LDPC coding and decoding method applied in incoherent ultra-wideband communication system

The invention discloses an LDPC coding and decoding method applied in an incoherent ultra-wideband communication system, and relates to the field of incoherent ultra-wideband (UWB) communication, in particular to the incoherent UWB communication system based on a transmitter reference pulse cluster (TRPC). According to the method, two kinds of LDPC code construction methods are used in the system, decoding is performed on an LDPC code by using a BP algorithm, and the prior probability needs to be obtained for the channel characteristics by adopting the BP algorithm. The method aims at the channel characteristics of the TRPC system, and the channel noise variance is solved by adopting a sampling value in the actual simulation. The simulation result shows that compared with a RS code, a system long convolution code and a non-system long convolution code which are used by the incoherent ultra-wideband communication system at present, the LDPC coding and decoding method can obtain better performance ...

Rubber door inhales

The utility model discloses a rubber door inhales, this door -inhale include both ends open -endeds circle cydariform box, the both ends opening part of circle cydariform box respectively the sealed circle cydariform box of fixed connection linking board I with link up board II, link up board I and go up fixed connection pillar I, the fixed connection sucker palletes upper cover is gone up to pillar I, the inside sucker palletes that is provided with of sucker palletes upper cover links up board II and goes up fixed connection pillar II, the little sucking disc upper cover of fixed connection is gone up to pillar II, little sucking disc upper cover is inside to be provided with little sucking disc. This rubber door inhales has great popularization and application to worth, this rubber door inhales simple structure, the contour machining is convenient, cheap, rubber door inhales use and the installation in, do not harm door plant and wall, and the mounting height can set for optional position ...

Water sample collection system

Water sample collection system. The utility model relates to a hydrology measuring equipment field, include shell subassembly, inside lining subassembly, pull subassembly and a pair of subassembly of opening and close, the utility model discloses during the use, the water sample of the appointed degree of depth will get into the kickboard below from bottom to top by the inlet opening, and the water sample draws and accomplishes the back, the retaining space of will form between kickboard, water storage barrel and balancing weight independently, sealing, make water sample collection system can't sneak into at last shallow water in vogue, have the position of collection accuracy and do not have the characteristics that the shallow water was sneaked into. And the pure mechanical structure of present case also has that the structure is exquisite, convenient to use and stable good characteristics under water. The utility model discloses consider still that the exhaust of appointed depth of water ...

Combined bearing of radial roller and axially thrust conical roller

The invention relates to a combined bearing of radial roller and axially thrust conical roller, comprising a static ring, an upper moveable ring and a lower moveable ring; the static ring is installed between the upper moveable ring and the lower moveable ring; a cylindrical roller is installed between the surface of the inner diameter of the static ring and the radial raceway surface of the lower moveable ring; a conical raceway surface I is installed on the circumference of the lower end face of the upper moveable ring; the lower moveable ring is provided with a step; a conical raceway surface II is installed on the circumference on the plane of the step; and a conical roller is installed in the axial raceway formed by the upper end face of the conical raceway surface I and the static ring and the lower end face of the conical raceway surface II and the static ring. The invention adopts special structure to realize the integrally combined axial cylinder/radial thrust conical combined ...

Method for realizing irrigation and fertilizer application integration

The invention relates to a method for realizing irrigation and fertilizer application integration. The problems of irrigation and fertilizer application integration are effectively solved. The invention adopts the technical scheme that the device comprises a centrifugal sand precipitator, a sand storage and fertilizer storage double-purpose tank and a water pipe, a perpendicular pipeline on the sand storage and fertilizer storage double-purpose tank is communicated with an outlet of the centrifugal sand precipitator through a butterfly valve, a water-in pipe is mounted in the side tangent line direction of the upper part of the centrifugal sand precipitator, an inlet of the centrifugal sand precipitator is communicated with a discharge pipe, a fertilizer liquid return pipe which is perpendicular downwards is arranged on the discharge pipe, a control valve is mounted on the fertilizer liquid return pipe, a lower outlet of the fertilizer liquid return pipe is communicated with the sand storage ...

Rubber door keeps off

The utility model discloses a rubber door keeps off, this door shield include by left riser, right riser, upper vertical plate and the deckle board constituteed of riser down, be provided with in the deckle board cushioning effect just with the highly the same component of deckle board, have the magnet piece on the left riser in the deckle board outside, it has a plurality of through -hole to open on the right riser. The utility model is used for between door and the wall, play the effect of fixed door, prevent that door and lock from running into the wall, simple structure, the contour machining is convenient, cheap, and the nontoxic tasteless coloured elastic rubber corrosion -resistant, high temperature resistant, ageing -resistant, that hardness is moderate is mainly chooseed for use to the material, and the machine -shaping process is simple, and so the aesthetic property is good, the practicality is stronger.

Glue taking waste argil as filler and softener

The invention discloses glue taking waste argil as a filler and softener, and belongs to the field of rubber. The glue is prepared from natural rubber or butadiene styrene rubber serving as a main raw material by steps of drying the waste argil serving as the filler and softener, mixing, plastifying crude rubber, mixing masterbatch, mixing the crude rubber and vulcanizing. The glue comprises the following raw materials in part by weight: 100 parts of natural rubber or butadiene styrene rubber, 2.5 to 5.5 parts of zinc oxide, 1.5 to 4.0 parts of stearic acid, 1.5 to 3.0 parts of sulfur, 0.8 to 1.2 parts of anti-aging agent D, 15 to 75 parts of waste argil, and 0.5 to 0.7 part of accelerator DM or 0.8 to 1.2 parts of accelerator CZ. The invention has the advantages that: the waste argil has low cost and can be used as the filler and softener, so the production cost of the glue is saved; waste and environmental pollution are reduced, the waste of the waste argil is reduced, and the environmental ...

IoT (Internet of Things) lamp energy-saving controller based on ZigBee technology

The invention discloses an IoT (Internet of Things) lamp energy-saving controller based on a ZigBee technology. The IoT lamp energy-saving controller is characterized by comprising an AC/DC (alternating current/direct current) power supply module connected with commercial power, wherein the AC/DC power supply module is respectively connected with a first DC/DC (direct current/ direct current) converting module, a second DC/DC converting module and a third DC/DC converting module, the first DC/DC converting module supplies electricity to a ZigBee module, the ZigBee module is in communication connection with an MCU (micro control unit) control module, the second DC/DC converting module supplies the electricity to the MCU control module, and the MCU control module is connected with a first signal output interface. The IoT lamp energy-saving controller based on the ZigBee technology provided by the invention has the advantages that the IoT lamp energy-saving controller can be regulated and ...

Anti-theft method and device for objects

The invention discloses an anti-theft method and device for objects. The device of the invention comprises an object information flag module, an object owner information flag module, a read-write module and a backend service module, wherein the object information flag module is connected with objects and used for storing the unique identification numbers of flagged objects; the object owner information flag module is connected with object owners and used for storing the unique identification numbers of the flagged object owners; the read-write module is used for transmitting signals to the object flag module and the object owner information flag module, receiving the unique identification numbers from the object flag module and the unique identification numbers from the object owner information flag module, and transmitting the received information; and the backend service module is connected with the read-write module and used for storing the corresponding relation between the objects ...

Hidden string of clothes hanger

The utility model discloses a hidden string of clothes hanger, including base, horizontal pole and clothes hanger lid, horizontal pole one end is passed through the tripe and is installed on the base, be equipped with a plurality of archs on the horizontal pole, the clothes hanger lid can move about for the base. The utility model discloses simple structure easily makes, and when not using, can pack up the horizontal pole, closes the clothes hanger lid, has practiced thrift the interior space and elegant appearance effectively. Additionally, the utility model discloses a polypropylene materials, easily colors at safety and sanitation, environmental protection, and the colour still can be adjusted according to customer's hobby, will the utility model discloses install indoor, played fine decorative effect to indoor.

Whole-process intelligent management system for cow feeding

The invention relates to the technical field of dairy cow feeding management, and discloses a dairy cow feeding whole-process intelligent management system comprising a data acquisition unit comprising an environment acquisition module, a cow information acquisition module, a feeding information acquisition module and a production performance acquisition module; the data input unit is used for inputting pasture management data through a plurality of management software; the data analyzing and processing unit is used for analyzing and processing the collected and recorded information, providing query and sending an operation instruction, so that a pasture manager can master specific conditions; the instruction output unit comprises an automatic grouping module, an environment control module and a precise feeding module; the early warning unit outputs early warning information according to a preset value; and the data report output unit is used for outputting a data report through big data ...

Hydrophilic two-component epoxy resin adhesive and preparation method thereof

The invention relates to a hydrophilic two-component epoxy resin adhesive and a preparation method thereof, the hydrophilic two-component epoxy resin adhesive is a mixture of a component A and a component B, and the mass ratio of the component A to the component B is 1: (0.9-1.1); wherein the component A comprises epoxy resin and polyether amine, and the mass ratio of the epoxy resin to the polyether amine is 1: (0.05-1); the component B comprises an amine curing agent and an accelerant, and the mass ratio of the amine curing agent to the accelerant is (10-20): 1; the preparation method comprises the following steps: preparing the component A, preparing the component B, mixing the component A and the component B according to the mass ratio of 1: (0.9-1.1), and fully stirring until the components are uniformly mixed, thereby completing the preparation of the hydrophilic two-component epoxy resin adhesive. According to the invention, the organic polymer polyether amine is utilized to carry ...

Battery pack low-temperature charging heating control method and device and related equipment

The invention discloses a battery pack low-temperature charging heating control method and device and related equipment. The method comprises the following steps: monitoring the working state of the battery pack, and when the working state is a gun insertion state, obtaining the current lowest temperature of the battery pack; determining a charging mode of the battery pack according to the current lowest temperature; when it is determined that the charging mode is a pure charging mode and it is determined that the environment temperature of the battery pack is smaller than a first temperature threshold value, refrigeration is controlled to be started or stopped according to the current state and the current highest temperature of the battery pack. According to the method, the charging time is shortened, and the thermal management energy consumption is reduced.

Rubber door inhales

The utility model discloses a rubber door inhales, include pillar I and pillar II, I one end fixed connection on the pillar prevents board I, the little sucking disc upper cover of I other end fixed connection on the pillar, and little sucking disc upper cover is inside to be provided with little sucking disc, and II one end fixed connection on the pillar prevent board II, II other end fixed connection sucker palletes upper covers on the pillar, sucker palletes upper cover inside is provided with sucker palletes, and prevention board I and prevention board are connected through deformation piece under warping piece and goat's horn type in the goat's horn type between II. This rubber door inhales simple structure, the contour machining is convenient, cheap, rubber door inhales use and the installation in, do not harm door plant and wall, and the mounting height can set for optional position between door plant and smooth wall, adopted corrosion -resistant, high temperature resistant, ageing ...

Distributed computing function supporting method for airborne embedded system

The embodiment of the invention provides a distributed computing function supporting method for an airborne embedded system, and belongs to the field of airborne embedded system software. For application software with a distributed computing requirement in an avionics system, a distributed computing cluster within a certain range is established based on an Actor model according to the specific requirement for the distributed computing capability, a master-slave architecture is adopted, and the use of a remote computing processing function is supported through distributed two-stage management and an asynchronous message passing mechanism for Actors. The purpose of distributed computing of application software is achieved.

A METHOD FOR IDENTIFYING MECONOPSIS QUINTUPLINERVIA REGEL FROM DIFFERENT GEOGRAPHICAL ORIGINS

Abstract The present invention provides a method for detecting a Tibetan medicine Meconopsis quintuplinervia Regel from different geographical origins. The medicine Meconopsis quintuplinervia Regel from various geographical origins can be simply, intuitively, quickly, effectively and accurately detected using the method, providing a scientific basis for the protection and rational development and utilization of resources in these geographical origins.

Mannose and application thereof

The invention relates to the technical field of gene engineering, in particular to a mannase gene derived from bacillus subtilis, and application thereof. According to the invention, the mannase gene of the bacillus subtilis is introduced into pichia pastoris to create pichia pastoris engineering bacteria expressing the gene through recombination; the pichia pastoris engineering bacteria can effectively express the mannase, and shaking bottle fermentation enzyme activity can reach 912 U/mL; the optimum action pH and the optimum action temperature for the recombined mannase is 4 and 58 DEG C. The mannase can be widely used in the field of feed additives.

Thin film tension roller of winding machine

The invention discloses a thin film tension roller of a winding machine. The thin film tension roller of the winding machine comprises a cylindrical limiting barrel, wherein a cylindrical hollow cartridge is arranged at the head part of the limiting barrel; a horn-shaped tension barrel is arranged at the tail part of the limiting barrel; a pair of first bayonets, a pair of second bayonets and a pair of round locking holes are formed in the side wall of the cartridge. According to the thin film tension roller of the winding machine disclosed by the invention, with adoption of the horn-shaped tension barrel at the tail part and the cartridge at the head part, a user can directly clamp the whole roller to a rotating shaft of a stepping motor, and precisely controls the tension of the tension barrel to a thin film by precisely controlling speed of the rotating shaft, so as to achieve an appropriate stretching effect, and greatly improve firmness of the thin film to package goods. The thin film ...

Limiting device and limiting method for preventing drunk driving or fatigue driving

The invention discloses a limiting device and a limiting method for preventing drunk driving or fatigue driving. On the premises that the heart rate of a normal person is 60-100 beats/minute, the heart rate of the person rises after drinking, fatigue driving belongs to psychological fatigue, and the heart rate falls when the person is in the psychological fatigue condition, a plurality of green LED light-emitting modules and a plurality of phototransistor light intercepting modules are arranged on parts (such as the three o'clock position and the nine o'clock position), in contact with fingers or palms, on a steering wheel, according to the characteristic that hemoglobin in blood can absorb green wavelengths easily, LEDs are utilized to illuminate the fingers or the palms, the heart rate can be measured by means of measuring heart rate cycles according to changes of reflected light, and the heart rate of a driver can be measured at regular intervals. The limiting device and the limiting ...

Ocean sulfated glycosaminoglycan SE-3 and preparation method thereof

The invention relates to ocean sulfated glycosaminoglycan SE-3. A monosaccharide constituent of the ocean sulfated glycosaminoglycan SE-3 contains mannose, glucosamine, glucuronic acid, acetyl galactose, galactose and fucose in a mass ratio of 1:1.5:0.92:3:1.8:2; the molecular weight of the ocean sulfated glycosaminoglycan SE-3 is 10 kDa to16 kDa; content of a sulfuric acid group is 10%-14%. The invention further provides a corresponding extracting method. Compared with the prior art, the ocean sulfated glycosaminoglycan SE-3 has the advantages of being simpler in extracting and purifying process, good in extracting purity, easy to operate, capable of increasing spleen index, remarkable in hematopoietic function activity, safe and non-toxic, and having inhibiting effect on adverse reaction.

Colored arrow point can throw light on and hang clothes hanger

The utility model discloses a colored arrow point can throw light on and hang clothes hanger, including arrow point type mounting and peg (7), two parts about arrow point type mounting divide into, top is big arrow point profile board (1), and the lower part divide into little arrow point type mounting panel (2), the arrow tail of little arrow point type mounting panel (2) is longer than the arrow tail of big arrow point profile board (1), the lower surface one end of peg (7) is provided with boss (3), and arrow point type mounting is connected with boss (3), and the lower surface other end of peg (7) is provided with separator (4), colored arrow point can throw light on and hang clothes hanger still includes lighting device, and this lighting device includes bulb (5), switch knob (6). Use this string of clothes hanger not only can hang the clothes, not the time spent can pack up, reduce space occupancy, lighting device is equipped with in addition on it, can adjust luminance according ...

Engineered strain for recombining and expressing endoglucanase

The invention relates to the technical field of gene engineering, and specifically relates to a pichia yeast engineered strain capable of recombining and expressing endoglucanase and constructed by transforming endoglucanase coming from penicillum decumbens into pichia yeast. The pichia yeast engineered strain is capable of efficiently expressing the endoglucanase gene, the shaking fermentation enzyme activity can reach 1200 U/mL, the best pH of the produced endoglucanase is 5.0, the best temperature is 50 DEG C, enzyme activity is stable when pH is in the scope of 4.0-7.0, and the expressed endoglucanase is widely applicable to weaving processing technological field.

Suspended clamping ring

The invention discloses a suspended clamping ring. The suspended clamping ring comprises a hanging rod made of metal, wherein the hanging rod is connected with a fixing rod made of rubber; an insertion hole is formed in one end of the fixing rod; the hanging rod is sleeved with the insertion hole; a fork end is arranged at the other end of the fixing rod; a clamping groove is formed in the fork end; the clamping groove is U-shaped; a ring body is arranged inside the clamping groove; a plurality of first clamping bulges are arranged on the inner wall of the ring body; the first clamping bulges and the ring body form an integral structure; the first clamping bulges are parallel to the axial direction of the ring body; the first clamping bulges are arranged at equal intervals; a plurality of second clamping bulges are arranged on the outer surface of the ring body; the second clamping bulges and the ring body form an integral structure; the second clamping bulges are parallel to the axial ...

Auxiliary assembly clamp for sofa metal connecting pieces

The invention discloses an auxiliary assembly clamp for sofa metal connecting pieces. The clamp comprises a strip clamping arm, wherein a detachable clamping rod is arranged at the head of the clamping arm; a pair of clamping pieces is arranged on the clamping rod; the clamping pieces are respectively arranged on the upper and lower sides of the clamping arm; a locking nut is arranged at the top of the clamping rod; a circular truncated cone shaped clamping head is arranged at the bottom of the clamping rod. The clamp adopts a strip adjusting slot hole penetrating through the clamping arm, a user can easily adjust the position of the clamping rod and fix the clamping rod through the clamping pieces, the clamp is simple and convenient and has wide applicability, and the user can casually or momentarily change the fixed point of the clamp at any moment during assembly, so that the clamp greatly facilitates the assembly operation of workers and has high practicability.

Clamp is prevented scalding by simple and easy silica gel

The utility model discloses a clamp is prevented scalding by simple and easy silica gel belongs to life technical field. Clamp is prevented scalding by simple and easy silica gel includes film I, film II and flexible connectors, film I II even as an organic whole through flexible connectors and film, under the non - user state, film I, film II and flexible connectors pave naturally and are flat structure, the flexible connectors center in inlay magnet, film I have breakpoint non -slip texture with II internal surfaces on the film. The utility model discloses simple structure, magnet is inlayed in easily preparation in preventing scalding the clamp, and adsorbable occupation space is few on metal material such as refrigerator, cupboard surface, is convenient for keep and uses.

High-concentration chemical sewage anaerobic treatment process and treatment equipment thereof

The invention discloses anaerobic treatment equipment for high-concentration chemical sewage, which belongs to the technical field of chemical sewage treatment and comprises a shell, a top cover positioned at the top of the shell, a first motor mounted at the top of the top cover and a second motor mounted at the bottom of the shell. A through hole is formed in the center of the second circular plate, an output shaft of the second motor penetrates through the first circular hole of the shell and is coaxially connected with a threaded rod, and the threaded rod penetrates through the through hole of the second circular plate and is rotationally connected to a limiting sleeve at the bottom of the first circular plate. According to the anaerobic treatment equipment for the high-concentration chemical sewage, in the stirring process of the four stirring rods, the four stirring rods are driven by the threaded rods to move in the direction of the center of the rotating shaft, so that shaking caused ...

Injecting device

The invention discloses an injecting device. The injecting device comprises a spraying head, a spraying pipe, a valve core and an elastic component, wherein a valve base is arranged on the inner wall of a spraying head cavity; the front end of the spraying pipe is communicated with the rear end of the spraying head and is connected with the rear end of the spraying head in a sealing way; the valve core is moved forwards or backwards in the spraying head cavity and the spraying pipe to be matched with or depart from the valve base; the front end of a valve core body is matched with an inclination part of the valve base; the valve core body is provided with a passage parallel to an axial line of the valve core body; the elastic component can apply a force enabling the valve core to move towards the valve base and to be matched with the valve base; a trigger can apply a force enabling the valve core to be departed from the valve base. Due to the fact that the valve core is provided with the ...

Funnel type electrode heating rotary barrel

The invention discloses a funnel type electrode heating rotary barrel which comprises a barrel body made of metal materials. The cross section of the barrel body is in an isosceles trapezoid shape, the longitudinal section of the barrel body is in an isosceles trapezoid shape, a storage groove is formed in the barrel body, the four side walls of the barrel body incline inwards, a plurality of fixing columns are arranged on the barrel body, a rotating inserting column is arranged in the barrel body, an inserting hole is formed in the axial center of the rotating inserting column, a slot is formed in the side wall of the bottom of the rotating inserting column and communicated with the inserting hole, and the barrel body, the fixing columns and the rotating column are of an integrated structure. A plurality of heating electrodes are arranged at the bottom of the barrel body and are arranged at equal intervals, a groove is formed in the top edge of the barrel body, and the heating electrodes ...

MOF-based porous liquid and preparation method thereof

The invention relates to an MOF (Metal Organic Framework)-based porous liquid and a preparation method thereof, and the MOF-based porous liquid is mainly prepared from the following components in percentage by mass: 50%-90% of ionic liquid and 50%-10% of UIO-66-NH2 nanoparticles; the method specifically comprises the following steps: dissolving zirconium tetrachloride, 2-aminoterephthalic acid and acetic acid in N, N-dimethylformamide, adding water, reacting under a heating condition, carrying out centrifugal washing and purification, carrying out vacuum drying, preparing UIO-66-NH2 nanoparticles, and preparing a UIO-66-NH2 acetone solution by using the UIO-66-NH2 nanoparticles; the preparation method comprises the following steps: preparing an acetone solution of UIO-66-PL by using an acetone solution of UIO-66-NH2 and an ionic liquid [HEMIM] [DCA], and preparing an MOF-based porous liquid by using the acetone solution of UIO-66-PL; according to the invention, the porous material UIO-66 ...

Preparation Method of Graphene/Polycarbonate Composite Material

The invention relates to a preparation method of the graphene/polycarbonate composite material, which comprises the following steps: step 1, preparing grafted graphene; step 2, mixing 1-30 parts of the grafted graphene obtained in the step 1 with 100 parts of polycarbonate; step 3, melting and blending the mixture obtained in the step 2 at 230-250 °C; and step 4, cooling the molten blend obtained in the step 3 to obtain the graphene/polycarbonate composite material. The preparation method is simple to operate, can improve the dispersion effect of the graphene in the polycarbonate, and is beneficial to production control and environmental protection. -1/1 4000 3500 3000 2500 2000 1500 1000 500 Wave number/cm Figure 1 ...

Radar transmitting cabin capable of rapid heating

The invention relates to a radar transmitting cabin capable of rapid heating. The radar transmitting cabin comprises a shelter body which is provided with a cabin door. The cabin door is provided with two outer ventilation doors. Two rectangular electronic cabinet groups are disposed side by side inside the cabin body. The top and bottom of each electronic cabinet group are respectively provided with a heat radiation air-duct which is communicated with the electronic cabinet group. Same ends of the two heat radiation air-ducts are respectively connected with a centrifugal fan. Upper and lower centrifugal fans are communicated with each other through a heating air-duct, inside which at least a heater is arranged. Junctions between the heating air-duct and the two centrifugal fans are respectively provided with an inner air door. During heating, the heat radiation air-ducts and the centrifugal fans are fully utilized, and heated air flows circularly in the ducts to rapidly heat devices in ...

Treatment for wastewater in para-nitraniline production and method for resource recovery and use

The invention discloses a method for nitroaniline wastewater treatment and recycling, comprising a plurality of steps: cool p-nitroaniline mother liquor wastewater and crystals are allowed to be separated out; filter the wastewater after crystal precipitation and remove the free ammonia in the filtrate; filter the effluent ever treated at the procedure B and change PH value to acidity or weak alkalinity; use the viscose-based active carbon fiber made by phosphate-impregnated high-temperature steam activation to absorb the p-nitroaniline wherein; evaporate and concentrate the absorbed water; precipitate crystal and filter out ammonium chloride crystal. The active carbon fiber has large absorption capacity and fast absorption speed for p-nitroaniline and can be utilize repeatedly, which makes the recovery rate of p-nitroaniline near 100%. The method has the advantages that the method can fully recover p-nitroaniline and free ammonia in the p-nitroaniline wastewater and the byproduct of ammonium ...

Method for forecasting residential quarter short-term loads

The invention discloses a method for forecasting residential quarter short-term loads. The method is characterized by including the steps of (1) reading history sample data, and carrying out data screening on the history sample data, (2) obtaining a load influence factor coefficient set, (3) constructing a training sample set for neural network load forecasting and a forecasting sample set for neural network load forecasting, (4) carrying out influence factor separating processing on the training sample set to obtain a trained neural network, (5) also carrying out influence factor separating processing on the forecasting sample set, enabling the result obtained after processing to serve as input of the trained neural network, and obtaining the corresponding output result, and (6) carrying out influence factor adding processing on the output result to obtain load forecasting data of a week in the future. According to the method, the problems that the residential quarter loads are fewer in ...

Multi -functional paper type drinking cup

The utility model provides a center department sets up one circular port (13) that multi -functional paper type drinking cup is equipped with tea on the positive surface of cup (1) and separates mouthful (12), separates mouthful (12) at tea circular port (13) are interior thread type, tea is equipped with a plurality of and crosses filtration pore (5) on (4), it has draw -in groove (6) to open at a distance from the opening part of (4) at tea, the surface of big bowl cover (7) comprises three concentric, the different cylinder of diameter, is little round platform (8), well round platform (9), round platform (10) greatly respectively a diameter of little round platform (8) imbeds two buckle (11) outward, buckle and draw -in groove (6) cooperation use, be equipped with the external screw thread on well round platform (9), it separates the circular port threaded connection in the mouth with tea. The utility model discloses a paper type drinking cup that polypropylene materials made, it is ...

Image editing system based on task-based dialogue

The invention relates to the technical field of image processing, and provides an image editing system based on task-based dialogues, comprising a dialogue understanding module used for obtaining a dialogue state according to an input dialogue text, the dialogue state comprising an attribute to be edited by a user and an editing degree; the image editing module is used for receiving the user input image and the dialogue state, editing the user input image according to the dialogue state and outputting the edited image; the system reply module is used for outputting system reply information; the dialogue understanding module comprises N encoders, N decoders, a first linear layer and a Softmax function which are connected in sequence, and the output of each decoder is provided with an adapter. According to the technical scheme, the problems that historical editing information is forgotten, user demand understanding is deviated, and system interaction is inaccurate and inflexible during continuous ...

Alkaline lipase production bacterial strain and application

The invention relates to an alkaline lipase production bacterial strain and application. Pichia yeast engineering bacteria constructed in the invention is capable of efficiently expressing an alkaline lipase gene coming from penicillium cyclopium, and the flask fermentation enzyme activity can reach 1630 U/mL. The best optimum pH of the recombination alkaline lipase is 8.5, and the optimum temperature of the recombination alkaline lipase is 35 DEG C. A washing-agent composition containing the alkaline lipase is strong in detergency and small in pollution to environment, and has extremely high popularization and application value.

Smash special accessory of stove

The utility model discloses a smash special accessory of stove, including smashing stove support assembly, smashing stove pole assembly and lift cylinder assembly, smash stove support assembly go up the fulcrum through first mounting and fork truck for the automobile body bolt link to each other, lower fulcrum passes through the second mounting to be fixed in fork truck transaxle department, the lift cylinder assembly passes through fork truck hydraulic system and operating handle control action to stove pole assembly up -and -down motion is smash in the drive. The utility model discloses go up the innovative design on the basis of the professional furnace charge stirrer of tradition, with fork truck's flexibility of operation with have smash the stove function the accessory organic connections together, realization low cost, high efficiency, high reliability and convenient maintenance.

Small current neutral grounding route selection tripping operation recloses device

The utility model provides a small current neutral grounding route selection tripping operation recloses device, contains central processing module, signal conditioning module, multichannel analog switch, analog -to -digital conversion module, power module, man -machine module and switching value drive module. Switching value drive module contains tripping operation optoelectronic coupler, combined floodgate optoelectronic coupler and interlock control submodule piece. Central processing module accessible switch drive module realizes fast that fault line tripping operation and non - fault line reclose, the output state of dynamic monitoring tripping operation / combined floodgate control simultaneously. This device has characteristics such as the interference killing feature is strong, the reliability is high, stable performance, modularization integrated level height, and installation and debugging simultaneously are simple and convenient, is fit for the newly -built station and uses, ...

Rubber door inhales

The utility model discloses a rubber door inhales, this door -inhale includes pillar I and pillar II, I 1 terminal surface fixed connection side scapuss on the pillar, last the opening of fang tizhu has two to go up wide narrow through -hole down, slot department at the through -hole is provided with the stopper head, the stopper head is the different cylinder of two diameters and lower part by upper portion and is the hemisphere and constitutes, the stopper head the whole T that is appear, in the through -hole, be provided with elastomeric element on the stopper head, kuan kouchu at the through -hole is provided with the jackscrew, I another terminal surface fixed connection sucking disc upper cover I on the pillar, be provided with sucking disc I in the sucking disc upper cover I, pillar II comprises cylinder and semicolumn, and pillar II is whole to be L shape, opens to have on the plane of semicolumn to link up the hole with the stopper head assorted when the laminating of the plane ...

''Earthworm-hydrophyte-anaerobic microorganism'' combined technique for treating organic waste water

The invention discloses a process of 'earthworm-water plant-anaerobic microorganism' combined treatment for organic wastewater. The process comprises that wastewater treated by solid-liquid separation enters an earthworm ecological filter chamber to deprive COD, N and P included in the wastewater, yielding water enters a water plant pool or an artificial wetland for further purification, and then reaches the standard and is discharged. Solid sediment separated from a settling chamber, water plant produced by the water plant pool or the artificial wetland, straws and the like are transferred together into an anaerobic biogas reactor for mixing fermentation, output biogas is utilized as energy resource, and discharged refuse is utilized as fertilizer. The invention utilizes the joint action of the three creatures to strengthen the waste-water purification, and simultaneously produce bioenergy and fertilizer. The invention has multiple functions of improving environmental quality, gaining ...

Portable mobile phone support

The utility model discloses a portable mobile phone support, including the cell phone stand body, the cell phone stand body comprises bottom plate (1), four sides leg (3), bottom plate (1) and four sides leg (3) structure as an organic whole, bottom plate (1) goes up to open has recess (4) of arranging side by side, the support is still including setting up in elasticity protective layer (2) on support bottom plate (1) upper portion, the bottom surface of these elasticity protective layer (2) have with bottom plate (1) on recess (4) corresponding arch (5), the symmetry is equipped with breach (6) on two vertical lateral walls of four sides leg (3), and its width is 1 -2cm, and the zigzag is set to this breach (6) periphery. Use this portable mobile phone support not only can fix the cell -phone in a certain position, the person of facilitating the use watches the video, and the form of cell -phone protective sheath is made to this support simultaneously, and support bottom surface formation ...

Bone type rotating arm

The invention discloses a bone type rotating arm. The bone type rotating arm comprises an arm handle made of a metal material, wherein a rotating hole is formed in the side wall of one end of the arm handle, a first clamping groove is formed in the outwards facing surface of the other end of the arm handle, the first clamping groove is semi-circular, the end part of the arm handle is connected with a buckling cap, a second clamping groove is formed in the inwards facing surface of the buckling cap, the second clamping groove is semi-circular, a round shape is formed after the first clamping groove is butted with the second clamping groove, a first insertion opening and a positioning groove are formed in the two ends of the first clamping groove, a second insertion opening and a positioning block are arranged in the two ends of the second clamping groove, the positioning block is arranged in the positioning groove, the first insertion opening is butted with the second socket, a fixing pin ...

Indoor simulated sunlight color lighting device

The invention discloses an indoor simulated sunlight color lighting device which comprises a sunlight color temperature acquisition module, a control module, a transmission module and an adjustable color temperature lamp. The signal collected by the sunlight color temperature acquisition module is transmitted to the control module through the transmission module. The adjustable color temperature lamp is electrically connected with the output end of the control module. Through the collection of the light temperature of sunlight by the sunlight color temperature acquisition module, the control module adjusts the lamp according to the collected color temperature data, thus the color temperature of indoor lamp light and the color temperature of outdoor sunlight are consistent, and due to the low price of the chips for realizing the sunlight color temperature acquisition module and the control module are cheap and the controllability of an LED solid light source, the purpose of the adjustable ...

Bearing unit for testing and controlling angular displacement of revolving platform

The invention provides a bearing unit for testing and controlling the angular displacement of a revolving platform, which mainly consists of a work bedplate, a supporting seat, a bearing body arranged therebetween, a control system, a driving device and an angular displacement testing device, wherein the bearing body is formed by a moving coil, a static coil and a rolling body; and the angular displacement testing device is formed by a magnetic grid ruler and a sensor. The bearing unit has flexible and convenient installation, combines with the real-time test of a high-precision bearing, feeds an angular displacement signal back to a controlling system, and achieves the aim of closed-loop control. The work bedplate is driven by the driving device, a signal output end of the controlling system inputs the driving device, the angular displacement testing device immediately tests the angular displacement and inputs the signal to the controlling system when the work bedplate is rotated, and ...

Pipeline connecting base

The invention discloses a pipeline connecting base. The pipeline connecting base comprises a bottom plate made of a metal material, wherein clamping grooves are formed in the two sides of the bottom plate, a support plate made of a metal material is arranged on the bottom plate, a mounting hole is formed in the middle of the side wall of the support plate and horizontally arranged, an open slot is formed in the middle of the end part of the support plate, grooves are formed in the two sides of the end part of the support plate, insertion openings are formed in the two sides of the open slot, one ends of the insertion openings are communicated with the open slot, the other ends of the sockets are communicated with the grooves, annular grooves are formed in the end part of the support plate and arranged on the two sides of the open slot, insertion openings are formed in the end part of the support plate and distributed on the two sides of the annular grooves, and internal threads are arranged ...

Processing device and processing method of semiconductor device

The invention provides a processing device and method of a semiconductor device. The processing device of the semiconductor device comprises a wafer tray, an ejector pin, an ejector pin supporting plate, a shadow ring and an edge ring, the bearing surface of the wafer tray is provided with an ejector pin via hole, the ejector pin is located below the wafer tray, the upper end of the ejector pin extends towards the upper portion of the wafer tray through the ejector pin via hole, and the ejector pin supporting plate is located below the wafer tray and used for supporting the lower end of the ejector pin. The ejector pin passes through the ejector pin through holes to control the ejector pin to move up and down in the ejector pin through holes, the shadow ring is located above the wafer tray, the edge ring is located between the wafer tray and the shadow ring, a plurality of supporting rod through holes are formed in the edge of the ejector pin supporting plate, the shadow ring is connected ...

Rubber sealing gasket with high-compression and low-temperature properties as well as preparation method and application of rubber sealing gasket

The invention belongs to the technical field of polymer rubber composite materials, and particularly relates to a rubber sealing gasket with high compression and low temperature properties and a preparation method and application thereof. The rubber sealing gasket is prepared from the following raw materials in parts by mass: 100 parts of hydrogenated nitrile rubber; 12.3 to 13.7 parts of a processing aid; 45 to 65 parts of reinforcing filler; 4.8 to 5.2 parts of a vulcanizing agent; and 4.8-5.2 parts of an assistant cross-linking agent. The prepared rubber sealing gasket has high compression performance and low-temperature performance, meets the performance of the rubber sealing gasket for the automobile air-conditioning system, and can be applied to sealing elements of the automobile air-conditioning system.

Household automatic window opening system

The invention belongs to the field of window opening machines, and particularly relates to a household automatic window opening system. The household automatic window opening system comprises a CO/CO2 infrared detector, a methane detector, a formaldehyde detector, a smoke sensor, a wind, light and rain sensor, a window opening device, an acousto-optic alarm, a solar electric power storage panel, a linkage control device and a power device. The CO/CO2 infrared detector, the methane detector, the formaldehyde detector, the smoke sensor, the wind, light and rain sensor and the acousto-optic alarm are all connected with the linkage control device and transmit signals, the wind opening device is connected with the power device, the power device is connected with the linkage control device and the solar electric power storage panel is connected with the linkage control device and the power device and provides electric power. The household automatic window opening machine has the advantages that ...

Active filter based on three level are directly handed over - reversal parallel operation

Active filter based on three level are directly handed over - reversal parallel operation. Relate to the active power filter device. Topological structure is simple, does not need large capacity direct current energy storage device. Include that three groups are the looks compensating circuit that the Y type is connected, these looks compensating circuit includes filter inductor, floating capacitance and eight power switch pipes of taking the reverse parallel connection diode. The beneficial effects of the utility model are that need not to use the large capacity direct current energy storage device among traditional three level active filter topological structure, greatly reduced the cost, also reduced the device volume, longer film capacitor of life -span is select to the floating capacitance, has improved the reliability of device, has also reduced the maintenance cost of device, novel topological structure compares in traditional three level active filter's topological structure simplyr ...

Automatic abdicating device of nylon braiding machine

The invention discloses an automatic abdicating device of a nylon braiding machine. The automatic abdicating device of the nylon braiding machine comprises an abdicating plate and an abdicating push barrel, wherein the abdicating plate comprises an annular main abdicating body; a pair of first limiting bulges is arranged on the upper surface of the main abdicating body; the abdicating push barrel comprises a cylindrically main barrel push body; a drive connecting rod is arranged on the outer lateral wall of the main push barrel body; a pair of dowel pins is arranged on the inner lateral wall of the main push barrel body; the dowel pins are matched with the first limiting bulges. The automatic abdicating device of the nylon braiding machine disclosed by the invention can effectively limit the rotation range of the abdicating push barrel by utilizing a pair of dowel pins on the inner lateral wall of the main push barrel body and a pair of first limiting bulges on the main abdicating body, ...

Concentric circle type filter cap

The invention discloses a concentric circle type filter cap. The concentric circle type filter cap comprises a cap body, wherein a cap brim is arranged on the outward surface of the top edge of the cap body; each of the cross section and the longitudinal section of the cap brim is in an isosceles trapezoid shape; the cap brim and the cap body are of an integrated structure; a through groove is formed in the axial center of the cap body; a filter hole is formed in the middle of the cap brim and is communicated with the through groove; a groove is formed in the side wall of the cap body; a drainage hole is formed in the groove and is communicated with the through groove; a plurality of filter grooves are formed in the cap brim; the cross section of each filter groove is triangular; the filter grooves are concentric to the filter hole. According to the concentric circle type filter cap, the filter area is greatly increased, the filter effect is greatly improved, and the filter quality is good ...

Air valve limit device of granulator

The invention discloses an air valve limit device of a granulator. The air valve limit device of the granulator comprises a fixed seat, wherein the fixed seat comprises a Z-shaped seat body, round cake-shaped shaft body is arranged on the seat body, a valve shaft of an air valve used for controlling a valve plate of the air valve is arranged in the shaft body, a circular limit support is arranged at the top of the valve shaft of the air valve, a detachable limit bracket is arranged on the edge of the base body, and a detachable limit cross rod is arranged on the limit bracket. The air valve limit device of the granulator disclosed by the invention utilizes a limit protruding piece on the edge of the limit support and the limit cross rod on the limit bracket to effectively limit rotation of the valve shaft of the air valve so as to prevent accidental rotation of a valve of the air valve, and is simple in structure, convenient to transform and strong in practicality.

Padding material for livestock and poultry breeding

The invention discloses a padding material for livestock and poultry breeding. As bacillus subtilis and bacillus alcalophilus are added and combined with components of a traditional padding material, the replacement period of the padding material can be prolonged greatly, and the occurrence rate of diseases to bred animals can be effectively decreased; therefore the use amount of antibiotics is decreased, and the cost is reduced greatly.

Pair of polypeptides, and encoding gene and application thereof

The invention discloses a pair of polypeptides, and an encoding gene and an application thereof. The pair of polypeptides consists of first and second polypeptides, wherein the first polypeptide consists of 16 TAL (transcription activator-like) nucleic acid identification units, and each TAL nucleic acid identification unit comprises a double amino acid; and the second polypeptide consists of 17 TAL nucleic acid identification units, and each TAL nucleic acid identification unit comprises a double amino acid. According to the pair of polypeptides, and the encoding gene and application thereof, a porcine A20 gene can be accurately knocked out or modified at the cellular or individual level to resolve effects of the porcine A20 gene, construct a porcine A20 gene mutation database or obtain related disease models to serve the breeding of pigs and the researches and development of medicaments.

Cell chromosome analysis method

The invention relates to a cell chromosome analysis method, in particular to a method for analyzing whether the chromosome quantity of amniotic fluid cells is different from that of standard cells by a sequencing method.

Xylanase recombination strain and application thereof

The invention relates to the technical field of microbe engineering. An aspergillus niger engineering bacteria for recombination expression of xylanase gene is constructed by introducing the xylanase gene of aspergillus niveus to aspergillus niger. The aspergillus niger engineering bacteria is capable of efficiently expressing xylanase, and the flask fermenting enzyme activity is 1100 U/mL. The optimum pH of xylanase subjected to recombination expression is 5.5, and the optimum temperature is 60 DEG C; and the xylanase subjected to recombination expression is widely applicable to forage field, and is capable of substantially improving the productivity of bred animals and increasing the economic income of farmers.

False transaction order detection method and device

The invention provides a bogus transaction order detection method and device, a storage medium and electronic equipment. Relates to the technical field of artificial intelligence. The method comprises the steps of obtaining to-be-detected order line data, and obtaining historical order line data corresponding to each key field of an order based on a specified key field of the to-be-detected order line data; extracting feature data of the to-be-detected order line data and the historical order line data; and processing the extracted to-be-detected order feature data and the extracted historical order feature data through a trained order detection model to obtain a detection result of the to-be-detected order line data, the detection result including a bogus transaction and a real transaction. According to the invention, the problems of low detection accuracy and long time consumption of model training for bogus transaction orders in different business scenes in the prior art can be solved ...

Rubber door inhales

The utility model discloses a rubber door inhales, this door -inhale include cylindrical pillar, fixed connection sucker palletes upper cover on the pillar bottom surface, and the sucker palletes upper cover is inside to be provided with sucker palletes, the little sucking disc upper cover of fixed connection on another bottom surface of pillar, little sucking disc upper cover inside is provided with little sucking disc, sets up the hole that a plurality of is used for hanging U type couple on the pillar side. This rubber door inhales simple structure, the contour machining is convenient, cheap, rubber door inhales use and the installation in, do not harm door plant and wall, and the mounting height can set for optional position between door plant and smooth wall, adopted corrosion -resistant, high temperature resistant, ageing -resistant rubber, plastics material, the pollutant can with the quick clearance of corresponding solvents with disinfect and can hang like things such as apron, ...

Rubber door inhales

The utility model discloses a rubber door inhales, this door -inhale is including the principal post I and principal post II that are the L type, principal post I is connected through linking portion to principal post II, each division has two corresponding blind holes on the horizontal plane of principal post I and II right -hand member linkings department of principal post, the single line spring has been placed in per two blind holes, right -hand member face linking department of principal post I and principal post II respectively set up two corresponding and with half communicating circular pore of blind hole, fixed connection suction cup support I on the left end face of principal post I, I fixed connection sucking disc upper cover I of suction cup support, be provided with sucking disc I in the sucking disc upper cover I, two fixed connection and circular linking hole assorted bulb card post on the III left end faces of principal post, fixed connection suction cup support II on the ...

High-load capillary infiltration trench system for treating domestic wastewater

The invention discloses a capillary infiltration ditch system for treating the domestic sewage, consisting of a surface soil layer, a sand-soil layer, an artificial soil layer and a water-guiding layer from the top to bottom in sequence; wherein, plants are planted on the surface soil layer, wherein, the soil layer of the surface is planted with the plants; in the surface soil layer and the artificial soil layer, a surface water distribution pipe and an inner water distribution pipe are respectively provided with surface cloth tube and deep cloth tube communicated with a hydrolysis acidification unit or a septic tank; the periphery of the water distribution pipe is the green pebble encapsulated with an earthwork cloth; the water-guiding layer is provided with a water-discharging pipe communicated with the water-discharging pool and an air-drawing duct for naturally forcing the ventilation with an air-drawing principle. With higher water-force load, the invention has a higher removal efficiency ...

Comprehensive resources treatment method of waste circuit board

Monodispersed mesoporous silica nanoparticles and synthetic method thereof

The invention relates to the field of inorganic materials, in particular relates to monodispersed mesoporous silica nanoparticles and a synthetic method thereof, and aims to solve the problem of low yield of the existing method for preparing the mesoporous silica nanoparticles and the problems of difficult separation and poor monodispersity due to low yield and high solvent amount. The monodispersed mesoporous silica nanoparticles are prepared from a silicon source, a template, an ammonium compound, an expanding agent, a surface modifier and water. The synthetic method comprises the following steps of: adding the template and the ammonium compound to the water phase to obtain a settled solution, then adding the expanding agent, the surface modifier and the silicon source, crystallizing under a reflux condition, then centrifugally separating and drying, and finally, roasting or extracting by using an acidic ethanol solution to obtain the monodispersed mesoporous silica nanoparticles. The ...

But colour mark key ring

The utility model provides a but colour mark key ring, it includes key ring base member A, key ring base member B, impeller, spring I and spring II, key ring base member A on be equipped with spring groove I, the spring groove II, label storage tank, plug -in card mouth, slide I and slide II, spring I and spring II place respectively the spring say I with spring groove II in, label storage tank and plug -in card mouth be linked to be one wholly mutually, the plug -in card mouth be located key ring base member A one end, key ring base member A and key ring base member B be linked to be the key ring base member mutually, utilize the plug -in card mouth can place the tag paper, realize to change the tag paper through the impeller, the utility model discloses simple structure, convenient to use.

Wearable monitoring system, wearable device and storage medium

The invention relates to a wearable monitoring system, a wearable device and a storage medium. The wearable monitoring system at least comprises a detection unit, a processing unit and a mobile terminal. The detection unit at least comprises a first detection module used for collecting a first physiological signal of a patient and a second detection module used for collecting a second physiological signal of the patient. The processing unit determines physiological information of the patient based on the first physiological signal and the second physiological signal of the patient, and transmits the physiological information of the patient to the mobile terminal. According to the wearable monitoring system provided by the invention, medical personnel can check the physiological information of the patient through the mobile terminal. The mobile terminal can be a tablet personal computer or a display screen arranged beside a sickbed of the patient, and can also be an intelligent terminal ...

Convex sealing strip packaging cylinder

The invention discloses a convex sealing strip packaging cylinder. The convex sealing strip packaging cylinder comprises a cylinder body, wherein a back cover is arranged at the back end of the cylinder body; the back cover is provided with a first buckle piece; an open groove is formed in the back cover; the back cover is provided with a first positioning surface; a plurality of first inserting holes are formed in the back cover; a front cover is arranged at the front end of the cylinder body; an observation hole is formed in the front cover; second positioning surfaces are arranged on two sides of the front cover; the front cover is provided with a second buckle piece; a plurality of second inserting holes are formed in the front cover; a plurality of through holes are formed in the cylinder body; the first inserting holes, the through holes and the second inserting holes are communicated; a through groove is formed in the cylinder body; the cross section of the through groove is convex ...

Wireless sensor network virtual MIMO communication strategy based on cooperative groups

A wireless sensor network virtual MIMO communication strategy based on cooperative groups is called as group collaboration MIMO (GCMIMO). A method similar to the CMIMO is adopted to carrying out clustering on a network for the GCMIMO, and each cluster is managed by two cluster heads, namely a main cluster head and a secondary cluster head. The main cluster heads are used for dividing information source nodes in the corresponding clusters into a plurality of cooperative groups, each cooperative group is composed of two adjacent information nodes, is equivalent to a virtual double-antenna sending end and is used for sending information source data of the cooperative groups, the secondary cluster heads and the main cluster heads are considered as one cooperation group which is called as a main cooperative group and used for receiving and forwarding the data of other cooperative groups, and therefore multi-hop virtual MIMO transmission is achieved. Different from an existing virtual MIMO communication ...

High-channel nucleic acid extraction and purification device

The invention provides a high-channel nucleic acid extraction and purification device which comprises a multi-connected pipe assembly and a multi-connected pipe cap, wherein the multi-connected pipe assembly is covered with the multi-connected pipe cap and comprises a square or round support plate, a plurality of round holes are formed in the support plate, pipe supporting ribs are arranged on the periphery of the support plate in the downwards extending directions of the round holes, single pipes are inserted into the round holes and can be fixed and supported by the pipe supporting ribs, pipe bottom nipples are arranged at the bottom of the single pipes, and a corresponding number of multi-connected pipe cap nipples corresponding to the positions of the single pipes of the multi-connected pipe assembly are arranged on the multi-connected pipe cap and embedded into multi-connected pipe ports. The high-channel nucleic acid extraction and purification device has the benefits as follows: ...

Flexible electronic skin and robot

The invention discloses a flexible electronic skin and a robot. The electronic skin comprises a flexible substrate, a pressure sensing layer, an insulating layer, a thin film thermopile, a second heat insulating layer, a flexible circuit layer, an electroactive polymerization sleeve and a packaging layer. The flexible circuit layer is a conductive TPU film; an electrode and a circuit are engraved on the conductive TPU film. The flexible electronic skin is stretchable, good in flexibility and not prone to breakage, a heat conduction medium does not need to be used, heat transfer loss does not exist, and the actual temperature of air can be accurately sensed.

Food safety rapid detection pretreatment device and method

A food safety rapid detection pretreatment device comprises a stirring device, a water bath extraction device is arranged on one side of the stirring device, a powder filtering device is arranged on one side of the water bath extraction device, and the output end of the stirring device is connected with a treatment center through a pipeline. The treatment center is respectively connected with the powder filtering device and the water bath extraction device through pipelines, the treatment center is positioned in the working bin, and a part of the structure of the stirring device is positioned in the working bin. The device can be used for processing different kinds of food, and can be used for rapidly and conveniently detecting two or more kinds of mixed food.

Minced shrimp bulking agent as well as preparation method and application thereof

The invention discloses a minced shrimp bulking agent which consists of the following components in percentage by mass: 30-35% of sodium hydrogen carbonate, 0.5-1% of bromelain, 0.5-1% of L-cysteine, 15-20% of lecithin and the balance being glucono-delta-lactone. The minced shrimp bulking agent disclosed by the invention is scientific and reasonable in combination, and raw materials are easy to prepare; various components are coordinated with one another, so that the minced shrimp is bulked relatively uniformly and is in a flossy form, the taste is relatively delicate, and the sensory quality is effectively improved. Furthermore, the invention discloses a preparation method of the minced shrimp bulking agent. The preparation method is simple in step, low in investment in equipment, and high in operability and is suitable for industrial production.

Scraper mounting device for small mud scraper

The invention discloses a scraper mounting device for a small mud scraper. The scraper mounting device for the small mud scraper comprises an annular fixed lantern ring, wherein the fixed lantern ring is provided with a lantern ring through hole array consisting of lantern ring through holes; a fan-shaped scraper fixing flange is arranged on the circumference of the fixed lantern ring; a scraper fixing through hole array consisting of scraper fixing through holes is formed in the fan-shaped scraper fixing flange; an arc-shaped strip-shaped vibration rib is arranged on the edge of the scraper fixing flange; the vibration rib is perpendicular to the scraper fixing flange. According to the scraper mounting device disclosed by the invention, the arc-shaped strip-shaped vibration rib on the edge of the scraper fixing flange is utilized, and when the scraper fixing flange rotates, periodic vibration can be generated automatically, so that the mud scraping effect of the scraper is greatly improved ...

Novel cable well lid

The invention provides a novel cable well lid. The novel cable well lid is simple in structure and convenient to open, and connection reliability of the well lid is improved. The novel cable well lid comprises a lid frame, an upper lid, a lower lid and an interlocking mechanism, wherein the center of the lid frame is provided with a first stepped hole, a second stepped hole and a third stepped hole, the first stepped hole, the second stepped hole and the third stepped hole become smaller gradually from top to bottom, the upper lid is arranged in the first stepped hole in a matched mode, the center of the upper lid is provided with a containing hole, the lower lid is arranged in the second stepped hole, and the center line of the upper lid and the center line of the lower lid are consistent with the center line of the first stepped hole; the interlocking mechanism comprises an interlocking assembly and a plurality of sliding grooves, the interlocking assembly comprises a turnover lid, a ...

Thermal -insulated antiskid of silica gel is pressed from both sides

The utility model discloses a thermal -insulated antiskid of silica gel is pressed from both sides, it includes dactylotheca (1), silica gel dish (2) and connecting piece (3), dactylotheca (1) is the U -shaped, and dactylotheca (1) is provided with and holds pollical cavity (4), silica gel dish (2) is connected through connecting piece (3) in dactylotheca (1), silica gel dish (2) are heart -shaped, and the upper surface of silica gel dish (2) is equipped with star antiskid line (5), and the lower surface of silica gel dish (2) is equipped with bar antiskid line (6), and silica gel dish (2) bottom is inlayed and is had three blocks circular magnet (7), the lower surface of dactylotheca (1) is equipped with star antiskid line (5). The utility model discloses a silica gel material is made, and the heat resistance is good, safety and sanitation, environmental protection, all be equipped with anti -skidding line with article contact department with finger contact department, can effectively ...

Electric soldering iron

The invention discloses an electric soldering iron which comprises a handle. The handle is connected with a heating body through a connecting knob. A soldering iron head is arranged at the front end of the heating body. A power switch is arranged at the bottom of the handle. A temperature adjusting knob is arranged on one side of the power switch and a control rod capable of adjusting the length of the soldering iron head is arranged on the other side of the power switch. The soldering iron head comprises a connecting rod. An opening is formed in the tail end of the connecting rod. The connecting rod is further provided with a hollow pipe which is communicated with the opening. The included angle between the hollow pipe and the connecting rod is 60 degrees. Due to the fact that the soldering iron head of the electric soldering iron is provided with the opening and the hollow pipe, after being fused, redundant tin wires are absorbed by the hollow pipe to a pipe body and used for soldering ...

Amylase recombinant expression engineering bacteria and application thereof

The invention relates to the technical field of microbial engineering, and particularly relates to an amylase recombinant expression engineering bacteria and application thereof. Amylase gene of bacillus licheniformis is introduced into aspergillus niger host cells to construct an aspergillus niger engineering bacteria for recombinant expression of the gene. The aspergillus niger engineering bacteria can be used for high expression of amylase, and the fermentation enzyme activity can reach 1650U / mL. The optimal recombinant amylase action pH is 6.5, the optimal action temperature is 55 DEG C, and the recombinant amylase is high-temperature amylase, and can be widely used in the field of food additives, especially in the beer production field.

Automatic device that closes a floodgate of omnipotent circuit breaker of low pressure

The utility model belongs to the omnipotent circuit breaker auxiliary equipment of low pressure, one kind in particular to are used for the automation of the omnipotent circuit breaker of the low pressure device that closes a floodgate, automatic device that closes a floodgate of omnipotent circuit breaker of low pressure includes the omnipotent circuit breaker of low pressure, time relay, ac contactor KM1, ac contactor KM2, secondary line and insulating casing, wherein, the automatic device that closes a floodgate of the parallelly connected constitution of time relay and ac contactor, the device that closes a floodgate automatically is connected with transformer low voltage generating line B, N, and the tie point is located the omnipotent circuit breaker front end of low pressure, low pressure inlet wire switch rear end, the utility model discloses automatic device that closes a floodgate of omnipotent circuit breaker of low pressure's beneficial effect: through the omnipotent circuit ...

Manufacture method for electric control optical switch array micro-fluidic chip

A broadcasting message based wireless sensor network MAC protocol

A broadcasting message based wireless sensor network MAC protocol is provided. The protocol uses a cycle working system, and the time length of one working cycle is a fixed value; one working cycle is divided as a synchronizing cycle, a broadcasting cycle and a data cycle based on the timeline; the data cycle is divided into multiple working sections with the same time length; and the achieving procedure of the protocol is: in the synchronizing cycle, through the exchange of the synchronization frame message, node time synchronization in the same virtual cluster is achieved; in the broadcasting cycle, a source node randomly selects the working section in the broadcasting cycle, and completes the data exchange of the related nodes in the corresponding working section using the broadcasting message; and in the data cycle, the related node is waken in the corresponding working section, the source node starts a channel competition, and the source node performs RTS/CTS/DATE/ACK data exchange ...

High temperature-resistant amylase

The invention provides high temperature-resistant amylase from bacillus licheniformis; the amylase is efficiently expressed by constructing aspergillus niger engineering bacteria, wherein fermenting enzyme activity reaches 1650U/mL. The optimal pH of the recombinant amylase is 6.5, the optical temperature is 55 DEG C, and the recombinant amylase is high-temperature-resistant amylase which can be widely applied to the food additive field, particularly to the beer production filed.

Fruit knife denucleates with protector

The utility model discloses a fruit knife denucleates with protector, including knife rest (1), blade group (2) and protector (3), knife rest (1) comprises frame -saw (11) and handle of a knife (12), and frame -saw (11) its radial outside is provided with frame -saw boss (13), handle of a knife (12) tip sets up to convex handheld portion (14), blade group (2) are including two round ARC blade (21) and two sheet -like blade (22), protector (3) set up to circular shape recess form, and the internal surface equipartition has a pit form convex part (31), and the center is provided with round ring -shaped convex part (32), protector (3) outer surface mounting has sucking disc (4). Use this fruit knife not only to solve the purpose of getting rid of the core, also guaranteed the security the when fruit knife is deposited, the health nature of cutter when still having guaranteed to deposit simultaneously, this kind of fruit knife simple structure, the practicality is strong.

Treatment for wastewater in para-nitraniline production and method for resource recovery and use

The invention discloses a method for nitroaniline wastewater treatment and recycling, comprising a plurality of steps: cooling p-nitroaniline mother liquor wastewater to separate out crystals; filtering the wastewater after crystal precipitation and removing the free ammonia in the filtrate; filtering the effluent ever treated at the procedure B and changing PH value to acidity or weak alkalinity; using the viscose-based active carbon fiber made by phosphate-impregnated high-temperature steam activation to absorb the p-nitroaniline wherein; evaporating and concentrating the absorbed water; precipitating crystal and filtering out ammonium chloride crystal. The active carbon fiber has large absorption capacity and fast absorption speed for p-nitroaniline and can be utilize repeatedly, which makes the recovery rate of p-nitroaniline near 100%. The method has the advantages that the method can fully recover p-nitroaniline and free ammonia in the p-nitroaniline wastewater and the byproduct of ...

Concrete mixing and stirring device

The invention relates to the technical field of concrete mixing, in particular to a concrete mixing and stirring device which comprises a stirring mechanism and a water injection mechanism, the water injection mechanism is located above the stirring mechanism to supply water to the stirring mechanism, the stirring mechanism comprises a stirring shell and a stirrer, and a first feeding port is formed in the stirring shell and used for feeding materials; the stirrer is located in the stirring shell and rotationally arranged, a zigzag channel is formed between the stirring shell and the stirrer, materials enter the zigzag channel from the first feeding port, and the materials can be fully mixed in the zigzag channel under the rotation of the stirrer and the action of gravity, so that the mixing efficiency is improved.

Cross positioning method and system for radioactive source in three-dimensional space

The invention discloses a cross positioning method and system for a radioactive source in three-dimensional space. The method includes the steps that environmental information collected by an aerial robot when the aerial robot flies in a nuclear radiation area is used for initially positioning a radioactive source pollution area; the aerial robot is controlled to enter and fly in the initially-positioned radioactive source pollution area to reposition a radioactive source pollution area; the aerial robot is controlled to enter and fly in the repositioned radioactive source pollution area to position the position of the radioactive source in air; a land robot is controlled to enter the position, corresponding to the position of the radioactive source in the air, of the land, and the radioactive source is accurately positioned according to the environmental information at the position around the land. According to the cross positioning method and system for the radioactive source, the multiple ...

Tea leaf screening machine

The invention discloses a tea leaf screening machine. The tea leaf screening machine comprises a base, wherein a first supporting rod and a second supporting rod are arranged on the base; a transverse beam is movably arranged between the first supporting rod and the second supporting rod; a bucket is rotatably suspended on the transverse beam; one end of the transverse beam is fixedly connected with an internal gear disk; a manual disk is rotatably arranged on the second supporting rod; a driving gear is arranged on the manual disk and is matched with the internal gear disk; a positioning gear is rotatably arranged at the other end of the transverse beam; a circle of teeth are fixedly arranged at the periphery of the bucket and are matched with the positioning gear. According to the tea leaf screening machine, the manual disk and the gears drive the bucket to rotate and shake, so that tea leaves in the bucket can be screened in a layered manner, the screening efficiency is greatly improved ...

Preparation method of ceramic oxygen-permeating membrane loaded with oxide nano-scale ordered array on surface

The invention discloses a preparation method of a ceramic oxygen-permeating membrane loaded with an oxide nano-scale ordered array on the surface. The preparation method is characterized by comprising steps as follows: a ceramic oxygen-permeating membrane sample is placed in a solution containing inorganic salt and is subjected to high-temperature processing to obtain a ceramic oxygen-permeating membrane loaded with a nano-scale ordered array precursor, and then the precursor is decomposed at high temperature to obtain the ceramic oxygen-permeating membrane loaded with the oxide nano-scale ordered array on the surface. The preparation method is simple, and the prepared ceramic oxygen-permeating membrane has higher oxygen permeating speed and higher stability.

Table tennis case that can count

The utility model discloses a table tennis case that can count, including box, handle, rubber lid A, display screen, control switch, swash plate, infrared ray sensor, rubber lid B, controller sum counter, the box be the cuboid, handle fixed connection is at the box top, rubber lid A lid is at the goal mouth at box top, the side at the box is inlayed to the display screen, swash plate one end and the inside side fixed connection of box, the other end of swash plate apart from the side that corresponds of box be 1.5 times of table tennis diameter, infrared ray sensor fixed connection is in the inside side of box, rubber lid B lid is at basifacial ball mouth of box side, infrared ray sensor is connected with the controller electricity, the controller respectively with control switch, counter and display screen electricity are connected, the beneficial effects are that it is simple to use, can calculate the service number of times.

Spiral vertical axis-based wind turbine, and assembling die and assembling method

The invention relates to the field of vertical axis wind turbines, in particular to a spiral vertical axis-based wind turbine, an assembling die and an assembling method. The assembling die consists of movable regular dodecahedron-shaped tool fixtures sleeving a center shaft and positioning screws fixedly arranged on the regular dodecahedron-shaped tool fixtures. Holes in blades are positioned, and when the blades are manufactured, the die is used for performing positioning and perforation to make the hole positions of the blades consistent; holes of the center shaft are accurately positioned by a tool, so that the same screw rod is connected with the center shaft and two blades respectively, and easiness in assembling operation, strong overall strength and higher blade firmness are achieved. The wind turbine comprises wind turbine blades, screw rods, the center shaft and anti-loosening fastening nuts, wherein the center shaft is connected with the screw rods; the screw rods can be connected ...

Polylactic acid thermoplastic composite material with relatively high mechanical property and preparation method thereof

The invention discloses a polylactic acid thermoplastic composite material with higher mechanical property and a preparation method thereof, the composite material comprises the following components in percentage by mass: 25-45% of a resin matrix and 55-75% of a reinforcement, the resin matrix is modified polylactic acid, the reinforcement is modified continuous glass fiber, and the polylactic acid thermoplastic composite material is prepared from polylactic acid, modified continuous glass fiber and modified continuous glass fiber. The modified polylactic acid is grafted with the modified continuous glass fibers through chemical bonds. According to the polylactic acid thermoplastic composite material with higher mechanical properties, the modified continuous glass fibers and the polylactic acid are connected through chemical bonds, so that the interface bonding is tighter, and the mechanical properties of the composite material are further improved.

Flexible and diversified face image aging generation system

The invention relates to the technical field of image processing, and provides a flexible and diverse face image aging generation system, which comprises an acquisition unit, a processing unit and a processing unit, and is characterized in that the acquisition unit is used for acquiring an original input image reference image and a pre-defined aging text tref; the CLIP encoder is used for mapping the reference image and the aged text tref to a CLIP implicit space to respectively obtain an implicit vector eimg and an implicit vector etxt; the probability age prediction unit is used for performing KL divergence constraint by using text prior N (etxt, I), and obtaining probability generation expression eage = N (mu phi (eimg), sigma phi 2 (eimg) I) of an aging condition according to an implicit vector eimg; and the diffusion auto-encoder is used for encoding an original input image into a semantic condition, and the first diffusion decoder is used for decoding the semantic condition zsrc, ...

Interface connecting device and electronic skin equipment

The invention discloses an interface connecting device and an electronic skin device, the interface connecting device comprises a substrate main body, the top surface of the substrate main body is provided with a conductive member, one end of the conductive member is electrically connected with an external hardware device, the bottom of the substrate main body is provided with a bonding member, and the substrate main body is bonded on the human skin through the bonding member; one end of the deformation connecting part is electrically connected with the other end of the conductive piece at the top of the substrate main body, and the other end of the deformation connecting part is electrically connected with an electronic skin body; the covering connection part is arranged on the electrical connection part of the substrate main body and the deformation connection part and the electrical connection part of the electronic skin and the deformation connection part in a covering and bonding mode ...

Method and system for determining content of iridoid glycoside compounds in swertia mussotii

The invention discloses a method and a system for determining the content of iridoid glycoside compounds in swertia mussotii. The method comprises the following steps: collecting swertia mussotii at different altitudes as samples; determining iridoid glycoside components of the sample by using a high performance liquid chromatography to obtain content determination results of different iridoid glycoside compounds; collecting a plurality of infrared spectrums of the sample, and respectively combining each infrared spectrum with the content determination result to establish quantitative models of different iridoid glycoside compounds; optimizing the quantitative model by using different modeling methods and/or spectrogram preprocessing methods, and evaluating by using various indexes to obtain an optimal quantitative model of different iridoid glycoside compounds; and determining the content of different iridoid glycoside compounds in the swertia mussotii by using the optimal quantitative ...

Transfer device used for thin film winding machine

The invention discloses a transfer device used for a thin film winding machine. The transfer device used for the thin film winding machine comprises a hollow tubular shaft tube, wherein the two ends of the tubular shaft tube are provided with separable chucks respectively, each chuck comprises a square sheet chuck body, a cross-shaped insertion head is arranged in the center of each chuck body, and inward-bent protection arc pieces are arranged at the four corners of each chuck body respectively. According to the transfer device used for the thin film winding machine, the chucks made of stainless steel are used, a user can directly insert the chucks to the two ends of the shaft tube of packing material, and therefore abrasion to the edge and the bottom of the packing material is effectively avoided, and when the transfer device is assembled on the thin film winding machine for use, the user only needs to take down the chucks, and the operation is easy and practical. The transfer device ...

Construction method of strip-shaped channel disc buckle type support and assembly type early-dismantling formwork keel system

The invention relates to a construction method for a strip-shaped channel disc buckle type support and assembly type early-dismantling formwork keel system. The construction method is characterized by comprising the steps that S1, surveying and setting out are conducted; s2, a supporting system is installed; s3, the early-dismantling adjustable support is installed; s4, main beam, secondary beam and plate formwork installation and supporting system acceptance inspection are conducted; s5, mounting and acceptance inspection of a plate formwork; s6, reinforcing steel bar installation and acceptance check; s7, concrete pouring and curing; s8, the formworks and the supports are dismantled; the disc buckle supporting system is optimally arranged, and the performance advantages of the disc buckle frame are exerted to the greatest extent; the support system is built by adopting a socket type disc buckle type steel pipe bracket, so that the arrangement is flexible, safe and reliable; the distance ...

Bearing unit for testing and controlling angular displacement of revolving platform

The invention provides a bearing unit for testing and controlling the angular displacement of a revolving platform, which mainly consists of a work bedplate, a supporting seat, a bearing body arranged therebetween, a control system, a driving device and an angular displacement testing device, wherein the bearing body is formed by a moving coil, a static coil and a rolling body; and the angular displacement testing device is formed by a magnetic grid ruler and a sensor. The bearing unit has flexible and convenient installation, combines with the real-time test of a high-precision bearing, feeds an angular displacement signal back to a controlling system, and achieves the aim of closed-loop control. The work bedplate is driven by the driving device, a signal output end of the controlling system inputs the driving device, the angular displacement testing device immediately tests the angular displacement and inputs the signal to the controlling system when the work bedplate is rotated, and ...

Production method of coated enzyme granules

The invention aims to provide a production method of coated enzyme granules, which comprises the following steps: mixing, extruding, granulating, drying, coating and the like to produce the enzyme-containing granules. The method is simple in process, and can effectively save the production cost and lower the energy consumption due to the adoption of the lower processing temperature; and the prepared enzyme granules have the advantages of high temperature tolerance and small loss of enzyme activity.

Efficient and environment-friendly ration formula for broiler chickens with age of 0-40 days

The invention relates to technical field of feed formulas of livestock and poultry, and in particular relates to an efficient and environment-friendly ration formula for broiler chickens with age of 0-40 days. The efficient and environment-friendly ration formula adopts corn-wheat-bean pulp granules. According to the ration formula, the ration is prepared from the following raw materials in percentage by weight: 40%-60% of corn, 5%-30% of wheat, 10%-35% of bean pulp, 1%-5% of soya-bean oil, 0.1%-0.5% of methionine, 0.15%-0.45% of 65% lysine, 0.15%-0.20% of threonine, 1%-2% of limestone, 0.01%-0.10% of 60% choline chloride, 0.1%-1.5% of 60% calcium hydrophosphate, 0.2%-0.5% of table salt, 0.05%-0.10% of high-temperature-resisting phytase, and 0.2-0.8% of gunk, wherein the weight percentage sum of the raw materials is 100%. On the one hand, the efficient and environment-friendly ration formula provides reference for safe and efficient production of broilers, the feed cost is saved, and the ...

Frame is accomodate to cell -phone

The utility model discloses a frame is accomodate to cell -phone, including metal -support frame, chair back bone, U type skeleton and pin, the metal -support frame is the chair shape, and the periphery of chair back bone is connected with the metal -support frame, and U type skeleton sets up at the middle part of metal -support frame, and the center of U type skeleton is provided with the hole of charging, two intermediate positions that pin difference vertical welding put up at metal -support. The beneficial effects of the utility model are that: frame is accomodate to cell -phone can watch the video as cell phone stand, also can be as the instrument of accomodating in desk or the family life, simple and practical, elegant appearance.

Automatic godet locking device for roving frame

The invention discloses an automatic godet locking device for a roving frame. The automatic godet locking device for the roving frame comprises a pair of semi-circular clamping rings, wherein spring through holes for fixing resetting springs are formed in the two ends of each clamping ring, a locking rabbet is arranged in the middle of the clamping ring, a locking through hole is formed in the locking rabbet, and a locking screw is arranged in the locking through hole. When a godet rotates at a low speed or stops rotating, the resetting springs between the semi-circular clamping rings can automatically extrude a driving shaft of the godet to make the whole godet in a brake state, and reliability of the godet of the roving frame is improved greatly. The automatic godet locking device for the roving frame is simple in structure, convenient to transform and strong in practicability.

Application of gamma-polyglutamic acid producing strain and fermentation product thereof

The invention discloses a gamma-polyglutamic acid (PGA) producing strain, and belongs to the technical field of microbes and fermentation. The gamma polyglutamic acid producing strain is bacillus licheniformis with a preservation number of CGMCC (China General Microbiological Culture Collection Center) NO.9169. According to the gamma-PGA producing strain Dou-6, a strain fermentation broth is directly used as a soil water-retaining agent, and takes a good water retaining effect; the soil water retaining effect by directly diluting the fermentation broth of the strain bacillus licheniformis Dou-6 indicates that 2-fold and 5-fold diluents both play remarkable roles in retaining water, and achieve a significance level of difference, the survival rate can be greatly improved by seed dressing and dipping treatments with gamma-PGA water retaining agent during sowing, seed dressing and seeding transplanting. The gamma-PGA producing strain has a wide application prospect.

Plastics door -inhale

The utility model discloses a plastics door -inhale, this door -inhale include pillar I and pillar II, and the front end of pillar I is opened has domatic I, domatic I to go up at least one bump of fixedly connected with, fixed connection sucking disc upper cover I on the rear end terminal surface of pillar I, the I inside sucking disc I that is provided with of sucking disc upper cover, the preceding terminal surface of pillar II is opened has the same with I domatic shape, size domatic II, domatic II to go up to open to have and link up the hole with the bump assorted during with domatic II laminatings when domatic I, fixed connection sucking disc upper cover II on the rear end terminal surface of pillar II, and II inside of sucking disc upper cover are provided with sucking discs II. This plastics door -inhale simple structure, the contour machining is convenient, cheap, plastics door -inhale use and the installation in, do not harm door plant and wall, and the mounting height can set ...

METHOD OF ANALYZING CELLULAR CHROMOSOMES

The present invention involves an analysis method of cellular chromosomes, particularly involves a method of analyzing whether a difference exists in the chromosome number between amniotic cells and standard cells by a sequencing method. 1. A method of using sequencing to analyze the chromosomal information of cells , including the steps of:a. randomly breaking a genome DNA of the cells to obtain DNA fragments of a certain size, and sequencing them;b. strictly aligning the DNA sequences sequenced in step a with a reference sequence of the human genome to obtain information about the DNA sequences being located on a particular chromosome;c. for a particular chromosome N, determining a total number of the sequences, located at a sole region of the chromosome, among the above-sequenced DNA sequences, thereby calculating an ChrN % for chromosome N, i.e. a ratio of a total number (S1) of the sequences located at the sole region of chromosome N, among the above-sequenced DNA sequences, to a total number (S2) of the sequences located on all chromosomes, among the above-sequenced DNA sequences:ChrN %=the total number of the sequences located at the sole region of chromosome N/the total number of the sequences located on all chromosomes; andd. comparing the ChrN % for chromosome N with a ChrN % for the corresponding chromosome from standard cells to determine whether there exists a difference between the chromosome of the cells and a chromosome of a corresponding standard cell.2. The method of claim 1 , wherein strictly aligning with the reference sequence of the human genome described in step b means that the method of alignment adopted is a fault-intolerant alignment of the sole region located in the reference sequence of the human genome; wherein the reference sequence of the human genome is produced after a shield of the repeated sequences within the human genome sequence.3. The method of claim 1 , wherein determining whether there exists a difference between the number ...

PROTECTIVE RUBBER TRACK SHOES FOR EXCAVATOR

Provided herein is a protective rubber track shoe for an excavator, which includes a first-stage rubber mix and a second-stage rubber mix. The first-stage rubber mix consists of a natural rubber, a chloroprene rubber, a butadiene rubber, a styrene-butadiene rubber, a tire reclaim rubber, a 120-mesh rubber powder, zinc oxide, stearic acid, an anti-aging agent 3100, an anti-aging agent CTU, paraffin wax, an intermediate super abrasion furnace carbon black and an aromatic oil. The second-stage rubber mix consists of the first-stage rubber mix, sulfur, an accelerator CZ and an auxiliary agent. 1. A protective rubber track shoe for an excavator , comprising:a first-stage rubber mix; anda second-stage rubber mix;wherein the first-stage rubber mix consists of 22-25 parts by weight of a natural rubber, 4-5 parts by weight of a chloroprene rubber, 40-42 parts by weight of a butadiene rubber, 30-32 parts by weight of a styrene-butadiene rubber, 60 parts by weight of a tire reclaim rubber, 8 parts by weight of a 120-mesh rubber powder, 4.0-6.0 parts by weight of zinc oxide, 2.0-3.0 parts by weight of stearic acid, 0.9-1.1 parts by weight of an anti-aging agent 3100, 1.0-1.2 parts by weight of an anti-aging agent CTU, 0.8 part by weight of paraffin wax, 55-59 parts by weight of an intermediate super abrasion furnace carbon black and 5.8-6.2 parts by weight of an aromatic oil; andthe second-stage rubber mix consists of 233.5-249.3 parts by weight of the first-stage rubber mix, 1.0-1.2 parts by weight of sulfur, 1.3-1.5 parts by weight of an accelerator CZ and 3.8-4.2 parts by weight of an auxiliary agent.2. The protective rubber track shoe of claim 1 , wherein the natural rubber is a natural rubber SCRS.3. The protective rubber track shoe of claim 1 , wherein the chloroprene rubber is a W-type chloroprene rubber. This application claims the benefit of priority from Chinese Patent Application No. 202110973471.0, filed on Aug. 24, 2021. The content of the aforementioned ...

Fault Point Locating Method of Hybrid Lines Based on Analysis of Comprehensive Characteristics of Single-end Electric Quantity and Transient Travelling Waves

The invention discloses a fault point locating method of hybrid lines based on analysis of comprehensive characteristics of single-end electric quantity and transient travelling waves, which mainly includes steps: phase-model transformation; looking up initial time of failure; extracting timing window data after the initial time; searching a reflected wave from the fault point and a reflected wave from a demarcation point in the timing window; and judging properties of the reflected waves. After failure of a hybrid line with cable and overhead line, by identifying and comparing comprehensive characteristics of the reflected wave from the fault point, primary and secondary reflected waves from the demarcation point in the single-end transient voltage and current travelling waves, it is rapidly judged whether the fault point is located in the overhead line segment or the cable segment, which is used to assist in switching decision for line reclosing. 1. A fault point locating method of hybrid lines based on analysis of comprehensive characteristics of single-end electric quantity and transient travelling waves , wherein , the method mainly includes the following steps:step 1, performing phase-model transformation based on the single-end electric quantity, and reducing effect of inter-phase coupling of the transient travelling waves on section locating;step 2, utilizing wavelet transformation to detect a signal break point of transient voltage and current travelling waves as the initial time of failure;step 3, extracting timing window data after the initial time of failure of the voltage and current travelling waves, wherein size of the timing window is determined by cable length;{'sub': xf', 'xf, 'step 4, searching all reflected wave heads with the same voltage/current polarity and close amplitudes in the timing window, and computing relative values uand iof various reflected and initial wave heads with the initial wave head of the voltage/current travelling waves as ...

Method of detecting a pre-determined event in a nucleic acid sample and system thereof

Disclosed are a method of detecting a pre-determined event in a nucleic acid sample and a system thereof. The method of detecting the pre-determined event in the nucleic acid sample comprises the following steps: constructing a sequencing-library for the nucleic acid sample; sequencing the sequencing-library to obtain a sequencing result consisting of a plurality of sequencing data; determining the sequencing data from a pre-determined region; and determining an occurrence of the pre-determined event in the nucleic acid sample based on a composition of the sequencing data from the pre-determined region. 1. A method of detecting a pre-determined event in a nucleic acid sample comprising:constructing a sequencing-library for the nucleic acid sample;sequencing the sequencing-library to obtain a sequencing result consisting of a plurality of sequencing data;determining the sequencing data from a pre-determined region; anddetermining an occurrence of the pre-determined event in the nucleic acid sample based on a composition of the sequencing data from the pre-determined region.2. The method of claim 1 , wherein the pre-determined region is a nucleic acid fragment comprising a known SNP claim 1 , the pre-determined event is a mutation type of a SNP site claim 1 ,wherein determining a number ratio between the number of sequencing data with base A, T, G or C of the SNP site and the number of a total sequencing data respectively; and', 'determining a base having a highest occurrence probability of the SNP site based on the number ratio by means of Bayesian Model, to determine the mutation type of the SNP site in the nucleic acid sample., 'determining an occurrence of the pre-determined event in the nucleic acid sample further comprises3. The method of claim 1 , wherein the pre-determined region is a first chromosome in a genome claim 1 , the pre-determined event is an aneuploidy of the first chromosome claim 1 ,whereindetermining an occurrence of the pre-determined event in ...

Preparation method of scribing rubber cement of tire tread

The present invention discloses a preparation method of scribing rubber cement of a tire tread. The scribing rubber cement of the tire tread is prepared from the following raw materials in parts by weight: 100 parts of natural rubber; 3.5 to 4.5 parts of zinc oxide; 1.5 to 2.5 parts of stearic acid; 15 to 25 parts of titanium white; 2.5 to 3.5 parts of insoluble sulfur; 0.9 to 1.1 parts of accelerant DM; 0.9 to 1.1 parts of rosin; and 15 to 25 parts of color masterbatch. The preparation method of the scribing rubber cement comprises the following steps: step 1) preparing rubber compound; and step 2) preparing the scribing rubber cement. The scribing rubber cement of the tire tread prepared by the present invention has high aesthetic degree and does not influence the product quality.

Method of detecting a pre-determined event in a nucleic acid sample and system thereof

Disclosed are a method of detecting a pre-determined event in a nucleic acid sample and a system thereof. The method of detecting the pre-determined event in the nucleic acid sample comprises the following steps: constructing a sequencing-library for the nucleic acid sample; sequencing the sequencing-library to obtain a sequencing result consisting of a plurality of sequencing data; determining the sequencing data from a pre-determined region; and determining an occurrence of the pre-determined event in the nucleic acid sample based on a composition of the sequencing data from the pre-determined region. 1. A method of detecting a pre-determined event in a nucleic acid sample comprising:constructing a sequencing-library for the nucleic acid sample;sequencing the sequencing-library to obtain a sequencing result consisting of a plurality of sequencing data;determining the sequencing data from a pre-determined region; anddetermining an occurrence of the pre-determined event in the nucleic acid sample based on a composition of the sequencing data from the pre-determined region.2. The method of claim 1 , wherein the pre-determined region is a nucleic acid fragment comprising a known SNP claim 1 , the pre-determined event is a mutation type of a SNP site claim 1 ,wherein determining a number ratio between the number of sequencing data with base A, T, G or C of the SNP site and the number of a total sequencing data respectively; and', 'determining a base having a highest occurrence probability of the SNP site based on the number ratio by means of Bayesian Model, to determine the mutation type of the SNP site in the nucleic acid sample., 'determining an occurrence of the pre-determined event in the nucleic acid sample further comprises3. The method of claim 1 , wherein the pre-determined region is a first chromosome in a genome claim 1 , the pre-determined event is an aneuploidy of the first chromosome claim 1 , wherein determining an occurrence of the pre-determined event ...

A method for manufacturing a bulletproof and explosionproof tubeless tire

The invention discloses a method for manufacturing a bulletproof and explosion-proof tubeless tire, first, the innerliner is attached to the carcass cord ply to make the carcass innerliner, and then the steel wire braided layers and the intermediate rubber layers are laminated to each other to make an explosion-proof layer, using a first stage building machine to complete the first stage forming of the carcass innerliner, explosion-proof layer and belt to obtain a semi-finished embryo, and then using a second stage building machine, the semi-finished embryo and the tread slab base are formed in the second stage to obtain the embryo, which is baked and stored for 8˜96h and then vulcanised to obtain a bulletproof and explosion-proof tire; through the second stage forming process, the invention solves the problem that the explosion-proof layer is difficult to form due to the excessively hard metal material when making the embryo.

METHOD OF ANALYSIS OF CELL CHROMOSOMES

Nucleic acids extraction system and method based on 3d-printed microdevice

The present invention discloses a nucleic acids extraction system and method based on a 3D-printed microdevice, and belongs to the technical field of nucleic acids extraction. The nucleic acids extraction system is a monomer 3D-printed microdevice or a 3D-printed microdevice prepared by 3D printing technologies, the monomer 3D-printed microdevice comprises a nucleic acids binding region and a handle region, and the 3D-printed microdevice is composed of more than two monomer 3D-printed microdevices through a joining region; and the nucleic acids binding region is made of photosensitive resin or thermoplastic. An extraction method for the nucleic acids extraction system based on a 3D-printed microdevice is used to bind, clean and elute nucleic acids by moving the monomer 3D-printed microdevice or the 3D-printed microdevice among a solution containing target nucleic acids, a washing buffer and an elution buffer.

Method for fabricating bulletproof and explosion-proof tubeless tire

The invention discloses a method for manufacturing a bulletproof and explosion-proof tubeless tire, first, the innerliner is attached to the carcass cord ply to make the carcass innerliner, and then the steel wire braided layers and the intermediate rubber layers are laminated to each other to make an explosion-proof layer, using a first stage building machine to complete the first stage forming of the carcass innerliner, explosion-proof layer and belt to obtain a semi-finished embryo, and then using a second stage building machine, the semi-finished embryo and the tread slab base are formed in the second stage to obtain the embryo, which is baked and stored for 8-96h and then vulcanised to obtain a bulletproof and explosion-proof tire; through the second stage forming process, the invention solves the problem that the explosion-proof layer is difficult to form due to the excessively hard metal material when making the embryo; in addition, the intermediate rubber layers can reduce the friction and heat generation problem between the steel wires and achieve the effect of prolonging the service life.

Flexible electronics skin sensor and preparation method thereof

In-cavity cleaning method

An in-cavity cleaning method includes: a lower electrode temperature control step of controlling a lower electrode to a predetermined temperature; an electrode distance adjustment step of elevating the lower electrode and controlling a distance between an upper electrode and the lower electrode; a film deposition step of depositing a film on a substrate; a cleaning gas introducing step of introducing a cleaning gas in a plasma state from the upper electrode; and a cleaning gas pressure control step of adjusting a pressure of the cleaning gas in a cavity by adjusting an opening of a valve.

Aqueous fire extinguishing agent and preparation method thereof

An aqueous fire extinguishing agent and a preparation method thereof are provided, which are used for making a throw-type fire extinguisher. The aqueous fire extinguishing agent is composed of two compositions of A and B. The composition A is a fortified water added with a flame retardant (e.g., one or more of ammonium chloride, diammonium hydrogen phosphate and ammonium polyphosphate), a wetting agent (e.g., alkyl polyglycoside) and a colloid (e.g., polyacrylamide solution). The composition B is a regulator. After the composition A and the composition B are mixed, a discharge rate/speed of fire extinguishing substances is increased, so that an escape passage/route can be opened up quickly.

一种无源温度告警装置

一种无源温度告警装置。涉及新能源技术领域，尤其涉及一种无源温度告警装置。提供了一种弥补变电站传统无线传感器的供能方式对于网络节点的微型化和全面覆盖不足的缺点，采用自供能的方式进行代替的无源温度告警装置。包括监控中心、接入节点、汇聚节点和至少两个报警装置，至少两个报警装置分别连接汇聚节点，所述汇聚节点无线通信连接接入节点，所述接入节点无线通信连接监控中心；所述报警装置包括测温器和报警信号发生器，所述测温器由热电材料制成，所述测温器与变电站设备连接，所述测温器与报警信号发生器相连，所述报警信号发生器接入汇聚节点。本实用新型结构简单，设计安装方便，便于实现。

Aqueous fire extinguishing agent and preparation method thereof

An aqueous fire extinguishing agent and a preparation method thereof are provided, which are used for making a throw-type fire extinguisher. The aqueous fire extinguishing agent is composed of two compositions of A and B. The composition A is a fortified water added with a flame retardant (e.g., one or more of ammonium chloride, diammonium hydrogen phosphate and ammonium polyphosphate), a wetting agent (e.g., alkyl polyglycoside) and a colloid (e.g., polyacrylamide solution). The composition B is a regulator. After the composition A and the composition B are mixed, a discharge rate/speed of fire extinguishing substances is increased, so that an escape passage/route can be opened up quickly.

Method for preparing sheet rubber anti-skid belt for a tire

Method for preparing sheet rubber anti-skid belt for tire A method for preparing a sheet rubber anti-skid belt for a tire is disclosed. Raw rubber is common 5 raw rubber combined with methylphenylvinyl silicone rubber and brominated isobutylene-p-methylstyrene rubber, which not only can meet the requirements on the mechanical properties, tear resistance and aging property of a rubber anti-skid belt, but also can reduce the glass transition temperature and brittleness temperature of rubber materials, so that the operating temperature of the rubber materials can reach -120°C and the gripping force is also greatly increased. 10 A vulcanization system is a sulfur vulcanization system combined with a peroxide vulcanization system, the content of intramolecular combined sulfur is low, the glass transition temperature of the rubber materials is low, and the cold resistance of the rubber materials is improved. For a filling system, fumed silica is selected to replace part of carbon black, and the ice surface gripping force and tear resistance of the rubber materials can be significantly improved. Pollution-free novel 15 anti-aging agents are selected for an anti-aging system. Low-molecular weight high-vinyl 1,2-p01ybutadiene resin (liquid) is used as a peroxide assistant crosslinking agent, so that the low-temperature performance of the rubber materials is better.

Protective rubber track pad for excavator

Disclosed in the present invention is a protective rubber track pad for an excavator, comprising a primary rubber compound and a secondary rubber compound. The primary rubber compound comprises the following components: natural rubber, chloroprene rubber, polybutadiene rubber, styrene-butadiene rubber, whole tire reclaimed rubber, 120-mesh rubber powder, zinc oxide, stearic acid, rubber antioxidant 3100, rubber antioxidant CTU, paraffin, intermediate super abrasion furnace carbon black and aromatic oil. The secondary rubber compound comprises the following components: the primary rubber compound, sulfur yellow, an accelerator CZ, and a refining agent. The properties of the rubber product of the present invention are greatly improved, such that various properties of a rubber track pad product are satisfied, and it is more beneficial to the market competitiveness and popularization of the product.

Automatic pressurizing device for rubber permanent deformation test

Schützende gummikettenschuhe für bagger

Die Erfindung offenbart schützende Gummikettenschuhe für Bagger, umfassend eine Gummimischung der ersten Stufe und eine Gummimischung der zweiten Stufe; die Komponenten in der Gummimischung der ersten Stufe: Naturkautschuk, Neopren, Cis-Butadien-Kautschuk, Styrol-Butadien-Kautschuk, recycelter Reifen-Kautschuk, 120-Mesh-Gummipulver, Zinkoxid, Stearinsäure, Alterungsschutzmittel 3100, Alterungsschutzmittel CTU, Paraffinwachs, intermediärer Superruß, Aromaöl; die Komponenten in der Gummimischung der zweiten Stufe: die Gummimischung der ersten Stufe, Schwefel, Beschleuniger CZ und Raffinationshilfe. Die Leistung des Gummiprodukts der Erfindung wird stark verbessert, verschiedene Leistungen des Gummikettenschuhprodukts werden erfüllt, und die Wettbewerbsfähigkeit auf dem Markt und die Förderung des Produkts sind günstiger.

Device and method for detect cutting quality of cord fabric

Protective case

Rubber sealing gasket with excellent compression performance and low-temperature performance, and preparation method and use thereof

The present disclosure belongs to the technical field of polymer rubber composites, and specifically relates to a rubber sealing gasket with excellent compression performance and low-temperature performance, and a preparation method and use thereof. The rubber sealing gasket is prepared from the following raw materials in parts by mass: a hydrogenated nitrile butadiene rubber (HNBR): 100 parts; a processing aid: 12.3 parts to 13.7 parts; a reinforcing filler: 45 parts to 65 parts; a vulcanizing agent: 4.8 parts to 5.2 parts; and a co-crosslinking agent: 4.8 parts to 5.2 parts. The rubber sealing gasket prepared by the present disclosure has excellent compression performance and low-temperature performance, meets the performance requirements of rubber sealing gaskets for automobile air-conditioning systems, and can be used in sealing components of automobile air-conditioning systems.

Manufacturing process for improving the vulcanization efficiency of small-sized rubber products

Processing technique for producing rubber auto parts

Fault point locating method of hybrid lines based on analysis of comprehensive characteristics of single-end electric quantity and transient travelling waves

The invention discloses a fault point locating method of hybrid lines based on analysis of comprehensive characteristics of single-end electric quantity and transient travelling waves, which mainly includes steps: phase-model transformation; looking up initial time of failure; extracting timing window data after the initial time; searching a reflected wave from the fault point and a reflected wave from a demarcation point in the timing window; and judging properties of the reflected waves. After failure of a hybrid line with cable and overhead line, by identifying and comparing comprehensive characteristics of the reflected wave from the fault point, primary and secondary reflected waves from the demarcation point in the single-end transient voltage and current travelling waves, it is rapidly judged whether the fault point is located in the overhead line segment or the cable segment, which is used to assist in switching decision for line reclosing.