Method of preparing cefpirome sulfate

Method for measuring content of quercetin p-coumaric acyl glucose rhamnoside contained in folium ginkgo or related preparation thereof

The invention discloses a method for measuring the content of quercetin p-coumaric acyl glucose rhamnoside contained in folium ginkgo or a related preparation thereof, comprising the following steps of: measuring the quercetin p-coumaric acyl glucose rhamnoside contained in the folium ginkgo as a test article or the related preparation thereof by utilizing a high performance liquid chromatographyand using the quercetin p-coumaric acyl glucose rhamnoside as a reference substance under the condition without negative disturbance; and computing to obtain the content of the quercetin p-coumaric acyl glucose rhamnoside contained in the folium ginkgo or the related preparation thereof by an external reference method. The method overcomes the shortages of inaccurate measuring result, time and labor waste in the hydrolyzing process, and the like of the traditional measuring method without hydrolysis when preparing a test article solution, can accurately measure the real content of the quercetin ...

Plaque removing and fixing tablet for treating unstable carotid plaque

The invention relates to a plaque removing and fixing tablet for treating an unstable carotid plaque, which solves the problems of breakage of the unstable carotid plaque and high toxic or side effect of a medicament. The technical scheme is that: the tablet is prepared from emblic leafflower fruit, medicated leaven, hawthorn, salvia miltiorrhiza bunge, lotus leaf, tree peony bark, oriental waterplantain rhizome and rhubarb serving as raw materials by the following steps of: mixing the emblic leafflower fruit, the lotus leaf and the tree peony bark; adding water for soaking; heating, distilling and extracting to obtain volatile oil; including the volatile oil with beta-cyclodextrin to obtain an inclusion compound for later use; concentrating decoction from which the volatile oil is extracted and adding ethanol into the concentrated decoction; refrigerating, leaching and recycling the ethanol; concentrating and drying filtrate into dry paste; mixing the medicated leaven, the hawthorn, the ...

Light-emitting diode (LED) lamp and LED lighting equipment

The invention discloses a light-emitting diode (LED) lamp and LED lighting equipment. The LED lamp comprises a base, wherein bosses are arranged on the base; a light source component is arranged on each boss; each light source component comprises an aluminum substrate, an LED chip, one or more convex lenses and a reflecting plate; the aluminum substrate is arranged on a mounting plane of the boss; a first included angle is formed between the mounting plane and a light source plane; the LED chip is connected to the aluminum substrate; the one or more convex lenses are connected to the aluminum substrate; the LED chip is covered by the one or more convex lenses; and the reflecting plate is connected to the edge of the boss, is positioned on one side of the one or more convex lenses, and reflects light rays emitted from a first region of the one or more convex lenses to be overlapped with light rays emitted from a second region. The inclined bosses, the one or more convex lenses and the reflecting ...

Preparation method and application of precious metal-modified CdS nanorod photocatalyst

The invention discloses a preparation method and an application of a precious metal-modified CdS nanorod photocatalyst. The photocatalyst consists of precious metal (Pt, Pd or Ru) and nanorod-shaped CdS, and the formation of nanorod-shaped CdS and the depositional modification of precious metal are implemented by a one-pot solvothermal method. The photocatalyst disclosed by the invention has a nanorod-shaped morphology, and can show high-efficient, stable activity in producing hydrogen by decomposing water under visible light when the precious metal content is only 0.06wt.percent. The catalyst preparation process is simple, the required precious metal content is far lower than the precious metal contents of reported products, the catalyst cost is greatly reduced, and the obtained sample has high-efficient, stable activity in producing hydrogen by decomposing water under visible light.

Super-hydrophobic polyurethane-based Econea composite material and preparation method thereof

The invention discloses a super-hydrophobic polyurethane-based Econea composite material and a preparation method thereof.The preparation method comprises the steps that Econea is dissolved in an organic solvent, functional liquid is obtained, then the functional liquid is dropwise added into isocyanate, and a functional antibacterial agent is obtained; preparing polyurethane sponge foaming components, and mixing and stirring to obtain foaming liquid; mixing and reacting the functional antibacterial agent with foaming liquid to obtain PU-Econea sponge; the PU-Econea sponge is soaked in the hydrophobic modification liquid, then taken out, heated, cured and cleaned, and the super-hydrophobic polyurethane-based Econea composite material is obtained. The Econea can effectively improve the antibacterial performance of the material, meanwhile, the surface hydrophobic material further improves the antibacterial performance of the material, the Econea and the surface hydrophobic material have a ...

Glue molding method

The invention discloses a glue molding method, which is used for fixing a carbon fiber product and a metal part by gluing, wherein the carbon fiber product is in a tubular shape. The method comprises: a step 1 of positioning, in which the carbon fiber product and the metal part are positioned, and the carbon fiber product internally forms a conveying air duct, and is provided with an air inlet nozzle which is connected with the conveying air duct; a step 2 of heating, in which by leading steam or hot wind into the conveying air duct through the air inlet nozzle,, the steam or the hot wind flows in the conveying air duct and heats the carbon fiber product so as to fix the carbon fiber product and the metal part through gluing for solidification cement; and a step 3 of cooling, in which the solidification cement can be cooled by using water. The technical proposal of the method has the advantages of less heating energy consumption, staff operation conservation and cost reduction.

Grounding wire clamp

The utility model relates to the technical field of power equipment. The ground wire clamp comprises a main wire clamp and an auxiliary clamping piece detachably arranged at the upper end of the mainwire clamp, a channel used for containing a temporary ground wire is formed between the main wire clamp and the auxiliary clamping piece, an ejector block is arranged at the upper end of the main wireclamp, and the ejector block can move or be replaced so as to change the size of the clamping size between the ejector block and the auxiliary clamping piece. Therefore, the size of the clamping sizebetween the top block and the auxiliary clamping piece can be changed by moving the top block or replacing the top block according to the diameters of different temporary grounding wires, so that thetemporary grounding wires are clamped and fixed in the channel to adapt to the temporary grounding wires with different diameters. Installation requirements of temporary ground wires with different diameters ...

Visual real-time interaction method and system for software defined networking

An embodiment of the present disclosure provides a visual real-time interaction method for software defined networking (SDN). According to this method, a visual interface is established for the SDN. The visual interface includes at least one first node indicative of a port of a switch and at least one second node indicative of a port of a service provider. The first node and the second node are distributed on at least one stack hub. A connection is established between the first node and the second node. The connection has a curvature different from a curvature of the stack hub, and at least an extension line of the connection intersects with the stack hub. A location corresponding to the port of the switch and a location corresponding to the port of the service provider and an attribute of the connection are determined according to the connection.

Rope replacing mechanism and replacing method for encircling steel wire ropes in shore-bridge bracket trolley

The invention discloses a rope replacing mechanism for encircling steel wire ropes in a shore-bridge bracket trolley. The rope replacing mechanism for the encircling steel wire ropes in the shore-bridge bracket trolley comprises two vertically arranged insertion tubes which are fixedly arranged on the two sides of the front surface of a front bracket trolley and two guiding wheels capable of being inserted into the insertion tubes in a matched manner, wherein the guiding wheels comprise an inserting rod matched with the insertion tubes and a grooved wheel rotationally and fixedly arranged at the end part of the inserting rod; the rotating shaft of the grooved wheel and the inserting rod are arranged in parallel coaxially. According to the invention, the rope replacing mechanism is arranged on the front surface of the front bracket trolley; when the ropes are needed to be replaced, two encircling steel wire ropes can be integrated into one steel wire rope and the rope replacement can be ...

Glycopeptide with immunoregulatory activity and application

The invention discloses glycopeptide with immunoregulatory activity and application thereof. The glycopeptide is derived from chicken ovotransferrin and comprises 14 N-connection structures. A peptide fragment part of the glycopeptide comprises TAGWVIPMGLIHNR and FGVNGSEK, glycosylation sites comprise 492 and 637, and a sugar chain of the glycopeptide contains N-acetyl glucosamine, mannose and galactose. The glycosylation site of the peptide fragment TAGWVIPMGLIHNR of the glycopeptide is 492, the glycosylation site of the peptide fragment FGVNGSEK is 12 kinds, the glycosylation site of the peptide fragment FGVNGSEK is 637, and the glycosylation site of the peptide fragment FGVNGSEK is 2 kinds. The glycopeptide with the immunoregulation function, provided by the invention, can be used for promoting mouse macrophages RAW264.7 to secrete TNF-alpha (Tumor Necrosis Factor-alpha). And transcriptome sequencing and proteomics and phosphorylation modification omics analysis show that differential ...

Method for preparing solid oxide fuel cell by taking sludge as fuel

The invention discloses a method for preparing a solid oxide fuel cell by taking sludge as fuel, belongs to the field of the solid oxide fuel cell and particularly relates to a method for preparing a cell by taking the sludge as the fuel. The method comprises the following steps: 1, preparing sludge powder; 2, preparing a sludge column; 3, assembling a cell. Sewage sludge is taken as a special 'biomass' in sewage treatment, biochar can be produced, and the sludge is taken as a fuel source of the solid oxide fuel cell, so that the safe treatment of the sludge and the obtaining of the fuel are synchronously carried out inside a same chamber, the integration of an energy source conversion process is achieved, and obtaining, transportation and management are easy and convenient.

Novel wood fibre multistage formula is dodged anxious dryly device

The utility model relates to a novel wood fibre multistage formula is dodged anxious dryly device belongs to the dry technical field of density board production. Technical scheme is: the one end and the owner of drying pipeline (7) advance the air drying headtotail, and the other end is connected with cyclone (8), is equipped with feed inlet (6) on drying pipeline (7), be equipped with on drying pipeline (7) between feed inlet (6) and cyclone (8) subsidiary conduit (20), subsidiary conduit (20) with assist into air drying headtotail. The utility model discloses a set up the into air drying system of assisting on drying pipeline, realize that anxious drying is dodged to wood fibre's wood fibre multistage formula, guaranteeing that the import does not reduce under productivity and import medium temperature's the prerequisite, guarantees the fibrous moisture content of cyclone export, the dry effect of assurance, especially, rainy season and winter, guaranteed the quality and the output of ...

Projection system

Disclosed is a projection system. Under the setting condition that non-coaxial configuration is conducted and a projection device with the projection offset being larger than 100% is arranged, an image capture device is arranged in an offset mode relative to the projection device, and thus a projection image which is projected to a display face by the projection device can be covered and captured. The image capture device can rotate by an image capture angle in the horizontally axial direction relative to the projection device, a photographic lens of the image capture device can completely cover the projection image through a narrow lens view field, the image capture device with the enough lens view field is arranged at a low cost, and automatic optical image calibration with a low set-up cost can be achieved.

Portable cotton collection device

The utility model discloses a portable cotton collection device, it includes fixes the fixing device on the human body, and still include and collect bag, connecting device and prop a mouthful device, collecting the bag upper end and being the opening, the lower extreme is closed, it is connected with fixing device through connecting device to collect the bag, propping mouthful device one end and fixing on fixing device, the other end is fixed in the sack department of collecting the bag. The utility model discloses it fixes on operator's body to utilize fixing device will collect the bag to through connecting device with prop mouthful device and come to adjust collect the position of bag and the size of sack, the operator just separates when plucking the cotton and emits both hands and go to pluck the cotton like this, and fill collect the direct collection bag of more renewing in bag back can, not only reduced the job step of plucking the cotton, improved cotton harvesting efficiency ...

Long-rope bidirectional linear actuator

The invention relates to a long-rope bidirectional linear actuator, belonging to rope actuators. The long-rope bidirectional linear actuator is characterized by mainly comprising a pedestal, a left support, a right support, an upper pulley, a front pulley, a rear pulley and an electric speed reducer, wherein the upper pulley is installed in the centers of the upper parts of the left support and the right support, a shaft coupling is installed on an upper pulley shaft so as to install the electric speed reducer, and the lower parts of vertical panels of the left support and the right support are respectively and symmetrically provided with the front pulley and the rear pulley; all the upper ring sections of the left slot walls and the right slot walls of V-shaped pulley grooves of the upper pulley, the front pulley and the rear pulley are all gear ring sections, and the gear rings on the upper pulley are respectively engaged with the gear rings on the front pulley and the rear pulley correspondingly ...

Pichia yeast for expressing chymosin as well as construction method and application thereof

The invention discloses pichia yeast for expressing chymosin as well as a construction method and application thereof. The recombinant pichia yeast is a recombinant bacterium used for expressing the chymosin obtained by introducing a chymosin gene into the pichia yeast. A nucleotide sequence of the chymosin gene is sequence 1 in a sequence table. The invention also discloses the construction method of the recombinant pichia yeast. The recombinant pichia yeast can be used for producing calf chymosin.

Water transportation pipe network leakage positioning method based on Bayesian decision theory and genetic algorithm

The invention provides a water transportation pipe network leakage positioning method based on a Bayesian decision theory and a genetic algorithm, and relates to the water transportation pipe network leakage positioning method based on the Bayesian decision theory and the genetic algorithm. The water transportation pipe network leakage positioning method aims at solving the problems that the existing water transportation pipe network adopts a sound listening leakage positioning method, the work intensity is high, and in addition, the efficiency is low. The water transportation pipe network leakage positioning method is realized through the following steps that a PDD leakage model is built according to DMA; a water transportation pipe network with leakage is subjected to water pressure signal collection; according to the Bayesian decision theory, the leakage node number and the leakage quantity are used as independent variables, and the probability density of leakage accidents is used as ...

METHODS FOR SENSITIVE AND RAPID DETECTION OF MOLECULES

In some embodiments, the present invention provides methods of detecting a molecule in a sample, such as an explosive. In some embodiments, the method comprises: associating the sample with an antigen/binding agent complex; measuring a rate of displacement of the binding agent from the antigen by the molecule in the sample; and correlating the measured rate of displacement to the presence of the molecule in the sample. In some embodiments, the measuring step comprises a determination of a change in frequency of the sample and a change in energy dissipation of the sample over a time interval. In some embodiments, the correlating step comprises a calculation of a ratio of a change in energy dissipation of the sample over a change in frequency of the sample over the time interval. In some embodiments, the method is used to determine the molecule concentration in the sample. 1. A method of detecting a molecule in a sample , wherein the method comprises: an antigen, and', 'a binding agent associated with the antigen;, 'associating the sample with a complex, wherein the complex comprises 'wherein the measuring step comprises a determination of a change in frequency of the sample and a change in energy dissipation of the sample over a time interval; and', 'measuring a rate of displacement of the binding agent from the antigen by the molecule in the sample,'} 'wherein the correlating step comprises a calculation of a ratio of a change in energy dissipation of the sample over the change in frequency of the sample over the time interval.', 'correlating the measured rate of displacement to presence of the molecule in the sample,'}2. The method of claim 1 , wherein the correlating step comprises calculating the slope of a plot claim 1 , wherein the plot reflects the change in energy dissipation of the sample over the change in frequency of the sample over the time interval.3. The method of claim 1 , wherein the method comprises the utilization of at least one of quartz crystal ...

Wire winding glue-injection machine for thread coils

The invention discloses a wire winding glue-injection machine for thread coils. The wire winding glue-injection machine is characterized by being composed of a mechanical transmission mechanism, a glue-injection mechanism, a wire winding mechanism and a thread coil fixing and clamping mechanism. The wire winding glue-injection machine can be used for winding wires and injecting glue uniformly, continuously and efficiently and used for wire winding and glue injection production of the thread coils; because the manual operation mode is replaced, product quality and performance stability can be improved, labor intensity can be relieved, and the efficiency can be improved by more than five times.

Method for partitioning pipe network pressure through combination of ant colony algorithm and pressure similarity analysis

The invention relates to a method for partitioning pipe network pressure, and discloses the method for partitioning the pipe network pressure through combination of the ant colony algorithm and the pressure similarity analysis. The method solves the problems that partitioning cost is extremely high and engineering practicability is not high due to the fact that according to a traditional method for partitioning water supply network pressure, generally, only the node pressure similarity is considered and the pipe network topological structure is not considered. The method includes the steps of firstly, setting up a full pipe network hydraulic simulating model; secondly, converting a water supply network topological graph into a depth-first forest, and dividing the depth-first forest into a sub-graph Gi and a sub-graph Gj; thirdly, optimizing the boundaries of the sub-graphs through the ant colony algorithm, and minimizing the pipe section joint between the sub-graphs; fourthly, conducting ...

Glue molding method

The invention discloses a glue molding method, which is used for fixing a carbon fiber product and a metal part by gluing, wherein the carbon fiber product is in a tubular shape. The method comprises: a step 1 of positioning, in which the carbon fiber product and the metal part are positioned, and the carbon fiber product internally forms a conveying air duct, and is provided with an air inlet nozzle which is connected with the conveying air duct; a step 2 of heating, in which by leading steam or hot wind into the conveying air duct through the air inlet nozzle,, the steam or the hot wind flows in the conveying air duct and heats the carbon fiber product so as to fix the carbon fiber product and the metal part through gluing for solidification cement; and a step 3 of cooling, in which thesolidification cement can be cooled by using water. The technical proposal of the method has the advantages of less heating energy consumption, staff operation conservation and cost reduction.

Cardia cancer prediction system

The invention relates to bioinformatics and biomedicine. The invention relates to the technical field of cardiac cancer prediction, and particularly relates to a cardiac cancer patient lifetime prediction method based on a neural network algorithm, and the method comprises the following steps: S01, data acquisition: obtaining clinical data of a cardiac cancer patient, clinical information such as age, gender, pathological subtype, TNM staging information, tumor diameter, operation, radiotherapy, chemotherapy, existence of malignant tumors and the like is used as original data; s02, data preprocessing: standardizing the continuous data to obtain standardized data; converting the classified data into dummy variables; s03, constructing a model: inputting the standardized data and the dummy variable data into a neural network model through an input layer, and performing data fitting through a hidden layer in the neural network model; outputting a group of numerical values between 0 and 1 through ...

Heat dissipation method of LED lamp and LED lamp adopting same

The invention relates to an LED lamp improved heat dissipation structure. The method and the structure mainly comprises: an LED component is attached on a heat dissipation part through a heat conduction base plate, the heat dissipation part and the LED component are together encapsulated in a glass shell which is filled with heat conduction medium gas; when the LED component gives out light, the heat emitted by the component is conducted to the heat conduction medium gas through the heat dissipation part, then conducted to the glass shell through the heat conduction medium gas and diffused outside by the glass shell. The heat dissipation structure can elastically enlarge the heat dissipation area according to the power of the LED component, and therefore the heat of the LED component can be released totally and quickly and uniformly dispersed to the low-temperature part of the glass shell for heat dissipation by means of the evaporation heat of heat superconduction media in a heat transfer ...

Method for producing product having non-conventional type shell formed by carbon fiber

The invention discloses a manufacturing method which is favor of using carbon fiber to form special-shaped shell. Foaming material with thermal shrinkage characteristic is adopted to prepare solid body, which is smaller than the product figure. Wind mouth is formed on the solid body and glue material with high temperature characteristic and no bonding with carbon fiber is coated on the outer surface of solid body to form a glue film layer. After carbon fiber layer is coated uniformly on the surface of glue film it is set in die to obtain carbon fiber special-shaped product. The invention is provided with simple preparation, low cost, easy formation for special-shaped product so as to lessen weight and increase density. The intensity of product with the same weight can be increased by 20%-40% and it is formed easily. It can satisfy the demand of preparing products with different figures.

LED (Light Emitting Diode) illuminating lamp

The invention discloses an LED (Light Emitting Diode) illuminating lamp, belonging to the technical field of illuminating lamps. The LED illuminating lamp disclosed by the invention comprises a lamp body and an installation seat. The lamp body is hinged onto the installation seat. An LED illuminating chip set and a radiator are installed in the lamp body. The LED illuminating lamp is characterized in that the installation seat comprises a connecting support and an installation chamber which are mutually connected, wherein the connecting support is provided with a first end surface and a second end surface; the installation chamber comprises a hinging part, a chamber part and a connecting part, and the first end surface or the second end surface of the connecting support can be fixedly connected with the connecting part of the installation chamber. Compared with the prior art, the LED illuminating lamp has the advantages that the structure is simple, scientific and reasonable and the like ...

Connecting support of LED (Light Emitting Diode) illuminating lamp

The invention discloses a connecting support of an LED (Light Emitting Diode) illuminating lamp, belonging to the technical field of illuminating lamps. The connecting support of the LED illuminating lamp is characterized in that the connecting support is provided with a first end surface and a second end surface, and the second end surface is provided with a hollow cylindrical raised part; an installation chamber of the LED illuminating lamp comprises a hinging part, a chamber part and a connecting part, and the first end surface or the second end surface of the connecting support can be fixedly connected with the connecting part of the installation chamber. Compared with the prior art, the connecting support of the LED illuminating lamp has the advantages that the structure is simple, scientific and reasonable and the like.

Method for pollinating honey-dew melons in tropical greenhouse by using honeybees

The invention provides a method for pollinating honey-dew melons in a tropical greenhouse by using honeybees and belongs to the agricultural field. The method comprises the following steps of: 1, pre-killing of insects in a greenhouse and ventilation treatment; 2, attraction and feeding of honeybees: choosing honeybee colonies of proper ages and attracting and feeding the honeybees through an inductive agent 3-5 days before pollination; 3, pollination: placing a beehive into the greenhouse, arranging the beehive at a position of 30-50 cm above the ground, controlling the temperature inside the greenhouse to be 15-25 DEG C and spreading a small amount of salt on the surface of a secondary cover of an internal layer of the beehive. The inductive agent is prepared from the following components in parts by weight: 10-20 parts of target plant nectar, 15-30 parts of target plant essential oil and 5-10 parts of water. The inductive agent is prepared by mixing nectar and essential oil, is non-toxic ...

Antigen combination for auxiliary diagnosis of tuberculosis and application and kit thereof

The invention discloses a group of fusion proteins for auxiliary diagnosis of tuberculosis. The fusion proteins comprise a 38KD-MPT32-MPT64 fusion protein, a CFP10-Mtb81-EspC fusion protein and an Ag85B-HBHA fusion protein. The fusion protein combination can be used for detecting the antigen-specific tuberculosis antibody in body fluid of a tuberculosis patient, and has the characteristics of high sensitivity, specificity and low cost for auxiliary diagnosis of tuberculosis. Meanwhile, the novel antigen combination provided by the invention can provide scientific reference for diagnosis and treatment of tuberculosis.

Method for measuring content of kaempferol p-coumadin acyl glucose rhamnoside in ginkgo leaves or relevant preparation thereof

The invention discloses a method for measuring the content of kaempferol p-coumadin acyl glucose rhamnoside in ginkgo leaves or a relevant preparation thereof. The method comprises the following steps of: measuring the kaempferol p-coumadin acyl glucose rhamnoside in the ginkgo leaves or the relevant preparation thereof as a test article by utilizing a high-efficiency liquid-phase color spectrum through using kaempferol p-coumadin acyl glucose rhamnoside as a comparison product under the condition of no negative disturbance; and calculating by using an external standard method to obtain the content of the kaempferol p-coumadin acyl glucose rhamnoside in the ginkgo leaves or a relevant preparation thereof. In the method, when a test article solution is prepared, hydrolysis is not needed, thereby overcoming the defects of inaccurate measurement result, time and labor waste, and the like in a hydrolysis process in the traditional measurement methods; and the method can accurately measure the ...

Boiled soup donkey meat and producing method thereof

The invention aims at providing donkey meat with delicious soup and a making method thereof, which can effectively overcome the problems of the insufficient taste and the poor quality of the present donkey meat with delicious soup. The solving technical scheme is that the donkey meat with delicious soup consists of two parts of the cooked donkey meat and the delicious soup. The cooked donkey meat is made from fresh donkey meat, salt, water, long-used soup and condiment. The delicious soup is made from the long-used soup, water, salt, sesame butter, inosinic acid, guanine phyosphate, konjak gum and proper amount of thickening. The making method is: cutting the fresh donkey meat into blocks at 0-4 DEG C according to the raw material ratio; immersing the fresh meat in water; drying the fresh meat in air until no dripping water is left; putting the dried fresh meat in a rolling-machine; adding salt for the salting and the reservation; adding water in a pot and other components; adding the salted ...

Combined type refrigeration and multi-connected air conditioning system

The invention discloses a combined refrigeration and multi-connected air conditioning system which is characterized in that a cold source system of the multi-connected air conditioning system, which is composed of two or more than two outdoor composite refrigeration modules is arranged outdoors; each outdoor combined refrigeration module is formed by compositing a first refrigerant vapor compression refrigeration cycle loop and a second refrigerant cycle loop; one or more direct evaporative indoor air cooler modules are arranged indoors, and a refrigerant storage and transmission unit is connected between each outdoor composite refrigeration module and the corresponding indoor air cooler module to form a closed cycle system through a liquid collecting pipe, a liquid supply main pipe and a return air main pipe. According to the combined refrigeration and multi-connected air conditioning system, the number of the indoor and outdoor modules is set according to the design heating loads of air ...

Automatic silicon carbide tube way forming device of material loading

Automatic silicon carbide tube way forming device of material loading is including automatic -mixing feed mechanism and silicon carbide tube way mould, automatic -mixing feed mechanism includes the installation frame, and the installation frame bottom is equipped with four landing legs, and the installation frame left side is rotated and is connected with left roller, and left roller is located silicon carbide tube and says mould directly over, and the installation frame right side is rotated and is connected with right roller, and the center pin transmission of left roller is connected with first motor, connects through the conveyer belt transmission between left roller and the right roller, installation frame rear side top is equipped with mixtures mechanism, and mixtures mechanism is including fixing the mixing bunker at installation frame right side top, the utility model discloses convenient operation, simple structure, level of mechanization be high, reduce artifical intensity of ...

Granular sludge generation promoting device and method suitable for continuous flow reactor

The invention provides a granular sludge generation promoting device and method suitable for a continuous flow reactor, the device comprises a left side baffle and a right side baffle which are spaced, and the inner side of the left side baffle is sequentially provided with a left side guide plate and a left side folded plate from bottom to top; a right guide plate and a right folded plate are sequentially arranged on the inner side of the right baffle from bottom to top; a gap is formed between the left side guide plate and the right side guide plate, and the gap is adjusted through an adjusting mechanism so as to control the sludge settling performance; a flow adjusting baffle capable of adjusting the angle is obliquely arranged on the right side baffle, and the residence time of the mixed liquid is controlled by controlling the adjusting angle of the flow adjusting baffle. The device can be directly installed in an existing continuous flow reactor, is suitable for converting flocculated ...

Backlight module and flat panel display

The invention discloses a backlight module and a flat panel display. The backlight module comprises a light guide plate, a plurality of light-emitting components, a medium and a positioning component, wherein the light guide plate comprises an incident light surface and an upper surface intersected with the incident light surface; each light-emitting component projects a ray from the midpoint to the incident light surface of the light guide plate; the medium is positioned on the upper surface of the light guide plate and positioned among the total reflection angles, of the incident light surface and the rays, in the light guide plate; and the positioning component is arranged corresponding to the upper surface. The positioning-against position is positioned on a proper position outside the total reflection angles, so that the contact surface of the positioning component and the light guide plate does not influence the reflection of the rays and does not damage the total reflection of the ...

Channel induction heating device of compact cross-shaped tundish

The present invention belongs to the technical field of continuous casting tundish heating, and relates to a channel induction heating device suitable for tundish reformation. The channel induction heating device is characterized in that a cross-shaped tundish is used; the induction heating device is located at the centre of the cross-shaped tundish; the induction heating device, an upper retaining wall and a lower retaining wall divide the cross-shaped tundish into a stream area, a distribution area and pouring areas, wherein the upper and lower retaining walls are both casted by fireproof materials, and built with the internal fireproof material in the tundish integrally; after entering the stream area via a long nozzle, molten steel flows into the distribution area via two heating channels at the bottom of the induction heating device; and the molten steel is led into the pouring areas at two sides via a guide hole in the lower retaining wall. The heating device can compensate the heat ...

Myrtle Polysaccharide P1, the Separation Method Thereof and the Use in Preparing Hypolipidemic Drugs Therefor

The invention discloses a myrtle polysaccharide P1, the separation method thereof and the use in preparing hypolipidemic drugs therefor, wherein the P1 contains 6.74% of ribose, 1.73% of rhamnose, 60.06% of arabinose, 3.54% of xylose, 5.64% of mannose, 13.16% of glucose, and 9.13% of galactose. The experiment result shows that the myrtle polysaccharide P1 has a certain ability to bind cholate in vitro. Taking cholestyramine as a positive control and the binding rate of cholestyramine to each cholate as 100%, the relative binding rate of the myrtle polysaccharide P1 to sodium taurocholate, sodium glycocholate and sodium cholate was 25.28%, 44.56%, and 50.10%, respectively. 1. A myrtle polysaccharide P1 , characterized in comprising the following monosaccharides by molar percentage: 6.74% of ribose , 1.73% of rhamnose , 60.06% of arabinose , 3.54% of xylose , 5.64% of mannose , 13.16% of glucose , and 9.13% of galactose.2. The myrtle polysaccharide P1 according to claim 1 , characterized in having a number average molecular weight of 6.44×10Da and a weight average molecular weight of 2.04×10Da.3. A method for separating and purifying the myrtle polysaccharide P1 according to claim 1 , characterized in comprising the following steps:(1) refluxing the myrtle fruit to obtain a crude myrtle fruit polysaccharide;{'sub': 2', '2, '(2) decolorizing the crude myrtle fruit polysaccharide by adding 30% HOsolution;'}(3) adding the decolorized polysaccharide to a Sevag reagent for deproteinizing to obtain a preliminary purified myrtle fruit polysaccharide;(4) packing a column with pretreated DEAE-Sepharose filler, dissolving the preliminary purified myrtle fruit polysaccharide in step (3) in deionized water, filtering with a 0.45 μm microporous membrane, and then applying to the column; eluting by distilled water, collecting the eluate, detecting the absorbance of the eluate at a wavelength of 490 nm by phenol-sulfuric acid method, stopping the collection when the absorbance is ...

Integral seismic exploration and detection device

The invention belongs to the technical field of seismic exploration, and particularly relates to an integral seismic exploration detection device which comprises at least two movable frames slidably arranged on a mounting seat, detectors are mounted on the side walls of the movable frames through mounting plates, and a control assembly for driving the movable frames to move and lock is arranged on the mounting seat; the control assembly comprises a rotating rod rotationally arranged in an inner cavity of the mounting seat, a worm wheel and a gear which are parallel to each other are arranged on a rod body of the rotating rod, and a rack meshed with the gear is arranged at the top of the mounting seat; a worm is rotatably arranged in an inner cavity of the mounting seat, a worm body of the worm is provided with the worm meshed with the worm gear in a transmission mode, and the lead angle of the worm is smaller than the equivalent friction angle between the worm and gear teeth of the worm ...

Prevent frock of big vacuum heat treatment of thin wall long tube spare in batches fish tail

The utility model discloses a prevent frock of big vacuum heat treatment of thin wall long tube spare in batches fish tail, include the material fork, the material is stuck and is equipped with the support of 3 groups, and a set of support at middle part is the fixed stay, and two sets of supports at both ends are the activity respectively to be supported, and 3 groups support the above -mentioned bracket of placing respectively, and the top of every bracket is equipped with a set of combination work or material rest respectively, and every group combination work or material rest is formed by the combination from bottom to top of 8 layered materials frame respectively, is equipped with 9 concave arcs of placing the long tube on every layered material frame. The problem of the big batch thermal treatment difficulty of traditional thin wall long tube is solved, simplify the production procedure, improved production efficiency, shown the requirement that has reduced the production place, reduced ...

LED lamp with improved radiation structure

Radiation temperature measurement method and device, electronic equipment and storage medium

The invention relates to the technical field of radiation temperature measurement, and provides a radiation temperature measurement method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a first diffuse reflection ratio according to a first azimuth angle of reflected light, a first zenith angle of the reflected light and a conversion coefficient; determining a second diffuse reflection ratio according to the first zenith angle, the conversion coefficient, a second azimuth angle of the incident light and a second zenith angle of the incident light; determining a third diffuse reflection ratio according to the first diffuse reflection ratio and the second diffuse reflection ratio; and determining the temperature of the measured object according to the third diffuse reflection ratio and set parameters. According to the invention, the third diffuse reflection ratio of any observation angle is measured, and radiation temperature measurement ...

Cerium sulfate chelated sulfur dioxide, a preparation method and a use thereof

The disclosure discloses cerium sulfate chelated sulfur dioxide, a preparation method and a use thereof. The cerium sulfate chelated sulfur dioxide has a molecular formula of Ce[SO4][SO2].2H2O. It is a white crystal and the preparation method thereof may comprise the following steps: adding anhydrous cerium sulfate to dilute sulfuric acid with stirring for dissolvation; adding a solvent followed by refluxing at 45-50° C. for 2.0-2.5 h; heating the reaction product to remove the solvent, cooling to 20° C. or lower, and adding dilute sulfuric acid to allow precipitation of all crystals; cooling down the product followed by suction filtration, washing the obtained crystals by the solvent, so that crude cerium sulfate chelated sulfur dioxide can be obtained. The solubility of the cerium sulfate chelated sulfur dioxide of the disclosure has been significantly improved compared to the anhydrous cerium sulfate. The obtained solution is colorless and transparent, so that the cerium sulfate chelated ...

Mixed loading attachment of silicon carbide tube way make -up machine

Mixed loading attachment of silicon carbide tube way make -up machine, including the installation frame, the installation frame bottom is equipped with four landing legs, and the installation frame front side is rotated and is connected with preceding roller, and the installation frame rear side rotates and is connected with the back roller, and the center pin transmission of preceding roller is connected with first motor, connects through the conveyer belt transmission between preceding roller and the back roller, installation frame rear side top is equipped with blend stock mechanism, and blend stock mechanism is including fixing the mixing bunker at installation frame rear side top, and mixing bunker's top is uncovered, and the discharge gate that is located directly over the conveyer belt is seted up to mixing bunker's bottom, is equipped with a plurality of mixing stirrer of group in the mixing bunker, the utility model has the advantages of being simple in structure and convenient ...

Ventilating structure of lavatory door

The utility model relates to a ventilating structure of a ventilation sheet, a lavatory door, which is composed of an upper clamping block, a lower clamping block, rail bars and a combining block. The utility model is characterized in that the ventilation sheet is composed of a male sheet and a female sheet which are provided with flanges and are fastened with each other, clamping strips are arranged at the upper end and the lower end of the ventilation sheet and are used for embedding the upper clamping block and the lower clamping block, rabbets which are provided with grooves are arranged at both sides of the upper clamping block and the lower clamping block, and the rabbets and the flanges of the ventilation sheet are respectively positioned in slots of the rail bars of both sides; thus, an integrative structure is formed. The utility model has the advantages of easy assembly and disassembly, orderly and beautiful appearance, and good ventilation effect.

P2P (Peer-to-Peer) mode based PSRD (Program Support Requirements Document) universal service resource discovery method

The invention relates to a P2P (Peer-to-Peer) mode based PSRD (Program Support Requirements Document) universal service resource discovery method, comprising the following steps of: carrying out hash operation on targets (names or descriptions of resources and IP addresses of nodes) through hash functions, wherein the result of the hash operation is an m-digit binary identifier ID which is respectively recorded as IDk=Hash (the names or the descriptions of the resources) and IDn=Hash (IP), and the value range of the IDn is [0, 2m-1]; arraying the IDn from 0 to 2m-1 into a circle according to a sequence from large to small so as to form distributed structuring network node rings, wherein each structuring network node ring stores a subsequent node; mapping a given target to a certain peering point of a network, wherein the peering point stores a (IDk, Value) pair, the IDk is a hash value of a resource to be searched, and the Value is the actual storage position of the resource to be searched ...

Gallium nitride base composite metal base plate for light-emitting diode (LED)

The invention discloses a gallium nitride base composite metal base plate for a light-emitting diode (LED). The composite metal base plate is made of copper-molybdenum alloy or silicon-aluminum alloy. The thermal expansion coefficient difference between the composite metal base plate adopting the copper-molybdenum alloy or silicon-aluminum alloy and a gallium nitride base LED chip is small, and the thermal stress is also small, so when the composite metal base plate is bonded with the gallium nitride base LED chip, the bonding yield is improved and the reliability is high; besides, the heat dissipation of the composite metal base plate is high, so the problem of quick heat dissipation of a high-power LED can be solved, and the service life of the LED can be prolonged.

Iron core-free winding device

An iron core-free winding device comprises a plurality of first windings and second windings arranged side by side and made of a conductive material, wherein each first winding extends from a first point and taking the first point as a center to spirally wind into a planar polygonal shape; and each second winding extends from a second point and taking the second point as a center to spirally windinto a planar rhombus or triangle shape approximately. In the invention, the first windings and the second windings are arranged side by side and embedded together, so that the existing wiring space can be effectively utilized; the ineffective area caused by line twisting and overlapping is avoided through adopting the concentrated winding mode; and a better electromagnetic effect is provided under the same wiring area.

Evaporative condenser

The utility model discloses an evaporative condenser, including the box, its characterized in that: the positive upper left corner of box is equipped with a little examines the door, the central authorities of box upper surface are equipped with the dryer, the below of dryer is equipped with the fan, the lower extreme is opened around the box has the ventilation window, the box left surface lower right corner is equipped with and sprays the pump, the left side that sprays the pump is equipped with the spray header, the upper end central authorities of box left surface are equipped with the nozzle. This evaporative condenser, possess unique structural style and efficient heat exchange performance, condensing temperature is than lower, good effects, therefore, the running power is little, power consumption is few, its advance operation principle and the good supporting device of trickle, the consumed energy that makes the cooling water also reduces, all materials all possess good anticorrosive ...

Process for briquetting oxidation pellets from laterite nickel ore

The present invention provides a process for briquetting production of oxidation pellets from low-grade laterite nickel ore. The process comprises: drying and crushing laterite nickel ore to obtain laterite nickel ore powder with a particle size of less than 3 mm; adding water and an additive to the laterite nickel ore powder, uniformly mixing to obtain a mixing material, and briquetting the mixing material into green pellets; and carrying out oxidation baking on the green pellets, and cooling to obtain the oxidation pellets. With the technical scheme, the low-grade laterite nickel ore can be utilized, and the briquetting process can be adopted to produce the oxidation pellets meeting the shaft furnace production indexes, such that the complete drying and pre-baking process produced by application of the pelletizing technology can be reduced, the heat energy consumption can be reduced, the oxidation pellets have high nickel content, and the added value is substantially increased.

Method for molding carbon fiber product

The invention discloses a method for molding a carbon fiber product, which comprises: a step 1 of processing an inner core body, in which a core body adaptive to the shape of the carbon fiber product is processed by adopting a foam material with the characteristic of thermal contraction; a step 2 of wrapping with an air bag, in which the outside of the core body is wrapped with an air bag, and an air inlet nozzle which is connected with the air bag is arranged; a step 3 of wrapping with a plurality of carbon fiber layers, in which the outside of the air bag is wrapped with a plurality of carbon fiber layers, and then the air bag is put into a die; a step 4 of heating curing, in which steam or hot air is led into the air bag through the air inlet nozzle for heating, the heating ensures that the inner core body shrinks, the shrinking ensures that a gap is formed between the air bag and the inner core body, the gap forms a conveying air duct, and the steam or the hot wind flows in the conveying ...

High-activity keto pantoic acid lactone reductase mutant as well as coding gene and application thereof

The invention discloses a high-activity keto pantoic acid lactone reductase mutant as well as a coding gene and application thereof. Relative to wild-type ketopantoic acid lactone reductase CviCPR as shown in SEQ ID NO: 1, the ketopantoic acid lactone reductase mutant disclosed by the invention has the following mutations on an amino acid residue at the 126 < th > site and/or an amino acid residue at the 215 < th > site: leucine L at the 126 < th > site is mutated into one of proline P, phenylalanine F, tyrosine Y and tryptophan W; and the 215th alanine A is mutated into one of aspartic acid D and glutamic acid E. The ketopantoic acid lactone reductase mutant provided by the invention can catalyze ketopantoic acid lactone with high activity and high stereoselectivity to prepare D-pantoic acid lactone, and a potential efficient biocatalyst is provided for industrial production of D-pantoic acid lactone prepared by a biological enzyme method asymmetric reduction route.

High-magnesium concretion agent for cold concretion ball pressing process and use method of high-magnesium concretion agent

The invention provides a high-magnesium concretion agent for a cold concretion ball pressing process. The high-magnesium concretion agent comprises the following ingredients by weight: 15 to 45 percent of magnesium oxide, 0.5 to 2 percent of calcium oxide, 15 to 45 percent of magnesium sulphate, 0 to 1 percent of silicon dioxide, 0 to 0.1 percent of aluminum oxide, and sulphur; the feeding quantity of the high-magnesium concretion agent is 2 to 6 percent of the total weight of a material. The concretion strength of the novel high-magnesium concretion agent is up to 1000 to 2000 N, so that the high-magnesium concretion agent is suitable for not only various materials containing iron, dust and mud, but also large particles of oxide scale or metallurgical powder of poor cohesiveness; dioxine pollution caused by a chlorine-containing concretion agent can be prevented; the raw materials of the high-magnesium concretion agent are highly available and low in price, so that the cost can be reduced ...

Method of rapidly judging survival state of mycobacterium paratuberculosis in milk and milk product by applying BLU-V PMA technology

The invention discloses a method of rapidly judging the survival state of mycobacterium paratuberculosis in milk and a milk product by applying a BLU-V PMA technology. According to an ISMAV2 genomic sequence (with the accession number of AF286339) of Map published by GenBank, a conserved sequence of the gene is selected, and a TaqMan fluorescence probe and a primer are designed; a BLU-V system, serving as a light source, is applied to a PMA technology, and a method of rapidly detecting Map live bacteria in the milk and the milk product is successfully established with the combination of the advantages of the fluorescence quantitative PCR technology. The method is simple to operate and is rapid and accurate.

Method for preparing thermal neutron absorption isolation block ceramic material

The invention relates to a method for preparing a thermal neutron absorption isolation block ceramic material. The method comprises the following steps: (1) putting 80 to 90 parts of boron carbide, 5 to 18 parts of carbon powder and 1 to 5 parts of sintering aid as raw materials in parts by weight in deionized water, wherein agate balls serve as grinding media; then, adding a binder and a dispersing agent to the deionized water, and performing ball-mill mixing; (2) performing constant temperature drying on slurry obtained in the step (1), sieving, manually pelletizing powder by adopting phenolic resin solution, and sieving the pelletized powder; (3) performing dry-pressing molding on composite powder amyloplastid in the step (2) to obtain a boron carbide ceramic biscuit with a specific shape; (4) putting the biscuit in a vacuum reaction sintering furnace for siliconing sintering, and machining and polishing to obtain a sintered boron carbide-based ceramic block. According to the method ...

Continuous aerobic granular sludge enrichment reflux device and operation method thereof

The invention discloses a continuous aerobic granular sludge enrichment and reflux device and an operation method thereof.The granular sludge screening and reflux device comprises a granular sludge screening and enrichment system and a reflux system, and the granular sludge screening system is mainly composed of a cyclone separator; the sludge-water mixed liquid in the continuous flow reactor is introduced into the cyclone separator, efficient generation and screening of granular sludge can be achieved, the backflow device is composed of a hydraulic piston pump, and positive pressure and negative pressure states are alternately formed in a cavity of the hydraulic piston pump through reciprocating motion of a piston. Check valves of a sludge suction pipeline and a sludge pressing pipeline are flexibly controlled under the alternate action of positive pressure and negative pressure, and the screened granular sludge is conveyed back into the continuous flow reactor on the premise that the ...

Rope traction type sun tracking device

The invention discloses a rope traction type sun tracking device which is mainly composed of a standing column, a first reel, ropes, a solar panel or a reflective mirror, a second hinged shaft, connecting beams, pulleys, a y-shaped support, a reel support, a first hinged shaft, an extension spring, a one-way rotating sensor, a second reel, a DC speed reducing motor, a flange, a two-way rotating sensor, etc. The rope traction type sun tracking device is characterized in that: the standing column and the y-shaped support are welding pieces, and the standing column is fixed a foundation via an anchoring flange; the y-shaped support is connected with the standing column via the first hinged shaft and can rotate around the first hinged shaft in a vertical plane; the two connecting beams are connected with the y-shaped support via the second hinged shaft and can rotate round the second hinged shaft; and the solar panel is fixed on the two connecting beams via bolts. The sun tracking device is ...

Novel preparation of artificial rock core device

The utility model discloses a novel preparation of artificial rock core device belongs to petroleum engineering technical field. The device includes: the base is provided with the cassette on it, thecassette is hollow cylinder shape, the base deviates from one side of cassette is provided with a plurality of support column, the mould, it includes that the cross section is a semicircular die, thecross section is the 2nd die of semicircular, a die the 2nd die's radius with the internal diameter of cassette equals, be provided with the heating resistor in the mould, the clamp, it is used for the card to establish on the mould, spring, its one end set up on the holding surface, the other end supports and leans on on the base, the support column part stretches into the spring inner circle, the bottom of support column with the holding surface has the clearance, shock dynamo, it is installed on the base, hydraulic system's output is provided with the clamp plate, the external diameter of clamp ...

Concrete bucket

The invention discloses a concrete bucket, comprising a suspension arm hinged with the concrete bucket, a bucket feed hopper, a bucket discharge hopper, a discharge hopper door, an undercarriage which enables the bucket to be horizontally placed when the bucket is fallen to the ground, and a system for remotely controlling the opening and closing of the hydraumatic discharge hopper door. With the help of the vertical transportation equipment on the on-site complex working face, the concrete bucket of the invention has simple, direct and flexible operation, can accurately reach to the corresponding construction part, and finish the feeding and discharging operations with reliable and stable operation; long-distance remote control operation and multipoint repeatedly material distribution are performed, thus greatly lowering the labor intensity of the constructors, and greatly improving the construction efficiency; machines and tools keep hooking continuous operation, the construction cost ...

Method for manufacturing gallium nitride-based LED (Light Emitting Diode) with vertical structure

The invention discloses a method for manufacturing a gallium nitride-based LED (Light Emitting Diode) with a vertical structure. The method comprises the following steps of: (1) extending an n-type semiconductor layer and a p-type semiconductor layer on a sapphire substrate in sequence to form an LED wafer, performing metal evaporation on the surface of the LED wafer and treating in a nitrogen atmosphere at the temperature between 200 DEG C and 400 DEG C for 1-10 minutes to form a p electrode, and partitioning the LED wafer into independent LED chips; (2) evaporating gold layers on the upper surface and the lower surface of a composite metal substrate respectively, wherein the composite metal substrate is made of a copper-molybdenum alloy or an aluminum-silicon alloy; (3) reversely welding the independent LED chips obtained in the step (1) onto the upper surface of the composite metal substrate respectively; (4) stripping substrates of the LED chips; and (5) manufacturing an n-type electrode ...

CERIUM SULFATE CHELATED SULFUR DIOXIDE, A PREPARATION METHOD AND A USE THEREOF

The disclosure discloses cerium sulfate chelated sulfur dioxide, a preparation method and a use thereof. The cerium sulfate chelated sulfur dioxide has a molecular formula of Ce[SO4][SO2].2H2O. It is a white crystal and the preparation method thereof may comprise the following steps: adding anhydrous cerium sulfate to dilute sulfuric acid with stirring for dissolvation; adding a solvent followed by refluxing at 45-50° C. for 2.0-2.5 h; heating the reaction product to remove the solvent, cooling to 20° C. or lower, and adding dilute sulfuric acid to allow precipitation of all crystals; cooling down the product followed by suction filtration, washing the obtained crystals by the solvent, so that crude cerium sulfate chelated sulfur dioxide can be obtained. The solubility of the cerium sulfate chelated sulfur dioxide of the disclosure has been significantly improved compared to the anhydrous cerium sulfate. The obtained solution is colorless and transparent, so that the cerium sulfate chelated sulfur dioxide can be used as a better titrant with wide application and supreme performance.

Method for measuring and assessing alternating-current resistance of windings of magnetic elements with air gaps

The invention relates to a method for measuring and assessing the alternating-current resistance of windings of magnetic elements with air gaps. The method comprises the following steps of removing the air gaps so as to obtain magnetic elements without the air gaps; winding air gap equivalence windings along the original air gap positions; enabling the widths of the air gap equivalence windings to be equal to the widths of the corresponding air gaps; keeping distribution of magnetic fields in windows of the windings of the magnetic elements unchanged before and after equivalence according to the principle that the magnetomotive force of the air gap equivalence windings can equivalently replace an air gap magnetic pressure drop effect; performing short-circuiting on ports of the air gap equivalence windings; measuring alternating-current resistance of two ends of an exciting winding of each magnetic element without air gaps by using alternating-current impedance measurer at the two ends ...

Concrete bucket

The invention discloses a concrete bucket, comprising a suspension arm hinged with the concrete bucket, a bucket feed hopper, a bucket discharge hopper, a discharge hopper door, an undercarriage which enables the bucket to be horizontally placed when the bucket is fallen to the ground, and a system for remotely controlling the opening and closing of the hydraumatic discharge hopper door. The inventive undercarriage is respectively connected to the bucket body and the discharge hopper. The hydraumatic system and a remote-control and so on are mounted in a steel frame boundary of the undercarriage. The steel frame has no barrier at a discharging opening of the discharging hopper, which not only ensures that when the bucket is arranged in a flat ground it is convenient to feed for the vehicle and to discharge at the discharging opening, but also prevents the discharging hopper, the hydraumatic system and the remote control device and so on from damaging caused by collision with other objects ...

VISUAL REAL-TIME INTERACTION METHOD AND SYSTEM FOR SOFTWARE DEFINED NETWORKING

An embodiment of the present disclosure provides a visual real-time interaction method for software defined networking (SDN). According to this method, a visual interface is established for the SDN. The visual interface includes at least one first node indicative of a port of a switch and at least one second node indicative of a port of a service provider. The first node and the second node are distributed on at least one stack hub. A connection is established between the first node and the second node. The connection has a curvature different from a curvature of the stack hub, and at least an extension line of the connection intersects with the stack hub. A location corresponding to the port of the switch and a location corresponding to the port of the service provider and an attribute of the connection are determined according to the connection.

Tetrafluoroethylene and perfluoroalkyl vinyl ether copolymer composition and preparation method thereof

The invention discloses a tetrafluoroethylene and perfluoroalkyl vinyl ether copolymer composition which comprises the following components by weight parts: 3.5-7 parts of a tetrafluoroethylene monomer, 1 part of perfluoroalkyl vinyl ether and 0.02-0.06 part of an initiator. The invention further discloses a preparation method of the copolymer composition. The preparation method has the advantages of being simple in process, environment-friendly and suitable for large-scale industrialized production, a solvent is recyclable, and the obtained tetrafluoroethylene and perfluoroalkyl vinyl ether copolymer composition has the advantages of being good in ageing resistance and excellent in mechanical property and processing property.

Tobacco mobile phone ordering method

The invention discloses a tobacco mobile phone order method, comprising that: a client uses mobile phone wap interface to login an order website and enter into an order platform of the website after password verification; according to relative information input interface provided by the order platform, the client inputs information to complete an order; a message platform of the website sends an order payment message to the mobile phone of the client; the message platform of the website sends an order message to a logistic distribution center to distribute articles. The inventive order method has large information amount, visual, clear, simple and fast process, can improve efficiency and can reduce sale and transportation cost.

Long-term bending creep test device and method

The invention relates to a long-term bending creep test device and method. A weight hanging table is hung at one end of a cross beam through a movable hook, the other end of the cross beam is connected with a supporting column through a movable hinge, a digital display dial indicator is fixedly installed on a base, lower pressing head sliding rails are symmetrically and fixedly installed on the two sides of the base, and lower pressing heads are slidably installed on the lower pressing head sliding rails; a sample fixing device is fixedly installed on the lower pressing head, an upper pressing head sliding rail is fixedly installed on the cross beam, and an upper pressing head is installed on the upper pressing head sliding rail in a sliding mode. The device realizes load amplification through the lever principle, is small in occupied space, good in stress stability, low in cost and convenient to operate, can adapt to various shapes and sizes of samples such as flat plates, round bars, ...

Photo resistance pumping spraying; reconnaissance circuit and its system

The present invention relates to a photoresist pump sprayed detection circuit. It includes a firest relay coupled with an electromagnetic valve for detecting operation state of said electromagnetic valve, a second relay which is coupled with said first relay, regulated and can be closed because said first relay is closed; a sensor for inspecting operation state of a component, a third relay which is coupled with sensor, in which said sensor is regulated and can be used for providing a signal to activate said third relay, and the second relay can be tripped because said third relay is closed, and a fourth relay which is coupled with first relay and second relay, in which when said first relay is tripped and said second relay is closed, said fourth relay is closed.

Walk core type numerical control lathe's automatic receiving device

The utility model relates to a walk core type numerical control lathe's automatic receiving device sets up in numerical control lathe's discharge end, and this receiving device includes the cylinder of a material receiving pipe, fixed mounting material receiving pipe's material receiving pipe seat, the motion of drive material receiving pipe seat and set up the terminal material receiving box at material receiving pipe, material receiving pipe is whole to be the rear end formula setting that has a down dip. The cylinder is connected with mechanical valve through the trachea, and this machinery valve setting is equipped with the cam with this machinery valve contact on the camshaft on the camshaft that numerical control lathe took certainly. The utility model has the advantages of it is following: 1 )The full -automatic material that connects, product and waste residue separation need not sort the waste residue, reduce operating personnel, and raise the efficiency, 2 )A single product connects ...

P2P (Peer-to-Peer) mode based PSRD (Program Support Requirements Document) universal service resource discovery method

Method for producing natural vanillin through biological conversion method

The invention discloses a method for producing natural vanillin by a biotransformation method, which comprises the following operations: after vanillin producing bacteria are fermented and cultured, antioxidant producing bacteria are supplemented for co-culture, so that on one hand, the vanillin is prevented from being oxidized, and on the other hand, the yield of the vanillin is increased according to the competitive growth characteristic of the bacteria. According to the invention, the vanillin is firstly converted into glucose vanillin by adding glucosyltransferase into the fermentation liquid, so that the glucose vanillin is protected, excessive oxidation is avoided, and the method plays an important role in improving the yield of the vanillin.

Heat radiator for LED lamp

The invention discloses a heat radiator for an LED lamp and belongs to the technical field of heat transmission. The heat radiator for the LED lamp is characterized by comprising a heat radiator body, a light source panel mounting surface and a power source module mounting surface. The heat radiator body comprises a light source panel heat absorption panel, a power source module heat absorption panel and heat radiation fins, wherein the heat radiation fins are connected with the heat absorption panel and the power source module heat absorption panel. The light source panel mounting surface is arranged on the heat radiator body and on one side of the light source panel heat absorption panel, and the power source module mounting surface is arranged on the heat radiator body and on one side of the power source module mounting surface. Compared with the prior art, the heat radiator for the LED lamp has the advantages of simple structure, reliability in performance, good heat radiation effect ...

Power distribution system anomaly detection method and device, storage medium and computer equipment

The invention discloses a power distribution system anomaly detection method and device, a storage medium and computer equipment. The method comprises the steps that input vectors are determined according to time sequence data of a power distribution system in a time window, the length of the time window is seven days, and each input vector corresponds to one day in the seven days; the input vectors are input into corresponding day-level attention networks, day-level time feature vectors are obtained, and each day-level attention network corresponds to one day in seven days; a part of vectors in the day-level time feature vectors are input into a weekly-level attention network to obtain weekly-level time feature vectors, and the part of vectors are output by different networks in the day-level attention network; according to the day-level time feature vector and the week-level time feature vector, the abnormal probability of the power distribution system at the target moment is predicted ...

Pneumatic tamping machine of silicon carbide tube way make -up machine

Pneumatic tamping machine of silicon carbide tube way make -up machine, including cylinder body and piston rod, the cylinder body sets up perpendicularly, and the piston rod slides from bottom to top to insert and establishes in the cylinder body, and the piston rod upper end is equipped with the piston, and the piston outer fringe is connected with cylinder body inner wall sliding seal, and piston center department axial is equipped with the through -hole, is equipped with the open inner chamber in upper end in the piston rod, and lower end of the piston rod is equipped with the tup, be equipped with automatic reciprocating device in the cylinder body, be equipped with the relief valve on the cylinder body, the utility model discloses convenient operation, level of mechanization be high, reduce artifical intensity of labour, improve production efficiency.

Novel interface for public bicycle

The invention discloses a novel interface for a public bicycle. The novel interface comprises a bicycle frame, wherein a connecting rod is fixed on the bicycle frame; covering rubber is arranged on the outer layer of the connecting rod; an L-shaped rod is connected to the connecting rod; a bicycle borrowing and returning interface is arranged at the top end of the L-shaped rod; a memory alloy is arranged in the L-shaped rod. The memory alloy is a titanium-nickel memory alloy. According to the public bicycle interface which is made from a new material, the interface is in the shape same to that of a normal public bicycle, but differently the novel interface is mainly made from the titanium-nickel memory alloy which has a memory function. Therefore, the interface which is deformed due to an irregular returning action of a last user can return to the original shape on the basis of the memory function of the titanium-nickel memory alloy material of the interface when the bicycle is taken out ...

Display device

The invention discloses a display device which comprises an inner frame, a display panel and an outer frame, wherein the inner frame is provided with a support part extending inwards; the display panel is configured on the support part and is provided with two base plates and frame glue arranged between the two base plates; the inner frame and the display panel are covered by the outer frame; the outer frame is provided with a fixed part extending above the display panel, and a light shading part extending out from the end of the fixed part; the fixed part is contacted with the display panel, and the end of the fixed part connected with the light shading part is positioned just above the frame glue of the display panel; the light shading part extends above the area surrounded by the frame glue; and the light shading part is separated from the display panel at a certain distance. The display device can prevent light leakage.

Heat dissipation device for LED lamp

The invention relates to a heat dissipation device for an LED lamp. The heat dissipation device comprises a conical surface body made of a high thermally-conductivity material, wherein the side wall of the conical surface body is step-shaped; and one side of the conical surface body is provided with a reflective surface for assembling LED luminous assemblies. A heat dissipation structure of the heat dissipation device can flexibly enlarge the heat dissipation area along with the quantity and the power of the LED luminous assemblies; and thus the heat dissipation structure can completely release the heat of the LED luminous assemblies. The heat dissipation device of the invention can be made of light sheet metal materials with excellent heat dissipation effect; if the heat dissipation device is applied to an LED glass bulb, the glass bulb is not broken easily; and if the heat dissipation device is applied to a metal or a plastic lampshade, the weight and the volume of the whole lamp are ...

Human body temperature measuring device and method

The invention relates to the technical field of radiation temperature measurement, and provides a human body temperature measuring device and method. The device comprises a radiation temperature measurement device used for detecting a target radiation parameter of a temperature measurement object; the constant-temperature heater is connected with the radiation reference source and is used for heating the radiation reference source; the data acquisition module is respectively connected with the radiation temperature measurement equipment and the radiation reference source and is used for acquiring a target radiation parameter of a temperature measurement object and a reference temperature and a reference radiation parameter of the radiation reference source; and a body temperature detection module connected with the data acquisition module and used for determining the body temperature of the temperature measurement object according to the target radiation parameter, the reference temperature ...

Shell structure for flame tube of aircraft engine

The invention relates to a shell structure for a flame tube of an aircraft engine. The shell structure comprises a reinforcing ring of a shell of the flame tube, a fixed ring, a fixed hook, a front air inlet cone, a front section of the shell of the flame tube, an air inlet hopper, a rear section of the shell of the flame tube and a rear mounting edge of the flame tube, wherein the front section of the shell of the flame tube and the rear section of the shell of the flame tube are connected into a whole by welding so as to form the shell of the flame tube, and the reinforcing ring of the shell of the flame tube is welded at the front end of the front section of the shell of the flame tube so as to form an inner mounting edge of the front air inlet cone. The rear mounting edge of the flame tube is welded at the rear end of the rear section of the shell of the flame tube; the air inlet hopper is welded in a long circular hole punched at the front section of the shell of the flame tube; the ...

Two-stage concentrated water treatment less-drug self-regulation nanofiltration coupling system and use method thereof

The invention relates to a two-stage concentrated water treatment less-drug self-regulation nanofiltration coupling system and a use method thereof, and belongs to the technical field of water treatment. According to the invention, the problems of high chemical agent dependence, high operation energy consumption and large maintenance demand of the existing membrane method water treatment technology taking nanofiltration as a core are solved. Comprising a water inlet tank, a drop aeration tower, a self-driven ecological membrane ultrafiltration tank, a nanofiltration water inlet tank, a first-section nanofiltration membrane assembly, a nanofiltration water production tank, an ion exchange membrane electrolysis reactor, a ceramic membrane assembly, an alkali liquor storage tank, an acid liquor storage tank, a nanofiltration concentrated water adjusting tank, a second-section nanofiltration membrane assembly and a salt water tank. A concentrated water interface of the first-section nanofiltration ...

Antibody combination for detecting mycobacterium lipid arabinomannan as well as application and kit thereof

The invention discloses an antibody combination for detecting mycobacterium lipid arabinomannan as well as application and a kit thereof, and relates to the field of biological detection. According to the present invention, screening and identification are performed by using various types of samples, the capture antibody suitable for LAM antigen capture and the detection antibody suitable for LAM antigen detection are determined, the dominant antibody combination for LAM antigen detection is formed, the high detection sensitivity and the high specificity are provided, and the application prospect is wide. The kit can be used for detecting LAM antigens in body fluids such as purified LAM, mycobacterium tuberculosis standard strains, clinical isolates, pleural effusion and plasma, a new antibody combination and a new method are provided for LAM antigen detection, and a new method and a new kit are provided for auxiliary diagnosis of active tuberculosis.

Drinking water defluorination device and use method thereof

The invention discloses a drinking water defluorination device and a use method thereof.The drinking water defluorination device comprises a raw water lifting pump used for pumping raw water, the raw water lifting pump is connected with a pipeline mixer through a pipeline, the pipeline mixer is connected with a flocculant dosing device and a coagulant aid dosing device through pipelines, and the output end of the pipeline mixer is communicated with a flocculation precipitation device through a pipeline; the bottom end of one side wall of the middle water tank is connected with a middle lifting pump through a pipeline, the output end of the middle lifting pump is connected with a filtering device through a pipeline, the water outlet end of the filtering device is connected with a clear water tank through a pipeline, and the bottom end of one side of the clear water tank is connected with a water supply pump through a pipeline. The device is simple in defluorination process, small in occupied ...

Method for reducing lactic acid fermentation byproduct succinic acid

The invention relates to a method for blocking generation of a fermentation byproduct succinic acid by adding an isocitrate lyase specific inhibitor in a lactic acid fermentation process. The specific inhibitor comprises one or a composition of more of methyl glycolate, dimethyl malonate, diethyl hydroxymalonate, ethyl 3-nitropropionate, mercuric chloride or 5, 5 '-dithiobis (2-nitrobenzoic acid), and can effectively reduce the content of succinic acid in lactic acid.

Cavity device of blackbody radiation source

The invention discloses a cavity device of a blackbody radiation source. A cavity body comprises a first cavity and a second cavity, wherein the first cavity and the second cavity are respectively of a cylinder-cone shape; one end of the opening of the first cavity is provided with a cylindrical cavity, and the bottom of the cylindrical cavity is provided with a conical cavity; one end of the opening of the second cavity is provided with a cylindrical cavity, and the bottom of the cylindrical cavity is provided with a conical cavity; and the cylindrical cavity of the second cavity is internally provided with a heat insulating plate. According to the invention, the cavity of the blackbody radiation source is designed as a dual cylinder-cone inner cavity, and the temperature uniformity of the cavity is ensured; high emissivity materials are sprayed and coated on the wall of a long cylinder-cone inner cavity, thus a blackbody cavity is formed, and the acquisition of high cavity effective emissivity ...

Calibration method for measurement of magnetic core loss

The invention relates to a calibration method for measurement of the magnetic core loss. A DC/AC inverter circuit is adopted as a testing circuit and an excitation source, a calibration inductor with the known loss serves as a tested part of the testing circuit, the DC input power of the testing circuit is measured under excitation, the inherent loss of the testing circuit is obtained by subtracting the known loss of the calibration inductor from the DC input power, a formula of the inherent loss is set up according to the inherent loss characteristic of the testing circuit, coefficients in the formula are fitted out according to the inherent loss of the testing circuit, an inherent loss calibration model of the testing circuit is formed, and the loss of the actual tested part is obtained by subtracting the inherent loss of the testing circuit from the DC input power of the testing circuit when the actual tested part is measured. The method not only improves the measurement precision of ...

Bacterial strain for producing NMN and construction method and application thereof

The invention belongs to the field of biotechnology and biochemical engineering, and provides a construction method of a bacterial strain for producing NMN, the bacterial strain constructed according to the method and utilization of the bacterial strain. The construction method comprises the following steps: (1) constructing plasmids for expressing the following genes: a glucose 6-phosphate isomerase gene Pgi, a nicotinamide phosphoribosyltransferase gene Nampt and a PPP pathway gene, wherein the PPP pathway genes comprise a glucose-6-phosphate dehydrogenase gene Zwf, a 6-phosphogluconic acid lactonase gene Pgl, a 6-phosphogluconic acid dehydrogenase gene Gnd, a ribose-5 phosphate isomerase A gene RpiA, a ribose-5 phosphate isomerase B gene RpiB and a phosphoribose pyrophosphate kinase gene Prs; and (2) transforming the plasmid into escherichia coli, and screening a gene transformation positive strain. The recombinant escherichia coli constructed by the invention has the capability of efficiently ...

Corn sausage as principal food and its production method

A corn sausage as staple food is made up of fresh tender corn grains, meat, bean product and vegetables. Its advantages include rich nutrients and good enjoyment to eat it, and one sausage may be taken as one meal.

Ion sputtering film-plating machine

The invention relates to an ion sputtering film-plating machine, which belongs to an ion sputtering vacuum film-plating facility. The ion sputtering film-plating machine is designed for mainly solving the technical problems that existing ion sputtering film-plating machines are small in effective film-plating area, not easily controlled in film thickness uniformity, and poor in surface quality of plated films. The technical scheme of the invention is as follows: the ion sputtering film-plating machine comprises a vacuum chamber, a large valve, an ion source, an observation window of a multi-beam optical film thickness gauge, a high-vacuum pump, a heater, an ion neutralizer, a movable film-plating target and a rotating substrate holder, wherein the movable film-plating target is arranged at the bottom of the inside of the vacuum chamber and located below a film-plating fixture in the rotating substrate holder, the movable film-plating target can carry out a linear motion in the vacuum chamber ...

Silicon carbide tube says forming die

Silicon carbide tube says forming die, including outer die cylinder and the interior die cylinder that the coaxial line set up, including outer die cylinder cover is established on the die cylinder, shape moulding chamber between outer die cylinder and the interior die cylinder, interior die cylinder top is equipped with automatic even doffer, has seted up the expansion joint along axial direction on interior die cylinder 's the outer wall, is equipped with die cylinder 1 on interior die cylinder 's the inner wall, is equipped with three inter blocks footpath die cylinder 3 on interior die cylinder 's the inner wall, and the same and axial direction that follow interior die cylinder sets up three inter blocks footpath die cylinder 3 structure side by side, the utility model discloses convenient operation, simple structure, level of mechanization be high, reduce artifical intensity of labour, improved production efficiency.

Silicon carbide tube says wear -resisting elbow

Silicon carbide tube says wear -resisting elbow, including wear resistance bend pipe section and two straight tube sections, the both ends of wear resistance bend pipe section respectively with two straight tube section fixed connection, the wear resistance bend pipe section includes carborundum return bend and metal casing, the metal casing suit is at carborundum return bend outer wall, the carborundum return bend is connected an organic whole the festival by a plurality of silicon carbide tube and is made, it has seted up the slot to correspond on the outer wall that adopted two the adjacent junctions of silicon carbide tube between the festival, be equipped with the locating pin that corresponds adjacent two silicon carbide tube the festival location in the slot, all be equipped with the one deck coat of paint on the inner arc wall of all silicon carbide tube festival, use the centre of a circle of keeping away from the carborundum return bend as the outside, be fixed with high temperature ...

Automatic even doffer of silicon carbide tube way forming die

Automatic even doffer of silicon carbide tube way forming die, including braced frame, the last circular shape containing tray that is equipped with of braced frame, containing tray's outer fringe is equipped with annular baffle, has evenly seted up a plurality of discharge gates on the baffle, and containing tray's center department has seted up the round hole, and containing tray rotates through the bearing of assembly in the round hole and is connected with the pivot, and the upper end of pivot is fixed with the circular shape carousel, and the carousel outer fringe evenly is equipped with a plurality of arc knees along the circumferencial direction, the lower extreme transmission of pivot is connected with power drive mechanism, this device simple structure, level of mechanization be high, can self -supporting automatic uniform blanking.

Stereoscopic scanning device

The invention provides stereoscopic scanning equipment which is used for detecting the surface profile of an object. The stereoscopic scanning equipment comprises an illumination light source, a first elliptical opening part, a reference pattern generating part, a second elliptical opening part and a light receiver. The illumination light source is used for outputting illumination light. The reference pattern generating member generates a reference pattern using the illumination light and projects the reference pattern to the object through the first elliptical opening portion. The light receiver receives a detection pattern from the object through the second elliptical opening portion so as to obtain the surface profile by using the difference between the reference pattern and the detection pattern.

Fermentation method of beta-phenethyl alcohol

According to the fermentation method, yeast is used as a production strain for fermentation of beta-phenethyl alcohol, during the growth period of thalli, a carbon source is continuously fed at a constant speed, the ethanol concentration and the OUR are monitored on line in the process, the OUR is rapidly increased to 3-7 mol/L/h from a low level in the fermentation process at the stage, and the yield of the beta-phenethyl alcohol is increased to 3-7 mol/L/h. Thalli can be quickly accumulated to a proper concentration; when the thallus concentration is accumulated to a target concentration, L-phenylalanine is added for fermentation, and a carbon source is supplemented according to conditions. The method provided by the invention can effectively recover the substrate phenylalanine, improve the production efficiency of beta-phenethyl alcohol and reduce the production cost, and has an industrial production prospect.

Three-dimensional scanning calibration device and method

The invention provides a three-dimensional scanning calibration device and a three-dimensional scanning calibration method. The three-dimensional scanning calibration device comprises a housing; the calibration unit can rotate relative to the shell, the calibration unit comprises a first acting surface and a second acting surface, the first acting surface and the second acting surface face the light outlet, and the second acting surface is located below the first acting surface; wherein the shell is arranged at the tail end part in a sleeving manner, and the projection, on the plane where the light outlet is located, of the first acting surface and the projection, on the plane where the light outlet is located, of the second acting surface are at least partially not overlapped. The three-dimensional scanning calibration device and method are used for overcoming the shadow problem of a scanned image of an optical scanning device, and the subsequently formed three-dimensional scanned image ...

Nitrilase and application thereof in synthesis of 2-hydroxy-4-methylthiobutyric acid

The invention discloses a nitrilase and an application of the nitrilase in synthesis of 2-hydroxy-4-methylthiobutyric acid. The amino acid sequence of the nitrilase disclosed by the invention is as shown in SEQ ID NO: 2, and the amino acid sequence of a mutant of the nitrilase is as shown in SEQ ID NO: 6. The nitrilase can efficiently catalyze 2-hydroxy-4-methylthio butyronitrile to generate 2-hydroxy-4-methylthio butyric acid, particularly, the substrate conversion rate of the mutant KvNLE-P168M reaches 99%, the production efficiency of the product 2-hydroxy-4-methylthio butyric acid reaches 7.4 kg/kgDCW/h, and the nitrilase has important industrial application value for green and efficient preparation of methionine hydroxyl analogues.

Multi-beam thick optical film monitor

The invention relates to a multi-beam thick optical film monitor and belongs to a device for monitoring an optical coated film in real time. The multi-beam thick optical film monitor mainly solves the technical problem that according to an existing optical film thickness monitor, the number of monitoring points is small, the monitoring precision is low, and the monitoring efficiency is low. According to the technical scheme, the multi-beam thick optical film monitor comprises a monochrometer, a photoelectric detector, a signal amplifier, a control computer, a position trigger circuit and a convergent lens and further comprises a halogen tungsten lamp, a rotary photochopper, at least three optical fiber light paths and a base plate support, wherein the rotary photochopper is arranged on a rotary tray and can rotate with the lamp filament of the halogen tungsten lamp as the center, each optical fiber light path is composed of a lens and optical fibers, the base plate support is arranged below ...

A cantilever installation device for silicon carbide tube says make -up machine

A cantilever installation device for silicon carbide tube says make -up machine, including solid fixed cylinder, column spinner and cantilever, solid fixed cylinder installs and says the left side of the frame of make -up machine at silicon carbide tube, solid fixed cylinder's central line along vertical direction setting, the lower tip of column spinner passes through the bearing and rotates and connect in fixed cylinder admittedly, is equipped with first bolt gu fixed cylinder improves level, and the inner of first bolt is passed behind the solid fixed cylinder and to be coordinated with the outer wall roof pressure of column spinner, and first bolt outer end is equipped with the hand (hold). The utility model discloses convenient operation, level of mechanization be high, reduce artifical intensity of labour, improve production efficiency.

Anti-human CD137 antibody and application thereof

The invention discloses an anti-human CD137 antibody and application thereof, and relates to the technical field of biological medicines. The invention provides a novel anti-human CD137 antibody, the antibody can be crossly combined with monkey CD137, has a strong activation characteristic on human T cells, is named as cloned BXMD12, has a unique variable region sequence, is combined with CD137-CRDI + CRDII + CRDIII regions, has blocking activity on combination of natural ligand receptors of CD137 molecules, and is a blocking type antibody, eukaryotic expression and purification batch preparation of the whole antibody are realized, and the monoclonal antibody has a wide application prospect. The method can be used for preparing a reagent or a kit for detecting human or monkey CD137. The anti-human CD137 antibody provided by the invention can efficiently and synergistically stimulate activation and proliferation of T cells in function, is particularly used for activating amplification of ...

Reflective arc type isolation groove for high-voltage LED

The invention discloses a reflective arc type isolation groove for a high-voltage LED and belongs to the field of semiconductor devices. The isolation groove is a reflective layer located between a first LED chip and a second LED chip and below an interconnected electrode and provided with a Bragg structure. The reflective layer is composed of three or more isolation layers with the same structural mode. The first isolation layer located at the bottom is composed of a left portion, a bottom portion and a right portion, wherein the left portion, the bottom portion and the right portion are sequentially connected from left to right. The included angle alpha between the left portion and the bottom portion and the included angle beta between the right portion and the bottom portion are both obtuse angles. The Bragg reflective structure is adopted by the isolation groove and the included angles between the two sides and the bottom portion are obtuse angles, so that light, emitted to the portion ...

Pichia yeast for expressing chymosin as well as construction method and application thereof

The invention discloses pichia yeast for expressing chymosin as well as a construction method and application thereof. The recombinant pichia yeast is a recombinant bacterium used for expressing the chymosin obtained by introducing a chymosin gene into the pichia yeast. A nucleotide sequence of the chymosin gene is sequence 1 in a sequence table. The invention also discloses the construction method of the recombinant pichia yeast. The recombinant pichia yeast can be used for producing calf chymosin.

Prediction system for small cell lung cancer

The invention relates to bioinformatics and biomedicine. The method for predicting the lifetime of the small cell lung cancer patient based on the neural network algorithm comprises the following steps: S01, data acquisition: acquiring clinical data of the small cell lung cancer patient, the age, the gender, the medical history of malignant tumors, the specific part of the tumor in the lung, the T stage of the tumor, the N stage of the tumor, the M stage of the tumor, the stage of the tumor, the diameter of the tumor, whether an operation is carried out or not, whether radiotherapy is carried out or not and whether chemotherapy is carried out or not are used as original data of prediction indexes; s02, data preprocessing: standardizing the continuous data to obtain standardized data, and classifying the data into dummy variables; s03, constructing a model: inputting the standardized data and the dummy variable data into a neural network model through an input layer, and performing data ...

CORDYCEPS MILITARIS MEDIUM POLYSACCHARIDE, METHOD FOR SEPARATING AND PURIFYING SAME, AND USE THEREOF

A medium polysaccharide, a method for separating and purifying same, and the use thereof, wherein the polysaccharide comprises the following monosaccharides in mole percentages: 0.11% ribose, 0.11% rhamnose, 0.45% arabinose, 0.13% xylose, 14.50% mannose, 83.96% glucose, and 0.73% galactose. The extraction method does not affect the biological activity of the medium polysaccharide P1; the obtained purified polysaccharide P1 has high purity and stable properties, and has significant effects on resistance to oxidation, lowering uric acid and bacteriostasis, which are beneficial to human metabolism; due to the low cost, the purified polysaccharide P1 can be further used in the development of health products, drugs and cosmetics. 1Cordyceps militaris. A medium polysaccharide , characterized by comprising the following monosaccharides in mole percentages: 0.11% ribose , 0.11% rhamnose , 0.45% arabinose , 0.13% xylose , 14.50% mannose , 83.96% glucose , and 0.73% galactose.2Cordyceps militaris. The medium polysaccharide according to claim 1 , characterized by having an average molecular weight of 2.18 k Da.3Cordyceps militaris. The medium polysaccharide according to claim 1 , characterized by comprising sulfate groups claim 1 , pyranose rings and alpha-glucosidic bonds.4Cordyceps militaris. A method for separation and purification of the medium polysaccharide according to claim 1 , comprising the following steps:{'i': Cordyceps militaris', 'Cordyceps militaris', 'Cordyceps militaris, '(1) extraction of the medium polysaccharide: drying the rice medium leftovers, pulverizing and sieving same to obtain a dry powder of the leftovers; weighing the dry powder and adding 15-16 times distilled water by mass into same, performing an ultrasonic treatment for at least 30 min, performing a reflux extraction at 70° C. for 1.5 h-2.0 h, pooling the extract solutions after several extractions, and filtering the pooled extract and concentrating same to obtain a polysaccharide concentrate; ...

Double-water-output cylindrical integrated water purifier

Disclosed is a double-water-output cylindrical integrated water purifier. A clean water flow channel, a pure water branch flow channel and a waste water bypass flow channel are further provided in the base, and a clean water outlet in communication with the clean water flow channel is provided at a side of the base; the pure water flow channel is communicated with the clean water flow channel via the pure water branch flow channel, and a second check valve for controlling water to flow into the clean water flow channel unidirectionally is disposed in the pure water branch flow channel; the waste water outlet end face is further communicated with the clean water flow channel via the waste water bypass flow channel, and a third check valve for controlling water to flow into the clean water flow channel unidirectionally is disposed in the waste water bypass flow channel.

Cordyceps militaris medium polysaccharide, method for separating and purifying same, and use thereof

A Cordyceps militaris medium polysaccharide, a method for separating and purifying same, and the use thereof, wherein the polysaccharide comprises the following monosaccharides in mole percentages: 0.11% ribose, 0.11% rhamnose, 0.45% arabinose, 0.13% xylose, 14.50% mannose, 83.96% glucose, and 0.73% galactose. The extraction method does not affect the biological activity of the Cordyceps militaris medium polysaccharide P1; the obtained purified polysaccharide P1 has high purity and stable properties, and has significant effects on resistance to oxidation, lowering uric acid and bacteriostasis, which are beneficial to human metabolism; due to the low cost, the purified polysaccharide P1 can be further used in the development of health products, drugs and cosmetics.

Method for detecting content of active ingredients of compound sophorae flavescentis radix injection and fingerprint spectrum thereof

A method for detecting the content of active ingredients of a compound Sophorae flavescentis radix injection and the fingerprint spectrum thereof. The method comprises using high performance liquid chromatography to perform detection, wherein the high performance liquid chromatography is operated under the condition of a C18 chromatographic column, and active ingredients comprise matrine, oxymatrine, macrozamin, sophocarpine, oxysophocarpine, sophoridine, or/and piscidic acid. The present method is an improved method for performing detection on a compound Sophorae flavescentis radix injection, by means of same, seven ingredients in the compound Sophorae flavescentis radix injection can be simultaneously determined, and a chromatographic fingerprint spectrum can be constructed, thereby providing a technical method for quality control of a compound Sophorae flavescentis radix injection.

一种奥贝磨球自动成型生产设备

本实用新型涉及一种奥贝磨球自动成型生产设备，包括输送轨道，在输送轨道上方安装有浇注机，浇注机的浇注输出口从输送轨道上方一侧伸出，在输送轨道的该侧外沿平行于输送轨道的方向按间距设置有多个浇注位，形成一条浇注线，每个浇注位均安装有一钢模支座，在钢模支架上安装有上定模和下动模，在合模状态下，两模之间构成多个磨球成型腔，在上定模和下动模内设置有浇道，连通磨球成型腔及上定模上端，在浇道上方设有浇口杯；在浇注机移至与浇注位对正位置，浇注输出口与浇口杯上下衔接；在每个浇注位对应于下动模的下方均安装有溜板，溜板朝远离对应输送轨道的方向外倾斜设置，在溜板下方设有输送机。本设备保证了产品的浇注质量、具有较高生产效率。

一种便于携带的折叠剪纸包装盒

本实用新型公开了一种便于携带的折叠剪纸包装盒，所述包装盒体一边端部连接有连接插板，所述包装盒体内部与连接插板对应位置处连接有连接插槽，所述连接插板外侧端部连接有固定端板，所述固定端板内侧边部嵌入安装有固定薄铁板，所述安装嵌槽内部嵌入安装有第三连接磁条，本实用新型结构科学合理，使用安全方便，通过连接插板、连接插槽、固定端板、固定薄铁板、安装嵌槽和第三连接磁条使包装盒体在进行拆分时变得更加简便，同时拆分后的包装纸盒占用空间小，使人们在对拆分后的包装盒体进行携带时更加方便，且该连接和拆分方式通过固定薄铁板和第三连接磁条来对包装盒体的边部进行约束，不仅连接牢固，同时可多次使用。

A method for preparing biomimetic composite hydrogels and their application