SILICATHALTIGER PHOSPHOR, ITS PRODUCTION AND OF IT USE MAKING SHINING DEVICE

Recovering waste foam polystyrene by gel foam remoing method and regenerating foamable polystyrene

High boiling point (higher than 100 deg.C) mixed solvent is added to PSF waste for gelatinized defoaming, which is then extruded from air-exhausting screw extruder for prilling, while the solvent is recovered. After the obtd. granules are crushed and screened, they are placed in an autoclave, and liquid foaming agent is added so as to form EPS beads through spheroidization. This invention can defoam the waste on site to save transportation of dispersed wastes. The produced EPS beads may be used as sandwiched core board, float, thermal insulation and packaging according to their quality grades.

Vertical-type furnace for alpha-HgI2 single crystal growth and growth method of alpha-HgI2 single crystal

The invention relates to the technical field of alpha-HgI2 single crystal growth, in particular to a vertical-type furnace for alpha-HgI2 single crystal growth and a method using the furnace to realize the growth of alpha-HgI2 single crystal. The invention aims at solving the problems of complicated temperature control system, high production cost, seed crystal demand and considerable damage of single crystal caused by processing in the prior art. The technical scheme currently adopted is a vertical-type furnace for alpha-HgI2 single crystal growth and a method using the furnace to realize the growth of alpha-HgI2 single crystal, comprising the following steps: sheathing a cylinder quartz vacuum insulation layer and a hearth in turn on a base plate of the furnace body, separating a cylinder chamber between the quartz vacuum insulation layer and the hearth into an upper chamber and a lower chamber by a heat insulation ring, setting heating devices in the upper chamber and the lower chamber ...

Automatically controlled fully penetrating well water pumping simulator

The invention relates to a fully penetrating well water pumping simulator applied to teaching trial, which overcomes shortages of big volume, trivial experiment operation and inaccurate experimental data, etc. The measures are as follows: the automatically controlled fully penetrating well water pumping simulator comprises a pedestal 1 which is provided with a mechanical simulation system and an electrical control system connected with the mechanical simulation system; the mechanical simulation system is composed of an annular conducting ring 2, a conducting bearing rod 3, a groove-shaped feeling arm 4, a driving motor 5, a feeling arm motor 6, a position sensor 7, a mark pole sensor 8, a driving screw rod 10, a vernier 11, a probe 12, a probe groove 13 and an angle mark pole 14; the electrical control system is composed of a display module 16, a data result storing module 17, an alternative signal generating module 18, a motor driving module 19, an analog-to-digital conversion module20 ...

MULTIPURPOSE WATERPROOF BAG

THe present invention relates to an improved multipurpose waterproof bag. The bag body is made up by compounding waterproof material alone or with other soft material, so it is durable. The said bag has its lifting belts firmly connected to the bag body, which enables it to bear beavy load during shopping.

METHOD AND SPECIAL APPARATUS FOR EXTINGUISHING FIRE AND PREVENTING BLOWOUT BY SEALING AND DRAINAGE

This fire-extinquishing method is different from existing passive ones, and its special apparatus is also different from existing one by using valve in its novel structure, which provides a fully-new functional tool for the implementation of enchosing drainage method. An enclosing drainage pipe system offers a new means for preventing and extingushing fire in oil well or oil depot. Its advantages include simple implementation, low cost, no environmental damage and convenience for post treatment.

SILICATE-CONTAINING LUMINESCENT MATERIAL,ITS MAKING METHOD AND THE LIGHT-EMITTING DEVICE USING THE SAME

A silicate-containing luminescent material which can be excited by the light source ranging from UV to green region, especially useful for white and multi-colour light-emitting device and its making method are disclosed. The luminescent material can emit the light from blue to red, and its common formula is aMO·bM'O·SiO·cR: xEu· yLn·z Lv·δLm, wherein, M is one or more kinds of elements selected from Sr, Ca, Ba and Zn; M' is one or more kinds of elements selected from Mg, Cd and Be; R is one or two components selected from BO and PO; Ln is one or more kinds of elements selected from Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn and Pb; Lv is one or more kinds of elements selected from Cl, F, Br, I, S; Lm is one or more kinds of elements selected from Li, Na and K.22325 © KIPO & WIPO 2009 ...

Silicate phosphor and its manufacture method as well as light-emitting device using the same

The invention relates to an ultraviolet to green light region silicate phosphor capable of being excited by radiation light source and its manufacturing method, particularly to white and multicolor systems light-emitting device. The material has luminous color in the range from blue to red color system. The essential composition of the phosphor is aMO.bMO.SiO2.cR:xEu.yLn.zLv.Lm, wherein M is an element or a combination of elements selected from the group consisting of Sr, Ca, Ba and Zn; M is an element or a combination of elements selected from the group consisting of Mg, Cd and Be; R is one or two of B2O3 and P2O5; Ln is an element or a combination of elements selected from the group consisting of Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn and Pb; Lv is an element or a combination of elements selected from the group consisting of Cl, F, Br, I and S; Lm is an element or a combination of elements selected from the group consisting of Li, Na and K.

A biological ecological composite treatment device for rural sewage treatment

The utility model discloses a biological ecological composite treatment device for rural sewage treatment, reinforce preliminary treatment pond, aeration tank and the ecological pool including the anaerobism of separating each other, establishing ties in proper order, the preliminary treatment pond that the preliminary treatment pond includes three mutual intercommunication is reinforceed to the anaerobism, is linked together with the aeration tank, be equipped with combined packing in the aeration tank, the tee bend honeycomb duct runs through to combined packing bottom and blast aeration ware mutual disposition, the aeration tank ecological pool of intercommunication, the ecological pool includes two mutual serial connectivity's the sub - pool, and every sub - pool includes all that the shallow water wetland is distinguished and the deep water wetland is distinguished, and the deep water wetland district of going up the alien pool sets up floats a swash plate sediment composite set, terminal ...

Video camera tail circuit connector

The invention discloses a video camera tail circuit connector which comprises a socket body and a plug body connected with the socket body in a matched mode. The socket body comprises an RJ45 interface and a socket shell, wherein a fixture block is arranged at the front end of the socket shell. The plug body comprises an RJ45 plug and a plug shell. The plug shell comprises a connecting piece, a waterproof ring and a waterproof cap, wherein a clamping groove corresponding to the fixture block is formed in the front end of the connecting piece; a plurality of fastening claws are evenly arranged at the rear end of the connecting piece along the circumference of the connecting piece, wherein a certain gap is formed between the fastening claws and an RJ45 cable; the waterproof ring is arranged between the fastening claws and the RJ45 cable, and the axial length of the waterproof ring is larger than the length of each fastening claw; an external thread is arranged at the position, close to the ...

Device capable of performing aeration of deep water through wind energy and performing surface hydroponic type aeration through solar energy

The invention discloses a device capable of performing the aeration of deep water through wind energy and performing surface hydroponic type aeration through solar energy. The device comprises a wind-energy deepwater aeration system and a solar-energy surface hydroponic type aeration system, wherein the wind-energy deepwater aeration system comprises a wind wheel, a steering gear connected with the wind wheel, and a speed increaser, the wind wheel transfers wind kinetic energy to the speed increaser through the steering gear, and the speed increaser drives an air blower to be communicated with an aeration pipe in an aeration pond through a drain pipe, to realize deepwater aeration; the solar-energy surface hydroponic type aeration system comprises a solar energy cell plate which is connected with an integrated control system, and the integrated control system is connected with a hydroponic machine; an output shaft of a motor in the hydroponic machine is connected with a hydroponic blade ...

PROCESS FOR CONTINUOUS ONE-STEP SYNTHESIS OF POLYCARBONIC ESTER

... 本发明是关于光气化－界面缩聚合成聚碳酸酯连续化工艺研究，是“一步法合成聚碳酸酯”发明（申请号８５１０２７６９）方法的发展。用前发明的配方和技术原则，将光气的有机溶液及含催化剂和分子量调节剂的双酚碱性水溶液，经混料器入节流混合管式反应器进行连续生产。当ｄω≥３０厘米2／秒，各节流锐孔处ｄω≥１６０厘米2／秒（ｄ为管内径，ω为料流线速度），料流停留时间～８０秒时，产物平均分子量３．５万，Ｍｗ／Ｍｎ～１２４，残留双酚３２０±２０ｐｐｍ。本法易于反馈自控。 ...

RNA (Ribonucleic Acid) interference carriers of RSV (Rice Stripe Virus) and RBSDV (Rice Black-Streaked Dwarf Virus) as well as construction method and application thereof

The invention relates to RNA (Ribonucleic Acid) interference carriers of RSV (Rice Stripe Virus) and RBSDV (Rice Black-Streaked Dwarf Virus) as well as a construction method and application thereof, belonging to the technical field of biology. The invention establishes RNA interference carriers pMCG161+/-D and pCMBIA1301+/-D of the RSV by using sequences shown as SEQ ID NO1. The invention provides an interference virus gene expression carrier for plant disease-resistant gene engineering as well as a construction method and application thereof and provides a new concept for the application of a transgenic technology and RNA interference in biological resistant breeding. By transplanting the carrier to rice, a virus-resistant plant is successfully acquired, the expected target of obtaining a RSV and RBSDV-resistant rice new material according to the principle of RNA interference is realized, a successful example is provided for plant resistant breeding and gene engineering of RNA interference ...

Bucket-wheel stacker-reclaimer conveying belt tensioning device and control method

The invention provides a bucket-wheel stacker-reclaimer conveying belt tensioning device and a control method, and relates to the technical field of bucket-wheel stacker-reclaimers. The conveying belt tensioning device of the bucket-wheel stacker-reclaimer comprises a tensioning oil cylinder, an oil cylinder seat, a tensioning transmission mechanism, a hydraulic station and an electric control unit. According to the tensioning device for the conveying belt of the bucket-wheel stacker-reclaimer and the control method, when the bucket-wheel stacker-reclaimer is in the stacking working mode or the reclaiming working mode, the conveying belt ascends or descends along with the bucket-wheel stacker-reclaimer, the conveying belt shortens or extends in the horizontal direction, tensioning of the conveying belt can be automatically adjusted in real time without shutdown, and the belt is prevented from falling off; in addition, through cooperation of a hydraulic control reversing valve, a safety ...

High-efficiency high-power-factor two-way AC/DC converter

The invention discloses a high-efficiency high-power-factor two-way AC/DC converter. The high-efficiency high-power-factor two-way AC/DC converter is controlled through a high-performance DSP chip, and sampling circuits are used for sampling voltages and currents on the AC side and DC side. After entering a DSP, sample data are subjected to analog-digital conversion firstly and then are processed according to an algorithm edited in advance, so that the PWM duty ratio is adjusted. PWM passes through a driving circuit, controls MOS transistors and adjusts output; if the sample data are abnormal, it shows that the circuit fails; at the moment, all the MOS transistors can be blocked, and the circuit can be protected. Through the high-efficiency high-power-factor two-way AC/DC converter, the efficiency reaches above 90 percent, and the power factor reaches above 0.97. The high-efficiency high-power-factor two-way AC/DC converter is fast in dynamic response and can protect the circuit when overcurrent ...

Rhopalosiphum padi GAPDH reference gene partial sequence, cloning method and application

The invention relates to a rhopalosiphum padi GAPDH reference gene partial sequence, a cloning method and an application, belongs to the field of molecular biology, and particularly relates to a rhopalosiphum padi reference gene GAPDH with a nucleotide sequence represented in SEQ ID No.1. The obtained nucleotide sequence of the rhopalosiphum padi reference gene GAPDH (999bp) can be used as reference genes for research of rhopalosiphum padi function genes or gene expressions at different development stages as well as relative levels of expressions of viruses in the nucleotide sequence when being used as a virus transmission medium in future.

Method for simulating and displaying global crustal structure on digital earth software platform

The invention discloses a method for simulating and displaying a global crustal structure on a digital earth software platform, which comprises the following steps: deriving spatial information and attribute information of a crustal grid unit from a CRUST 1.0 global crustal model; generating a crustal grid unit top surface model; generating a three-dimensional solid model of a geophysical layer in the crust; establishing a global crustal model multi-dimension expression mechanism based on a level-of-detail (LOD) model; and performing model displaying and three-dimensional analysis on the digital earth software platform. The method of the invention has advantages of simple realizing process and high automatic degree. The generated global crustal model has advantages of abundant information, high interactive performance, high visual effect, and easy distribution, easy integration and easy sharing on the national Internet. The method for simulating and displaying the global crustal structure ...

Intellectual information service system of a new product research and development full life circle based on cloud manufacturing

The invention discloses an intellectual information service system of a new product research and development full life circle based on cloud manufacturing. The intellectual information service system comprises an enterprise information collecting and tracking service sub-system, a patent information service sub-system, a sci-tech novelty retrieval management sub-system, a standard management sub-system, an industrial technology intelligence personnel collaborative integration service sub-system and an intellectual management service sub-system which are based on cloud manufacturing. One-stop uniform management is carried out on intellectual information required by the new product research and development full life circle, the working load and cost are reduced, efficiency is improved, the data sharing performance is good, errors are unlikely to be caused, and the use effect is more ideal.

Deep plugging agent containing wood dust and gel

The deep wood chip gel plugging agent is used in water injecting well to plug the high penetrating band in thick oil stratum to lower ineffective water circulation. The deep plugging agent consists of high molecular weight anionic polyacrylamide of molecular weight over 19 million and hydrolysis degree of 25-30 % 0.15-0.5 wt%, phenol compounded polyamine 0.1-0.3 wt%, resorcinol 0.01-0.02 wt%, oxalic acid 0.1-0.2 wt%, wood chip 0.5-2.5 wt% and water 96.48-99.14 wt%, which are compounded into water solution of 0.86-3.52 wt% water solution. The present invention has low use concentration, controllable gel forming time and viscosity, low cost and simple compounding process.

Foreign fragment flanking sequence of transgenic rice line Kefeng No. 8 containing sck/cry1Ac bivalent insect-resistant gene and use

The invention relates to a flanking sequence for a foreign inserting fragment of a transgenic rice line Kefeng No. 8 harboring sck/crylAc double insect resistance genes and application thereof, which belong to the field of biotechnology. A flanking sequence of a 5' end is shown in SEQ ID NO1, and a flanking sequence of a 3' end is shown in SEQ ID NO2. The flanking sequence is utilized to design aspecific primer for the augmentation of target DNA, which can establish sensitive and specific qualitative and quantificational PCR detection of the line specificity of the rice line Kefeng No. 8.

Method for previewing mobile phone multi-screen desktops

The invention relates to a method for previewing mobile phone multi-screen desktops. The method comprises the following steps of: 1, setting a gesture presetting module in a mobile phone for setting a condition of starting interface preview; 2, setting a gesture induction module in the mobile phone for sensing an action of shaking the mobile phone by a user; 3, setting a gesture judgment module in the mobile phone for judging whether the action of shaking the mobile phone by the user meets the preset condition or not; 4, setting an interface previewing module in the mobile phone, so that when the action of shaking the mobile phone by the user meets the preset condition, the mobile phone previews all pages on one screen; and 5, clicking a desktop or an icon needing to be previewed by the user, and displaying contents of the desktop or icon in a full screen mode by the mobile phone. The method overcomes the disadvantage of multiple operation steps of multi-screen display mobile phones, all ...

Pharmaceutical composition and preparation method thereof

The invention relates to a pharmaceutical composition and a preparation method thereof. On one hand, the traditional Chinese medicine composition in the tablet form is prepared from the following traditional Chinese medicinal materials and a proper amount of auxiliary materials according to a weight ratio: 24 to 30g of pollen typhae, 17 to 21g of plant soot, 0.1 to 0.5 ml of fennel oil, 390 to 475g of herba leonuri, 24 to 30g of radix rehmanniae praeparata, 24 to 30g of rhizoma sparganii, 24 to 30g of folium artemisiae argyi (charcoal), 73 to 89g of rhizoma corydalis, 146 to 178g of rhizoma cyperi, 73 to 89g of radix paeoniae alba, 24 to 30g of radix aucklandiae, 24 to 30g of fructus psoraleae, 24 to 30g of fructus evodiae, 73 to 89g of rhizoma chuanxiong, 24 to 30g of rhizoma curcumae and 24 to 30g of radix angelicae sinensis. The invention further provides a method for preparing the tablets and pharmaceutical application of the tablets. The tablet can be clinically used for regulating ...

Different-industry joint financial right and interest safety management system

The invention relates to the technical field of financial right safety management, in particular to a different-industry joint financial right safety management system. The system comprises a data acquisition module which is used for obtaining a first graph embedding vector matrix and a second graph embedding vector matrix based on transaction data in a historical time period; the initial key acquisition module is used for acquiring each first feature vector corresponding to the first graph embedding vector matrix and a feature value corresponding to each first feature vector, obtaining a corresponding suitability according to the similarity and the feature value between each first feature vector and other first feature vectors, and further determining an initial key; and the target key acquisition module is used for acquiring each second feature vector corresponding to the second graph embedding vector matrix, and acquiring a target key according to the similarity between each first feature ...

Processes for recycling waste polystyrene foam

Lock core

The invention relates to a lock core comprising a lock shell, a lock liner and a plurality of groups of hoodle assemblies, wherein the hoodle assemblies are arranged in the lock shell and the lock liner; each group of hoodle assemblies comprises offsetting springs, flat beads and hoodles, the side walls of the hoodles are provided with alveolar sockets; the hoodle assemblies are separated into two rows at a certain included angle; the lock liner positioned between the two rows of the hoodle assemblies is provided with an arc-shaped groove; the arc-shaped groove is provided with an arc-shaped transverse sheet; the transverse sheet is provided with bits meshed with the alveolar sockets of the hoodles positioned on corresponding positions when a key is inserted to unlock; one side of the transverse sheet, which towards a lock shell hole of the lock shell, is provided with a lug boss; and the lock shell hole of the lock shell is provided with a slide notch which corresponds to the lug boss.

Internal stress soaking testing machine of plastic product

The invention provides an internal stress soaking testing machine of a plastic product, relates to the field of detecting instruments and apparatus for laboratories, and aims at overcoming the defect that the existing internal stress soaking test of the plastic product can only be operated by a manual manner. The testing machine comprises a product transfer cage, a solvent vessel, a flushing device, a first time relay for controlling the timing of the soaking time, and a second time relay for controlling the timing of the flushing time; the product transfer cage is arranged above the solvent vessel and the flushing device and is driven through a vertical driving mechanism to move in the vertical direction so as to extend into/ be lifted away from the internal part of the solvent vessel or a flushing area of the flushing device; the vertical driving mechanism is driven through a first horizontal driving mechanism to move in the horizontal direction so as to drive the product transfer cage ...

Biological and ecological combined processing device used for processing rural sewage

The invention discloses a biological and ecological combined processing device used for processing rural sewage. The biological and ecological combined processing device comprises an anaerobic strengthening preprocessing pool, an aeration tank and an ecological pond, wherein the anaerobic strengthening preprocessing pool, the aeration tank and the ecological pond are separated and sequentially connected in series. The anaerobic strengthening preprocessing pool comprises three communicated preprocessing pool bodies and is communicated with the aeration tank. Combined fillers are arranged in the aeration tank, a three-way flow guide pipe extends to the bottom of the combined fillers and is opposite to an air blasting aeration device, and the aeration tank is communicated with the ecological pond. The ecological pond comprises two sub-ponds communicated in series. Each sub-pond comprises a shallow water wet region and a deep water wet region. The deep water wet region of the upstream sub-pond ...

Large-scale ring rolling machine proportion servo-control system

The invention discloses a large-scale ring rolling machine proportion servo-control system which belongs to the technical field of high-precision electrohydraulic servo control. The large-scale ring rolling machine proportion servo-control system comprises a five-axle control system which is formed by a radial rolling control system, an axial rolling control system, a follow-up stand control system, a centering roller rolling control system and a conical roller rotate speed control system; through the theoretical position setting and the actual position detection of radial rolling, axial rolling, a follow-up stand, a centering roller, and the like, a five-axle closed-loop position control system is formed by taking the theoretical sizes of an outer circle, an inner circle and the height of a ring member and the linear velocity of the outer circle of the loop member as target values and the detection values of the core roller position, the conical roller position, the follow-up stand position ...

Device for drying and decomposing excess sludge by using straw as filler without turning

The invention discloses a device for drying and decomposing excess sludge by using straws as filler without turning. The device comprises a grooved structure (2), a water-permeable and air-permeable base plate (4), a water-permeable and air-permeable hole (5), a straw mat layer (3) and a straw stack (1), wherein the grooved structure (2) is a square or rectangular structure built on the ground (7); the water-permeable and air-permeable base plate (4) is arranged at the upper part of the bottom of the grooved structure (2) higher than the ground (7); the water-permeable and air-permeable base plate (4) is used for forming a ventilation area (6) with the ground (7); the water-permeable and air-permeable hole (5) is formed in the water-permeable and air-permeable base plate (4); the straw mat layer (3) is paved on the water-permeable and air-permeable base plate (4); the straw stack is vertically erected on the straw mat layer (3). The device disclosed by the invention has the characteristics ...

Red light-emitting material and light emitting device using same

The invention relates to a red light-emitting material. The constitution formula of the light-emitting material is M[a+b](Al[1-beta]Abeta)gammaO[1.5gamma+a]D2b:xEu.yMn.zLn.deltaLm, wherein M is one ormore of elements including Mg, Ca, Sr, Ba and Zn; A is one or more of elements including Y and Gd; D is Cl or/and F which are element irons; Ln is one or more of various element ions including Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sn, Lu, Sb, Tb and Pb; Lm is one or more of various element ions including Li, Na, K and Ag; and a, b, beta, gamma, x, y, z and delta are mole coefficients. The invention is a composite aluminate light-emitting material which can be excited by a excitation light source from ultraviolet to green light and can be taken as the light conversion material used for manufacturing the white series and the red series of light emitting devices including an LED.

Tool for overhauling severe working conditions

The utility model discloses a tool for overhauling under severe working conditions. The positioning device comprises a positioning sleeve, a clamp is arranged on the positioning sleeve; the lower endof the extension sleeve is fixedly connected with the clamp; the upper end of the extension sleeve is hinged with the handle body of the movable handle; one end of the movable handle is connected withthe upper portion of the U-shaped clamp, the lower portion of the U-shaped clamp is fixedly connected with the upper end of the pull rod, the pull rod and the extension sleeve are arranged side by side, the lower end of the pull rod is connected with the movable wedge, the pressing wedge is installed on the clamp and tightly attached to the movable wedge, and the movable wedge moves along with the pull rod to drive the pressing wedge to press parts. A traditional maintenance mode is changed, the valve element can be checked and replaced more quickly, operation is simplified, auxiliary work such ...

Novel key and matched lock of novel key

The invention relates to a novel key. The novel key is provided with a handle portion and an insertion portion which can be inserted into a key hole of a lock. The insertion portion is in a board shape. The novel key is characterized in that at least one board face of the insertion portion is provided with two curve-shaped track grooves which are crossed. The track grooves can enable transition locking parts to cross the middle axis of the key hole from one side of a lock cylinder and move to the other side of the lock cylinder, and therefore offenders can not use a vibration key to open the lock. The invention further relates to the lock matched with the key. The lock comprises a lock shell and the locking cylinder, and the locking parts are arranged between the lock cylinder and the lock shell and can float inside and outside the interface; a plurality of special-shaped balls are arranged inside the lock cylinder in a floating mode; roughly the middle parts of the special-shaped balls ...

Water -jetting valve

The utility model provides a water -jetting valve, includes the disk seat, be equipped with the cavity that holds liquid in the disk seat, the cavity is equipped with intercommunication external liquid outlet, inlet and opening, be equipped with in the cavity and constitute the sealed complex piston that slides with the opening, the piston downside is equipped with the guide way that is used for communicateing liquid outlet and inlet, the piston upside is equipped with the rack, be equipped with black light lamp on the disk seat, the black light lamp end is equipped with the gear, wheel and rack constitutes the meshing cooperation for control piston's displacement, the black light lamp connection control host computer, be equipped with anti - rotary die piece in the main control system forcontrol gear's positive and negative rotation.

Control damping method applied to the resonance inhibition of LLCL single-phase grid connected inverter

The invention discloses a control damping method applied to the resonance inhibition of an LLCL single-phase grid connected inverter. The method comprises the steps of connecting resonance inhibition capacitors Cds at two ends of a filter capacitor Cf of an LLCL filter resonance inhibition branch circuit in parallel, and using a current icd flowing by the resonance inhibition capacitors Cds as a feedback control signal, wherein the feedback control signal is added into a control system of the grid connected inverter after being adjusted by a control damping adjuster. According to the control damping method applied to the resonance inhibition of the LLCL single-phase grid connected inverter, the loss and temperature rising problems of an element damping method are effectively solved, the resonance peak of the LLCL filter in the medium frequency band can be effectively inhibited, the filter performance of the LLCL filter is improved, the grid connected waveform and the harmonic content of ...

Extruder reduction gearbox state monitoring system based on digital twinning

The invention discloses an extruder reduction gearbox state monitoring system based on digital twinning. The system comprises a data sensing module, an equipment networking module, a storage module, a state monitoring module, an intelligent analysis module and a digital twinning module. According to the invention, the problems of authenticity and high fidelity of the digital twin model of the gear transmission system are effectively solved. In order to solve the problems that an existing extruder is complex in fault, high in fault rate, small in fault data size and the like, real-time data, a gear dynamic model and a performance degradation model are fully combined, a digital twin model is constructed, and then a multi-degree-of-freedom gearbox fusion dynamic model is constructed. Existing and to-be-collected fault data are corrected to the expert model, powerful data support is provided, and a hybrid model for state monitoring and service life prediction of the extruder reduction gearbox ...

Eu<2+> activated wlkeite luminescent material and preparation method thereof

The invention relates to an Eu<2+> activated wlkeite luminescent material and a preparation method thereof. The chemical general formula of the luminescent material is (Sr1-aMa)5[(P0.67,Si0.33)O4]3:Eu2+x, Lny, Xz, wherein M is one of Ca and Ba, 0<=a<0.5; Ln is at least one of Ce3+, Sn2+, Pr3+ or Dy3+ and X is one or both of F<-> and Cl<->; and x, y and z are molar coefficients, 0.001<=x<0.5, 0<=y<0.2 and 0.1 Подробнее

Method for controlling Pichia pastoris to ferment to produce antibacterial peptide by utilizing dissolved oxygen parameters

The invention relates to a method for controlling Pichia pastoris to ferment to produce an antibacterial peptide by utilizing dissolved oxygen parameters, and belongs to the technical field of biological engineering. The method comprises the following steps of: (1) calibrating the percent of dissolved oxygen (DO) to obtain a fermentation medium; (2) simultaneously marking the percent as a 0 pointand starting to ferment; (3) when the value of the DO is up to above 50 percent from 10 percent below, starting to feed methanol until the value of the DO falls back to 10 to 30 percent; stopping feeding the methanol; when the value of the DO is stably up to over 50 percent again, starting to feed the methanol again until the value of the DO falls back to 10 to 30 percent; stopping feeding the methanol; operating circularly; and controlling the value of the DO to be maintained between 10 and 30 percent all the time by feeding the methanol, adjusting ventilation and controlling a rotation speed; ...

Artificial spnthesized American pokeberry root antivirus protein gene PAPs, expression carrier and its recombination engineering bacteria

RNA (Ribonucleic Acid) interference carriers of RSV (Rice Stripe Virus) and RBSDV (Rice Black-Streaked Dwarf Virus) as well as construction method and application thereof

The invention relates to RNA (Ribonucleic Acid) interference carriers of RSV (Rice Stripe Virus) and RBSDV (Rice Black-Streaked Dwarf Virus) as well as a construction method and application thereof, belonging to the technical field of biology. The invention establishes RNA interference carriers pMCG161+/-D and pCMBIA1301+/-D of the RSV by using sequences shown as SEQ ID NO1. The invention provides an interference virus gene expression carrier for plant disease-resistant gene engineering as well as a construction method and application thereof and provides a new concept for the application of a transgenic technology and RNA interference in biological resistant breeding. By transplanting the carrier to rice, a virus-resistant plant is successfully acquired, the expected target of obtaining a RSV and RBSDV-resistant rice new material according to the principle of RNA interference is realized, a successful example is provided for plant resistant breeding and gene engineering of RNA interference ...

Backwashing filter

The utility model provides a backwashing filter, includes the disk seat, be equipped with the cavity in the disk seat, inlet, liquid outlet and drain that the cavity intercommunication was equipped with, drain the inner is equipped with V type spare, V type spare is reached by closing plate, baffle and constitutes with disk seat articulated pivot, closing plate and baffle reciprocal anchorage, theclosing plate is close to liquid outlet one side and is used for isolated drain and cavity, the baffle is close to inlet one side for isolated inlet and cavity, be equipped with the filter screen between drain and the liquid outlet.

Foreign fragment flanking sequence of transgenic rice line Kefeng No. 8 containing sck/cry1Ac bivalent insect-resistant gene and use

The invention relates to a flanking sequence for a foreign inserting fragment of a transgenic rice line Kefeng No. 8 harboring sck/crylAc double insect resistance genes and application thereof, which belong to the field of biotechnology. A flanking sequence of a 5' end is shown in SEQ ID NO1, and a flanking sequence of a 3' end is shown in SEQ ID NO2. The flanking sequence is utilized to design a specific primer for the augmentation of target DNA, which can establish sensitive and specific qualitative and quantificational PCR detection of the line specificity of the rice line Kefeng No. 8.

Side sequence of exogenous insert of transgene paddy strain Bt Shanyou 63

The invention relates to a side sequence of exogenous interpose fragments of transgene paddy rice line Bt SHANYOU 63. its 5' side sequence is shown as SEQ ID NO1 and its 3' side sequence is shown as SEQ ID NO2. The line specificity determine the nature and definite quantity PCR detection of sensitive idiosyncratic transgene paddy rice line Bt SHANYOU 63 is constructed by using side sequence as aim DNA amplification fragments.

SILICATE PHOSPHOR AND ITS MANUFACTURE METHOD AS WELL AS LIGHT-EMITTING DEVICE USING THE SAME

The invention relates to an ultraviolet to green light region silicate phosphor capable of being excited by radiation light source and its manufacturing method, particularly to white and multicolor systems light-emitting device. The material has luminous color in the range from blue to red color system. The essential composition of the phosphor is aMO.bM'O.SiO₂.cR:xEu.yLn.zLv.deltaLm, wherein M is an element or a combination of elements selected from the group consisting of Sr, Ca, Ba and Zn; M' is an element or a combination of elements selected from the group consisting of Mg, Cd and Be; R is one or two of B₂O₃ and P₂O₅; Ln is an element or a combination of elements selected from the group consisting of Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb, Mn and Pb; Lv is an element or a combination of elements selected from the group consisting of Cl, F, Br, I and S; Lm is an element or a combination of elements selected ...

Quick composting-drying method of residual sludge by taking straws as filler

The invention discloses a quick composting-drying method of residual sludge by taking straws as filler. The method comprises the following steps: (1) firstly, building a groove building, arranging a ventilating area at the bottom of the groove, arranging a permeable ventilating bottom plate above the ventilating area, and forming a permeable ventilating hole on the permeable ventilating bottom plate; (2) then, paving a straw cushion on the permeable ventilating bottom plate, uniformly arranging cone-shaped straw stacks on the straw cushion, wherein the distance between two stacks is 0.8-1.2m; and (3) introducing the residue sludge to the groove building for piling for 3-20 days to dry and compost the residue sludge. The method disclosed by the invention has the characteristics of energy conservation and consumption reduction, low investment, simple operating process, low energy consumption and operating cost, fast speed and the like. In the sludge treatment process, the waste rice straws ...

Novel lock head

The invention relates to a novel lock head, which comprises a lock head shell and a lock cylinder, wherein a first mounting hole is axially formed in the lock head shell; the lock cylinder is rotatably arranged in the first mounting hole; a key hole enabling a key to insert is formed in the lock cylinder; a first interface is rotatably arranged between the lock cylinder and the lock head shell; locking pieces which are floated an the inner and outer positions of the first interface are arranged between the lock cylinder and the lock head shell; the locking pieces are rod-shaped and can extend along the axis of the lock head shell. The novel lock head is characterized in that two groups of symmetrical locking pieces, namely a first locking piece and a second locking piece are arranged between the lock cylinder and the lock head shell, and the first locking piece and the second locking piece cannot be interchanged. Therefore, the lock cylinder cannot be deviated from the lock cylinder by ...

Method for geographic position cognitive ability on-line testing by means of Google Earth

The invention discloses a method for geographic position cognitive ability on-line testing by means of Google Earth. The method includes the following steps of encoding a geographic position, loading a KML file, collecting information of the geographic position, generating a test question sequence according to the number of test questions, carrying out online testing question by question, and recording and feeding back test results. By means of the method, geographic position cognitive ability on-line testing can be carried out automatically, quickly, flexibly and freely in a three-dimensional visual digital earth platform. The method is easy to operate and high in automation. By means of the method, geographic position knowledge of a testee can be detected, and the personal geographic literacy level can be cultivated and improved. The method can be conveniently applied to global or local geographic knowledge cultivation and testing such as natural environment and humanistic society systems ...

Large-scale ring rolling machine proportion servo-control system

The invention discloses a large-scale ring rolling machine proportion servo-control system which belongs to the technical field of high-precision electrohydraulic servo control. The large-scale ring rolling machine proportion servo-control system comprises a five-axle control system which is formed by a radial rolling control system, an axial rolling control system, a follow-up stand control system, a centering roller rolling control system and a conical roller rotate speed control system; through the theoretical position setting and the actual position detection of radial rolling, axial rolling, a follow-up stand, a centering roller, and the like, a five-axle closed-loop position control system is formed by taking the theoretical sizes of an outer circle, an inner circle and the height of a ring member and the linear velocity of the outer circle of the loop member as target values and the detection values of the core roller position, the conical roller position, the follow-up stand position ...

Rhopalosiphum padi ACT1 reference gene partial sequence, cloning method and application

The invention relates to a rhopalosiphum padi ACT1 reference gene partial sequence, a cloning method and an application, belongs to the field of molecular biology, and particularly relates to a rhopalosiphum padi reference gene ACT1 with a nucleotide sequence represented in SEQ ID No.1. The obtained nucleotide sequence of the rhopalosiphum padi reference gene ACT1 (1131bp) can be used as reference genes for research of rhopalosiphum padi function genes or gene expressions at different development stages as well as relative levels of expressions of viruses in the nucleotide sequence when being used as a virus transmission medium in future.

Automatically controlled fully penetrating well water pumping simulator

The invention relates to a fully penetrating well water pumping simulator applied to teaching trial, which overcomes shortages of big volume, trivial experiment operation and inaccurate experimental data, etc. The measures are as follows: the automatically controlled fully penetrating well water pumping simulator comprises a pedestal 1 which is provided with a mechanical simulation system and an electrical control system connected with the mechanical simulation system; the mechanical simulation system is composed of an annular conducting ring 2, a conducting bearing rod 3, a groove-shaped feeling arm 4, a driving motor 5, a feeling arm motor 6, a position sensor 7, a mark pole sensor 8, a driving screw rod 10, a vernier 11, a probe 12, a probe groove 13 and an angle mark pole 14; the electrical control system is composed of a display module 16, a data result storing module 17, an alternative signal generating module 18, a motor driving module 19, an analog-to-digital conversion module 20 ...

Anti-wheat dwarf virus (WDV) RNA interfering vector, construction method thereof and use thereof in genetic transformation of wheat

The invention relates to 'an anti-wheat dwarf virus RNA interfering vector, a construction method thereof and use thereof in genetic transformation of wheat', and belongs to the technical field of genetic engineering. The skeleton vector of the anti-wheat dwarf virus RNA interfering vector is pMCG161, wherein a sense chain of a WDV-coat protein (CP) gene is inserted into two restriction enzyme cutting sites AscI and AvrII on the upstream of the vector, and an anti-sense chain of the WDV-CP gene is inserted into two restriction enzyme cutting sites on the downstream of the vector, and a hairpin structure is formed through intron on the vector, and thus, a double vector for transforming monocotyledons by a particle gun is obtained. In the invention, the vector is transferred into wheat by a particle gun method, so a transgenic wheat variety having wheat dwarf virus resistance is obtained. The invention provides a high-efficiency breeding approach and a new policy for plant disease-resistance ...

Digital voltage regulating module with high fractional load efficiency and high dynamic characteristic

The invention discloses a digital voltage regulating module with the high fractional load efficiency and the high dynamic characteristic. The digital voltage regulating module comprises a direct-current voltage source, a voltage output end, a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a first inductor, a second inductor and a DSC. A main circuit adopts an interlaced BUCK topology circuit and a main switching tube Q1 is conducted with a main switching tube Q3 by being interlaced with the main switching tube Q3 in 180 degrees. Thus, output current ripples are greatly reduced, the ripple frequency of output currents is increased to be two times that of original output currents and the output filter inductance and the output capacitance can be greatly reduced as the ripple frequency is increased. Thus, the dynamic responding speed of a VRM is improved. In addition, in the time of fraction load, two synchronization rectifier tubes Q2, Q4 are switched off, so that ...

RNAi (RNA interference) vector against barley yellow dwarf virus and wheat dwarf virus as well as construction method and application thereof in wheat genetic transformation

Operation method for dual-SIM (Subscriber Identity Module) card cell phone

The invention relates to an operation method for a dual-SIM (Subscriber Identity Module) card cell phone, comprising the following steps of: S1, defining a standby screen of the cell phone to be with two different backgrounds; S2, sliding left and right with a touch screen in a touch screen cell phone or pressing a left key and a right key on a keyed cell phone by a user so as to realize the operation interface switching between the two different backgrounds, wherein the operation interfaces of different backgrounds correspond to different SIM cards; and S3, selecting different screen backgrounds by the user as required so as to enter the operation interface corresponding to the SIM card. By implementing the invention, a user can simply and conveniently differentiate different SIM cards in the cell phone so as to prevent confusion, therefore, user time is saved and user operation is convenient.

Circuit query machine of mine safety monitoring system

The invention disclose a circuit query machine of a mine safety monitoring system, which relates to the field of mine safety monitoring system detection. The circuit query machine consists of a detection circuit I from a main station to a sub-station and a detection circuit II from the sub-station to a sensor. The detection circuit I comprises a buzzer S and a light-emitting diode LED 3 which is connected with the buzzer S in parallel, wherein the input end of the buzzer S is connected with a circuit to be detected. The detection circuit II comprises three current-limiting resistors R1, R2 and R3 which are connected in parallel and the light-emitting diodes LED 1 and LED 2, wherein lines led out from one end of the R2, one end of R2 and one end of R3 are connected with the circuit to be detected; and the other ends of the R2 and R 3 are connected with the light-emitting diodes LED 1 and LED 2 respectively. The circuit query machine of the mine safety monitoring system has the advantages ...

Side sequence of exogenous insert of transgene paddy strain Kemingdao 1

The invention relates to a side sequence of exogenous interpose fragments of transgene paddy rice line snout moth's larva-subduing rice. its 5' side sequence is shown as SEQ ID NO1 and its 3' side sequence is shown as SEQ ID NO2. The line specificity determine the nature and definite quantity PCR detection of sensitive idiosyncratic transgene paddy rice line snout moth's larva-subduing rice is constructed by using side sequence as aim DNA amplification fragments.

Method for implementing dynamic card selection and memory of mobile phone supporting multiple cards

The invention provides a method for implementing dynamic card selection and memory of a mobile phone supporting multiple cards. The method comprises the following steps of: inserting multiple subscriber identity module (SIM) cards into the mobile phone by a user; during first use, trigging a new event to prompt the user which SIM card is used; judging whether the new event is triggered for the SIM card and whether operation records exist; if so, continuously judging whether the new event is associated with one of the multiple SIM cards; if not associated, popping up an SIM card selection prompt dialog box, and if associated, further executing the information associated with the SIM card and recommending the SIM card to operate with default highlight; and if the result of judging the new event is denied, automatically memorizing the SIM card selected by the user last time through the mobile phone and recommending the SIM card with highlight, wherein the highlight SIM card can be directly ...

Full-automatic vertical crimping machine for hot-rolled strip steel

The invention discloses a full-automatic vertical crimping machine for hot rolled strip steel, and belongs to the field of crimping machine equipment.The full-automatic vertical crimping machine comprises a bearing crimping structure and a limiting driving structure, and the lower end of the bearing crimping structure is in limiting connection with the limiting driving structure; the bearing curling structure is used for curling adjustment of the hot-rolled strip steel, has the tensile property and curls the hot-rolled strip steel through rotation; the limiting driving structure is used for being matched with stretching adjustment of the bearing and curling structure, and meanwhile the limiting driving structure provides power for the bearing and curling structure and drives the interior of the bearing and curling structure to rotate. Compared with the prior art, the purpose of telescopic regulation and control can be achieved while rotation is achieved.

Digital switching power source with high light-load efficiency

The invention discloses a digital switching power source with high light-load efficiency. The digital switching power source comprises an alternating current input power source, an EMI filter, a rectifier bridge, a pre PFC correcting circuit, a transformer, a post DC/DC conversion circuit, a sampling circuit, a first drive circuit, a second drive circuit, a first DSC and a second DSC. The light-load efficiency is improved by reducing the switching loss of a MOS pipe in the pre PFC correcting circuit, the switching loss of a MOS pipe in the post DC/DC conversion circuit and the magnetic core loss of an inductor on the condition of light loads. Compared with other methods for improving light-load efficiency, no additional circuit is needed, and the purpose of improving the high-load efficiency of the power source can be achieved only by using an original control circuit and simply changing relates control strategies; therefore, the digital switching power source is high in light-load efficiency ...

METHOD FOR FORMING NEW MATERIAL OF SYRINGE

The present invention provides a method for forming new material of syringe. The syringe is made of a basic material which is easily decomposed naturally in natural environment, thus the environmental pollution due to syringe refuse is greatly reduced and it provides a new selecting method for improving the other functions of the syringe.

MEDICINE BOTTLE WITH FUNCTION OF INJECTION

A novel medicine bottle with the function of injection features that on the medicine bottle there is a syringe needle base, on which a syringe needle can be mounted. The medicine bottle has a compressible structure and can store and convey medicine. It has fewer links in a chain of use and sterilization, so can reduce virus infection.

Chuck lock

The invention relates to a chuck lock. The chuck lock comprises a lock cylinder and an unlocking key with an approximate cylindrical shape; the lock cylinder comprises a lock cylinder shell and a lock core; the lock cylinder shell is provided with an axial mounting hole; a positioning cavity communicated with the mounting hole is arranged on the lock cylinder shell; the lock core is rotationally arranged in the mounting hole; a chuck containing cavity is arranged on the lock cylinder; a transition cavity is arranged between the chuck containing cavity and the positioning cavity; a floating cross rod is arranged in a locking cavity formed by the transition cavity and the positioning cavity in a floating mode; a plurality of axially arrayed chucks are arranged in the chuck containing cavity; each chuck is provided with an axial hole and is provided with an unlocking groove for containing an insertion part of the floating cross rod; a positioning boss is arranged on axial hole of each chuck ...

Multi-mode wind-and-solar electricity generation system

The invention discloses a multi-mode wind-and-solar electricity generation system, and belongs to the field of transformation of electrical energy. The multi-mode wind-and-solar electricity generation system comprises a solar electricity generation device, a wind energy electricity generation device, a first DC/DC converter, a second DC/DC converter, a bidirectional inverter, a bidirectional DC/DC converter, a storage battery, a switch, a direct current bus, a power grid, a direct current load, an alternating current load, a voltage and current sampling circuit and a DSP, wherein the bidirectional inverter can work in either the inversion state or the rectifying state, and the bidirectional DC/DC converter can work in either the voltage decreasing mode or the voltage increasing mode. The multi-mode wind-and-solar electricity generation system has the flexible control mode, the generated electricity can be fully utilized, the environmental and economic benefits are high, and the multi-mode ...

RPA process robot data intelligent processing method and system

The invention relates to the technical field of electronic digital data processing, in particular to an RPA process robot data intelligent processing method and system, and the method comprises the steps: obtaining a first secret key according to the identity information and operation time in user data, carrying out the coding processing of the first secret key twice, obtaining a third secret key, and carrying out the coding processing of the third secret key according to the third secret key and a corresponding secret key stream, and obtaining the number of abandoned bytes of the key stream, further obtaining a key discrete parameter, a difference parameter and a key stream discrete parameter of the third key, and finally obtaining an encryption key and an encryption key stream according to the key discrete parameter, the difference parameter and the key stream discrete parameter. According to the method, the encryption security and the encryption effect of the RC4 encryption algorithm ...

Safety valve

The utility model provides a safety valve, includes the disk seat, be equipped with the cavity that holds liquid in the disk seat, the cavity is equipped with the external drainage mouth of intercommunication, is equipped with the fixed pipe of mutual movable type grafting complex in it and removes the pipe, fixed pipe constitutes fixed connection with the disk seat, is equipped with the externalliquid inlet channel of intercommunication in it, remove the pressure chamber that pipe relatively fixed pipe one side was equipped with intercommunication liquid inlet channel, the pressure chamber intercommunication removes the liquid -conducting channel who is equipped with in the pipe, the liquid -conducting channel diameter is less than the pressure chamber and communicates the liquid outlet,still be equipped with in the cavity and make remove elasticity that the pipe removed to the fixed pipe one side piece that resets. When fluid pressure in the pressure chamber was too big, elastic acting ...

Switch lock mechanism and lock

The lock opening and closing mechanism comprises a connecting rod, one end of the connecting rod is used for being fixedly connected with a rear lock body, the other end of the connecting rod extends to a front lock body, and a first clutch part is arranged on the side portion of the end, extending to the front lock body, of the connecting rod; the mechanical lock cylinder comprises a lock shell sleeve fixedly arranged on the front lock body and a cylinder body rotationally arranged on the lock shell sleeve, and the cylinder body and the connecting rod are coaxial and can rotate relatively; the transmission mechanism is arranged between the core body and the connecting rod and can drive the core body and the connecting rod to rotate together; the electric unlocking mechanism is used for being fixedly arranged on the front lock body, and the output end of the electric unlocking mechanism can be combined with or separated from the first clutch part. The lock comprises the switch lock mechanism ...

DC convertor with wide voltage range and wide load range

The invention discloses a DC convertor with a wide voltage range and a wide load range, and belongs to the technical field of power electronic converters. The DC convertor comprises a DSP chip, a first MOS transistor, a second MOS transistor, a third MOS transistor, a fourth MOS transistor, a fifth MOS transistor, a sixth MOS transistor, a seventh MOS transistor, an eight MOS transistor, a first transformer, a second transformer, a drive circuit, a first sampling circuit, a second sampling circuit, a third sampling circuit, a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor. According to the DC convertor, on the basis of the full-bridge topology, some design circuits and control circuits are additionally arranged, so that the defect that the voltage range and the load range are narrow when the full-bridge topology is adopted for an existing DC convertor is overcome, and the voltage range and the load range are effectively ...

Shaper is pressed to super high -strength steel hot -rolling

The utility model provides a shaper is pressed to super high -strength steel hot -rolling, include to add heat transmission machine, the shaping machine of roll -in and cooler, add the heat transmission press packed bale and draw together conveyer belt, high temperature heating ware, a plurality of groups roll -in mould, high temperature heating ware are drawn together to the shaping press packed bale of roll -in, the cooler includes hydrojet system and aligning transmission running roller, the heat transmission machine that adds take shape the machine all still including thermal -insulated heated board and temperature controller with the roll -in. Compared with the prior art, the utility model overcomes super high -strength steel has the not enough of drop stamping, the shaping method of normal atmospheric temperature roll -in now to according to the characteristic of ultrafort steel, design the good super high -strength steel hot -rolling of heating efficiency and pressed the forming ...

One-step synthetic optical disk grade polycarbonate

An one-pass process for synthesizing optical disk grade of granular polycarbonate resin includes such steps as adding phosgene to organic solvent to obtain organic phase, adding bisphenol, alkali, molecular weight regulator, antioxidant and catalyst to water to obtain liquid phase, mixing while stirring, reaction at 30-50 deg.C for 1-15 min, washing, fine filtration, deposition, filtering, and granulating, and features short reaction time, high time-space efficiency and continuous operation. Obtained product has good machining performance, excellent mechanical properties, and high clearness and transparency.

Method for preparing environment-friendly composite inorganic fire retardant

The invention provides a method for preparing an environment-friendly composite inorganic fire retardant. The composite inorganic fire retardant is prepared by taking aluminum hydroxide, magnesium hydroxide, kaolin and silicon aluminum powder as main raw materials, using different modifiers to perform modification treatment on the surfaces of inorganic particles of the main raw materials respectively, and then performing mechanical mixing. The method adopts a brand-new mixing modification method, furthest plays the fire-retardant effect of the aluminum hydroxide and the magnesium hydroxide, and greatly improves the fire-retardant efficiency of the composite inorganic fire retardant; and the method improves the state of an interface, and is favorable for aging resistance, stress resistance and electric insulating property of products. The prepared composite inorganic fire retardant can ensure that the crosslinking property between the composite fire retardant and base materials is improved ...

Pressure-maintaining hydraulic system with multistage braking function

The invention provides a pressure-maintaining hydraulic system with the multistage braking function. The pressure-maintaining hydraulic system solves the problem that an existing pressure-maintaining hydraulic device does not have the multistage braking function, and comprises an oil tank. An oil supply oil way, a first-stage braking oil way and a second-stage braking oil way are connected to the oil tank. A sucked oil filter, a gear pump, a high-pressure filter, a first one-way valve, a second one-way valve and an oil cylinder are sequentially connected to the oil supply oil way in series. The first-stage braking oil way is divided into two parallel branches. A first overflow valve and a first throttling valve are connected to one of the two parallel branches in series. A second overflow valve is connected to the other one of the two parallel branches in series. The two parallel branches are joined to be connected with a first explosive-proof reversing ball valve in series. The second-stage ...

Stereo television scheme

The present invention relates to a stereo-television scheme. According to the principle of stereoscopic vision production of people, said invention makes an improvement on the TV broadcasting and reception so as to produce lifelike stereo effect on the TV, in which its image stereovision treatment device uses the principle of light reflection to treat TV image so as to obtain stereovision effect. Its structure is simple, cost is low and its application is extensive. It also can be used for enjoying stereophotographic works and computer stereo picture.

Mobile phone charging base with data backup function and implementation method

The invention relates to a mobile phone charging base with a data backup function and an implementation method. A jack matched with a connected mobile phone and a storage space for storing data are arranged on the charging base, wherein the jack has charging and data backup functions. The method for implementing the data backup and restoration on the basis of the mobile phone charging base comprises the following steps that the mobile phone is inserted in the jack of the charging base, and data backup is carried out while the mobile phone is charged; the charging and data backup operations are completed; and when the backup data is required to be restored, the mobile phone is connected with the charging base so as to enter a restoration mode for restoring data. When the mobile phone is lost or has a fault, a user can find back the data through the data base so that the data loss of the user is reduced to the minimum extent, thereby improving the safety of user data and promoting the satisfaction ...

Modified polystyrene plastic made from waste foamed polystyrene with gel defoaming method

Waste foamed polystyrene plastics is first defoamed by high-boiling point gelatinized solvent mixture, say, the mixture of kerosene and chlorophenol, then mixed with modified resin and assistant, and finally thermo-compressed via several-stage exhausting extruder into plastic grains. The plastic grains are suitable to produce various daily-used articles and electrical parts.

SYNTHESIS OF DIPHENYL CARBONATE

Silicate luminescent material, preparation method thereof and luminescent device using the same

The present invention relates to fluorescent silicate material capable of being excited with laser source from ultraviolet to green light region to emit light from blue to red light region and its preparation, and white light and multicolor light emitting device. The fluorescent silicate material is aMO bM' O SiO2 cR:xEu yLn zLv, where, M is selected from Sr, Ca, Ba and Zn; M' is selected from Mg, Cd and Be; R is B2O3 and/or P2O5; Ln is selected from Nd, Dy, Ho, Tm, La, Ce, Er, Pr, Bi, Sm, Sn, Y, Lu, Ga, Sb, Tb and Mn; Lv is selected from Cl-, F-, Br-, I- and S2-; and a, b, c, x, y, z are corresponding molar coefficients separately.

Reversing valve

The utility model provides a reversing valve, includes disk seat, rotary switch and two mirror symmetry's seal assembly, be equipped with in the disk seat main cavity room that holds rotary switch andwith two liquid inlet channel of main cavity room intercommunication, the liquid outlet that main cavity room intercommunication was equipped with, liquid inlet channel is close to main cavity room one side and is equipped with the bellied sealed pad portion of annular, seal assembly is located liquid inlet channel, its spring that includes T type piston, feed liquor pipe and winding feed liquorpipe, T type piston constitutes sealing connection with sealed pad portion, the inlet that feed liquor pipe one end intercommunication was equipped with, the other end constitute the top with T type piston lower extreme and by the cooperation, are close to T type piston one end and are equipped with a plurality of notches that are used for the liquid circulation, the spring constitutes the top bythe ...

Lock with novel chucks

The invention relates to a lock with novel chucks. The lock with novel chucks comprises a lock liner and a lock opening key matched with the lock liner, the lock liner comprises a lock liner shell and a lock core rotationally arranged in the lock liner shell, the lock core is provided with a chuck holding cavity, a plurality of axially arrayed annular chucks are arranged in the chuck holding cavity, and an axial through hole through which the key passes is formed in each annular chuck; the lock with novel chucks further comprises a locating pin post axially located in the chuck holding cavity, and the locating pin post is obliquely arranged at one side of the chuck holding cavity; a closed arc-shaped groove is formed in the radial surface of each annular chuck, each arc-shaped groove has an extension track for avoiding the locating pin post, and the arc centers of the arc-shaped grooves are overlapped with the rotary centers of the annular chucks; each annular chuck through sleeves the ...

Method and device for hot rolling forming of super-strength steel

The invention provides a method and a device for hot rolling forming of super-strength steel. Compared with the prior art, the method overcomes defects of an existing hot stamping and normal-temperature rolling forming method for super-strength steel. According to the characteristics of super-strength steel, a super-strength steel hot rolling forming technology with good heating efficiency is designed. By means of the method, the strength of a formed part can be multiplied, few waste defective goods are produced, the quality is stable and reliable, the continuous production requirements of a modern enterprise are met, the production efficiency is improved, rebounding deformation of the formed part is controlled effectively by a cooling device, and better engineering application value is realized.

Vertical wind-powered aeration oxygen-charging machine

The invention discloses a vertical wind-powered aeration oxygen-charging machine. The vertical wind-powered aeration oxygen-charging machine comprises a wind wheel supported above an aeration tank by a support, the wind wheel is connected to a steering gear by a transmission shaft arranged in the support, the steering gear is connected to a speed increaser, the speed increaser is connected to a blower by a buffer and an elastic coupling, the blower is connected to an exhaust pipe and the tail end of the exhaust pipe is communicated with the interior of the aeration tank. The vertical wind-powered aeration oxygen-charging machine realizes combination of speed increasing, air blasting and aeration and solves the problem that the existing rural sewage treatment technology needs electric supply so that an operation cost is high and water reoxygenation capability is insufficient. Wind provides power for oxygen-charging of water so that an investment is saved, a structure is simple and a sewage ...

Continuous float printer for marble pattern

This invention relates to a apparatus for embossed printing on manu-marble, it composed of printing tank, carrier vehicle and an adsorbent motion mechanism which can hold parts and put them into embossed printing tank smoothly with predetermined angle and speed. A vacuum adsorbent devcie can hold any material and various size parts to carry out embossing process agilely in ingredients-contained solution. This technique can guarantce the products good quality, and increase its output, reduce labor intensity, and can produce big size or heavy workpiece.

Side sequence of exogenous insert of transgene paddy strain Kemingdao 1

The present invention relates to a side sequence of exogenous interpose fragments of transgene paddy rice line snout moth's larva-subduing rice, characterized by that: its 5' side sequence is shown as SEQ ID NO1 and its 3' side sequence is shown as SEQ ID NO2. The line specificity determine the nature and definite quantity PCR detection of sensitive idiosyncratic transgene paddy rice line snout moth's larva-subduing rice is constructed by using side sequence as aim DNA amplification fragments.

Traditional Chinese medicine composition for regulating menstruation and removing blood stasis as well as determination method and application thereof

The invention relates to a traditional Chinese medicine composition for regulating menstruation and dispersing blood stasis as well as a determination method and application. On one hand, the invention provides a method for determining paeoniflorin in a traditional Chinese medicine composition which is in a tablet form and is generally called as Wujin tablets, and the tablet is prepared from the following traditional Chinese medicinal materials: pollen typhae, plant soot, fennel oil, motherwort, prepared rehmannia root, rhizoma sparganii, folium artemisiae argyi (charcoal), corydalis tuber, rhizoma cyperi, radix paeoniae alba, radix aucklandiae, fructus psoraleae, fructus evodiae, ligusticum wallichii, curcuma zedoary and angelica sinensis; according to the method, high performance liquid chromatography is used for determination, octadecylsilane chemically bonded silica is used as a filler, acetonitrile-methanol-water (12: 3: 85) is used as a mobile phase, and the detection wavelength is ...

Novel touch screen mobile phone

The invention relates to a novel touch screen mobile phone. A left touch control area and a right touch control area are arranged on the left and right sides of a touch screen of the touch screen mobile phone respectively, and are used for realizing the touch control operation of the mobile phone. The touch screen mobile phone of the invention, the areas on the left and right sides of the touch screen are effectively utilized as the touch control areas, so that the display effect of the touch screen is better and the touch screen mobile phone well functions in games with relatively higher requirement on controllability.

Barley yellow dwarf virus interference virogene expression vector and its construction method and application

The invention relates to 'an expression vector of interfering viruses of barley yellow dwart viruses, a constructing method, and the application' and belongs to the technical field of biological engineering. The invention provides the expressing vector of interfering viruses of barley yellow dwart viruses which is characterized in that a skeleton carrier which is adopted is pMCG161, a sense strand of a coat protein gene of the barley yellow dwart viruses is inserted between two restriction sites of AscI and AvrII which are on the upstream portion of the pMCG161, and an antisense strand of the coat protein gene of the barley yellow dwart viruses is inserted between two restriction sites of SpeI and SgfI which are on the downstream portion of the pMCG161. The expression vector of interfering viruses of barley yellow dwart viruses GAV which is constructed by the invention is transferred into wheat through particle bombardment to obtain a transgene wheat variety which has resistance to the ...

Rice stripe virus RNA interference vector, constructing method and application thereof

The invention relates to a rice stripe virus RNA interference vector, a constructing method and application thereof, belonging to the technical field of biology. The method establishes the rice stripe virus RNA interference vector pMCG161+/-R and pCMBIA1301+/-R by using a sequence shown in SEQ ID NO 3 as sense and antisense strands. The invention provides the vector interfering with virus gene expression and the constructing method and application thereof for genetic engineering of plant disease resistance, and provides a new idea for transgenic technology and application of RNA interference in biological resistance breeding. The vector is transferred into paddy to obtain antivirus plant successfully, the preset target of obtaining the anti RSV paddy new material by using RNA interference principle can be realized, a successful case is provided for RNA interference mediated plant resistance breeding and genetic engineering, and the blank of RNA interference mediated RSV resistance in the ...

Side sequence of exogenous insert of transgene paddy strain Kefeng 6

The invention relates to a side sequence of exogenous interpose fragments of transgene paddy rice line kefeng No.6 rice. its 5' side sequence is shown as SEQ ID NO1 and its 3' side sequence is shown as SEQ ID NO2. The line specificity determine the nature and definite quantity PCR detection of sensitive idiosyncratic transgene paddy rice line kefeng No.6 rice is constructed by using side sequenceas aim DNA amplification fragments.

Double-room-alternately-used unidirectional-exhausting dung-urine-separated dry latrine

The invention discloses a double-room-alternately-used unidirectional-exhausting dung-urine-separated dry latrine. The double-room-alternately-used unidirectional-exhausting dung-urine-separated dry latrine comprises an upper-layer use room and a lower-layer double-room dung storage tank, wherein a dung-urine separate collected squatting toilet which comprises a urinal and a stool pit is arranged in the upper-layer use room, the urinal is communicated with a urine storage device through a urine conveying pipe, and the stool pit is communicated with the lower-layer double-room dung storage tank through a gravity type automatic-reset isolation valve; the lower-layer double-room dung storage tank comprises a dung storage tank partition wall, which is used for partitioning the dung storage tank into two rooms, and a dung steering groove which is connected to the dung storage tank partition wall and can be used for steering, and the dung steering groove is used for guiding dung, which falls ...

One-step synthetic optical disk grade polycarbonate

Fast detecting method for cucumber green mottle mosaic virus

The invention relates to a ''fast detection method of cucumber green mottle mosaic virus'' which belongs to the engineering field of biotechnology. In the fast detection method of cucumber green mottle mosaic virus, a one-step real-time quantitative RT-PCR reaction is adopted; the method is characterized in that a target gene is the CP gene of a CGMMV isolate. Simultaneously in the method, the reaction system and conditions of RT-PCR are optimized. The method is fast, accurate and reliable and plays the important role on preventing the further dispersing of seed viruses.

Method for activating frozen virus source of rice black-streaked dwarf virus

The invention relates to a method for activating a frozen virus source of the rice black-streaked dwarf virus, and belongs to the technical field of biology. The method comprises the following steps of: freezing leaves infected with the rice black-streaked dwarf viruses while keeping the activity of the rice black-streaked dwarf viruses; feeding insect vectors with the leaves to make the insect vectors infected with the rice black-streaked dwarf viruses; and making the insect vectors spread the rice black-streaked dwarf viruses to healthy plants so as to activate the frozen virus source of the plant viruses. The method has the advantages of realizing inoculation as required and being easily implemented and provides a novel strategy for insects spreading the plant viruses.

Method for controlling Pichia pastoris to ferment to produce antibacterial peptide by utilizing dissolved oxygen parameters

Door cover rapid opening structure of explosive-proof electric control cabinet

The invention provides a door cover rapid opening structure of an explosive-proof electric control cabinet. The door cover rapid opening structure of the explosive-proof electric control cabinet solves the problems that a door lock of an existing explosive-proof cabinet is arranged outside, space is occupied, sense of beauty is influenced, the door lock is complex in structure and large in operation difficulty, and opening and closing functions are unstable. The door cover rapid opening structure of the explosive-proof electric control cabinet comprises a box body, a door cover is arranged on a box opening of the box body, a single fastening tooth is arranged on the top edge of the box body, a movable fastening tooth is arranged on the top edge of the inner side of the door cover, a rotating handle is assembled on the door cover, the rotating handle comprises a handle and a rotating shaft, the rotating shaft penetrates into the door cover, the penetrating end of the rotating shaft is provided ...

PCR method for identification of nucotn 33B and GK12 and dependent Bt gene expression cassettes

The invention relates to 'a PCR method for identifying transgenic pest-resistance cotton of new cotton 33B and GK12 and Bt gene expression frame relied on by the method', pertaining to the biological technology field. The sequence of Bt gene expression frame of the transgenic pest-resistance cotton of new cotton 33B is shown as Seq ID No.1, and the sequence of Bt gene expression frame of the transgenic pest-resistance cotton of new cotton GK12 is shown as Seq ID No.2; the PCR method for identifying new cotton 33B and GK12 comprises a specificity detection primer designed by utilizing the different sequences of Seq ID No.1 and Seq ID No.2. The PCR method can utilize general PCR instruments and reagents to identify the new cotton 33B and GK12 and cotton strain with the new cotton 33B or/andGK12 as seed-parent rapidly and accurately.

Oil and gas reservoir productivity prediction method, device, equipment and storage medium

The invention provides an oil and gas reservoir productivity prediction method and device, equipment and a storage medium, and relates to the technical field of oil and gas reservoir development. According to the obtained fracturing characteristics of the to-be-predicted shale reservoir, a physical model is constructed, and areas included in the physical model include a supported fracture area, an unsupported fracture area, a fracturing transformation inner area, a fracturing transformation outer area and an unfractured transformation area; coupling the seepage control equations of the areas in the fixed-production production stage and the fixed-pressure production stage to obtain a seepage mathematical model; analyzing and solving the seepage mathematical model to obtain bottom hole pressure distribution and oil and gas reservoir yield corresponding to the to-be-predicted shale reservoir in real space quasi time, and further obtaining oil and gas reservoir yield and bottom hole pressure ...

RNAi (RNA interference) plasmid against barley yellow dwarf virus and wheat dwarf virus as well as construction method and application thereof in wheat genetic transformation

The invention relates to an RNAi (RNA interference) plasmid against barley yellow dwarf virus (BYDY-GAV) and wheat dwarf virus (WDV) as well as a construction method thereof and an application thereof in wheat genetic transformation, belonging to the technical field of gene engineering. The expression plasmid adopts a backbone plasmid pMCG161. A transgenic wheat variety with resistance against both BYDV-GAV and WDV is obtained by the following steps: inserting the sense strand of a BW-CP (BYDY-GAV and WDV coat proteins) gene between two endonuclease recognition sites Asc I and Avr II on the upstream of the plasmid pMCG161, inserting the antisense strand of the BW-CP gene between two endonuclease recognition sites Spe I and Sgf I on the downstream of the plasmid pMCG161, forming a hairpin structure through the intron on the plasmid, which is suitable for gene gun-mediated transformation of a monocotyledonous plant to obtain an offspring thereof with resistance against both BYDY-GAV andWDV ...

Process for preparing sludge autoclaved aerated concrete building block

The invention belongs to the technical field of environmental engineering, and particularly relates to a process for preparing a sludge autoclaved aerated concrete building block. The process mainly comprises the following steps of: (1) quickly stirring and mixing spare dried sludge, water and lime, coal ash, cement, gypsum and aluminum powder with physical and chemical properties meeting the brick making requirements in a certain ratio and in turn; (2) feeding the mixture obtained in the step (1) into a die, and putting the die into a thermostatic curing box of 40 DEG C or 60 DEG C to perform foaming and curing for 4 hours; (3) putting the blank foamed and cured in the step (2) into an autoclave, and curing the blank for over 8 hours by adopting a stepwise buck-boost curing mode; and (4) piling the product discharged from the autoclave outdoors for over 2 days. The process can reach hazard-free and recycling treatment of urban sludge, save clay resources and save the brick making cost, ...

PCR method for identification of nucotn 33B and GK12 and dependent Bt gene expression cassettes

The invention relates to 'a PCR method for identifying transgenic pest-resistance cotton of new cotton 33B and GK12 and Bt gene expression frame relied on by the method', pertaining to the biological technology field. The sequence of Bt gene expression frame of the transgenic pest-resistance cotton of new cotton 33B is shown as Seq ID No.1, and the sequence of Bt gene expression frame of the transgenic pest-resistance cotton of new cotton GK12 is shown as Seq ID No.2; the PCR method for identifying new cotton 33B and GK12 comprises a specificity detection primer designed by utilizing the different sequences of Seq ID No.1 and Seq ID No.2. The PCR method can utilize general PCR instruments and reagents to identify the new cotton 33B and GK12 and cotton strain with the new cotton 33B or/and GK12 as seed-parent rapidly and accurately.

NEW TYPE EXPENDABLE INJECTOR WITH WEAK PART

The present invention discloses an expendable injector which consists of a syringe body whose one end is closed and has a needle socket, a piston which can slip in the syringe body and a piston rod connected with the piston. This injector is characterized by its weak portion whose strength is lower, and after having been used this injector can be damaged to avoid its reuse.

Lock with bolt adjusting mechanism

A lock with a bolt adjusting mechanism comprises a lock shell and a first bolt. The bolt adjusting mechanism comprises a stirring part and a slider, a rotating pivot is arranged on the stirring part, the slider is arranged at the tail end of the first bolt and can move in the horizontal direction, and the stirring part and the slider are arranged up and down. A first joint point and a second joint point are further arranged on the stirring part, and the distance between the second joint point and the rotating pivot is larger than that between the first joint point and the rotating pivot. When the slider moves to the position corresponding to the first joint point, the slider leaves the position of the second joint position, and the stirring part is jointed with the slider at the first joint point to form first drive fit; when the slider moves to the position corresponding to the second joint point, the slider already leaves the position of the first joint point, and the stirring part is ...

Vertical-type furnace for alpha-HgI2 single crystal growth and growth method of alpha-HgI2 single crystal

The invention relates to the technical field of alpha-HgI2 single crystal growth, in particular to a vertical-type furnace for alpha-HgI2 single crystal growth and a method using the furnace to realize the growth of alpha-HgI2 single crystal. The invention aims at solving the problems of complicated temperature control system, high production cost, seed crystal demand and considerable damage of single crystal caused by processing in the prior art. The technical scheme currently adopted is a vertical-type furnace for alpha-HgI2 single crystal growth and a method using the furnace to realize thegrowth of alpha-HgI2 single crystal, comprising the following steps: sheathing a cylinder quartz vacuum insulation layer and a hearth in turn on a base plate of the furnace body, separating a cylinder chamber between the quartz vacuum insulation layer and the hearth into an upper chamber and a lower chamber by a heat insulation ring, setting heating devices in the upper chamber and the lower chamber ...

BLUE-GREEN SILICATE LUMINESCENT MATERIAL

The present invention provides blue-green silicate luminescent materials, which are rare earth activated alkaline-earth metals silicates having a formula of BaMSiOD:Eu, Ln, wherein M is one or two elements selected from the group consisting of Mg, Ca and Sr; D is one or two ions selected from the group consisting of Cland F; Ln is an ion selected from Ce, Er, Pr or Mn; a, b, x, and y are molar coefficients and within following ranges: 0≦a<2, 0≦b<0.5, 0 Подробнее

Silicate-containing luminescent material,its making method and the light-emitting device using the same

Blue-green silicate luminescent materials

The present invention provide blue-green silicate luminescent materials, which are rare earth activated alkaline-earth metals silicates having a formula of Ba 1-b M b Si 2 O (5-a/2) D a :Eu x , Ln y , wherein M is one or two elements selected from the group consisting of Mg, Ca and Sr; D is one or two ions selected from the group consisting of Cl - and F - ; Ln is an ion selected from Ce, Er, Pr or Mn; a, b, x, and y are molar coefficients and within following ranges: 0≤a<2, 0≤b<0.5, 0<x<1, 0≤y<0.5. the blue-green silicate luminescent material can be excited by UV, violet and blue lights of 200 nm-450 nm and emit blue-green light with a peak wavelength of around 490-510 nm. The luminescent materials can be used not only in color-rendering index adjustment of tricolor lamps and white-light LED, but also in decoration and lighting with special colors.

Electronic ball lock

An electronic ball lock is disclosed, including: a front ball lock body, where the front ball lock body includes a front fixed frame and a front sleeve rotatably arranged on the front fixed frame; a rear ball lock body; a connecting rod having one end connected with the rear ball lock body and the other end provided with a driving member extending into the front fixed frame; an electric clutch mechanism arranged in the front fixed frame and capable of driving the front sleeve to be coupled with or separated from the driving member; and an identification module arranged on the front ball lock body and electrically connected with the electric clutch mechanism.

一种插孔对称度检测装置

一种插孔对称度检测装置，所述插孔对称度检测装置由百分表、固定座组成，所述百分表由表盘、固定杆、测量杆组成，所述固定座由底座、固定板、固定夹、螺钉、测量挡片组成。百分表的固定杆通过螺钉、固定夹压紧在固定板上，测量挡片通过螺钉固定在固定板侧面。百分表测量杆与测量挡片的测量基准面垂直，测量挡片插入插孔的部位与插孔直槽小间隙配合，测量时分两次将插孔直槽插入测量挡片，测出不同簧片的厚度，两次百分表读数的差值即为插孔直槽与外圆的对称度误差。

Electronic ball lock

An electronic ball lock is disclosed, including: a front ball lock body, where the front ball lock body includes a front fixed frame and a front sleeve rotatably arranged on the front fixed frame; a rear ball lock body; a connecting rod having one end connected with the rear ball lock body and the other end provided with a driving member extending into the front fixed frame; an electric clutch mechanism arranged in the front fixed frame and capable of driving the front sleeve to be coupled with or separated from the driving member; and an identification module arranged on the front ball lock body and electrically connected with the electric clutch mechanism.

Silicathaltiger leuchtstoff, seine herstellung und davon gebrauch machende leuchtvorrichtung