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41results about How to "Gather evenly" patented technology

Low-temperature coal carbonization kiln

The invention disclosed a kind of low temperature coal dry distillating square stove which includes stove body, coal cup, dant-pushing machine and branch admixer. On the top of the hearth there is installed the gas collecting umbrella, inside the stove it is cavity structure; on the bottom of the cavity there are installed several rows of emitting gas walls, every row of emitting gas wall is parallel to the interval between two side umbrella of the gas collecting umbrella; the consecutive emitting gas walls are pedestalled by arch wall; on both sides of the emitting gas walls there are two branch admixer respectively; the bottom of the stove connects the dant discharging box, the bottom of which connects the dant leading slot; the bottom of the dant leading slot is dant-pushing machine, the bottom of which is aqua sealing slot, in the slot there is scraper machine. The invention adopts the heating scheme of endo-burnning and calor internus which can heat uniformly. The gas collecting umbrella and accessory coalbox can make the material and gas-collecting uniformly while the dant-pushing machine can make the product uniform. The advantage of the invention: it can bring into full play of the producing ability and decrease the investment as well as increase the benefits; besides, it is easy to operate, it needs less people and can be controlled automatically.
Owner:SHAANXI SHENMU SAN JIANG COAL CHEM

Paper gathering and feeding method and device therefor, and rotation member

Proposed is a paper gathering and feeding method, a device therefor, and a rotation member acting sufficiently also on any deformed notes at the time of gathering, and at the time of feeding, feeding is not prevented irrespective of the plasticity deformation, and an object thereof is to reduce the exchange frequency and maintenance of the rotation member, extend the continuous operation time of the paper gathering and feeding device, and realize comprehensive reduction of production cost, service cost, and the like. With respect to a paper gathering and feeding method or a device therefor performing a gathering process for dropping paper to be transferred in a transfer section to gather the same in a gathering section, and a feeding process for feeding the paper gathered in the gathering section to the transfer section, a rotation member provided with a changeable piece changeable with a radius distance between a tip section and a rotation axis is provided in the vicinity of a coupling section between the transfer section and the gathering section, and at the time of the gathering process, the rotation member is so formed as to rotate in a gathering direction to slap down the paper using the changeable piece with the wider radius distance, and at the time of the feeding process, the rotation member rotates in a feeding direction to perform the feeding allowance operation to allow the paper to be fed.
Owner:HITACHI CHANNEL SOLUTIONS CORP

Paper gathering and feeding method and device therefor, and rotation member

Proposed is a paper gathering and feeding method, a device therefor, and a rotation member acting sufficiently also on any deformed notes at the time of gathering, and at the time of feeding, feeding is not prevented irrespective of the plasticity deformation, and an object thereof is to reduce the exchange frequency and maintenance of the rotation member, extend the continuous operation time of the paper gathering and feeding device, and realize comprehensive reduction of production cost, service cost, and the like. With respect to a paper gathering and feeding method or a device therefor performing a gathering process for dropping paper to be transferred in a transfer section to gather the same in a gathering section, and a feeding process for feeding the paper gathered in the gathering section to the transfer section, a rotation member provided with a changeable piece changeable with a radius distance between a tip section and a rotation axis is provided in the vicinity of a coupling section between the transfer section and the gathering section, and at the time of the gathering process, the rotation member is so formed as to rotate in a gathering direction to slap down the paper using the changeable piece with the wider radius distance, and at the time of the feeding process, the rotation member rotates in a feeding direction to perform the feeding allowance operation to allow the paper to be fed.
Owner:HITACHI CHANNEL SOLUTIONS CORP

Remote controlled single channel outputting method for concentrating controller in digital analog Tv-set

InactiveCN1615017ARealize the mouthpiece functionAdapting to the choice of autonomyElectrical cable transmission adaptationRemote controlTerminal equipment
The invention consists of: TV station signal output device; HFC transmission network; hub and descramble controller; user terminal device. The remote control for single channel output at the mode of signal processing combining channel processing can make scramble / descramble of digital cable TV more efficiency, safety.
Owner:梁光海

Device and method for remediation of in-situ fracturing aeration auxiliary electrochemical array well

The invention belongs to the field of in-situ remediation of contaminated soil, and particularly relates to a device and a method for the remediation of an in-situ fracturing aeration auxiliary electrochemical array well. According to the device, an automatic control system is respectively connected with an inflating pump, an anode buffer solution adding device and a cathode buffer solution adding device through lines, wherein the line connected the automatic control system with the cathode buffer solution adding device is respectively connected with a high-pressure hydraulic fracturing pump, a suction pump exhaust gas treatment device and a pollution buffer solution treatment device; the anode buffer solution adding device and the suction pump exhaust gas treatment device are respectively connected with an anode well through the line; the inflating pump is connected with an aerator pipe through the line; the high-pressure hydraulic fracturing pump is connected with a hydraulic vibrating and fracturing well by the line; and the suction pump exhaust gas treatment device, the pollution buffer solution treatment device and the cathode buffer solution adding device are respectively connected with a cathode well through the lines. According to the device and the method, the remediation effect of electrochemical remediation and the remediation efficiency of anode pollution gas are improved, and pollutants are eliminated completely. Therefore, the relative low cost and the high treatment efficiency are achieved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Secondary condenser

The invention relates to a secondary condenser. The overall secondary condenser is columnar and comprises a top and a bottom, the bottom can be connected with a solar battery of a condensation solar photovoltaic system, and the surface of the lateral wall of the condenser is composed of a rugged curve face formed by a plurality of tiny units. By means of the secondary condenser, the light distribution uniformity can be improved through the adoption of the rugged curve face on the lateral wall of the secondary condenser, the problems of inapplicability and poor universality caused when incident rays departure from the axis to a large extent in the prior art are solved, the secondary condenser has the good practicability, and the manufacturing cost of the condensation solar photovoltaic system is reduced.
Owner:SHANGHAI INST OF SPACE POWER SOURCES

Heating assembly for peritoneal dialysis

The invention discloses a heating assembly for peritoneal dialysis. The heating assembly for peritoneal dialysis is provided with a silica gel heating sheet; the silica gel heating sheet is provided with a first heating component and a second heating component; the middle part and / or the secondary middle part of the silica gel heating sheet are / is provided with hole sites; the hole site penetratesthrough the first heating component and the second heating component; a metal heat conduction plate is arranged above the silica gel heating sheet; the hole sites lead to the surface of the middle part and / or the secondary middle part of the metal heat conduction plate to form mounting sites; and the mounting site is provided with a thermal protector and / or a temperature sensing chip. The heatingassembly for peritoneal dialysis is provided with the heating components with different resistance values, and the control circuit starts the heating components with the corresponding voltage resistance values according to different power supply voltages, so that the heating assembly for peritoneal dialysis is separated from a power adapter to be independently used, the economic expenditure for purchasing the power adapter is reduced, and the carrying weight is reduced.
Owner:苏州爱力想电子科技有限公司

Automatic line distribution and collecting device

InactiveCN105293174AGather evenlyGuarantee the quality of take-upFilament handlingDrive shaftEngineering
The invention relates to the field of line collecting devices, and discloses an automatic line distribution and collecting device. According to the scheme, the automatic line distribution and collecting device comprises a base, a line collecting disc and a power shaft, wherein the power shaft is horizontally arranged on the base; the line collecting disc is arranged on the power shaft. The automatic line distribution and collecting device further comprises a driving bevel wheel, a driven shaft, a driven bevel wheel, an eccentric wheel, a connecting rod, a line distribution disc and a sliding disc, wherein the driving bevel wheel is arranged on the power shaft in a sleeving mode; the driven shaft is located below the driving bevel wheel; the driven bevel wheel is arranged on the driven shaft in a sleeving mode and matched with the driving bevel wheel; the eccentric wheel is connected under the driven shaft; the lower portion of the eccentric wheel is hinged to the bottom of the base; the sliding groove is located below the line collecting disc and connected with the bottom of the base; the lower portion of the line distribution disc is matched with the sliding groove in shape and located in the sliding groove, and the upper portion of the line distribution disc is provided with a hole; one end of the connecting rod is hinged to the eccentric wheel, and the other end of the connecting rod is hinged to the line distribution disc. The automatic line distribution and collecting device can automatically collect and distribute line with a single power source.
Owner:CHONGQING LIANGNENG MACHINERY CO LTD

Nozzle for a random selection machine

A nozzle has a body provided with multiple laminar flow passages to generate multiple laminar flows when air is exhausted from the nozzle into a barrel of a random selection machine. When air is blown into a barrel through the nozzle, the airflow exhausting out from the blower will be compressed by the laminar flow passages in the nozzle. The airflow will be divided into multiple jetting laminar flows due to the passages even when turbulent flow has generated. Accordingly, the speed of the air entering into the barrel of the selection machine through the nozzle is high such that numbered balls can be gathered evenly.
Owner:JUMBO TECH

Thermal electronic surface emitting source for vacuum system

The invention discloses a thermal electronic surface emitting source for a vacuum system. In the invention, a first anode comprises a lamp holder, a lamp filament, a lamp filament wiring column, an electronic scattering mesh, a wiring column frequency shielding disk and a base frequency shielding disk, and a second anode is formed in such a way that a sleeve is added in a shell of the thermal electronic surface emitting source in a mutually insulating way; by the invention, an electronic track is effectively changed; after emitted electrons are accelerated by an electric field, the distribution of formed high-energy electronic beams can be controlled by changing the potential condition; the lamp filament is wound into a pane spiral shape by a tantalum wire; the lamp filament in the shape can generate the uniform high-energy electronic beams, finish the uniformization, gathering and submerging of the high-energy electronic beams and realize the detection of parameters of a fluorescent screen, such as uniformity, light emitting efficiency, afterglow, and the like; particularly, the detection error of the uniformity is smaller than + / -0.05; and the invention has multiple functions, simple structure and easy processing, can completely meet the test of all the parameters of the fluorescent screen and can be widely used for the quality detection of the fluorescent screens on variousimage intensifiers.
Owner:南京理工大学张家港工程院有限公司

Glass powder for main gate electrode silver paste of TOPCon battery as well as preparation method and application of glass powder

The invention relates to glass powder for crystalline silicon solar TOPCon battery main gate electrode silver paste, which is characterized by comprising main glass powder and auxiliary glass powder, the main glass powder is Pb-Si-Ti-Zn oxide, the auxiliary glass powder is Bi-Si-Mn-Cu oxide, and the main glass powder accounts for 60-90 wt%; the particle size D50 of the main glass powder and the auxiliary glass powder is smaller than or equal to 4 micrometers. After the main glass powder and the auxiliary glass powder are matched, the main grid silver paste is not sensitive to the change of the sintering temperature, so that the main grid silver paste has a wider sintering window, and the use of main grid electrodes on the front surface and the back surface of a crystalline silicon solar TOPCon battery can be met at the same time.
Owner:ZHEJIANG GUANGDA ELECTRONICS TECH

Preparation method of multi-layer low-gloss black polyimide thin film

The invention discloses a preparation method of a multi-layer low-gloss black polyimide thin film. The preparation method comprises the following main steps: I, preparing a polyamide acid film; II, preparing a black blending polyamide acid resin solution; III, evenly coating the upper and / or lower surface of the polyamide acid film with the black blending polyamide acid resin solution, heating andcuring to obtain a multi-layer black polyamide acid film; IV, and stretching in two ways, conducting imidization and sizing to obtain the multi-layer low-gloss black polyimide thin film. The preparation of the black blending polyamide acid resin solution in the step II comprises the following steps: preparing the polyamide acid resin solution, a black slurry and a delustrant dispersion solution,adding a flocculant into the three, blending, stirring at the low temperature, defoaming, preheating, and agglomerating. The average particle size of a black pigment and a delustrant is 0.01-0.8 [mu]m, the delustrant is added into the condensation polymerization synthesis process of a polyamide acid resin, and the light transmittance, the glossiness, the electrical property and the physical and mechanical property of the obtained multi-layer thin film are obviously improved.
Owner:GUILIN ELECTRICAL EQUIP SCI RES INST

System for detecting water quality parameter of different water depths by automatically controlling depth of sensor

The invention relates to a system for detecting water quality parameter of different water depths by automatically controlling depth of a sensor. The system comprises a buoy body, a lifting mechanism,an electric cable, the sensor, an intelligent control unit, a power supply unit and an upper computer. The upper end of the electric cable is connected to the lifting mechanism while the lower end thereof extends into water; the sensor is arranged at the lower end of the electric cable; the intelligent control unit comprises a controller and a wireless communication module; the lifting mechanismis connected with the controller and the sensor respectively and used for controlling the depth of the sensor in water; the sensor is connected with the controller and used for transmitting the detected water quality parameter to the controller; the wireless communication module is connected with the controller and the upper computer and used for receiving the water quality parameter sent from thesensor to the controller and transmitting the water quality parameter to the upper computer; the power supply unit is connected with the lifting mechanism and the controller and used for supplying power to the lifting mechanism and the controller. By application of the system, there is no need to use multiple sensors, and thus detection cost is reduced while burden on enterprises is lowered.
Owner:FUJIAN WIDE PLUS PRECISION INSTR

Low-temperature coal carbonization kiln

The invention discloses a low-temperature coal dry distillation square furnace, which comprises a furnace body, a coal scuttle, a coke pusher, and a branch pipe mixer. A gas-collecting array umbrella is installed on the top of the furnace chamber. The lower part is provided with several rows of air-distributing flower walls, and each row of air-distributing flower walls corresponds to the interval between every two adjacent parasols of the air-collecting array umbrella, and the two adjacent rows of air-distributing flower walls are supported by bow-shaped walls; each row of air-distributing flower walls Two branch pipe mixers are inserted on the front and rear sides; a coke discharge box is connected to the lower end of the furnace body, a coke guide groove is connected under the coke discharge box, a coke pusher is arranged under the coke guide groove, and a coke pusher plate of the coke pusher is installed A water seal tank, a scraper machine is arranged in the water seal tank. The present invention adopts internal combustion and internal heat heating scheme, and the heating is uniform. The gas-collecting array umbrella and auxiliary coal box are used to make the cloth evenly and collect gas evenly. The coke pushing mechanism is used to make the discharge uniform. Therefore, the maximum production capacity is fully utilized, the investment is reduced, the benefit is improved, it is easy to operate, employs less people, and can realize automatic control.
Owner:SHAANXI SHENMU SAN JIANG COAL CHEM

High and low light integrated headlamp based on laser light source and lighting method thereof

The invention relates to a laser light source integrated far and near beam headlamp, which includes a light source reflection and rotation mechanism, a near and far beam reflector and a laser light source. The laser light source includes six blue laser diodes with a wavelength of 450nm, an optical fiber and a quartz substrate light source. The waveguide chip and the prism of yellow fluorescent powder, the light source reflection and rotation mechanism include a skeleton wound with an electromagnetic coil, a magnet, a push rod and a light source reflector, the rear middle part of the light source reflector is hinged on the lamp body, and a ball The headgear is connected with the ball head on the inner side of the mandrel and can be rotated relatively. The spring set on the mandrel bears on the frame and the shoulder of the mandrel. Lower high beam reflector. The invention adopts a laser light source to meet the light distribution requirements of high beam and low beam at the same time, and realizes switching between high beam and low beam through dimming, which can reduce the size and weight of lamps, and improve the anti-vibration and anti-destructive ability of the light source.
Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST CO LTD

Cooling water-tower sprinkling plate structure

The invention relates to a structure concerning on cooling water tower aspersing structure, especially the cooling water tower aspersing disc structure. It includes disc identity that is made up of plural portrait ribs or plural athwart ribs or plural portrait ribs and plural athwart ribs. Flowing channel is set inside the rib, and the notching is set at the side of the flowing channel. The benefit of the invention is that it could shorten the cooling time and improve cooling efficiency.
Owner:宋柏翰

Anti-explosion electric heating tube

The invention discloses an anti-explosion electric heating tube. The anti-explosion electric heating tube comprises one or more electric heating tube components, a micro magnetic stirring apparatus and a flange. A medium can be stirred by the micro magnetic stirring apparatus to be heated uniformly, so that a tube explosion phenomenon caused by too much heat accumulation of the electric heating tube components due to overhigh partial heating speed on the medium can be avoided.
Owner:苏州刘爱英科技信息咨询有限公司

Network cable gathering device capable of reducing diameter of roller according to rotating speed

The invention provides a network cable gathering device capable of reducing the diameter of a roller according to the rotating speed, and relates to the technical field of network cables. The networkcable gathering device capable of reducing the diameter of the roller according to the rotating speed comprises baffles, a rotating shaft is movably installed in the baffles, first air bags are fixedly connected into the baffles, U-shaped covers are fixedly connected to the bottoms of the first air bags, and air springs are fixedly connected to the ends, away from the U-shaped covers, of the firstair bags; telescopic rods on the outer side of the rotating shaft are driven to move through rotation of the rotating shaft, the air bags are extruded through the U-shaped covers then cooperate withthe air springs for use, when the rotating speed of the rotating shaft is higher, the diameter of a spring ring is increased, accordingly, the distance between expansion plates is increased, and the effect of evenly gathering a network cable is achieved; and an inflatable air bag is inflated through the first air bags, therefore, the size of the inflatable air bag is increased, transmission rods are driven to move, clamping heads are exposed, and the effect of preventing the network cable from slipping is achieved.
Owner:张宇

Self-checking cable winding device

InactiveCN112678615AAvoid Winding ProblemsSave time on manual inspectionFilament handlingForeign matterStructural engineering
The invention discloses a self-checking cable winding device. The device comprises cable winding fixing pieces, a cable is wound around the outer circle face of a cable winding cylinder, and the left end face and the right end face of the cable winding cylinder are symmetrically and rotationally connected with the cable winding fixing pieces; and reciprocating fixing pieces are fixedly arranged at the positions, close to one end face of the cable winding cylinder and located at the upper side of the cable winding cylinder, of the cable winding fixing pieces at the left side and the right side, a reciprocating cavity penetrating front and back is formed in the center in each reciprocating fixing piece, and a reciprocating block capable of sliding left and right is arranged in each reciprocating cavity. According to the self-checking cable winding device, the cable winding cylinder rotates to drive rotating pieces at the left side and the right side to slide, and then the reciprocating blocks are driven to continuously reciprocate left and right, so that the cable can be uniformly folded on the outer circle surface of the cable winding cylinder, and the problem of winding of the cable is prevented; and meanwhile, foreign matter or deformation detection is performed on the outer circle surface of the cable through multiple sensing blocks, and then a marking manner is adopted, so that the manual detection time is saved, the subsequent maintenance work is facilitated, and the maintenance efficiency is improved.
Owner:杭州遥卡数码电子有限公司

Test device and method for failure and instability process and dynamic permeability characteristics of pressurized rock

A test device and method for the failure and instability process and dynamic permeability characteristics of a confined rock, using a large-scale pressure-bearing rock permeability test device, through the stress-strain signal, acoustic emission signal and apparent resistivity signal during the failure and instability process of the confined rock Acquisition and processing of large-scale confined rock to obtain the stress-strain relationship, the number and location of acoustic emission events, and the rock apparent resistivity change law caused by the infiltration and rise of confined water in the process of large-scale confined rock failure and instability, and obtain the water-force coupling effect. The dynamic evolution law of fracture expansion, penetration and instability in the process of rock failure and its corresponding dynamic seepage characteristics. Research on rock water-force coupling failure mechanism and pressure seepage characteristics, deformation and strength characteristics of rock under water-force coupling, crack expansion, penetration and failure characteristics, and permeability evolution of confined water in the process of crack expansion-penetration-destruction law. It has important engineering value in realizing the safety belt mining in confined water.
Owner:ANHUI UNIV OF SCI & TECH

Mixed dust separating device

PURPOSE: A combination type dust collecting apparatus is provided which maintains high dust collecting performance of the dust collecting apparatus and substantially extends performance and life time of dust collecting filter at the same time. CONSTITUTION: In a combination type dust collecting apparatus in which discharge electrodes(20), collecting electrodes(30) and dust collecting filters(40) are installed inside a main body(10) having inlet(11) and outlet(12), the combination type dust collecting apparatus comprises a splitting plate(50) installed inside the main body between the inlet and outlet; a plurality of mounting holes(51) formed on the splitting plate with being spaced apart from each other in a certain distance; cylindrical dust collecting filters one end of which is insertingly adhered to the mounting holes in a lower part of the splitting plate, and which are horizontally installed in a plurality of rows; a plurality of collecting electrodes which are adhered to the lower surface of the splitting plate at both sides of the dust collecting filters with being spaced apart from each other, and which are arranged slantly and horizontally in a row; a plurality of discharge electrodes which are spaced apart from each other at an outer side of the collecting electrodes and adhered to a mounting ring(60) vertically installed inside the main body in a plurality of rows; guiding portions(70) installed at the lower surface of the splitting plate in front of the collecting electrodes and dust collecting filters corresponding to the inlet; and an outlet installed at one side of the main body in an upper part of the splitting plate.
Owner:KOREA INST OF ENERGY RES

Remote controlled single channel outputting method for concentrating controller in digital analog TV-set

The invention consists of: TV station signal output device; HFC transmission network; hub and descramble controller; user terminal device. The remote control for single channel output at the mode of signal processing combining channel processing can make scramble / descramble of digital cable TV more efficiency, safety.
Owner:梁光海

Anesthetic atomizer with aggregation effect

InactiveCN112604097AHas a gathering effectGather evenlyMedical atomisersPharmacy medicineEngineering
The invention relates to the technical field of anesthesia, and discloses an anesthetic atomizer with an aggregation effect. The anesthetic atomizer comprises a shell, a button is fixedly connected to the outer part of the shell, an atomizing port is formed in the surface of the shell, a gathering cover is fixedly connected to the outer part of the atomizing port, a positioning plate is fixedly connected to the inner part of the shell, and a chute is formed in the surface of the positioning plate; under the interaction of an atomizing port, the gathering cover, the positioning plate, the chute, a first connecting rod, a movable block, a rotating shaft, a second connecting rod, a sliding rail, a sliding block, a moving plate, a clamping block, a spraying plate, a sliding rod, a stirring fan, a storage tank and an electromagnetic pump, anesthetic can greatly improve dense fog of medicine through the gathering function, the anesthetic speed is increased, and the anesthetic quality is improved; therefore, the anesthesia time is shortened, the anesthesia effect is better, the pressure and fear of the heart of a patient are relieved, and the operation is more user-friendly.
Owner:朱伟波

Phase error elimination method of digital demodulation system for bio-impedance measurement

The invention belongs to the technical field of bio-impedance measurement, and particularly discloses a phase error elimination method of a digital demodulation system for bio-impedance measurement. The method particularly comprises the following steps: initializing conditional variables of a system and the cycle length of input signals; judging whether the system is started; starting up a cycle timer and an ADC simultaneously; delaying the cycles of digital signals obtained by conversion by the ADC within the time period of T(2n-1); and detecting and judging whether the number of cycles is an even number, and outputting the digital signals. Therefore, the sampling time of two groups of cycle signals is subjected to cycle delay by a cycle delay mode, so that the initial phases of sampling of the two groups of same cycle signals are equal in value, and the interval for sampling the two groups of signals by the ADC is integer multiples of the cycle of the input analog signals during digital demodulation, thereby achieving the aims of eliminating the problem of phase error caused by different phases of the two groups of signals acquired by the ADC and improving the operation accuracy of acquired data.
Owner:SEALAND TECH CHENGDU

A secondary concentrator

The invention relates to a secondary condenser. The overall secondary condenser is columnar and comprises a top and a bottom, the bottom can be connected with a solar battery of a condensation solar photovoltaic system, and the surface of the lateral wall of the condenser is composed of a rugged curve face formed by a plurality of tiny units. By means of the secondary condenser, the light distribution uniformity can be improved through the adoption of the rugged curve face on the lateral wall of the secondary condenser, the problems of inapplicability and poor universality caused when incident rays departure from the axis to a large extent in the prior art are solved, the secondary condenser has the good practicability, and the manufacturing cost of the condensation solar photovoltaic system is reduced.
Owner:SHANGHAI INST OF SPACE POWER SOURCES

Material box for microwave heating

The invention discloses a material box for microwave heating, and relates to the field of microwave heating. Electrodes are arranged on the lower bottom surface of a box body. According to the resonant cavity theory and the medium perturbation theory, the electrodes are added into the material box, electromagnetic field distribution is improved, and electromagnetic field energy is evenly gathered in the material box. The material box can be used for heating soil and other materials with poor medium characteristics and weak microwave absorption characteristics, the temperature rise rate can be effectively increased, the treatment period is shortened, and heating energy consumption is reduced. The material box has wide popularization and application values in the application fields of environmental protection, chemical materials, mining and metallurgy products and the like.
Owner:HUNAN HANGTIAN CHENGYUAN PRECISION MACHINERY

TOPCon battery main grid silver paste and preparation method thereof

The invention relates to a main grid silver paste for a TOPCon battery. The main grid silver paste comprises 78 to 85 wt% of mixed silver powder, 1 to 5 wt% of main glass powder Pb-Si-Ti-Zn oxide, 0.1 to 2 wt% of auxiliary glass powder Bi-Si-Mn-Cu oxide, 8 to 20 wt% of an organic carrier and 0.5 to 5 wt% of an organic auxiliary agent, the mixed silver powder is a mixture of spherical silver powder A, sphere-like silver powder B and nano silver powder C; the fineness of the main grid silver paste is smaller than 8 microns, and the viscosity of the main grid silver paste at the rotating speed of 5 rmp is 90-150 Pa.S / 25 DEG C. The main grid silver paste has a wide sintering window and high photoelectric conversion efficiency, and can be used for main grid electrodes on the front and back surfaces of a TOPCon battery at the same time.
Owner:ZHEJIANG GUANGDA ELECTRONICS TECH

Efficient factor secreting type NK cell amplification method and application thereof

The invention discloses an efficient factor secreting type NK cell amplification method and application thereof, and relates to a factor secreting type NK cell amplification method and application thereof, in particular to a CD56light NK cell amplification method and application thereof, and aims at solving the problems that the number and the purity of the CD56light NK cells amplified by an existing method are low. The method comprises the following steps: 1, separating mononuclear cells in cord blood or peripheral blood; 2, sorting the mononuclear cells by using a sorting type flow cytometer; 3, culturing the sorted cells, inoculating CD56 strongly positive cells into a T25 bottle for culturing, collecting the cells when the cells are cultured for the third day, and supplementing the cells into a serum-free culture medium for continuous culture; when the culture is carried out for the 5th day, transferring into a T75 culture bottle, and supplementing a serum-free culture medium; and supplementing liquid every two days, and culturing to the 15th day. The factor secreting type NK cell prepared by the method can be used for resisting inflammation. The method is applied to the field of factor secreting type NK cell amplification.
Owner:天晴干细胞股份有限公司

A clavicle intramedullary nail fixation anchor and a clavicle intramedullary nail fixation device

The invention belongs to the technical field of clavicular fracture fixation, and in particular relates to a clavicle intramedullary nail fixation anchor and a clavicular intramedullary nail fixation device. The present invention includes a basic screw sleeve, the outer wall of which is used to fit on the positioning hole at the clavicle in an expansion or threaded manner, and the lumen of the basic screw sleeve is formed so that the intramedullary nail can enter through the positioning hole The passing cavity of the clavicle medullary cavity; the fixation anchor of the clavicle intramedullary nail also includes a positioning piece for radially locking the end of the intramedullary nail. The clavicle intramedullary nail anchor achieves reliable positioning of the end of the intramedullary nail, and prevents the intramedullary nail from falling off and accidentally twisting in the intramedullary cavity of the clavicle; while the clavicle intramedullary nail fixation device is used for minimally invasive Under the environment, it can realize the efficient fixation function of the fractured clavicle.
Owner:HEFEI NO 2 PEOPLES HOSPITAL
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