35results about How to "Change uniformity" patented technology

The invention discloses a multifunctional critical-current uniformity non-destructive and continuous detection device of a superconducting band material. The multifunctional critical-current uniformity non-destructive and continuous detection device is characterized in that a pay-off disc and a take-up disc are respectively arranged above the left upper part and the right upper part of an opened Dewar bottle which contains liquid nitrogen; the pay-off disc, the take-up disc and the Dewar bottle are respectively arranged in a sealing box; the Dewer bottle is internally provided with a guide wheel I, a guide wheel II, an excitation device, a magnetic-field measuring instrument and a guide wheel III in sequence from left to right; a height-adjustable top guide wheel is also arranged between the guide wheel I and the guide wheel II; an encoder is arranged above the left side of the guide wheel I or the right side of the guide wheel III of the Dewar bottle; and the excitation device, the magnetic-field measuring instrument, the encoder, a laser range finder I and a laser range finder II are respectively and electrically connected with a monitoring and controlling system. The multifunctional critical-current uniformity non-destructive and continuous detection device disclosed by the invention has the advantages that on the basis of testing the critical-current uniformity of the superconducting band material in a non-contact and continuous manner, the length of the band material also can be measured, the destructed position is accurately positioned, the change of the characteristic of the critical current of the band material can be tested when the tension and the bending degree are variable, and the destruction to the superconducting band material is less in testing.

The invention discloses a corner cutting circuit in a liquid crystal panel driving system, and a levelness adjusting system and method; the corner cutting circuit comprises a discharge resistor; and the discharge resistor is an adjustable resistor with adjustable resistance. According to the corner cutting circuit in the liquid crystal panel driving system, the levelness adjusting system and method, because the discharge resistor of the corner cutting circuit in the liquid crystal panel driving system is changed into the adjustable resistor with the adjustable resistance, the discharge slope can be changed by adjusting the resistance of the discharge resistor, so that the levelness of a liquid crystal panel is changed; and in such manner, the discharge resistance can be adjusted without changing the discharge resistor, so that the levelness of each liquid crystal panel can be regulated, and the production quality of the liquid crystal panel is improved.

The invention relates to a waste gas purifying and weighing integrated reaction kettle device which comprises a kettle body, a waste gas treating and purifying device and a weighing device arranged at the top of the kettle body. A kettle cover is arranged at the top of the kettle body, a material inlet, a gas discharging hole and a thermometer sleeve are arranged on the kettle cover, and the waste gas treating and purifying device is positioned at the upper end of the kettle body and fixed through a mounting frame. By arranging a waste gas filtering layer, a waste gas adsorbing layer and a waste gas ventilating layer, a lot of high-concentration organic waste gas generated in the process of reaction for preparing adhesive resin can be treated and absorbed to reach discharging standards; a ventilating wall plate having a certain inclination angle is arranged, so that noise in the process when a fan runs can be lowered. The waste gas purifying and weighing integrated reaction kettle device is compact in structure, high in automation level and convenient and simple to operate.

The invention relates to an improved ventilation nozzle, in particular for heating web-shaped materials (3), comprising a supply chamber (17) and a distribution chamber arrangement (19), which is connected to the supply chamber (17) via an overflow arrangement. An improvement can be achieved in that in the ventilation nozzle (9) at least one temperature-control section (35) extending in the longitudinal direction (L) of the ventilation nozzle is provided with an integrated heating device (35a).

A lighting device comprises a first lamp body and is characterized by further comprising a second lamp body and an angle turning device. The first lamp body comprises a fixed part and a light source arranged on the fixed part. The second lamp body comprises a fixed part and a light source arranged on the fixed part. The angle turning device is connected with the fixed parts of the first lamp body and the second lamp body. The second lamp body is connected to one side of the first lamp body in a rotatable mode through the angle turning device. According to the lighting device, a mode of combination of the first lamp body and the second lamp body is adopted, wherein an angle of the second lamp body corresponding to the surface of a lighted object can be adjusted through the angle turning device according to requirements, not only can a wide angle of the lighting device be changed, but also uniformity of the lighting device in an effective lighting range can be changed, and therefore the lighting device is enabled to be suitable for different lighting environments.

The invention discloses a preparation method of a carbon fiber uniformly-electroplated copper layer. The method comprises the steps: (1) desizing carbon fibers; (2) fixing the carbon fibers; and (3) taking the carbon fibers as a cathode and a phosphor copper plate as an anode, connecting a circuit, putting the connected circuit into an electroplating bath containing an electroplating liquid, adjusting the distance between the cathode and the anode to be 4-10 cm, keeping the current density to be 0.80-1.00 mA / cm<2>, the voltage to be 1.5-3.0 V and the electroplating temperature to be 10-30 DEGC, and electroplating for 60-90 min, wherein the electroplating liquid comprises CuSO4.5H2O, C4H4O6KNa.4H2O, C6H5Na3O7.2H2O, KNO3, polyethylene glycol, NaCl and water. According to the method, by controlling the components, the concentration and the current density of the electroplating liquid, the thickness, the uniformity and the surface appearance of the electroplated carbon fiber copper plating layer can be changed, the binding force of the plating layer is good and uniform, and the carbon fibers cannot be bonded.

The invention relates to the field of film preparation, in particular to a device for improving the quality of arc ion plated deposition film which is used to solve the problems that because large particles existing in arc ion plating severely impact the performance and the service life of the coating and the film, etc. In the invention, a double-layer baffle with hole is arranged between the target and the substrate of the arc ion plated deposition device, coaxial with the target and the substrate, and a generating device used to strengthen the magnetic field is arranged behind the substrate. The invention is a convenient device used in the arc ion plating deposition process, which is used to reduce the content of large particles in the film, reduce the roughness of the surface of the film and improve the performance and service life of the film, and thus meeting the requirements for preparing high-quality film.

Based on different gyromagnetic ratios, liquid state components are divided to A class and B class in order to form series of standard sample in different porosities. The method includes steps: solving relaxation agent C class to A class so as to constitute X fluid, and controlling concentration of C in 0.002%-2%; solving relaxation agent C class to B class so as to constitute Y fluid, and controlling concentration of C in 0.002%-2%; using digital titrator to distribute X fluid, and Y fluid to make total volume keep a constant value 0.1-20 milliliter, and control volume ratio between X fluid, and Y fluid being as 0.05% - 50% in order to form series of standard sample with porosities 1% - 36%. The invention provides accurate quantitative correction of porosity parameter for nuclear magnetic resonance apparatus.

The invention relates to a two-dimensional pile soil interaction experiment system based on PIV technology and an experiment method. The system comprises a two-dimensional vibration generating structure capable of controlling vibration force amplitude and vibration frequency, and the two-dimensional vibration generating structure is arranged on a plane; the system further comprises a data collecting and processing module applying PIV technology and in communication connection with the two-dimensional vibration generating structure through a data line. By the system and the method, vibration frequency, force amplitude, pile foundation rigidity, pile foundation buried depth, soil saturation and uniformity can be changed directly or indirectly, and impact of the above factors on soil movementcan be researched; soil particle movement process can be measured by adopting a noncontact way without damaging undisturbed soil.

The present invention provides an electric slurry jet electrode device and its system. The electric slurry jet electrode device comprises a locating base, a porcelain tube, a disk and a high voltage metal electrode, the disk is provided with a plurality of inclined holes which are slantways run through, a dielectric substance discharge slurry area is provided between the high voltage metal electrode and the porcelain tube, the device further comprises a rotary base, a chassis and a grounding electrode, a low temperature non-balanced slurry area is formed between the grounding electrode and the high voltage metal electrode, a nozzle head having a magnetic around it is mounted on the bottom of the chassis; thus, the design ensures the stronger slurry generate and flowingly forms a turbulent mode, rotatablely ejecting by the nozzle head, thereby improving the processing area and evenness of the electric slurry. The electric slurry jet electrode system fixes at least one electric slurry jet electrode by a supporter, greatly enhancing the processing area of the electric slurry, and improving the functions of cooling, introduction, film coating and etching and the like of the parts.

The invention provides a flavor food drying / flavoring all-in-one machine, comprising a vacuum tank, a feed liquid tank, a vacuum pump, a hot air generator and a hanging basket, wherein the hot air generator is provided with an air inlet pipe, one end of the air inlet pipe is connected with the hot air generator, the other end of the air inlet pipe is connected with the vacuum tank, and the end, close to the vacuum tank, of the air inlet pipe is provided with a hot air vent; the vacuum pump is provided with a suction pipe, one end of the suction pipe is connected with the vacuum pump, and the other end of the suction pipe is connected with the vacuum tank; the feed liquid tank is provided with a feeding pipe, one end of the feeding pipe is connected with the feed liquid tank, and the other end of the feeding pipe is connected with the vacuum tank; the feeding pipe is provided with a valve, the top of the vacuum tank is provided with a seal cover, the hanging basket is arranged in the vacuum tank, and flavor food is arranged in the hanging basket. The flavor food drying / flavoring all-in-one machine has flavoring and drying functions, thus solving the problems of conventional separation of flavoring from drying, nonuniform flavoring and serious waste.

The method for measuring the conversion efficiency of a dye-sensitized solar cell and the single-wavelength quantum efficiency comprises the following steps: determining the size of the light-receiving area of ​​the dye-sensitized nano-thin film solar cell, building a balanced bridge compensation circuit, and obtaining a current-voltage curve, which is obtained directly through a computer program Open-circuit voltage, short-circuit current, fill factor, conversion efficiency and other parameters; under the same monochromatic light conditions, measure the short-circuit current signals of the standard reference cell with known parameters and the experimental dye-sensitized nano-thin film solar cell, and compare the two Comparing calculations, the single-wavelength external quantum efficiency of the experimental dye-sensitized nano-thin film solar cell is obtained; an integrating sphere is placed at the spatial position before the dye-sensitized solar cell receives light for light integration, and the short-circuit current signal is measured, which is compared with the current of the standard reference cell The signals were compared and calculated to obtain the single-wavelength internal quantum efficiency of the experimental dye-sensitized nano-thin film solar cell.

The invention relates to a pipeline type hollow control layer for slope cooling of a frozen soil roadbed. The pipeline type hollow control layer for the slope cooling of the frozen soil roadbed is characterized in that the hollow control layer is of a layer structure formed by multiple hollow tubes fixed side by side, and the hollow tubes are of an integral structure; the hollow control layer is laid along the up and down slope of the roadbed; the highest point of a vent, located on the shoulder side of the road, of the hollow control layer is 90-150 centimeters away from the road surface. Thepipeline type hollow control layer for the slope cooling of the frozen soil roadbed has the advantages of enabling overall roadbed slope cooling efficiency to be multiplied with an one-way ventilation cooling process of a roadbed control mechanism in the past changed to a two-way ventilation cooling process, and allowing the cooling efficiency of air flow from shady slope to sunny slope to be prominent especially in winter. Furthermore, two cost-effective cooling structures are also provided for high fill roadbed, and both cost-effective cooling structures find effective solutions to solvingthe important threat of shady and sunny slope effect to the stability of the roadbed and effectively settling the problem of highway construction in permafrost regions.

The invention relates to the technical field of machine room environment management, in particular to a machine room temperature and humidity adjusting system. The machine room temperature and humidity adjusting system comprises an air conditioner, a plurality of ventilation pipelines, valves, a control assembly and an air diffuser, wherein the valves are used for controlling the opening / closing of the ventilation pipelines; the control assembly is used for controlling the opening and closing of each valve in order that the ventilation pipelines delivery air simultaneously; the air diffuser comprises a mounting frame, purlins and a plurality of blade groups which are arranged between adjacent two purlins respectively; the blade groups comprise a plurality of guide blades which are rotationally assembled with the purlins; and the driving assembly is assembled with the guide blades, and is used for driving the guide blades to rotate. Firstly, through the arrangement of the ventilation pipelines, output air of the air conditioner can be dispersed and uniformly conveyed to different positions in a machine room, and then the guide blades are driven to rotate through the driving assembly, so that the angles of the guide blades can be changed; the output air of the air conditioner can be dispersed to different directions through the diffuser; and the temperature and humidity changes in the machine room are more uniform and unified.

An assembly (10) for feeding liquid to the inlet of a liquid spraying device or spray gun (11). The assembly includes a rigid container (12) and a flexible liner (20) positioned within a cavity in the container (12), the liner having an outer surface generally conforming in shape to the inner surface of the container and an annular lip along the top of the side wall and forming an opening into the cavity of the bushing (20). An air supply assembly (90) connected to the container (12) supplies air at a relatively low pressure between the outer surface of the flexible liner (20) and the inner surface of the container (12), which improves flow through the container (12). The assembly is attached to a spray device or spray gun for fluid flow and enables use of the spray device or spray gun in any orientation (11).

The invention relates to the technical field of silicon wafer abrasive material production methods. The invention further discloses an abrasive material for a large-diameter silicon wafer and a production method of the abrasive material. The abrasive material comprises the following raw materials in parts by mass: 45% of zirconium silicate ZrSiO4, 55% of aluminum oxide Al2O3, a small amount of a catalyst and a small amount of a binding agent. Firstly, zirconium silicate and aluminum oxide are guided into a mixing bin according to the mass ratio to be evenly mixed and stirred, the mixture is guided into a rotary kiln to be sintered after being evenly stirred, a catalyst and a binding agent are added, and after sintering is completed, a semi-finished product is guided into a jet mill crusherto be subjected to particle crushing. Compared with other composite grinding materials, the difference between the production method adopted by the invention and the production methods of the other composite grinding materials is that two materials are used for calcining to obtain particles with relatively close physical properties and chemical properties, and the ratio of the two materials withdifferent properties can be kept unchanged, so that the uniformity of the product in processing and use is thoroughly changed, and the use effect is greatly improved due to the characteristics of thematerials.

The invention discloses an ultrasonic vibration assisted magnetic grinding device, which comprises an ultrasonic generator, a protective sleeve, a transducer, a conical-cylindrical composite horn, a magnetic field intensity adjustment mechanism and a tool head; the transducer and the horn It is connected by thread, and the conical-cylindrical compound horn and the tool head are connected together by thread, and the flange of the horn and the protective sleeve are connected together by bolts; the output end of the transducer is connected with the cone of the horn The end faces are connected by threads, which can ensure the balance of energy transmission and reduce energy loss; the magnetic field is provided by permanent magnets, which are installed in the holes on the tool head, and can be changed and permanent by adjusting the magnetic field strength adjustment mechanism. The distance between the bottom surface of the magnet and the arc surface of the tool head changes the magnetic induction intensity of the arc surface. The invention is mainly used in the precision polishing of the outer circle of hard and brittle materials, and the device has a wide range of applications and has a good application prospect.

The invention discloses tilling equipment for agricultural planting, comprising a bottom plate, one side of the top of the bottom plate is provided with a supporting column 2, the top of the supporting column 2 is provided with a supporting plate 2, and the other side of the top of the bottom plate is provided with a fixed plate 3. Two ends of the top of the fixed plate 3 are provided with limiting plates, and a fixed plate 2 is disposed at the top of the fixed plate 3 and between the limiting plates at two sides. A supporting column 1 is disposed at the top of the fixed plate 2, and a supporting plate 1 is disposed on the upper part of one side, away from the supporting column 2, of the supporting column 1. Two ends of one side, away from the supporting column 1, of the supporting plate 1are provided with a rotating disc 1 and a rotating disc 2, respectively. One side, away from the supporting plate 1, of the rotating disc 1 is provided with a connecting rod 1, and one side, away from the supporting plate 1, of the rotating disc 2 is provided with a connecting rod 1. The beneficial effects comprise that the tilling equipment can more uniformly and thoroughly turn soil, improves the soil tilling quality, reduce manual labor and improve work efficiency.

The invention discloses a high-temperature thin film strain gauge and its manufacturing method. The high-temperature thin film strain gauge comprises a SiO2 insulating film, a strainmeter sensitive grid film, a sensitive grid barrier film and a bonding pad barrier film. The area of a strainmeter sensitive grid is covered with the sensitive grid barrier film. The area outside the strainmeter sensitive grid is covered with the bonding pad barrier film. The strainmeter sensitive grid is a NiCr alloy strainmeter sensitive grid. The sensitive grid barrier film is a SiOxNy film. The bonding pad barrier film is an ITO film. By using the SiOxNy film as an antioxidant protection film of a thin film strain gauge, life of the thin film strain gauge is prolonged. By using the ITO film as a protective film of a bonding pad part, reliability and life of the thin film strain gauge in a high-temperature working environment are effectively improved. Structure and physical properties of the NiCr high-temperature thin film strain gauge are not changed within the range of 600 DEG C, and the NiCr high-temperature thin film strain gauge has good stress-strain test performance.

The RE fodder additive consists of RE nitrate 35-45 wt%, RE chloride 35-45 wt%, sodium humate 4.5-5.5 wt%, ferrous sulfate 0.75-0.85 wt%, manganese sulfate 0.35-0.45 wt%, zinc sulfate 0.35-0.45 wt%, sodium citrate 1.5-2.5 wt% and Chinese medicinal stone 10-13 wt%. The additive has RE nitrate, RE chloride and sodium humate as main material, Chinese medicinal stone with nourishing health care function as supplementary material and trace elements essential for animal to grow, and can activate the growth factor in animal body, promote enzyme conversion, raise fodder converting rate, speed the growth of animal and strengthen the immunity of animal. Sodium humate added as biological stimulator can regulate the gastrointestinal function of animal, promote digestion, prevent disease and raise immunity.

The invention discloses a method for preparing a uniform electroplated copper layer of carbon fibers. The method comprises: (1) desizing carbon fibers; (2) fixing carbon fibers; In the electroplating tank containing the electroplating solution, adjust the distance between the cathode and the anode to be 4-10cm, and keep the current density at 0.80-1.00mA / cm 2 , the voltage is 1.5-3.0V, the electroplating temperature is 10-30°C, and the electroplating is 60-90min. Among them, the electroplating solution contains: CuSO 4 ·5H 2 O, C 4 h 4 o 6 KNa·4H 2 O, C 6 h 5 Na 3 o 7 2H 2 O. KNO 3 , polyethylene glycol, NaCl and water. The method of the invention can change the thickness, uniformity and surface appearance of the carbon fiber copper coating after electroplating by controlling the composition, concentration and current density of the electroplating solution, and the coating has good and uniform bonding force and no bonding between carbon fibers.

The invention relates to a two-dimensional pile soil interaction experiment system based on PIV technology and an experiment method. The system comprises a two-dimensional vibration generating structure capable of controlling vibration force amplitude and vibration frequency, and the two-dimensional vibration generating structure is arranged on a plane; the system further comprises a data collecting and processing module applying PIV technology and in communication connection with the two-dimensional vibration generating structure through a data line. By the system and the method, vibration frequency, force amplitude, pile foundation rigidity, pile foundation buried depth, soil saturation and uniformity can be changed directly or indirectly, and impact of the above factors on soil movementcan be researched; soil particle movement process can be measured by adopting a noncontact way without damaging undisturbed soil.

The invention discloses a multifunctional critical-current uniformity non-destructive and continuous detection device of a superconducting band material. The multifunctional critical-current uniformity non-destructive and continuous detection device is characterized in that a pay-off disc and a take-up disc are respectively arranged above the left upper part and the right upper part of an opened Dewar bottle which contains liquid nitrogen; the pay-off disc, the take-up disc and the Dewar bottle are respectively arranged in a sealing box; the Dewer bottle is internally provided with a guide wheel I, a guide wheel II, an excitation device, a magnetic-field measuring instrument and a guide wheel III in sequence from left to right; a height-adjustable top guide wheel is also arranged between the guide wheel I and the guide wheel II; an encoder is arranged above the left side of the guide wheel I or the right side of the guide wheel III of the Dewar bottle; and the excitation device, the magnetic-field measuring instrument, the encoder, a laser range finder I and a laser range finder II are respectively and electrically connected with a monitoring and controlling system. The multifunctional critical-current uniformity non-destructive and continuous detection device disclosed by the invention has the advantages that on the basis of testing the critical-current uniformity of the superconducting band material in a non-contact and continuous manner, the length of the band material also can be measured, the destructed position is accurately positioned, the change of the characteristic of the critical current of the band material can be tested when the tension and the bending degree are variable, and the destruction to the superconducting band material is less in testing.

The invention discloses a waterproof adhesive for a cement base surface, and a preparation method and application thereof. The waterproof adhesive for the cement base surface comprises the following raw materials in percentage by mass: 12%-18% of a water-based acrylic emulsion, 0.2%-0.25% of a water-based defoaming agent, 8%-12% of a water-based tackifier, 0.03%-0.035% of an anti-freezing agent, 4%-6% of a cement early-strength emulsion, 2%-4% of a water-based thickener and 60%-70% of deionized water. The preparation method of the waterproof adhesive in the invention is characterized by comprising the following steps: adding deionized water into dispersion equipment; then adding the water-based acrylic emulsion and the water-based tackifier, and carrying out shearing dispersion at a rotating speed of 550 rad / min to 650 rad / min for 30 min to 35 min; then, adding the cement early-strength emulsion, carrying out dispersion and stirring for 50 min to 60 min at a rotating speed of 1100 rad / min to 1200 rad / min; and finally, adding the water-based thickening agent, the anti-freezing agent and the water-based defoaming agent, and carrying out stirring at the rotating speed of 550 rad / min-650 rad / min for 8 min-12 min to obtain a finished product. The product is easy to dissolve with cement and easy to stir, construction time is effectively saved, construction efficiency is improved, thewaterproof performance of a waterproof layer of the cement base surface is improved, and the waterproof service life of the waterproof layer is prolonged.

The invention discloses a device for guiding out ions in a diamond-like film ion source. The device comprises a partition plate mounted at the left end of a protecting shell. A process gas inlet tube is transversely mounted in the middle of the partition plate. An internal baffle is mounted on the left end face of the partition plate. A mounting flange is fixed on the partition plate on the periphery of the internal baffle. An ion source retaining ring is mounted on the mounting flange. A process gas diffusion plate is mounted on the outer side of the internal baffle in an interval manner. An anode mounted on the internal baffle and the partition plate in a penetrating manner is arranged on the periphery of the process gas diffusion plate. A tungsten wire is arranged between the anode and the process gas diffusion plate. The device has the advantages that the device is novel in structural design, process gas diffusion evenness can be increased effectively by the structural design of the process gas diffusion plate and the anode, and accordingly the evenness and deposition rate of a thin film are increased and can be adjusted.

The invention discloses a fishing net wire traction coolant which is prepared from the following raw materials in parts by weight: 5-6 parts of rosin amine, 10-12 parts of silicone emulsion, 20-30 parts of waste engine oil, 3-4 parts of clove oil, 4-5 parts of aqueous acrylic ester and 1-2 parts of NaCl. The waste engine oil can be reused in the fishing net wire traction coolant disclosed by the invention; as the fishing net wire traction coolant is prepared from an organic solvent and multiple additives, variation of crystallinity and uniformity of a fishing net wire can be effectively prevented; meanwhile, drawn in the coolant, the fishing net wire can be prevented from being directly exposed in air after being molded, and surface oxidation of the fishing net wire can be prevented; moreover, as the fishing net wire has certain pressure in the coolant, the drawing uniformity of the fishing net wire is improved.

The invention discloses a rotary etching device and a wet etching machine, which are suitable for a semiconductor wet etching process, comprising: a supporting structure, which provides a supporting surface for supporting a wafer to be etched; A predetermined distance is preset between the wafer and the support surface, and a plurality of gas nozzles are evenly distributed on the support surface facing the wafer to be etched; the temperature control heating device is connected to the gas pipeline of the gas nozzle on the edge to heat the gas The protective gas in the pipeline; the nozzle device is arranged above the support surface. The nozzle device includes a nozzle and a liquid delivery pipe. The nozzle is arranged on the side facing the support surface. The liquid delivery pipe is connected to the end of the nozzle facing away from the support surface. Beneficial effects: by adding a temperature control heating device to heat the protective gas, the edge temperature of the wafer is changed, thereby increasing the etching rate of the wafer, changing the uniformity of the wafer, and ensuring that the uniformity of the product is within the controllable safety and quality standards within, reducing the risk of scrapping.