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 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 rotation etching device and a wet etching machine which are applied to a semiconductor wet etching process. The rotation etching device comprises a support structure, temperature-controlled heating devices and a nozzle device; the support structure provides a support surface to support a to-be-etched wafer, a predetermined distance is preset between the to-be-etched waferand the support surface, and multiple gas nozzles are uniformly distributed on the face, facing the to-be-etched wafer, of the support surface; the temperature-controlled heating devices are connected with gas pipelines of the edge gas nozzles to heat protective gas in the gas pipelines; and the nozzle device is arranged over the support surface and comprises a nozzle and a liquid conveying pipe,the nozzle is arranged on the face facing the support surface, and the liquid conveying pipe is connected with the end, back to the support surface, of the nozzle. The rotation etching device has theadvantages that by additionally arranging the temperature-controlled heating devices to heat the protective gas, the edge temperature of the wafer is changed, therefore, the etching rate of the waferis increased, the uniformity of the wafer is changed, it is guaranteed that the product uniformity is within the controlled safety quality standard, and the obsolescence risk is reduced.

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 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 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 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 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.