51results about How to "Mass production is fast" patented technology

The invention discloses a fast-curing indentation-proof water-based paint for galvanized sheets. A formula of the paint comprises the following components by weight: 30-45% of water-based resin, 1-3% of a dispersant, 20-35% of a pigment filler, 0.3-1% of a wetting leveling agent, 0.5-1% of a thixotropic agent, 0.3-1% of a defoaming agent, 0.1-0.8% of a flash rust inhibitor, 1-3% of a coalescing agent, 0.1-0.5% of a pH regulator and 10-40% of deionized water. The invention also discloses a preparation method of the water-based paint. The paint film provided by the invention can cure fast, and is safe, energy-saving, environment-friendly and simple for construction, so as to meet the fast production requirements of an assembly line. The obtained galvanized sheet has excellent properties and performance indicators reaching the industrial standard for galvanized sheet coating.

This invention provides a method for making MOS with light doped drain electrode, which contains defining grid, P-type ion heavy doped area and N-type ion light doped area using one photo mask, and can also defining contact window and N-type ion heavy doped area using another photo mask, only six photo masks are needed for completing the process of light doped drain electrode film transistor, so the production speed and yield are increased.

The invention provides a heat treatment method of a cobalt target. The heat treatment method comprises the following steps of providing the cobalt target having the purity greater than 4 N; preheating sand; covering the cobalt target with the preheated sand; and performing heat treatment on the cobalt target. Compared with the prior art, the heat treatment method provided by the invention avoids the problems that the cobalt target obtained after the heat treatment process in the prior art does not have the desired magnetic conductivity and the crystalline grains of the cobalt target do not meet the requirements of sputtering in the prior art in the heating way of preheating sand bath.

The invention belongs to the biological field and particularly relates to preparation and application of recombinant porcine circovirus PCV2-Cap/Phage display particle. A preparation method of the capsid protein phage display particle of recombinant II porcine circovirus specifically comprises the following four steps: (1), optimizing and coding nucleotide of the capsid protein of the recombinant II porcine circovirus; (2), constructing a recombinant plasmid; (3), constructing a recombinant phage genome; and (4), preparing the capsid protein phage display particle of recombinant II porcine circovirus. An animal experiment proves that the recombinan display plasmid has good antigenicity, can stimulate a pig body to generate good humoral immunity and cellular immunity reaction, and can prevent and control II porcine circovirus infection; time needed for copying the process is short, production cost of the recombinant display particle is low, and product is convenient to use, simple and convenient to store and high in cloning yield.

The invention relates to a heat treatment method of a target blank. The method comprises the following steps: providing the target blank; heating the target blank at a first heating temperature to a second temperature, wherein the first heating temperature is higher than the heat treatment temperature of the target blank, and the second temperature is lower than or approximate to the heat treatment temperature of the target blank; and heating the target blank at a third heating temperature to the heat treatment temperature, wherein the third heating temperature is higher than the heat treatment temperature of the target blank and is lower than the first heating temperature. The heat treatment method of the target blank can increase the heating speed of the product and improves the precision and the stability of the heat treatment process.

The invention relates to a preparation method for a graphene/copper composite powder material. The method comprises the following steps: adding cupric acetate into a graphene oxide aqueous solution while quickly shearing and stirring the mixed solution; keeping quick shearing and stirring for the mixed solution after completely adding, and meanwhile, adopting a spray dryer for continuously extracting the mixed solution and performing spray drying, thereby acquiring precursor graphene oxide/cupric acetate powder; and raising the temperature of the acquired precursor powder to 350-700 DEG C under reducing atmosphere and keeping the temperature for 15-30min, thereby acquiring the graphene/copper composite powder material. The present graphene oxide reduction preparation equipment is used, the method is simple and efficient, the cost is lower and the preparation method is suitable for wide industrial application and popularization.

The invention provides a buckling and pressing inner screw cap type circulator. The circulator comprises a shell and a cover plate, wherein the shell is a semi-open cavity; a plurality of notches areformed in the side wall of the shell at intervals, a groove is formed in the inner side wall of the shell, the two ends of the groove are communicated with the two adjacent notches in the shell, a clamping block which extends outwards and is matched with the groove is arranged on the outer edge of the cover plate, a working assembly is contained in the shell, and the cover plate is pressed above the working assembly in a covering mode. According to the invention, the cover plate and the shell are connected through the pressing fit of the clamping block and the groove; accurate positioning of the cover plate and the shell does not need to be considered, the assembling operation of assembling personnel is simplified, the assembling efficiency is improved, batch production can be achieved more quickly, and the percent of pass is high; meanwhile, internal threads are prevented from being machined in an inner cavity of the shell, the shell can be formed through punching, and the machining difficulty and the machining cost of the shell are reduced.

The invention discloses a lightweight high-elasticity liquid metal watch shell and a production method thereof. The watch shell is produced by utilizing a liquid metal material, the characteristics ofhigh intensity and wear resistance of liquid metal are sufficiently utilized, and intensity of the watch shell is improved, so that falling resistance of a watch is improved, a wall thickness of thewatch shell can be further reduced, a weight of the watch can be reduced, and wearing comfort is improved; and moreover, the liquid metal has excellent shaping capacity and can be formed like plastic,and thus, a complex watch shell structure can be produced, production accuracy is high, the surface is smooth and wear-resistant, and the lightweight high-elasticity liquid metal watch shell has veryhigh durability and corrosion resistance. By the production method disclosed by the invention, the liquid metal and a curing agent are reasonably mixed, lightweight and elastic effects are achieved,and the lightweight high-elasticity liquid metal watch shell is directly formed by injection and is easy to process and high in accuracy.

A preparation method of zinc manganate/silver composite material relates to a preparation method of the composite material. The preparation method includes the steps of dissolving zinc nitrate, manganese nitrate and silver nitrate in water and stirring to obtain a solution A; dissolving oxalic acid in absolute ethanol and stirring to obtain a solution B; adding the solution A into the solution B,stirring to obtain a solution C; centrifugally separating precipitate from solution C, washing with ethanol and water, drying, and then calcinating in a tubular furnace to obtain the zinc manganate/silver composite material. The zinc manganate/silver composite is composited by the precursor of zinc manganate and silver in situ. After calcination, the composite material with uniformly distributed zinc manganate and silver is formed directly, which is obviously different from the composite matieral formed by the direct physical mixing of zinc manganate and silver. The homogeneous composition ofzinc manganate and silver can effectively improve the conductivity of the zinc manganate material. The coprecipitation method is simple and can be prepared in large quantities without special processequipment.

The invention discloses a method for preparing texture on the surfaces of silicon wafers. The method comprises the following steps: the surfaces of the silicon wafers are cleaned and purified, each two cleaned and purified silicon wafers are overlapped and placed in a vapor deposition reacting furnace; when the temperature of the vapor deposition reacting furnace is controlled to 1050 to 1200 DEG C and the vacuum degree is controlled in the range of 1*10<-2>Pa to 1*10<-4>Pa, trichlorosilane and hydrogen are mixed according to the required reaction molar ratio of the chemical equation, the mixture is introduced in the vapor deposition reacting furnace to ensure that crystalline silicon deposits on the exposed surfaces of each two overlapped silicon wafers and silicon grain texture surfaces are formed; and nitrogen is introduced after the deposition, the temperature of the vapor deposition reacting furnace is reduced to the room temperature, the pressure of the furnace is increased to the atmospheric pressure, and the silicon wafers with the deposited silicon grain texture surfaces are taken out. The thickness of the texture layers of the silicon grain texture surfaces which are prepared on the surfaces of the silicon wafers by the texture-preparing method of the invention is 5mu m-8mu m, and the average reflectivity of the surfaces of the silicon wafers to the light with the wavelength of 300nm-1100nm is 7.5%-8.5%. The silicon grain texture surface layers can be controlled, the reflectivity of the silicon grain texture surface is reduced, the production process is simple, and the speed of the batch production is fast.

The invention provides a CPCI bus test device and method, which relates to the technical field of data transmission bus automation test. The device includes a test result display, a logic controller,a CPCI motherboard connection component to be tested, a CPCI signal distribution router, a standard PCI network card controller and an ATX power supply. The logic controller is connected to the ATX power supply, the standard PCI network card controller and the CPCI signal distribution router, the standard PCI network card controller, the CPCI signal distribution router, the CPCI motherboard connection assembly to be tested are connected sequentially, the ATX power supply is connected with the CPCI motherboard connection assembly to be tested and the standard PCI network card controller respectively, the CPCI motherboard connection assembly to be tested comprises a 25p connector and a 22p connector, and a test result display is connected with the logic controller. The technical scheme realizes the automatic test of the CPCI motherboard, improves the test efficiency of the CPCI motherboard, reduces the human cost of the test of the CPCI motherboard, and alleviates the technical problemsof low bus detection efficiency and high human cost of the existing CPCI motherboard.

The invention discloses a method for manufacturing nuclear hole anti-counterfeiting film of target anti-counterfeiting pattern by one-step molding, which solves the problems of complicated process, poor mechanical performance and poor anti-counterfeit strength of the anti-counterfeit film in the prior art. The method of the invention utilizes the thermal neutron absorption characteristic of the metal Gd to place a Gdmask sheet with a hollow anti-counterfeiting pattern in front of a plastic film, and then irradiates the Gdmask sheet on a thermal neutron beam to obtain an anti-counterfeiting pattern formed by combining nuclear pores on the plastic film. As the thermal neutron beam is irradiated, the nuclear hole anti-counterfeiting film pattern is prepared by one-step molding according to the thermal neutron absorption characteristic of the metal Gd. The invention raises the threshold of making the anti-counterfeit film, reduces the complexity of making the pattern of the nuclear hole anti-counterfeit film, improves the mechanical strength of the nuclear hole anti-counterfeit film, and is more convenient for application.

The invention relates to an automatic slot device for glass cleaning and a using method thereof, and belongs to the technical field of liquid crystal glass processing.The automatic slot device comprises a conveying belt and glass located on the conveying belt, a U-shaped frame is arranged above the conveying belt, a fixing table and a lifting table are arranged at the two ends of the conveying belt respectively, and a lifting plate is arranged at the top of the lifting table; according to the glass conveying device, the rotating motor can be started to drive the rotating plate to rotate, so that the parallelism of glass can be kept, in addition, the driving motor is started to drive the threaded rod to rotate forwards and backwards, and the glass can be conveyed to the conveying belt through the groove frame. The glass conveying device can convey glass and can be matched with the first rack to adjust the direction of the glass, so that the glass is inserted into the insertion groove in the unified direction, manual operation is not needed, automation is improved, the insertion groove efficiency is improved, and the batch production speed is further increased.

The invention relates to a method for preparing an ultrathin noble metal film catalyst by a heat collection strategy, and belongs to the field of material science and engineering technology and chemistry. The ultrathin noble metal film catalyst prepared by the method comprises gold (Au), platinum (Pt), ruthenium (Ru), rhodium (Rh), iridium (Ir), palladium (Pd) and various oxides of gold (Au), platinum (Pt), ruthenium (Ru), rhodium (Rh), iridium (Ir) and palladium (Pd). The preparation method comprises the steps: firstly, preparing a noble metal chlorate solution with a certain concentration, dropwise coating a silicon wafer as a material A, and rapidly changing the environment temperature to prepare the ultrathin noble metal film catalyst. The method has the advantages of simplicity in operation, controllable yield, high expansibility and the like, and has the advantages of easiness in operation, high yield, safety, reliability and the like compared with a traditional method for preparing a ultrathin noble metal film.