40results about How to "Avoid miscibility" patented technology

The invention discloses a sheet bonding method in a substrate thinning technique, which comprises the following steps: coating an electron beam photoresist on the front surface of a substrate; coating a PMGI layer on the electron beam photoresist; bonding the front surface of the substrate onto a thinning sheet support by using high temperature wax; bonding the thinning sheet support onto a thinning glass sheet by using low temperature wax; carrying out thinning technique on the back surface of the substrate; removing the low temperature wax, and taking the thinning sheet support with the substrate off the thinning glass sheet; and completing subsequent photoresist removal after other back surface techniques, and separating the substrate from the thinning sheet support. The method effectively solves the problem of mutual solubility between the photoresist and high temperature wax, and enhances the technical efficiency and technical yield of the thinning technique.

The invention discloses a method for purification treatment of sucralose water crystallization mother liquor. According to the method, not only can residues of an impurity removing solvent in a sugar water layer be reduced, but also removes low-polarity and high-polarity impurities in the sucralose water crystallization mother liquor can be removed by virtue of stepwise extraction, so that the purity of a sucralose crude product obtained after impurity removal is greatly improved; and meanwhile, according to the technological process of the purification treatment of the method disclosed by the invention, the recovery rate of sucralose can be effectively increased, and losses and wastewater discharge amount can be reduced, and the technological process is suitable for industrial actual production.

A method for fabricating an organic light emitting diode and a device thereof are provided. The method includes: providing a substrate; dispensing to the substrate a second organic molecule solution resulting from dissolving a second organic molecule in a solvent; applying the second organic molecule solution to a surface of the substrate so as to form a wet film layer; and heating the wet film layer by a heating unit to remove the solvent therefrom and thereby form a second organic molecule film. The method is effective in fabricating a uniform multilayer structure for use in fabrication of large-area photoelectric components.

The invention discloses a bimetal liquid fusion covering and die forging turnout sliding table and a manufacturing method of the sliding table. The sliding table comprises a sliding table body, the bottom of the sliding table body is welded to a turnout base plate, the upper portion of the sliding table is provided with an abrasion-resistant plane matched with the bottom of a dust rail in a sliding mode, and the sliding table body comprises a low-carbon-steel welded base and a martensite stainless steel abrasion-resistant layer welded to the welded base in a liquid die forging mode. The contact face of the bimetal liquid fusion covering and die forging turnout sliding table and the dust rail is free of rust, resistant to abrasion, high in hardness and high in shock resistant value. Weldability of the contact portion of the sliding table and the turnout base plate is good. The bimetal liquid fusion covering and die forging turnout sliding table is low in manufacturing cost, long in service life and stable and reliable in work. According to the turnout sliding table produced through the method, metal crystalline grains of the abrasion-resistant layer of the sliding table are fine, the organizational structure is compact, the phenomena of bubbles, loosening and shrinkage do not exist, and the yield of the turnout sliding table produced through the method is high.

The invention discloses a preparation method of phenolic resin for automobile filter paper and belongs to the technical field of organic chemistry. The preparation method of the phenolic resin for theautomobile filter paper comprises the following processes: adding a certain amount of phenol, liquid formaldehyde and a basic catalyst into a reaction kettle; performing reflux reaction for a periodof time at the temperature of 100 to 102 DEG C; cooling to 55 DEG C or below, adding boric acid to control the pH value to be 5.5 to 6.0, then performing vacuum dehydration until the water content isqualified, then continuing to react at the temperature of 90 DEG C until the polymerization speed meets the standard, then cooling to 40 DEG C, adding methanol and formic acid to adjust the viscosity,and finally adding a reactive hydrophobic agent to obtain the phenolic resin material for the automobile filter paper. The phenolic resin prepared by the method can enable the automobile filter paperto have better oil-water separation performance, and the service life of a filter element can be prolonged.

The invention discloses traditional Chinese medicine powder special for treating diaper dermatitis in infants. The medicine comprises the following components in parts by weight: 10 parts of rheum officinale, 10 parts of coptis chinensis, 12 parts of Chinese gall and 12 parts of dried alum. The traditional Chinese medicine powder is simple in compatibility of medicines, convenient to manufacture and low in cost, can relieve symptoms such as redness and swelling and ulceration generated by diaper dermatitis in infants and does not have any toxic or side effect.

The invention relates to the technical field of PC component production equipment, in particular to a ruling machine and a PC component production system. The ruling machine comprises a heating assembly, a storage assembly and a coating head; the storage assembly is used for storing hot melting type coating raw materials, the heating assembly is used for heating and melting the hot melting type coating raw materials, the coating head communicates with the storage assembly, the coating head is used for coating the molten raw materials on the surface of a mold table, according to the ruling machine, the hot melting type coating can be used for ruling, on one hand, the hot melting type coating can be transported and stored in a solid-state manner, transport is facilitated, and the quality guarantee time is long; and on the other hand, the ruling machine can heat and melt the hot melting type coating and then coat the coating on the mold table, the coating can be kept in the solid-state ruling mark form at the normal temperature, mutual dissolution of the coating and a demolding agent can be avoided, ruling precision is ensured, and accuracy of mold placing by a worker can be improved.

The invention relates to the field of fine chemical engineering, and discloses a composite extractant for extracting an oxygen-containing compound in a C5 hydrocarbon raw material and a method for treating the oxygen-containing compound in C5 hydrocarbon, the composite extractant comprises a non-alcohol polar extractant and organic alcohol, and the weight ratio of the non-alcohol polar extractant to the organic alcohol is 0.5-9: 1. The composite extractant is used for treating the oxygen-containing compound in the C5 hydrocarbon raw material, the oxygen-containing compound in the C5 hydrocarbon raw material can be effectively removed, the loss rate of olefin in the extraction process of the C5 hydrocarbon raw material is reduced, and then the loss of the composite extractant is reduced.

The invention discloses an elastic-plastic plugging particle for oil-based drilling fluid. The inner core of the elastic-plastic plugging particle is an elastic-plastic rubber particle, and the shell of the elastic-plastic plugging particle is coated with inert nanoparticles. Meanwhile, the invention further provides a preparation method of the elastic-plastic plugging particles for the oil-based drilling fluid. The preparation method comprises the steps of selecting the rubber particles, cleaning, wetting the surfaces, performing ultrasonic vibration spraying and the like. Under the condition of temperature or pressure, the rubber coated with the inert nano-particles can generate elastic deformation, the aperture plugging effect is good, and due to the fact that the shell is coated with the inert particles, the rubber cannot be dissolved in an oil phase, and the rubber still has good elastic deformation capacity and plugging performance under the condition of long-time high-temperature and high-pressure soaking in oil-based drilling fluid.

The invention discloses organic light-emitting layer ink, a preparation method and a light-emitting layer forming method, and belongs to the field of OLED (organic light-emitting diode). The ink comprises the following components in percentage by mass: 3-30% of organic main body material, 0.1-6% of organic doped light-emitting material, 0-10% of regulator and 54-96.9% of solvent, the organic main body material comprises a hole type organic main body material containing a cross-linking group and an electronic type organic main body material containing a cross-linking group, the ink can generate thermal cross-linking at 100-200 DEG C, the temperature range has no adverse effect on other layers of the OLED, a light-emitting layer after cross-linking has the characteristic of solvent resistance, mutual dissolution of the light-emitting layer and other layers can be avoided, and the light-emitting effect of the OLED is improved. The electron transport layer of the OLED can be prepared through solution processing, and the hole-type organic main body material and the electron-type organic main body material are jointly used as organic main body materials, so that the efficiency roll-off of the light-emitting layer can be effectively reduced.

The invention discloses a water-based ceramic material for the inner tank of a stainless steel thermos cup and a preparation method thereof; 4‑5 parts of methyldiethoxysilane, 2‑3 parts of aminopropyltrimethoxysilane, 16‑18 parts of acrylic resin, 17‑19 parts of inorganic pigments, 6‑7 parts of filler, 0.2‑0.3 parts of hydroxy silicone oil , 2.6-2.9 parts of acetic acid, the balance of deionized water; the sol is a mixture of silica sol and zirconium sol with a mass ratio of 2:1 to 3:1. The ceramic coating of the present invention is sprayed on the inner surface of the stainless steel thermos cup, and the coating thickness is 35-40 μm, which can significantly improve the heat preservation effect of the thermos cup. After pouring boiling water for 6 hours, the water temperature can be kept above 65°C; and the ceramic coating Good adhesion to the substrate, even if the stainless steel substrate is not sandblasted, it can achieve a good adhesion effect only after simple grinding.

A method of preparing a film and a light-emitting device are disclosed. The method includes: providing at least one gas-phase source above a substrate, the at least one gas-phase source made of materials comprising a perovskite material; and controlling an evaporation rate of the at least one gas-phase source to form a perovskite film. In the method provided by the present invention, a perovskite light-emitting layer is prepared by gas-phase source evaporation coating without an organic solvent, which avoids miscibility between the organic solvent and other layers and improves compatibility between the perovskite material and other film materials, thereby realizing the low preparation cost and the simple preparation process.

The invention relates to a constant-pressure hydraulic device, in particular to a liquid constant-pressure source device. The liquid constant-pressure source device comprises a surge tank, an oil tank, a hydraulic pump and a control box. A single-chip microcomputer and a power source thereof are arranged in the control box, and an output end of the single-chip microcomputer is connected with an input end of the hydraulic pump. The surge tank comprises an upper tank body and a lower tank body, the upper tank body and the lower tank body are connected together, the upper tank body is communicated with the oil tank through an oil pipe, a liquid storage chamber is formed in an inner cavity of the upper tank body, the lower tank body is communicated with a compressed air source through an air inlet, and an air storage chamber is formed in an inner cavity of the lower tank body. A pressure detection device is mounted on a rubber isolation device which is mounted between the upper tank body and the lower tank body, and an output end of the pressure detection device is connected with an input end of the single-chip microcomputer. Mutual dissolution of liquid and air can be prevented, and instant liquid pressure wave action generated during pressure changes can be eliminated. In addition, the liquid constant-pressure source device has the advantages of high liquid pressure stabilization precision, simple structure, small size and low production cost.

The invention provides a fabrication method of a photoelectric diode and the photoelectric diode. The fabrication method comprises the steps of S101, forming an oxide layer on a substrate; S102, forming two first grooves in the oxide layer at intervals, and forming first injection regions at the bottoms of the two first grooves; S103, forming a first opening, two second grooves and a second opening in the substrate, and injecting ions to corresponding positions to form a second injection region, a third injection region and a fourth injection region, wherein the second opening is arranged between the two second grooves; S104, removing the oxide layer, and forming dielectric layers on the substrate; S105, performing etching on the dielectric layers on the first injection region and the third injection region to form contact holes, and forming metal layers in the dielectric layers and the contact holes; and S106, coating photoresist layers on upper surfaces and two sides of the metal layers, etching and removing the dielectric layers which are not covered by the photoresist layers, removing the photoresist layers, and finally obtaining the photoelectric diode. The invention also provides the photoelectric diode, and the surface state and the reliability are improved.

A method for purifying enterocytozoon hepatopenaei of prawns comprises the steps of taking hepatopancreas of a plurality of prawns infected with enterocytozoon hepatopenaei, removing membranes by grinding; diluting them to 35-40 ml with sterile water; conducting alternative centrifugation at 1500-2000 rpm and at 500-600 rpm till no precipitate is observed by the naked eyes; centrifuging the supernatant without precipitate at the high speed of 3000-3500 rpm, and taking and dissolving a precipitate in sterile water to serve as a crude extracting solution; adopting different concentrations of Percoll cell separation solutions for gradient separation; adding 1-1.5 ml of crude extracting solution at the topmost of the liquid level with set gradient; using a centrifugal machine to carry out centrifugation under the conditions of 15 DEG C and 9000-10000 rpm; and obtaining a purified enterocytozoon hepatopenaei suspension by washing. The purified enterocytozoon hepatopenaei has high purity andless impurities, and the operation is simple.

The invention discloses a bimetal liquid fusion covering and die forging turnout sliding table and a manufacturing method of the sliding table. The sliding table comprises a sliding table body, the bottom of the sliding table body is welded to a turnout base plate, the upper portion of the sliding table is provided with an abrasion-resistant plane matched with the bottom of a dust rail in a sliding mode, and the sliding table body comprises a low-carbon-steel welded base and a martensite stainless steel abrasion-resistant layer welded to the welded base in a liquid die forging mode. The contact face of the bimetal liquid fusion covering and die forging turnout sliding table and the dust rail is free of rust, resistant to abrasion, high in hardness and high in shock resistant value. Weldability of the contact portion of the sliding table and the turnout base plate is good. The bimetal liquid fusion covering and die forging turnout sliding table is low in manufacturing cost, long in service life and stable and reliable in work. According to the turnout sliding table produced through the method, metal crystalline grains of the abrasion-resistant layer of the sliding table are fine, the organizational structure is compact, the phenomena of bubbles, loosening and shrinkage do not exist, and the yield of the turnout sliding table produced through the method is high.

A kind of method that is used for purifying prawn enterocystoma hepatica, the steps are: take a plurality of prawn hepatopancreas infected with enterococcus hepatica, remove the membrane and grind; dilute to 35-40ml with sterile water; alternately at 1500-2000rpm and 500-600rpm Centrifuge until no precipitation is observed with the naked eye; then centrifuge the supernatant without precipitation at 3000-3500rpm to obtain the precipitation, dissolve the precipitation in sterile water as the crude extract; use different concentrations of Percoll cell separation medium for gradient separation; Add 1ml-1.5ml of the crude extract to the top of the gradient layer; use a centrifuge to centrifuge at 15°C and 9000-10000rpm; wash to obtain a purified suspension of Enterocystis hepatica. The purified worm body of the invention has high purity, less impurities and simple operation.

The invention discloses a processing technology of torreya grandis fruits, which comprises the following steps: washing picked fresh torreya grandis fruits, and removing aril to obtain torreya grandis fruits; the preparation method comprises the following steps: washing aril residues on the surfaces of torreya grandis fruits, drying in the air, frying at 130-140 DEG C for 10-15 minutes, and squeezing at 50-60 DEG C for multiple times to obtain squeezed liquid; heating the squeezed liquid to 75-85 DEG C, then stirring and adding a separating agent, uniformly mixing, standing for 2-3 hours, and separating to remove lower-layer precipitate and solution, so as to obtain upper-layer torreya grandis crude oil; heating the torreya grandis crude oil to 70-80 DEG C, then adding a purifying agent, uniformly stirring and mixing, then cooling to 30-35 DEG C, and filtering to obtain the torreya grandis oil. The method overcomes the defects in the prior art, simplifies the processing technology of torreya grandis fruits, does not need high-temperature stir-frying in the processing process, and avoids damage to effective components in kernels.

The invention discloses a device for producing high-purity electronic-scale phosphoric acid. The device comprises an agitating crystallizer, a vacuum pump, an acid discharge pump, an acid adjusting tank and a circulating pump, wherein the agitating crystallizer, the acid discharge pump, the acid adjusting tank and the circulating pump are orderly connected in cycle through a pipeline; the vacuum pump is connected with the lower part of the agitating crystallizer through a pipeline; valves are arranged on all pipelines. The heat exchange rate of phosphoric acid and a medium is improved by adopting agitating crystallization and crystal-melting modes, the crystallization and crystal-melting speeds are improved, vacuum suction filtration is carried out by the vacuum pump, and separation of crystal and liquid phases is more thorough and rapider. Thus, the production cycle of electronic-scale phosphoric acid is greatly shortened, and the production efficiency is greatly improved. Thus, the device is simple in structure, small in floor area, convenient to use, safe and reliable, resources can be utilized in cycle, the production cost is reduced, the industrial production can be achieved, and the product is high in yield, and has good economic efficiency.

The invention provides an electric connection structure making method and an integrated circuit chip. The making method comprises steps: after multiple carrier areas and an insulated mask structure covering the carrier areas are sequentially formed on a substrate, a contact hole is formed in the insulated mask structure; an ion-doped polysilicon contact block is formed in the contact hole; and metal wiring is formed above the ion-doped polysilicon contact block to complete making of the electric connection structure. Through the technical scheme provided by the invention, the possibility of poor contact caused by mutual solubility of aluminum and silicon is reduced, the possibility of open circuit of the integrated circuit is further reduced, and the reliability of the circuit connection of the integrated circuit is enhanced.

The invention relates to a constant-pressure hydraulic device, in particular to a liquid constant-pressure source device. The liquid constant-pressure source device comprises a surge tank, an oil tank, a hydraulic pump and a control box. A single-chip microcomputer and a power source thereof are arranged in the control box, and an output end of the single-chip microcomputer is connected with an input end of the hydraulic pump. The surge tank comprises an upper tank body and a lower tank body, the upper tank body and the lower tank body are connected together, the upper tank body is communicated with the oil tank through an oil pipe, a liquid storage chamber is formed in an inner cavity of the upper tank body, the lower tank body is communicated with a compressed air source through an air inlet, and an air storage chamber is formed in an inner cavity of the lower tank body. A pressure detection device is mounted on a rubber isolation device which is mounted between the upper tank body and the lower tank body, and an output end of the pressure detection device is connected with an input end of the single-chip microcomputer. Mutual dissolution of liquid and air can be prevented, and instant liquid pressure wave action generated during pressure changes can be eliminated. In addition, the liquid constant-pressure source device has the advantages of high liquid pressure stabilization precision, simple structure, small size and low production cost.

The invention relates to a device for extracting zinc by electrodeposition with double electrolytic baths and application of the device, and belongs to the technical field of wet metallurgy. The device comprises an inert anode, a pure aluminum or zinc cathode, an auxiliary electrode I, an auxiliary electrode II, an anode bath, a cathode bath, sulfur-acid-containing electrolyte and zinc-sulfate-containing electrolyte, wherein the inert anode and the sulfur-acid-containing electrolyte are arranged in the anode bath; the aluminum or zinc cathode and the zinc-sulfate-containing electrolyte are arranged in the cathode bath; the inert anode is connected with the positive pole of a power supply; the pure aluminum or zinc cathode is connected with the positive pole of the power supply; the auxiliary electrode I and the auxiliary electrode II are respectively arranged in the anode bath and the cathode bath; and the auxiliary electrode I is connected with the auxiliary electrode II through a wire. The double electrolytic baths are used in the device, and decoupling of a metal zinc electrodeposition extracting process and a cathode and anode reaction process is realized, namely, cathode deposition and anode oxygen evolution of metal zinc are separately implemented in the different electrolytic baths.

The invention discloses a connection structure for welding titanium and copper by using multi-intermediate layer brazing material, which comprises a titanium base material and a copper base material. The structure of the intermediate layer includes a brazing filler metal 1 and a brazing filler metal 2. A refractory metal intermediate layer is arranged between the brazing filler metal 1 and the brazing filler metal 2, and the refractory metal intermediate layer does not melt within the brazing temperature range; the brazing filler metal 1 is located in the titanium base metal. Between the interlayer of the refractory metal and melting at the brazing temperature to realize the diffusion brazing connection; the brazing filler metal 2 is located between the interlayer of the refractory metal and the copper base material, and melts at the brazing temperature to realize the active brazing connection The brazing method comprises the following steps: pre-treatment of the surfaces to be welded of titanium base material and copper base material; pre-treatment of multi-intermediate layer materials; assembly of brazed components; brazing in furnace; solving joints in conventional titanium-copper welding The problem of generating a large amount of brittle intermetallic compounds at the interface leads to a titanium-copper joint without brittle interface reaction products.

The invention provides an electron transport layer inkjet printing ink and a preparation method thereof. The preparation method of inkjet printing ink for electron transport layer of the present invention adopts ionic conjugated polyelectrolyte as solute, alcohol compound as solvent, and obtains an electronic ink suitable for inkjet printing technology by adjusting the proportion, viscosity and surface tension of each component. The inkjet printing ink for the transport layer, the inkjet printing ink for the electron transport layer can meet the process requirements of inkjet printing, realize the inkjet printing method of the electron transport layer, and can avoid the electron transport layer and the adjacent structural layer in the OLED preparation process. The phenomenon of mutual dissolution occurs between them, which is conducive to the realization of the production of all-solution OLED devices. The electron transport layer inkjet printing ink of the present invention is prepared by the above method, can meet the process requirements of inkjet printing, realize the inkjet printing method of the electron transport layer, and is beneficial to realize the production of full solution OLED devices.

The invention discloses a multistage magnetic liquid sealing device for sealing liquid, and belongs to the field of mechanical engineering sealing. The device comprises a first-stage seal formed by a spacing ring (3) and a spiral sealing groove in a shaft (22), a second-stage seal formed by a pressure sensor, a pressure control valve (7), a spring (5), a stationary ring (6) and a moving ring (8), and a third-stage seal formed by a first sealing assembly, wherein the first-stage seal mainly exerts a sealing function on a sealed liquid medium in a sealing cavity; the second-stage seal exerts a static sealing function when the shaft (22) does not rotate, and separates the stationary ring (6) from the moving ring (8) by gas pressure in an operating state and exerts a sealing action on the sealed liquid medium in the sealing cavity to allow the sealed medium to be out of touch with magnetic liquid (23); and the third-stage seal exerts a sealing function on the gas charged into a cavity between the stationary ring (6) and a left pole piece (10). The device successfully solves the problem that the conventional sealing form cannot avoid mutual dissolution or cross contamination of the magnetic liquid and the sealed liquid.

The invention provides a method for preparing a photodiode, including S101: forming an oxide layer on a substrate; S102: forming two first grooves separated by an oxide layer, and forming a first implantation region at the bottom of the two first grooves; S103: Form a first opening, two second trenches, and a second opening between the two second trenches on the substrate, and implant ions into corresponding positions to form a second implantation region, a third implantation region, and a fourth implantation region area; S104: remove the oxide layer, and form a dielectric layer on the substrate; S105: etch the dielectric layer on the first implantation region and the third implantation region to form a contact hole, and then form a metal layer in the dielectric layer and the contact hole ; S106: firstly apply a photoresist layer on the upper surface of the metal layer and both sides of the metal layer, etch and remove the dielectric layer not covered by the photoresist layer, then remove the photoresist layer, and finally obtain a photodiode. The present invention also provides a photodiode with improved surface state and reliability.

The invention discloses a method for purification treatment of sucralose water crystallization mother liquor. According to the method, not only can residues of an impurity removing solvent in a sugar water layer be reduced, but also removes low-polarity and high-polarity impurities in the sucralose water crystallization mother liquor can be removed by virtue of stepwise extraction, so that the purity of a sucralose crude product obtained after impurity removal is greatly improved; and meanwhile, according to the technological process of the purification treatment of the method disclosed by the invention, the recovery rate of sucralose can be effectively increased, and losses and wastewater discharge amount can be reduced, and the technological process is suitable for industrial actual production.