247results about How to "Does not affect properties" patented technology

The invention discloses a high-purity fishy smell and foreign odor-free fish collagen protein peptide and a preparation method thereof. The preparation method comprises the following steps: cleaning fish skins, and then cutting into blocks and mincing; performing stirring treatment with NaCl solution; centrifugally degreasing to remove paraprotein; adding water to regulate the pH value of initial slurry to be 8.0-8.5; performing combined gradient enzymolysis on alkali protease and neutral protease; deactivating enzyme after the enzymolysis is ended; performing adsorption bleaching by activated carbon; and then performing rough filtration, fine filtration, evaporation concentration and spray drying to prepare the high-purity fishy smell and foreign odor-free fish collagen protein peptide. The high-purity fishy smell and foreign odor-free fish collagen protein peptide disclosed by the invention has a simple process and is easy to industrial production; fishy smell, foreign odor and non-collagen proteins are fully removed in production; the low-temperature biological enzymolysis technology is adopted, and other substances are not added, thereby, the product quality is improved; an obtained fish collagen protein peptide powder has the characteristics the content of amino acid hydroxyproline is not less than 9 percent, and the average molecular weight is lower than 1000Dal; no fishy smell or foreign odor cannot generated, and obvious fishy smell or foreign odor also cannot be generated through heating treatment under the acid conditions. The high-purity fishy smell and foreign odor-free fish collagen protein peptide can be widely applied to processing of various foods and cosmetics as a green functional ingredient.

The invention discloses a pixel circuit and a driving method thereof, an organic electroluminescent display panel, and a display apparatus. The pixel circuit comprises a luminescent device, a driving control module, a reset control module, a charge control module, a writing control module and a luminescence control module. The reset control module resets a first node and the luminescent device, the charge control module charges a second node through the luminescence control module and discharges the second node through the driving control module and the reset control module, the writing control module writes data signals into the second node, and the luminescence control module controls the driving control module to drive the luminescent device to emit light. Since the charge control module discharges the second node through the driving control module and the reset control module and the discharge path of the driving control module does not go past the luminescent device, the feature and the display life of the luminescent device are not affected, it can also be ensured that threshold voltages of the driving control module are accurately written, and the compensation effect is optimized.

The invention discloses a mesenchymal stem cell frozen stock solution which does not contain animal proteins and DMSO (dimethyl sulfoxide). The frozen stock solution comprises trehaloses, a carbohydrate and electrolyte injection, ATP (adenosine triphosphate) and human serum albumins. The frozen stock solution has the advantages of high recovery rate (90%), no influence on characteristics of stem cells, unchanged cell proliferation, unchanged cell differentiation, easy use, good stability and the like. The invention also discloses a preparation method of the frozen stock solution.

The invention discloses a plugging agent and a preparation method thereof. The plugging agent comprises a composition of a water-soluble hydrophobic associated polymer or a water-soluble hydrophobic associated polymer. The preparation method of the plugging agent is a copolymerization cohydrolysis method or a copolymerization posthydrolysis method. The plugging agent easily enters a leakage layer and has good viscoelasticity, so that the plugging agent can pass a throat and expand to fill a leakage crack and a solution cave space, meanwhile, can automatically stop flowing in the leakage layer and is unlikely to mix with oil, gas and water, thus a gel 'slug' with high viscosity and gel strength, which is capable of separating fluid in formation from fluid in a shaft, is formed; and the slug has enough starting pressure difference greater than the difference between the pressure of a mud column and the pressure of the formation fluid so as to achieve the purpose of plugging. The plugging agent and the preparation method thereof can be used for effectively solving various serious leakage and have good application value and social value.

The invention discloses an error checking and correcting (ECC) verification module and a data reading-writing method of the module, so as to solve the technical defect of low flexibility in present ECC verification modules. The verification module comprises: an ECC circuit used for ECC treatment of an ECC code word so as to obtain an error checked and corrected data set; a latch used for storing the error checked and corrected data set and updating the received input data to corresponding data positions in the checked and corrected data set, thus forming a data set to be written in; a verification circuit used for real-time verification of the data set to be written in and for generation of a verification bit corresponding to the data set to be written in; a write buffer used for writing the data set to be written in and a corresponding verification bit thereof into a storage medium. The embodiment of the invention realizes reading data from a main array or writing data into the main array in ECC code words, so that the control is easier and the data writing operation is speeded up.

The invention relates to a thin continuous uniform air flowing characteristic numerical simulation method. The method comprises the following steps: introducing a spatial derivative directly associated with a conservation variable when solving a conservation equation of a nonlinear coupled constitutive model, and secondly expressing the conservation variable U and an additional variable S into linear expression of one set of primary functions so as to discretize the conservation variable U and the additional variable S; converting conservation quantity under an original unstructured grid to astandard grid, integrating on a control volume, carrying out each step of iteration to obtain initial values of viscous stress and heat conduction items of a constitutive relation equation, introducing the initial values of viscous stress and heat conduction items of the constitutive relation equation into a nonlinear algebraic constitutive equation set converted to a differential equation initialvalue problem, then carrying out iteration to obtain the viscous stress and the heat conduction items, then returning back and substituting into the conservation equation, determining that the calculation is ended after the specific problems meet the error conditions, and outputting the flowing characteristic of the flow field.

Provided is a method and apparatus for producing nickel powder with which in the case of melting and vaporizing nickel raw material charged into a crucible with plasma to obtain the nickel powder, the deterioration in the characteristic of electronic parts can be prevented. The nickel in the crucible 2 set in a plasma reaction furnace 1, is melted and vaporized and cooled to obtain the nickel powder with a grain collecting device 12. At least a portion in contact with the nickel on the surface layer in the crucible 2 or the whole body, is covered with a coating layer. In the coating layer, a material composed of a component used for the electronic parts using the nickel powder for electrode or the material composed mainly of this component, is used. Further, the whole crucible is manufactured with the material composed of the component used for electronic parts using the nickel powder for electrode of the material composed mainly of the component. The inner wall or the whole body in the reaction furnace 1 uses the above material, too.

The invention relates to a method for preparing a high-strength collagen tissue repair material product. The method obtains the final collagen product through the treatment steps of salting out, centrifugation, dehydration, crosslinking and drying of a collagen solution. Because the treatment method adopts the mode of improving the solid content of collagen in collagen gel and the crosslinking density in the collagen gel, the mechanical property of the final product is greatly improved. Simultaneously, because the adopted method does not influence the biological property of the collagen, the final collagen product still maintains good biological activity. The collagen product can be used for the repair treatment of articular cartilage, meniscus and skin, the construction of artificial blood vessels and nerve conduits, and the like.

The invention provides a method for producing a protein foam concrete foaming agent by sludge, which comprises the following steps of: adding 5-6 percent of lime into sludge containing protein; carrying out high-temperature hydrolysis for 1-2 hours in a reactor; filtering and removing slag to obtain a protein solution mixture; concentrating, and then adding 0.1-0.2 percent of protective agent and adding 3.0-3.6 percent of xanthan gum to prepare the sludge protein foam concrete foaming agent. The foaming agent has the expansion rate of foam more than 50 and the stable time more than four hours and achieves the production requirement. After foaming, the foaming agent is added with No. 42.5 cement, perlite, pulverized fuel ash and water to be uniformly mixed and can be directly used as heat insulation materials of a roof, an inner wall and an outer wall and a filling material in construction or after foaming by an air tank, the sludge protein foam concrete foaming agent is uniformly mixed with rapid-hardening sulphoaluminate, the pulverized fuel ash, a fiber and water; and a sludge protein foam concrete energy-saving plate or a sandwich plate and a sound insulating material used for a high-rise building wall or a high-noise environment can be prepared in the processes of casting and maintenance.

The invention relates to a bearing vibration signal sparse reconstruction method. The method includes steps: S1, on the basis of discrete cosine transform, subjecting an original bearing vibration signal x to sparsification to obtain sparse representation theta of x in a transform domain psi, wherein x=<Theta, and psi is an orthogonal matrix; S2, on the basis of restricted isometry conditions, using an observation matrix phi for compressing the signal x to obtain an observation signal y, wherein y=Phix=Phi<Theta; S3, adopting an ADMM (alternate direction multiplier method) and an LSQR (least square QR-factorization) algorithm to obtain a reconstructed signal according to the observation signal y. Compared with the prior art, the method has advantages that sparse reconstruction of bearing vibration signals with nonlinearity and non-stationarity characteristics is realized quickly and effectively while high reconstruction precision is guaranteed.

The invention discloses a traditional Chinese medicine composition for treating thrombophlebitis. The invention also discloses a preparation method of the traditional Chinese medicine composition. The preparation method of the traditional Chinese medicine composition comprises the following steps: taking three kinds of animal class medicinal powder of leech, centipede and scorpio which are processed by a superfine pulverization technique and have the average particle diameter smaller than the fineness of 75mum and medicinal materials of which volatile oil is extracted, adding water firstly, extracting the volatile oil, taking the medicinal materials after extracting the volatile oil and other medicinal materials which are extracted by using the water, adding the water, decocting, extracting, and preparing water extractive paste by a water extract through filtration, concentration, ethanol transfer dissolution and concentration.

The invention discloses a water-soluble antibacterial monocarboxylic chitosan as well as a preparation method and application thereof. The preparation method of the monocarboxylic chitosan is characterized by comprising the following steps: dissolving macromolecular chitosan in a diluted acetic acid solution, and then selectively oxidizing part or all of hydroxyl groups at the C6 site of the chitosan into carboxyl groups by utilizing a concentrated nitric acid-concentrated phosphoric acid-sodium nitrite system, thereby obtaining the monocarboxylic chitosan. The water-soluble antibacterial monocarboxylic chitosan disclosed by the invention can be used for carrying out amide modification on real silk fabrics so as to obtain monocarboxylic chitosan amide modified real silk fabrics. The method disclosed by the invention is simple in operation, high in reaction speed and easy to control, the prepared monocarboxylic chitosan amide modified real silk fabrics have lasting and efficient antibacterial activity and good wearability and are environment-friendly, and the negative effects on good real silk characteristics and human health caused by using chemical crosslinking agents in conventional chitosan modification are overcome.

The invention discloses a preparation method of waterborne polyurethane with excellent freeze-thawing stability. The preparation method specifically comprises the steps of: at 20-80 DEG C, adding amino type polyhedral oligomeric silsesquioxane into acetone of excessive isocyanate monomer, reacting to be clear, setting the temperature to be 60 DEG C, adding ethyoxyl-terminated polymer glycol, diol and polyol, and catalyst di-n-butyl tin dilaurate, reacting for one to two hours, and controlling the R value to be 1.50-3.00 in the prepolymerization reaction; then increasing the temperature to be 70-90 DEG C, continuously reacting for one to two hours, then cooling to room temperature, adding water for dispersion, adding a chain extender at 30-50 DEG C to conduct chain extension reaction for two to four hours, and cooling to room temperature to obtain waterborne polyurethane. Through tests, the waterborne polyurethane has favorable wear resistance property and bonding strength, as well as excellent freeze-thawing stability.

Ultra-wideband antenna with dual stopband capability can resolve efficiently problem that ultra-wideband communication system is disturbed by signal of narrowband communication system, one side adhesion of medium substrate is as metal layer of radiation cell and microstrip feeder, the other side adhesion is as metal layer of floor, radiation cell is a semicircle metal slice, microstrip and radiation cell are connected. Floor has symmetrical shape with radiation cell and lies on the back of microstrip feeder. Arc gap is set on radiation cell and U-shaped gap is etched on floor. The present invention can realize dual stopband capability at a certain working range (3.1GHz-10.6GHz) to filter disturb to ultra-wideband system by other latent narrowband system.

The invention discloses a 3D visualization method for a knowledge graph based on unity 3d. The 3D visualization method comprises the following steps: a) initializing a camera, a sky box and a scene; b) acquiring triple data; c) creating a prefabricated body and organizing a three-dimensional physical structure; d) constructing a three-dimensional mechanical model; e) carrying out frame circulation; f) adopting an immersive camera script; g) adopting a global camera script; h) carrying out attribute information display and UI drawing; i) adopting a retrieval function and a transmission function; and j) switching the immersion view and the global view. The knowledge graph 3D visualization method based on unity 3d has good transportability and expandability, can be published to various platforms such as web, mobile phones and PCs, and does not have high dependence on the platforms after being developed like technologies such as WebGL; on the other hand, the method can be conveniently expanded to emerging display technologies such as virtual reality and augmented reality in the future, and wider, more immersive and more interactive knowledge graph 3D visualization is achieved.

The invention discloses a coding unit (CU) division method applied to high efficiency video coding (HEVC), and relates to a HEVC technology. The invention aims at solving the problem that the existingHEVC coding technology is high in computing complexity and slow in coding speed. The method comprises the steps of 1, if the depth of the current CU is less than a minimum depth, turning to the step5; if the depth of the current CU is more than or equal to the maximum depth, ending; and otherwise turning to the step 2; 2, performing interframe prediction coding of 2N*2N, 2N*N and N*2N modes on the current CU, computing rate-distortion cost, if the rate-distortion cost is less than a threshold, ending, and otherwise, turning to the step 3; 3, performing interframe prediction coding of 2N*2N and N*N modes , computing the rate-distortion cost, if the rate-distortion cost is less than a threshold, ending, and otherwise, turning to the step 4; 4, judging whether the current CU reaches the maximum depth, if yes, ending, and otherwise, turning to the step 5; and 5, continuously dividing the current CU into four N*N sub-CU with the same size, and turning to the step 1. The method provided bythe invention is applied to the field of HEVC.

The invention provides a cell freezing medium without containing dimethyl sulfoxide and animal source components. The freezing medium is prepared from trehalose, hydroxyethyl starch 130, sodium chloride, human serum albumin and distilled water. The cell freezing medium disclosed by the invention has the advantages of high thawing rate, simple component, good stability and the like.

The invention provides an adhesive film. The adhesive film has the characteristic of simple assembling, the adhesive film also has the characteristics of high relative dielectric constant, good light proofness, adjustable color, strong adhesive strength, and the like, and the relative dielectric constant in over 6, therefore, the adhesive film is especially applicable to the adhering of capacitive fingerprint recognition chip module encapsulation. The adhesive film is a semi-cured adhesive film which has low viscosity at room temperature, but has high viscosity in the process of thermal curing; compared with a common dispensed adhering mode, the adhesive film provided by the invention has the advantages of uniform film-forming thickness, controllable adhering shape, no bubble produced, simple assembling process, and the like, therefore, the adhesive film is especially suitable for plane adhesive assembly. The invention provides an adhesive composition for forming the adhesive film. The adhesive composition has the characteristics of high relative dielectric constant, and the like. The invention also provides an adhesive film roll. The adhesive film is protected by covering PET release liner or release paper on both sides of the adhesive film in the adhesive film roll, thereby preventing the environment from polluting the adhesive film.

The invention is applicable to the field of metal powder alloy and provides an inorganic binder used for a metal soft magnetic powder core, the metal soft magnetic powder core and a preparation method of the metal soft magnetic powder core. The inorganic binder comprises the following formula components of, by the total weight of 100%, a matrix, a curing agent, a skeletal material and an additive, wherein the matrix is an aluminum phosphate matrix. The inorganic binder serves as the binder of the metal soft magnetic powder core. According to the inorganic binder provided by the invention, the binding effect is good, and meanwhile the requirements for the total inorganic performance, indecomposition of heat treatment, low-temperature curing, the ageing resistance and meeting of the ROSH standard are met.

The invention discloses a preparation process for rapid dispersion granular activated carbon for a liquid phase; granular activated carbon has a characteristic of being rapidly dispersed and settled to the water bottom when placed in water or a solution, and the granular activated carbon is formed mainly by mixing and bonding a water-soluble high-molecular compound and powdered activated carbon; the water-soluble high-molecular compound is prepared from one or more of polyvinyl alcohol (PVA), chitosan, N-acetylglucosamine, cationic guar gum, sodium carboxymethyl cellulose (CMC), water soluble starch and sodium polyacrylate (ASAP). The used activated carbon and additives are all food-grade water soluble or powder insoluble additives, the additive usage amount is less, the authigenic adsorption performance of activated carbon is not affected, and the granular activated carbon can be applied to liquid phase food industry, wine, seasonings, environmental-protection purification and other industries.

The invention discloses a method for repairing cadmium-polluted farmland soil. The method comprises the following steps: selecting a cadmium-polluted farmland soil region, arranging soil ridges on the periphery of the region, and compacting and covering the peripheries of the soil regions by using waterproof films; after adding clear water which submerges the surface layer of the soil, turning over the soil; uniformly sprinkling a drip washing agent in the soil which is turned over, and fully stirring evenly, standing and discharging; and adding clear water in the soil, carrying out drip washing for 1-3 times, and fully stirring evenly, standing and discharging; and adding a conditioning agent in the soil, fully stirring evenly, standing, and moisturizing and maintaining to obtain the repaired farmland soil. The whole treatment process is simple, the cost is low, the period is short, the structure and the character of the soil are not affected, normal farming and planting of the land are not obstructed, heavy metals can be removed perpetually, and therefore, the method can be widely used for repairing the cadmium-polluted farmland soil.

The tiltable bush-spring sheet assembly for gas turbine has separated main bush and auxiliary bush supported onto the spring sheet assembly tiltably. The spring sheet assembly comprising several laminated spring sheets is used to balance the loads on different bushes caused by their tilt and unevenness. Via measuring the rigidity of each spring sheet, the rigidity of the laminated spring sheet assembly is calculated. During trial or running of the gas turbine, the spring sheet assembly is forced to deform, and measuring the axial displacement of the rotor can measure the axial force of therotor.

The invention discloses an optic fiber monitoring device for shell component stress. The optic fiber monitoring device for the shell component stress comprises a first groove which is formed in a shell component, and A-side deformation teeth and B-side deformation teeth are respectively arranged on two opposite faces in the first groove, wherein the A-side deformation teeth and the B-side deformation teeth correspond to each other in a staggered mode. A first signal optical fiber is clamped between the A-side deformation teeth and the B-side deformation teeth of two opposite sides of the first groove. The first signal optical fiber is connected with a test unit which is connected with a processing unit. Adhesion agents are filled in the first groove. A protective skin is covered on the exterior of the first groove. The optic fiber monitoring device for the shell component stress not only has a good protective effect, but also can detect stress changes when structure is changed, and has distributed monitoring ability.

The invention discloses a JFET integrated in an LDMOS. A grid electrode region of the JFET is simultaneously used as a channel region of the LDMOS. The JFET and the LDMOS share a drift region and a drain region. A deep trap at the bottom part of the grid electrode region of the JFET forms a channel region of the JFET. A source region and the drain region of the JFET are respectively arranged at two sides of the channel region of the JFET. A source region of the JFET is formed on the surface of the deep trap. A second conductive type buried layer is formed at the position of a first conductively type deep trap at the bottom part of the channel region of the JFET and at the junction position of a second conductive type semiconductor substrate. The buried layer and the grid electrode region of the JFET realize the consumption of the channel region of the JFET together, and the fluctuation of the channel region consumption of the JFET, which is caused by the fluctuation of the doped concentration of the substrate when the substrate and the bottom part of the channel region of the JFET directly contact, is eliminated, so that the stability of the device is improved. The invention further discloses a manufacturing method of the JFET.

The invention discloses an array substrate and a display panel and aims at solving the problem of the existing array substrate that the large density of TFT (Thin Film Transistor) elements in the region of a driving circuit results in the reduction of the light transitivity on the lower side of a sealant region and poor sealant curing effect. The array substrate in the embodiment of the invention comprises an effective display region and a driving circuit arranged on the periphery of the effective display region, wherein the driving circuit comprises at least one switch device which is connected with a signal wire of the effective display region, the switch device comprises a channel structure which is used for providing signals with a transmission channel and is made of an opaque material, and at least one light transmitting part is arranged on the channel structure. As at least one light transmitting part is arranged on the channel structure of the at least one switch device in the array substrate of the embodiment of the invention, the light transitivity of the switch device is increased.

The invention relates to a temperature sensing diode structure integrated on a transistor and a preparation method thereof; the upper portion of a first polysilicon layer is connected with a second oxide layer and an insulation dielectric layer; the second oxide layer has an isolation portion isolating a diode zone and an annular isolation portion; the annular isolation portion can isolate the first polysilicon layer in the diode zone so as to form a diode first doping zone and an isolation protection ring separated from each other; the isolation protection ring is not closed; a diode second doping zone with an arced periphery is connected in the diode first doping zone so as to form a transverse PN junction; the first and second electrodes of the diode are connected with corresponding first and second doping zones of the diode; a protection electrode penetrates the insulation dielectric layer and is connected with the isolation protection ring on the first polysilicon layer; the protection electrode is connected with the first electrode so as to form equipotential. The temperature sensing diode structure is reasonable in structure, can detect the transistor chip temperature in real time, can prevent external current, voltage and electric field changes from affecting the temperature sensing diode, and can reduce the production cost.

The invention relates to a preparation method for a silane coupling agent modified CNTs / CFDSF / AG-80 epoxy resin composite material. The preparation method mainly comprises the following steps: step 1,acidification of carbon nanotubes (CNTs) with a mixed acid solution of concentrated nitric acid and concentrated sulfuric acid; step 2, modification of O-CNTs obtained by acidification treatment through a silane coupling agent; step 3, surface cleaning and surface modification treatment of carbon fiber double-layer spaced fabric (CFDSF); and step 4, pouring and thermocuring of CFDSF with a prepared modified CNTs / AG-80 epoxy resin solution. According to the invention, the silane coupling agent modified CNTs / CFDSF / AG-80 epoxy resin composite material prepared through the above-mentioned preparation steps and concrete process parameters thereof and with advantages of good conductivity, thermodynamic properties and less usage amount of a conducting material has the following advantages: modified carbon nanotubes are uniformly distributed in a matrix; and the composite material has good conductive stability and can be extensively applied to the fields of electronics, electrostatic protection, electromagnetic shielding, microwave absorption, etc.

The invention discloses a method for detecting nucleic acid based on nano micro-bead nucleic acid extraction in a single tube, which takes nano-beads as the platform and completes extraction, amplification and detection of the nucleic acid in a single reaction. In this way, it can integrates extraction, amplification and detection to be a continuous process to ensure the extracted nucleic acid to totally participates amplification and detection, and it facilitates the high-throughput nucleic acid detection experiment. The technical program include: it releases the nucleic acid in the sample and mixes with nano-beads. The nucleic acid and nano-beads reacts to achieve nucleic acid -nano-bead complex if there is nucleic acid in the samples. The nucleic acid - nano-bead complex separates with other ingredients. The separated nucleic acid - nano-bead complex is directly used for the real-time nucleic acid amplification of the target nucleic acid detection system to make it clear whether there is specific nucleic acid sequences in the samples and determines their concentrations.

The invention provides graphene anti-cracking glaze water and a preparation method thereof. The preparation method comprises the steps of blending, grinding, regulation of the content of iron oxide, preparation of graphene dispersion liquid, mixing, regulation of expansion factors, and stirring and uniformly mixing to obtain a finished product. Graphene is added in the graphene anti-cracking glazewater, thus, the strength of toughness of the glaze water can be improved effectively, an anti-cracking property can be greatly improved, addition of the graphene cannot affect the characters and color of the glaze water, and the quality of a ceramic finished product can be improved. The graphene dispersion liquid is prepared by a polymeric dispersant, and the dispersion stability of graphene inthe glaze water can be improved effectively.