53results about How to "Improve the level of" patented technology

The application relates to the field of metal part processing devices, in particular to an ultrasonic rolling device for metal parts. The device comprises a connecting plate, a rotating seat is arranged at the upper end of the connecting plate, an electric telescopic rod is fixed at one side of the lower end of the connecting plate, an ultrasonic roller is fixed at the other side of the lower end of the connecting plate, a fixed plate is fixed on the telescopic rod of the electric telescopic rod, a plurality of inclined movable rods are hingedly connected to the lower end of the fixed plate, the plurality of inclined movable rods are arranged according to the circumferential distribution of the axis of the fixed plate, and two adjacent movable rods are connected through a distance measuring assembly. The distance measuring assembly is used for measuring the distance between the two movable rods connected thereto. When the levelness of the workpiece is measured, the plurality of movable rods are controlled to descend simultaneously through the electric telescopic rod, the lower ends of the plurality of movable rods are in contact with the upper end of the workpiece, the distance between the movable rods is measured through the distance measuring assembly, whether the workpiece is vertical is determined according to the measured data, and therefore the efficiency of measuring the levelness of the workpiece is high.

This invention discloses a high-gloss, high-hardness water-based single-component acrylic industrial decorative topcoat and its preparation method. The topcoat, by weight percentage, comprises: 50%-65% high-gloss hydroxyl acrylic emulsion, 5%-10% silicone-modified acrylic resin, 2%-5% flake-shaped nano-aluminum powder treated with a silane coupling agent, 2%-8% pH-responsive microcapsule crosslinking agent, 0.5%-1.5% anti-flash rust agent, 0.1%-0.5% hydrophobic leveling agent, 0.5%-1.5% thixotropic polyurethane thickener, 0.2%-0.8% pH adjuster, and 0.5%-1.5% wetting and dispersing agent, etc. This invention, by introducing a pH-responsive microcapsule crosslinking agent and flake-shaped nano-aluminum powder, achieves stability of the single-component coating during storage and deep crosslinking after application. The resulting paint film has excellent gloss (60°≥90), high hardness (≥H) and outstanding corrosion resistance (salt spray resistance ≥400h), which solves the contradiction between the insufficient protective performance of existing water-based single-component acrylic topcoats and the poor decorative properties of high-performance anti-corrosion coatings.

The application belongs to the technical field of adhesives and sealants, and specifically provides a sealing wax as well as a preparation method and application thereof. The sealing wax comprises the following components in parts by mass: microcrystalline wax 40-60 parts, polyethylene wax 1-5 parts, ethylene-vinyl acetate copolymer 3-8 parts, low-molecular-weight polyisobutylene 2-5 parts, medium-molecular-weight polyisobutylene 2-5 parts, tackifying resin 15-20 parts, and flame retardant 3-5 parts. The number-average molecular weight of the low-molecular-weight polyisobutylene is less than 5000, and the viscosity-average molecular weight of the medium-molecular-weight polyisobutylene is 10000-40000. Through the design and mutual compounding of the components, the sealing wax has a high melting point, a low water absorption rate, a high volume resistivity, good high-temperature and low-temperature resistance, and strong waterproof and moisture-proof performance, high mechanical strength and toughness, high insulation, high transparency, and strong sealing effect, and has good flow leveling property and good flame retardant performance, and can meet the strict use requirements of high-end electronic equipment.

This utility model discloses a high-efficiency dry-hanging system for walls, including a fixed component and a sliding component that are slidably connected. The end of the fixed component away from the sliding component is fixed to the wall, and a metal plate or mesh is installed on the end of the sliding component away from the fixed component. Wall tiles are dry-hanging on the outside of the metal plate or mesh. The fixed component consists of an upper fixing plate and a lower sleeve. The top of the sleeve has a threaded hole, and the bottom of the sleeve has an adhesive application port. This utility model can achieve convenient and efficient installation of wall tiles using metal plates or mesh, and facilitates leveling, significantly improving the efficiency of leveling construction. It can also improve the connection strength of wall tiles and solve the problem of wall tiles being prone to cracking and surface material peeling under external forces.

The invention relates to a water-based zero-VOC (volatile organic compound) coating as well as a preparation method and application thereof. The water-based zero-VOC coating is prepared from a component A and a component B, wherein the mass ratio of the component A to the component B is (11: 1)-(12: 1); wherein the component A is prepared from the following components in parts by mass: 27 to 35 parts of low-hydroxyl acrylate dispersoid, 27 to 35 parts of polyurethane dispersoid, 1 to 2 parts of wetting dispersant, 0.1 to 0.3 part of defoaming agent, 17 to 27 parts of pigment filler, 0.05 to 0.2 part of color paste and 1 to 4 parts of delustering agent; the water-based ink comprises the following components in parts by weight: 30-50 parts of water-based ink, 0.3-1 part of a substrate wetting agent, 0.3-1 part of an ultraviolet light absorber, 0.3-1 part of a light stabilizer, 0.1-0.4 part of a thickening agent and 3-12 parts of deionized water. And the component B is a hexamethylene diisocyanate curing agent. No solvent is added into the coating, the VOC content is zero, and harmful substances such as heavy metal, benzene and formaldehyde are not contained.

This application belongs to the field of traditional Chinese medicine, specifically relating to a spleen-strengthening and blood-activating traditional Chinese medicine preparation that enhances the expression of metallothionein and its uses. This application provides a traditional Chinese medicine composition comprising, by weight, the following raw materials: 1-20 parts jujube, 1-20 parts yam, 1-10 parts Buddha's hand, 1-9 parts Lithospermum erythrorhizon, 1-9 parts corn silk, 1-9 parts lotus leaf, 1-15 parts ginseng leaf, and 1-20 parts hawthorn. This application also provides a traditional Chinese medicine preparation, as well as the uses of the above-mentioned traditional Chinese medicine composition and preparation. The traditional Chinese medicine preparation provided in this application effectively enhances the liver's detoxification, antioxidant, and anti-inflammatory capabilities by increasing the expression of hepatic metallothionein, thereby reducing the probability of liver damage and preventing and delaying the further development of liver diseases.

The present application relates to the technical field of water-based paint, in particular to a kind of polyaniline nano composite water-based epoxy heavy-duty anticorrosive paint and preparation method thereof, comprising: component A and component B, the component A includes water-based epoxy resin, film forming aid, dispersing agent, defoaming agent, polyaniline modified nano functional material, sheet filler, wetting and leveling agent, corrosion inhibitor, low shear thickening agent and medium shear thickening agent;The component B is water-based curing agent.The coating can solve the problem of environmental pollution emission in the coating process, and can also solve the hidden danger of safety, while having the characteristics of low density, high solid content, low paint consumption, high coating rate, fast surface drying time, high anti-sagging performance, etc., and the technical performance parameters can meet the protection requirements of C4, C5 coating standard.

The application discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The inorganic copolymer anticorrosive paint comprises the following raw materials in parts by weight: 20-30 parts of silica sol, 8-15 parts of sodium hydroxide, 30-45 parts of metakaolin, 8-20 parts of quartz sand, 15-25 parts of water, 0.3-2 parts of sodium polyacrylate, 0.2-3 parts of polydimethylsiloxane emulsion, 5-12 parts of modified nanometer titanium dioxide, 6-10 parts of modified epoxy resin, 10-25 parts of hydroxyethyl methacrylate, 5-10 parts of zinc phosphate, 3-8 parts of aluminum tripolyphosphate and 2-6 parts of red iron oxide. The inorganic copolymer anticorrosive paint has scientific raw material proportioning, and the anticorrosive performance is enhanced through the modified nanometer titanium dioxide and the epoxy resin. In the preparation, step-by-step feeding and ultrasonic dispersion are adopted to ensure that the materials are uniform, and vacuum degassing and nitrogen protection are adopted to improve the stability. The silica sol, the zinc phosphate and other components have a synergistic effect, a dense coating is formed, the anticorrosive performance is high, the construction performance is good, and the inorganic copolymer anticorrosive paint is suitable for various scenes.

This utility model relates to a rotary arm assembly and a column robot with reduced end-effector droop. The rotary arm assembly includes a connecting arm and a first rotary drive component installed at the end of the connecting arm. The end of the connecting arm has a thickened portion in the section where the first rotary drive component is installed, increasing the thickness of the connecting arm body. The column robot includes at least one rotary arm assembly, a lifting assembly, and a material handling assembly. This utility model balances the relationship between structural strength and self-weight by thickening the stress concentration area while maintaining the original thickness in the non-stress concentration areas, thereby reducing the degree of end-effector droop of the rotary arm assembly, ensuring good levelness of the connecting arm, and improving motion accuracy. The column robot operates smoothly, has a wide range of movement, and achieves automated operation.

The present application relates to a kind of container spreader control system, including whole vehicle controller and spreader controller.Whole vehicle controller input connection lock switch, unlock switch and handle.Spread controller is connected with whole vehicle controller signal, and its input connection box access switch, lock access switch, unlock access switch, extension access buffer switch, contraction access buffer switch, and its output connection lock electromagnetic valve, unlock electromagnetic valve, extension electromagnetic valve, contraction electromagnetic valve, left side shift electromagnetic valve, right side shift electromagnetic valve.The present application cancels the control scheme of existing relay hard link, uses domestic whole vehicle controller and spreader controller and passes through CAN communication transmission signal mode, completes the functions such as container spreader's box, lock, unlock, extension, contraction, left and right side shift, left and right lateral inclination, front and back inclination, counterclockwise rotation, clockwise rotation, rotation deceleration stop, high-speed rotation, leveling function and intelligent limit angle function, and enriches the functionality of spreader system.

The present application discloses a kind of heavy die test press machines, including body frame, main oil cylinder, body frame is made of lower crossbeam, column and upper crossbeam.Key features include slider, lifting cylinder, motor, friction stopper and moving platform.Slider includes rotary slider, pressurized slider and side slider, wherein pressurized slider is installed in frame by guide rail, connected with main oil cylinder.Side slider moves up and down through guide assembly and guide rail, and double-side lifting cylinder drives its action.Rotary slider connects two side sliders through rotary shaft, and motor is installed on side slider, rotary motion is realized through driving gear and rotary gear.Moving platform is installed on lower crossbeam, used for installing lower die.Through innovative double-side synchronous drive and gear set driving, the test press machine improves system stability, rotary load capacity and test function, and provides significant technical advantage for large, heavy die test requirements.

The application relates to the technical field of compound medicines, and discloses application of a compound external-use patch for preventing and treating diabetic peripheral neuropathy, wherein the compound external-use patch comprises a gel base and dry extract and volatile oil doped into the gel base, the dry extract and the volatile oil are derived from a compound, and the compound is composed of 10-20 parts of cinnamon, 8-12 parts of asarum, 8-12 parts of evodia, 8-12 parts of chuanxiong and 0.2-0.8 parts of borneol in terms of weight parts. The compound external-use patch of the application is locally pasted on acupoints or joints of DPN rats, can reduce the blood sugar level of diabetic peripheral neuropathy rats, increase the insulin level, improve insulin resistance, prolong the latent period of hot stimulation foot withdrawal, increase the nerve conduction velocity, maintain the normal morphology and function of nerve cells, and therefore can prevent and inhibit the generation and deterioration of diabetic peripheral neuropathy; and the compound external-use patch improves the safety and convenience of patients in taking medicine compared with oral medicine.

The application provides a kind of superparamagnetic micro-particle based on microbial template, the mass ratio of cobalt element and iron element in superparamagnetic micro-particle is (1-5):1;The content of iron element in superparamagnetic micro-particle is 18-75 mg / g, and the content of cobalt element is 18-375 mg / g.Simultaneously, the application also provides the preparation method and application of the superparamagnetic micro-particle.The superparamagnetic micro-particle can effectively load antigen protein, and then induce the body to produce long-term, efficient specific immune response, improve the protection ability, and can be applied to the preparation of vaccine adjuvant.

This invention discloses a novel use of pyrroloquinoline quinone (PQQ) in improving conception rates after artificial insemination in beef cows, as well as compositions containing rumen-protected PQQ and their application methods, belonging to the field of animal nutrition and reproductive technology. Addressing the problem of low conception rates in beef cattle after artificial insemination due to early embryonic oxidative stress death, this invention proposes continuously adding an effective dose of rumen-protected PQQ to the cow's diet starting from the day of artificial insemination. This method significantly increases the conception rate of cows from approximately 40.00% in the control group to 80.00%. This invention is safe, effective, and easily applicable in large-scale farming.

This invention relates to the field of coatings, specifically to a wear-resistant, formaldehyde-removing artistic coating and its preparation method. The coating, by weight, comprises: 45-55 parts of waterborne polyurethane-modified acrylic emulsion, 15-25 parts of silane-modified filler, 4-8 parts of supported formaldehyde-removing filler, 6-12 parts of pigment, 0.2-0.6 parts of dispersant, 0.1-0.4 parts of defoamer, 0.3-0.8 parts of thickener, 1-3 parts of film-forming aid, and 15-25 parts of deionized water. This invention achieves a balance between film hardness and toughness by using waterborne polyurethane-modified acrylic emulsion as the film-forming substance and combining it with silane-modified filler. The polyurethane segments provide excellent flexibility and resilience, the acrylic segments provide high hardness, and the silane-modified filler forms a strong chemical bond with the resin matrix through a silane coupling agent, improving the overall performance of the coating and extending its service life.

The utility model discloses a horizontal debugging structure of machine tool relates to horizontal debugging technical field, and its technical scheme is: including: adapter plate, the recess is seted up on adapter plate, and the recess front and back both sides are seted up with two mounting holes, base plate, it sets up two, two base plates are all fixedly connected in adapter plate top, two base plates are perpendicular distribution, two base plate top all are fixedly connected with two pad, two pad all are equipped with two levels, fixed component, it sets up two, two fixed components are set in two base plate top and two fixed components perpendicular distribution, the beneficial effect is: install adapter plate on the main shaft on machine tool main body, and adapter plate and machine tool main body's main shaft are perpendicular, and two levels on adapter plate will be on a smooth plane, and also can see where the level of machine tool main body has the problem when debugging, thereby more accurate to the machine tool level carries out debugging, can improve the precision and levelness of machine tool.

This invention discloses a vacuum electroplating UV-curable primer and its preparation method, relating to vacuum electroplating UV-curable coatings. The vacuum electroplating UV-curable primer of this invention has suitable curing efficiency and excellent coating adhesion. The coating exhibits low UV-curing volume shrinkage and excellent flexibility and leveling properties, resulting in a smooth, flat, high-gloss, and metallic finish. Furthermore, it demonstrates superior high-temperature resistance and water-boiling resistance, exhibiting excellent overall performance.

This utility model discloses an indoor riser tee installation corrector, including a corrector rod. One end of the corrector rod is provided with an auxiliary component, and an adjustment component is connected to the auxiliary cylinder. The auxiliary component on the corrector rod can provide auxiliary restraint during the installation of the auxiliary cylinder, reducing the possibility of displacement of the auxiliary cylinder during the correction process and improving the correction accuracy. At the same time, the adjustment component on the auxiliary component can adjust the size of the adjusting rod according to the usage of the indoor riser tee, meeting the high-precision and multi-scenario installation requirements of the indoor riser tee installation corrector. The mounting seat and spirit level on the corrector rod help improve the levelness of the corrector rod during use, which in turn improves the accuracy of the indoor riser tee installation corrector.

This invention belongs to the field of protein technology and relates to a peptide that prevents collagen loss and its preparation method. The amino acid sequence of the peptide is KSYELPDGQVITIG, with the key active fragment being ELPDGQVIT. The peptide is obtained by enzymatic hydrolysis of defatted grain insect powder using alkaline protease, trypsin, papain, neutral protease, and flavor protease. This peptide can inhibit the expression of MMP1 and MMP9 in L929 cells after UVA irradiation, thus alleviating collagen loss.

This invention relates to the fields of microbial fermentation and genetic engineering technology, specifically disclosing a method for preparing human type III collagen fragments. Based on Pichia pastoris, this invention constructs a multidimensional synergistic expression system of "molecular chaperone co-expression - precursor supply - osmotic pressure adaptation regulation," reducing the structural instability of collagen fragments during secretion and post-processing, and constructing an expression system suitable for stable and efficient secretion of collagen fragments. The method described in this invention can achieve efficient extracellular secretory expression of human type III collagen fragments, and the obtained protein has high structural uniformity and stability, with a protein yield of up to 6.55 g / L under 5 L fermenter conditions. The method described in this invention is suitable for the large-scale preparation of human type III collagen fragments and provides a new technical solution for obtaining collagen products with high structural uniformity and good functional activity.

The utility model discloses a kind of uniform glue devices for dry rewinder, including stand, the upper and lower ends of the one side wall of stand are respectively provided with upper support plate and lower support plate, upper support plate and lower support plate are horizontally arranged and mutually correspond, and U-shaped structure is formed between stand, upper support plate and lower support plate;Upper support plate is equipped with spray pipe, inlet pipe is equipped on spray pipe, the bottom end of spray pipe is equipped with the spray port for the glueing surface of film substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate substrate

The application discloses monodisperse smooth spherical silver powder, a preparation method and application thereof, wherein the silver powder has a particle size distribution parameter D100 of less than or equal to 4.0 microns, a sphericity ratio range of 0.85 to 1.15, and a specific surface area range of 0.60 to 0.75 m 2 / g. In view of the trend of narrow line width of the metalized printing of the crystalline silicon solar cell, the silver powder as the conductive phase of the silver paste needs to have a smaller D100 value and higher monodispersity. The application realizes high sphericity of the silver particles by constructing high supersaturation, inhibits agglomeration by combining two types of surface adsorbents with adsorption effect, and then adjusts the D100 value and optimizes the smoothness of the surface by Ostwald ripening process, so as to obtain the silver powder with excellent monodispersity, small D100 value, high sphericity and smooth surface, which effectively meets the high-precision requirement of the narrow line width printing of the photovoltaic cell, and is suitable for the field of high-performance conductive paste preparation.

This invention discloses a novel application of undecanoic acid in inducing ferroptosis in laryngeal cancer cells and in the preparation of anti-laryngeal cancer drugs. For the first time, it was discovered that the known compound undecanoic acid can specifically target the mitochondria of laryngeal cancer cells, inducing mitochondrial structural damage and dysfunction. This, in turn, activates the ferroptosis pathway through multiple mechanisms, including increasing intracellular ferrous ion accumulation, increasing lipid peroxide levels, downregulating GPX4 / SLC7A11 expression, and upregulating ACSL4 expression, thereby effectively inhibiting the proliferation of laryngeal cancer cells. Based on this mechanism, this invention provides a pharmaceutical composition with undecanoic acid as the active ingredient, and its combined application with platinum-based drugs (such as cisplatin). This combined treatment exhibits a significant synergistic effect, particularly overcoming the platinum resistance of laryngeal cancer cells. This invention provides a novel drug selection and combination therapy strategy for the treatment and prevention of laryngeal cancer and precancerous lesions.

The application relates to the technical field of box girder hoisting equipment, in particular to a hoisting auxiliary device for box girder transportation. The box girder is connected and fixed through a first mounting plate. When the box girder is subjected to eccentric load, the first connecting plate is deflected, at which time the rolling balls in the arc-shaped pipeline roll, at which time the position sensor controls the first hydraulic cylinder on the corresponding side to start through a control system, drives the first sliding frame on the corresponding side to slide to a position close to the middle of the first connecting plate, so that the force on the left side of the first connecting plate is reduced, the rolling balls can return to the middle position of the arc-shaped pipeline, at which time the forces on the left and right sides of the first connecting plate are equal, the box girder can be leveled, the stability of the box girder during hoisting and moving is facilitated, the hoisting mechanism is protected, and the hoisting auxiliary device has a wide application prospect in the technical field of box girder hoisting equipment.

The application provides a numerical control machine tool leveling structure and a leveling method. The numerical control machine tool leveling structure comprises a first displacement sensor (1), a second displacement sensor (2), a support column (3), a base (4) and a leveling device, the support column (3) is configured to support the numerical control machine tool, the support column (3) is arranged on the base (4), the leveling device is arranged on the base (4) and is configured to be capable of adjusting the height of the support column (3), the first displacement sensor (1) is arranged on the support column (3), and the second displacement sensor (2) is arranged on the base (4). According to the numerical control machine tool leveling structure, the cause of the precision deviation of the numerical control machine tool can be detected in time and accurately, the numerical control machine tool can be leveled, and the machining precision of the machine tool is ensured.

This invention belongs to the field of water-based self-adhesive varnishes, specifically relating to a low-temperature, fast-drying, direct-soldering, high-adhesion enameled wire water-based self-adhesive varnish and its preparation method. The low-temperature, fast-drying, direct-soldering, high-adhesion enameled wire water-based self-adhesive varnish provided by this invention comprises, by weight percentage, 78-82% anionic polycarbonate-type polyurethane dispersion, 0.2-2% surface additives, 3-8% polyurethane resin, and 12-14.8% deionized water. The low-temperature, fast-drying, direct-soldering, high-adhesion enameled wire water-based self-adhesive varnish provided by this invention has a tack-on temperature higher than 90℃, a peak tack temperature of 155℃, and a full-coat tinning temperature not exceeding 360℃. It can be used in various fields such as shipbuilding, aircraft, high-speed rail, high-end engineering equipment, electronics, electrical engineering, and motors, effectively enhancing insulation performance, protecting conductors, and improving equipment stability.

The application discloses a method for improving the proportion of genistein in soybean isoflavone glycosides through directional fermentation. Lactobacillus sp. The method is characterized in that Lactobacillus (RS-03027) is used for fermentation after induced pre-culture, and the substrate is fed in batches, so that high selective conversion of isoflavone glycosides to genistein is realized. The strain has high beta-glucosidase activity related conversion capacity, has been preserved in the China General Microbiological Culture Collection Center, and the preservation number is CGMCC No.21302. The process realizes high accumulation and high selective enrichment of the target product, effectively inhibits non-target aglycone, and has industrial amplification application potential.

This application discloses a liver peptide with liver-protective and eye-fatigue-relieving properties, its preparation method, and its applications, belonging to the field of biotechnology. The liver peptide contains at least one of DAIP, SPF, DIAP, SLP, AVGP, or NLP. The prepared liver peptide has multiple physiological functions: it can effectively activate ADH enzyme activity, reduce ALT and AST levels, and protect hepatocytes; it improves lipid metabolism by regulating the expression of SREBP-1c, FAS, and PPAR-α genes; it also has significant antioxidant capacity, reducing ROS levels and increasing SOD and CAT content; and it can upregulate RPE65 and LRAT gene expression, maintaining visual function. The method disclosed in this invention is simple and convenient to operate, and the obtained liver peptide can be widely used in functional products for liver protection and eye fatigue relief, providing an innovative solution for the high-value utilization of liver resources.