20results about How to "Good thickening" patented technology

The invention discloses an anti-settlement subgrade layered filling structure and a construction method, the anti-settlement subgrade layered filling structure comprises soft rock filler layers, a silty sand layer is filled every other soft rock filler layer with a fixed thickness, and a composite geomembrane is laid on the silty sand layer; the composite geomembrane sequentially comprises a curing layer and a drainage layer from bottom to top, the curing layer comprises a plurality of reinforcing units distributed in an array mode, each reinforcing unit comprises an upper layer and a lower layer which are filled with urease and cementing liquid respectively, the urease and the cementing liquid are sealed through the geomembrane, a trigger device is arranged in the upper layer, and the drainage layer is arranged in the lower layer. When the roadbed is settled, the trigger device moves downwards along with the roadbed to solidify the settled part; the drainage layer comprises a capillary drainage structure and is used for transversely guiding water out to the side slope. All the structural layers are matched with one another, outside water is prevented from entering a soft rock filling layer, meanwhile, the drainage capacity of the soft rock roadbed is greatly improved, the disintegration and softening effects of rainwater on soft rock are reduced, the service life of the soft rock roadbed is prolonged, the long-term stability of the roadbed is improved, and applicability is high.

The invention relates to the technical field of water-proof and oil-proof agents, and provides an enhanced water-proof and oil-proof treating agent and a preparation method thereof.The water-proof and oil-proof treating agent is prepared from, by weight, 30-50 parts of silane monomers, 15-30 parts of functional monomers, 1-5 parts of cross-linking monomers, 1-4 parts of alkaline matter, 0-3 parts of anionic surfactant and 0.5-0.8 part of initiator; 0-0.3 part of a molecular weight control agent, 100-200 parts of an organic solvent and 200-300 parts of deionized water; and 1-5 parts of a synergist. The enhanced water-proof and oil-proof treating agent provided by the invention is fluoride-free and has efficient water-proof and oil-proof performance.

The application provides a low-deuterium water red ginseng and rhodiola compound mask as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The low-deuterium water red ginseng and rhodiola compound mask provided by the application comprises the following raw materials: a red ginseng and rhodiola compound, low-deuterium water, hydroxyethyl cellulose, carbomer-980, carbomer-981, panthenol, 1,2-hexanediol, p-hydroxyphenylacetone, glycerol, dipropylene glycol, beta-glucan, sodium alginate, disodium EDTA, betaine, allantoin, 1,3-butanediol, PEG-40 hydrogenated castor oil and tromethamine; the red ginseng and rhodiola compound is composed of red ginseng extract and rhodiola extract. The low-deuterium water red ginseng and rhodiola compound mask provided by the application has the effects of antioxidation, whitening and anti-photoaging, and can realize synergistic whitening and anti-photoaging.

This invention discloses a land-based culture method for Pinctada martensii, comprising the following steps: 1) injecting artificial seawater into a pearl-forming pond; 2) placing Pinctada martensii oysters that have already undergone nucleus implantation and a resting period into the pearl-forming pond. Different feeds are provided during the spring, summer, autumn, and winter seasons. Pearls can be harvested after 3-18 months of culture. This method achieves a nacre thickness of 0.249-0.510 mm after 3 months of land-based culture of Pinctada martensii, with a survival rate ≥98% during the care period and ≥95% during the pearl-forming period.

The invention provides modified hydroxypropyl methyl cellulose for a capsule shell wall material and a preparation method of the modified hydroxypropyl methyl cellulose, and belongs to the technical field of pharmaceutic adjuvants. The preparation method comprises the following steps: modifying hydroxypropyl methyl cellulose prepared from straws through KH560 to prepare silane modified hydroxypropyl methyl cellulose, mixing the silane modified hydroxypropyl methyl cellulose with modified enzymolysis starch prepared through enzymolysis and silane coupling agent modification, adding the mixture into water, adding gelatin, stirring and mixing uniformly to form a glue solution, adding EDC, and stirring and reacting to prepare the modified hydroxypropyl methyl cellulose for the capsule shell wall material. The prepared modified hydroxypropyl methyl cellulose for the capsule shell wall material has better stability, film-forming property, water and oxygen resistance and mechanical strength, is green and non-toxic, is low in cost, also has low allergy and chemical stability, has proper drug dissolution rate and bioavailability, has biodegradability and good biocompatibility, and can be used for preparing the capsule for treating the hyperplasia and hyperplasia of the hyperplasia and hyperplasia of the hyperplasia and hyperplasia of the hyperplasia and hyperplasia of the hyperplasia and hyperplasia. The capsule shell material is a good capsule shell material and has a wide application prospect.

The invention discloses the use of iridoid compounds in preparing a drug for treating acute lung injury or pulmonary fibrosis. By using RLE-6TN and Raw264.7 to construct an acute lung injury cell model, an LPS-induced mouse acute lung injury model and a bleomycin-induced mouse pulmonary fibrosis model, the protective effect of iridoid compounds, especially morroniside and loganin, on acute lung injury and their mechanism of action are discussed from the aspects of the expression of proinflammatory cytokines, pathological manifestations of lung tissue, anti-oxidation, and expression of proteins related to the NF-κB / Stat3 signaling pathway. By replicating a model of pulmonary fibrosis, the protective effect of loganin and morroniside on pulmonary fibrosis is preliminarily confirmed; and it is preliminarily verified that the protective effect of loganin and morroniside on acute lung injury may be achieved through the NF-κB / Stat3 signaling pathway.

The invention relates to the field of plant cultivation, in particular to a nutrient solution for increasing the survival rate of guava seedlings and a preparation method of the nutrient solution. According to the composition for improving the survival rate of guava seedling culture, the seaweed oligosaccharide in the composition can continuously provide nutrients for guavas, improve photosynthesis of the guavas, prevent adverse effects of severe environments and heavy metals in soil on the guavas, improve stress resistance and disease resistance of the guavas and improve the survival rate of guava seedlings. The thickening of vascular bundles in the root hair region of the guava is promoted, and the expression of genes synthesized with indole substances is enhanced; the plant hormone simulates the biological action of plant endogenous auxin and can promote the growth and development of the root of the guava; by combining the three components of leonuride, naringenin and resveratrol, the oxidation resistance of the root system of the guava can be further enhanced, the oxidative stress of the root system is reduced, the nutrient absorption capacity of the root system is improved, the aim of improving the survival rate of the guava seedling culture is finally achieved, and the survival rate reaches 99% or above.

The invention discloses a bipolar current collector with double copper layers and a preparation method thereof, and relates to the field of battery current collectors, the current collector takes an aluminum foil as a substrate, and a compact first copper layer prepared by magnetron sputtering and a thickened second copper layer prepared by electroplating are sequentially arranged on one side of the substrate. The first copper layer is prepared by adopting an intermittent deposition method, a pause interval is set in the deposition process, and substrate heating and low-energy ion beam bombardment are assisted, so that the compactness and the bonding strength of a plating layer are remarkably improved; and the second copper layer is prepared by adopting a pulse electroplating method, so that the non-porous and uniform structure is further ensured. Through a sputtering and electroplating composite process, a copper-aluminum interface which is high in binding force and free of defects is successfully constructed, electrolyte permeation is effectively blocked, and generation of lithium-aluminum alloy is prevented, so that the use safety of the bipolar current collector is greatly improved, and the cycle life of a battery is greatly prolonged.

The utility model belongs to the technical field of binding device, and disclose a kind of anti-falling fastening type binding device, including handle, the top of handle is connected with binding device body, the surface of handle is engagedly connected with first grip block, the surface of handle is engagedly connected with second grip block, first grip block is provided with the engagement assembly, second grip block is provided with the limiting component, the utility model is slid in the inside of first clamping groove by the elastic connection effect of contraction spring, it is convenient to make corresponding second magnetic sheet, four clamping blocks are conveniently clamped into second clamping groove, simultaneously by the magnetic adsorption of first magnetic sheet and second magnetic sheet, it is convenient to limit the inside of second grip block by clamping block, it is convenient to butt joint installation by first grip block and second grip block, the surface of handle is thickened, to adapt to the holding degree required by construction personnel, meet the holding needs of different workers, avoid the situation that holding appears to fall off and improve the anti-falling property when the overall use of binding device body.

The invention discloses an exploitation method for promoting natural gas hydrate replacement through liquid carbon dioxide fracturing. According to the replacement mining method, carbon dioxide-containing mixed gas is adopted as replacement gas, and a thickening agent is added into the carbon dioxide-containing mixed gas; the mining method is used for a natural gas hydrate reservoir with the hydrate saturation not lower than 40%. The carbon dioxide-containing mixed gas is a mixed gas of carbon dioxide and nitrogen, and the molar content of the nitrogen is not more than 10%; the mixing pressure of the mixed gas containing carbon dioxide is not lower than 15 MPa. According to the liquid carbon dioxide two-stage pressure regulating method provided by the invention, natural gas hydrate reservoir fracturing is realized, and nitrogen and polydimethylsiloxane in the liquid carbon dioxide enter internal pores of the natural gas hydrate reservoir through pressure drop in the first stage; the thickening of liquid carbon dioxide in pores by polydimethylsiloxane in the subsequent fracturing process is facilitated, and meanwhile, the nitrogen is promoted to penetrate into the natural gas hydrate reservoir to participate in the reinforcement of the replacement reaction process.

The invention discloses a myopia prevention and treatment phototherapy cabin and system, and the cabin comprises at least one room, the room is internally provided with at least one color light illumination system, the wavelength of emitted light of the color light illumination system is one section or all of 550-1100 nm, and the emitted light of the color light illumination system can directly irradiate or reflect into human eyes and enter a system. According to the myopia prevention and treatment phototherapy cabin, far-red light of 550-1100 nm is emitted through the color light illumination system for eye stimulation, then non-contact myopia prevention and treatment can be achieved, the myopia prevention and treatment can be carried out by multiple persons at the same time, the prevention and treatment efficiency is improved, and the myopia prevention and treatment efficiency is improved. The device is suitable for centralized treatment.

The present application belongs to the field of stainless steel surface treatment, and discloses a kind of stainless steel high-temperature oxidation resistant coating and preparation method and stainless steel product.The coating includes primer and topcoat: the primer contains micro-nano silicon sol, nano zinc / magnesium powder, potassium salt and polyethylene glycol; the topcoat contains polysiloxane, silicone oil, nano Zn powder, nano CuO powder, NiO powder, polyethylene glycol, water and leveling agent.The primer and topcoat are wet sprayed and then preheated at 100-180 DEG C and sintered at 250-350 DEG C to form a composite coating.The present application blocks diffusion by regulating and controlling film vacancy defects, and the coating has a contact angle > 90 DEG, a wear resistance > 5000 times, a weight gain ≤ 0.0141 mg / cm2 after 600 DEG C oxidation for 30 h, and excellent high-temperature oxidation resistance.

The application discloses the technical field of high polymer synthesis and functional material modification, and relates to a preparation method of low-molecular-weight polyacrylamide. The method comprises the following steps: firstly, preparing a double-metal doped multi-level pore carbon nanotube-covalent organic framework composite modification material, and the preparation process comprises the following steps: surface functionalization of multi-walled carbon nanotubes, growth of a covalent organic framework layer, doping of double-metal ions, and subsequent reduction and calcination treatment; then, adding deionized water, acrylamide and the modification material into a three-necked flask, stirring under nitrogen to dissolve the acrylamide, preparing an oxidation-reduction initiator solution, and dropping the initiator solution into the system under the protection of nitrogen, and polymerization reaction is carried out in a constant-temperature water bath at 19-21 DEG C. After the polymerization is completed, the product system is washed, filtered, and finally, low-molecular-weight polyacrylamide is obtained by using a vacuum freeze-drying method. The polyacrylamide prepared by the method has low and controllable molecular weight, and has good solubility and salt resistance.

The present invention provides a low-sugar dark chocolate ice cream and a preparation method thereof, and belongs to the field of food technology. The low-sugar dark chocolate ice cream of the present invention comprises the following raw materials by weight: 60-90 parts of milk, 2-10 parts of milk powder, 5-10 parts of cream, 10-20 parts of dark chocolate, 10-30 parts of resistant dextrin, 0.1-0.5 parts of spiny bean gum, 0.1-0.5 parts of emulsifier, 5-10 parts of vegetable oil and 1-3 parts of sweetener. The low-sugar dark chocolate ice cream prepared by the present invention has the physical and chemical characteristics of low sugar, delicate taste, storage resistance, etc., has no other raw materials that are unfavorable to the body, is beneficial to the health of the body, and provides a large amount of dietary fiber to the human body, which can effectively regulate the intestinal flora and improve the intestinal function.

The application provides an IdeS application for preparing a product for coping with skin photoaging, the product including preparation of a skin care product and a medicine for preventing and / or treating skin photoaging, a dosage form of the medicine including an ointment, and the skin care product is applied to assist in preventing and treating skin photoaging. The IdeS treatment can significantly improve a large number of erythema, wrinkles, desquamation, inflammation and keratin layer thickening and other performances presented by the skin of a photoaging model mouse, has been developed as a new type of biological treatment medicine, has strong pharmacological effect, small side effect, and can avoid causing an allergic reaction, and therefore provides a basis for clinically treating skin photoaging and photo-damage.

The application belongs to the technical field of oil and gas stimulation, and provides a polycarboxyl amino modified degradable scale inhibition and salt resistance thickening agent and a preparation method thereof.The polycarboxyl amino modified degradable scale inhibition and salt resistance thickening agent is prepared from raw materials including 8-15% of a degradable main chain skeleton, 2-6% of a polycarboxyl amino compound, 3-5% of a long-chain alkyl unsaturated silane, 10-18% of a thickening monomer, 8-15% of a salt resistance functional monomer containing a sulfonic acid group, 0.1-0.4% of an initiator, and the balance of water, according to mass percentage.The degradable main chain skeleton is polyepoxysuccinic acid or polysuccinimide; and the polycarboxyl amino compound is N,N'-ethylenediamine disuccinic acid, N-(2-aminoethyl)-N-(carboxymethyl)-glycine or iminodiacetic acid.The thickening agent integrates the functions of degradability, scale inhibition, thickening and salt resistance, and can be directly used for preparing a solution with complex water quality such as high salinity flowback liquid.

The present application belongs to the field of biomedical and cosmetic technology, and particularly relates to the application of protein AMBP in the preparation of a preparation for promoting the activity of hair follicle cells or for preventing and treating alopecia. The present application first discovers that the protein AMBP has the activity of regulating the hair follicle hair papilla cells, hair matrix cells and outer root sheath cells, can promote the proliferation of the hair papilla cells, the hair matrix cells and the outer root sheath cells, and improve the ability of the outer root sheath cells to remove active oxygen; also has the effects of promoting the hair follicle cycle transition, promoting hair growth and hair thickening. Therefore, the protein AMBP can be applied to the preparation of a preparation for treating alopecia.

The invention relates to the technical field of traditional Chinese medicine preparations, and particularly discloses a traditional Chinese medicine composition for treating diabetic nephropathy and application thereof. The traditional Chinese medicine composition is prepared from the following ten medicinal materials according to a specific ratio: radix rehmanniae recen, astragalus membranaceus, golden cypress, coptis chinensis, gastrodia elata, cicada slough, salvia miltiorrhiza, chinaroot greenbrier, rosa laevigata michx and motherwort. Systematic animal experiments and clinical researches prove that the Zuogui blood-glucose-reducing kidney-pleasing formula can effectively reduce fasting blood-glucose of diabetic nephropathy model mice, improve lipid metabolism disorder, remarkably reduce the levels of urea nitrogen, creatinine and uric acid and the ratio of urine protein to creatinine, and can be used for treating diabetic nephropathy by inhibiting expression of fibrosis-related factors such as TGF-beta and alpha-SMA. The renal fibrosis process is delayed. Compared with the prior art, the pharmaceutical composition provided by the invention has remarkable advantages in the aspects of improving renal functions, inhibiting renal tissue fibrosis and delaying the development of diabetic nephropathy.

The invention relates to the technical field of preparation of electronic ceramic components, in particular to a whole-series lead-free barium titanate thermistor with the Curie point of 60-125 DEG C and a preparation method of the whole-series lead-free barium titanate thermistor. The whole-series lead-free barium titanate thermistor is prepared from the following raw materials in parts by mole: 0.99 part of a frit material, 0.01 part of sodium bismuth titanate and 0.001-0.008 part of lithium carbonate, the frit material is prepared from the following components in parts by mole: 0.669 to 0.868 part of barium carbonate, 0.10 to 0.181 part of calcium carbonate, 0.011 to 0.153 part of strontium carbonate, 0.0023 to 0.0032 part of yttrium oxide, 0.002 to 0.01 part of aluminum oxide, 0.0005 to 0.0012 part of manganous nitrate, 0.008 to 0.02 part of silicon dioxide and 0.992 to 1.3 part of titanium dioxide. According to the invention, BNT and strontium titanate are added at the A site at the same time, and lead titanate is replaced by BNT, so that the lead-free whole series of thermistors at the temperature of 60-125 DEG C is realized.

The utility model relates to the technical field of prefabricated laminated slabs, in particular to a prefabricated laminated slab reinforcing device which comprises a steel bar, a bent steel bar is fixedly installed on the upper side face of the steel bar, a screw is fixedly installed on the lower side face of the steel bar, and a pressing batten is installed on the screw in a threaded and sleeved mode. According to the reinforcing device, the sides of the erected prefabricated laminated slab are connected and fixed, the stability is enhanced, meanwhile, reinforcing steel bars can be tied, the prefabricated laminated slab can be thickened conveniently, a bottom supporting plate used for pouring can be fixed, the bottom sealing effect during concrete pouring is achieved, the steel bars, the bent steel bars and the screws do not need to be disassembled, and the construction cost is reduced. The concrete slab is directly a part of a thickened concrete slab and is convenient to use.