60results about How to "Improve Morphological Structure" patented technology

The invention discloses pure-titanium metal surface micro-arc oxidation treatment electrolyte and an antimicrobial bioactive coating preparation method thereof, belongs to a medical titanium metal surface modification technology, and aims to provide a micro-arc oxidation treatment electrolyte which can remarkably improve pure-titanium metal surface bioactivity and coating bonding strength and a coating preparation method thereof. The electrolyte comprises a compound system including the components of calcium acetate, sodium phosphate and a zinc oxide precursor, wherein the phosphorous ion concentration is 0.5 to 1.0 M, the molar ratio of Ca to P is 0.2 to 1.0, and the designed Zn<2+> concentration accounts for 10 to 20 percent of the total concentration. A biological composite coating is directly generated on the surface of a titanium metal surface in-situ by adopting the electrolyte and a micro-arc oxidation technology. The coating has high bonding strength with a substrate, dense inner layer, coarse and porous outer layer, high bioactivity and high antibacterial property; moreover, the used raw materials are easy to obtain; the process is simple and easy to operate; and the electrolyte has stability, reusability, and low production cost and is suitable for industrial production.

The invention discloses an energy-saving enhanced defibrination method for composite pretreatment and production of viscous paper pulp. The method comprises the following steps that (1) paper pulp fibers are dissolved in water, even defibering is carried out, and then pretreatment is carried out; (2) biological enzymes are added to the treated paper pulp for treatment, the dosage of the biological enzymes ranges from 10 IU/g to 60 IU/g, the temperature ranges from 40 degrees to 60 degrees, the pH value ranges from 6 to 9, the concentration of the paper pulp ranges from 3 wt% to 8 wt%, and treatment is carried out for 10 min to 30 min; (3) continuous millstone milling and beating are carried out on the pulp of the step (2), and the pulp is stored for standby application. The method remarkably improves the efficiency of subsequent biological enzyme treatment, and overcomes the defects that enzyme treatment time is too long in biological enzyme assistant defibrination production and energy conservation in defibrination and the physical strength of finished paper formed by fibers cannot be achieved at the same time, the defibrination energy consumption and the defibrination time for producing the viscous paper pulp are saved, the defibrination energy consumption of chemical bleached needle wood pulp and chemithermomechanical pulp of needle wood is reduced by 15%-45%, and the physical properties of finished paper formed by pulp fibers can be improved.

The invention discloses a blow-molding-grade TPV (thermoplastic vulcanizate) material for dust shields. The blow-molding-grade TPV material for dust shields is prepared from the following raw materials in parts by weight: 40-60 parts of EPDM (ethylene-propylene-diene monomer), 10-30 parts of polypropylene, 5-10 parts of linear low density polyethylene, 5-15 parts of ethylene-octylene copolymer, 5-15 parts of compatibilizer, 5-10 parts of flow modifier, 20-30 parts of plasticizer, 1-3 parts of vulcanizing agent, 1-3 parts of antioxidant, 1-3 parts of light stabilizer, 1-3 parts of internal lubricant and 1-3 parts of processing aid. The TPV material has the advantages of favorable melt strength, excellent blow molding processability, favorable mechanical properties, excellent processability and favorable appearance.

The invention relates to application of an ultra-small cerium oxide nanocrystal modified by phospholipid and polyethylene glycol, in particular to application of the ultra-small cerium oxide nanocrystal modified by the phospholipid and the polyethylene glycol in preparation of drugs for resisting acute liver injuries caused by acetaminophen. The ultra-small cerium oxide nanocrystal modified by thephospholipid and the polyethylene glycol can have various anti-oxidation mimic enzyme activities, and can effectively reduce the ultrahigh ROS level in the body, relieve inflammatory reactions and treat the acute liver injuries caused by APAP (N-acetyl-p-aminophenol).

The invention relates to the technical field of thermal insulation materials for aerospace, and provides a composite aerogel thermal insulation material as well as a preparation method and applicationthereof. The preparation method comprises the following steps: mixing SiO2 aerogel and Al2O3 aerogel, grinding, mixing the mixed powder with water, and carrying out thermocuring in a mold to obtain acomposite aerogel thermal insulation material, wherein the SiO2 aerogel and the Al2O3 aerogel are prepared by adopting an improved sol-gel method. By doping the Al2O3 aerogel with the SiO2 aerogel, contact points among Al2O3 aerogel particles are reduced, and surface/body diffusion is inhibited, so that high-temperature sintering and alpha conversion of Al2O3 are inhibited, and the purpose of improving the high-temperature resistance and the heat insulation performance of Al2O3 is achieved. When the composite aerogel thermal insulation material is used for thermal insulation, the external temperature of the thermal insulation material is lower than 200 DEG C under the conditions that the internal temperature is 1200 DEG C and the thickness of the thermal insulation material is 1 cm, and the aviation thermal insulation requirement can be met.

The invention discloses a feed additive capable of improving an intestinal function of grass carps and application of the feed additive. An effective component of the additive is glycylglutamine; and the adding amount in grass carp feed is 0.25-0.75%. With the adoption of the additive disclosed by the invention, the growth and fat metabolism of the grass carps can be effectively facilitated, and the oxidation resistance of the grass carps is improved; a shape structure of small intestines of the grass carps can be improved; villus height, crypt depth, mucous membrane thickness, the quantity of goblet cells and the quantity of lymphocytes of the intestines are increased; and the secretion of an intestinal digestive enzyme can be accelerated, and the feed additive has active improvement effect on the intestinal function of the grass carps.

The embodiment of the invention provides a cylindrical lithium ion battery which comprises a positive pole piece, a negative pole piece, electrolyte, a membrane and a metal shell, wherein the positive pole piece is prepared from a lithium cobalt oxide (LiCoO2) material, and a certain amount of indium compound is doped into the LiCoO2 material. The indium-doped lithium cobalt oxide contains 0.005-6 percent of the indium element by mass. After the lithium cobalt oxide material is doped with the indium element, the conductivity of the lithium cobalt oxide (LiCoO2) material is improved, so that the inner resistance is reduced, and the capacity is increased; compared with the electric capacity of the conventional cylindrical lithium ion battery, the electric capacity of the cylindrical lithium ion battery disclosed by the invention can be increased by 10-20 percent, and the safety of the battery is greatly improved.

The invention discloses application of a phospholipid polyethylene glycol modified subminiature cerium oxide nano-enzyme in preparation of a medicine for treating acute kidney injury. The acute kidneyinjury is induced by cis-platinum when cis-platinum is used for treating solid cancer. The phospholipid polyethylene glycol modified subminiature cerium oxide nano-enzyme provided by the invention can present activities of various antioxidant mimic enzymes, can play an efficient catalase activity in a physiological environment, effectively reduces the ROS level by acting on an Nrf2/Keap1 pathway,inhibits cell apoptosis, exerts important protection and treatment effects on acute kidney injury caused by cis-platinum, and is a more promising nanomaterial for low-toxicity anti-tumor applicationand development cis-platinum in clinical practice.

The invention discloses an InDel marker remarkably related to the soybean plant branching number and application of the marker, and relates to the technical field of genetic breeding. PCR amplification is conducted on soybean genome DNA with the sequences of SEQ ID NO.2, SEQ ID NO.3, SEQ ID NO.4 and SEQ ID NO.5 as the primers, amplification products are judged, if the amplification products only include one main band, accordingly there is nothing wrong with to-be-detected soybean DNA and the plant branching number is large, and if the amplification products include two main bands, accordinglythere is nothing wrong with the to-be-detected soybean DNA and the plant branching number is small. By means of the method, the species with the large/small soybean plant branching number can be effectively and rapidly screened out, the first step of screening out the excellent soybean plant material is realized, and the method foundation is provided for deeply carrying out the gene function research and soybean branching number molecular improvement.

The invention provides a creep feed capable of increasing the health level of weak piglets. The creep feed is taken as a synthetic milk of the weak piglets so as to provide rapidly-absorbed nutrients the weak piglets, so that the immunity of the piglets is enhanced, the intestine development of the piglets is promoted, the protein level of the piglets is reduced, the diarrhea is avoided, the burdens of intestines and stomach are reduced, and the growth performance and health level of the weak piglets are obviously improved.

The invention discloses a quinoa saponin and wild chrysanthemum flower composition as well as a preparation method and application thereof, and relates to the technical field of medicines and foods. The quinoa saponin and wild chrysanthemum flower composition comprises the following components in parts by weight: 69.82-70.02 parts of a quinoa total saponin extract and 29.08-30.18 parts of a wild chrysanthemum flower extract, and 10% of pregelatinized starch is supplemented. The preparation method comprises the steps of raw material drying, saponin extraction, wild chrysanthemum flower extraction, organic extraction, purification, elution, rotary evaporation concentration, vacuum drying and particle preparation. Prepared quinoa saponin and wild chrysanthemum flower composition particles have good application prospects in the aspect of intestinal disease prevention and treatment. Quinoa bran is extracted and processed, ultrasonic-assisted ionic liquid is used for extracting quinoa saponin from the quinoa bran, reutilization of the quinoa bran is achieved, the extraction time is shortened, the quinoa saponin extract and the wild chrysanthemum flower extract are combined to be made into the medicinal granules, colibacillosis can be effectively prevented and treated, and the composition has good economic benefits and practical significance.

The invention discloses a nutrient active substance regulating agent for protecting permeability of rumen epithelium of ruminants. The regulating agent is specifically prepared from the following components: beta-carotene, carbon monoxide release molecules 2, a compound bacterium culture and microcrystalline cellulose. The compound bacteria culture is a mixture containing a small amount of viablebacteria cells and a large amount of cell metabolites, and nutritional active substances contained in the mixture comprise glucan, mannan, amino acid, polypeptide and organic acid. The microcrystalline cellulose is a low-fermentation daily ration fiber, and the main component of the microcrystalline cellulose is beta-1,4-glucosidic bond combined branched-chain polysaccharide. The regulating agentsolves the problem that: barrier functions of the rumen epithelium of the ruminants can be damaged under the condition of high grain daily ration feeding, and the permeability of the rumen epitheliumis increased.

The invention discloses an artificial cultivation method for chaenomeles speciosa in the North America. The method includes the steps of cultivation preparation, cultivation soil preparation, planting, natural light irradiation, LED light source irradiation, spraying of a potassium chloride solution and environmental control. The invention further discloses a cultivation device of the artificial cultivation method for chaenomeles speciosa in the North America. The device comprises a bottom rack, an irradiation bracket is installed at the upper end of the bottom rack in parallel through a supporting rack, multiple gears are movably arranged at the bottom end inside the irradiation bracket through rotating shafts, trays are arranged at the upper ends of the gears, a speed reducer is fixedlyconnected with the bottom end of the gear located on one side through a rotating shaft, and a driving shaft of the speed reducer is fixedly connected with a motor. The components of sandy soil and fertilizer in cultivation pots are reasonably distributed and therefore can create the optimal environment suitable for growth of chaenomeles speciosa in the North America; in cultivation, natural lightand an LED light source which is treated through light filtering are combined for treatment, and the growth, development, physiology, biochemistry and morphological structure of seedlings of chaenomeles speciosa in the North America can be greatly improved.