133results about How to "Improve growth ability" patented technology

The invention discloses a preparing method for repetitive-gradient porous titanium alloy for promoting sacralization. The repetitive-gradient porous titanium alloy takes titanium alloy powders as raw materials, and repetitive-gradient porous titanium alloy bar materials are prepared by 3D printing; elasticity modulus of the gradient porous titanium alloy is at 0.53-13.2 GPa, and the compression and flexion-extension strength is changed at 22-356 Mpa, and the elasticity modulus of the gradient porous titanium alloy is matched with the elasticity modulus of natural bones. The preparing method for the repetitive-gradient porous titanium alloy for promoting sacralization comprises the following steps that hydroxyapatite (HA) coating with bioactivity is constructed on the surface of the repetitive-gradient porous titanium alloy through a plasma spraying technique; and the growth factor (VEGF) is fixed to surfaces of materials by utilizing dopamine as an intermediate medium. The porous titanium alloy materials prepared through the preparing method is loaded with the growth factor and the HA and has the characteristics that histocompatibility is high, and migration and growth of osteocyte can be promoted; and according to the repetitive-gradient porous structure, the fusion strength of bones is increased, and pullout force is increased.

The invention discloses a nanometer reinforced seaweed culture medium capable of improving a red kiwi fruit transplantation survival rate. The nanometer reinforced seaweed culture medium comprises the following ingredients in parts by weight: 200-210 parts of seaweed, 50-52 parts of nanometer white carbon black, 8-9 parts of EM (Effective Microorganisms) flora fermentation broth, 23-25 parts of saccharose, 70-72 parts of pyroligneous liquor, 89-90 parts of sawdust, 75-76 parts of peanut shell, 67-68 parts of Chinese medicine residue, 5-6 parts of cellulose, 16-17 parts of EDTA (Ethylene Diamine Tetraacetic Acid) chelating zinc, 12-13 parts of EDTA chelating boron, 11-12 parts of Ageratina adenophora extractive and the like. The seaweed and the ultrafine sawdust, peanut shell and Chinese medicine residue are subjected to enzymolysis, fermentation and nanometer reinforcement to prepare a fruit tree transplantation medium, the energy of a transplanted fruit tree root system can be accelerated, the soil environment of the transplanted fruit tree root system is improved, meanwhile, the adopted Ageratina adenophora extractive and the like have good functions of accelerating repair and growth for the transplanted damaged fruit tree root system, and all the ingredients can be combined to perform the efficacies on improving the red kiwi fruit transplantation survival rate.

The invention discloses uses of a marine yeast, preservation No. of the marine yeast Rhodosporidimu paludigenum Fell & Tallman is IMI 394084, the marine yeast can be used in microorganism fuel cell for electricity generation directly. The invention discloses a microorganism fuel cell at the same time, including an open anode chamber (2) with an anode electrode (5) provided inside and an open cathode chamber (1) with a cathode electrode provided inside (4), a proton exchange membrane is provided between the anode chamber (2) and the cathode chamber (1), a liquid organic fuel containing bacteriasolution is provided in the anode chamber (2), and the bateria solution is obtained by fermenting the marine yeast of preservation No. 394084. The invention also discloses method of preparing the microorganism fuel cell at the same time. The microorganism fuel cell of the invention is provided with features of environment friendly.

The invention provides an enriching and screening method for tumor stem cell. The combination of ball culture and immunomagnetic beads separation method is used for enriching and screening the tumor stem cells, the details are as follows: continuously culturing the tumor cells in a no-serum ball culture medium, using the QPCR method to simultaneously examine the relative levels of tumor stem cell markers, when the expression levels of specific marker is relatively the highest, supplement with immunomagnetic and positive, single or double screening tumor stem cells. The combination of the two screening methods can significantly improve such practical problems as low separation rates, low purity levels and the inconveniences of after application for tumor stem cells.

The invention belongs to the field of food, in particular to the technical field of condiment preparation in the food industry, specifically to an aspergillus oryzae strain PCSM002 and application thereof. The aspergillus oryzae strain PCSM002 is named as Aspergillus oryzae with a preservation number of GDMCC No:60198. The aspergillus oryzae further produces protease highly, and further can be used for producing thick broad-bean sauce. The strain is strong in growth ability, is high in starter propagation speed and is strong in protease production ability. The strain can be adopted to quicklyprepare thick broad-beans at a high fermentation speed, is high in amino nitrogen content, is relatively superior in flavor, can improve the quality and the flavor of thick broad-bean sauces, and provides a scientific basis for improving industrial production of thick broad-bean sauces.

The invention relates to a production method of a stropharia rugosoannulata strain. The production method disclosed by the invention comprises the following steps of: 1) processing raw materials; 2) blending the materials; 3) bottling; 4) performing high-pressure sterilization; 5) cooling and inoculating; and 6) culturing. The production method disclosed by the invention has the beneficial effects that the quality of the stropharia rugosoannulata strain can be improved, high-quality variety genes can be ensured, the strain is healthy, thick and strong in mycelia, the germination is fast, the growth ability is strong, the probability of mixed bacterium infection is reduced and the success rate of base production of stropharia rugosoannulata is improved by making the stropharia rugosoannulata strain through the steps above.

The invention relates to a multifunctional compound grouting material. The grouting material is prepared from, by weight, 2640-2760 parts of superfine cement, 50-80 parts of modified nanoscale calcium powder, 17-25 part of polycarboxylate superplasticizer, 60-120 parts of superfine steel slag fine powder, 75-120 parts of superfine high-calcium fly ash, 10-20 parts of superfine fluorine gypsum powder, 0.1-0.3 part of secondary nanoscale polymer and 1-3 parts of aluminum magnesium silicate, and the raw materials are evenly stirred to obtain the material. The multifunctional compound grouting material is reasonable in composition, low in production cost, good in working performance, easy to process, environmentally friendly, energy-saving, pollution-free, and wide in application range.

The invention provides application of a Bacillus cereus DS1 in degradation of organic pollutants in saponin waste water. The Bacillus cereus DS1 is collected at China Center for Type Culture Collection, and the collection number is CCTCC NO:M2010145. The Bacillus cereus DS1 has high growing capability and favorable capability of removing organic pollutants in saponin waste water in the presence of high-concentration sulfate ions. The strain can remove COD (chemical oxygen demand) in saponin waste water by 2550 mg / L within 72 hours, and the removal efficiency is up to 60.14%. The invention provides a useful bacterium source for the degradation of high-concentration organic pollutants in saponin waste water, and widens the functional application of Bacillus cereus, thereby having high application values.

The invention discloses a preparation method of a titanium alloy implant biological surface active coating. The method comprises the steps of placing the titanium alloy implant in the electrolyte, taking the titanium alloy implant as an anode and an electrolytic cell as a cathode, controlling the temperature of the electrolyte not to be larger than 40 DEG C, adopting a pulse power source for a micro-arc oxidation process, and forming a micro-arc oxidation coating with biological activity on the surface of the titanium alloy implant. According to the present invention, the porous titanium alloyimplant is prepared through a selective laser melting 3D printing technology, and a coating with biological activity is generated on the surface of the titanium alloy porous implant in situ, so thatthe protein adsorption, cell adsorption and cell proliferation capabilities of the surface of the customized porous implant are remarkably enhanced, and the new bone ingrowth capability of the titanium alloy porous implant after an implantation operation is improved.

The invention discloses a surface treatment method of silicon-doped calcium phosphate ceramics. The surface treatment method is to perform surface hydro-thermal treatment to the silicon-doped calcium phosphate ceramics and comprises the steps of: placing the silicon-doped calcium phosphate ceramics into a sterilization boiler, treating for 0.5-2h at a temperature of 100-180 DEG C, washing by deionized water, drying and thus obtaining the silicon-doped calcium phosphate ceramics with hydroxylapatite crystal whiskers grown on the surface. The surface treatment method provided by the invention is simple in process, and can obtain the hydroxylapatite crystal whiskers which are controllable in size and have the diameters in micron level to nanometer level.

The invention discloses Stenotrophomonas maltophilia DS4. The Stenotrophomonas maltophilia DS4 is preserved in China Center for Type Culture Collection, and the preservation number is CCTCC NO:M2010147. The Stenotrophomonas maltophilia DS4 has a strong growing ability and a good ability of removing organic pollutants from saponin wastewater in high-concentration sulfate ion environments; and the strain can remove chemical oxygen demand (COD) at the concentration of 2,930mg / L from the saponin wastewater within 72 hours, and the removal efficiency reaches 62.34 percent. The invention provides auseful bacterial source for degrading high-concentration organic pollutants in the saponin wastewater, broadens the application of functions of Stenotrophomonas maltophilia, and has relatively high application value.

The invention discloses a silage fermentation accelerator. The accelerator is prepared by mixing pediococcus pentosaceus bacterial liquid having an effective viable count of more than or equal to 10<11>CFU / mL and bacillus subtilis bacterial liquid having an effective viable count of more than or equal to 10<10> CFU / mL in a volume ratio of (1-2):(1-1.5). The silage fermentation accelerator is applied to corn straw coating, bundling and silage fermentation, a method of spraying and adding bacterial liquid is adopted, and the dosage of the bacterial liquid is 4L / ton. According to the method, corn straws are rubbed by utilizing a straw rubbing machine, are spread and aired until corn straws contain proper moisture, are sprayed with the silage bacterial liquid, are uniformly mixed, are coated and bundled by means of a coating machine, are fermented for about 30 days and are unpacked for use. The production method is simple and feasible, and has the advantages of high efficiency, strong practicality and high economic value.