48results about How to "Increase the number of spawns" patented technology

The present invention is granular electrode catalyst stuffing for 3D electrode reactor and its preparation process. The electrode catalyst stuffing consists of modified active carbon 60-70 wt% and film coating active carbon 40-30 wt%. The modified active carbon is prepared with active carbon through acid or alkali modification, oxidizing modification and metal supporting modification; and the film coating active carbon is prepared with active carbon through acid or alkali modification and soaking in cellulose acetate solution. The 3D granular electrode stuffing is used in waste water treatment, and has the advantages of great adsorption capacity, fast reaction speed, stable treating effect, etc.

A surface discharge type air cleaning device comprises an insulating dielectric body formed in the shape of a sheet, a discharge electrode formed at the upper surface of the insulating dielectric body, and a ground electrode formed at the lower surface of the insulating dielectric body. The discharge electrode is formed of a closed pattern having a predetermined area on the upper surface of the insulating dielectric body, and the discharge electrode has at least one non-pattern part disposed in a part where the pattern is formed. The electrode is not formed at the non-pattern part. The pattern of the discharge electrode is formed in the depressed structure. Consequently, it is possible to lower onset voltage and input energy and to accomplish uniform and stable plasma formation, and therefore, the number of hydroxyl radicals and negative ions is increased while the amount of ozone is decreased.

The invention aims at providing an integrated device for conducting desulfurization and denitrification on marine diesel engine tail gas. The device comprises a plasma generator, a power supplying device, a high voltage electricity generator, a dry type dust collector, granulation equipment and ammonia supplying equipment, the plasma generator is provided with a tail gas inlet, a tail gas outlet and an ammonia inlet, an exhaust pipe of a marine diesel engine is connected with the tail gas inlet, the tail gas outlet is connected with the dry type dust collector, the dry type dust collector is connected with the granulation equipment and the atmosphere, the power supplying device is connected with the high voltage electricity generator, and the high voltage electricity generator is connected with the plasma generator. By means of the desulfurization and denitrification integrated device, the occupied land area is reduced, efficiency of a discharging power source is improved, the plasma generation area is increased, the acting time of tail gas and plasmas is prolonged, treatment efficiency is improved, and meanwhile the flow velocity and temperature of the tail gas are also controlled to a certain extent.

The invention discloses an anti-reflection coating of a crystalline silicon solar cell and a preparation method for the anti-reflection coating. The refraction index is increased from top to bottom at equal rate, wherein the minimum refraction index is 1.95, and the maximum refraction index is 2.45. The preparation method comprises the following steps of: bearing monocrystal or polycrystalline silicon by using graphite boat; depositing the coating through glow discharge under the condition that silane and ammonia gas are introduced; and annealing after the glow discharge is finished, wherein the silane flow continuously decreases with the glow time and the ammonia gas flow continuously increases with glow time. The anti-reflection coating of the crystalline silicon solar cell has better anti-reflection effect, the generation quantity of photon-generated carriers is increased, additional equipment or device is not needed, and the method is simple and easy to master, and has the characteristics of convenience for operation, repetition and reliability.

The present invention relates to uses of icariside II, particularly to uses of icariside II in preparation of products for prevention or treatment of reproduction dysfunction, prevention and/or treatment of abnormal semen quality, prevention and/or treatment of sterility caused by clinical oligospermia, asthenospermia, teratozoospermia or oligospermia-asthenospermia-teratozoospermia triad, or improvement of sperm amount and/or sperm motility.

The invention discloses a preparation method of metal coated cobaltosic oxide. The method provided by the invention comprises the steps of: increasing the concentration gradient of a cobalt solution added into a reaction kettle along with the extension of synthesis time, and simultaneously adjusting the solid-to-liquid ratio of slurry in the reaction kettle to synthesize dense cobalt hydroxide with the laser granularity D50 of 17-19 [mu]m by employing a wet method; and after the synthesis is finished, adding a metal solution and a precipitator solution into the reaction kettle in parallel flowto perform metal coating, and after the coating is finished, performing washing, drying and calcining for a synthesized product to obtain a metal-doped cobaltosic oxide product. The cobaltosic oxideproduct prepared by the method is uniform in doped element distribution and spherical or sphere-like in appearance.

The invention discloses a preparation method of rare earth element-doped cobaltosic oxide. The method comprises the following steps: rear earth element is added into a cobalt solution; with the extension of synthetic time, concentration gradient of the cobalt solution added to a reaction kettle increases or decreases; simultaneously, solid-to-liquid ratio of slurry in the reaction kettle is adjusted, and cobalt hydroxide with uniform doping is synthesized by a wet method; after the synthesis, the synthetic product is washed, dried and calcined to obtain a large granular or small granular rareearth element-doped cobaltosic oxide product.

The invention discloses a preparation method of cobaltosic oxide. The method comprises the following steps: with the extension of the synthesis time, concentration gradient of a cobalt solution addedinto a reaction vessel increases or decreases, and solid-liquid ratio of slurry in the reaction vessel is adjusted, and dense cobalt hydroxide is synthesized by a wet method; after the synthesis, thesynthesis product is washed, dried and calcined to obtain a cobaltosic oxide product. By the process, spherical or spheroidal large-grained cobaltosic oxide product with laser particle size D10 being12-15 microns, D50 being 17-19 microns, D90 being 22-25 microns, tap density being greater than or equal to 2.4 g/cm<3> and specific surface area being 1.0-3.0 m<2>/g or spherical or spheroidal small-grained cobaltosic oxide product with laser particle size D10 being 1-3 microns, D50 being 3-5 microns, D90 being 7-10 microns, tap density being greater than or equal to 2.5 g/cm<3> and specific surface area being 1.0-3.0 m<2>/g can be prepared.

The invention relates to an application of p-hydroxyphenylacetic acid in prevention and/or treatment of cardiovascular diseases. The invention finds for the first time that p-hydroxyphenylacetic acidhas a good treatment effect on vascular and cardiac injuries. For zebra fish interbody vascular (ISV) injury and subintestinal vein (SIV) growth conditions induced by a vascular endothelial cell growth factor receptor inhibitor (PTK787), p-hydroxyphenylacetic acid has a remarkable effect of promoting angiogenesis, and the generation number and the length of blood vessels can be obviously increased. The traditional Chinese medicine composition has a remarkable heart protection effect on heart failure of zebra fish induced by verapamil, arrhythmia induced by terfenadine and p-hydroxyphenylaceticacid, and can obviously reduce cardiac dilatation, relieve venous congestion and promote the heart rate to tend to be normal.

The invention relates to the technical field of three-dimensional image display, in particular to a small-spacing visual region guiding type three-dimensional display system and method. The small-spacing visual region guiding type three-dimensional display system comprises a display screen, a light splitting device, a guiding device, a control unit, a selectable switching device, a diaphragm array, a tracking feedback unit and an orthogonal gating control device, wherein the light splitting device is used for guiding emergent light of different groups of pixels on the display screen to be visible to different initial visual regions respectively; under the assistance of other system components, the arranged guiding device deflects different pixel subsets of the pixel group corresponding to each initial visual region to emit light to each corresponding guiding visual region in the different guiding visual region set; and guide visual region sets are used for covering different eyes of an observer, and the distance between every two adjacent guide visual region sets is not larger than the pupil diameter of the observer. According to the small-spacing visual region guiding type three-dimensional display system and the method, through monocular multi-view presentation, focusing-convergence conflicts can be overcome, three-dimensional display capable of achieving natural focusing is achieved, and the three-dimensional visual comfort degree is improved.

The invention relates to the technical field of preparation of pigments, and provides a preparation method of iron oxide yellow. The preparation method of iron oxide yellow comprises the following steps: adding a first part of a ferric salt solution and a first part of an alkaline precipitant into a reaction container, and performing heating; continuously adding a second part of the alkaline precipitant into the reaction container, and stopping the addition of the second part of the alkaline precipitant when the pH value reaches 1-2 in order to prepare iron oxide yellow seeds; and preparing the iron oxide yellow from the yellow iron oxide seeds. The method has a high preparation efficiency. The iron oxide yellow is prepared by the preparation method. A preparation method of iron oxide redcomprises the following steps: preparing the iron oxide yellow through the preparation method of the iron oxide yellow; and calcining the iron oxide yellow. The preparation method of the iron oxide red has the advantages of high efficiency and low cost, and the obtained iron oxide red product has the advantages of approximate elliptic primary particle size, uniform particle size distribution and high tinting strength. The iron oxide red is prepared by the preparation method of the iron oxide red, and has a good quality.

The invention relates to application of marine-derived phospholipid on an aspect of accelerating angiogenesis, and belongs to the technical field of biological medicines. Marine phospholipid is applied to a zebra fish model so as to evaluate an influence of the marine phospholipid on zebra fish body intersegmental vessel (ISVs) injuries induced by vascular endothelial cell growth factor receptor inhibitor (PTK787) and a zebra fish subintestinal vein vessel (SIVs) growth situation. The invention discovers for the first time that the marine-derived phospholipid can reverse the zebra fish ISVs injuries induced by the PTK787, has an obvious acceleration function for zebra fish SIVs growth, can obviously increase the generation amount and the blood vessel length of blood vessels, and has a small toxic or side effect. The marine-derived phospholipid can provide a candidate for preparing medicines used for treating ischemic diseases, and has a good application prospect.

The invention provides a preparation method of Australian water lily dormant tubers, and belongs to the technical field of Australian water lily breeding, the preparation method comprises the following steps: 1) transplanting Australian water lily seedlings into a container filled with a matrix, fixing the container in water for first-stage culture, the water level being 4-6 cm higher than the Australian water lily seedlings; wherein the temperature is 30-36 DEG C, and the final culture water level is 40 cm higher than the planting pot; 2) adjusting the water level to be 8-12cm higher than theplanting pot, and carrying out second-stage culture at 23-27 DEG C; 3) adjusting the water level to be 4-6cm higher than the planting pot, and carrying out third-stage culture at the temperature of 16-23 DEG C; 4) after the third-stage culture, not keeping the water level any more, allowing water to naturally evaporate till leaves wither, and collecting dormant tubers. By means of the method, theAustralian water lily can be effectively promoted to rapidly form the dormant tubers, seedling breeding of the Australian water lily is promoted, and application and popularization are conducted.

The invention discloses a preparation method of magnesium-doped cobaltosic oxide. The method comprises the following steps: magnesium is added into a cobalt solution; with the extension of synthesis time, concentration gradient of the cobalt solution added to a reaction kettle increases; simultaneously, solid-to-liquid ratio of slurry in the reaction kettle is adjusted, and dense magnesium-doped cobalt hydroxide is synthesized by a wet method; after the synthesis, the synthetic product is washed, dried and calcined to obtain a magnesium-doped cobaltosic oxide product. The product obtained by the method has uniform doping distribution of magnesium, high tap density, large specific surface area and a spherical or spheroidal shape.

The invention provides a screening method of high-quality morchella conica strains, which comprises screening of strain individual size, pileus morphology and color, stipe morphology and color, spore color and quantity four-level step-by-step elimination and sclerotion generative capability. The strains which are not eliminated are inoculated into a PDA culture medium to be subjected to screening of mycelial growth speed, sclerotium generating time and sclerotium generating quantity, so as to obtain the high-quality morchella conica strains. After being planted, the high-quality strains obtained by using the method are rapid in growth speed and are harvested after fruiting for 7-10 days, the generated morchella conica strains are large in individual size, perfect in appearance, the yield of fresh strains can reach more than 80kg/mu and is stable. The difference of the yields of the high-quality strains screened by using the method is maximally less than 5% in continuous three years, so as to solve the technical problem that the yield of current morchella conica is unstable in industrialized development.

The invention discloses a low-shrinkage low-creep concrete composite additive suitable for early-age prestress tensioning. The composite additive is composed of anhydrous calcium sulfoaluminate clinker, calcium sulfate, silica fume, lithium carbonate, a styrene polymer, triisopropanolamine, an anti-settling agent and the like, is used in concrete taking ordinary Portland cement as a cementing material, and provides ettringite crystals through hydration reaction of anhydrous calcium sulfoaluminate and calcium sulfate. The forming speed of ettringite in a hydration product is increased by utilizing the seed crystal effect of silica fume and the early strength effect of lithium carbonate and triisopropanolamine, the purposes of micro-expansion, early strength, low shrinkage and low creep areachieved, meanwhile, the workability of concrete is improved through an anti-settling agent, and the later strength of silica fume is improved through a volcanic ash reaction; the concrete added withthe composite additive has the characteristics of early strength, micro-expansion and low creep, is suitable for concrete early-age prestress tensioning engineering, saves time and shortens the construction period.

The invention discloses a culture medium and a culture method for esophageal cancer tumor organoid culture. The culture medium for culturing the esophageal cancer tumor organoid comprises a basic culture medium and specific addition factors, and is characterized in that the specific addition factors comprise RKI-1447 with the use concentration of 10 to 100 [mu] mol/L and Zeaxanthin dipalmitate with the use concentration of 1 to 6 mmol/L. The invention further discloses a preparation method of the culture medium for culturing the esophageal cancer tumor organoid. The RKI-1447 is added into the esophageal cancer primary organoid culture solution, serves as a ROCK specific inhibitor and can inhibit apoptosis of separated esophageal cancer primary organoids, and the culture success rate and the growth rate of the esophageal cancer organoids are increased. The Zeaxanthin dipalmitate is added into the culture medium to serve as cell membrane surface fat connexin, so that information exchange between organoid cell membranes is promoted, the stability of a microenvironment in the culture process is maintained, cell nutrition metabolism is participated, and the number and motility rate of esophageal cancer organoid are increased. The RKI-1447 and the Zeaxanthin dipalmitate have a synergistic effect with each other, so that the generation quantity and the motility rate of the organoid can be remarkably improved.

The invention relates to the technical field of Chinese fir planting, in particular to a Chinese fir stem tip tissue culture reproduction method. The method comprises the following steps: dipping stem tips in silver iodide aqueous solution for performing ultrasonic sterilization, adding the stem tips into a sand bed at humidity regulated by berberine sulfate solution so as to induce to form callus, spraying basic fibroblast growth factor solution to induce germination under red light, and dipping in rooting induction liquid obtained by mixing a disodium hydrogen phosphate dihydrate solution and a zinc chloride solution according to a ratio of 3:1 for inducing rooting. According to the method disclosed by the invention, the Chinese fir stem tips serve as an explant for performing induction culture on Chinese fir seedlings, the induction cost is low, the induction method is simple, and large-scale batch induction can be realized, so that seedlings with roots and buds can be rapidly formed from the stem tips.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a preparation method of small-particle-size high-doping-amount niobium-tungsten-tantalum-cobaltosic oxide for preparing high-voltage lithium cobaltate. The preparation process comprises the steps of: liquid preparation, niobium-tungsten-tantalum crystal nucleus preparation, synthesis reaction, aging, filtration, washing, drying and calcination. According to the method, the high-concentration cobalt solution is used in the synthesis starting stage, the concentration of the synthesized cobalt solution is reduced along with the increase of the synthesis time, the generation number of cobalt hydroxide crystal nuclei in the synthesis reaction starting stage is increased, the growth speed of cobalt hydroxide is favorably inhibited, and the cobalt hydroxide with compact crystals can be prepared.