71results about How to "Reasonable density" patented technology

The invention relates to power generation and energy storage and recovery. In particular, the invention relates to compressed gas energy storage and recovery systems using staged pneumatic conversion systems for providing narrow pressure ranges to a hydraulic motor.

Embodiments of the invention generally provide for flow battery cells and systems containing a plurality of flow battery cells, and methods for improving metal plating within the flow battery cell, such as by flowing and exposing the catholyte to various types of cathodes. In one embodiment, a flow battery cell is provided which includes a cathodic half cell and an anodic half cell separated by an electrolyte membrane, wherein the cathodic half cell contains a plurality of cathodic wires extending perpendicular or substantially perpendicular to and within the catholyte pathway and in contact with the catholyte, and each of the cathodic wires extends parallel or substantially parallel to each other. In some examples, the plurality of cathodic wires may have at least two arrays of cathodic wires, each array contains at least one row of cathodic wires, and each row extends along the catholyte pathway.

The present invention discloses a large hollow container blow molding material, which comprises the following raw materials, by weight, 99.9-100.0 parts of an ethylene hexene copolymerization polyethylene base resin, 0.05-0.10 part of an antioxidant, 0.07-0.12 part of a co-antioxidant, and 0.03-0.05 part of a slip agent. The present invention further discloses a preparation method for the large hollow container blow molding material. The large hollow container blow molding material has characteristics of low fusion index, large molecule weight, high strength, and the like, and is suitable for blowing of large size containers, wherein the product has prominent rigidity and toughness balancing capacity, creep resistance, excellent ESCR and good chemical resistance.

The invention relates to a high-size special-shape carbon-based composite material member and a preparing method thereof. The member includes, by mass, 20-35% of carbon fibers, 35-75% of pyrolytic carbon and 5-15% of SiC. The preparing method includes needling the continuous carbon fibers into a prefabricated blank the density of which is 0.4-0.55 g / cm<3> according to a required shape of the member; then fixing the inner and outer surfaces of the prefabricated blank by adopting a graphite mold; and then performing high-temperature thermal treatment, a first time of carbon deposition, demolding, coarse machining, a second time of carbon deposition, graphite processing, silicon vapor bathing and finish machining in order to obtain a finished product. According to the member and the method, a problem that high-size special-shape carbon-based composite material members are liable to deform in long-time standing processes and preparing processes is overcome, and the obtained product has advantages of good mechanical performance, a low thermal expansion coefficient, high thermal conductivity, good chemical stability, and the like, is suitable for industrial production, and can be applied in the field of aviation and aerospace, the field of communication and transportation, the field of biomedicine, and the like.

The invention discloses a high performance dustproof fabric, which is characterized in that the fabric consists of non-dust generating polyester long staple and non-dust generating electrically conductive fiber, wherein, the electrically conductive fiber is distributed inside the fabric in the shape of strips or lattices; the tightness of the fabric is between 2,000 and 4,000. The dustproof fabric has excellent dustproof performance, better antistatic property and air permeability and simplifies the manufacture process of the prior dustproof fabric; moreover, the dustproof fabric which is light, air permeable, comfortable during wearing and convenient for a wearer to work flexibly can be used as dustproof garment fabrics used in industries such as semiconductor, foodstuff and medicine.

The present invention disclosed an algorithm of Cu interconnect dummy inserting, including: divide the surface of semiconductor chip into several square windows with an area of A, each of which is non-overlap; perform a logic operation on each square window; and divide the window into two parts: ① the area to-be-inserted; ② the non-inserting area; determine the metal density of the dummy pattern that should be inserted to each square window and the line width; determine the dummy pattern that should be inserted to the windows according to the metal density, line width, the pre-set dummy pattern and the layouting rules. The beneficial effects of the present invention is: avoided the shortcomings of fill density maximization in the rule-based filling method by using reasonable metal density and line width. And with a combination of the influence of line width and density to the copper plating process and chemical mechanical polishing morphology in model-based filling method, it can achieve a better planarization effect.

The invention provides a temporary plugging and energizing treatment method for heavy oil steam-stimulated wells. The method includes: delivering solid temporary material, which is made by well mixing resin spheres and ammonium bicarbonate and pressing, to the position 1-2m below an oil layer; squeezing mud acid prepared with 7-12% hydrochloric acid and 3-6% hydrofluoric acid into an insulation tube; after squeezing, stoping a pump for 0.5-1 hour; starting the pump to squeeze displacement liquid or energizing chemical aid; directly performing steam injection. The temporary plugging and energizing treatment method for heavy oil steam-stimulated wells is highly purposeful, construction is simple, multiple effects are integrated, the cost is low, and energizing effect is significant.

The invention discloses an ecological landscape improving method of land difficult in afforestation. The method is used for ecological landscape improving and transforming by means of the technical measures like tree variety selection, planting mode selection, soil preparation and planting, cultivation, management and protection and the like. According to the ecological landscape design requirement of the land difficult in afforestation, a series of scientific and reasonable manual technical operation are conducted. By means of the technical measures, the ecological landscape of the land difficult in afforestation can be obviously improved, the soil fertility of the land difficult in afforestation can also be improved, and the aims that the forest density is reasonable, the community is stable, biodiversity is rich and forest landscape quality and ecological benefits are both taken into consideration are achieved.

The invention relates to the technical field of myrica rubra planting, in particular to a myrica rubra dongkui planting method. The myrica rubra dongkui planting method is characterized by comprising the following steps of planting, wherein planting and fertilization are carried out from the last ten days of February to the middle ten days of March, and 38-42 strains are planted per mu; application of special fertilizer, wherein the special fertilizer of 200-300 g is applied for saplings once between September and October, the special fertilizer is applied once in June of the next year and January of the third year, and the special fertilizer is applied three times in the whole year from the fourth year after fruitage; pruning, wherein the position 60-70 cm high of a trunk is cut back after planting, three to four buds which are distributed evenly are selected as main branches, the interval between the main branches is kept 15-20 cm, the opening angle is 45-60 degrees, the crown is pressed, and the crown keeps from 2.8 meters to 3.2 meters; pest control and prevention. The density is reasonable, management and fertilization are reasonable, the fertilizer nutrients are comprehensive, the capacity of providing the fertilizer is high, the soil property can be improved, and therefore the myrica rubra dongkui is high in stress resistance and yield.

The invention discloses an alkaline type texturing process of monocrystalline silicon wafer, which is used for solving the problems that secondary reflection cannot be completely formed very well and good contact with conductive slurry is difficult to form due to uneven diffusion as size and arrangement of a textured surface obtained by the alkaline type texturing process in the prior art are random. The alkaline type texturing process mainly comprises the following steps: (a) removing an affected layer; (b) preparing a mask; (c) windowing the mask; (d) texturing on a surface; and (e) removing the mask. The alkaline type texturing process disclosed by the invention is simple in step, suitable for industrial production and low in cost; the obtained monocrystalline silicon wafer textured structure is an inverted pyramid structure with regular size and arrangement, so that secondary reflection can be completely formed very well; and meanwhile, diffusion is guaranteed to be uniform and coating of conductive slurry is facilitated, so that thickness of the conductive slurry is controlled easier, contact with the conductive slurry is good, metal sintering is facilitated, and contact resistance is reduced.

The invention provides a mesenchymal stem cell cryopreservation liquid, a cryopreservation method, a preservation kit and a thawing method, and relates to the technical field of cell biology. The mesenchymal stem cell cryopreservation liquid comprises the following components with the following working concentrations: 25-35 ml / 100ml of a mesenchymal stem cell culture supernatant; 4-6 ml / 100ml of glycerol, 4-6 ml / 100ml of polyvinylpyrrolidone, 0.5-1.5 g / 100ml of polyvinyl alcohol, 0.5-2.5 g / 100mL of trehalose, 1-2.5 g / 100mL of hydroxyapatite nanoparticles, 0.5-1.5 mg / 100mL of all-trans retinoicacid and 8-12 ml / 100ml of a serum substitute; the mesenchymal stem cell culture supernatant is prepared by the following method: culturing mesenchymal stem cells at the convergence degree of 78-82% for 22-26 hours, filtering, and retaining a filtrate, thereby obtaining the mesenchymal stem cell culture supernatant. The cryopreservation liquid can effectively reduce damage to cells in cryopreservation and resuscitation processes and improve the activity of the resuscitated cells.

The invention discloses a manufacturing method for a kind of square deflection magnetism core and the materials. 1) the Fe2O3, ZnO, Mn3O4, ...MgO, and additives CuO, Bi2O3 elements are blended, prebaked, and reacted with solid phase, the compound generates the ferrite phase after being prebaked; 2) the prebaked material are grinded into pulp with particle size less than phi1.8ª–m, then the additives are added in and carries on the atomization pelleting; 3) the particles are blended and pressed, formed in the automatic presser and special model; 4) uses the flat board or bake bearing base process to carry on oriented baking. The merits of the invention are: 1) it uses cheap materials ferric oxide, with current manufacturing device and special process, it decreases the cost greatly, the key technology parameter is upgraded; 2) PF design makes the magnetic flow area and the density distributed more reasonable, it upgrades the articulation and resolution of the screen; 3)( upgrades the deflection efficiency of negative transmitting pipe of the television receiver, reduces the idle work consumption of the electron beam deflection.

The invention relates to a method for reproducing adult ptyas korros. The breeding and management method comprises the following steps of 1, planting lotuses each having 3-4 interior leaves in an artificial pond according to a space of 15*18cm; 2, selecting adult ptyas korros having smooth skin in May-July, and putting the ptyas korros in a breeding house with a proportion of male to female being 1 to 2, wherein the volume of the breeding house is 6 times that of the adult ptyas korros in the breeding house; and fixing the breeding house in the artificial pond, wherein one breeding house is fixed in the artificial pond per square meter; 3, keeping the breeding house at a temperature of 23 DEG C and a humidity of 30 percent; and 4, throwing feed for three times everyday. The method for promoting reproduction of adult ptyas korros can be used for improving the reproduction capability and spawning quality of the ptyas korros.

The invention provides a fermentation method for high-content 12[alpha]-hydroxysteroid dehydrogenase fermentation liquor, and belongs to the technical field of biology and medicines. the fermentationmethod comprises the following steps of: inoculating a spare recombinant escherichia coli containing a 12[alpha]-hydroxysteroid dehydrogenase expression gene into a novel sterile fermentation medium as a strain according to an inoculation amount of 2-6% of volume fraction to be cultured; and after 2h, carrying out fed-batch by a fed-batch induced medium totally for 8h. By use of the fermentation method, in a process that the spare recombinant escherichia coli containing the 12[alpha]-hydroxysteroid dehydrogenase expression gene is taken as the strain to ferment and produce the 12[alpha]-hydroxysteroid dehydrogenase (12[alpha]-HSDH), a high-nutrition low-cost novel medium is used for replacing a traditional LB (lysogeny broth) medium, the fed-batch induced medium is adopted, the bacteria OD600 (optical density) of culture bacteria is 50-60, and meanwhile, the enzyme activity of the 12[alpha]-hydroxysteroid dehydrogenase is 700-900U / L.

A liquid spray foam remover applied to a rectifying tower comprises a rectifying tower shell. A gas outlet, a liquid spray synthesis gas inlet and a liquid outlet are formed in the top, the middle and the bottom of the rectifying tower shell respectively. A loose tube flange is arranged at the gas outlet. A hanging lug, a circulation material inlet and outlet assembly and a sight glass flushing opening assembly are arranged on the outer wall of the rectifying tower shell from top to bottom. A guide ring and a rotation flow foam removal assembly are arranged in the rectifying tower shell. The guide ring is arranged below the gas outlet and on the rotation flow foam removal assembly. The rotation flow foam removal assembly is arranged above the liquid spray synthesis gas inlet. A cone shell is fixed to the inner wall of the rectifying tower shell. A cover cylinder is fixedly arranged on the cone shell. A liquid collection groove is formed in the top of the cover cylinder. An overflow pipe is arranged along the cone shell and communicated with the liquid collection groove. A circular plate with a hole in the center serves as a blind plate which is arranged at the bottom of the cover cylinder. Rotational flow blades are evenly arranged in the cover cylinder and arranged above the blind plate.

The invention discloses a preparation method of a food or drink based on potato dietary fibers. The food or drink is prepared by taking potato residues produced by extracting potato starch as a supplyraw material for dietary fibers. The method comprises the following steps: uniformly and fully mixing the potato residues with water and / or potato juice produced by extracting potato starch to obtaina mixture A containing dietary fibers, heating the mixture A containing dietary fibers until cooked to obtain a paste, conducting flavoring and homogenization, then uniformly and fully mixing the homogenized paste with cooked other main materials and auxiliary materials needed for the food or drink to be prepared, and conducting disinfection encapsulation to obtain the food or drink containing potato dietary fiber components. According to the potato dietary fiber mixture based on paste form and provided by the invention, the method is a new mode for developing and utilizing potato dietary fibers, and the potato dietary fiber mixture has low cost and a good mouth feel, is convenient to process and digest, and is easy for glycolysis, absorption and utilization for human body, and the methodendows people with a convenient and simple mode and approach for acquiring dietary fibers.

The invention relates to processing on geophysical exploration and gravity prospecting data, and provides a gravitational middle layer density spectrum gaining method. The gravitational middle layer density spectrum gaining method comprises the following steps of acquiring absolute gravity values and coordinate elevations of various measuring points on a measuring line by using gravity; calculating abnormal variation between the bouguer gravity anomaly value of each of points with different densities and the bouguer gravity anomaly average value of a former point and a latter point which are adjacent to the point, and forming gravitational middle layer density spectrum gridding data; plotting from large to small by using different colors or from dark to light according to the gravitational middle layer density spectrum gridding data; and enabling the minimum value of the densities to be displayed obviously so as to obtain a gravitational middle layer density spectrum. The density value acquired in a region with the wavy terrain is consistent to the result obtained by using a density profile method; compared with the density profile method, the gravitational middle layer density spectrum gaining method has higher resolution capability, and can be used for identifying density values of a region with a certain area of exposed stratum; identification on the density value of a middle layer is visual; the identification method is simple; and the identification result is reliable.

The invention provides a bobbin tray. The bobbin tray comprises a tray body, wherein a central hole is formed in the upper part of the tray body; a bottom hole is formed in the middle of the bottom surface of the tray body; the aperture of the bottom hole is greater than that of the central hole; and the bottom hole is communicated with the central hole. The bobbin tray is characterized in that a circular filtering screen of which the diameter is consistent with the aperture of the bottom hole is arranged at the end in the bottom hole, which is combined with the central hole; and a circular jacket is mounted below the circular filtering screen. The bottom hole on the bottom surface of the tray body is a stepped hole; and the aperture of one section of stepped hole, which is close to the bottom surface of the tray body, is greater than the aperture of one section, close to the lower end of the central hole, of the stepped hole. Tail yarns sucked into the central hole of a bobbin are long enough and are prevented from being wound; and meanwhile, the influence on the flowing of negative-pressure air current is avoided and the success rate of a tube exchange repiece is increased. In addition, the bobbin tray has the advantages of low cost and convenience and reliability in use.

The invention discloses a landscape improving method for a hill forest and belongs to the field of ecological environment-friendly landscape culture. According to the specific culture mode of the landscape improving method, landscape renovation is carried out through the measures of tree species after-replacement, pattern matching, artificial tending and scientific management and protection, and a series of artificial technical operation is needed according to the design of the landscape of the hill forest. By means of the renovation with the measures, the purposes that the stand density is reasonable, the structure is stable and healthy, high biodiversity of the forest is achieved, the landscape is harmonious, and the beautiful scenery degree is improved can be achieved.

The invention discloses water treatment equipment, which comprises a raw water tank, a primary sedimentation tower, an inclined tubing sedimentation room, a filtration room and an adsorption room. A water taking and filtering device is arranged inside the raw water tank. The device comprises a water taking tank and a fixed support. The bottom of the water taking tank is open and provided with grating, and the inside of the water taking tank is provided with a material filter layer. A water inlet pipeline is provided with an on-line flow detector, a coagulation-dosing device and a high pressure pump. The primary sedimentation tower comprises inner and outer towers and a sludge discharge channel arranged between the outer tower and the inner tower. Baffle plates which are tilted upwards are arranged in a relatively-crossed manner inside the inner tower. A sludge collecting device and an inclined tubing sedimentation device are disposed inside the inclined tubing sedimentation room. The middle part of the filtration room is provided with a filter layer. Multiple adsorption layers are arranged inside the adsorption room. Raw water at a water taking end can be preliminarily filtered, and turbidity of raw water is further reduced by the utilization of the primary sedimentation tower. Then, the raw water further flows through treatment rooms such as the inclined tubing sedimentation room, the filtration room and the like to reach the drinking water standard. The whole system has a compact layout and occupies a small area.

The invention discloses an Eriocheir sinensis standard aquaculture method. The aquaculture method includes the following steps: pool reconstruction, early stage preparation, larva throwing, pool management and catching and selling. The Eriocheir sinensis standard aquaculture method is simple to operate, is low in aquaculture cost, is reasonable in density, is conductive to cultivation of large-size Eriocheir sinensis, can greatly improve the proportion of large-size high-quality Eriocheir sinensis, and can practically improve the aquaculture benefits.

The invention discloses a full-mechanical cultivation method of wheat following rice and aims at a rice-wheat rotation system. The method includes the steps of firstly, sunning the field before rice harvesting, and mechanically harvesting rice; secondly, preparing soil before sowing, wherein different soil preparing manners are adopted according to soil water content; thirdly, using different seedprocessing manners to process selected seeds according to different-disease-degree regions; fourthly, determining an appropriate sowing period according to weather, varieties and soil moisture content, using a sowing machine which integrates sowing, fertilizing and compressing to perform sowing in the appropriate sowing period, and applying base fertilizer during sowing, wherein sowing depth is regulated according to soil moisture content; fifthly, performing filed management; sixthly, harvesting from the late dough stage of the wheat to the full ripe stage of the wheat, and returning crushedwheat straw to the field. By the method, the systematic mechanical cultivation technology can be built, the planting quality of wheat following rice can be increased, and high yield can be achieved.

The invention belongs to the technical field of quality control in the printing process, and particularly relates to a method for determining the printing three-primary color density. According to the method, a control strip with each ink area including a cyan color lump, a pinkish red color lump, a yellow color lump, a red color lump, a green color lump and a blue color lump is designed; after printing, the spectral reflectance of each color lump is detected, the tristimulus values of each color lump and the main density values of each cyan color lump, each pinkish red color lump and each yellow color lump are calculated, and the tristimulus values of the cyan color, the pinkish red color, the yellow color, the red color, the green color and the blue color and the relation of the main density values of the cyan color, the pinkish red color and the yellow color are subjected to fitting through the least square method; and for the cyan color, the pinkish red color and the yellow color, according to the function relation between the tristimulus values and the main density, the tristimulus values and the chromatic values of the cyan color, the pinkish red color, the yellow color, the red color, the green color and the blue color are cyclically calculated when the main density is changed from low to high, and the chromatic aberration between the chromatic values and the standard chromatic values is calculated. According to the method, only the spectral reflectance of the ink areas on one or more printing sheets needs to be detected in a scanning manner, the requirement for the number of samples is low, the most reasonable density is determined through program calculation, efficiency is high, and the requirement for the skills of users is low.

The invention provides a preparation method of a carbon fiber composite pre-oxidized filament preform. The method comprises the following steps: 1) weaving weft-free unidirectional carbon fiber clothby using 12K carbon fibers through a braiding machine; 2) performing shearing on PAN pre-oxidized fiber filaments, spraying water, performing heating, and performing opening to prepare a net; and 3) flatly spreading the carbon fiber cloth, using the carbon fiber cloth combining with the net as interlayer filling, performing stacking layer by layer, and performing needle punching layer by layer toobtain the three-dimensional overall structural preform. According to the preparation method provided by the invention, the preform produced by the method has a compact structure and is not easy to layer, uniformity and permeability of surface pores of the preform are excellent, so that the subsequent densification period is greatly shortened; and the method has a simple production process and lowproduction costs.

The invention discloses a charge-induced sulphophile expanded adsorbent bed medium with hydrophobic nature and a preparation method thereof. In the composition of the medium, matrix is a composite microsphere with fibrin / inorganic weighting agent, petunidin is sulfonyl group and mercapto benzimidazole. The composite microsphere with fibrin / inorganic weighting agent is acquired by inverse suspension thermal regeneration and is taken as the matrix to mix divinyl sulfone, soda buffer solution and DMSO for activation, then swab-off active matrix, the mercapto benzimidazole and sodium hydroxide containing ammonium persulfate are mixed for coupling, thus acquiring the charge-induced sulphophile expanded adsorbent bed medium with the hydrophobic nature. The expanded bed adsorbing medium developed by the invention combines with three protein separation principles of hydrophobic charge induced chromatography, thiophilic chromatography and expanded bed adsorption, etc., which has the advantagesof large density of the petunidin, large protein adsorption capacity, strong specificity, mild conditions of adsorption and elution, etc., and shows the characteristic of the integration of technology and process, thus being used for high efficient separation and purification of proteins such as antibody, etc.

The invention discloses a method for artificially promoting the rapid forest establishment of populus euphratica young forests, and relates to the field of agriculture. The method for artificially promoting the rapid forest establishment of the populus euphratica young forests specifically includes the steps that a planting land is selected, soil of the planting land is fertile and loose sandy loam or light saline-alkali soil, an excavating device is adopted to excavate a plurality of deep planting holes, and nursery gardens are laid in the deep planting holes; after seedlings grow into finished saplings, the bred finished saplings are moved into the nursery gardens, and the roots of the saplings are protected through an auxiliary growth device; a plastic film is laid on the nursery gardens; and the roots of the saplings are irrigated regularly, so that the roots of the saplings and root soil are completely infiltrated. The situation that when the populus euphratica saplings are cultivated, a stable growth environment can be provided for the saplings, the saplings can stably and rapidly grow in the mature period, rhizome damage of the transplanted saplings is reduced, and the deathrate of the saplings is reduced is achieved, so that the rapid forest establishment of the populus euphratica is achieved.

The invention provides an anti-ultraviolet knitted fabric windbreaker and a making method thereof. The anti-ultraviolet knitted fabric windbreaker comprises a windbreaker body and a cap, and is characterized in that front coat parts, a rear coat part, side coat parts, sleeves, top flies and front facings of the windbreaker body are made from thin and light durable anti-ultraviolet knitted fabric; the bottom ends of the sleeves are respectively provided with an internal sun-resistant cuff; the armpit parts of the side coat parts are respectively provided with a piece of breathable mesh cloth; the rear coat part is provided with a back yoke. The internal sun-resistant cuffs of the sleeves are made by taking double-bead mesh fabric as a raw material; the windbreaker has a durable anti-ultraviolet effect by means of fabric selection and reasonable structural collocation; furthermore, the windbreaker is thin and light and has good air permeability. The making method of the anti-ultraviolet knitted fabric windbreaker is simple in technology and reasonable in sewing threads, stitch density and sewing material collocation; the flow production of ready-made clothes can be realized by adopting the conventional knitting sewing equipment.

A refractory material for the protecting layer of blowing pipe used in copper smelting furnace is prepared from aluminium oxide as aggregate, fine magnesium oxide powder, asbestos wool, steel fibres and sodium silicate through proportional mixing. It can elongate the average service life of said blowing pipe.