411results about How to "Fully developed" patented technology

The present invention is ultrasonic process of preparing theasaponin and belongs to the field of agricultural side product processing technology. The technological scheme is that tea seed cake residue after extracting oil is processed through crushing, mixing with organic solvent, ultrasonic leaching, separating, recovering solvent, ultrafiltering to purify and to obtain theasaponin concentrate, decolorizing and drying to obtain theasaponin product. The present invention has the beneficial effects of physical extraction process caused high theasaponin extracting rate, high product purity and quality, simple technological process with low power consumption and low production cost, less pollution, etc.

The invention relates to a rain collection self-pressure irrigation system for loess plateau hilly area step greenhouses, which comprises greenhouses, ground water collection surfaces, water collection flow gathering ditches, water reservoirs and irrigation pipelines, wherein the greenhouses are arranged on the steps of a terraced field, the ground water collection surfaces, the water collection flow gathering ditches, the water reservoirs and the irrigation pipelines are arranged on the steps, the greenhouses comprise greenhouse ceiling water collection surfaces, the water collection flow gathering ditches are arranged along the lower edges of the greenhouse ceiling water collection surfaces, the ground water collection surfaces are in inclined arrangement, the lower sides of the ground water collection surfaces are connected with the collection flow gathering ditches, one sides or two sides of the water collection flow gathering ditches are provided with the water reservoirs, and the irrigation pipelines are arranged in the greenhouses and are connected with the water reservoirs of the previous steps through main pipelines. The greenhouses are built on the terraced field, the collected rain at the previous step of the terraced field is used for irrigating the greenhouse on the next step of the terraced field, the rain resources are sufficiently and reasonably developed and utilized for developing the facility agriculture, and the ecological system is prompted to be converted to the benign circulation.

A process for preparing the high-thixotropy calcium carbonate nano-particles used for paint or adhesive includes such steps as digestion, carbonizing, coating and drying.

The invention discloses a composite type foliage fertilizer for cured tobacco and relates to the field of fertilizer. The foliage fertilizer is prepared from potassium nitrate, magnesium sulfate, borax, ammonium molybdate, NAA, amino acid, humic acid and a spreader which are dissolved in water. The composite type foliage fertilizer has the characteristics of having comprehensive nutrition, remarkably promoting the leaf-opening of the upper leaves, improving the quality of tobacco leaves and the like, can be widely used in tobacco-rice rotation regions in south China where soil commonly lacks magnesium, boron, molybdenum and other microelements, and is the foliage fertilizer special for the cured tobacco, which has good application effect.

The invention discloses a method for treating arsenic-containing wastewater and solidifying arsenic. The method comprises the following steps: separating and enriching arsenic in the arsenic-containing wastewater in the form of calcium arsenate or/and calcium arsenite precipitate; and oxidizing the obtained arsenic enriched product in a ferric sulfate or ferrous sulfate solution, and carrying outnormal-pressure reaction or pressurized hydrothermal reaction or normal-pressure hydrothermal reaction, so that arsenic in the arsenic enriched product is solidified in the form of scorodite crystals.The obtained scorodite crystals are complete in grain development, uniform in grain distribution and stable in structure under acidic conditions. The method has the advantages of high operation efficiency, good arsenic fixation effect, convenience in operation, low arsenic solidification treatment cost and the like, and is suitable for industrial application of harmless treatment of arsenic-containing wastewater.

The invention discloses a specific fertilizer of ornamental pineapple in the floral fertilizer technological domain, which comprises the following parts: 0-30% calcium ammonium nitrate, 0-60% potassium nitrate, 0-30% monobasic potassium phosphate, 0-8.2% monoammonium phosphate, 2-47% potassium sulfate, 4.3-23% magnesium sulfate, 0-17% aquacare, 0.422-0.823% EDTA-Fe, 0.048-0.096% zinc sulfate, 0.007-0.013%copper sulfate, 0.013- 0.024%sodium molybdate and 0.055-0.110% manganese sulfate.

A method for preparing mesoporous hydroxyapatite nanocrystal includes the following steps: weighing soluble calcium salt and phosphorus pentoxide or phosphate ester at a stoichiometric ratio of Ca/P of 1.67; respectively dissolving the phosphorus pentoxide or phosphate ester into the alcohol solution, and dissolving the soluble calcium salt into the aqueous solution, wherein the volume ratio of the aqueous solution/alcohol solution is of 2/3, 1 or 3/2; mixing the two solutions, adjusting the pH value of the mixed solutino to 9-10 with the ammonia water, and intensively mixing; feeding the solution into a reaction kettle, and carrying out the hydrothermal reaction at a temperature of 140-180 DEG C for 8 hours to obtain hydroxyapatite precipitate; washing with the distilled water, vacuum-filtering; and drying at a temperature of 200DEG C to obtain the mesoporous hydroxyapatite nanocrystal.

The invention discloses a wireless energy-carrying communication system based on magnetic coupling resonance. The wireless energy-carrying communication system comprises a transmitting device and a receiving device, wherein the transmitting device comprises a Bluetooth interface, a modulation circuit, a driving circuit and transmitting coils; and a receiving part comprises receiving coils, an electric energy conversion module, an information extraction module, a display and a music player interface; a transmitting unit is used for modulating data transmitted by a mobile phone or a computer over Bluetooth, and loading the modulated data onto the transmitting coils through the driving circuit in order to transmit the modulated data; and the receiving coils are used for acquiring signals transmitted by the transmitting coils in a magnetic coupling resonance way, and converting the signals into energy and information in order to drive the display and a music player to work. Through adoption of the wireless energy-carrying communication system, the reliability is ensured; the cost is relatively low at the same time; actual functions are enriched; and very high practicability is achieved.

The invention discloses a Fe3O4/MoS2/BiVO4 material preparing method, a product and an application of the product. The method comprises the steps: firstly, dissolving ferric chloride hexahydrate, sodium acetate and polyethylene glycol in ethylene glycol, carrying out a reaction at the temperature of 180-200 DEG C for 8-9 h, and thus obtaining ferric oxide; then, mixing sodium molybdate dehydrate,sodium molybdate tetrahydrate and thiourea evenly, adding ferroferric oxide, and carrying out a reaction for 22-24 h at the temperature of 180-200 DEG C, to obtain a Fe3O4/MoS2 material; finally, dissolving bismuth nitrate pentahydrate and ammonium metavanadate in deionized water, adding the Fe3O4/MoS2 material, mixing evenly, carrying out a reaction for 15-17 h at the temperature of 160-170 DEG C, and thus obtaining a Fe3O4/MoS2/BiVO4 composite material. When the composite material is used as a photocatalyst for treating tetracycline hydrochloride wastewater, the degradation rate can reach 90% or more, and the photocatalytic efficiency can be improved. At the same time, because of the presence of Fe3O4, the photocatalyst can be recovered more conveniently and simply for repeated experiments, the recovery cost of the photocatalyst is reduced, and the repeated utilization rate of the photocatalyst is improved.

A universal water-turbine engine pertains to an impact water-turbine engine which converts pressure energy of current to kinetic energy and converts the kinetic energy to rotating mechanical energy in the hydraulic machinery; the water-turbine engine consists of a or a plurality of jet orifices, a device corresponding to the jet orifices, a or a plurality of turning wheels arranged on a main axis for the universal water-turbine engine, a tailrace arranged under the turning wheel, a speed governor, a driving device and other parts. The water-turbine engine can develop and exploit all waterpower resources and has high efficiency, large capacity, safe and reliable performance, simple and reasonable structure as well as low manufacturing cost; the application of the water-turbine engine significantly promotes the current development and exploitation of the waterpower resource, thus being capable of marking a new epoch of rapid development of the hydroelectric power industry.

The present invention is the process of preparing magnesium carbonate crystal whisker from magnesium bicarbonate solution. Into magnesium bicarbonate solution, proper amount of additive is added, and through controlling the crystallization condition, magnesium carbonate crystal whisker in different sizes is prepared. Thus obtained magnesium carbonate crystal whisker has diameter of 0.1-5 microns and length of 10-2000 microns, may be used as reinforcing material for paint, plastic, rubber, etc. and may be used also as the intermediate product for preparing high-purity magnesia and other magnesium salt. The present invention opens new way for the comprehensive utilization of magnesium salt and has excellent application foreground.

The invention relates to a highly-oriented highly-heat-conducting carbon/carbon composite material and a preparation method thereof. The technical scheme is as follows: the method comprises the following steps of: oxidizing and stabilizing large-section strip-shaped intermediate phase pitch fiber which serves as a raw material; uniformly coating an adhesive on the surface of the oxidized and stabilized strip-shaped intermediate phase pitch fiber, wherein the adhesive accounts for 4 to 20wt% of raw materials; tiling the strip-shaped intermediate phase pitch fiber coated with the adhesive is coated in a mold in a unidirectional mode and performing hot-forming; and finally, carbonizing at the temperature of between 1,000 and 1,600 DEG C and graphitizing at the temperature of between 2,800 and 3,100 DEG C, so as to obtain the highly-oriented highly-heat-conducting carbon/carbon composite material. In the scheme, the cross section of the large-section strip-shaped intermediate phase pitch fiber has a shape of an approximate rectangle which has the width of 1 to 2 millimeters and the thickness of 8 to 20 microns; the hot-forming temperature is 300 to 700 DEG C; the hot-forming pressure is 5 to 20MPa, and the temperature and the pressure are kept for 1 to 24 hours. The method has the advantages of being simple in preparation process, low in cost, high in repeatability and short in production cycle, and the composite material prepared by using the method has the highly-oriented and highly-heat-conducting characteristics.

The invention discloses a method for the centralized management of electronic records of a power supply enterprise, and belongs to the field of digital data processing. The method comprises the steps: respectively arranging at least one group of customer data input terminals at all sales network points of each power supply enterprise, and respectively arranging at least one branch electronic record management server at each power supply enterprise, wherein each group of customer data input terminals consists of a microphone terminal, a printer, a scanner, a shooting instrument, an electronic signature board, and PAD mobile equipment; arranging at least one general electronic record management server at a power corporate headquarter; and forming a distributed-centralized type power enterprise electronic record system through a plurality of user data input terminals, at least one branch electronic record management server and one general electronic record management server. Through the centralized management of electronic record data of all electricity user marketing businesses in a power enterprise area under administration, the method facilitates the promotion of customer record management and marketing business flow optimization of the power enterprise. The method can be widely used for the storage, management or development and use of record data of marketing business.

The invention discloses a method for preparing a persimmon peel/leaf extract derivative multifunctional water treatment agent. The method comprises the following steps of: at first, crushing persimmon peels/leaves, containing the crushed persimmon peels/leaves into a container, adding a solvent into the container, reflux extracting, cooling the container to the room temperature, adding an alkylating agent and an aminating agent, heating, refluxing, cooling the container to the room temperature finally, filtering the persimmon peel/leaf powder, evaporating filtrate and crushing to obtain the brown granular solid multifunctional water treatment agent. The multifunctional water treatment agent has the performances of corrosion inhibition, scale inhibition, iron ion stability and sterilization as well as excellent environmental friendliness.

The present disclosure relates to a particularly effective well configuration that can be used for single well steam assisted gravity drainage (SW-SAGD), wherein steam injection occurs at one or more points between the heel and toe, instead of at the toe as in the prior art.

The invention provides a composite board and a preparation method. The composite board comprises a surface layer and an intermediate layer, wherein the intermediate layer comprises a composite layer and a fiber gridding cloth layer; the surface layer is respectively prepared from the following raw materials in parts by weight: 20 to 50 parts of cement, 10 to 50 parts of mineral powder, 0.5 to 5 parts of surface-layer minerals, 2 to 35 parts of plant fiber, 0.2 to 2 parts of chopped composite fiber, 10 to 50 parts of water and 1 to 3 parts of an additive; the composite layer is prepared from the following raw materials in parts by weight: 30 to 40 parts of sulfate aluminum cement, 20 to 30 parts of the mineral powder, 5 to 10 parts of micro-nano silicon powder, 25 to 30 parts of the plant fiber, 0.5 to 1 part of the chopped composite fiber, 15 to 30 parts of the water and 1 to 3 parts of the additive; the composite layer and the fiber gridding cloth layer are paved at intervals. By adopting a compounding technology of ultrafine mineral powder and the additive and through an interface agent, fiber gridding cloth is treated; by adopting a high-pressure compression molding technology,the water absorption rate of a bare board of the composite board is smaller than or equal to 7.0 percent; through 28-day maintenance, the bending strength is greater than or equal to 40 MPa, the tensile strength is greater than or equal to 50 MPa, the humidity deformation is smaller than or equal to 0.01 percent, and the impervious performance and the corrosion resistance are enhanced.

The invention provides a quaternary positive electrode material precursor. The quaternary positive electrode material precursor is of a core-shell structure, the material formula of a core is Ni<1-x-y-z>Co<x>Al<y>Mn<z>CO3, the material formula of the core is Ni<1-r-s-t>Co<r>Al<s>Mn<t>(OH)2, wherein (1-x-y-z) is a numeral value between 0.80 and 0.96, x is larger than 0, y is a numeral value between0.01 and 0.10, z is a numeral value between 0.01 and 0.10, (1-r-s-t) is a numeral value between 0.34 and 0.70, r is larger than 0, s is a numeral value between 0.20 and 0.40, and t a numeral value between 0.20 and 0.40. The quaternary positive electrode material is stable in structure, high in safety, long in cycle lifetime and good in thermal stability.

The invention provides a method for preventing PCB solder mask oil leakage. The method comprises the steps of: oil preparing, board surface processing, hole plugging and oil printing, pre-baking, film manufacturing, aligning/exposure, board punching and developing, UV curing and subsequent procedure conducting, wherein a green oil ring is additionally arranged on the periphery of a film single-side windowed region hole in the film manufacturing step, and a difference value between the diameter of the green oil ring and the diameter of the hole ranges from 2 to 5 mil. The method for preventing PCB solder mask oil leakage significantly prevents the oil leakage abnormal phenomenon at a single-side windowed position after aligning and developing, the appearance quality of the oil covering circuits and a substrate is good, and the adverse effect of plug hole oil leakage on the subsequent PCB production process is avoided.