121results about How to "Conducive to commercial promotion" patented technology

The invention relates to the technical field of new energy materials, and in particular to a vanadium disulfide / graphene composite material and a preparation method therefor. The preparation method comprises the following steps: dissolving a vanadium source into water and uniformly mixing with an excessive amount of sulfur source to obtain a mixed solution A, uniformly mixing graphene oxide with the mixed solution A, performing reaction at the temperature of 150-200 DEG C, and after the reaction to obtain the vanadium disulfide / graphene composite material. The preparation method is simple in process, mature in technology, available in equipment and quite good for the commercial promotion; according to the prepared vanadium disulfide / graphene composite material, the shortcomings of the vanadium disulfide and graphene are overcome by each other; the chemical activity of the material is improved, and the vanadium disulfide / graphene composite material can be used as the chemical active material to be applied to lithium ion battery negative electrodes; and the obtained lithium ion battery is quite good in circulation reversibility and relatively high in specific capacity.

The invention provides a high-voltage direct-current cable material and a preparation method thereof. The high-voltage direct-current cable material comprises the following components in parts by mass: 90-100 parts of low-density polyethylene, 0.5-3.5 parts of modified nanometer magnesia, 0.1-0.5 part of molten paraffin, 0.001-0.08 part of an antioxidant and 0.001-2.5 parts of a benzyl compound. The preparation method comprises the following steps: preparing the modified nanometer magnesia by using a drum ball-milling method, premixing the raw materials, and finally pelleting, thereby obtaining the high-voltage direct-current cable material. The high-voltage direct-current cable material provided by the scheme of the invention is excellent in space charge accumulation inhibition property under the condition of 40kV / mm and high in breakdown field strength, and the requirement of high-voltage direct-current cable power transmission of 100kV can be met.

A float suspended liquid metal magnetic fluid wave energy direct generating device is composed of a float retractable wave-capturing device, a reciprocating compression device, a coupling device, a suspended liquid metal magnetic fluid generator and a mooring gear. The float retractable wave-capturing device integrates the advantages of float type, raft type and retractable slopeway type wave-capturing device, can absorb wave energy of vertical and horizontal direction and can improve absorption efficiency of wave energy. The suspended liquid metal magnetic fluid generating device can be suspended on the sea vertically and is easy for installation and maintenance.

The invention discloses a mask carbon-oxygen exchange type spontaneous respirator which comprises an open mask, an air chamber, a reaction chamber, a reaction chamber connecting sleeve and an exhalation guide tube. Gas is distributed by the aid of three partition plates with check valve plates, the partition plates are arranged above the air chamber, gas only can flow out of a center check valve but cannot flow into the center check valve, exhaled gas is directly guided into the reaction chamber via the exhalation guide tube, the reaction chamber in the special design is of a double-layer structure, the exhaled gas reacts to metal superoxides which are placed in a layered manner, the exhaled CO<2> is adsorbed to generate solid K<2>CO<2>, O<2> can be released, gas with the sufficient oxygen escapes from a porous cover of the reaction chamber, flows into the air chamber and is inhaled into the respiratory organs of a user via two check valves, and gas only can flow into the two check valves but cannot flow out of the two check valves. The mask carbon-oxygen exchange type spontaneous respirator has the advantages that the shortcoming that respiration oxygen needs to be generated by the aid of oxygen candles in advance due to carbon-oxygen exchange reaction lag of a mixed-flow respirator can be overcome, the spontaneous oxygen supply respirator is small, the user can wear the spontaneous oxygen supply respirator conveniently and can be prevented from being harmed by toxic fume, and the mask carbon-oxygen exchange type spontaneous respirator can be used as an emergency oxygen supply tool under the condition of oxygen deficiency.

Disclosed is a wave energy swaying type liquid metal magnetic fluid power generation floating tube which is composed of a hook ring (1), a floating tube shell (2), storage containers (3-1) and (3-2), a power generation channel (4), a magnet (5), electrodes (6), a power output system (7) and liquid metal (8). The power generation floating tube floats on the sea and sways along with the wave surge. The liquid metal (8) moves back and forth in the power generation channel (4) along with the swaying of the floating tube shell (2), and interacts with the magnetic field generated by the magnet and generates induced electromotive force; then the electricity power is output through the plate electrodes (6) and the power output system. The wave energy swaying type liquid metal magnetic fluid power generation floating tube of the invention has the advantages of high conversion efficiency, large power density, compact and simple structure, low cost and good mobility; and is easy for commercial popularization.

The invention discloses a shared bicycle parking device delivery quantity calculation method. Without considering man-made shared bicycle scheduling, layout parameters are set according to the numberof parked shared bicycles. On the basis of satisfying a certain degree of parking demand, the minimum delivery cost and space cost function are taken as goals to construct an integer programming model. The delivery number of shared bicycle parking devices at a planned place is determined. According to the method provided by the invention, under the premise of satisfying the parking demand of bicycles, the governance cost of the problem of shared bicycle chaos is reduced, and the road space utilization rate is improved; and the method facilitates the long-term sustainable development of sharedtransportation.

The invention relates to an oxygen reduction reaction catalyst with graphene as a carrier, and a preparation method thereof. The invention provides a graphene-based composite oxygen reduction reaction catalyst and a preparation method thereof. The catalyst comprises graphene and cobalt hydroxide, and the loading amount of cobalt hydroxide is 3.2-15 microgram / cm2. The preparation method of the graphene-based composite oxygen reduction reaction catalyst comprises: depositing a cobalt hydroxide precipitate on a surface of a graphene membrane by a potentiostatic deposition method so as to obtain the graphene-based composite oxygen reduction reaction catalyst.

The invention discloses a silicon nano-material with a three-dimensional cross-linked structure as well as a preparation method and application thereof. The silicon nano-material with the three-dimensional cross-linked structure is extracted from silicate minerals by adopting a fused salt reduction method; specifically, the preparation method comprises the following steps: uniformly mixing magnesium powder or aluminum powder, aluminum chloride and a silicon dioxide precursor formed by carrying out hydrothermal acidification treatment and derivatization on natural silicate minerals; carrying out sealed fused salt reduction reaction in a reaction kettle to prepare the silicon nano-material with the three-dimensional cross-linked structure. The method disclosed by the invention is simple andefficient and is easy to prepare; prepared silicon particles have good characteristics of high purity, small size, high specific capacity and the like, and have a wide application prospect in the energy-storage fields including electrode materials of ion batteries and the like.

The invention provides integrated apparatus and method for extracting second-phase particles in steel through electrolysis, and belongs to the technical field of metal physic researching. The apparatus includes a main control device, a DC power supply, a refrigerating compressor, an electrolyte auto-injection system, an electrolysis fixture, and an ultrasonic device, all of the units integrated together through a stainless steel housing. The main control device can automatically control the refrigerating compressor to perform refrigeration, on / off of electrolysis, and start and stop of the electrolyte auto-injection system and the ultrasonic device; the electrolysis fixture is used for mounting a sample; and the DC power supply supplies power to the electrolysis process. The DC power supply, the refrigerating compressor and the ultrasonic device are integrated with combination of the electrolyte auto-injection system, so that experiment process and difficult are greatly reduced, and operability and normalization of experiment are improved; especially, by means of ultrasonic wave, the second-phase particles on a surface of the sample can enter an electrolyte timely, thus improving electrolysis efficiency.

The invention provides a ration formulation of a TMR forage for promoting goat recovery after production and a breeding technology. The invention is characterized in that the forage is divided into four stages that a first stage is for 1-10 days, a second stage is for 11-20 days, a third stage is for 21-30 days and a fourth stage is for 31-120 days. The formula for the first stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 5.0 : 5.0; the formula for the second stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 4.5 : 5.5; the formula for the third stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 4.0 : 6.0; and the formula for the fourth stage is a ration formulation of a basic forage prepared by a fine forage and a crude forage with a ratio of 3.5 : 6.5. The TMR forage can be prepared with a large amount for one time, and stored in packages, thereby being convenient to use, and facilitating mechanized operations and commercial promotion.

The invention discloses a generating unit adopting magnetic-transmission fluid metal (the magnetic fluid wave energy is used to generate electricity directly), comprising a pressure plate (1), a magnetic-coupling piston (2), a U-shape gland (3), fluid metal (4), a left magnetic-fluid generating channel (5-1) with a rectangular or quadratic cross-section, a right magnetic-fluid generating channel (5-2), two pairs of flat electrodes (7-1), (7-1') and (7-2), (7-2') and two polar magnets (6), and the invention is vertically arranged in the offshore seawater. The pressure plate (1) linked with a buoy drives the magnetic-coupling piston (2) to make reciprocating movements; the liquid metal (4) in the U-shape gland (3) is driven to flow under the magnetic coupling function. As a result, zero leakage of liquid metal (4) is realized, the flow resistance of the liquid metal (4) is reduced, the efficiency of energy conversion and the stability of the generating system are improved.

The invention relates to a porous metal organic framework doped graphene oxide-based composite material and a rapid preparation method and application thereof. The preparation method comprises the following specific steps: sequentially adding a metal salt, an organic ligand and a surfactant into an organic solvent, stirring to react for a period of time, and centrifuging, washing and drying the product to obtain a porous metal organic framework; and respectively diluting and mixing the porous metal organic framework and graphene oxide, and obtaining the porous metal organic framework doped graphene oxide-based composite material by adopting a vacuum or pressure-assisted filtering method. Compared with the traditional vacuum / pressure auxiliary filtering method, the filtering time of the composite material is greatly shortened, the thickness is controllable, a two-dimensional film and three-dimensional hydrogel and aerogel can be prepared, the limitation that hydrogel and aerogel cannotbe prepared through the traditional filtering method is broken through, and the prepared composite film has higher water flux and stronger mechanical properties and has wide application prospects in the aspects of dye separation and water treatment.

The invention provides a water-plant-temperature coupled vegetation network which comprises an intelligent microporous breathable plastic film, elastic support bodies which are fixed below the intelligent microporous breathable plastic film and alternately arranged, and a seed tape which is vertically embedded on the intelligent microporous breathable plastic film; or comprises the intelligent microporous breathable plastic film, the elastic support bodies which are fixed below the intelligent microporous breathable plastic film and alternately arranged, a straw mesh layer fixed at the lower ends of the elastic support bodies and the seed tape which is vertically embedded between the intelligent microporous breathable plastic film and the straw mesh layer. The water-plant-temperature coupled vegetation network can regulate water and heat flux in a balanced manner, realize uniform distribution of seeds and have high applicability, convenient transportation and construction and low integrated cost. The water-plant-temperature coupled vegetation network is mainly used in the fields of landscape greening and vegetation restoration.

The invention discloses a preparing method for cuprous sulfide nanosheets. A chemical vapor deposition method is used, and the preparing method mainly includes the following steps that nano-copper powder and powdered sulfur are placed into a railboat, and then a reaction is made in a tubular furnace to prepare two-dimensional cuprous sulfide thin sheets; and the prepared cuprous sulfide thin sheets serve as a material to test XRD. The method for preparing cuprous sulfide is simple in process, mature in technology and quiet favorable for commercialization popularization, and equipment is easily obtained; and in addition, the cuprous sulfide prepared from the method is good in degree of crystallinity, and the smoothness of a thin film is high. Conversion of the cuprous sulfide from the beta phase to the gamma phase is carried out at the temperature close to the room temperature.

The invention discloses an asexual propagation method for nuclear male sterile line, restores line and common line in cotton by utilizing perennial root. The course of action is that: planting cotton of nuclear male sterile line, restores line and common line in the area that the cotton is capable of living through the winter for the first year and reserving the cotton plant to pass the winter naturally after harvested the seeds; then in the second year or each year later, the cotton plant with perennial root of the previous year gives off lateral bud and grows out new plantlet by the asexual propagation. Harvesting seeds on the plantlet features asexual propagation to realize the asexual propagation for the parents of cotton nuclear coenospecies and cotton line under the conditions of perennial root of high purity strain, so as to maintain the reliability of netic gene and reduce the gene recombination and genovariation due to sexual multiplication; meanwhile, in cooperation with species pollinated by insects during propagating sterile line, the invention can both maintain the hereditary purity and lower the production cost.

The invention relates to an electrode catalyst, specifically to an application of manganese oxide / graphene catalyst. The manganese oxide / graphene catalyst is used in an air electrode. According to the catalyst, graphene and manganese oxide are respectively prepared by chemical reduction of graphite oxide and hydro-thermal synthesis, and modification of manganese oxide on the surface of a graphene film is realized by a physical dispensing method so as to obtain the manganese oxide / graphene air electrode catalyst. The prepared catalyst has excellent catalytic performance. By the adoption of the catalyst, overpotential of an oxygen reduction reaction can be reduced and reaction current can be increased.

The invention provides an integrated structure, a battery / electrolytic cell and a preparation method of a battery stack. The method comprises the following steps: designing pore-forming agents with different flow channel shapes, paving powder layer by layer, and preparing a self-sealing connecting body and supporting body integrated structure by utilizing a compression molding and powder metallurgy preparation method. And an anode, an electrolyte and a cathode are sequentially prepared on the metal porous area of the integrated structure of the supporting body and the connecting body in a tapecasting, wet method or spraying mode, so that the anode covers the metal porous area, the electrolyte covers the anode area, and finally, the self-sealing single battery / electrolytic tank is prepared. Through the preparation method provided by the invention, the manufacturing process of the cell stack is effectively simplified, the sealing workload of the cell stack is reduced, the manufacturingcost of the cell is favorably reduced, and the commercial popularization of the solid oxide cell is facilitated.

The invention discloses a preparation method of a compound semiconductor thin film solar cell. The preparation method comprises the following steps of forming a back electrode, in which the back electrode is formed on a substrate; forming an absorption layer, in which a metal pre-fabrication layer is formed on on the back electrode, the metal pre-fabrication layer is immersed in a Na3PO4 solutionand is processed and dried, and post-selenylation is performed on the dried metal pre-fabrication layer to form the absorption layer; forming a buffer layer, in which the buffer layer is formed on theabsorption layer; forming a window layer, in which an intrinsic zinc oxide layer and a doping zinc oxide layer are formed on the buffer layer; and forming a top electrode, in which the top electrodeis formed on the window layer. The metal pre-fabrication layer is processed by the Na3PO4 solution, so that the open-circuit voltage of the compound semiconductor thin film solar cell is remarkably improved, and the device efficiency can be obviously improved; and moreover, the preparation method is low in cost and is beneficial for market promotion and application.

The invention provides a specific detection method for a trace amount of breast adenocarcinoma cells in circulatory blood volume, which comprises: mixing a first adaptor coupled with a magnetic particle and a second adaptor coupled with nano gold particles with a sample to be mixed separately or at the same time; and detecting, identifying and / or quantifying target molecules. In addition, the invention also relates to a reagent for treating the blood sample to be treated, an intermediate, a detection kit and the like, which are used in the method. The method is simple and convenient for use and has high sensitivity, high specificity, high repeatability, quick result delivery, no need of complex instruments, and no special skills. Particularly, even if the sample to be detected is detecteddirectly without accurate purification, the method can still keep practical sensitivity and specificity; and thus, the detection operation is facilitated greatly, the consumption of a reagent is saved, the detection process is accelerated, and the method and the kit can be promoted for actual industrial application.

The invention provides an intelligent microporous temperature-control air-permeable mulching film which comprises non-woven fabric, an elongated channel on the non-woven fabric, an intelligent moisture regulator inlayed in the center of the channel and suckers arranged at the bottom of the non-woven fabric at intervals. The mulching film is thin and light, is convenient for transportation and construction, is easy to generalize, has the advantages of low price and strong self-adaption to an underlying surface in use, can improve high-moisture penetration, reduce moisture evaporation and effectively reduce the production and management cost in the field of agriculture, forestry, and the like and is beneficial to the high-efficiency and economical utilization of water resource. The intelligent microporous temperature-control air-permeable mulching film is mainly used in agriculture, forestry and other fields.

The invention discloses a wind energy / wave energy integrated power generation device and a power generation method thereof. The wind energy / wave energy integrated power generation device comprises a hollow pile; the bottom of the hollow pile is inserted into the bottom of the sea, and the top of the hollow pile extends out of the surface of the sea; wind driven generator blades are installed on the top of a tower; electricity generated by a wind driven generator is transmitted to a controller in the tower; the controller supplies power to various components in the wind driven generator; the controller is also electrically connected with an external grid through a cable; the hollow pile is sleeved with a water storage pool; the top of the water storage pool is located above the surface of the sea; a rising slope is arranged between the surface of the sea and the top of the water storage pool; the bottom of the water storage pool is below the surface of the sea; a descending slope is arranged between the surface of the sea and the bottom of the water storage pool; the rising slope and the descending slope are in butt joint with each other so as to form an ice-resisting cone; the upper part of the water storage pool is open; two or more water-discharging holes are formed in the bottom of the water storage pool; and water turbines are installed in the water-discharging holes respectively. According to the power generation device of the invention, a relatively mature offshore wind power technology and a wave energy power generation technology with a great development potential are combined together so as to form a complementary power generation system, and therefore, grid-connected power generation can be realized with high possibility; offshore wind energy foundation pilesare effectively utilized; and a wave energy generation device and a wind energy power generation device share one set of power transmission system, and therefore, the power generation cost of the waveenergy power generation device can be decreased.

A process for preparing lactic acid-rubber copolymer includes such steps as dewatering lactic acid, polycondensating, modifying its terminal radical to obtain hydroxy terminated polylactic acid, copolymerizing reaction on the isocyanate terminated rubber, and extending chain. Its advantage is easy control to the mechanical performance and biodegradation of product.

The invention discloses deep-sea fish skin collagen peptide. A preparation method of the deep-sea fish skin collagen peptide comprises the following steps: firstly, performing degreasing and impure protein removal on washed deep-sea fish skin, and extracting fish skin collagen by combining acid soaking and water bath extraction; then, inoculating activated lactic acid bacteria into fermentation liquor containing fish skin collagen powder for culture and fermentation, controlling fermentation time, temperature and pH in the fermentation process, performing filtering and centrifugation after fermentation, taking supernatant to obtain a fish skin collagen peptide solution, decolorizing and deodorizing the fish skin collagen peptide solution, finally, performing ultrafiltering, rotarily evaporating and concentrating filtrate, and performing freezing at low temperature and vacuum drying to obtain the fish skin collagen peptide. The deep sea fish skin collagen peptide has high purity, low molecular weight, good biological activity and high hydrophilicity, and the preparation method of the deep-sea fish skin collagen peptide is simple and easy to implement, mild in reaction conditions andhigh in extraction efficiency, and facilitates commercial popularization.

An aptamer-antibody method for detecting a trace of prostate-specific antigen (PSA) in blood is provided. A specific PSA aptamer coupled to magnetic particles and a specific PSA antibody coupled to nanogold particles are respectively mixed with a sample to be detected so as to detect, identify and / or quantify a target molecule (the PSA). The method is simple and convenient to use, sensitive, high in specificity, good in repeatability, rapid in result production, and free of needs for complex instruments and special techniques, and can be popularized to actual industrial application.

The invention discloses a MoS2 phototransistor capable of improving photoelectric detection performance and a manufacturing method thereof, and relates to the technical field of photoelectric detection. Based on a novel 2D / 0D hybrid interdigital phototransistor, high responsivity, a ultrafast response speed and self-powered photoelectric detection performance are realized. The phototransistor comprises a Si / SiO2 substrate, double-layer MoS2 thin films, a Pt electrode, InP@ZnS quantum dots and a silver film, and the plurality of double-layer MoS2 thin films are arranged on an upper surface of the Si / SiO2 substrate; a Pt electrode is manufactured on the upper surfaces of the double-layer MoS2 thin films and the Si / SiO2 substrate to serve as a drain-source electrode; the Pt electrode is an interdigital electrode, a thickness of the Pt electrode is 50nm, a width of the Pt electrode is 2 microns, a finger length of the Pt electrode is 300 microns, and a width distance between the two electrodes is 5 microns; the InP@ZnS quantum dots are manufactured on the surfaces of the Si / SiO2 substrate, the double-layer MoS2 thin films and the Pt electrode; and the silver film is manufactured on a back surface of the Si / SiO2 substrate to serve as a back gate electrode. Due to a design of a 2-micron interdigital Pt electrode, a plasma resonance effect can be achieved, and photoresponsivity is improved; and introduction of an asymmetric Pt / MoS2 Schottky barrier can effectively balance a dilemma of the photoresponsivity and a photoresponse speed.

The invention relates to a large-flake graphite / metal heterojunction composite thin film for heat conducting and a preparation method thereof. The large-flake graphite / metal heterojunction composite thin film adopts a large-flake graphite film as a substrate, and a layer of metal is compounded on the surface of the large-flake graphite film; and through folds and granular bubbles on the surface ofthe large-flake graphite film, the large-flake graphite film and metal particles are closely anchored together, and quick transmitting of electrons and heat is facilitated. The prepared large-flake graphite / metal heterojunction composite thin film is 7-101 [mu]m thick. Compared with traditional graphite thin film heat conducting materials, the large-flake graphite / metal heterojunction composite thin film is higher in heat conducting performance and electric conductivity, wherein the heat conductivity is 1351-2024W m<-1>K<-1>, and the electric conductivity is 5.00(+ / -0.27)*106-5.88(+ / -0.29)*106S m<-1>. In addition, the large-flake graphite / metal heterojunction composite thin film is low in weight, flexible, controllable in thickness, capable of being produced in a large scale and wide in application field.

The invention belongs to the technical field of fuel cell catalysts, and relates to a preparation method of a binary metal platinum-palladium prismatic catalyst, which comprises the following steps: dissolving a platinum precursor and a palladium precursor in a solvent containing a reducing agent, uniformly stirring, adding a surfactant for dispersion, then adding a carbon carrier, and ultrasonically and uniformly mixing to obtain a precursor solution; and then transferring the precursor solution to a reaction kettle, carrying out hydrothermal reaction at 120-200 DEG C for 16-28 hours, cooling to room temperature, centrifuging, washing with deionized water and absolute ethyl alcohol until no impurity exists, and drying to obtain the product. The method is simple in synthesis process, easy to operate, good in repeatability, capable of being produced on a large scale, high in yield, excellent in product performance and beneficial to commercialized popularization. The synthesized platinum-palladium direct methanol fuel cell alloy catalyst has prismoid morphology, has higher activity and durability compared with commercial platinum-carbon and platinum-ruthenium-carbon, has catalytic performance obviously superior to that of a commercial Pt / C catalyst, and has good application prospect and economic value.

The invention discloses a thin film solar cell preparation method. The thin film solar cell preparation method comprises the following steps of: forming a back electrode on a substrate; forming a metal prefabricated layer on the back electrode, performing soaking treatment of the metal prefabricated layer in an NaF solution and drying the metal prefabricated layer, and performing post-selenylationprocessing of the dried metal prefabricated layer to form an absorption layer; forming a buffer layer; forming an intrinsic zinc oxide layer and a doped zinc oxide; and forming a top electrode. The thin film solar cell preparation method employs the NaF solution to perform processing of the metal prefabricated layer to obviously improve the open-circuit voltage of the thin film solar cell and obviously improve the device efficiency. Besides, the cost is low to facilitate commercialization promotion and application.

The invention provides a silsesquioxane-based nitrogen-doped silicon-carbon composite anode material and a preparation method thereof. The preparation method adopts octavinylsilsesquioxane and a nitrogen-containing olefin derivative as reaction monomers, and adopts in-situ polymerization and high-temperature calcination treatment, and then performs magnesium reduction treatment, so that the silicon carbon in the silsesquioxane-based nitrogen-doped silicon-carbon composite anode material prepared by the invention can be uniformly distributed, thereby allowing the lithium ion battery based on the silsesquioxane-based nitrogen-doped silicon-carbon composite anode material prepared in the invention to have the high specific capacity and cycle stability.