81results about How to "Has market application value" patented technology

The invention discloses a biological phosphatic fertilizer. The preparation method of the phosphatic fertilizer comprises the following steps: culturing AM mycorrhiza, phosphate solubilizing bacteria and rhizobium respectively, mixing with a phosphatic fertilizer to react, then adding various nutritional elements required for plants, and mixing and granulating to obtain porous fertilizer particles, so that the contact area between the fertilizer and water is increased, and the dissolving velocity of the fertilizer in water is accelerated. The biological phosphatic fertilizer can activate the phosphatic fertilizer, and can improve the absorption of the phosphatic fertilizer by plants, increase the utilization ratio of the phosphatic fertilizer, reduce the using quantity of the fertilizer and reduce the pollution to the environment; the fertilizer can be rapidly dissolved in water for irrigation and fertilization together with water, and is suitable for modern agricultural water and fertilization integration.

The invention discloses a mesoporous perovskite photovoltaic material and a preparation method thereof. The preparation method of the mesoporous perovskite photovoltaic material specifically comprises the following steps: (1) preparing metal halide nanometer microspheres; and (2) preparing a mesoporous perovskite photovoltaic material. The particle size of the metal halide nanometer microspheres can be adjusted through parameters such as reaction temperature. Therefore, by implementing the technical scheme in the embodiment of the invention, the aperture of the mesoporous perovskite material can be adjusted accurately. For a solar cell prepared by using the mesoporous perovskite material as the absorption layer of the perovskite solar cell, mesopores increase the contact area between the absorption layer and the hole transport layer of the solar cell, and therefore, the number of holes transported by the hole transport layer is increased when the solar cell is working, the electron-hole separation rate is increased, the electron-hole recombination rate is effectively reduced, and the photoelectric conversion efficiency is increased.

The invention discloses a perovskite-type solar cell and a preparation method. The perovskite-type solar cell sequentially consists of a transparent conductive substrate, a dense electron transmission layer, a composite light absorption layer and a metal electrode layer, wherein the composite light absorption layer is formed by a core shell structure where perovskite wraps P-type semiconductor quantum dots. Because the composite light absorption layer of the solar cell employs the core shell structure where perovskite wraps P-type semiconductor quantum dots and the perovskite fully contacts with the quantum dots, the contact area of the quantum dots with a perovskite structural layer is increased. Moreover, the advantage that the perovskite can be used as a hole transmission layer is employed, thereby improving the efficiency of light hole separation, and improving the photoelectric conversion efficiency of the cell.

The invention belongs to the field of crop fertilizers, and in particular relates to a polymerized sustained-release compound fertilizer and a preparation method thereof. The polymerized sustained-release compound fertilizer is mainly prepared by performing graft modification treatment on a polymer polyacrylic acid with gelatinized starch and humic acid, wherein in the graft modification process, humic acid is inserted into modified molecules; further adding chemical fertilizers and nutrient additives for thermal polymerization, and thus combining with a polyacrylic acid-starch-humic acid graft polymer, thereby preparing the polymerized sustained-release compound fertilizer. By adopting the polymerized sustained-release compound fertilizer disclosed by the invention, great loss of the fertilizer in soil is avoided, the utilization rate of the fertilizer is improved, the use amount of the fertilizer is reduced, the roots of plants are activated, and the absorption on the fertilizer is improved. As the graft polymer of polyacrylic acid and the starch has the water solubility, can be slowly dissolved in a soil solution and can also be degraded, environment pollution is avoided, and great meaning is achieved for improving the crop yield.

The invention relates to a special controlled-release water soluble fertilizer for grapes and a preparation method of the special controlled-release water soluble fertilizer. The controlled-release water soluble fertilizer is prepared from the following raw materials in parts by weight: 190-230 parts of ammonium nitrate, 40-60 parts of ammonium dihydrogen phosphate, 30-50 parts of triple superphosphate, 90-110 parts of monopotassium phosphate, 230-260 parts of potassium nitrate, 100-130 parts of potassium sulfate, 30-60 parts of chelated medium trace element mixture, 7-10 parts of borax and 3-6 parts of inorganic gel particle. The preparation method comprises the following steps: (1) treating monopotassium phosphate and potassium sulfate by use of the inorganic gel particle to obtain controlled-release monopotassium phosphate and potassium sulfate; and (2) mixing and dispersing the raw material components at a high speed to obtain the controlled-release water soluble fertilizer. According to the special controlled-release water soluble fertilizer for grapes, a part of phosphorus and potassium nutrients in the controlled-release water soluble fertilizer have slow release feature, so that the water soluble fertilizer is in accordance with the law of the nutrient absorption in a grape growth period, the fertilizer efficiency utilization rate of the water soluble fertilizer is improved and the controlled-release water soluble fertilizer has high market application value.

The invention discloses a perovskite type solar energy battery with a quantum dot size performing gradient change and a preparation method. The perovskite type solar energy battery consists of a transparent conductive substrate, a compact electronic transmission layer, a composite light-absorption layer and a metal electrode layer; the composite light-absorption layer consists of n layers of perovskite-wrapping P type semiconductor quantum dot core shell structures, the sizes of which can perform V type gradient changing. Because the light-absorption layer of the perovskite type solar energy battery adopts multiple layers of perovskite-wrapping P type semiconductor quantum point core shell structures with the quantum sizes performing V type gradient change, the invention can realize the fact that the composite material presents gradient distribution of the forbidden bandwidth on the vertical gradient through designing the quantum dot size V type form distribution, and expands the spectrum scope of the absorption layer. Besides, the invention can improve the interface electric field on the photocathode interface, promotes the separation of the photo-induced carrier under the electric field and improves the conversion efficiency of the photoelectron.

The invention belongs to the field of fertilizers for crops and particularly relates to a special ecological fertilizer for maca as well as a preparation method thereof. The special ecological fertilizer is prepared by mixing decomposed manure, agricultural and forestry wastes, urea, a phosphate fertilizer, potassium humate, medium trace elements, an activating agent and a water retaining slow-release agent at a certain weight ratio. A compound fertilizer with charcoal serving as the substrate is prepared by carbonizing the agricultural and forestry wastes into charcoal and fully mixing the charcoal with the decomposed manure and the chemical fertilizers. The content of total nitrogen and available phosphate in soil can be increased due to the application of the compound fertilizer. The loss of nutrients in the compound fertilizer due to elution can be reduced, and the utilization rate of the compound fertilizer can be increased. The water retaining slow-release agent is added into the compound fertilizer to form the ecological fertilizer with water retaining and slow releasing capacities. The special ecological fertilizer for maca is reasonable in formula, contains multiple balanced nutrients, is improved in utilization rate significantly and can be used for greatly improving the yield and quality of maca. In addition, the special ecological fertilizer for maca can be used for improving the environment of soil, enhancing the fertilizer retaining and supplying capacity and buffering capacity of soil, reducing pests and diseases and increasing the economic benefit of maca due to long-term application.

The invention relates to special slow-released water-soluble fertilizer for american ginseng and a preparation method thereof. The special fertilizer is prepared from urea, potassium chloride, diammonium phosphate, potassium sulphate, superphosphate, magnesium sulfate, ferric sulfate, zinc sulfate, manganese sulfate, humic acid and inorganic gel particles. The invention further relates to a preparation method of the special slow-released water-soluble fertilizer for american ginseng. According to the special fertilizer, the nitrogen phosphorus and potassium nutrients are reasonably mixed according to the characteristic of demand of growth of american ginseng on fertilizer; medium trace elements such as sulphur, magnesium and iron required by american ginseng in the growth period are added to promote the growth of american ginseng as well as improve the disease resistance of american ginseng; in addition, the nutrients of the special slow-released water-soluble fertilizer for american ginseng is slowly released, which meets the nutrient absorbing rules of american ginseng in the growth cycle, and the effects of increasing the yield and improving the quality of american ginseng are achieved; meanwhile, the utilization rate of water-soluble fertilizer property is increased.

The invention relates to the field of flame retardant master batches, in particular to a high-fluidity flame retardant master batch and a preparation method thereof. Fire retardant intercalated materials are packaged into an inorganic substance of the two-dimension sheet structure, and then are prepared into the high-fluidity flame retardant master batch by the aid of spherical inorganic particles. Fire retardant is protected through the two-dimension sheet structure so that good stability can be achieved, and the mobility is excellent under the assisting action of the two-dimension sheet structure and the spherical particles. The obtained flame retardant master batch has high fluidity, and the defect that an existing flame retardant master batch uses a lubricating agent like paraffin and thus the flame retardant property is lowered is overcome. When the high-fluidity flame retardant master batch is used for plastic products, good dispersity can be achieved, precipitation of the fire retardant is effectively prevented, and thus the fire resistance, processability and appearance performance of the flame retardant plastic products can all be improved.

The invention relates to a flue-cured tobacco flavor electronic cigarette atomization liquid and a preparation method thereof and provides a composition. The composition is prepared from the followingcomponents in parts by weight: 0.5 to 1.5 parts of flue-cured tobacco water extract, 1 to 5 parts of flue-cured tobacco ethanol extract, 3 to 7 parts of a flue-cured tobacco Maillard reactant, 0.01 to 0.5 part of a flue-cured tobacco molecular distillation light component, 0.5 to 2 parts of an organic acid and 1 to 2.5 parts of nicotine. The electronic cigarette atomized liquid containing the composition has the beneficial effects that the tobacco aroma is mellow and prominent, the characteristic style is vivid to restore, the hygienic safety standard is met, and the practical application purposes that the electronic cigarette liquid is clear, light in color and luster, free of precipitates and long in shelf life are achieved.

The invention discloses a detection debugging method of an autonomous vehicle throttle control system. The method includes steps: A, selecting a to-be-detected autonomous vehicle throttle control system; B, setting a driving mode through a button input module of a detection debugging system, wherein the driving mode comprises a manual driving mode and an automatic driving mode; C, entering the manual driving mode for a function test, and determining whether functions of a throttle pedal switching module and a microcontroller module in the manual driving mode are normal; and D, entering the automatic driving mode for the function test, wherein D1, the detection debugging system simulates the vehicle functions and determines whether a CAN network interface and a host computer communication interface which are to be detected are normal, and D2, the detection debugging system simulates the functions of a host computer and determines whether the functions of the microcontroller module and the throttle pedal signal switching module in the automatic driving mode, a throttle pedal simulation signal generation module and a reference voltage module are normal. According to the detection method, the test is simple, and the test efficiency is high.

The invention discloses an oil-resistant silicone rubber composite. The components of the composite include fluorine-containing copolymer silicone rubber, hydroxy terminated fluorosilicone oil, simethicone, wollastonite and mica. Compared with the existing oil-resistant rubber, the composite has the advantages that the fluorine-containing copolymer silicone rubber and the hydroxy terminated fluorosilicone oil are adopted, the oil resistance is improved greatly, and the fine oil resistant effect is achieved; furthermore, the wollastonite and mica are adopted, the oil resistance is improved, the cost is lowered, and the market application value is provided. Compared with conventional oil-resistant rubber prepared through vinyl silicone rubber, the oil-resistant rubber prepared through fluorine-containing copolymer silicone rubber has the advantages of better oil resistance and physical properties and higher stability. The oil resistance is detected according to the GB / T1690-2006 standard, and the volume change rate is not greater than 25%.

The invention relates to potassium fertilizer granules and a granulating method thereof. The potassium fertilizer granules are characterized by comprising the following raw materials in percentage by weight: 85%-90% of potassium chloride or potassium sulfate powder, 7%-14% of thermoplastic starch, 0.4%-1.8% of a dispersant and 0.4%-1.8% of a surface treatment agent, wherein the total weight percent of the raw materials is 100%. According to the granulating method, the granulating operation of a potassium fertilizer is finished through a double-screw extruder, and the potassium fertilizer and the thermoplastic starch are uniformly dispersed in the double-screw extruder under the action of an assistant and are mixed, coupled, compressed, extruded and diced. The granulating method comprises the following concrete steps: a, grinding; b, dosing; c, blending; d, mixing; e, granulating; f, cooling; g, screening; h, packaging to obtain the qualified potassium fertilizer granules. The method is simple in process and low in cost, and can be used for continuous production; the obtained potassium fertilizer granules are regular, uniform in nutrition dispersion and high in intensity, and have market application values.

The invention belongs to the field of crop fertilizers, and particularly relates to an ecological fertilizer special for Chinese angelica and a preparation method of the ecological fertilizer. The special ecological fertilizer is prepared from decomposed cow dung, guano, rape seed cake, monosodium glutamate residue, chitosan, urea, potassium humate, fly ash, sodium selenite, nickel sulfate, manganese sulfate, zinc sulfate, copper sulfate, boric acid, an active factor and a soil conditioner according to certain weight ratio. The special ecological fertilizer is reasonable in formula and comprehensive and balanced in nutrition, provides slow release nitrogen, phosphate fertilizer and quick-acting potash fertilizer for growth of Chinese angelica, obviously improves the fertilizer effect utilization ratio, reduces the early-stage bolting rate of Chinese angelica, and increases the fresh weight of one piece of Chinese angelica; the active factors are added into the fertilizer, so that biosynthesis of a nutrient substance, namely ferulic acid, at the root part of Chinese angelica can be promoted, and the content of ferulic acid can be increased; meanwhile the soil conditioner in the fertilizer can improve the soil environment, so that disease and pest damage can be reduced, and the economic benefits of Chinese angelica can be improved.

The invention discloses a urine multi-index detection microfluidic device. The device includes the following parts: an inlet channel, which is located in the upstream of the device; two or more flow channels, which are communicated with the inlet channel and located in the downstream of the inlet channel; a reaction zone, which is located in the flow channel, and includes analysis test paper; a liquid collection chamber, which is in the downstream of the reaction zone and communicated with the downstream end of the flow channel. An upper passageway formed by the inlet channel, the flow channel, the reaction zone and the liquid collection chamber comprises a first passageway layer and a middle layer. A plurality of layers can operate to detect multiple indexes; and the processes of urine taking, reaction, detection and analysis can be completed in a short time, so as to greatly simplify the operation steps, save time and increase the efficiency. In addition, the invention also discloses a preparation method of the device. The method adopts a piece of three-dimensional drawing software to design a passageway model and combines with the three-dimensional printing passageway model, so as to prepare the device in a rapid and cost-saving way.

The invention discloses a high-wear-resistance PVDF (Polyvinylidene Fluoride) coating for a solar cell back sheet and a preparation method of the PVDF coating. The coating is prepared from the following raw materials in parts by weight: 80-85 parts of PVDF, 10-14 parts of methyl methacrylate, 4-8 parts of dodecafluoroheptyl methacrylate, 5-9 parts of diphenylmethane diisocyanate, 13-17 parts of hydroxyethyl methacrylate, 5-9 parts of benzoyl peroxide, 3-6 parts of dibutyltin dilaurate, 7-11 parts of olefinic acid, 3-6 parts of a flatting agent, 3-8 parts of dipropylene glycol monomethyl ether, 2-5 parts of zirconium oxide, 4-8 parts of polydimethylsiloxane and 2-4 parts of N-methyl-2-pyrrolidone. The coating has the advantages of good weather resistance and water vapor barrier property as well as better wear resistance and adhesion force and the preparation method has the advantages of simple production process, low production cost, environment friendliness, easiness in transportation, storage and industrial production and has market application values.

The invention discloses a detection and debug system for an accelerator control system of an automatic driving automobile and a platform. The detection and debug system comprises a debug control module, a liquid crystal display module, a key input module, a state indicating module, an RS232 communication module, a CAN communication module, an accelerator pedal interface, an automatic driving accelerator control system interface module, and a power module. The accelerator pedal interface is externally connected to an accelerator pedal position sensor in the accelerator pedal device, and is connected to the automatic driving accelerator control system interface module; The automatic driving accelerator control system interface module is also connected to the RS232 communication module and the CAN communication module, and is externally connected to an automatic driving accelerator control system, an accelerator pedal signal measuring interface, and a dual DC digital voltmeter, respectively. The debug control module is connected to the liquid crystal display module, the key input module, the status indicating module, the RS232 communication module, and the CAN communication module, respectively. According to the detection and debug system for an accelerator control system of an automatic driving automobile and a platform, the circuit function test for the automatic driving accelerator control system can be performed, and the test operation is convenient and the visibility is good.

The invention belongs to the field of fertilizers for crops and more particularly relates to a special ecological fertilizer for improving the content of scutellarein glucoside of codonopsis pilosula. The special fertilizer is prepared from sugar beet pulp, astragalus smicus, bean dregs, potassium hydroxide, composted sheep excrement, composted chicken excrement, peat moss, urea, ammonium polyphosphate, monopotassium phosphate, ammonium molybdate, copper sulfate, zinc sulfate, rare earth elements and an active inducer. According to the special ecological fertilizer, charcoal formed by carbonization of forestry and agricultural residues is sufficiently mixed with the composted farmyard manure and chemical fertilizers to form a mixed fertilizer with the charcoal as a matrix, and therefore the utilization rate of the fertilizer is increased; meanwhile, the active inducer capable of increasing secondary metabolite of the codonopsis pilosula is added to the mixed fertilizer to increase active substances of the codonopsis pilosula and improve the quality of the codonopsis pilosula. The special ecological fertilizer is reasonable in formula and completely balanced in nutrition, and has a relatively high market value, and the yield and the quality of the codonopsis pilosula are greatly improved.

The invention discloses an aluminum gallate-based fluorescent material. The aluminum gallate-based fluorescent material adopts a chemical formula of M1-xAlyGazO4:xRE, wherein M is at least one of Ca (calcium), Sr (strontium) and Mg (magnesium); RE is at least one of Eu3+ (europium), Sm3+ (samarium) and Tb3+ (terbium); x, y and z are atom molar ratios of the elements in material composition, x is greater than 0 and is smaller than 0.15, y is greater than or equal to 0.8 and is smaller than or equal to 1.2, and z is greater than or equal to 0.8 and is smaller than or equal to 1.2. When Eu3+, Sm3+ and Tb3+ are singly doped, the obtained red fluorescent material, orange fluorescent material and green fluorescent material can be respectively excited at high efficiency in the 300-500nm waveband, and can be well matched with ultraviolet, near-ultraviolet chips or blue light chips. The aluminum gallate-based fluorescent material has the advantages that by adopting the same matrix material, the broadband multi-color emitting in the 500-700nm waveband can be realized, the wavebands of blue-green light, green light, orange light and red light are covered, the problem of instable light color caused by different attenuation rates of multiple matrixes in the same LED (light emitting diode) device is solved, and the light color stability and color rendering property of the LED are improved.

The invention discloses a hollow and echinoid nanometer material of copper oxide compounded with gold and a preparing method of the nanometer material. In a preparation process, copper chloride, sodium hydroxide, ascorbic acid and chloroauric acid which are friendly in environment and can be obtained conveniently and easily are utilized to be raw materials, and an aqueous-phase synthesis preparing method of the nanometer material with a multilevel structure of copper oxide compounded with gold is provided, wherein the preparing method is simple to operate, high in productivity, low in cost, green and environment-friendly. An obtained material is the nanometer material with the multilevel structure of the copper oxide compounded with gold, appearance is hollow and echinoid, and the size is uniform. The material prepared through the preparing method is applied to a gas sensor.

The invention relates to a novel MOFs (metal organic frameworks)-based composite supercapacitor electrode, and preparation and application of the novel MOFs-based composite supercapacitor electrode. The novel MOFs-based composite supercapacitor electrode comprises MOFs / PANI (polyaniline), polytetrafluoroethylene (PTFE) and ketjenblack. A method for preparing the novel MOFs-based composite supercapacitor electrode includes preparing turbid liquid; preparing composite materials with the MOFs and polyaniline oligomers; preparing composite systems with the polyaniline deposited in the MOFs; preparing the novel MOFs-based composite electrode. The novel MOFs-based composite supercapacitor electrode, the preparation and the application have the advantages that the method includes simple processesand is good in feasibility; the novel MOFs-based composite supercapacitor electrode is made from wide varieties of raw materials, the raw materials are low in cost, and design spaces for active MOFsstructures are high in freedom.

The invention discloses a macro-element solid water-soluble fertilizer and a preparation method thereof. The macro-element solid water-soluble fertilizer is prepared from, in weight percent, 25%-35% of urea, 10%-15% of potassium nitrate, 10%-18% of ammonium polyphosphate, 10%-20% of dipotassium phosphate, 2%-4% of boric acid, 1%-3% of magnesium sulfate, 1%-3% of zinc sulfate, 0.5%-2% of copper sulfate, 0.5%-2% of manganese sulfate, 5%-10% of amino acid powder, 4%-8% of dispersants and 1%-3% of cosolvents. Polystyrene-maleic anhydride grafted methoxy polyethylene glycol copolymer is used as thedispersants used with lignosulfonate, alkyl naphthalene sulfonated formaldehyde condensates and the polystyrene phenol phosphate cosolvents, inter-particle steric hindrance is enlarged, fertilizer particles are easily directionally arranged in water and gain good dispersibility and wettability in the water, and caking of the fertilizer during storage can be effectively prevented. The macro-element solid water-soluble fertilizer is simple to produce, low in cost, environmentally friendly, free of pollution and applicable to large-scale production and has market application values.

The invention belongs to the field of crop fertilizers, and in particular relates to a slow-release potassium sulfate fertilizer and a preparation method thereof. The preparation method of the slow-release potassium sulfate fertilizer mainly comprises the following steps: mixing and dissolving acrylic acid, acrylamide, a crosslinking agent and potassium sulfate, then adding an initiating agent to initiate free radical polymerization, then adding a load strengthening agent to form high-load slow-release potassium sulfate, then performing radiation treatment by using an NH3 plasma, and introducing amino groups for increasing the fertilizer efficiency of the fertilizer. Slow-release potassium sulfate disclosed by the invention has quick-acting and slow-release functions, a quick-acting part can be used for rapidly acting on crops and promoting the growth of the crops, and a slow-release part can perform slow release, so that the great loss of the potassium sulfate fertilizer in soil can be prevented, the utilization rate of the fertilizer can be improved, and the consumption of the fertilizer can be reduced. Meanwhile, the added amino groups can be used for increasing the fertilizer efficiency of the fertilizer, activating the roots of plants, promoting the absorption of crops to the fertilizer and improving the quality of products. The slow-release potassium sulfate fertilizer disclosed by the invention can be dissolved in water, is suitable for water-soluble fertilizers, is environment-friendly, cannot cause pollution, and has positive significance in promoting the increase of the crop yield.

The invention discloses thermoplastic calcium carbonate toughening particles. The particles are characterized in that nano porous calcium carbonate is used as a main raw material; thermoplastic resin is networked in pores of the nano porous calcium carbonate and is tightly connected with outer resin of calcium carbonate particles to form a wrapping layer. In particular, the nano pores are through holes; the thermoplastic resin is uniformly and firmly fixed in the pores of the calcium carbonate particles and on the surfaces of the calcium carbonate particles; and the surface resin does not fall. Therefore, the dispersity and toughness of nano calcium carbonate in plastic are favorably improved, and the agglomeration of nano particles is hindered, so that the toughening effect of the nano calcium carbonate is exerted to the maximum extent.

The invention provides modified epsilon-polylysine and a preparation method thereof, and application of the modified epsilon-polylysine in turbot preservation, belonging to the field of food preservation. The invention particularly provides the preparation method and a structural formula of the modified epsilon-polylysine, and the application of the modified epsilon-polylysine in turbot preservation. The preparation method has the beneficial effects of simple process and easy experimental operation. The antibacterial activity and fresh-keeping performance of the modified epsilon-polylysine areobviously superior to the antibacterial activity and fresh-keeping performance of epsilon-polylysine; the antibacterial aging of the modified epsilon-polylysine is obviously superior to the antibacterial aging of epsilon-polylysine; and the modified epsilon-polylysine can effectively prolong the shelf life of turbots.

The invention discloses an intelligent control method for hot water of hotel. The method comprises the steps of storing water consumption information of a customer by means of cloud, and using the identity card number of a checking-in customer as a unique account number; in first checking-in the hotel by the customer, establishing the account number by means of a hotel foreground control system, and transmitting an account number initial setting standard recommending temperature to an intelligent constant-temperature device of a customer checking-in room; after water consumption, determining whether a water consumption temperature at this time is updated, if yes, transmitting data to the cloud for updating; and when the customer enters the hotel and uses an identity card for registering again, logging on the account number by means of the hotel foreground control system, simultaneously calling the water consumption information of the consumer from the cloud and transmitting the water consumption information to the intelligent constant-temperature device, and automatically setting a water outlet temperature by the intelligent constant-temperature device according to an embodiment temperature and the water consumption information of the customer, wherein the water consumption information is called from the cloud. When the customer checks in the hotel, temperature adjustment is not required in bathing, and most appropriate hot temperature can be used through opening a sprinkler. The invention further discloses an intelligent control system for hot water of the hotel.

The invention belongs to the field of crops fertilizers and in particular relates to an ecological functional phosphatic fertilizer and a preparation method of the ecological functional phosphatic fertilizer. The ecological functional phosphatic fertilizer is mainly prepared from phosphatic fertilizer, organic wastes and an ecological function conditioner; the organic wastes are treated firstly, and then are subjected to conjugation reaction with the phosphatic fertilizer under the existence of an active agent to form the ecological functional phosphatic fertilizer. The ecological functional phosphatic fertilizer adopts the organic wastes as main organic matters, the organic wastes are combined with the phosphatic fertilizer to increase the moving distance of the phosphatic fertilizer in the soil, the phosphatic fertilizer is prevented from being immobilized by metal ions such as iron ion, aluminum ion and the like in the soil, the soil can be improved, the soil aggregated structure is increased, the organic matters in the soil are improved, the soil caking phenomenon is improved, the microorganism activity is improved, the stress-resistant, disease-resistant, drought-resistant and water-retaining capacity of the crops is improved, while the phosphatic fertilizer is provided, the organic wastes can be reasonably utilized, the resources can be reasonably utilized, the environment burden is reduced and the ecological functional phosphatic fertilizer is environment-friendly.

The invention discloses a urine multi-index detection microfluidic device. The device includes the following parts: an inlet channel, which is located in the upstream of the device; two or more flow channels, which are communicated with the inlet channel and located in the downstream of the inlet channel; a reaction zone, which is located in the flow channel, and includes analysis test paper; a liquid collection chamber, which is in the downstream of the reaction zone and communicated with the downstream end of the flow channel. An upper passageway formed by the inlet channel, the flow channel, the reaction zone and the liquid collection chamber comprises a first passageway layer and a middle layer. A plurality of layers can operate to detect multiple indexes; and the processes of urine taking, reaction, detection and analysis can be completed in a short time, so as to greatly simplify the operation steps, save time and increase the efficiency. In addition, the invention also discloses a preparation method of the device. The method adopts a piece of three-dimensional drawing software to design a passageway model and combines with the three-dimensional printing passageway model, so as to prepare the device in a rapid and cost-saving way.

The invention discloses a paint composition for a solar cell back plate and a preparation method thereof. The paint is prepared from the following raw materials in parts by weight: 80-85 parts of perfluorooctyl ether, 10-14 parts of methyl methacrylate, 4-8 parts of coumatone resin, 5-9 parts of titanium propoxide, 13-17 parts of colloid silicon dioxide, 5-9 parts of acrylonitrile, 3-6 parts of dibutyltin dilaurate, 7-11 parts of an olefin acid, 3-6 parts of a levelling agent, 3-8 parts of cobalt naphthenate liquid, 2-5 parts of zirconium oxide, 4-8 parts of poly(vinyl formal), and 2-4 parts of acrylic acid. The paint has good weatherability and steam obstruction property, and also has relatively good wear resistance and adhesive force. The production technology is simple, the production cost is low, and the paint is easy to transport and store, is easy for industrialized production and has market application value.

The invention discloses a preparation method for medical gauze for promoting healing and belongs to the technical field of medical supplies. The method comprises the following steps: firstly, preparing a magnetic far infrared ceramic; soaking and slightly corroding with marsh gas rich in microorganisms; performing liquid nitrogen freezing and crushing; modifying the surface with natural resin peach gum; adding natural resin grains on the surface, thereby increasing the compatibility between the powder and the polyester matrix; performing melt spinning, thereby acquiring a magnetic far infrared polyester fiber; and finally, weaving into the medical gauze. According to the invention, the medical gauze is utilized to simultaneously emit far infrared rays and magnetic lines which can synergistically promote the wound tissue angiectasis, quicken metabolism, promote blood microcirculation and absorption of inflammatory exudates between tissues and accelerate growth of granulation and epithelial cells, so that the medical gauze can promote the wound healing and has excellent application prospects.