33results about How to "Inexpensive and environmentally friendly" patented technology

The invention discloses a hollow honeycomb MnO2 / C micro nanosphere and microrod preparation method. The preparation method comprises the following steps: (1) purifying carbon material; (2) adding manganese salt into deionized water, adding the purified carbon material after resolution, then adding potassium permanganate and mixing, and transposing the mixture in a hydro-thermal reaction kettle; (3) placing the hydro-thermal reaction kettle into a baking oven, and cooling the mixture to the ambient temperature after reaction for 1-15 hours under the hydro-thermal condition to obtain a hydro-thermal reaction product; and (4) repeatedly washing and filtering the hydro-thermal reaction product through the deionized water, then drying the obtained product, taking out the dried product and grinding to obtain hollow honeycomb MnO2 / C micro nanospheres and microrod materials shaped like bird' nests for super capacitors. The preparation method adopts a simple preparation technology, achieves short synthesis time and can prepare the hollow honeycomb MnO2 / C micro nanospheres and microrod materials. The hollow honeycomb MnO2 / C micro nanospheres are porous on the surface, adopt special hollow structures and have the diameter of about 500nm; and the microrod MnO2 has the diameter of about 30nm and the length of about 5um.

The invention discloses a Magneli phase titanium oxide nanowire array and a preparation method thereof. The component of the prepared array is a Magnel phase Ti8O15 nanowire, wherein the diameter of the nanowire is 20-100nm and the length of the nanowire is 50nm-5 microns. The preparation method comprises the following main steps: etching and cleaning the surface of metallic titanium; and by taking metallic titanium oxide as an oxygen source, treating titanium oxide powder at a high temperature in a hydrogen atmosphere, and cooling to form a black film on the surface of metallic titanium to obtain the material. The method disclosed by the invention is simple in preparation process and low in cost, and the prepared Magneli phase titanium oxide nanowire array can be used as an electrode material, an electrode supporting material and a catalyst carrier material and has a wide application prospect in the electrochemical and photoelectrochemical fields.

The invention discloses a preparation method for a novel lithium vanadium phosphate / bamboo charcoal composite cathode material. The preparation method comprises the following steps of: uniformly mixing vanadium pentoxide, lithium hydroxide or lithium fluoride or lithium carbonate or lithium acetate, ammonium dihydrogen phosphate or phosphoric acid, salicylic acid or citric acid or ascorbic acid or tartaric acid or sucrose, and bamboo charcoal in proportion; evaporating water in a 50-80 DEG C water bath to form a sol; drying the sol in a vacuum drying oven for 8 hours at 120 DEG C to obtain a lithium vanadium phosphate precursor; cooling the lithium vanadium phosphate precursor to room temperature, grinding the precursor and putting the ground precursor into a die to prepare a cake under a certain pressure; putting the cake into a porcelain boat, and covering conductive carbon black (SP) powder on the cake; heating the cake in a microwave oven for a certain period of time; cooling the cake to room temperature; and taking the cake out, and grinding the cake to obtain a bamboo charcoal coated lithium vanadium phosphate / bamboo charcoal composite material sample, thus forming a bamboo charcoal connected conductive network. When used as a cathode material of a lithium ion power battery, the novel lithium vanadium phosphate / bamboo charcoal composite cathode material has the advantages of high capacity and magnification, long service life, low price and environmental friendliness.

There is provided with a method for manufacturing an isoxazole derivative at a high yield and without discharging waste products, and a novel isoxazole derivative. An isoxazole derivative expressed by Formula (8) is produced by reacting a 1-alkyne compound expressed by Formula (7) with iron(III) nitrate in the presence of acetone or acetophenone: (where R1 is an alkyl, cycloalkyl, phenyl, or other such group); and (where R2 is a methyl or a phenyl).

The invention discloses a degradable lignin-based composite agricultural mulching film and a preparation method thereof. The lignin-based composite agricultural mulching film is prepared by blending and casting the following components in parts by weight: 60-95 parts of aliphatic polyester resin, 1-40 parts of modified lignin or lignin, 0.1-1 part of a coupling agent, 0.1-1 part of an anti-blocking agent, 1-5 parts of a plasticizer and 1-3 parts of a dispersant. According to the invention, the lignin is used as a raw material, and the compatibility of the lignin with matrix resin is improved by modifying the raw material lignin; and the prepared mulching film is brown and semitransparent in appearance and smooth and uniform in texture, a degradation period of the mulching film is controlled to be 2-24 months, the mechanical property and degradation property of the mulching film are excellent, and the mulching film is applicable to the fields of agricultural materials, packaging materials, environment-friendly bags, civil greening nets, seed culture belts and the like. The mulching film disclosed by the invention not only has good mechanical properties, but also has warming, soil-moisture-retaining, insect-preventing and weeding effects of and the like, and can be applied to crops such as rice, corn, cotton, sugarcane, vegetables and the like.

The invention relates to the field of metallurgy, and specifically relates to a coating for magnesium alloy metal mold casting as well as a preparation method and applications thereof. The coating for magnesium alloy metal mold casting disclosed by the invention comprises the following compositions in percentage by mass: 10-45% of CaCO3, 5-25% of graphite powder, 1-15% of weak acid, 0.1-10% of suspending agent, and the balance of water. The coating disclosed by the invention can be used for effectively solving the problem that magnesium alloys are easily oxidated and burned; in the process of casting, the coating not only can ensure the forming of castings, but also can form a protective atmosphere, thereby ensuring that magnesium alloys do not produce reactive slag blowholes in the processes of mold filling and solidification; the coating can be specially used for magnesium alloy metal mold casting, and the quality of produced magnesium alloy castings is far higher than that of common coatings; and the coating is low in cost and extremely has a market value.

The invention discloses a preparation method of a high-mechanical-durability environment-friendly super-hydrophobic coating layer, belonging to the technical field of preparation of coating layers. The preparation method comprises the steps of synthesizing waste edible oil fatty acid amide from filtrated and purified waste edible oil through aminolysis reaction, preparing a polyurethane prepolymerfrom waste edible oil fatty acid amide and toluene diisocynate by virtue of a one-step method, carrying out end capping on the polyurethane prepolymer by virtue of a double-end ammonia hydrocarbyl silicone oil so as to obtain modified polyurethane, mixing organic silicon modified polyurethane and hydrophobically treated silicon carbide particles, magnetically stirring, spraying the mixture to a substrate, and drying for solidification, so as to obtain the super-hydrophobic coating layer. The coating layer prepared by virtue of the method is low in cost and environment-friendly, and has good heat conductivity, wear resistance and self-cleaning performance, the dust pollution problem relevant to fins of a mining air cooler can be solved, and the heat exchange efficiency of the air cooler inthe use process is guaranteed.

The invention discloses plane artificial marble paint, prepared from the following components in percentage by weight: 30%-35% of water, 0.15%-0.25% of preservative, 1.0%-2.0% of propylene glycol, 2.0%-3.0% of retardant, 0.15%-0.25% of defoamer, 0.2%-0.3% of dispersant, 0.2%-0.3% of wetting agent, 0.6%-0.9% of cellulose, 5.0%-8.0% of titanium pigment, 5.0%-8.0% of water washed kaolin, 5.0%-8.0% of coarse whiting, 0.1%-0.2% of pH regulator, 1.5%-2.0% of coalescing agent, 0.3%-0.5% of mildew inhibitor, 20%-25% of slow curing resin and 25%-30% of emulsion. The effect of artificial marble can be achieved by using the plane artificial marble paint, and the artificial marble has stronger ornamental value; the plane artificial marble paint has the characteristics of good leveling property, no odor, environment protection and the like; a perfect marble effect can be achieved by using the plane artificial marble paint through the working procedures; and the plane artificial marble paint is cheap in price and is environment-friendly.

The invention discloses a single unit three-dimensional digital film projecting system based on the chromatographic fractionating technology, and the system includes a digital film projector, a projection lens mounted at the output end of the digital film projector, receiving end three-dimensional glasses worn by audiences, a digital three-dimensional film editing software, a digital playing server, and a screen for the digital film projector to project, wherein the projection lens is a 3D projection lens with three optical axes; a projecting end multi-bandpass narrow-band pass filter is mounted at the image input end of the 3D projection lens with the three optical axes, the passed spectrum bands do not coincide or complement and correspond to an optical channel of the 3D projection lens with the three optical axes; the lens of the receiving end three-dimensional glasses worn by the audiences is the multi-bandpass narrow-band pass filter; and the digital three-dimensional film editing software can join the left-eye image and the right-eye image into an integral image in upper-lower or left-right sequence. The invention has the characteristics that the three-dimensional image is vivid and bright in color, and the watchers are very comfortable to watch.

The present invention provides a preparation method of an organic-inorganic composite separator material, and an organic-inorganic composite separator material and application thereof. Plant celluloseis coated with Al2O3, the plant cellulose extracted from straws is taken as raw materials, a cellulose separator is prepared by employing a spin-coating method, and the prepared separator is coated with a layer of Al2O3 ceramic material. The heat stability of the cellulose separator is obviously superior to that of a polyolefin separator, and the cellulose separator is low in cost and environmentally friendly. A ceramic separator has a good heat-resistance performance and can effectively avoid the heat shrinkage effect. Therefore, the lithium-ion battery separator prepared by combining the plant cellulose and the ceramic material has the better high-resistance stability. The preparation process of the separator is relatively simple and easy to operate.

A hydraulic device is provided herein. The hydraulic device mainly contains a reservoir having an airbag inside. The reservoir is provided with an inlet pipe and a plurality of outlet pipes, both extended from a top side of the reservoir. The inlet pipe receives water from a pumper and fills the reservoir via a back-pressure valve. The airbag expands by the air driven by an air compressor to force water from the reservoir into the outlet pipes. When the water level of the inlet pipe is higher than that of the outlet pipes, due to the siphon principle, water will continuously flows from the inlet pipe, through the vacuumed reservoir, into and then out of the outlet pipes. The water poured out of the outlet pipes can be utilized for hydroelectricity or irrigation.

The invention belongs to the technical field of functional nano materials, and particularly relates to a preparation method and application of nanocrystalline tungsten bronze. A solid-phase reaction method is adopted, one or more of an alkali metal compound, an alkaline earth metal compound and a rare earth compound and tungstate are dissolved in water, the mixture is stirred and mixed evenly and then placed in a drying oven to be dried, an obtained solid product is placed in a high-temperature furnace filled with nitrogen and hydrogen mixed gas, a reaction is carried out for 10-1200 min at the temperature of 400-1200 DEG C, then the solid product is placed in inert gas to continue to react for 10-1200 min, and a product is obtained. The nanocrystalline tungsten bronze is obtained. The raw materials used in the preparation method are low in cost and environmentally friendly, the prepared nanocrystalline tungsten bronze is small in particle and good in transparency and heat insulation stability, the preparation process is simple, and large-scale production is easy.

The invention relates to a brain heart smoothing oral liquid and a preparation method thereof. The method comprises the following steps of (1) primary fermentation of armillaria ostoyae; (2) secondary fermentation of the armillaria ostoyae; (3) third-stage fermentation of the armillaria ostoyae; (4) treatment of an armillaria ostoyae fermentation liquid; (5) preparation of the brain heart smoothing oral liquid. The method comprises the steps of heating and refining taken 450g of honey (90-100 DEG C), filtering, cooling and mixing with ground royal jelly evenly; and adding an armillaria ostoyae concentrated solution, 3g of sodium benzoate and an ethanol solution of an essence obtained in the step (4), mixing evenly, adjusting until the total quantity is 1,000ml, stirring evenly and filtering.

The invention discloses a method for removing boron and phosphorus in wastewater by coupling shell powder, and relates to a method for removing boron and phosphorus in wastewater. The invention aims to solve the technical problems of consumption of a large amount of precipitant, slow reaction, high sludge yield, high cost, membrane pollution, secondary pollution easily caused by loss of an extraction agent, high consumption of an adsorbent, difficulty in regeneration, easiness in loss and biotoxicity in the conventional boron removal method. The raw material used in the method is waste oyster shell, the waste oyster shell is rich in source and low in price, and the problem of solid waste treatment can be solved. The method provided by the invention has large adsorption capacity on boron and phosphorus, can be used under medium-high boron concentration, and has a good removal effect on phosphorus. The method is simple to operate, low in treatment cost and free of toxic and harmful substances. The coupling material prepared by the preparation method disclosed by the invention is relatively good and stable in biocompatibility, can be reutilized, and meets the requirements of green and clean production.

The invention provides sulfurgypsum for a ceramic mold and a preparation method of the sulfurgypsum. Monohydrate gypsum and dihydrate gypsum in sulfurgypsum can react to be converted into dihydrate gypsum through a flash burning process, the generated dihydrate gypsum is in a beta-type crystal morphology, organic impurities are converted into gas through high temperature to be exhausted, and therefore the harm of the organic impurities to the performance of the gypsum is eliminated. Sulphur impurities in the sulfurgypsum can be further removed through a desulfuration process. The obtained sulfurgypsum is modified by adding a retarder, and the sulfurgypsum can be applied to the ceramic mold. The sulfurgypsum prepared through the preparation method of the sulfurgypsum for the ceramic mold is compact in hardening structure, high in strength and good in water absorption performance, and meanwhile has certain corrosion resisting performance and abrasion resisting performance, when the sulfurgypsum is used for preparing the ceramic mold, the sulfurgypsum cannot be blackened, or dried too fast, and moulding is easy. The preparation method of the sulfurgypsum for the ceramic mold is simple in process and suitable for large-scale production.

According to an example aspect of the present invention, there is provided a dispersant comprising alkaline-O2 oxidized lignin. Such dispersant may be used for example in inorganic pigments to reduce interactions between pigment particles and lower the viscosity of pigment mixtures, and thereby positively affect for example to the loading of fillers and pigments in paints and coatings, paper and board, constructions materials, printing inks and plastics. Dispersants may also be used in aiding the inorganic pigment grinding in the pigment mine. Another suitable use is as a plasticizer or as a retardant agent for construction materials, such as gypsum.

A roadway excavation method for electrode directional impact operation, in which a borehole is opened on the roadway excavation surface; one borehole is opened in the center as the first group of boreholes; six boreholes are arranged outside the central borehole as the second group of boreholes, Eight drill holes are arranged outside the second group of drill holes as the third group of drill holes; sixteen drill holes are arranged outside the third group of drill holes as the fourth group of drill holes; Carry out rock-breaking operations with technology; carry out rock-breaking operations for holes drilled between the first and second groups of holes; carry out rock-breaking operations for any two adjacent holes in the second group of holes; carry out the second and third groups of holes Rock-breaking operations for drilling holes between groups of drilling holes; performing rock-breaking operations for any two adjacent drilling holes in the third group of drilling holes; performing rock-breaking operations for drilling holes between the third and fourth groups of drilling holes; Carry out the rock-breaking operation of any two adjacent drilling holes in the fourth group of drilling holes; clean up the rock and continue the follow-up rock-breaking operation. The method has simple steps, high excavation efficiency and low cost.

The invention discloses a conductive ceramsite filler for a bio-trickling filter. The conductive ceramsite filler comprises the following components in parts by weight: 40-50 parts of activated carbon powder, 20-30 parts of iron oxide powder and 30-50 parts of clay. The preparation method comprises the following steps: uniformly mixing the activated carbon powder, the iron oxide powder and the clay, standing for 20-30 hours, putting into a vacuum pug mill for treatment, standing the treated pug for 18-24 hours, granulating to obtain pug granules with the diameter of 8-12 mm, naturally air-drying and shaping the pug granules, drying again, and finally firing at high temperature to obtain the conductive ceramsite filler for the bio-trickling filter. The filler is low in raw material price, environmentally friendly and low in production cost, the prepared filler is high in specific surface area and porosity and has excellent conductivity and mechanical strength, and the problems that in the prior art, a conductive filler for a bio-trickling filter is insufficient in specific surface area and porosity and poor in adsorption performance are solved.

An extract of fleece flower root containing 2, 3, 5, 4'-tetrahydroxy distyrene-2-0- beta-D-heteroside (not less than 50%) preparing the medicines to prevent and treat atherosclerosis is prepared through conventional extracting, chromatography by polyamide column, eluting, concentrating and drying.

The invention discloses a preparation method for a novel lithium vanadium phosphate / bamboo charcoal composite cathode material. The preparation method comprises the following steps of: uniformly mixing vanadium pentoxide, lithium hydroxide or lithium fluoride or lithium carbonate or lithium acetate, ammonium dihydrogen phosphate or phosphoric acid, salicylic acid or citric acid or ascorbic acid or tartaric acid or sucrose, and bamboo charcoal in proportion; evaporating water in a 50-80 DEG C water bath to form a sol; drying the sol in a vacuum drying oven for 8 hours at 120 DEG C to obtain a lithium vanadium phosphate precursor; cooling the lithium vanadium phosphate precursor to room temperature, grinding the precursor and putting the ground precursor into a die to prepare a cake under a certain pressure; putting the cake into a porcelain boat, and covering conductive carbon black (SP) powder on the cake; heating the cake in a microwave oven for a certain period of time; cooling the cake to room temperature; and taking the cake out, and grinding the cake to obtain a bamboo charcoal coated lithium vanadium phosphate / bamboo charcoal composite material sample, thus forming a bamboo charcoal connected conductive network. When used as a cathode material of a lithium ion power battery, the novel lithium vanadium phosphate / bamboo charcoal composite cathode material has the advantages of high capacity and magnification, long service life, low price and environmental friendliness.

The invention provides an alternating current asynchronous gearless speed change tractor. The tractor comprises a three-phase asynchronous motor, and a traction wheel fixed to an output shaft of the three-phase asynchronous motor. The three-phase asynchronous motor is further provided with an encoder, and a brake for having a braking effect on a traction wheel shaft. The three-phase asynchronous motor comprises a stator shell, a stator arranged in the stator shell, and a rotor arranged on an outer ring of the output shaft. A front end cover and a rear end cover are arranged at the two ends ofthe stator shell correspondingly. The brake and the encoder are installed on the rear end cover. According to the alternating current asynchronous gearless speed change tractor, a stator assembly is composed of a stator iron core and an enameled copper wire, a cast-aluminum rotor is adopted as the rotor, high temperature resistance is achieved, the structure is simple, assembling is convenient, incomparison with permanent magnet steel, the price is lower, and environmental friendliness is achieved. Site installing and maintaining are convenient.

A preparation method for an environmentally friendly super-hydrophobic coating with high mechanical durability, comprising the following steps: using filtered and purified waste edible oil as a raw material, synthesising the waste edible oil fatty amides by means of an amino decomposition reaction; using waste edible oil fatty amides and toluene diisocyanate as raw materials, employing a one-step process to prepare a polyurethane prepolymer; capping the polyurethane polymer by means of a double-ended ammonia-based silicone oil to obtain modified polyurethane; mixing the silicone-modified polyurethane with hydrophobically treated silicon carbide particles and, after magnetic stirring, spraying same onto a substrate, and drying and curing to obtain the super-hydrophobic coating.

The invention, which belongs to the technical field of pesticides, provides a nano-controlled-release pesticide taking polyethylene wax as a coating matrix and a preparation method thereof. Accordingto the nano-controlled-release pesticide taking polyethylene wax as a coating matrix, polyethylene wax is coated with active molecules of a pesticide active compound by high-speed emulsification and ultrasonic dispersion to obtain the nano-controlled-release pesticide taking the polyethylene wax as the coating matrix. The nano-controlled-release pesticide provided by the invention has very good photolysis resistance, oxidation resistance and slow release effect, and has the advantages of controllable drug loading capacity and simple preparation process.

The invention provides a preparation method and application of a nanometer niobium pentoxide / FTO aqueous supercapacitor electrode material. The preparation method comprises the following steps of 1, preparing a niobium pentoxide precursor mixed liquid, weighing powder of a niobium source and sodium acetate, adding the powder to deionized water, performing uniform ultrasound to obtain the niobium pentoxide precursor mixed liquid for use; 2, preparing the nanometer niobium pentoxide / FTO aqueous supercapacitor electrode material, transferring the niobium pentoxide precursor mixed liquid in the step 1 to a reaction kettle of a polytetrafluoroethylene substrate, adding a pre-processed FTO substrate to the reaction kettle, allowing a conductive surface of the FTO substrate to face upwards, sealing the FTO substrate, placing the reaction kettle in a baking oven for constant-temperature thermal reaction, cooling the furnace to a room temperature after reaction finish, taking out the FTO substrate, washing the FTO substrate, and performing vacuum drying, thereby obtaining the nanometer niobium pentoxide / FTO aqueous supercapacitor electrode material. The preparation method has the advantages of simplicity in process, low cost in raw material, no poison and no toxicity, and mass production is facilitated.

The invention discloses an environment-friendly reversing pier facilitating observation. The environment-friendly reversing pier comprises a reversing pier body, and the outer surface of the reversingpier body is coated with a waterborne coating layer. The waterborne coating layer is prepared from the following raw materials in parts by weight: 30-40 parts of toner, 10-20 parts of phenolic resin,16-32 parts of shell powder and 8-44 parts of water. According to the environment-friendly reversing pier facilitating the observation, a reflective material is made by mixing the environment-friendly material toner, phenolic resin, shell powder and water, good environmental protection performance is achieved, the price of the toner and the shell powder is low, and the economic cost is saved. When using the environment-friendly reversing pier facilitating the observation, a brush and other tools are used for evenly applying the waterborne coating layer to the outer surface of reversing piers,and then the reversing piers coated with the waterborne coating layers are correspondingly installed at the pier positions at the rear ends of parking lines of underground parking garages, parking spaces and the like for use. Since the waterborne coating layer is low in price and environmentally friendly and is simple to manufacture, the waterborne coating layer is suitable for popularization anduse.

The invention discloses a Magneli phase titanium oxide nanowire array and a preparation method thereof. The component of the prepared array is a Magnel phase Ti8O15 nanowire, wherein the diameter of the nanowire is 20-100nm and the length of the nanowire is 50nm-5 microns. The preparation method comprises the following main steps: etching and cleaning the surface of metallic titanium; and by taking metallic titanium oxide as an oxygen source, treating titanium oxide powder at a high temperature in a hydrogen atmosphere, and cooling to form a black film on the surface of metallic titanium to obtain the material. The method disclosed by the invention is simple in preparation process and low in cost, and the prepared Magneli phase titanium oxide nanowire array can be used as an electrode material, an electrode supporting material and a catalyst carrier material and has a wide application prospect in the electrochemical and photoelectrochemical fields.

The invention discloses an anti-emptying self-compacting roadbed structure and a construction method. The anti-emptying self-compacting roadbed structure comprises an original foundation and a filling roadbed arranged on the original foundation, a plurality of layers of obliquely inserted guide plates are arranged in the original foundation where the bottom and the two sides of the filled roadbed are located, and the guide plates are used for preventing the original foundation from being scoured by rising tide water flow and intercepting and accumulating silt particles in falling tide water flow so as to compact the original foundation; and the direction of obliquely inserting the guide plates into the original foundation is consistent with the rising tide water flow direction in the original foundation when the tide rises. The guide plates can effectively prevent a water flow from scouring an original foundation roadbed working area during flood tide, densification and compaction of a roadbed can be achieved through the water flow and pavement loads, and the self-compaction effect of the flow guide plate is gradually obvious as time goes on; therefore, the original foundation strength is improved, the soil permeability is greatly reduced, and the anti-seepage and anti-emptying effects are achieved.