32results about How to "Crystalline" patented technology

The invention discloses a high-efficiency biogas slurry organic suspension liquid fertilizer and a preparation method thereof. The high-efficiency biogas slurry organic suspension liquid fertilizer comprises, by weight, 21.0-42.0 parts of a biogas slurry, 6.0-9.0 parts of organic matters, 4.0-25.0 parts of a nitrogen fertilizer, 9.0-20.0 parts of a potassium fertilizer, 0.5-1.0 part of a boron fertilizer, 0.5-0.8 part of EDTA-Zn, 0.4-0.6 part of EDTA-Mn, 0.1-2.0 parts of a wetting dispersant, 0.1-2.0 parts of a thickener, 0.1-2.0 parts of an antifreeze agent and 0.1-1.0 part of a root promoter. The high-efficiency biogas slurry organic suspension liquid fertilizer is an organic-inorganic suspension liquid fertilizer, and the high-efficiency biogas slurry fertilizer is prepared by fermenting a substrate biogas slurry, so the problem of the pollution of discharge of the biogas slurry to the environment is effectively solved, the biogas slurry is transformed into valuables from wastes andis fully used, and the production cost of the liquid fertilizer is reduced. The fermented biogas slurry is used to prepare the liquid fertilizer, so the liquid fertilizer can be more rapidly dissolved in water than general products, and has the advantages of high total nutrient content, stable physical and chemical properties, and no crystallization, precipitation and stratification phenomena under high temperature, low temperature and normal temperature conditions.

The new process of producing liquid methyl tetrahydro phthalic anhydride uses solid methyl tetrahydro phthalic anhydride or coarse methyl tetrahydro phthalic anhydride produced with C5 mixture and maleic anhydride as material and through reaction in the presence of acid isomeric catalyst at 130-060 deg.c for 1-5 hr, further reaction after adding weak alkaline compound in the same equivalent as the acid catalyst for 15-30 min, and decompression distillation to obtain liquid methyl tetrahydro phthalic anhydride. Thus produced liquid methyl tetrahydro phthalic anhydride has high indexes of solidifying point, stability, viscosity, chroma, etc.

The invention relates to a composite film for guiding bone tissue regeneration and a preparation method of the composite film. The composite film is a double-layer film, wherein a bottom-layer film is an L-lactide and caprolactone copolymer (L-PLCA) cast film with a compact structure, and the molar ratio of monomer components is (50:50) to (95:05); a surface layer is an L-PLCA and hydroxyapatite (HA) or tricalcium phosphate (beta-TCP) compound electrospinning film with a micropore structure, wherein the mass ratio of HA or beta-TCP in the electrospinning film is 10-50wt%, and the particle size of the electrospinning film can be nano-grade or micro-grade. The double-layer composite film is relatively good in mechanical performance and bone-like apatite deposition induction capacity, favorable in flexibility and capable of realizing performance regulation through regulating the molar ratio of L-PLCA, the content of the component HA or beta-TCP and the microstructure of the electrospinning film so as to be a novel degradable double-layer composite film capable of guiding bone tissue regeneration.

The invention provides a high phosphorus high calcium liquid compound fertilizer, including the following raw materials by weight: 0.2-1.2 parts of disodium octoborate tetrahydrate, 0.05-2 parts of EDTA (ethylene diamine tetraacetic acid)-Mn, 0.05-1.8 parts of EDTA-Zn, 10-50 parts of calcium fertilizer, 0.5-6 parts of magnesium fertilizer, 20-75 parts of phosphoric acid, 1-9 parts of urea phosphate, 2-13 parts of ammonium polyphosphate, 3-15 parts of potassium fertilizer, 0.5-4 parts of a cosolvent, 0.5-4.5 parts of a stabilizer and 8-40 parts of water. The invention also provides a preparation method and a use the method of the high phosphorus high calcium liquid compound fertilizer. The high phosphorus high calcium liquid compound fertilizer enables phosphate radicals and calcium ions to stably coexist in the liquid phase to avoid production of calcium phosphate and other insoluble precipitates, effectively improves the utilization rate of phosphorus and calcium liquid fertilizers, is good in fluidity, high-enriched in nutrients, and suitable for automatic fertilizing operation of large area, can significantly improve the fertilizing efficiency, and has the advantages of being time saving, labor saving, fertilizer saving, fast in fertilizer efficiency and the like.

A resin-covered metal sheet excellent in durability (resistance to moist heat) which is obtained by laminating a metal sheet with a laminated sheet consisting of at least two unstretched layers (layers A and B) made mainly of a polyester resin via an adhesive with the layer B side employed as the adhesive surface, wherein the laminated sheet has a total thickness of 65 to 300mum and a pigment for coloring and hiding is incorporated mainly into the layer A, with the layers A and B having thicknesses of 50 to 250mum and 15 to 80mum respectively and with the amount of the pigment component contained in the layer B being limited to at most 10 parts by weight per 100 parts by weight of the resin component. Further, resin-covered metal sheets having good embossed appearance can be provided by the use of a current embossing machine used in embossing flexible PVC sheets.

The invention discloses an electron acceptor material for an organic solar cell as well as a preparation method and application of the electron acceptor material. The method uses benzotrithiophene asa core, different quantity of thiophene unit bridges are introduced, a strong electron withdrawing group is introduced at the tail end to realize adjustment and control of photoelectric properties, and therefore the high-performance electronic acceptor material for the organic solar cell is built. The electron acceptor material for the organic solar cell disclosed by the invention shows excellentexciton separation ability, has good thermal stability, electrical stability and solution processing performance, is simple to synthesize and easy to purify, has low costs, and is potential replacement of a fullerene electron acceptor, and suitable for being used as a non-fullerene electron acceptor material to be widely used to prepare high-performance devices for the organic solar cell.

The invention discloses a liquid water-soluble fertilizer containing humic acid and a preparation method of the liquid water-soluble fertilizer. The liquid water-soluble fertilizer is prepared from the following materials in parts by weight: 8-13 parts of a urea ammonium nitrate solution, 8-14 parts of ammonium polyphosphate, 14-20 parts of potassium tripolyphosphate, 7-11 parts of mineral sourcepotassium fulvic acid, 1-3 parts of a non-ionic surfactant, 0.05-0.2 part of endophyte source extract cyclodipeptides, 0.1-0.3 part of an organic silicon defoamer, 0.2-0.6 part of IDHA iron, 0.1-0.5 part of glycerol, 0.1-0.5 part of xanthan gum and 36.9-61.45 parts of water. The preparation method comprises the following steps that the xanthan gum is added into the 6 parts of water in a reaction kettle, uniform stirring is conducted, still standing is conducted for 24 h, then the residual water, the potassium fulvic acid, the surfactant and the defoamer are added, heating is conducted to 50 DEG C, and stirring is conducted for 5 min; the urea ammonium nitrate solution, the ammonium polyphosphate, the potassium tripolyphosphate, the IDHA iron and the like are added into a solution, the cyclodipeptides and the glycerol are added after complete dissolving, heating is conducted to 50 DEG C, stirring is conducted for 5 min, cooling is conducted to the room temperature, and thus packaging can be conducted. The liquid water-soluble fertilizer is simple in process, a product meets the requirements of current drip irrigation equipment, the use effect is good, and the liquid water-soluble fertilizer can be widely popularized.

Provided is an organic electroluminescent device which comprises an anode, a hole injection layer, a first hole transmission layer, a first luminescent layer, a first electron transmission layer, a charge generation layer, a second hole transmission layer, a second luminescent layer, a second electron transmission layer, an electron injection layer and a cathode which are laminated in turn. The charge generation layer comprises an n-type layer, an intermediate layer and a p-type layer. Material of the n-type layer is bipolar metal oxide doped with caesium salt. Material of the intermediate layer is a phthalocyanine compound doped with caesium salt. Material of the p-type layer is hole transmission material doped with the phthalocyanine compound. The aforementioned organic electroluminescent device is relatively high in luminescence efficiency. The invention also provides a preparation method for the organic electroluminescent device.

The invention belongs to the field of fertilizers, and relates to a liquid calcium fertilizeras well as a preparation method and application thereof. The liquid calcium fertilizer is prepared from the following components by weight: 35-59 parts of calcium element, 1-2 parts of a wetting agent, 2-4 parts of a dispersant, 0.5-1 part of a surfactant, 1-3 parts of an emulsifier, 2-3 parts of an antifreezing agent, 0.5-4 parts of a thickener, 0.1-0.2 part of an antifoaming agent, and 27.3-51.8 parts of water. Calcium is suspended together in the form of micro-nano particles through an ultra-micro nano technology and a water-phase micro-suspension polymerization technology, the content of calcium in the obtained ultra-micro nano suspension liquid calcium fertilizer is high and can reach 280-612 g/L, the average particle size of the calcium is about 1.5 microns, the prepared ultra-micro nano suspension liquid calcium fertilizer can improve the dispersing performance of the ultra-micro nano suspension liquid calcium fertilizer in an aqueous solution system, and the calcium nutrition can be well and quickly supplemented for crops.

The invention provides an organic water-retaining suspension liquid compound fertilizer and a preparation method thereof. The organic water-retaining suspension liquid compound fertilizer is preparedby effectively compounding organic matters and microorganisms. When being applied to stony desertification areas, the fertilizer can effectively promote the development of soil microorganisms, improvethe activity of the soil microorganisms and improve the microbial environment, and can effectively retain water and fertilizer, improve the soil root system environment of crops planted in stony desertification areas and improve the turnover utilization efficiency of soil organic matters, thereby improving the survival rate, yield and quality of the crops. The suspension liquid compound fertilizer disclosed by the invention is complete in nutrients, reasonable in proportion, good in flowability and suitable for automatic fertilization operation with a relatively large area, and can obviouslyimprove the fertilization efficiency and increase the yield and income of crops.

The invention relates to a mesoporous material, and particularly relates to a multi-element metal oxide mesoporous material. The material is prepared by using mesoporous foam silica as a hard template, a preparation method comprises the following steps: 1) adding the mesoporous foam silica to chloroform for ultrasonic dispersion, adding FeCl3.6H2O, AlCl3 and MgCl2. 6H2O, adding ammonia solution to adjust the pH value of 8-10, stirring, standing, filtering, washing with water and drying to prepare nano powder; 2) performing high temperature calcination on the dried nano powder to prepare a nano ferrite wave-absorbing material. The multi-element metal oxide mesoporous material has the advantages that: 1) the nano ferrite is a multi-element metal oxide material, has ferroelectric, ferromagnetic, and dielectric semiconductor properties, so that the wave-absorbing properties of the material can be improved; and 2) by use of the mesoporous silica as the hard template, and by means of the ultra-large hole size and a three-dimensional connected special structure of the mesoporous silica foam material, the ordered mesoporous nano ferrite is obtained, and the nano ferrite has both nano material properties and the three-dimensional pore structure.

The invention discloses a suspension liquid set fertilizer for reducing yellowing of honey pomelo leaves and a preparation and application method thereof. The suspension liquid set fertilizer is composed of a suspension liquid fertilizer a and a suspension liquid fertilizer b; according to the suspension liquid fertilizer a and the suspension liquid fertilizer b, a phosphate fertilizer and calciumand magnesium fertilizers are separately prepared so that the phosphate fertilizer and other raw materials can be prevented from a drastic exothermic action, and the best use effect can be achieved.The set fertilizer can not only meet the nutrient requirements of fruit trees in different growth stages, but also obviously alleviate the yellowing symptom of the fruit trees; finally, the yield of the fruit trees is increased, the quality of the fruit trees is improved, and therefore the economic benefits are increased.

The invention discloses an organic solar cell acceptor material and a preparation method thereof, and the method comprises the following steps: step 1, reacting 9-(4-bromophenyl)-3,6-dibromocarbazolewith bis(pinacolato)diboron to generate an intermediate 1; step 2, carrying out Suzuki coupling on the intermediate 1 and 5-bromothieno[2,3-B] pyridine to generate an intermediate 2; step 3, reactingthe intermediate 2 with N-bromo-succinimide (NBS) to generate an intermediate 3, and further reacting the intermediate 3 with bis(pinacolato)diboron to generate an intermediate 4; step 4, performing Suzuki coupling on the intermediate 4 and substituted 5-bromo-2-furan formaldehyde to generate an intermediate 5; and step 5, carrying out a Knoevenagel condensation reaction on the intermediate 5 anda terminal group to generate a final product. The material not only can be used as an electron acceptor in an organic solar cell, but also can be used as an additive material for regulating and controlling a donor/acceptor interface of a ternary blending organic solar cell.