90results about How to "The generation process is simple" patented technology

An apparatus and method for generating and parsing a MAC PDU in a mobile communication system are provided in which LCIDs of MAC SDUs to be multiplexed are checked, the length of an LF is determined for each of the MAC SDUs, referring to LF lengths predetermined for the LCIDs, a MAC header including the LCIDs and LFs of the determined lengths for the MAC SDUs is generated, and a MAC PDU is generated by attaching the MAC header to payload including the MAC SDUs. During the MAC header generation, if a padding size required for the MAC PDU generation calculated taking into account the absence of a last LF in the MAC header is larger than the length of the last LF, the last LF is included in the MAC header, the required padding size is recalculated, taking into account the inclusion of the last LF, and a padding is added according to the re-calculated padding size.

A data processing system processes data sets (such as low-resolution transaction data) into high-resolution data sets by mapping generic information into attribute-based specific information that is stored in a database. The extracting frequent pattern information from the database using frequent pattern growth techniques, a compact frequent pattern tree data structure efficiently holds frequent pattern information for multiple transactions having one or more items in each transaction. Frequent pattern data is transformed for ease of use with rule generation algorithms by removing redundant information (such as part group items) or by consolidating items corresponding to a part group and replacing those items with a proxy item for purposes of power set generation.

The invention provides a Ca/Zn compound heat stabilizer, which is prepared by synthesizing a Ca/Zn main stabilizer by using higher fatty acid, ZnO and Ca(OH)2, matching with hydrotalcite and similar hydrotalcite substances and adding proper amount of auxiliary stabilizer, antioxidant, ultraviolet absorber, lubricant and talcum powder, wherein the Ca/Zn main stabilizer accounts for 40-60 percent, the hydrotalcite and similar hydrotalcite substances account for 7-20 percent, the auxiliary stabilizer accounts for 8-30 percent, the antioxidant accounts for 0.1-2.5 percent, the ultraviolet absorber accounts for 0.1-1.5 percent, the lubricant accounts for 1-15 percent and the calcium powder accounts for 1-15 percent, and the percent refers to weight percent. In the stabilizer, the hydrotalcite and similar hydrotalcite substances are mixed according to a certain proportion, thereby the heat resistance is very good, and the color changing time of Congo red can reach more than 80 min. The stabilizer can effectively restrain the degradation of polrvinyl chloride (PVC) material, which is caused by physical actions during forming and processing, such as heating, rubbing, cutting and the like, and exterior conditions in using process, such as light, heat, oxygen and the like, avoid the degradation or aging of the product and prevent the performance reduction of the PVC products. The invention can replace traditional lead salt and organo-tin heat stabilizer with expensive price, can be widely applied to the aspects of PVC processing and forming, and has remarkable social benefits and economic benefits.

The invention discloses a method for preparing simvastatin. The method is as follows: a. lovastatin and alkylamine are prepared into lovastatin amide; b. hydroxyl groups in lovastatin amide molecules are protected, and lovastatin amide di-(trimethyl) silyl ether is generated; c. the lovastatin amide dimethyl (trimethyl) silyl ether is subjected to methylation, so as to obtain simvastatin amide di-silyl ether; d. the simvastatin amide di-silyl ether is protected, and simvastatin amide is generated; e. the simvastatin amide is subjected to hydrolysis and is added with ammonia gas, and simvastatin ammonium salt is obtained; and f. the simvastatin ammonium salt is subjected to ring closure to generate the simvastatin. The method takes a composite solvent of tetrahydrofuran and cyclonexane as a solvent for the protective reaction; the lovastatin amide di-(trimethyl) silyl ether can directly perform methylation reaction without alkaline washing and water scrubbing; after water scrubbing of methylate, protective groups are automatically fallen off, thereby the reaction for removing the protective groups is saved and the products can directly perform ammonium salt reaction. The method simplifies the synthesis technique of the simvastatin.

A method for compounding WC-based nano composite powder by a precursor method is characterized by comprising the following steps that firstly, water-soluble tungstate with a mass percent of 32.0%-45.0%, water-soluble cobalt salt with a mass percent of 10.0%-15.0%, water-soluble vanadium / chrome salt mixtures with a mass percent of 0.3%-0.5% and water-soluble organic carbon with a mass percent of40.0%-56.0% are dissolved in deionized water; secondly, solutions in the first step are evenly stirred with a glass rod and then heated and dried to obtain precursor composite powder containing a tungsten source, a cobalt source, a chrome source, a vanadium source and a carbon source; and thirdly, the precursor composite powder obtained in the second step is put in a high temperature reacting furnace, sintering is carried out under the condition of vacuum or argon atmosphere protection, and finally the WC-based composite powder with a nanometer size is prepared. According to the method, the preparation cost can be greatly reduced, the preparation cycle is shortened, and the method has the characteristics of being simple in process, even in product and the like and is suitable for industrial production.

The invention provides a preparation method for a special slow-release long-acting compound fertilizer for paddy rice. The compound fertilizer is a mixture of a plurality of fertilizers and components with no special fertilizer efficiency. The compound fertilizer granules are as fertilizer core and processed by coating and dusting powder; the compound fertilizer granules are characterized by being prepared from the following raw materials by mass: 25 to 45 parts of urea, 8 to 25 parts of ammonium chloride, 20 to 35 parts of potassium chloride, 20 to 35 parts of a mixed phosphate fertilizer, 7 to 11 parts of a granulating auxiliary agent and a proper amount of water. The preparation method for the compound fertilizer comprises the following steps: (1) preparation of a compound of a potash fertilizer and a nitrogen fertilizer; (2) preparation of the mixed phosphate fertilizer; (3) preparation of mixed particles of the components of the compound fertilizer; (4) coating with stearic acid; (5) powder spreading of a modified zeolite powder material; and (6) screening, metering, quality inspection and packaging of qualified fertilizer. The invention provides the preparation method for the special slow-release long-acting compound fertilizer which has overall nutrients and excellent slow releasing performance, enables fertilizer effectiveness to be maximumly performed, improves both output and quality of paddy rice and has low manufacturing cost.

The invention provides a preparation method for a long-acting slow-release chlorine-based nitrogen and potassium-containing compound fertilizer. The compound fertilizer belongs to mixed fertilizers containing substances affecting nitrification of ammonium-containing compounds or urea in soil, and is characterized by being prepared by: first preparing chlorine-based nitrogen and potassium-containing compound fertilizer granules, and then performing primary coating and a secondary surface powder putting by using a modified zeolite powder to the chlorine-based nitrogen and potassium-containing compound fertilizer granules by using stearic acid; wherein: the chlorine-based nitrogen and potassium-containing compound fertilizer is prepared from the following raw materials, by weight: 30-60 parts of urea, 10-20 parts of ammonium chloride, 22-53 parts of potassium chloride, 7-11 parts of granulating aids, and an appropriate amount of water. Provided is a preparation method by using which a long-acting slow-release chlorine-based nitrogen and potassium-containing compound fertilizer having good slow-release effect and high fertilizer utilization rate can be produced, wherein the elemental chlorine in the compound fertilizer can play a full role in the growth of crops, the process is simple, the production cost is low, and coating materials are easy to be degraded in the soil by microbes, which is beneficial to soil, air and water environmental protection. The long-acting slow-release chlorine-based nitrogen and potassium-containing compound fertilizer has a good sustained-release effect, and high fertilizer utilization rate, suitable for applying to various crops.

The invention discloses a method for preparing mesophase pitch on the basis of mesotherm coal pitch used as a raw material. The method comprises the following steps: firstly, performing preheating polycondensation reaction, precise heat filtering and cutting light component treatment on the mesotherm coal pitch, thereby acquiring refined coal pitch with ultralow quinoline insoluble content, and then performing heating polycondensation reaction for 1-10h on the refined coal pitch under the reaction temperature of 400-460 DEG C, pressure of 3-5MPa and stirring speed of 50-500r/min, thereby acquiring the mesophase pitch. According to the invention, an integrated device is adopted for simultaneously completing the operations, such as, heating polycondensation and heat filtering and is assisted by simple light component cutting and drying technologies to prepare high-quality mesophase pitch; the production technology is simplified; the production cost is lowered; the yield of the acquired mesophase pitch is within 10-30%; the pitch is low in ash content and has an excellent optical tissue structure.

The invention discloses low-cost high-crystallinity black phosphorus which is prepared from a phosphorus source and an amine solvent through a solvothermal method, and further discloses a preparationmethod of the low-cost high-crystallinity black phosphorus. The preparation method of the black phosphorus is mild in reaction, easy to control and simple in process, and the prepared black phosphorushas very high crystallinity and oxidation resistance, can replace black phosphorus prepared by a high-temperature mineralization method in some application aspects, and can meet the requirements of people on black phosphorus performance.

The invention relates to a rapid synthesis technology for poly-ferric sulfate aluminum and belongs to the technical field of water treatment flocculating agents. The rapid synthesis technology is characterized by comprising the specific preparation steps that materials of, by mass, 51.9%-56% of iron vitriol, 1%-5% of dissolvable aluminum hydroxide, 9.3%-9.6% of sulfuric acid and 33.5% of water are added in a reactor; a manganese dioxide catalyst is added in the reactor, and liquid oxygen is sprayed into the reactor at the same time; in the process, the reaction temperature is controlled to range from 45 DEG C to 55 DEG C; hydrolysis and polymerization reactions are automatically carried out while the oxidation reaction is carried out in the reactor, spray drying is carried out on the materials after the reactions are carried out for 30 min-40 min, the poly-ferric sulfate aluminum is obtained, and the manganese dioxide catalyst is recycled. The technology is simple in generation technology, the production period is greatly shortened, the production cost is reduced, harmful residues in the product are eliminated, and the product is nonpoisonous and harmless.

The invention provides a GO/Mn modified corncob charcoal organic fertilizer, a preparation method and an application thereof and belongs to the technical field of fertilizers. The organic fertilizer is prepared by fermenting the following raw materials: 20-30 parts of modified corncob charcoal, 25-45 parts of rotten bean cake residue, 10-15 parts of ferment residue, 10-15 parts of fishbone dust, 5-7 parts of biologic humic acid, 3-5 parts of molasses, 2-4 parts of bacillus subtilis compost leavening agent and 0.15-0.3 part of cellulase. The modified corncob charcoal is modified with graphene oxide and Mn. The rotten bean cake residue is prepared by naturally fermenting bean cake residue in rhodotorula mucilaginosa OP11 strain with preservation number of CGMCC No.13540. When the organic fertilizer is applied to corn planting, organic content of soil can be supplemented, water and nutrition can be effectively preserved and soil fertility can be promoted. The GO/Mn modified corncob charcoal organic fertilizer is an ideal organic fertilizer and is capable of achieving the effects of reducing fertilizer and preserving fertilizer.

The invention discloses a bimetallic wear-resisting lining plate and a preparation method thereof and belongs to the technical field of metal material casting. The bimetallic wear-resisting lining plate comprises a matrix layer and a wear-resisting layer, wherein the wear-resisting layer is provided with more than two T-type projections inlaid into the matrix layer, the height ratio of every T-type projection to the wear-resisting layer is 1:1.2-1:2, the height ratio of the wear-resisting layer to the matrix layer is 1:1-1:3, the width ratio of every T-type projection to the lining plate is 1:8-1:15, the wear-resisting layer and the T-type projections are made of medium-carbon low-alloy silicon-manganese steel, the matrix layer is made of low-alloy carbon steel, and the bimetallic wear-resisting lining plate is prepared through compounding, smelting, casting, annealing and isothermal quenching. The bimetallic wear-resisting lining plate and the preparation method thereof have the advantages that through adoption of reasonable structural design and a layered casting technology, combination of a composite layer at an interface is closer, and the composite layer is less prone to separation; produced through the thermal treatment technology of simple isothermal quenching, the bimetallic wear-resisting lining plate is highly resistant to wear, high in tenacity, simple in preparation technology and convenient to produce, and production cost can be reduced effectively.

The present invention relates to a preparation method of water-soluble pectin of shaddock albedo. The method comprises the following steps: bake drying or naturally drying shaddock albedo and cutting the shaddock albedo into chunks, immersing the shaddock albedo chunks into 95% ethanol for more than 12 h and drying; adopting a hot water extraction method to prepare the water-soluble pectin with a ratio of the shaddock albedo to water being 1: 10-1: 50 at a temperature of 60-100 DEG C, carrying out extraction for 1 to 3 times each lasting 1 to 5 h, and stirring constantly; filtering extraction liquid to obtain a supernatant; concentrating the supernatant to 1 / 8 to 1 / 10 of the original volume, carrying out alcohol precipitation for 12 h, centrifugating for 5 to 10 min at a speed of 3000 r/min to 4800 r/min, collecting the precipitation, drying the precipitation at a temperature of 40-55 DEG C, and then obtaining the water-soluble pectin. According to the present invention, the waste of shaddock peel is reused, resource utilization is improved; the preparation method has high extraction efficiency and no toxic and hazardous organic reagent, and the product is safe; the process is simple, and the application prospects are extensive.

Data concerning a transfer pattern of lamination transparent film is not externally sent and stored in a memory but generated by a random pattern generating module of a color controlling DSP 22. A random number generating section 23a generates a pseudorandom number for each dot of one line; a tone data obtaining section 23b obtains tone data corresponding to the pseudorandom number; and a transferring section 23c transfers the tone data to a head signal converting ASIC 24. Tone data for each dot of one line is alternately written in line buffers 1 and 2. Using the tone data written in the line buffers 1 and 2, a thermal head 130 transfers transparent film 120F.