32results about How to "Abundant sources" patented technology

The inventive Chinese medicine dregs used as paper-making pulping raw material pertains to the paper-making pulping technique field, especially relates to a Chinese medicine dregs as raw material pulping. The object of the invention is to provide a paper pulp for preparing corrugated paper, wrapper paper and the like, taking the Chinese medicine dregs as raw material through a mechanical physical method pulping method and technique. The method and technique includes: boiling multiform chinese medicine dregs in pressure vessels or normal pressure steamers; pulp milling, pulp washing and pulp mixing in a mechanical method; respectively obtaining fibre pulp and powdery deposited matter. The fibre pulp can be used for preparing various paper products such as corrugated paper or wrapper paper; the deposited matter and paper making water can be used as organic inorganic fertilizer, animal fodder, or the like after a precipitating centrifuge process.

The invention discloses a flexible passivating processing method for a superhard cutting tool and a flexible passivating processing device thereof. The flexible passivating processing method comprises the steps as follows: superhard or high-hardness grinding material is mixed with an aqueous phase according to a predetermined proportion to form a water-base passivating medium that is put in a container; a turbine impeller is arranged in the container; the turbine impeller drives the water-base passivating medium in the container to rotate towards the same direction; the superhard cutting tool is clamped by a clamp; a cutting edge of the superhard cutting tool is dipped into the water-base passivating medium in the container, and the clamp is led to drive the superhard cutting tool to rotate in the water-base passivating medium at the same time; the rotation direction of the clamp and the superhard cutting tool is opposite to that of the water-base passivating medium; and the flexible passivating treatment on the superhard cutting tool can be achieved through the friction which is generated by the reverse rotation of the water-base passivating medium relative to the superhard cutting tool. By adopting the flexible passivating processing method, the problem that in the prior art, passivating treatment is carried out on the superhard cutting tool can be solved effectively; and the flexible passivating processing method has the characteristics of simplicity and easiness in implementation.

The invention relates to a plate with an ionizing ray (X-ray or gamma-ray) radiation protecting function and provides an ionizing ray shielding protective plate. The protective plate comprises the following raw materials in percentage by weight: 7-10 percent of raw wood pulp material, 10-15 percent of cement, 2-5 percent of rare earth composite powder, 60-80 percent of barium sulfate powder and asmall amount of auxiliary materials (mica, aedelforsite and expanded perlite). A manufacturing method of the protective plate comprises the following steps of: preparing raw wood pulp; pulping by mixing; sizing; preparing a molded blank; reshaping and stacking; preparing a molded plate; initially curing; performing steam curing; drying the plate; performing post processing; and the like. The ionizing ray shielding protective plate has dual X-ray and gamma-ray protecting effects, high intensity and light weight, and can be used for replacing a lead plate. The raw materials used in the manufacturing method are sufficient, the foaming procedure in the production process is eliminated, the equipment and the process are simple, and the manufacturing cost is low.

The invention discloses a plant disease-resistant resistance inducer and application thereof. Discovered that 2'-deoxyguanosine can directly cause active oxygen burst of plants and up-regulated expression of a disease-resistant gene PR1, improves the disease resistance of the plants to pathogenic bacteria and exerts the effect of the plant disease-resistant resistance inducer. 2'-deoxyguanosine iswide in source, has the characteristics of high efficiency, non pollution, low cost and the like, has a large application potential as a novel plant disease-resistant resistance inducer and accords with the requirement for sustainable and healthy development of agriculture.

Provided are a linezolid intermediate and the preparation method thereof and a method for synthesizing linezolid. The structure of the intermediate is shown as formula F2, wherein the compound is prepared by a condensation reaction of (S)—N-(3-chloro-2-hydroxy-1-propyl) acetamide and the compound shown in formula F4. In the preparation methods of the compound shown in formula F2 and linezolid, the reaction system is mild, side reactions are few and the product yield is high.

The invention discloses a preparation method of an in-situ synthesized mullite whisker toughened 90 alumina ceramic. The method consists of: taking 85-95wt% of highly dispersed alpha-alumina powder and 5-15wt% of highly dispersed silicon dioxide powder as the raw materials, adopting aluminum fluoride trihydrate powder accounting for 4-18% of the weight of the raw materials and dry basis titanium dioxide accounting for 0.5-3% of the weight of the raw materials as the catalysts, mixing the raw materials with the catalysts, then using water as the medium to perform ball-milling so as to form an Al2O3-SiO2 precursor containing AlF3 and TiO2, then adding polyvinyl alcohol accounting for 1-3% of the weight of the raw materials to serve as the adhesive, conducting mixing, then employing spray drying process to perform granulation and ageing, then conducting isostatic pressing dry process forming, and performing high temperature firing so as to obtain the mullite whisker toughened 90 alumina ceramic. According to the invention, adding of expensive whiskers is unnecessary, a complicated dispersion process of additional adding of whiskers is omitted, also the preparation process is simple, the obtained whiskers have large length, high length-diameter ratio and uniform dispersion, and the method is suitable for industrial production.

The invention discloses a preparation method of polysubstituted pyrrole derivatives, which uses copper salt as a catalyst, nitroxide free radicals as co-catalysts, and oxygen from the air as a final oxidant to prepare polysubstituted pyrroles starting from tetrahydropyrrole derivative. In the technological process of the present invention, only a catalytic amount of copper catalyst and a non-metallic co-catalyst need to be used, and the oxidizing agent used is cheap, and the only by-product is water, the post-treatment process is simpler, and the risk of environmental pollution is obviously reduced; the whole The process is carried out in an oxygen atmosphere and is not sensitive to moisture, and can be used for routine operations under loose reaction conditions; it can prepare related products in the fields of biology, pesticides and medicine, and provide abundant sources and low prices in a green and environmentally friendly way. Polysubstituted pyrrole derivatives.

The invention discloses a method for preparing a 1,3-disubstituted indolizine derivative. The method comprises the following steps: by taking amine, maleic anhydride, pyridine and an alpha-halogenated compound as raw materials, copper salt as a catalyst and oxygen as an oxidant, preparing the 1,3-disubstituted indolizine derivative in the presence of alkali. According to the method, a process of a one-pot method is adopted, reaction is implemented in one same reactor, no any intermediate needs to be purified, and the synthesis efficiency is greatly improved; only a catalytic amount of a copper catalyst and the environment-friendly oxidant oxygen are used in the process, so that a post treatment process is relatively simple, and the environment pollution risk can be avoided; the whole process is not sensitive to air and humidity, and normal operation can be implanted under a loose reaction condition; and related products can be prepared for fields such as biologics, pesticides and medicines, and the 1,3-disubstituted indolizine derivative which is rich in resource and relatively low in price can be provided.

The invention discloses a preparation process of an environment-friendly and energy-saving PP material. According to the technical scheme, the preparation process comprises the following steps: S1, preparing raw materials; step S2, mixing the raw materials, wherein the step S2 comprises the following steps: step 1, putting polypropylene resin into a mixing machine; 2, adding the pigment into the mixer for mixing, wherein the temperature range of the pigment adding is 60-65 DEG C; 3, adding an auxiliary agent into the mixing machine, and mixing at a low speed, wherein the adding temperature range of the auxiliary agent is 70-75 DEG C; 4, rotating and mixing the mixture in the mixer at a high speed until the temperature of the mixture is increased to 85-90 DEG C; 5, the mixture is put into a cold discharging barrel from the mixing machine to be cooled; 6, putting the mixture into a daily barrel for later use; step S3, gelling and mulling; s4, forming a film; step S5, stretching and embossing; step S6, tempering the diaphragm; step S7, cooling the diaphragm; and S8, the diaphragm is rolled.

The invention relates to the technical field of wood plasticizing, in particular to a wood plasticizing agent and a preparation method thereof. The wood plasticizing agent comprises the following raw material components in percentage by mass: 20-30% of hard monomer, 5-15% of viscous soft monomer, 3-10% of acid monomer, 20-30% of tough soft monomer, and 20-40% of water. The preparation method of the wood plasticizing agent comprises the following steps: under normal temperature, the hard monomer, the viscous soft monomer, the acid monomer and the tough soft monomer are added in the water in sequence to stir for totally dissolving, and are continuously stirred by 5-10 minutes to obtain the wood plasticizing agent. All the component monomers of the plasticizing agent are colorless, tasteless, green and environment-friendly. The wood is plasticized to achieve good natural texture and to resist the damp, the corrosion and the damp-hot deformation; and the wood improves such mechanical performances as hardness, shearing resistance, bending resistance and impact resistance, is full in material source, is convenient and safe in manufacturing and use, can be widely applied to furniture manufacturing, decoration and timber construction, and is excellent in popularization and application value.

The invention discloses a method for preparing a traditional Chinese medicine composition for treating cancers and belongs to the technical field of traditional Chinese medicine. The preparation method includes the steps that scorpions and meadowrue roots and rhizomes are dried and smashed according to a prescription to obtain medicine powder; salviae miltiorrhizae, radix ginseng Rubra, fructus arctii, curcuma zedoary, rhizoma sparganii, periostracum cicada and acanthopanax roots are subjected to alcohol extraction, filtered and concentrated to obtain alcohol extract; rhizoma paridis, field thistle, polyporus umbellatus, Indian iphigenia bulb, szechwan Chinaberry fruits and rhizoma corydalis are mixed with filter residues obtained after alcohol extraction of salviae miltiorrhizae, radix ginseng Rubra, fructus arctii, curcuma zedoary, rhizoma sparganii, periostracum cicada and acanthopanax roots, water extraction and concentration are conducted, and water extract is obtained; finally, the obtained medicine powder, the alcohol extract and the water extract are mixed to be even, and the traditional Chinese medicine composition is obtained. The prepared traditional Chinese medicine composition for treating cancers is clinically confirmed to have a good treatment effect on multiple cancers, and can relieve all kinds of discomfort and pain of patients suffering from the cancers to a great extent, the quality of life of the patients can be improved, and the lifetime of the patients can be prolonged. The medicinal material sources are abundant, the preparation method is simple, and application and popularization are convenient.

The present invention provides a program vulnerability detection method and detection system. The method comprises the steps of starting a monitor thread in testing, wherein the monitor thread is used for monitoring an abnormal event in a to-be-tested program; acquiring the abnormal event, and analyzing types of the abnormal event, wherein the types include a program error item and a program incorrect item; determining whether the abnormal event causes test interruption; and if the test is interrupted or the test is finished, performing vulnerability analysis and processing on the abnormal event according to the types of the abnormal event. According the method, the types of the abnormal event include the program error item and the program incorrect item, and vulnerability analysis and processing are performed on the abnormal events of different types, so that the source for obtaining the abnormal event is rich and the abnormal event can be acquired accurately, manual intervene is not needed, vulnerability analysis workload is reduced, and the test efficiency and test range are improved.