41results about How to "Lower research costs" patented technology

A bending-forging machine for manufacturing the large crankshaft or bellcrank used by ship is composed of upper die with lower arc end, bending lower die, upper and lower flat stocks, and insertion plate with lower arc end. Its forging method includes such steps as upsetting a steel ingot to become a flat square billet, drawing it to become a blank with shoulder, pressing V-shaped die on the middle of blank to form symmetric two V-shaped slots, bending by upper and lower dies, removing the upper and lower dies, inserting the insertion plate for finishing, trimming, and removing insertion plate.

The invention belongs to the field of forging, and particularly relates to a process and a device for forming a straight-edge conical cylinder forged piece of a nuclear power evaporator, which are applicable to the nuclear power and the process design and manufacturing process for the straight-edge conical cylinder forged piece of a hydrogenation reactor. The forming process comprises the following steps: (1) primary forming of a blank; (2) forming of a conical cylinder structure and a thin-wall conical cylinder structure with equal wall thickness; and (3) forming of the straight-edge conical cylinder forged piece of the nuclear power evaporator. The forming device is provided with a trestle, a saddle and a correcting twist block, wherein the saddle is placed on the trestle; the saddle is matched with an upper flat anvil outside the forged piece blank; and the correcting twist block is matched with the saddle. The operation of the process is simple and convenient, the structure of the device is simple, and the problem that the straight-edge conical cylinder forged piece is difficult to form and the like is solved. The straight-edge conical cylinder forged piece forged by the process has even processing allowance, and the size of each part can meet the requirement of components.

The invention belongs to the field of forging, particularly relates to a high-speed train brake disc hub forging die and a design method thereof, and is applicable to design processes of high-speed train brake disc hub dies and preformed blanks. A near-net-shape preformed blank, a preforging upper die, a preforging lower die, a finish-forging upper die and a punch are designed by combination of an analytic method and a finite element modeling method, and cooperating use methods of the different dies are also provided. By the aid of the dies and the preformed blank which are designed by the method, brake disc hub forged parts meeting standards of rolling stock research institution of China academy of railway sciences can be produced. Since the dies designed by the method are used for forging the preformed blanks, the produced brake disc hubs are high in forming quality and have symmetrical appearance, uniform streamline and uniform machining allowance. In addition, as the dies designed by the method are used for manufacturing the high-speed train brake disc hubs, raw materials can be saved, production cycle can be shortened, machining allowance is lowered, and dimensional precision is increased.

The invention discloses a method for spraying silicone rubber paint layer on an engine shell. The method comprises the steps of: researching robot spraying parameters in combination with parameters of paint; establishing a relevant technical theoretical model when a robot finishes spraying a coating layer on the outer surface of a solid rocket engine, putting forward a calculation method of key technical parameters, and providing a method for calculation of forming technological parameters of different types and different coatings. The method can be used for shaping work of various types of engine paint layer robots with the diameter greater than 200 mm; if the technical theoretical model is adopted by a novel paint material in the solid rocket engine surface spraying technology research work, optimal spraying speeds Vs and Vm are determined only through combined adjustment of spraying parameters of the robot and the paint material, so that robot spraying technological parameters in the whole spraying process can be determined. The method for spraying silicone rubber paint layer on an engine shell provides a research technical theoretical model and a research method for a surface thickness required coating shaping technology of the robot solid rocket engine, speeds up the research progress, improves research efficiency and reduces research expense.

The invention relates to an embedded software testing method capable of realizing multi-technology fusion. According to the characteristics of model embedded software, various test means of the embedded software are subjected to optimal combination by virtue of professional software test tools and equipment, the functions and the fault handling capabilities of the software are verified through artificial or automatic ways, the comprehensiveness and the integrity of software testing are guaranteed, the efficiency of the software testing is improved, and indexes of high reliability and high safety are achieved.

The present invention relates to a method for developing new pesticide by utilizing cluster effect. Said invention is characterized by that it utilizes existent high-activity pesticide compounds, such as emamectin benzoate, pyrroles pesticide, new nicotine pesticide or potential pesticide active molecule as mother body to synthesize its cluster compound, and utilizes said cluster compound to develop high-effective low-toxic new pesticide.

The invention relates to a design method of a middle blank and a prefabricating blank during a nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming process, which belongs to the filed of forging and is suitable for the production engineering and a manufacturing process of nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming. The invention adopts a method of combining an analysis method and finite element modeling to develop a dimension relational expression of the prefabricating blank, the middle blank and a final forgeable piece during the nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming process and provides the design method of the middle blank and the prefabricating blank. The design method and a design formula of the middle blank and the prefabricating blank during the nuclear power and hydrogenation reaction chamber conical shell forgeable piece forming process are suitable for producing significant parts, such as megawatt nuclear power conical shells, large-sized hydrogenation reaction chamber conical shells, and the like; when the middle blank and the prefabricating blank designed by the design method are adopted to produce conical shell forgeable pieces, the middle blank and the prefabricating blank designed by the design method can nicely control the conicity of the conical shell forgeable pieces, thereby solving the problem of the difficult forming and the unreliable machining dimension precision of traditional conical shell forgeable pieces.

The invention discloses a soft rock disintegration test system for simulating natural environments. The system is provided with a box body, wherein a lighting simulator, a temperature control device, a rainfall simulator, a wind simulator, a soft rock disintegration grain size grading and metering device, a monitoring device and an air humidity and temperature device are installed inside the box body. The system integrates the five natural factors of rainfall, lighting, temperature, humidity and wind, can simulate multiple natural environments required by soft rock disintegration, can provide an indoor site for simulating the natural environments for the research of soft rock disintegration, effectively overcomes the difficulty in outdoor research, has the advantage of cheaper and more economical required equipment, and can effectively reduce the research expenditure. The system has the characteristics of simple structure and reasonable design, can simulate the soft rock disintegration under multiple climatic conditions in the natural environments, can truly and comprehensively reflect the overall soft rock disintegration process, and can quantitatively obtain information in every respect by screening the conditions for reflecting disintegration. The system has the advantages of high practicality and favorable use effects, and is convenient to be popularized and applied.

The present invention is heavy ion beam irradiation effect to obtain quinhydroxy ketone, and relates to heavy ion beam irradiation technology. Heavy ion beam irradiation process for developing new medicine is superior to available chemical synthesis process, which has long developing period, high cost and high manpower consumption, and can obtain new matter in short period and separate out lead compound with obvious medicine effect. The heavy ion beam irradiation process of obtaining quinhydroxy ketone is to irradiate quinalkenyl ketone with 16O8+ and 12C6+ heavy ions in the initial energy of 75 MeV/micron, and energy depositions of 1.585x10<2> Gy-1.585x10<12>Gy and 1.656x10 Gy-1.656x10<9>Gy. The irradiation product quinhydroxy ketone has strengthened antibacterial activity and lowered toxicity, and the present invention provides one effective way for developing new medicines.

The invention is a method for separating stalk cellulose-degrading bacteria, relating to a method of separating stalk cellulose-degrading bacteria from the soil. Its steps: a. pouring solid Hutchison inorganic salt culture medium into an axenic flat vessel, after the culture medium solidifying, placing a piece of sterilized coarse paper on the culture medium, then absorbing liquid Hutchison inorganic salt culture medium to wet the coarse paper, taking well-screened earth particles for point planting, and then placing them in a culture box to make moisture-retention culture, separating and purifying lawns by drawing lines on plate; b. putting the lawns in the physiological salt water containing glass beads for axenic diluting, absorbing the dilute bacterial solution on to the Hutchison inorganic salt plate and shaking the solution uniformly, covering a piece of axenic filter paper, and making moisture-retention culture; c. after primarily screening, inoculating each bacterial strain in a corresponding triangular bottle for liquid fermentation test, selecting out relatively high-sugar content bacteria from them all.

The invention provides a method for correcting an overburden pressure physical property of a shale reservoir. The method belongs to the field of petroleum and natural gas exploration. The method is based on a reservoir rock core overburden pressure test. Through analyzing a relationship and a role between a physical property change after an overburden pressure is applied on the rock core and an overburden pressure change, a reservoir physical property overburden pressure correction model is established, namely a reservoir porosity overburden pressure correction model and a reservoir permeability overburden pressure correction moduel. The method comprises the following steps of (1) performing a rock core overburden pressure testing, and obtaining a testing result; (2) establishing a rock core physical property overburden pressure correction model, namely analyzing a change relationship between a rock core overburden pressure physical property and the overburden pressure according to the testing result of the step (1), and establishing a relationship model between the overburden pressure physical property and the overburden pressure in each rock core sample; and (3) establishing a reservoir physical property overburden pressure correction module, namely analyzing differences among the rock core physical property overburden pressure correction models which are established in the step (2), and analyzing a change rule between the difference and a routine physical property on the ground of the rock core.

The invention discloses a method for quickly obtaining transgenic peanuts through peanut cotylcdon. The method comprises the following steps: 1) taking agrobacterium tumefaciens in a logarithmic phase, and re-suspending, thereby obtaining transformation bacteria liquor; 2) taking mature peanut seeds to bud for 0-5 days, longitudinally cutting cotyledon into two parts, and cutting off germs at the top ends of plumular axes to obtain transformation receptors; 3) soaking the transformation receptors into transformation bacteria liquor to infect for 20-50 minutes, then, taking out the transformation receptors, putting the transformation receptors onto water-absorbing paper, and cultivating for 3-4 days under a dark condition; 4) thoroughly flushing the transformation receptors, and performing selective cultivation, thereby obtaining peanut seedlings; and 5) continuously cultivating the peanut seedlings to obtain peanut plants, identifying the peanut plants, thereby obtaining transgenic plants. The invention further discloses application of the third in preparing transgenic peanuts. According to the method disclosed by the invention, materials are easily available, operations are simple, time and cost are reduced, and transformation efficiency is high, and therefore, the method is suitable for large-scale transgenic peanut development.

The invention discloses standard modular components for buildings. Each standard modular component comprises a frame and an externally connected C type steel member; the outer frame unit of the frame is rectangle-shaped; the externally connected C type steel member is arranged on the outer side, not on the periphery, of the frame; the C type steel member is connected to one side edge of the outer frame unit of the frame in the length direction of the C type steel member; and the C type steel member partially stretches out from the outer side of the frame in the width direction of the C type steel member. The components comprise first components and second components, and the outer frame units of the frames of the first and second components are rectangle-shaped. The invention also discloses a prefabricated building comprising a building structural frame assembled by the standard modular components for buildings mentioned above. According to the invention, prefabricated production can be carried out through the general standard modular components, changeable low-rise common civil building structure forms can be achieved, building efficient using demands of people are met, assembling industrialization demands of improved low-rise buildings or other low-rise functional houses are met, and the standard modular components and the prefabricated building are suitable for popularization and applications.

The invention relates to a traditional Chinese medicinal composition for treating membranous nephropathy and a method for preparing the traditional Chinese medicinal composition for treating the membranous nephropathy. The traditional Chinese medicinal composition is prepared from the following raw materials in proportions by weight: 60 to 120 parts of radix astragali seu hedysari, 15 to 30 parts of radix rehmanniae recens, 15 to 30 parts of radix rehmanniae preparata, 15 to 30 parts of gorgon fruit, 15 to 30 parts of Chinese pyrola herb, 30 to 90 parts of rhizoma smilacis glabrae, 30 to 90 parts of herba hedyotidis diffusae, 15 to 30 parts of radix salviae miltiorrhizae, 0.5 to 3 parts of hirudo recens, 6 to 12 parts of herba schizonepetae and 6 to 12 parts of radix saposhnikoviae. The raw materials are extracted according to a certain technical method, and then are made, together with pharmaceutically acceptable accessories, into a traditional Chinese medicinal oral preparation. The traditional Chinese medicinal composition which is provided by the invention has the effects of tonifying spleen and kidney, supplementing qi, nourishing yin, removing dampness through diuresis and promoting blood circulation, and is used for treating various kinds of acute and chronic nephritis, and proteinuria and edema which are caused by a nephrotic syndrome.

The invention relates to a traditional Chinese medicine preparation for treating mammary gland hyperplasia. The traditional Chinese medicine preparation for treating mammary gland hyperplasia comprises, by weight, 50-70 parts of Resina Draconis, 50-70 parts of Sargentodoxa cuneata, 40-60 parts of Pheretima, 40-60 parts of Scorpio, 40-60 parts of Rhizoma et Radix Nardostachyos, 30-50 parts of Herba Lycopi, 30-50 parts of Rhizoma Wenyujin Concisa, 20-40 parts of borneol, 30-50 parts of Radix Polygoni Multiflori, 10-30 parts of Caulis et Folium Clerodendri Bungei, 20-40 parts of Ramulus et Folium Adhatodae Vasicae, 30-50 parts of Radix Cucubali Bacciferi, 20-40 parts of Retinervus Luffae Fructus, 20-40 parts of Concha Arcae, 20-40 parts of Semen Astragali Complanati, 20-40 parts of Radix Dipsaci, 20-40 parts of Herba Cynomorii and 20-40 parts of Herba Patriniae. The traditional Chinese medicine preparation for treating mammary gland hyperplasia is capable of promoting blood circulation to remove meridian obstruction, reducing phlegm, resolving masses, regulating qi to alleviate pain, soothing the liver and reinforcing the kidney.

The invention relates to a device for realizing the scour corrosion test of the impeller of a sea water pump. The device is composed of an impeller installation module, a corrosion environment simulation module, a scour condition simulation module and an acceleration module; an impeller under test is arranged in the water tank of the corrosion environment simulation module; the water tank of the corrosion environment simulation module is filled with artificial seawater; the impeller under test is installed on the installation shaft of the impeller installation module and is connected with a variable-frequency motor and a variable-frequency driver through the installation shaft; a scour nozzle of the corrosion environment simulation module, which is corresponding to the impeller under test,is arranged in the water tank; and the scour nozzle is connected with the output opening of a circulating water pump through the flowmeter, shrinking pipe section, rectifying device, sand injection device and regulating valve of the scour condition simulation module; the input opening of the circulating water pump is connected with the bottom water outlet of the water tank through a pipeline anda filtering device; and the circulating water pump is connected with a circulating water pump variable-frequency motor and a variable-frequency driver. With the device of the invention adopted, the real working environment of the impeller of the sea water pump can be simulated, the scour corrosion tests of impellers of various types and specifications can be carried out, and the reliability of theimpellers can be evaluated.

The invention relates to a traditional Chinese medicine preparation for treating gastropathy. The traditional Chinese medicine preparation is prepared from, by weight, 180-220 parts of red yeast rice, 130-170 parts of fructus amomi, 180-220 parts of malt, 180-220 parts of hawthorn fruits, 180-220 parts of aflatoxin, 180-220 parts of cuttlebone, 80-120 parts of radix aucklandiae, 80-120 parts of fructus citri sarcodactylis, 60-100 parts of fructus polygoni orientalis, 130-170 parts of herba taraxaci, 130-170 parts of rhizoma atractylodis, 130-170 parts of bletilla striata and 80-120 parts of pericarpium granati. The traditional Chinese medicine preparation has the effects of resolving dampness, promoting appetite, tonifying the spleen, regulating qi, helping digestion, removing swelling, promoting blood circulation to arrest pain, protecting the stomach and relieving hyperacidity. The traditional Chinese medicine preparation has a remarkable effect clinically for treating chronic gastritis, erosive gastritis, gastric ulcer, functional dyspepsia and other diseases.