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

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 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 conicalcylinder 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 ismatched 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 thedevice 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 object of the present invention is to provide a push-bending forming device and method for continuous reverse-bending aluminum alloy pipe fittings. The technical solution adopted in the present invention is a push-bending forming device for continuous reverse-bending aluminum alloy pipe fittings, which includes a pressing die, a forming die, a forming die locking device, a mandrel, a mandrel support frame and a lower die holder. The pressing die is provided with an upper punch, the forming die includes two symmetrical and detachable forming dies, the forming die is provided with a cavity with continuous reverse bending geometry, and the core mold supporting frame A mandrel supporting frame is provided, one end of the mandrel is connected with the mandrel supporting frame, and the other end is set in the cavity of the continuous inversion geometric feature of the forming die; the forming die locking device can be set on the forming die It is locked outside, and the lower die holder is provided with a lower die holder groove that matches the forming die and the mandrel support frame.

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 relates to the technical field of biology, in particular to a tissue microarray of decidua and villi pairing, a preparation method and application thereof. The tissue microarray is prepared with the decidua and villus specimens of a normal pregnancy woman or a pathologic pregnancy patient arranged in sample application holes, so that pairing is formed between the decidua tissue and the villus tissue from the same specimen, and the functional presentation of the maternal-fetal interface of a physiological structure onto the tissue microarray is achieved. The tissue microarray has the advantages that high throughput is achieved, plenty of information is obtained in one time, and the efficiency is improved by hundreds of times; parallelization is achieved, the comparability is high, and the precision is high; the experimental error is small, and experimental conditions remain the same; convenience is brought to arrangement of various kinds of experimental control, and the research cost is greatly reduced. The tissue microarray can be used for etiology screening and molecular typing of pathologic pregnancy, screening and verifying of a novel marker, screening of individual treatment patients, judgment of a therapeutic effect and prognosis and the like, and the tissue microarray has important significance for the research of a normal pregnancy maintaining mechanism and pathologic pregnancy pathogenesis.

The invention belongs to the field of machinery manufacturing, in particular to a method for the research of the structural deformation in the process of marine crankshaft hot jacket as well as measures of deformation prevention, which are suitable for the design and the manufacturing process of a large-scale marine crankshaft hot jacket. The invention adopts the computer simulation technology toresearch the structural deformation rules of the process of the crankshaft part hot jacket under the traditional processing, and then quantitatively provides the method for preventing the structural deformation of the marine crankshaft hot jacket according to the structural deformation rules of the crankshaft part under the traditional processing. The method can quantitatively research the structural deformation rules of the process of the crankshaft hot jacket, and can avoid the deformation according to the preventive measures. The marine crankshaft obtained in the hot jacket way by the preventive measures can obviously reduce (even eliminate) the structural deformation caused by asymmetric geometry around the hot jacket holes, reduces reserved processing allowance during the rough machining of the parts and the difficulty of follow-up cold working, and shortens the production cycle of the crankshaft.

The invention discloses a standard modular assembly for construction, which comprises a frame body and a C-shaped steel member outside; the outer frame of the frame body is in the shape of a square; And it is connected with one side of the outer frame of the frame in its length direction, and partly protrudes outside the frame body in its width direction. The components can be divided into two types: the first component and the second component, and the outer frames are all in the shape of a rectangle. The invention also discloses an assembled building, which comprises a building structure frame assembled from the above-mentioned standard modular components for building. The present invention realizes universal standard modular prefabrication production, and then realizes relatively changeable low-rise ordinary civil building structure, adapts to people's demand for high-efficiency use of buildings, and adapts to low-rise or low-rise buildings with other functions. Assembly industrialization requirements, suitable for popularization and application.

The invention relates to a multi-technology fusion embedded software testing method. According to the characteristics of the model embedded software, with the help of professional software testing tools and equipment, a variety of embedded software testing methods are optimally combined. Manual or automatic The method verifies the function of the software and the ability to handle faults, ensures the comprehensiveness and integrity of software testing, improves the efficiency of software testing, and achieves high reliability and high security indicators.

The present invention provides a new method of determination of volcanic rock layering marks. The method provided by the invention comprises: performing GR logging aiming at an object volcanic rock interval, and obtaining a GR curve of the object interval; eliminating abnormally high values and abnormally low values in the GR curve based on the available research data; finding out the maximum value GRmax and the minimum value GRmin of the GR of the object interval in the processed GR curve, defining the maximum value GRmax and the minimum value GRmin as the environmental critical level of the GR of the object interval, and calculating an environmental factor [Delta]; drawing a curve chart through the environmental factor [Delta], lining out the baseline of the [Delta] curve in the curve chart, and dividing the curve into different typical regions according to the relative position relation of the [Delta] curve and the baseline through the overall observation, the curve breaks at the cutting line being layering marks, with respect to different rock stratums, between different rock stratums. According to the new method of determination of volcanic rock layering marks, the influence of human factors may be substantially reduced so that GR values in the regions may be unified onto the same comparing platform; and moreover, the accuracy of the layering may be improved, the determination time of the layering may be reduced, and the research cost may be decreased.

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 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.