108results about How to "Simplified operational requirements" patented technology

The invention relates to a method for correcting an elasticity modulus and stress-strain curve in a metal material compression test and a related model. The model is a sandwiched model. According to the method for correcting a metal material compression elasticity modulus and stress-strain curve obtained by the model, most of national standard or non-national standard samples of metal materials with linear strengthening behaviors, particularly metal samples in which L is equal to (2.5-3.5) d or L is equal to (2.5-3.5) b or L is equal to 2d or L is equal to 2b can be corrected, so that the real compression elasticity modulus can be measured on samples which are unsuitable for measuring the compression elasticity modulus in the national standard stipulation; particularly, the method can be used for correcting the elasticity modulus and stress-strain curve of small-size non-national standard samples. According to the method, the construction of a mechanical constitutive equation is greatly convenient, and for research and development of novel materials, the requirements of the test technology on the sizes and shapes of the samples can be lowered, the measured mechanical parameters are reliable, and the research and development period is shortened.

The invention discloses a measuring method of high-temperature oil-water relative permeability of a heavy oil reservoir. A method for replacing high-temperature oil-water relative permeability of the heavy oil reservoir with oil-water relative permeability under the low-temperature oil-water system condition is put forward for the first time, reduces the measuring difficulty of the high-temperature oil-water permeability of the heavy oil reservoir, avoids potential safety hazards caused by high-temperature and high-pressure experiment conditions and simplifies experiment processes and operation requirements, and the oil-water relative permeability obtained with the two measuring methods is basically identical on the premise that the oil-water viscosity ratio is equal, thus, simple, time-saving, safe and accurate measurement of the high-temperature heavy oil relative permeability is realized with the method.

The invention relates to a preparation method of an oral biofilm. The preparation method comprises the following steps: adding type I collagen protein into an acetic acid solution to prepare a collagen-acetic acid swelling solution; adding chondroitin sulfate and stirring to prepare a collagen-chondroitin sulfate serous fluid; carrying out vacuum freeze-drying; pressing to prepare a collagen composite film; spraying the collagen-chondroitin sulfate serous fluid between two layers of the collagen composite film, and carrying out vacuum freeze-drying; carrying out high temperature vacuum crosslinking; and sterilizing after crosslinking to obtain a collagen-chondroitin sulfate composite oral biofilm. The invention has the following beneficial effects: the oral biofilm prepared by the above method has good histocompatibility, suitable controllable degradability and absorbability, low antigenicity and good plasticity and mechanical property; the oral biofilm is used in oral operation; and the three-dimensional porous structure of the oral film provides a tissue engineering scaffold for repairing of wounded tissues, is beneficial to invasion of cells and differential growth and can induce reparative regeneration of defective tissues, and specific thickness of the biofilm can effectively prevent ingrowth of soft tissue.

The invention discloses an automatic horizontal boring and milling machine which is mainly composed of a machine body (1), a lower sliding seat (2), an upper sliding seat (3), a workbench (4), a spindle box (5), a vertical post (6), a boring shaft (7), a feeding servo motor (8), a guide rail and an electric system, wherein the machine body (1) is provided with two guide rails, namely, a guide rail A (20) and a guide rail B (21), both of which have the same horizontal height and are in parallel arrangement; a workbench clamping mechanism is also arranged between the upper sliding seat (3) and the workbench (4); the workbench clamping mechanism is specifically composed of a hydraulic cylinder (24), a piston (25), a disc spring (26), a piston rod (27) and a round gasket (28). The automatic horizontal boring and milling machine has a simplified structure, low fault rate, high machining precision, clamping reliability of the workbench and expectable huge economic value and social value.

The invention provides a quantitative detection method for the residual quantity of chlorantraniliprole in the soil. The method is characterized in that the ultrasonic extraction of residual chlorantraniliprole in the soil is conducted in an acetonitrile solvent, and then impurities are removed by adopting a proper amount of MWCNTS and PSA adsorbent. An obtained supernate is subjected to nitrogen-blowing, concentrating and drying, and then the volume is metered by adopting an acetone and n-hexane mixed solvent, wherein the volume ratio of acetone to n-hexane in the mixed solvent is 1:1. After that, the obtained mixture is subjected to programmed warming and separating by adopting a HP-5 chromatographic column, and the ECD determination is conducted by an electronic capture detector. Finally, the residual quantity of chlorantraniliprole is quantitatively detected based on the matrix external standard method. Experiments prove that, the above method is simple, rapid and accurate in operation, easy to popularize and master, and low in cost. Therefore, the method provides a rapid and reliable method for the residual quantity measurement of chlorantraniliprole in the soil, and the requirements of the batch sample analysis on quality and progress can be met.

The invention is suitable for the technical field of detection of novel coronavirus SARS-CoV-2, provides a primer and probe for normal-temperature and isothermal rapid detection of novel coronavirus SARS-CoV-2, and also provides a reagent, method and kit for normal-temperature and isotherma rapid detection of novel coronavirus SARS-CoV-2. The novel coronavirus SARS-CoV-2 can be detected rapidly and specifically in real time under the normal-temperature and isothermal conditions. Under the combined action of the specific primer, specific probe, five engineering enzymes and other chemical components, rapid detection of the target is achieved through nucleic acid colloidal gold test strips. No large-scale equipment is needed, a short detection time, convenient operation and high accuracy areachieved, result interpretation is simple and intuitive, and the primer, probe, reagent, method and kit are especially suitable for on-site detection.

The invention provides an automatic blood group serology detection method and an automatic detection system for realizing the method. The method provided by the invention is convenient and effective, controllably improves the suspension effect of micro liquid and satisfies the operation requirements of blood immune reaction, so that results are more reliable and accurate; an adopted test tube luminous flux detection method is the obtained most widely-used method, can quickly judge experimental results and is high in accuracy rate, high in detection rate of weak agglutination and better in sensitivity. The detection system provided by the invention can quickly judge the experimental results through close cooperation of all parts and is high in accuracy rate, high in detection rate of weak agglutination and better in sensitivity; particularly, a bead adding device obtains a good effect and is high in degree of automation, accurate and quick in bead adding action, so that the vibration intensity of an existing oscillating mechanism is greatly reduced, the suspension effect of the micro liquid is improved, and the operation requirements of the blood immune reaction is satisfied.

The present invention discloses a method for detecting toxinogeny of microcyst alga. According to the principle of that the microcyst alga toxic synthetase gene mcy B only is existed in toxigenic microcyst alga said invention uses mcyB sequence to design out specific primer TOX1P / 1M and TOX2P / 2M, and utilizes complete cell PCR, preparation of sample, synthesis of primer, PCR reaction and electrophoretic detection to define that the microcyst alga is toxigenic or not. Said invention is short in detection time, good in reproducibility and high in sensibility and accuracy, can be used for massively and quickly identifying microcyst algae in the culture or natural water sample which are toxigenic or not.

The invention discloses a method for preparing 4,4'-biphenol by promoting parachlorophenol coupling reaction by virtue of metal samarium under the catalysis of cupric salt. The method comprises the following steps: mixing parachlorophenol in ionic liquid [bmim]Cl chlorobutyl methylimidazole while stirring for dissolving, and sequentially adding metal samarium powder, anhydrous copper chloride powder; carrying out a reaction system under an anhydrous condition; stirring at the room temperature until the reaction is complete; recycling ionic liquid from obtained reaction mixed liquid; and carrying out column chromatography separation on a crude product, so as to obtain 4,4'-biphenol, and carrying out recrystallization, so as to obtain a pure product, wherein the yield of the pure product is70%-95%.

The invention discloses a device for treating eutrophication water blue algae. In the device, an ultrasonic alga-removing device is fixed on the inner wall of a reaction tank; an alga-collecting pipe is connected to a side upper part of the reaction tank with a height corresponding to a water surface; a booster pump is arranged outside the other side of the reaction tank; the input end of the booster pump is communicated with the reaction tank through a pipeline, while the output end is communicated with a hydraulic cavitation jet device through the pipeline and a flowmeter; one end of the hydraulic cavitation jet device is fixedly connected with the reaction tank through a flange and the end port is a jet inlet communicated with the reaction tank; the other end of the hydraulic cavitation jet device is communicated with a starting end of a return pipe and the end port is a jet outlet; two reducing pipes which are symmetrically arranged and reduced towards the middle are communicated with each other between the jet inlet and the jet outlet; the middle reducing part forms a throat pipe; and the throat pipe is communicated with one end of a pressurizing pipe. An ultrasonic alga-removing process and a hydraulic cavitation jet process are combined to be implemented in one device, so the device has good effects of improving the quality of bottom materials, adjusting a water temperature layer and supplying oxygen by microorganisms and fulfills the aim of removing the algae.

The invention discloses a welding man-hour calculation method based on a ship block construction mode, comprising the following steps: extracting three-dimensional geometric model, assembly structurehierarchy information and weld seam information from ship design software; According to the construction process specifications and requirements, At that visual interface of the three-dimensional geometric model, input the construction mode of group erection, middle erection and section, obtain the construction datum level information, calculate the angle information of the weld seam under the construction state, determine the welding posture of the weld seam, determine the correction coefficient of the welding man-hour, and determine the preparation time before welding and the post-welding treatment time; It is helpful to improve the accuracy and convenience of calculation of weld planning man-hour, change the influence coefficient from discrete skip type to continuous one, improve the accuracy of calculation of weld planning man-hour is also helpful to reduce the cost of welding man-hour, and help to scientifically and reasonably determine the construction mode of segments.

The invention discloses a bending discharging mechanism. The bending discharging mechanism comprises a base (1). The base (1) is provided with a reference face (3) used for containing the free end of a pipe (2), and the free end of the pipe (2) rotates through the reference face (3). The base (1) is provided with a boss (4) which is higher than the reference face (3) and is used for positioning the other end of the pipe (2). The boss (4) is provided with an opening (5). The base (1) is provided with a through hole (6) for the bent pipe (2) to slide in the vertical direction. The bending discharging mechanism is low in maintaining cost and easy and convenient to operate, and manual pipe taking is not needed.

The invention relates to a quantitative determination method for general chlorantraniliprole residual quantity. The method is characterized in that residual chlorantraniliprole in a test sample is subjected to ultrasonic extraction by an acetonitrile solvent, a proper amount of MWCNTS and PSA adsorbents are used for removing impurity, a supernatant is subject to nitrogen blowing and concentrating until nearly dry; volume metering is carried out by using an acetone-hexane mixed solvent with volume ratio of 1:1, a HP-5 chromatographic column program is used for heating and separating, electron capture detector ECD detection is carried out, and a matrix external standard method is used for quantification. Through test, the method has the advantages of simple, fast and accurate operation, easy popularization and grasping, low cost, is the rapid and reliable method for detecting the residual chlorantraniliprole in different samples, and can satisfy the quality and progress requirement by analysis of large-batch samples.

The invention relates to a transferring operational platform for containers used in the nuclear industry. The operational platform comprises a transferring robot, an open-close gripper and a container. The open-close gripper is arranged on the transferring robot and is matched with the container. The container comprises a container body and a container cover. The container cover comprises a cover body and a chucking mechanism. The chucking mechanism includes a rotary shaft, an elevating nut, a jaw, a retainer lever, a limit lever and a force applying plate. The open-close gripper includes a gripper body, a translational mechanism, a rotary mechanism and a gripper mechanism. A rotary operation member cooperates with an operation end of the rotary shaft; the gripper member cooperates with the container body and the container cover, and a positioning member is matched with the force applying plate. The automatic and reliable transferring operational platform is capable of satisfying the actual demands of nuclear industry, and possessing a certain degree of adjustability in the operating state. Furthermore, by using the transferring operational platform, accidents can be avoided in case of emergency and the danger can be precluded through manual adjustment.

The invention relates to a network verification system with a verification code seal and an operation method of the network verification system. The network verification system with the verification code seal comprises a supervision department website, a supervision department database and a record query terminal of the supervision department; file recording terminals and record query terminals of different units are all networked with the supervision department database, the supervision department website and the record query terminal of the supervision department by the internet and a firewall; a seal verification code is formed in the verification-code-editable seal, and an adjustable verification code numeric disc device with 0-9 numbers is arranged in the seal verification code, the numbers of the adjustable verification code numeric disc device can be selected and grouped to generate the seal verification code; rotary drum type single number discs are serially connected or movable types with single numbers are inserted in a side-by-side manner in the adjustable verification code numeric disc device. The network verification system with the verification code seal and the operation method of the network verification system have the beneficial effects that the seal can better meet actual needs, is low in production cost and simple to operate, and has high counterfeit reliability and broad coverage area.

The invention relates to the field of hydrogen storage material, and discloses a niobium-based coordination hydroboron composite hydrogen storage material and a preparation method. The hydrogen storage material is mainly used for the fields of fuel cell hydrogen supply source, hydrogen vehicles and the like. The basic material of the composite hydrogen storage material-niobium-based coordination hydroboron has the following chemical formula: Nb(BH4)5, and the hydrogen storage density in unit mass is 12wt%. The preparation method of composite hydrogen storage material is as follows: under the protective atmosphere of a room temperature and inert gas, grinding lithium borohydride and halogenate niobium in an agate mortar according to the molar ratio being 5:1, wherein white LiBH4 is gradually changed into the rufous Nb(BH4)5 hydroboron during grinding, thus directly obtaining Nb(BH4)5 / 5LiM composite hydrogen storage material. According to the method, the needed niobium-based coordination hydroboron can be synthesizing by simple manual grinding under normal temperature and pressure, the operation requirement is simple, the safety is high, and the invention is particularly suitable for large-scale industry production.

The invention discloses an unmanned aerial vehicle and a heading alignment method and device thereof, and a computer-readable storage medium. The heading alignment method of the unmanned aerial vehicle comprises the steps of: calculating an attitude based on a speed output by a global navigation satellite system; determining a first heading angle according to the attitude, and calculating a firstacceleration according to the speed and the attitude; calculating a heading difference value between an inertial device and the global navigation satellite system according to the first acceleration and a second acceleration output by the inertial device; and sing a sum of the first heading angle and the heading difference value as a heading angle of the inertial device in a navigation coordinatesystem. According to the heading alignment method disclosed by the invention, the heading difference value between the inertial device and the global navigation satellite system can be figured out according to the first acceleration obtained by the global navigation satellite system and the second acceleration obtained by the inertial device, so that the initial heading alignment of the inertial device is completed theoretically, and the heading alignment efficiency and convenience are improved.

The invention belongs to the field of a metallurgical technology, particularly provides a method for preventing nitrogen increase of molten steel in LF (Ladle Furnace) refining process by top-blowing argon gas. In the LF refining process, pure argon is top blown with an LF top-blow argon gun or an LF accident argon gun at a site 140-170mm from the surface of molten steel at a flow rate of 20-80NL / min to create an inert gas environment, so as to stably control the amount of nitrogen increase smaller than 5ppm. The method of the invention has the following advantages: low-slag refining is adopted to reduce cost; the requirement for operation is simple; the impact on process is low; the original LF accident argon gun is utilized, so that no equipment needs to be additionally provided; the refining time needs not to be deliberately compressed in order to reduce nitrogen absorption, other refining effects are not influenced, and the quality of molten steel is improved; and the method has significant social and economic benefits.

The invention discloses a micro-mesoporous core-shell composite molecular sieve for reducing harmful ingredients of cigarettes and a preparation method of the micro-mesoporous core-shell composite molecular sieve. The preparation method comprises the following steps: adding a template agent into a solution of which the alcohol-water ratio is (1:1)-(4:3); then adding a zeolite molecular sieve; performing ultrasonic dispersion for 0.5-2 hours; dropwise adding tetraethoxysilane of which the mass is 1-1.5 times that of the zeolite molecular sieve into the zeolite molecular sieve; stirring for 24-48 hours at room temperature; extracting the template agent by using ethanol at normal temperature to obtain a mesoporous-microporous core-shell composite molecular sieve material. In the preparation method disclosed by the invention, the template agent is extracted directly by using ethanol, so that high-temperature calcination is saved, and the preparation process is simpler; the micro-mesoporous core-shell composite molecular sieve is simple and convenient in operation and equipment requirement and low in price, and has good application prospect; the micro-mesoporous core-shell composite molecular sieve has a significant adsorption effect on harmful substances especially phenol in smoke of cigarettes when being applied to a binary composite filter rod.

The invention is suitable for the technical field of vibrio parahaemolyticus detection, and provides a primer and probe for rapidly detecting vibrio parahaemolyticus at room and isothermal temperature. A reagent and method which include the primer and probe and can rapidly detect the vibrio parahaemolyticus are also provided. Thus, rapid, real-time and specific detection can be performed on the vibrio parahaemolyticus under room and isothermal temperature conditions. Through the combined action of the specific primer, the specific fluorescent probe, four engineering enzymes and other chemicalcomponents, the rapid detection of nucleic acid targets can be realized in an instrument having fluorescence detection functions; closed tube detection can be guaranteed through strict experimental operation steps, so that aerosol pollution can be effectively prevented; and the detection method is suitable for the detection of various fluorescence detection equipment.

The invention discloses a stamping die used for metal pipe mouth forming. The stamping die comprises a lower die and an upper die, wherein the lower die is fixed above a work table through a fastening device, and the upper die corresponding to the lower die is installed on a press head. The fastening device of the lower die comprises a lower die fixing plate which is vertically fixed with the work table, one end of the lower die is fixedly connected with the lower die fixing plate, and the other end of the lower die extends out of the lower die fixing plate and is arranged to be parallel to the work table. The upper end face of one side, extending out of the lower die fixing plate, of the lower die is arranged to be a convex semi-circular-arc-shaped convex-press face, the convex-press face is sleeved on a metal pipe placed horizontally in a matched mode, a convex arris used for the pipe mouth forming is arranged on the convex press face along the circumference, a concave semi-circular-arc-shaped concave-press face is arranged on the lower end face of the upper die and used for press fitting of the metal pipe in a matched mode, and a groove is formed in the concave press face and matched with the convex arris to form a pipe mouth. The technical problem that an existing open type stamping device is used for forming the pipe end of a thin-wall medium-diameter pipe fitting is solved, and the stamping die used for the metal pipe mouth forming can carry out the pipe mouth forming machining on metal pipes with different pipe diameters.

The invention discloses a micro-mesoporous core-shell composite molecular sieve for reducing harmful ingredients of cigarettes and a preparation method of the micro-mesoporous core-shell composite molecular sieve. The preparation method comprises the following steps: adding a template agent into a solution of which the alcohol-water ratio is (1:1)-(4:3); then adding a zeolite molecular sieve; performing ultrasonic dispersion for 0.5-2 hours; dropwise adding tetraethoxysilane of which the mass is 1-1.5 times that of the zeolite molecular sieve into the zeolite molecular sieve; stirring for 24-48 hours at room temperature; extracting the template agent by using ethanol at normal temperature to obtain a mesoporous-microporous core-shell composite molecular sieve material. In the preparation method disclosed by the invention, the template agent is extracted directly by using ethanol, so that high-temperature calcination is saved, and the preparation process is simpler; the micro-mesoporous core-shell composite molecular sieve is simple and convenient in operation and equipment requirement and low in price, and has good application prospect; the micro-mesoporous core-shell composite molecular sieve has a significant adsorption effect on harmful substances especially phenol in smoke of cigarettes when being applied to a binary composite filter rod.

The invention relates to a quantitative detection method for chlorantraniliprole residue in tea leaf. The quantitative detection method is characterized in that the residual chlorantraniliprole in tea leaf is subjected to ultrasonic extraction with an acetonitrile solvent, impurities are removed with a proper amount of MWCNTS and a PSA adsorbent, the supernatant is subjected to nitrogen blowing and concentration to achieve a close drying state, volume metering is performed with an acetone-n-hexane mixed solvent having a volume ration of 1:1, programmed heating separation is performed with a HP-5 chromatographic column, ECD determination is performed with an electron capture detector, and quantitation is performed through a matrix external standard method. According to the present invention, the test results confirm that the method has characteristics of simple, rapid and accurate operation, easy popularizing and grasping and low cost, provides the rapid and reliable method for the determination of the chlorantraniliprole residue in the tea leaf, and can meet the requirements of the large-batch sample analysis on the quality and the progress.

The invention brings forward an object information display method, system and device. The method comprises that picture data sent by a first terminal are received; a panoramic picture of a scene is generated according to the received picture data; pictures intercepted on the panoramic picture of the scene by a second terminal are received; object information matching the pictures intercepted on the panoramic puncture of the scene is searched; and the object information is fed back to the second terminal. An operation requirement for uploading object pictures is simplified, and manpower and material resources are saved. Besides, the process of browsing objects is more realistic, browsing efficiency is enhanced and enhancement of object display effect is facilitated.

The invention discloses a method for realizing condensation coupling of diphenylketone and N,N-disubstituted amide under the catalysis of cuprous iodide and the promotion of metal samarium. The diphenylketone is mixed and dissolved into a small amount of N,N-disubstituted amide under stirring, and metal samarium powder, iodine with the catalysis quantity and cuprous iodide powder. The reaction system is conducted under the waterless condition. The reaction temperature range is from room temperature to reflux temperature. Stirring is conducted until complete reaction. The obtained reaction mixed liquid is subjected to after treatment and the pure product is obtained through chromatographic column separation, and the yield is 60 to 95 percent.

The invention relates to a preparation method of an oral biofilm. The preparation method comprises the following steps: adding type I collagen protein into an acetic acid solution to prepare a collagen-acetic acid swelling solution; adding chondroitin sulfate and stirring to prepare a collagen-chondroitin sulfate serous fluid; carrying out vacuum freeze-drying; pressing to prepare a collagen composite film; spraying the collagen-chondroitin sulfate serous fluid between two layers of the collagen composite film, and carrying out vacuum freeze-drying; carrying out high temperature vacuum crosslinking; and sterilizing after crosslinking to obtain a collagen-chondroitin sulfate composite oral biofilm. The invention has the following beneficial effects: the oral biofilm prepared by the above method has good histocompatibility, suitable controllable degradability and absorbability, low antigenicity and good plasticity and mechanical property; the oral biofilm is used in oral operation; and the three-dimensional porous structure of the oral film provides a tissue engineering scaffold for repairing of wounded tissues, is beneficial to invasion of cells and differential growth and can induce reparative regeneration of defective tissues, and specific thickness of the biofilm can effectively prevent ingrowth of soft tissue.

The invention discloses a bending and blanking device. The device comprises a base (1), wherein the base (1) is provided with a reference surface (3) for placing a free end of a pipe (2) and rotating the free end of the pipe (2); the base (1) is provided with a boss (4) higher than the reference surface (3) for positioning the other end of the pipe (2); the boss (4) is provided with an opening (5) for accommodating the end part of the pipe (2); the base (1) is provided with a through hole (6) for sliding the bent pipe (2) in the vertical direction; the shape of the through hole (6) is consistent with the bending shape of the pipe (2); and the through hole (6) penetrates through the upper surface and the lower surface of the base (1) in the vertical direction, and is communicated with the opening (5) in the vertical direction. The invention provides the bending and blanking device with low maintenance cost, simple operation and no need of manual pipe taking.

The invention relates to the technical field of WEB information and provides an intelligent report realization method and apparatus. The method comprises the steps of displaying a queriable business type to a user; obtaining query information input by the user, and displaying data corresponding to the query information in the business type to the user; obtaining a report comprising the data; obtaining business information corresponding to the data from the report; according to the data and the business information corresponding to the data, generating a new report; and displaying the new report to the user. The method and the apparatus can solve the problems of complex process of performing data analysis and arrangement in multiple reports by the user and complex operation in the prior art.

The invention discloses a synthesis method of N,N-dialkyl diphenyl propionamide. The method is characterized by accelerating coupling reaction of diphenylketone and N,N-dialkyl acetamide under the action of p-toluenesulfonic acid in the absence of solvent by using metallic samarium under the catalysis of cuprous iodide so as to prepare N,N-dialkyl-3,3-diphenyl propionamide. The method comprises the following steps: mixing and dissolving diphenyl ketone in N,N-dialkyl acetamide under stirring, then successively adding metallic samarium powder and cuprous iodide powder; adding p-toluenesulfonicacid, reacting through a reaction system in the absence of water, stirring until the reaction is completed; treating the obtained reaction mixed liquid, then carrying out column chromatography separation to obtain pure N,N-dialkyl-3,3-diphenyl propionamide with a yield of 60-99%.