15results about How to "Meet technical requirements" patented technology

The invention relates to the technical field of energy storage management, in particular to an energy storage capacity optimal configuration method based on a shared energy storage mode. The method comprises the following steps: carrying out target area load characteristic index extraction by using a power dispatching center, and generating energy storage area load characteristic data; node association strength processing is carried out according to the energy storage area load characteristic data, and power grid node association topological data is generated; acquiring regional power supply plan data; performing space-time coupling supply-demand balance analysis on the regional power supply plan data based on the load characteristic data of the energy storage region to generate complementary potential data between corrected regions; and carrying out shared energy storage node capacity optimization according to the complementary potential data among the correction regions, and generating dynamic energy storage capacity configuration data. Through cross-regional electric energy fine scheduling management, the shared energy storage capacity optimization configuration is realized, the problem of power supply and demand matching is effectively solved, and the acceptance capability of a power grid to renewable energy sources is improved.

The application relates to the technical field of nuclear fuel assembly manufacturing, and particularly discloses a nuclear fuel assembly casting type upper tube seat machining clamp and a machining method, wherein the tube seat blank is placed on a bottom plate, a positioning top block is pushed, four positioning pins below a positioning push rod are centered with positioning holes of the tube seat blank; then a positioning rod B is screwed to shorten the distance with a positioning rod A; then locking screws and fastening bolts on the edge frame of a positioning frame plate are locked to fix the tube seat blank on the bottom plate, positioning is realized; finally, the positioning rod B is completely screwed out of the positioning rod A, the bottom plate, the positioning frame plate and the tube seat blank are integrally taken out and fixed on a machining equipment. The machining clamp and the machining method satisfy the positioning clamping and machining requirements of the casting type upper tube seat, the upper tube seat after machining completely satisfies the drawing and technical condition requirements, and the machining scheme satisfies the engineering production.

The invention relates to the technical field of piston ring processing, and discloses an online monitoring system for piston ring doctor blade processing quality, which comprises a detection unit, a transmission unit, an integrated analysis unit and the like. According to the device, the outline data of outer circle winding of the doctor blade can be monitored on line, so that real-time roundness value data and waviness value data can be obtained through calculation, it is guaranteed that products completely meet the technical requirements, and unqualified products are completely eradicated. Meanwhile, through online monitoring, quality problems can be found and processed in time, batch quality problems are avoided, and losses and influences are reduced. A mapping relation between product quality and equipment, processing personnel or other related factors is established, the influence of manual control of mold precision, assembly precision and service life on roundness and waviness can be verified, and a direction is indicated for a subsequent quality improvement strategy. And the product batch information is obtained and recorded during processing, so that process tracing can be conveniently carried out when needed.

The invention belongs to the technical field of rubber plastic machinery, and discloses a high-precision gear phase assembling device. Comprising a gear phase centering device and a gear shaft phase hoisting device. The gear is mounted on the gear phase centering device, and the gear shaft is mounted on the gear shaft phase hoisting device; and the gear and the gear shaft are positioned and aligned through the gear phase centering device and the gear shaft phase hoisting device. All the components are assembled on the gear and the gear shaft in advance, the gear and the gear shaft can be correctly assembled within the extremely short cooling window period, the high-precision phase requirement of the gear and the gear shaft is smaller than or equal to 1 '11' + / -0.05 mm, and the method is actually applied to production and actual inspection and completely meets the technical requirements of customers.

The invention provides a method for qualitatively detecting a safflower component in honey by using real-time fluorescent PCR (Polymerase Chain Reaction). The method comprises the following steps: extracting DNA (Deoxyribose Nucleic Acid) in a honey sample; designing and synthesizing a primer and a probe sequence of a safflower specific gene; and carrying out real-time fluorescent PCR reaction, and reading and analyzing a fluorescent signal so as to judge whether the honey sample contains the safflower component or not. The real-time fluorescence PCR method can be used for effectively detecting the safflower specific gene segment in the honey sample, the specificity is good, the detection limit is 1%, and the method is suitable for qualitative detection of the safflower component in the honey.

The invention provides an on-chip variable resistance device structure and electronic equipment. The on-chip variable resistance device structure comprises a substrate, a nitride epitaxial layer, an electrode structure layer and a gate structure layer, wherein the nitride epitaxial layer is formed on the substrate; the electrode structure layer and the gate structure layer are formed on the nitride epitaxial layer; the electrode structure layer comprises a first electrode and a second electrode, the nitride epitaxial layer comprises a channel layer and a barrier layer which are used for forming a heterojunction interface, and the gate structure layer comprises a first semiconductor layer and a third electrode which are stacked and formed on the barrier layer, and a separation groove formed in the first semiconductor layer. By regulating and controlling the extension path and the structure parameter of the separation groove on the barrier layer and combining the applied voltage of the third electrode, the concentration and the distribution of two-dimensional electron gas at the heterojunction interface and the dynamic control of a conductive channel can be realized, so that the wide-range and high-precision dynamic adjustment of the on-chip resistance device structure on-resistance is realized, and the on-chip resistance device is suitable for large-scale production. The technical requirements of a high-performance integrated system on the on-chip variable resistor are met, and the on-chip variable resistor has important application value.

The invention relates to a processing technology for preparing a steel strip for high manganese austenite low temperature steel flux-cored welding wire. The technical scheme comprises the following steps: polishing and grinding a high manganese austenite low temperature steel hot rolled strip, cold rolling, welding and coiling the strip; then performing four annealing heat treatments and cold rolling, and finally performing one annealing heat treatment: the temperatures (°C) of the five annealing heat treatments are 950-1080, 980-1100, 970-1060, 950-1040, 980-1020, the heat preservation time is 0.5-1.0 hour, and the protective atmosphere is hydrogen; the cooling rates (°C / min) are 100-120, 120-140, 140-160, 240-260, 280-300, the thicknesses (mm) of the four cold rollings are 1.5-2.3, 0.8-1.5, 0.6-0.8, 0.4-0.6, and trimming is performed to obtain a steel strip for preparing a high manganese austenite low temperature steel flux cored welding wire. The invention has simple ingredients, low powder filling rate and high production efficiency. The manufactured product is suitable for all high manganese austenite low temperature steel flux cored welding wires and meets the technical requirements for preparing high manganese austenite low temperature steel matching flux cored welding wires.

The invention relates to a silver-ruthenium alloy slurry suitable for a multilayer ceramic capacitor and a preparation process thereof, and the preparation process comprises the following specific steps: carrying out sandpaper polishing pretreatment on a ruthenium target to remove a surface oxide layer, and drying to obtain a treated ruthenium target; the treated ruthenium target is immersed in a solution containing silver nitrate, and nanosecond pulse laser is focused on the surface of the ruthenium target for laser scanning ablation; and after ablation is completed, the ruthenium target is taken out, liquid obtained after laser scanning ablation is collected, centrifugal collection is carried out, drying treatment is carried out after cleaning and centrifuging, and a powder product, namely the silver-ruthenium alloy material is obtained. And putting the obtained silver-ruthenium alloy material, an organic auxiliary agent, inorganic nonmetal powder and other metal powder into a ball mill according to a proportion, uniformly mixing under high-energy grading ball milling and stirring, and keeping the temperature for a period of time to obtain the silver-ruthenium alloy slurry. The silver-ruthenium alloy slurry has the advantages of high-temperature sintering resistance, simple preparation process, narrow particle size distribution, controllable particle size, good dispersity and stability and the like, and overcomes the defects of poor stability, no high-temperature resistance, complex preparation process and the like of the existing conductive slurry.

The invention discloses a device and method for connecting hollow-core anti-resonance optical fibers and an optical module, and the device comprises two hollow optical fibers which are coaxially arranged in a mirror symmetry manner, the end part of each hollow optical fiber is provided with a connector, and a hollow flange is arranged between the two connectors. An included angle is formed between the end face of each hollow optical fiber and a plane perpendicular to the central axis of the hollow optical fiber, the end faces of the two hollow optical fibers are coaxially arranged in parallel, each connector comprises an outer frame, and the outer frame is provided with a guide groove extending in the axial direction of the hollow optical fiber. A guide boss matched with the guide groove is arranged on the inner wall of the hollow flange. Reflection of an optical fiber connection end face is effectively reduced, and transmission quality and stability of optical signals are improved.

The invention discloses an object-side telecentric optical imaging system with a long object distance, and relates to the field of optical imaging. The optical system comprises a first lens, a second lens, a third lens, an aperture, a fourth lens, a fifth lens, a sixth lens and a seventh lens in sequence from the object side to the image side along the optical axis; the optical focal lengths of the first lens, the third lens, the fourth lens, the fifth lens and the seventh lens are positive, and the optical focal lengths of the second lens and the sixth lens are negative; and -0.51<f1 / f<-0.36, 0.45<f2 / f<0.63, -0.66<f3 / f<-0.49, -0.18<f4 / f<-0.07, -0.10<f5 / f<-0.05, 0.05<f6 / f<0.06, -0.04<f7 / f<-0.02, wherein: f is the focal length of the object side telecentric optical imaging system; f1, f2, f3, f4, f5, f6, f7 are the focal lengths of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens in sequence. The invention has the advantages of long object distance, high object telecentricity, low distortion, large depth of field, etc.

This utility model discloses a fixture for a front-end decorative strip module of an automobile fender, including a fixture body and a positioning component disposed on the fixture body. The fixture body includes a first inspection area, a second inspection area, and a third inspection area for inspecting three main parts of the front end of the fender: the top, the middle, and the bottom. The first and third inspection areas are respectively located at both ends of the second inspection area. The positioning component includes multiple positioning blocks and magnetic blocks disposed on the fixture body, and also includes a positioning pin disposed in the first inspection area. The fixture body is positioned at the front end of the fender by the positioning component, and the gap between the fixture body and the front end of the fender after positioning is used to measure the surface height difference and contour gap value of the front end of the fender. This simulates the fit between the contact parts of the subsequent assembled parts, identifies possible gap surface difference fit problems in advance, and determines whether the dimensions of the front end of the fender meet the design requirements at the body-in-white stage.

The invention discloses an offshore gas storage old well sealing layer superfine cement paste system which comprises the following components in parts by weight: 100 parts of oil well superfine cement, 1-3 parts of a suspending agent, 1-3 parts of a nano reinforcing agent, 1-3 parts of an expanding agent, 3-5 parts of micro silicon, 6-7 parts of a fluid loss agent, 0-0.35 part of a retarder, 0.05-0.06 part of a defoaming agent and 54-63 parts of water. The main technical indexes of the gas storage old well sealing layer superfine cement paste are as follows: the adaptive temperature is 60-100 DEG C; the density of the cement paste is 1.70-1.80 g / cm < 3 >; the initial consistency is less than 30Bc; the free liquid of the cement paste is 0; the upper and lower density difference of the cement stone column in a settlement stability test is less than 0.02 g / cm < 3 >; the water loss of the cement paste is less than 50ml; the 24-hour compressive strength of set cement is greater than or equal to 14 MPa; the gas permeability of the set cement is less than 0.05 * 10 <-3 > mu m < 2 >, the technical requirements of the gas storage old well seal layer superfine cement paste are met, and the field application result shows that the result meets the engineering requirements.

The application provides an ultrathin ultrawide low-temperature steel plate and a production method thereof. The chemical composition of the steel plate comprises, in percentage by mass, C: 0.06%-0.09%, Si: 0.15%-0.25%, Mn: 1.10%-1.20%, P≤0.012%, S≤0.003%, Cr: 0.10%-0.20%, Ni: 0.20%-0.35%, Nb: 0.015%-0.025%, Ti: 0.005%-0.015%, Alt: 0.02%-0.05%, T.O≤0.002%, N≤0.005%, H≤0.00015%, and the balance is iron and inevitable impurities. The continuous casting billet with the aforementioned chemical composition of the steel plate is subjected to the processes of heating, descaling, rolling, cooling and straightening to obtain the ultrathin ultrawide low-temperature steel plate. The inclusion size of the continuous casting billet is less than or equal to 35 microns, and the center segregation grade is better than the B class 1.0 grade.

The invention provides a titanium alloy isothermal thermal forming process based on analogue simulation. The titanium alloy isothermal thermal forming process comprises the steps that S1, a material performance database capable of being recognized by Autoform software is established according to input variables and output variables of a material performance test; s2, determining an isothermal hot forming process route according to the characteristics of the titanium alloy part, wherein the isothermal hot forming process route comprises an isothermal hot deep drawing process and an isothermal hot sizing process; s3, theoretical analysis is conducted according to the material performance database and the isothermal thermal forming process route, and thermal forming parameters needing to be simulated in the isothermal thermal deep drawing procedure and the isothermal thermal sizing procedure are determined; s4, performing analogue simulation of an isothermal hot deep drawing process and an isothermal hot sizing process on the titanium alloy plate by using Autoform software; and S5, trial-manufacturing of the part is conducted according to the forming parameters obtained through analogue simulation, and the forming parameters of the isothermal hot deep drawing procedure and the isothermal hot sizing procedure of the part are adjusted according to the forming quality of the trial-manufactured part so that the part can meet the technical requirements of the part.

This invention relates to the field of bamboo powder and polymer composite materials, specifically to a biodegradable film and bag modified bamboo powder / PBAT composite material and its preparation method. The composite material comprises the following raw materials in parts by weight: 5-20 parts modified bamboo powder, 0-6 parts polylactic acid resin, 65-85 parts PBAT polyester resin, 5-15 parts inorganic filler, and 0.5-2 parts lubricating dispersant. The modified bamboo powder is obtained by grinding bamboo powder in a disc mill, simultaneously adding a liquid ester coupling agent via spray, and then modifying it with ultraviolet irradiation. In this invention, during the ultrafine grinding of bamboo, an ester coupling agent is introduced via atomization, followed by ultraviolet irradiation to induce a free radical reaction, enhancing the hydrophobic modification effect of the ultrafine bamboo powder. This achieves efficient dispersion of the bamboo powder in the PBAT resin carrier, solving the problem of easy agglomeration, while ensuring excellent and stable blown film processing performance. The composite material can be applied to film and bag products such as mulch films, shopping bags, garbage bags, pet bags, and express delivery bags.