268results about How to "Avoid interaction" patented technology

The invention relates to the technical field of preparation of organic photoelectric materials, in particular to a boron-nitrogen compound and an organic electroluminescent device comprising the same. The boron-nitrogen compound disclosed by the invention has good electron and hole receiving capability, and interaction among luminescent molecules can be effectively inhibited by introducing a spirocyclic group with large steric hindrance. And the energy transmission performance between a subject and an object or a sensitizer can be improved by the large conjugated spiro structure unit. Specifically, the boron-nitrogen compound provided by the invention is used as a functional layer, especially as an organic electroluminescent device manufactured by a luminescent layer, the current efficiency is improved, the lighting voltage is reduced, and meanwhile, the service life of the device is greatly prolonged. Therefore, after most electrons and holes are compounded, energy is effectively transferred to the boron-nitrogen compound, so that high luminous efficiency is realized.

The invention relates to the technical field of epoxy resin coatings, and discloses an inorganic composite nano anticorrosive coating material and a preparation method thereof. The inorganic composite nano anticorrosive coating material comprises a component A, a component B and a component C, wherein the component C is obtained by mixing a functional modified inorganic composite nano material and aluminum sorbate; the component A is obtained by mixing modified epoxy resin, a defoaming agent and an anti-settling agent, and the component B comprises a polyamide curing agent. The inorganic composite nano anticorrosive coating material disclosed by the invention has excellent toughness, wear resistance, corrosion resistance, antibacterial and antifouling properties and ultraviolet resistance.

The invention provides a sodium-ion battery negative electrode material, a preparation method thereof and a sodium-ion battery, and relates to the technical field of battery negative electrode materials. According to the method, oxidized asphalt is used as a soft carbon material, and hydroxyl-rich biomass (chitin, chitosan and lignin) is used as a hard carbon precursor; and mixing the two materials, and performing crosslinking and carbonization treatment to obtain the sodium-ion battery negative electrode material. According to the technical scheme, by adjusting the proportion of soft carbon and hard carbon and optimizing crosslinking conditions, the crosslinking degree between the soft carbon and the hard carbon is improved, formation of a more stable crosslinking structure is promoted, the specific capacity and the rate capability of the negative electrode material can be effectively improved due to the appearance of the crosslinking structure, the rapid charging and discharging capacity of the negative electrode material under high rate is enhanced, and the service life of the negative electrode material is prolonged. The battery can meet the requirement of quick charging, the applicability of the battery in high-power application is expanded, and the battery has wide application prospects in the fields of electric automobiles, energy storage systems and the like.

The invention relates to the field of automobile wire harnesses, and mainly discloses an automobile wire harness tensile torsion testing device and a testing method.The automobile wire harness tensile torsion testing device comprises a table plate, supporting legs and a bottom plate, an adjusting mechanism and an adjusting motor are installed at the top of the bottom plate, a testing mechanism is installed at the top of the adjusting mechanism, and strip-shaped holes are symmetrically formed in the table plate along the center; a wire containing disc is further installed in the middle of the top of the table board, the strip-shaped holes are distributed in the two sides of the wire containing disc, the strip-shaped holes in each side are arranged in a scattering mode, and the two ends of the top of the testing mechanism correspond to the strip-shaped holes in a one-to-one mode. The testing mechanism designed by the invention is matched with a strip-shaped hole formed in the table plate for use, and a torsion mechanism and a locking mechanism which are arranged on the testing mechanism in a sliding manner can be adjusted to change the distance between the torsion mechanism and the locking mechanism; and the distance between the torsion mechanism and the locking mechanism can be adjusted, and meanwhile, the distance between different testing mechanisms can be changed, so that the mutual influence of the wire harnesses between the different testing mechanisms is avoided.

The waste gas and waste liquid incineration device comprises an incineration outer box body, an incineration inner container, an inner container space partition assembly, a partition sliding assembly, a multi-layer incineration assembly and a tail gas exhaust assembly, the incineration outer box body is divided into a conical part and a cylindrical part, and the conical part is arranged at the top end of the cylindrical part; the incineration inner container is arranged in the cylindrical part, the cross section of the incineration inner container is rectangular, the height of the incineration inner container is consistent with that of the cylindrical part, a partition plate is arranged at the top end of a gap formed by the incineration inner container and the cylindrical part, and the inner container space partition assembly is arranged in the incineration inner container. The partition sliding assembly is arranged in a gap formed by the incineration inner container and the cylindrical part, the multiple layers of incineration assemblies extend from the exterior of the incineration outer box body to the interior of the incineration outer box body, and the tail gas emission assembly extends from the interior of the incineration outer box body to the exterior of the incineration outer box body. According to the device, waste gas and waste liquid with various different characteristics can be treated at the same time, and dirt in the incineration device can be automatically removed.

The invention belongs to the technical field of analysis and detection, and relates to an analysis method and an analysis system of ethylene glycol by-product mixed alcohol, the analysis method comprises the following steps: S1, preparing a corresponding reference solution and a standard mixed alcohol solution according to a to-be-analyzed component in the ethylene glycol by-product mixed alcohol; s2, for the reference substance solution and the standard mixed alcohol solution, constructing a standard curve model corresponding to each component through gas chromatography; s3, collecting by-products in ethylene glycol production in real time, and filtering; according to the method, peak areas corresponding to components to be analyzed in the mixed alcohol sample are obtained and then substituted into respective standard curve models respectively, and the content of the components to be analyzed in the mixed alcohol sample is obtained. According to the method, the standard curve model is constructed, and the mixed alcohol is pretreated, so that the content of multiple components in the mixed alcohol is analyzed and detected, the analysis time is shortened, the analysis cost is reduced, and the analysis accuracy and sensitivity are improved.

The invention provides a video frame sharing access method, a storage medium and video equipment. The method comprises the following steps: a producer process writes a frame of video frame data corresponding to a target video source into a target shared memory according to a production annular queue and a data writing index; the target consumption process responds to a preset judgment rule and judges whether video frame data which is not consumed by the target consumption process exists in the target shared memory or not according to a target queue index in the target consumption context data, and if yes, video frame data which is not consumed by the target consumption process are stored in the target shared memory according to the target queue index and a target consumption annular queue in the target consumption context data; and determining a target to-be-read memory identifier, accessing a target shared memory corresponding to the target to-be-read memory identifier in a read-only manner, and obtaining target video frame data. According to the method and the device, on the basis of ensuring that the production real-time performance of the video frame is not influenced by the consumption speed and different consumption task processes are not mutually influenced, the occupation amount of CPU resources and memory resources is reduced.

The invention relates to the field of photovoltaic adhesive films, and discloses an anti-migration long-service-life light conversion adhesive film and a preparation method and application thereof.The anti-migration long-service-life light conversion adhesive film comprises a light conversion layer, an anti-migration layer and a UV cut-off layer which are sequentially arranged in an attached mode; the raw materials of the light conversion layer comprise first matrix resin and a light conversion agent; the raw materials of the anti-migration layer comprise second matrix resin and inorganic nano powder; the particle size D50 of the inorganic nano powder is 1-200nm, and the mass of the inorganic nano powder is 0.01-0.5% of the total mass of the anti-migration layer; the anti-migration layer is pre-crosslinked through electron beam irradiation; the raw materials of the UV cut-off layer comprise third matrix resin and an ultraviolet absorbent. The anti-migration layer added with the inorganic nano powder and pre-crosslinked through electron beam irradiation is arranged between the light conversion layer and the UV cut-off layer, the free volume of a crosslinked polymer can be effectively reduced by adding the inorganic nano powder and carrying out electron beam irradiation pre-crosslinking, and a migration channel of an auxiliary agent is blocked; mutual migration of the light conversion agent and the ultraviolet absorbent is effectively prevented.

The invention discloses a film covering and packaging machine for plastic parts with arc-shaped surfaces, and relates to the technical field of film covering, the film covering and packaging machine for the arc-shaped plastic parts integrates transmission and packaging, and a transmission part of the film covering and packaging machine comprises a mounting plate, a transmission roller, a transmission belt and a driving device; and the packaging part is provided with a leveling roller, an ion fan, a negative pressure dust collector, an electrostatic generator, a steering roller, a film covering roller and a laminating roller, the diameter of the laminating roller is adjustable, the laminating roller adapts to different arc-shaped plastic parts, it is ensured that the film is completely electrostatically adsorbed and attached to the surfaces of the plastic parts, and the laminating quality is guaranteed.

The invention discloses a pushing type rotary steering structure based on drilling build-up rate prediction, and aims to solve the problem of low build-up rate prediction precision caused by the fact that the influence of an action execution control mode of a pushing block is not considered in the build-up rate prediction process of a pushing type rotary steering tool. Drilling parameters are monitored and acquired in real time, data analysis is carried out, real-time working condition analysis is carried out by combining drilling gaps in the drilling parameters with the deflection angle of a drilling stabilized platform to obtain the current drilling build-up rate, and instructive compensation action is provided for the prediction process of the drilling build-up rate. Specifically, action compensation is actively carried out by a pushing block through a hydraulic execution assembly, on the basis that normal operation of a guiding tool of a small-diameter structure is ensured, mutual influence and restriction between a drilling tool and a well wall in the deep-going process are avoided, the stability and efficiency of drilling operation are improved, and the drilling efficiency is improved. And effective technical support is provided for drilling of a complex well track.

The utility model relates to the technical field of fluid mixing reaction devices, and discloses a microreactor. The micro-reactor comprises a reaction plate, a flow channel is concavely arranged on the reaction plate, the flow channel comprises a feeding area, a mixed reaction area and a discharging channel which are communicated in sequence, the feeding area comprises a first feeding channel, a second feeding channel and a premixing channel, the second feeding channel is located in the first feeding channel, the extending direction of the second feeding channel is the same as that of the first feeding channel, and the premixing channel is located in the second feeding channel. One end of the pre-mixing channel is respectively communicated with the discharging ends of the first feeding channel and the second feeding channel, and the other end of the pre-mixing channel is communicated with the mixing reaction area. According to the microreactor, in the feeding process, two kinds of fluid cannot collide, mutual influence of the two kinds of fluid due to large flow velocity difference is avoided, and compared with the prior art, premixing of the two kinds of fluid is better facilitated, so that the premixing effect and the uniformity degree of the two kinds of fluid are improved, and subsequent full mixing reaction of the two kinds of fluid is better facilitated.

The invention relates to the technical field of preparation of solid beverages, discloses a preparation method of a ketogenic solid beverage, and provides active high-protein cream powder, protein is modified through hydroxypropyl distarch sodium phosphate under the action of thermal induction and is covalently grafted with fructo-oligosaccharide, a structure with relatively high stability is formed after grafting, and the ketogenic solid beverage is prepared. And protein molecules are not easy to gather together. According to the present invention, the nutrition level of the product is further enriched, the absorption of the nutrition of each component by the human body is easily achieved, the malnutrition problem caused by the ketogenic diet is avoided, the unpleasant taste caused by the addition of fat and protein is avoided through the reasonable matching of the components, and the brewing property of the solid beverage is improved through the improvement of the active high-protein cream powder; the obtained ketogenic solid beverage has the characteristics of balanced nutrition, good flavor, stable property and easiness in storage.

The invention relates to the technical field of computer data, in particular to a floating point data processing method and device, computer equipment and a storage medium. The floating point data processing method is applied to a main processor, a coprocessor composed of an anti-trigonometric function module is embedded in the main processor, and the method comprises the steps that a to-be-processed floating point variable of an anti-trigonometric function and corresponding data processing information are obtained from the coprocessor according to a preset floating point instruction; the method comprises the following steps: converting a to-be-processed floating point variable into a to-be-processed fixed point variable, carrying out shift processing according to an index part and a mantissa part of the to-be-processed floating point variable, mapping a shifted target fixed point variable to a preset coordinate space, carrying out vector iteration on the mapped fixed point variable, obtaining an initial output result after iteration, and carrying out reflection mapping to obtain a target fixed point variable; and obtaining a target output result after reflection and carrying out floating point conversion to obtain a target floating point quantity. The invention provides an anti-trigonometric function floating point data processing method with higher efficiency.

The invention relates to a springback-reducing sprayed concrete admixture suitable for alpine and low temperature and application of the springback-reducing sprayed concrete admixture. The springback-reducing sprayed concrete admixture comprises the following components: 50-80 parts of a water reducing agent; 5 to 30 parts of a graphene oxide-nano chitin copolymer; 400 to 500 parts of a nano active component; 20-40 parts of an auxiliary material; and 300 to 450 parts of water. Nano chitin (ChNF) prepared by a TEMPO method is subjected to silanization modification and then is grafted with graphene oxide to obtain GO-ChNF. In the concrete, the graphene oxide, the nano chitin and the nano active component are compounded in proportion, a two-dimensional lamellar structure of GO and the nano chitin can be bridged between hydration products and cooperate with auxiliary materials to achieve a lubricating effect, the flowing working performance of the sprayed concrete is improved while the bonding performance is not lost, spraying construction is smooth, pipe blockage is avoided, and the service life of the sprayed concrete is prolonged. The construction efficiency is improved and the cost is reduced. The copolymer can reduce the porosity in the concrete by 15-20%, and can form a barrier layer on a concrete interface, thereby effectively preventing harmful substances such as moisture, chloride ions and the like from invading, protecting the internal structure of the concrete and improving the durability of a support system.

A micropore array grating temperature and pressure sensor disclosed by the present invention comprises an optical waveguide, a micropore array grating and a microcavity array grating, an optical transmission channel is arranged in the optical waveguide, and the micropore array grating and the microcavity array grating are formed in the optical transmission channel of the optical waveguide in parallel. The micropore array grating is communicated with the external environment, and the microcavity array grating is isolated from the external environment. The micropore array grating temperature and pressure sensor can avoid mutual influence of environment temperature and environment pressure during measurement so as to realize simultaneous measurement of different environment temperatures and different environment pressures. The invention also provides a preparation method and a test calibration method of the micropore array grating temperature and pressure sensor.

The utility model discloses a split type dust collection mechanism which comprises an exhaust fan, an air pipe, a dust collection cover and a controller, a cavity with an opening is formed in the dust collection cover, the opening is sealed by a mesh, one end of the air pipe is connected with an air inlet pipe of the exhaust fan in an inserted mode, the other end of the air pipe is connected into the cavity, and the controller is electrically connected with the exhaust fan. The dust collection cover can be directly arranged on the periphery of the industrial cutting equipment in a covering mode before the dust collection cover is used, so that in the starting process of the exhaust fan, the dust collection cover is used for continuously sucking air carrying dust in multiple directions on one hand, air and dust are separated in situ on the other hand, the exhibition construction environment is improved, and mutual influence between exhibition points is avoided.

The invention discloses a driving backboard and a display panel, and belongs to the technical field of display. The driving backboard comprises a substrate, a plurality of pixel driving circuits located on one side of the substrate, a plurality of first data lines and a plurality of second data lines. The plurality of first pixel driving circuits in one column of pixel driving circuits are electrically connected with one first data line, and the plurality of second pixel driving circuits in one column of pixel driving circuits are electrically connected with one second data line. In the first direction, signal output points in the first pixel driving circuit and / or the second pixel driving circuit are distributed between the first data line and the second data line, and the minimum distance between the signal output points and the first data line and the minimum distance between the signal output points and the second data line are both larger than 0. Thus, the two data lines can provide data signals for different pixel driving circuits respectively, it is guaranteed that each pixel driving circuit has sufficient charging time, and the display effect is improved.

The invention discloses a liquid fertilizer formula prepared by compounding a tylosin finished product liquid and other components, and relates to the technical field of fertilizer preparation, and the liquid fertilizer formula comprises the steps of special pretreatment of tylosin, auxiliary compounding, nutrient substance addition and quality detection post-treatment. Certain carbon-carbon bonds, carbon-hydrogen bonds and other chemical bonds in tylosin molecules and byproducts thereof can be broken and recombined under bombardment of active particles, more functional groups with high activity are generated, the biological activity of the finished tylosin liquid can be enhanced, the finished tylosin liquid can be more easily compounded with other components in the subsequent process, and the stability of the finished tylosin liquid is improved. A stable compound with better synergy is formed by means of chemical bonding, hydrogen bonding and the like, ultrasonic waves are uniformly spread in a supercritical carbon dioxide medium, generated high-frequency vibration, cavitation effect and the like act on all the components, and the agglomeration phenomenon possibly existing among the components is further broken.

The invention provides a high-order mode filter and a preparation method thereof. The high-order mode filter comprises a substrate, a flat plate groove, a first stray light absorption region and a reflection region, wherein the substrate comprises a base, an insulating layer and a semiconductor top layer which are arranged in sequence; the flat plate grooves are arranged in the semiconductor top layer at intervals, and a ridge waveguide is formed between every two adjacent flat plate grooves; the first stray light absorption areas are distributed in the semiconductor top layer on the two sides of the ridge waveguide and are used for absorbing stray light in incident light; the reflection areas are arranged in the flat plate grooves in the two sides of the ridge waveguide, an inclination angle is formed between the length direction of the reflection areas and the light propagation direction in the ridge waveguide, the inclination angle is smaller than 90 degrees, and the reflection areas are used for reflecting light emitted from the outer sides of the reflection areas to the ridge waveguide. The stray light reflected by the side wall of the flat plate groove can be blocked to a great extent, the stray light is prevented from entering the waveguide again, and attenuation of stray light is greatly increased.

The invention discloses a security immunity control method for a heterogeneous unmanned cluster system under distributed denial of attack. According to the method, an event triggering mechanism is adopted, so that continuous information interaction between followers is avoided, discrete communication is realized, a sesame phenomenon is effectively eliminated, and the limitation of limited communication bandwidth under an actual condition is eliminated; in addition, the design requirement for a distributed observer in a traditional method is eliminated, and extra information transmission caused by state variables of the observer is avoided. A controller is designed based on a matching thought to get rid of a system model prior information constraint, and state tracking can be realized under the conditions that the system model is uncertain and different communication links suffer from independent attacks; meanwhile, the equivalent attenuation rate of the communication channel is introduced, the attenuation condition is analyzed under the condition that each communication link is subjected to independent attacks, and the uncertainty of a system model and the diversity of network attacks in the actual situation are effectively dealt with.

The invention relates to the technical field of calcium carbonate production, and discloses stirring type modified calcium carbonate preparation equipment and modified calcium carbonate. The stirring type modified calcium carbonate preparation equipment comprises a production device and a collection device, the production device comprises a stirring tank, a base, an upper cover and a stirring set, the base is located at the bottom and placed on the ground, and the stirring tank is located on the base; according to the invention, through the arrangement of the separation fan, the stirring rod and the main grinding disc, the equipment can stir while grinding, and meanwhile, after the upper turntable is matched with the lower turntable, grinding, stirring and separation can be carried out at the same time, so that the grinding efficiency is improved, and the grinding efficiency is improved. The multi-purpose effect of one machine is achieved, a plurality of large-scale devices are used in cooperation before and are reduced to be the same device, the powder conveying frequency is reduced, the powder content in a plant can be effectively reduced, and meanwhile the number of the devices is reduced, so that the production cost can be greatly reduced.

The invention provides an animation display method and device based on iOS, a storage medium and electronic equipment, the method is applied to any iOS client, and the method comprises the steps that target user parameters issued by a server are received, and the target user parameters comprise a target user head portrait, a target user name and a target user animation identifier; based on the target user animation identifier, determining a corresponding target VAP video animation, each VAP video animation having transparency and having a head portrait display area and a character display area; and rendering the target VAP video animation based on the target user head portrait and the target user name, and displaying the target VAP video animation. According to the scheme, on the basis of the VAP video animation, more individuation and interaction requirements are considered, and a better animation display effect is achieved.

The present invention discloses a heptafluorobutyryl fluoride electrolytic cell that is convenient for material collection, comprising: an electrolytic cell body, a large electrolytic cell cover detachably mounted on the top, corresponding electrode cover plates detachably mounted at intervals on the large electrolytic cell cover, and anode columns and cathode columns are fixedly connected to the electrode cover plates respectively; a material discharge mechanism, corresponding isolation plates are fixedly connected to the electrolytic cell body between two adjacent electrode cover plates, the material discharge mechanism comprises a material collection plate fixedly connected to the bottom of the space formed by the isolation plate and the electrolytic cell body, corresponding material discharge holes are respectively arranged in the middle of the material collection plate, and corresponding plug bodies are respectively installed and can be lifted and lowered at the material discharge holes; a driving mechanism is used to drive the plug body to be lifted and lowered. The present invention can effectively form closed isolation for each electrolysis area to prevent excessive mutual influence on the electrolysis process between each electrolysis area; and can uniformly harvest the products produced by each electrolysis area as usual.

The invention belongs to the technical field of three-dimensional packaging, and provides a radio frequency microsystem three-dimensional packaging shell structure which comprises a metal bottom plate, a metal cover plate and a ceramic frame of a frame-shaped structure, and the metal bottom plate and the metal cover plate are fixedly installed at the two ends of the ceramic frame respectively; a plurality of groups of mounting tables are fixedly mounted on two groups of symmetrical side walls in the ceramic frame, and the plurality of groups of mounting tables on the same group of side walls are arranged in a step shape, so that the technical problems that in the prior art, the cooling means is single, and the heat dissipation requirement of a high-power chip is difficult to meet are solved; during use, air can be driven by heat generated by a chip to circularly flow in a sealed area formed by the metal bottom plate, the metal cover plate and the ceramic frame, heat dissipation can be performed on the air in the air circular flowing process, and the chip three-dimensional packaging structure can be widely applied to three-dimensional packaging scenes of chips.

The utility model discloses an energy-saving light-emitting diode (LED) backlight lamp, which relates to the technical field of LED backlight lamps and comprises a substrate. A mounting groove is formed in the base plate, the mounting groove penetrates through the outer walls of the left side and the right side of the base plate, and a penetrating groove communicating with the mounting groove is formed in the surface of the front end of the base plate; according to the LED backlight lamp, the clamping strips are matched with the clamping grooves to enable the fixing plate to be clamped at one end of the L-shaped strip, then the fixing plate enables the baffle to abut against the surface of the front end of the base plate, the LED backlight lamp bodies are arranged on the surface of the front end of the base plate, and the LED backlight lamp bodies are arranged on the surface of the front end of the base plate. Due to the fact that the transparent heat insulation film is installed at the end, close to the substrate, of the baffle, heat released by the LED backlight lamp body can be isolated under the action of the transparent heat insulation film, mutual influence of the heat of the LED backlight lamp body and heat generated when the liquid crystal display works is avoided, overall heat dissipation is facilitated, and the service life of the liquid crystal display is prolonged. And further, the working efficiency and the service life of the LED backlight main body and the liquid crystal display are improved.

The utility model discloses an energy storage container, and relates to the technical field of energy storage. The energy storage container comprises a container body, an air conditioning device and a first exhaust fan. The box body is provided with a containing cavity and a separator, the separator divides the containing cavity into a battery bin and an equipment bin, the battery bin comprises a first bin body and a second bin body, and the second bin body is communicated with the first bin body; the first bin body is provided with a first air inlet and a first air outlet, the first air outlet and the first air inlet are arranged at intervals in the height direction of the box body, and the air conditioning device is arranged on the outer wall of the first bin body and communicates with the first air inlet; the first exhaust fan is arranged at the first air outlet. According to the energy storage container provided by the invention, the heat dissipation effect of the battery compartment is effectively improved, so that the use performance of the battery cluster is improved, and the service life of the battery cluster is prolonged.

The invention discloses a high and low concentration double-loop multi-point switching monitoring method based on data analysis, and particularly relates to the field of data analysis, and the method comprises the steps of S1, multi-point division, S2, loop data acquisition, S3, loop data preprocessing, S4, loop data analysis, S5, data comprehensive analysis, S6, comprehensive concentration quality index judgment, and S7, man-machine interaction. According to the invention, the area to be monitored is subjected to multi-point division, so that the concentration can be finely monitored, the mutual influence between high and low concentration samples is avoided through the double-loop design, the monitoring accuracy is improved, the monitoring reliability and stability are also improved, and the monitoring interruption caused by the fault of a single loop is reduced; different concentration rationality calculation is carried out on the monitoring sub-regions with different concentrations, the summary of the to-be-monitored region is obtained, and a manager further judges the to-be-monitored region according to the content of the summary, so that the monitoring rationality is reflected, and the resource utilization rate is further improved.

The invention discloses a material supply insurance method and system applying a supplier productivity matching coordination model, and relates to the technical field of productivity coordination, and the method comprises the following steps: obtaining supplier historical supply data, and constructing a supply fluctuation curve based on a supply type according to the supplier historical supply data; dividing suppliers into a dynamic supply unit and a static supply unit according to the supply fluctuation curve and the fluctuation threshold; constructing a multi-objective optimization function with the minimum cost, the highest technical iteration speed and the minimum fluctuation, and constructing a supplier productivity matching coordination model according to the dynamic supply unit and the static supply unit by the multi-objective optimization function; and obtaining a current production plan, and outputting a material insurance supply strategy based on the production plan and the supplier capacity matching coordination model. The method has the beneficial effects that material supply is carried out through a stable static supply unit as much as possible, and the stability of material supply and the balance between cost and product evolution are ensured.

The utility model belongs to the technical field of diffuser plates, and particularly relates to an expandable turbocharger diffuser plate which comprises a diffuser plate body, a sealing groove is formed in the side face of the diffuser plate body, an integrally-formed positioning block is arranged in the sealing groove, and a first expansion plate and a second expansion plate are arranged on the outer side of the diffuser plate body. Sealing convex rings are arranged on the inner side faces of the first expansion plate and the second expansion plate, positioning grooves are formed in the sealing convex rings, a butt-joint groove is formed in one end of the first expansion plate, a butt-joint plate is arranged at one end of the second expansion plate, a screw hole is formed between the butt-joint groove and the top of the first expansion plate in a penetrating mode, and a screw hole is formed between the top face of the butt-joint plate and the ground in a penetrating mode. According to the device, the diffusion plate can be rapidly expanded by being assembled with the first expansion plate and the second expansion plate, meanwhile, the sealing performance and stability are good, mutual influence of airflow on the two sides of the diffusion plate is avoided, and the first expansion plate, the second expansion plate and the diffusion plate are stably fixed.

The invention discloses a multi-path isolation pressurization circuit and method and a multi-path isolation pressurization testing device and method.According to the multi-path isolation pressurization testing device and method, a plurality of charging branches which are connected in parallel are adopted to charge a plurality of flexible direct current converter valve sub-modules, the charging efficiency is improved, and isolation circuits are arranged in the charging branches, so that the charging efficiency is improved; and the clamping resistor is connected between the negative output ends of the adjacent charging branches, so that the mutual influence between the adjacent series sub-modules is effectively prevented, a connecting copper bar between the sub-modules does not need to be removed, and the charging efficiency is further improved.