37results about How to "Reduce deterioration" patented technology

The invention discloses a coal mine ventilation optimization and air quality regulation and control method based on adaptive learning, and relates to the technical field of coal mine ventilation optimization, and the method comprises the following steps: arranging a plurality of sensors in a mine, carrying out the real-time collection and monitoring of key environment parameters, and uploading the collected data to a central control system; and comparing the collected real-time data with historical data, and dividing the collected real-time data into conventional working condition data and abnormal working condition data according to environment states. Through real-time monitoring of various sensors and a deep learning algorithm, accurate ventilation control is achieved, a problem area is rapidly positioned in an emergency, airflow is dynamically adjusted, and safety of miners is guaranteed. According to the system, an LSTM model is adopted to predict an event trend in advance, preventive regulation and control measures are taken in time, real-time adjustment is supported, and the strain capacity is improved. Through a multi-stage ventilation mode, the system optimizes energy consumption and equipment operation efficiency, reduces unnecessary energy waste and maintenance cost, and realizes balance between safety and economy.

The invention discloses a composite reinforcement type suction barrel device based on microorganism induction and a use method thereof. The composite reinforcement type suction barrel device based on microorganism induction comprises a suction barrel model system, a microorganism cement reinforcement system and a test monitoring system. The suction cylinder model system comprises a suction cylinder, a grouting pipeline and hydraulic equipment, and the grouting pipeline is laid on the inner wall of the suction cylinder and used for injecting microorganism cement grout; the hydraulic equipment is connected to the suction barrel and used for controlling lifting and pressing-in of the suction barrel. The microbial cement reinforcement system comprises liquid storage equipment and negative pressure equipment, and the liquid storage equipment is connected to the grouting pipeline and used for storing and providing microbial cement grout for the grouting pipeline; the negative pressure equipment is connected to the suction barrel and used for applying negative pressure to the interior of the suction barrel in the grouting process, and permeation of microorganism cement grout is promoted. The test monitoring system is used for testing mechanical parameters of a soil body, monitoring the suction barrel and carrying out a loading test on the suction barrel.

The invention relates to the technical field of sealing monitoring, and particularly discloses a tuyere small sleeve sealing monitoring method which specifically comprises the following steps: step 1, in a monitoring period, acquiring pressure data of a tuyere small sleeve at each monitoring time point, and analyzing to acquire an abnormal monitoring time point; 2, acquiring abnormal data of the abnormal monitoring time point based on the acquired abnormal monitoring time point, analyzing the abnormal data, and calculating a pressure abnormal evaluation value; wherein the abnormal data comprises an abnormal monitoring time point number proportion and an abnormal pressure deviation value degree ratio total value. Therefore, abnormity can be detected before the sealing performance is obviously reduced, measures can be taken as early as possible, problem deterioration is reduced, a pressure abnormity evaluation value is calculated based on abnormal data of an abnormal monitoring point, the sealing performance of the tuyere small sleeve can be quantitatively evaluated, maintenance personnel can know the sealing condition of the tuyere small sleeve more visually, and the maintenance efficiency is improved. And the production efficiency and the product quality are improved.

[Object] To provide a surface treated steel foil that is for a current collector and that has hydrogen barrier properties suitable for a battery using a hydrogen occluding alloy. [Solving Means] The surface treated steel foil for a current collector has a first surface on which a hydrogen occluding alloy is disposed and a second surface located on a side opposite to the first surface. The surface treated steel foil for a current collector is characterized by having an iron-nickel alloy layer that is laminated on at least one surface side of the first surface side and the second surface side on the side opposite to the first surface side of a metallic base material composed of steel foil and that restrains permeation or diffusion of hydrogen in the surface treated steel foil for a current collector, and is characterized in that at least one layer included in the iron-nickel alloy layer has a thickness of not less than 0.5 um.

[Problem] To achieve both improvement of emission control performance of a catalytic converter and suppression of catalyst degradation. [Solution] A honeycomb type metal substrate is provided, which is formed by alternately stacking metal flat foil and metal corrugated foil, wherein a plurality of holes are formed in the metal flat foil and the metal corrugated foil, and a burr having a small height is formed on the edge of each hole, wherein at least the surface of the burr is covered with an oxide coating containing α-alumina in the metal flat foil and the metal corrugated foil, and when the average pore size of the plurality of holes is defined as D, the pore size ratio of the holes is defined as R, and the average height of the burr is defined as L, the following equations (1) to (3) are satisfied, 0.2 mm ≤ D ≤ 4.0 mm (1); 5% ≤ R ≤ 70% (2); 0.1 μm ≤ L ≤ 30 μm (3).

The utility model provides a noise reduction type automobile triangular arm assembly, belongs to the field of automobile suspension, and solves the problems that a rubber bushing mounted on a triangular arm is accelerated to age in an extreme environment, and the service life is shortened. A first arm body, a second arm body and a third arm body are arranged on the triangular arm, a connecting rod is welded to the second arm body, a fixing frame is installed on the connecting rod, a second rubber sleeve is installed in the fixing frame, a connecting part is arranged in the second rubber sleeve and makes contact with the connecting rod, and a lining is welded to the third arm body. A first rubber sleeve and a special part are installed in the lining, a rubber ring is installed in the special part, an installation part extends in the rubber sleeve, and the installation part is sleeved with the special part. The utility model has the advantages that the rubber sleeve I and the special part are arranged in the bushing, and the rubber sleeve I is in contact with the rubber ring and is buffered when moving violently; a connecting part is arranged in the second rubber sleeve and makes full contact with the connecting rod, and the second rubber sleeve is affected after the connecting rod is preliminarily buffered.

The present invention relates to a method for adjusting requested vehicle torque. A method for adjusting a powertrain torque output of a vehicle is described. In one example, the powertrain output torque of the vehicle is reduced by switching from a first curve of a transfer function to a second curve of the transfer function and then adjusting the powertrain output in response to the second curve of the transfer function.

The invention relates to the field of batteries, in particular to a thiophene compound and a preparation method thereof, an electrolyte and a battery. The structural formula of the thiophene compound is as shown in formula I, specifically, the thiophene compound containing cyano and sulfamido is obtained by carrying out electrophilic aromatic amino sulfonylation reaction on a cyano thiophene compound and an amino sulfonyl chloride compound; the electrolyte comprises a solvent, a lithium salt, an additive and the thiophene compound. The electrolyte provided by the invention comprises the thiophene compound containing the cyano group and the sulfamide group, and the thiophene compound not only can participate in film formation of a positive electrode and a negative electrode, but also can be complexed with transition metal ions dissolved out from the electrolyte, so that the high-temperature performance of the battery is synergistically improved.

A computer-implemented method of controlling a powertrain of a vehicle, the powertrain including a plurality of fuel cell systems and an electrical energy storage system. The method includes estimating a duration of vehicle stop of the vehicle; determining whether anti-freezing protection is required during the vehicle staying period; and if it is determined that the freeze protection is not required, shutting down the fuel cell system without enabling the freeze protection. If it is determined that the freeze protection is needed, the method may include estimating a threshold time indicative of a time at which a cost of maintaining operation of the fuel cell system exceeds a cost at which the fuel cell system is shut down; and if the estimated duration of vehicle stop expires after the threshold time, shutting down the fuel cell system and enabling the freeze protection.

A lithium ion secondary battery has an electrode body, a nonaqueous electrolyte, and a rectangular battery case that houses the electrode body and the nonaqueous electrolyte, in the electrode body, a positive electrode including a positive electrode substrate and a positive electrode composite material layer and a negative electrode including a negative electrode substrate and a negative electrode composite material layer are laminated with a separator made of a porous resin interposed therebetween and are wound to be flat, when a spring constant of the lithium ion secondary battery under a load of 316 to 210 N / cm 2 is assumed to be spring constant H, and when a spring constant of the lithium ion secondary battery under a load of 95 to 74 N / cm 2 is assumed to be spring constant L, a ratio L / H of the spring constant L to the spring constant H is 0.34 ≤ L / H ≤ 0.41, and an electrical resistance increase rate before and after a rectangular wave test is 1.17 or less.

An object of the present invention is to provide a resin composition having reduced deterioration in molding processability. The present invention provides a resin composition including polyethylene-based resin, an inorganic substance powder, zinc stearate, and stearic acid in predetermined ratios.

The invention relates to a 64-stage adjustable circuit from an AB mode to an A mode in the technical field of circuit adjustment. The 64-stage adjustable circuit comprises an offset voltage compensation circuit, a signal amplification control circuit, a power amplifier biasing circuit and a power amplification circuit, offset voltage caused by inconsistent device characteristics can be compensated through the offset voltage compensation circuit and the signal amplification control circuit, the purity and the stability of signals are ensured, meanwhile, input signals are accurately amplified, the probability of signal distortion is reduced, and the signal-to-noise ratio is increased; the power amplifier biasing circuit ensures that the power amplifier operates at the optimal working point, improves efficiency and reliability and reduces power consumption and heating, and the power amplification circuit is responsible for amplifying a signal to the required power level and ensures the strength and stability of the output signal. The 64-level adjustable design is adopted, the output power is accurately adjusted, real-time linkage is achieved, and the problem of artificial power supply low-frequency ripples caused by the fact that a class G amplifier solves the efficiency problem by adjusting the power supply voltage is solved.

The present invention provides a method and system for adaptively controlling a paleontological fossil preservation environment, and relates to the field of environmental control technology. The method comprises: obtaining the concentration of polluted gases, bacteria and dust at multiple preset positions in the preservation environment; determining whether to start a ventilation mode, a sterilization mode or a dust removal mode in the next control cycle; if the ventilation mode is started in the next control cycle, determining the ventilation requirement duration; obtaining internal temperature data and internal humidity data; obtaining external temperature data and external humidity data; obtaining the working power of the control system; determining whether the working power of the control system in the next control cycle needs to be adjusted; determining the working power of the adjusted control system; and setting the working power of the control system to the working power of the adjusted control system. According to the present invention, the working power of the control system can be accurately adjusted by starting the ventilation mode, thereby improving the stability of the paleontological fossil preservation environment.

The invention belongs to the technical field of cables, and particularly relates to a parallel reinforced overhead insulated cable. The preparation method comprises the following steps: carrying out a reaction on polyvinyl alcohol and trithiocarbonate to form polyvinyl alcohol-CTA with an RAFT functional group, then carrying out a free radical polymerization reaction on the polyvinyl alcohol-CTA and vinylidene fluoride to generate a triblock copolymer, and finally, carrying out a reaction on bismaleimide and a diene part in the triblock copolymer to obtain the self-healing weather-resistant additive. The self-healing insulating layer material with higher weather resistance is obtained by mixing the self-healing insulating layer material with cross-linked polyethylene, and the self-healing insulating layer material is applied to parallel reinforced overhead insulated cables, shows excellent durability, low maintainability and long-term reliability, and is very suitable for being used in various severe environments.

A tracker module (100) includes an integrated circuit (80) disposed on or in a module substrate (90), and a plurality of external connection terminals including a first external connection terminal and a second external connection terminal. The integrated circuit (80) includes a switch included in a pre-regulator circuit (10), a switch included in a switched-capacitor circuit (20), a switch included in a supply modulator (30), a first IC electrode connected to the first external connection terminal, and a second IC electrode connected to the second external connection terminal. The first external connection terminal is connected to a power inductor (L71) that is disposed outside the tracker module (100). The second external connection terminal is an input terminal for a digital control signal for the supply modulator (30). A distance between the first external connection terminal and the first IC electrode is shorter than a distance between the second external connection terminal and the second IC electrode.

The present invention relates to a method and system for controlling an engine idle stop. A method and system for controlling an engine idle stop based on upcoming traffic and road conditions are provided. In one example, a method includes receiving data including traffic information and road characteristics immediately ahead of a vehicle from one or more remote sources, and adjusting one or more vehicle thresholds based on the received data. An expected engine idle stop duration is estimated based on the received data, and an engine idle stop is initiated based on the expected engine idle stop duration and the adjusted one or more vehicle thresholds.

A fuel cell system (200) according to the present disclosure includes a fuel cell (100), a fuel gas path (1), a gas switch (2), a recycling path (3), a first discharge path (4), a first discharge unit (5), a second discharge path (6), a second discharge unit (7), and a controller (8). An initial state is defined as a state in which the gas switch (2) is in a first gas-flow stopping state, the first discharge unit (5) is in a second gas-flow stopping state, and the second discharge unit (7) is in a third gas-flow stopping state. To perform a drainage operation for discharging condensed water in the fuel gas path (1), the fuel cell (100), and the recycling path (3) during the stop of power generation by the fuel cell (100), the controller (8) switches the gas switch (2) in the initial state from the first gas-flow stopping state to a first gas-flowing state and switches the first discharge unit (5) in the initial state from the second gas-flow stopping state to a second gas-flowing state.

The invention provides a system and a method for battery cell degradation detection. Methods and systems are provided for a high voltage multi-array battery for a plug-in vehicle. In one example, a method may include monitoring that a rate of change of a difference in maximum cell voltage deviations of at least one cell array of a high voltage multi-array battery exceeds a predetermined threshold. In response to the rate of change exceeding a predetermined threshold, plug-in charging is aborted and a diagnostic fault code (DTC) is recorded in a memory of the vehicle.

The invention discloses a high-ductility cement-based composite material and a preparation method thereof. The high-ductility cement-based composite material is prepared from the following raw materials in parts by weight: 281 to 400 parts of cement, 888 to 914 parts of fly ash, 66 to 136 parts of recycled concrete micro powder, 450 to 490 parts of sea sand, 320 to 348 parts of water, 24 to 27 parts of polyvinyl alcohol fiber, 20 to 30 parts of styrene acrylate emulsion and 4 to 6 parts of water reducing agent. The styrene acrylate emulsion is prepared from the following raw materials in parts by weight: 10 to 20 parts of styrene, 2 to 10 parts of butyl acrylate, 10 to 30 parts of methyl methacrylate, 0.5 to 1 part of sodium dodecyl sulfate, 20 to 40 parts of water and 0.1 to 0.5 part of ammonium persulfate. The styrene acrylate emulsion is adopted to modify the cement-based composite material, the problem that sea sand affects the fresh mixing performance and hydration reaction of concrete is solved, the ductility and durability of the cement-based composite material are improved, and the cement-based composite material has good mechanical properties.

The present invention discloses a display panel and a display device, wherein the display panel includes a display area and a non-display area surrounding the display area; the display panel also includes an array substrate and an opposing substrate arranged relatively to each other, and a sealant and a liquid crystal layer located between the array substrate and the opposing substrate; the sealant is located in the non-display area; the liquid crystal layer is located in the display area; the array substrate includes an anti-reflection structure and a circuit structure; the anti-reflection structure is located in the non-display area, and in the thickness direction of the display panel, the anti-reflection structure overlaps with the sealant; wherein the transmittance of the first light wave used to cure the sealant in the anti-reflection structure in the non-display area is greater than the transmittance of the first light wave in the array substrate in the display area. By adopting the above technical scheme, the irradiation time of the first light wave can be shortened, and the uncured raw glue in the sealant can be prevented from reacting with the liquid crystal molecules in the liquid crystal layer to cause the problem of broken bright spots; the curing effect of the sealant can also be improved, the degradation of the liquid crystal layer can be reduced, and the quality and display effect of the display panel can be improved.

The invention discloses a longitudinal spiral HFCVD diamond deposition system and a deposition method.The deposition system comprises a plurality of spiral lamp filaments located on the side of a base body, the spiral lamp filaments are arranged in the vertical direction and distributed at equal intervals in the transverse direction, the two ends of each spiral lamp filament are connected with a pre-stretching structure, and the two ends of each spiral lamp filament are connected with the corresponding pre-stretching structure; one side of the spiral filament away from the substrate is connected with the supporting structure; the pre-stretching structure comprises a plurality of molybdenum elastic pieces distributed at equal intervals in the transverse direction, one end of each molybdenum elastic piece is connected with the end of the spiral lamp filament, the other end of each molybdenum elastic piece is installed on the insulating piece through a fixing screw, and gaps with adjustable sizes are formed between the molybdenum elastic pieces and the insulating piece. The supporting structure comprises a plurality of supporting molybdenum sheets which are distributed at equal intervals in the vertical direction. According to the longitudinal spiral type HFCVD diamond deposition system and method, the deposition performance is remarkably improved through a longitudinal spiral type filament structure, the system reliability and the process stability are enhanced, and large-area uniform deposition can be achieved.

Provided is an all-solid-state secondary battery mixture having good properties, a secondary battery electrode mixture sheet containing the all-solid-state secondary battery mixture, and a secondary battery using the all-solid-state secondary battery sheet. Also provided is a method for producing an all-solid-state secondary battery sheet containing a polytetrafluoroethylene resin having a fine fiber structure. The all-solid-state secondary battery mixture includes a solid-state electrolyte and a binder. The binder is a polytetrafluoroethylene resin, and the polytetrafluoroethylene resin has a fibrous structure with a fibril diameter (median value) of 70 nm or less. In addition, the all-solid-state secondary battery mixture sheet contains that all-solid-state secondary battery mixture.

The utility model relates to the technical field of bridges, and provides a support pad stone which comprises a steel shell, pressure-bearing steel bars are arranged in the steel shell, concrete is filled in the steel shell, and the bottom face of the steel shell is connected with a cover beam in a welded mode. The structure adopts the padstone in a steel-concrete combined structure form, so that the problems that the existing concrete padstone occupies a large amount of templates, the workload of mounting and dismounting the templates is large, and the material and labor cost is high are solved, factory standardized processing is facilitated, the assembly level of a bridge accessory structure is effectively improved, the construction efficiency is improved, the construction period is shortened, and the site construction procedure is simplified; and the externally-wrapped steel shell can effectively prevent water, gas, salt and other media in the external environment from entering the concrete, the degradation of the padstone concrete is reduced, and the service life of the padstone is prolonged.

The invention discloses self-repairing abrasion-resistant concrete based on a heat-shrinkable fiber net and electromagnetic induction self-repairing fibers. The self-repairing abrasion-resistant concrete comprises an abrasion-resistant concrete base body, a cross-linked modified heat-shrinkable fiber net and the electromagnetic induction self-repairing fibers, wherein the cross-linked modified heat-shrinkable fiber net and the electromagnetic induction self-repairing fibers are distributed in the abrasion-resistant concrete base body; wherein the cross-linking modified thermal shrinkage fiber net is a fiber net which is formed by weaving polyester fibers and aramid fibers in sequence and is subjected to cross-linking modification; the electromagnetic induction self-repairing fiber comprises a core material and a wall material, the core material comprises methyl methacrylate and butyl acrylate, and the wall material comprises polylactic acid and nano Fe3O4. According to the invention, the cross-linked and modified heat-shrinkable fiber net is combined with an electromagnetic induction self-repairing fiber technology, so that the stability, the bearing capacity and the abrasion resistance of the concrete can be effectively improved, the controllable self-repairing of concrete cracks is realized, the durability of the concrete is remarkably improved, the service life of the concrete is remarkably prolonged, and the like. A new thought can be provided for preparation of the high-performance abrasion-resistant concrete.

The present invention discloses a blue luminescent compound, a blue luminescent composition, and an organic electroluminescent device, a display device, and a lighting device containing the same. The blue luminescent compound is selected from one of the structures shown below. The blue luminescent compound provided by the present invention is used as a main material of a blue luminescent layer, and an α-naphthalene substituent is used to improve the triplet-triplet fusion process (TTF effect) of the material, thereby increasing the theoretical exciton utilization rate of the material to 62.5%, and improving the electron transfer rate of the material by introducing oxygen atoms with large electronegativity, thereby improving the carrier balance. Furthermore, by deuterating at least a portion of the naphthyl and anthracene nuclei, and at the same time using half-deuterated dibenzofuran, the exciton energy rise caused by vibration of the material is reduced while significantly enhancing the thermal stability of the material, thereby reducing the damage and degradation of the adjacent layer materials by the excitons, and thus significantly improving the life of the organic electroluminescent device, overcoming the defects of the prior art.

The utility model relates to the technical field of ozone water preparation, in particular to a detection device for an ozone water preparation process, which comprises an ozone injection module, a water delivery module, a mixing tank, an injection pump, an ozone tail gas treatment device and an ozone concentration detection device, the ozone injection module comprises a first gas delivery pipe, a second gas delivery pipe and a gas valve; the water delivery module comprises a drain pipe, a water inlet pipe and a throttle valve; the mixing tank is cylindrical, is connected with the ozone injection module and the water delivery module and comprises an air inlet, an air delivery port and a water delivery port, the ozone injection module is connected with the mixing tank through the air inlet and the air delivery port, and the water delivery module is connected with the mixing tank through the water delivery port; a mixing module is arranged in the mixing tank and comprises a first air inlet pipe and a second air inlet pipe, a plurality of air inlet columns are arranged on the first air inlet pipe, and a plurality of air inlet holes are uniformly distributed in the air inlet columns; according to the utility model, the solubility of ozone in water is improved, so that the ozone and the water are fully mixed.

The present application relates to a novel microalgae strain with the efficacy of promoting plant growth and a use thereof. When cultured in the presence of fermentation exhaust gas, a novel Chlorella vulgaris CD02-3002 strain according to an aspect grows fast with a high efficiency of photosynthesis and thus can effectively reduce the exhaust gas generated by microbial fermentation. Having the effect of promoting plant growth when applied to plants, a culture of the strain or a supernatant of the culture can be used as a fertilizer for plants and thus can be advantageously applied as a novel carbon reduction technique.

This application relates to a spray system for icing wind tunnel testing, its control method, controller, and medium. This application addresses multiple water supply branches of the spray system for icing wind tunnel testing by training a target prediction model using historical test data under multiple operating conditions. This model pre-calculates the second target opening degree of the outlet regulating valve after the solenoid valve opens the nozzle. Then, based on the on / off state signal of the solenoid valve, the outlet regulating valve is controlled to adjust to the second target opening degree. In this way, the coupling relationship between the opening ratio of the outlet regulating valve before and after the solenoid valve opens the nozzle and the steady-state parameters before the solenoid valve opens the nozzle can be learned under different test conditions. This allows for adaptation to multi-condition icing wind tunnel test scenarios, shortens the time for water supply pressure to stabilize, thereby reducing the deterioration of cloud parameters caused by excessive adjustment time and ensuring the accuracy of icing shape simulation.

The application discloses an edge-computing-based lighting control panel energy consumption real-time optimization and early warning system and relates to the technical field of energy consumption optimization.The system solves the technical problem that independent optimization of control panel data uploaded to the cloud causes waste of calculation and bandwidth and poor real-time performance because a large number of control panels have similar states, and that a group aging benchmark is lacking, so that life balance cannot be achieved, resulting in premature failure of some equipment.Through clusters divided based on historical similarity maps, combined with average aging tracks in the clusters and real-time group feature centers, global collaborative optimization parameters are dynamically calculated by a multi-panel collaborative optimization module.The parameters are sent to the edge end, so that control panels in the same cluster with similar behavior characteristics can be collaboratively adjusted, redundant lighting and energy consumption waste in the region can be avoided, and energy consumption optimization at the group level can be achieved.Through construction of the average aging track in the cluster, the normal aging trend of each cluster can be mastered.

The invention relates to the technical field of copper wire annealing, and discloses anti-oxidation intelligent copper wire annealing equipment and an annealing process thereof.The anti-oxidation intelligent copper wire annealing equipment comprises a tubular annealing device, the outer surface of the tubular annealing device fixedly communicates with a forming bin, an air pump is installed at the top of the forming bin, and a heating unit is arranged on the outer surface of the tubular annealing device; a turning and wrapping assembly used for preventing the copper wire from being oxidized is arranged in the forming bin, through rotation of a first shearing plate and a hollow ring, inert gas can form a tight annular structure fluid, the surface of the copper wire is tightly and evenly wrapped with the fluid, a barrier is formed, contact of external oxygen is effectively isolated, and therefore the risk of oxidation reaction is reduced, and the service life of the copper wire is prolonged. In addition, due to the natural overturning characteristic of the fluid of the annular structure under rotation of the first shearing plate, mixing and updating in the gas are promoted, the inreactivity between oxygen and inert gas is utilized, a trace amount of oxygen is gradually pushed to the outer side of the annular structure, and stable maintenance of the oxygen-free environment is further ensured.