33results about How to "Capacity impact" patented technology

A multi-stage refracturing method for casing horizontal wells is proposed. This method is used for refracturing horizontal wells containing multiple stages. The method includes: according to the gel breaking requirements of each stage, determine the corresponding Temporary plugging; the plugging string can be dragged down the horizontal well; the temporary plugging corresponding to each section is used to seal the old perforation holes left after the previous fracturing operation in each section in sequence Re-orientate perforation on the first section of the horizontal well after plugging, and implement refracturing construction; perform the following operations on each section from the second section to the M section of the horizontal well in turn: lower the perforation bridge plug joint Manipulating strings, setting bridge plugs, reorienting perforating strings, and implementing repeated fracturing operations, wherein the first section is the section farthest from the wellhead, and the Mth section is the closest to the wellhead One section; and after the pressure is applied, all the bridge plugs are drilled and removed, and after all the bridge plugs are drilled and removed, the temporarily blocked rubber plug is broken and hydrated and then discharged.

The invention relates to a stretching film, in particular to a production technology of stretching film provided with a printing procedure. The invention comprises a feeding procedure in which raw material solid LDPE granules are delivered to the sequential procedures through a feeding orifice, the sequential procedures comprise: 1) high temperature melting procedure; 2) die orifice extruding procedure; 3) pulling and cooling procedure; 4) printing procedure; and 5)rolling and packaging procedure. The invention has the beneficial effects that: (1) the stretching film produced by a stretching film machine can be used for printing company trademarks and other contents according to the requirements of customers and can be demounted conveniently; (2) when the stretching film is produced, the pattern printing procedure can be finished in one step at the same time, exerting no impact on the productivity; and (3) various patterns can be printed according to the requirements of customers and can be used in advertisements.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a pore-forming method for diaphragms of lithium ion batteries. The method comprises the following steps: fully dissolving a pore-forming agent into a solvent so as to prepare a pore-forming agent solution; uniformly coating the pore-forming agent solution on the surface of a to-be-cold-pressed diaphragm, and carrying out baking on the diaphragm at a temperature lower than the sublimation or decomposition temperature of the pore-forming agent, so that a solvent of the pore-forming agent solution is volatilized, and the pore-forming agent is recrystallized in the diaphragm; and carrying out cold pressing on the diaphragm, and then carrying out baking on the diaphragm at a temperature higher than the sublimation or decomposition temperature of the pore-forming agent, so that the pore-forming agent recrystallized in the diaphragm is sublimated or decomposed, thereby obtaining a porous diaphragm. According to the invention, through regulating the viscosity of the pore-forming agent solution, a diaphragm with adjustably-distributed pores can be obtained, and the regulating method is simple and flexible, and wide in applicable range; and particularly, according to the invention, an efficient gradient pore distribution structure that more pores are distributed on the surface layer of the diaphragm and less pores are distributed on the inner layer of the diaphragm can be realized just through selecting an appropriate viscosity of the pore-forming agent solution..

The invention relates to a production technology of a metallized film. The production technology is characterized in that an insulation base film is performed with an insulation base film pretreatment technology, a primary evaporation technology, a galvanized layer surface treatment technology, a secondary evaporation technology and a silver plating layer surface treatment technology, so as to form the metallized film. The production technology has the advantages that the surface of the insulation base film is treated by hydrosulphuric acid solution, so that the large-scale oxidizing of metal zinc on the surface of the insulation base film is avoided, the bonding force between a zinc plating layer and the insulation base film is guaranteed, and the self-healing capability of the metallized film is improved; a metal layer on the surface of the insulation base film is of a zinc plating layer, zinc oxide layer, silver plating layer and silver oxide oxide film four-layer structure, so that the erosion rate of the metal layer is effectively reduced, the capacity of a capacitor is not decreased, and the breakthrough accident is avoided; the service life of the metal layer is obviously prolonged.

The invention discloses a tire cushion for preventing a vehicle from reversing when the vehicle climbs a slope. The tire cushion for preventing the vehicle from reversing when the vehicle climbs the slope is a device which prevents the vehicle from reversing when the vehicle climbs the slope in a mode similar to a mode of manually padding a vehicle tire with stone. The tire cushion for preventing the vehicle from reversing when the vehicle climbs the slope is arranged on the vehicle, uses actions of gravity, can continuously work, prevents the vehicle from reversing, and further achieves a safe guarantee function to a certain extent especially under the abnormal conditions that a brake fails, a half shaft is fractured and the like.

The invention discloses a pole plate of a lead-acid battery. The pole plate of the lead-acid battery comprises a plurality of vertical ribs which are arranged longitudinally and a plurality of horizontal ribs which are arranged transversely, wherein the vertical ribs and the horizontal ribs are in a cross distribution to form a rectangular mesh which has a longitudinal length greater than a transverse length. Under the condition of ensuring invariable size of the mesh in a pole plate grid structure, the pole plate of the lead-acid battery regulates the structural distribution of the vertical ribs and the transverse ribs, and increases the number of the vertical ribs and decreases the number of the transverse ribs to form a structure with more vertical ribs and less transverse ribs, so that the transmission of current is more rational and smooth, the electric conductivity of the pole plate is improved; the cost is equivalent to the original cost; even phenomena, such as ruptures, severe corrosion and the like, of individual vertical ribs do not influence the capacity of the whole battery; the performance is improved; and the service life is prolonged.

The invention relates to a battery anode material, comprising first particles and first coating layers coated on the surfaces of the first particles, and second particles and second coating layers coated on the surfaces of the second particles; the second particles are adhered on the surfaces of the first particles; the average grain diameter of the first particles is 12-25 mu, the average grain diameter of the second particles is 2-6 mu, the first particles, the second particles, the first coating layers and the second coating layers are all graphite. The invention also relates a preparation method of the battery anode material. The battery anode material is adhered on the surfaces of the first particles through the second particles with relatively small average grain diameter, contact of the battery anode material and the first particles is increased; function of conductive agent is realized; compared with the conductive agent adding inactive substances, the capacity of the battery anode material of the invention is not influenced; relatively much gaps are kept among the first particles on account of spacing of the first particles, relatively much electrolyte retaining amount is kept, more diffusion channels are provided for the electrolyte.

The invention discloses a square cardboard storage device, which is characterized in that it includes a main body and a partition assembly; the main body adopts a columnar structure with a square cross section; movable plates are arranged on a group of opposite surfaces of the main body; The plate is vertically arranged, and its height is the same as that of the main body; the movable plate is turned over on one side to form a gap on the main body; the partition plate assembly includes a partition plate and two storage plates; the storage plate is provided with convex groove; both ends of the partition are matched with the groove; the partition is used to connect the two notches on the main body. The beneficial effects achieved by the present invention: the device can greatly reduce the frictional force by inserting the partition between the cardboards, and can make the cardboards be placed in the main body without deviation; the partition can be drawn out through the storage board, and the Capacity has no effect.

The invention provides a method for controlling the power of an enhanced uplink absolute grant channel (E-AGCH) and a subscriber terminal. The method comprises the following steps: demodulating a received E-AGCH and measuring the SNR (signal-to-noise ratio) of the E-AGCH according to the demodulation results; decoding the demodulated E-AGCH and acquiring the RDI (resource duration indicator) carried by the E-AGCH when the E-AGCH is correctly decoded; counting the number Th of the continuously received E-AGCHs until the current sub-frame when the RDI is equal to 0; averaging the Th continuous SNR measured values until the current sub-frame when Th is smaller than the preset threshold, and comparing the average value with the SNR target value to determine the TPC (transmit power control) command word; and predicting the SNR of the following sub-frame according to the Th continuous SNR measured values until the current sub-frame when Th is no smaller than the preset threshold, and comparing the SNR predicted value with the SNR target value to determine the TPC command word. Accordingly, the invention is capable of controlling the power of the E-AGCH more accurately and more effectively.

The invention relates to a metalized film used for a rail transit locomotive and a processing technology thereof. The processing technology comprises the steps of insulation basal film pretreatment, primary evaporation for preparing an aluminum coated layer, insulation basal film secondary treatment and performing secondary evaporation on the aluminum coated layer for composite preparing a tin coated layer. Oxidation of the aluminum coated layer can be effectively prevented by the tin coated layer, and sharp declining of the capacity of the capacitor does not occur in working under the AC high voltage and high current. The subsequent capacity of the capacitor does not influenced even insulation defects exist on the insulation basal film; and continuous breakdown of the multilayer insulation basal film does not occur in case of self-healing so that the phenomenon of large-area burning can be avoided. Therefore, the capacitor prepared by coiling of the metalized film can be massively applied to the rail transit locomotive to act as the energy storage component.

The invention provides a power control method and device. The method includes the steps that position information of each wireless AP in a preset area is acquired; for each AP, a first distance between the AP and the closest AP is calculated according to the position information; the critical maximum transmitting power of each AP is calculated according to the first distance of the AP, wherein the critical maximum transmitting power of the AP is the maximum transmitting power capable of preventing signals transmitted by the AP from causing interference at the position the first distance away from the AP; power control massages containing the critical maximum transmitting power of all the APs are transmitted to the APs respectively. The power control method and device can reduce interference caused by dense WiFi distribution.

Sensor (32) for injection molding machines or extruders comprises a probe (42) and an integral processing unit (44). The processing unit categorizes the signals it receives from the probe by comparison with a classification table and sends an error signal to a control unit if a defect is detected. An independent claim is included for: a method for operating a sensor, as described.

The invention provides a battery management system of an electric vehicle and a control method of the battery management system, and aims to solve the problem of performance influences of pure electric vehicle power batteries due to high temperature. The battery management system of the electric vehicle comprises a temperature monitoring device connected with a battery compartment of the electric vehicle, used for monitoring battery temperature in the battery compartment and sending the battery temperature to a master control device, a refrigeration circulation channel connected with the battery compartment of the electric vehicle and used for refrigerating a battery in the battery compartment by a circulating refrigerant, the master control device respectively connected with a collecting device and the refrigeration circulation channel, used for controlling the refrigerant to refrigerate the battery in the battery compartment circularly in the refrigeration circulation channel when the battery temperature exceeds the preset upper limit value. The battery management system of the electric vehicle and the control method of the battery management system can reduce influences on the service life and the capacity of the battery due to the high temperature and prolong the service life of the battery.

The invention relates to a processing technique of a metallized film. Corona discharge pretreatment is conducted on an insulating base film twice, and then primary evaporation, surface treatment of a zinc coating, secondary evaporation, and surface treatment of an aluminized coating are conducted, so that the metallized film is obtained. The bonding strength of a metal layer of the metallized film and the insulating base film is high, and the alternating voltage resistance is remarkably improved; the metal layer is of a four-layer structure including the zinc coating, an zinc oxide coating, the aluminized coating and an oxide film so that the corrosion rate of the metal layer can be effectively decreased, the capacity of a capacitor cannot be decreased even if the zinc coating is corroded, the adaptability to high high-voltage alternating currents cannot be affected, insulating defects are avoided, and the breakdown accidents are avoided; and according to the processing technique of the metallized film, the processing technique is simple, the loss of the zinc coating is reduced, the production efficiency is high, the production cost is low, and the service life of the metallized film is long.