55results about How to "Suitable for different applications" patented technology

The invention relates to an antibacterium nano fiber material and a preparation method thereof; the material comprises polymer superfine fiber and antibacterial agent, and the weight ratio is 60 to 98: 2 to 40; the preparation method comprises the following steps: (1) the antibacterial agent is dissolved in distilled water to prepare solution; the polymer superfine fiber is dissolved in methylene dichloride or chloroform organic solvent, emulsifier is added to be mixed evenly, to obtain solution which is dispersed evenly; (2) the two types of solution are mixed to obtain even water-in-oil W/O latex, and then electrostatic spinning is conducted to the latex, to obtain the antibacterium nano fiber material. The nano fiber material has good ventilation property and filterability, still has bacteriostasis and sterilization functions for a long time after stably releasing the antibacterial agent, has simple preparation method, adopts the biodegradable and bioabsorbable polymer as carrier materials, can be absorbed by the human body after fully releasing, is not left, does not need secondary operation and has no side effect.

A refrigerator based on micro-channel regenerative heat exchange technology and Joule-Thomson effect is machined by the aid of atomic diffusion fusion welding technology and comprises an inlet-outlet portion, a regenerative heat exchange portion, a throttling portion and an evaporating cavity. The inlet-outlet portion is provided with an inlet and an outlet, the regenerative heat exchange portion comprises at least one high-temperature layer and at least one low-temperature layer which are pairwise adjacent, each layer is provided with at least one channel, high-temperature and high-pressure gas enters the channels of the high-temperature layers from the inlet, then enters the throttling portion and is cooled in a throttling manner once, and then the high-temperature and high-pressure gas flows to the evaporating cavity with a large space and accordingly is cooled in the throttling manner again. Owing to throttling and cooling, part of the gas is condensed into liquid, the rest gas is low-temperature and low-pressure gas, the liquid and the low-temperature and low-pressure gas are mixed together to form a low-temperature and low-pressure gas liquid mixture, the evaporating cavity keeps the low temperature by the aid of the low-temperature and low-pressure gas liquid mixture, a high-temperature device connected with the evaporating cavity is cooled by the evaporating cavity, and the gas in the evaporating cavity reflows into the channels of the low-temperature layers and is discharged from the outlet after exchanging heat with the high-temperature and high-pressure gas in the channels of the high-temperature layers adjacent to the low-temperature layers.

The invention provides a high-speed ADC (Analog to Digital Converter) sampled data receiving and buffering method and system based on an FPGA (Field Programmable Gate Array). The system mainly comprises a data receiving delay unit, a data speed-down unit, a clock receiving delay unit, a clock processing unit, a data combination storage unit and a control unit. Inside the FPGA, the data speed-down unit is used for lowering the speed of a data signal, a clock signal uses double-edge latch data, and the data delay unit is used for performing delay adjustment on a plurality of pairs of data signals, so that simultaneous hop of the pairs of data signals is ensured; the hop edge of the clock signal is positioned in the center of the data signal; the data combination unit is used for combining and arranging widened and slowed-down data to recover practical waveform data; the practical waveform data is stored in the data storage unit. By adopting the method and the system, a plurality of paths of data signals and clock signals accompanying the data can be received simultaneously, and the functions of circular storage, pre-trigger recording, sequential read-out and the like of the data signal are realized.

A balanced bridge comprises an input signal source, a reference impedance, an impedance to be tested, a bridge balancing module and a balance control module. The reference impedance is serially connected with the impedance to be tested and connected with the input signal source and is used for obtaining current vectors. The bridge balancing module comprises a reference impedance current extraction unit and an impedance to be tested current extraction unit and is used for providing bridge output pressure for the balance control module. The reference impedance current extraction unit is coupled to two ends of the reference impedance, the impedance to be tested current extraction unit is coupled to two ends of the impedance to be tested, and an output port of the bridge balancing module is an output port of bridge output pressure. The balance control module comprises a pressure detection module, a feedback circuit module and a single chip microcomputer, wherein one end of the pressure detection module is connected with the output port of bridge output pressure, the other end of the pressure detection module is connected with the single chip microcomputer, the other end of the single chip microcomputer is connected with the feedback circuit module, and the feedback circuit module is coupled to the impedance to be tested current extraction unit.

The invention, which is suitable for the field of memories, provides a method for detecting the capacity of memories, a method thereof, and a storage controller. The method comprises the following steps: the capacity of the storage controller is configured; different data are written in various pre-selected objective addresses, N objective addresses among the objective addresses correspond to the same actual address of the memories, and the numbers of N are also different in the memories with different capacities; the data is read from the different objective addresses; and the capacities of the memories to be detected are detected based on whether the data read from the different objective addresses is equal to those written in multiple different objective addresses or not. The embodiment of the invention only needs to determine whether the written different objective addresses are equal to the data which is red from the different objective addresses or not, the capacities of the memories to be detected can be detected, thereby improving the detection speed and the detecting efficiency of the capacities of the memories; meanwhile, the method utilizes the internal row and column structures of the memories with different capacities to perform the detection of the capacities, thereby facilitating the implantation. The invention is suitable for various different application situations.

The invention discloses a method and system for achieving file access security authority management through a smart card and a file access method and device. The method includes the steps that an authority control file is built in a DF, and all records in the authority control file respectively correspond to EFs in the DF; each record is used for recording the access authority of the corresponding EF, and the access authority of each EF refers to the logical relation of a secret key; the recording number of each record is written into the file header of the corresponding EF. The records in the authority control file are used for saving the access authority of the EFs, and therefore the access authority can be determined according to one record, the problem that the file access authority can be obtained only when a plurality of secret keys with any complex 'and' 'or' combination relation need to be authorized is solved, and more secret keys can be used.

The invention provides a preparing method of an elastic degradable biomedical material. The method is characterized by comprising the steps of synthesizing POC elastomer through melt phase polycondensation of octamethylene glycol and citric acid, mixing POC elastomer and biological degradable polymer, and dissolving in solvent to obtain spinning solution, conducting electrostatic spinning with an electrostatic spinning device, and preparing the elastic degradable biomedical material. The elastic degradable biomedical material has the advantages of no toxicity, controllable degradation rate, good breaking strength, elasticity and the like.

The invention relates to a method for preparing mineral particles (p) from mineral particle precursors, said method comprising a step (E) that comprises injecting a fluid medium (F) containing said precursors in solution and/or dispersed in a solvent in a reactor containing CO2 at a supercritical state using an injection nozzle giving into an area where the supercritical CO2 is at a temperature higher than or equal to the conversion temperature of the precursors into corresponding mineral species, the invention also relates to particles (p) obtained according to the method and to the use thereof.

The embodiment of the invention provides a touch sensing device. The touch sensing device comprises a substrate and a sensor array which is arranged on the substrate, wherein the sensor array comprises a plurality of sensor units, each sensor unit comprises an infrared ray light emitting diode and an infrared ray sensing thin film transistor, the infrared ray light emitting diode is configured to emit infrared rays, the infrared ray sensing thin film transistor is configured to detect the infrared rays emitted by the infrared ray light emitting diode and reflected by the user so as to generate current signals, and the current signals can indicate the data of the user body. The accuracy of sensing data can be improved by adopting the touch sensing device. In addition, the embodiment of the invention also provides a mobile device comprising the touch sensing device and a display device, wherein the touch sensing device is arranged at the back side of the mobile device, and the display device is arranged at the front side of the mobile device and is configured to display data of the user body.

The invention discloses an integrated oxygen supply valve. A valve body, a valve cover, a filling module, a flow adjusting module and a pulse oxygen supply module are included, wherein the filling module, the flow adjusting module and the pulse oxygen supply module are arranged on the valve body and the valve cover. Oxygen in a gas tank is output by the pulse oxygen supply module after passing through the filling module and the flow adjusting module. The pulse oxygen supply module comprises a gas inlet unit, a gas outlet unit and a gas suction unit. The gas inlet unit comprises a sixth gas wayand a seventh gas way which conduct gas inflow from the same gas inlet source. The gas outlet unit comprises a gas outlet outer connector arranged on the valve body, a gas outlet valve plate and a gas outlet cavity. The gas suction unit comprises a gas suction outer connector arranged on the valve cover, a gas suction valve plate and a gas suction cavity, the gas suction valve plate is provided with a gas inlet protruding nozzle communicating with the gas outlet cavity, and a gas inlet membrane for opening and closing the gas inlet protruding nozzle is arranged above the gas inlet protrudingnozzle. An integrated mechanical structure is adopted in the valve, filling operation and usage are simple and convenient, the different-flow requirements can be met, and different-breathing-manner requirements can be met as well.

The invention discloses a gas cylinder type pressure-stabilizing dual-mode oxygen supply device. The gas cylinder type pressure-stabilizing dual-mode oxygen supply device comprises a gas cylinder, a nasal oxygen tube and an integrated valve mounted on the gas cylinder, wherein a nasal suction joint on the nasal oxygen tube is inserted into a nasal cavity of a user; a gas outlet outer joint and a gas suction outer joint of the integrated valve are connected with a gas inlet of the nasal oxygen tube; the integrated valve comprises a valve body, a valve cover, a filling module, a flow regulatingmodule and a pulse oxygen supply module, wherein the filling module, the flow regulating module and the pulse oxygen supply module are mounted on the valve body and the valve cover; oxygen in the gascylinder passes through the filling module and the flow regulating module and then is output by the pulse oxygen supply module; the pulse oxygen supply module comprises a gas inlet unit, a gas outletunit and a gas suction unit; and the gas inlet unit comprises a sixth gas channel and a seventh gas channel which are used for feeding gas through the same gas inlet source. According to the gas cylinder type pressure-stabilizing dual-mode oxygen supply device, all mechanical parts are adopted to realize continuous and pulse dual-mode oxygen supply, and a pressure stabilizing module and the filling module are integrated inside, so that the device structure and gas guide tube connection are simplified, and therefore, use of the user is convenient.

The invention discloses a vacuum ultraviolet flat light source which comprises a front base plate and a rear base plate, wherein the front base plate is made of quartz glass, and a discharge cavity is arranged between the front base plate and the rear base plate; the front base plate is provided with paired parallel electrodes and adopts surface discharge, or the electrodes are arranged on the front base plate and the rear base plate, and an opposite type discharge mode is adopted; the surfaces of the electrodes are also provided with dielectric layers which are provided with protective films; the discharge cavity is filled with working gas with certain air pressure, and the working gas with certain air pressure can be formed by the mixed gas of Ne gas and Xe gas. When alternating-current pulses are brought between the electrodes, the working gas discharges, and 147nm and 172 nm vacuum-ultraviolet light is continuously generated under the action of keeping current pulses and sent to the outer surface of the vacuum ultraviolet flat light source, which needs to be processed, by the quartz base plates. The invention can generate a surface light source of the vacuum-ultraviolet light, thereby having superiority for processing surfaces with large areas; and the invention can generate single-surface and double-surface vacuum ultraviolet flat light sources, thereby being suitable for different application occasions.

A system for pre-tensioning a joint (13) including two or more threaded fasteners (11a-c) by a synchronized tightening of the threaded fasteners. The system comprises two or more torque delivering power wrenches (10a-c) and at least one operation control unit (18) communicating with the power wrenches for control of the operation of each one of the power wrenches, wherein the power wrenches are manually supported battery powered power wrenches each having a wireless communication module, and the operation control unit comprises a wireless communication module (24) for communicating with the wireless communication modules (16a-c) of the power wrenches to thereby receive actual operation data from each power wrench and to deliver relevant operation data to each power wenches to adapt the tightening operation of each power wrench to the actual tightening status of the other power wrench or wrenches to achieve synchronous tightening of the fasteners and even pre-tensioning of the joint.