30results about How to "Easy to promote in industry" patented technology

The invention provides a self-driving photoelectric sensor and a preparation method thereof. The self-driving photoelectric sensor integrates a photoelectric sensor into the structure of a friction nano generator, and the photoelectric sensor is driven by using output signals of the friction nano generator.

The invention relates to the technical field of clinical detection, in particular to a detection reagent for the content of alcohol in saliva. The invention discloses the detection reagent for the content of the alcohol in the saliva, which is characterized in that 1.25 to 0.5U of alcohol dehydrogenase, 0.05 to 0.2mg of coenzyme NAD and 0.025 to 0.2mg of tetrazolium salt are loaded and contained in a solid phase or semi-solid phase carrier with the area of 5.0*5.0mm<2>. The detection reagent for the content of the alcohol in the saliva has high specificity, high sensitivity, and quick reaction, does not contain poisonous substances, can detect orally, is safe and reliable, shows a result without a composite sensor host, can directly contrast readings with a colorimetric card, has better thermal stability, and can be preserved for 2 years at room temperature. The reagent has the advantages of good repetitiveness of determination results, convenient carrying, simple preparation technology, low cost, easy industry promotion and convenient field detection, and can be used for the detection of drunk drivers and taken as a simple tool for postmortem examination of judicial doctors.

This invention relates to a process method to make stainless steel tube without gap, which comprises the following steps: providing the required steel ingot; forging; heating tube blank; drilling and rolling; processing the rolling, empty sinking, cold-drawing; again empty sinking, final product annealing and final product making.

This invention relates to a preparation method of test paper for detecting alcohol content in saliva and test paper prepared thereby. Wherein, using pure cotton pulp filter paper as the bottom carrier of test paper; with solid chemistry technique, adding in turn the tetramethyl benzidine, phosphate buffer, HRP, alcohol oxidase and BSA on the paper, and multiple-step vacuum drying. This invention is safe and reliable for test, can read result directly with color-matching card, and has well repeatability for wide application.

An improved dual-glass window with louver window between two glasses features that the fixing frame of the said dual-glass window has a transverse frame unit in it, the said transverse frame has two axles able to be turned and a magnetic angled regulator for regulating its angle, and a vertical frame of the said louver window has a magnetic open-close regulator for regulating the open (or close) state of louvers. Its advantages are simple structure, and high safety and reliability.

A glass fiber reinforced plastic tubular product pultrusion glue-injection device and a glue-injection unit relate to a device that dips glue solution in pultrusion equipment and leads glass yarn and felt to be compounded and thermoset so as to form continuous sectional materials, wherein a glue solution supply unit and the glue-injection unit are connected through a glue solution conveying pipe in a manner of being capable of injecting the glue solution to the glue-injection unit which is configured in a manner of being capable of connecting with a pultrusion mold. The proposal can realize the work of dipping the glass yarn and felt by injecting the glue solution in a closed mold device and effectively avoid the free volatilization of the glue solution and ensure the stability of viscosity of the glue solution in the whole pultrusion process. The proposal can control the glue solution supply, and the glue-injection mold has strong adaptability and is easier for industrial promotion.

The invention discloses a card application downloading method, a card application downloading system and a card application downloading device. The method comprises the following steps of setting an application hidden file and an application example hidden file in a card, wherein the application hidden file is used for storing application data received in a card application downloading process, and the application example hidden file is used for storing downloaded application example data; setting not less than 2 states in the card application downloading process; and judging whether power is cut off or not between the states, and if the power is cut off, clearing the application hidden file or the application example hidden file. According to the technical scheme, influence on the use of the card after the power is cut off in card application downloading and installation processes can be avoided, the utilization rate of a space in the card can be increased, and the card application downloading and installation performance can be improved.

The invention discloses a high-efficiency liquid permeation and gas resistance fluid composite membrane system which comprises a solid porous membrane and a functional fluid, wherein the functional fluid infiltrates the solid porous membrane to form a fluid gate control channel through which a transported fluid can pass; at the same flow rate, the transported fluid can more easily pass through thefluid gate control channel compared with a transported gas, the liquid permeation and gas resistance fluid composite membrane system with the separation efficiency as high as 100% can be obtained, and the liquid permeation and gas resistance fluid composite membrane system has wide application prospects in the fields of environment, energy, chemical reactors, medicines, aerospace and the like. The liquid permeation and gas resistance fluid composite membrane system effectively solves the problems that the traditional membrane separation method cannot realize liquid permeation and gas resistance function, is easy to pollute, has low service life, low separation efficiency, high investment cost and the like, and a technology using the high-efficiency liquid permeation and gas resistance fluid composite membrane system to carry out gas-liquid separation is a novel microporous membrane gas-liquid separation technology with low investment cost, high efficiency separation and easy industrialization popularization.

The invention discloses a handwriting pen applied to a portable device, which comprises an outer tube, an inner tube, and a pair of connecting devices, wherein a first end part of the outer tube is used for connecting and supporting the portable device and a second end part thereof is provided with a cavity; a first end part of the inner tube is used to be fixed to a plane and a second end part thereof is pivoted in the cavity of the outer tube; and the pair of connecting devices is arranged in the cavity of the outer tube and on the second end part of the inner tube, and can adjust the lengthof the second end part of the inner tube extending into the cavity of the outer tube, so the portable device has different gradients relative to the plane. The handwriting pen realizes the functionswhich can be realized by complicated parts in the prior art through fewer parts and simple structure, saves cost and facilitates industrial popularization.

The invention relates to a braking device. There are oil inlet and air holes on the cylinder body, the upper piston and the lower piston are installed in the cylinder body, the limit key is installed between the upper piston and the inner wall of the cylinder body, the nut and handle for adjusting and locking the upper piston are installed outside the cylinder body, the cylinder body and the upper piston The top of the piston fixes the brake pallet and brake shoe eccentrically through the positioning bolt. The lower part of the upper piston is fixedly connected with the piston core. The lower end of the piston core is clamped in the core sleeve of the inner cavity of the lower piston. , the limit sleeve installed between the lower piston and the cylinder body is connected with the inner wall of the cylinder through the ring key and the pressure ring, and the lower piston at the bottom of the limit sleeve and the inner cavity of the cylinder form a gas return working chamber as a mechanically limited space, corresponding to the gas return work The cylinder body of the chamber is provided with a gas return hole communicating with it. The invention has the advantages that: the stroke of the piston is limited by the mechanical limiting device, the piston always moves up and down in a straight line, and the piston is reset by air pressure, which is reliable, safe and flexible.

This invention relates to a rock drying device including a drying box and a hot air device feeding hot air to the drying box via a high-temperature insulation feeding pipeline, in which, the drying box is composed of a box with heat-preservation layer and a drawer set of column layers in the box with gaps between the drawer set and the box for gas flow passing through and gaps are remained among layers of the drawers for gas flow passing through, a hot air inlet is set at the middle of the bottom of the drawers, the hot air device is set in a frame formed by a fan driven by a blowout motor connected with a heater meeting the preset heating temperature, said heater is connected with the box by the high temperature pipeline and the box, an intake pipeline is connected with the fan.

The invention discloses a glue injection mold and a glue injection unit for a pultrusion glue injection device of a glass reinforced plastic tube, is a divisional application of the original application of 200910069146.0 Glue Injection Unit and Glue Injection Mold for Pultrusion Glue Injection Device of Glass Reinforced Plastic Tube, and relates to a glue solution impregnation device in pultrusion equipment for compounding and hot-setting glass yarns and felts into a continuous section. The glue injection unit comprises the glue injection mold and a mandrel that can guide a glass reinforced plastic molding material to hollowly enter a pultrusion mold, wherein a mandrel through hole allowing the mandrel to pass through is formed in the glue injection mold; injection cavities are arranged along the mandrel through hole; and a negative pressure cavity is arranged between each two adjacent injection cavities. The glue injection mold adopted by the glue injection unit reasonably configures structures of the injection cavities and the negative pressure cavity, so that the glass yarn and felt impregnation work can be accomplished by injecting a glue solution in a closed mold device, the problem that the glue solution is volatilized freely is solved effectively, and the stability of the glue solution viscosity in the whole pultrusion process is ensured effectively. The integral forming mold and mold blocks more facilitate industry popularization.

The invention is a method for product overlaying strata, it set a layer of ball blasting layer on the base body, it produces a layer of ball blasting layer whose particles is tiny on the base surface, there sets a plating layer on the ball blasting layer, and plates metal plating layer on the ball blasting layer. The overlaying strata structure is there has a ball blasting layer on base, and the ball blasting layer is covered by a metal plating layer; the glue squeezing shooter push rod which is made up by the method, the plating layer are copper layer, nickel layer and chromium layer. The invention applies to surface overlaying strata of product. It can enhance the corrosion resisting and grinding resisting property of product, the process is simple.

The invention discloses a continuous training method and a continuous training device for a shape memory alloy wire. The continuous training device is composed of a fixed pulley and a wire dischargingpulley. The shape memory alloy wire can be sequentially fixed between the fixed pulley and the wire discharging pulley for training. Fixed stress is applied to the part, fixed between the fixed pulley and the wire discharging pulley, of the shape memory alloy wire, the shape memory alloy wire is located in the load of the specific range, pulse current is conducted for training the wire, and evolution of the strain of the shape memory alloy wire in the training process is monitored till strain is stable, and then training is finished. According to the continuous training method and the continuous training device, through control over the fixed stress and monitoring of strain, the purpose of monitoring the training process is achieved macroscopically; and a mark joint for training ending isclearly provided for the first time. The continuous training device for the shape memory alloy wire is simple in structure, high in operability and easy to be industrially popularized.