35results about How to "No polarization" patented technology

The invention provides a lithium metal alloy negative electrode material. The negative electrode material comprises lithium alloy serving as a framework and metal lithium filling the framework. The lithium alloy has lithium ion conductivity, and compared with a traditional three-dimensional structure only having electron conductivity, a better three-dimensional ion and electron conductivity network can be formed, so that metal lithium is uniformly deposited, lithium dendrites cannot be generated even if charging and discharging are carried out under the condition of great current density, anda remarkable battery polarization phenomenon is not generated. The lithium alloy material which can be subjected to extraction and insertion of lithium is adopted as the structural framework, after metal lithium is used up in the circulating process, the capacity of the alloy framework can be further released, and the circulating performance of the battery is guaranteed. The used raw materials arewide in source, low in price, simple in process and suitable for rapid large-scale production.

The invention discloses self-service type snapshooting equipment and method. The equipment comprises an equipment box, a shooting device, a central controller, a touch displayer, a lifting seat and a lifting part. The equipment box comprises a front box body and a rear box body. The shooting device comprises a digital camera and a camera. The digital camera, the camera and the central controller are arranged in the front box body, the touch displayer is arranged in the front of the front box body, a camera lens of the digital camera and a camera lens of the camera both face the rear box body, the lifting seat and the lifting part are both arranged in the rear box body, and the lifting part is connected with the bottom of the lifting seat and used for driving the lifting seat to ascend or descend. The digital camera, the camera, the touch displayer and the lifting assembly are connected with the central controller. Certificate pictures meeting standards can be easily shot, therefore, one-stop electronic rapid certificate handling is achieved, certificate handling efficiency is improved, and personal requirements of common people are greatly met.

The invention belongs to the technical field related to the manufacture of curved surface integrated circuits, and discloses an electro-hydrodynamic jet etching method for manufacturing the curved surface integrated circuits. The method comprises the following steps: (1) preparing a plane circuit diagram of the curved surface integrated circuits and partitioning the plane circuit diagram; 2, arranging a plane circuit diagram on a three-dimensional model of a curved surface substrate to obtain a curved surface integrate design circuit; (3) scanning the coated curved surface substrate to identify and obtain the point cloud data of the curved surface substrate, and then obtaining a three-dimensional model of the curved surface substrate; 4) arranging a curved surface integrate design circuiton a three-dimensional model of a new curved surface substrate to obtain a jet printing pattern; (5) generating a code of the jet printing trajectory, and further obtaining a motion code; 6) allowingthat conformal jet prin device to execute a motion code to perform conformal jet printing, and etching the printed curved surface substrate to obtain a curved surface jet print circuit; and 6) allowing the conformal jet printing device to execute motion code to perform conformal jet printing and etching the printed curved surface substrate to obtain a curved surface jet printing circuit; (7) mounting the chip to obtain a curved surface integrated circuit. The invention improves the integration level, has good applicability and high manufacturing accuracy.

The invention discloses carbon nano fiber paper and a preparation method thereof. The carbon nano fiber paper disclosed by the invention is combined by carbon nano fibers by means of the Van der Waals force and the cross linking of the carbon nano fibers, and the carbon nano fibers comprise one or more of multi-wall carbon nanotubes, single-wall carbon nanotubes, solid carbon nano fibers or activated carbon fibers. The preparation process of the carbon nano fiber paper disclosed by the invention comprises the steps of dispersing, filtering, roasting and rolling. No dispersing agent is needed in the preparation process, and the carbon tubes and the carbon fibers need no functionalized treatment. The carbon nano fiber paper prepared in the invention has the advantages of large specific surface area, good electrical conductivity and high air permeability; the materials are recyclable, so that no waste is generated; and since the process is simple, mass production is liable to achieve.

The invention discloses a dust-removing type road roller for construction engineering. The dust-removing type road roller for construction engineering comprises a machine body, and a front machine wheel and a back machine wheel which are arranged below the machine body and are consistent in size, wherein the back machine wheel is hollowly cylindrical; an end cover fixed at a port of the back machine wheel is arranged on each of the two sides of the back machine wheel; a machine shaft of the back machine wheel penetrates through the centers of the two end covers; an eccentric block is arranged in the back machine wheel and fixed on the machine shaft; a dust remover is arranged on the back end face of the machine body, and comprises an air pump, a dust storage box and a suction nozzle; the suction nozzle is aligned with the back machine wheel. The dust-removing type road roller for construction engineering has the beneficial effects that the dust remover is arranged at the upper end of the back machine wheel and used for removing dust rammed by the back machine wheel, so that the influence of the dust on workers is avoided.

The invention provides a washing machine achieving separate washing. The washing machine comprises a box and a first automatic washing system and a second automatic washing system which are arranged in the box; the first automatic washing system and the second automatic washing system are both a full-automatic roller washing system, and the axis of the first automatic washing system and the axis of the second automatic washing system are located on the same straight line. The first automatic washing system and the second automatic washing system are arranged in the box, and a user can choose to start one of the automatic washing systems or start the two automatic washing systems simultaneously as needed; the axis of the first automatic washing system and the axis of the second automatic washing system are located on the same straight line, therefore, vibration generated by the two automatic washing systems and force applied to the box by the two automatic washing systems on the same horizontal plane in the washing process are similar, the force borne by the box on the same horizontal plane is basically similar, polarization cannot occur, and the stability of the washing machine achieving separate washing in the washing process is improved.

The invention discloses a framework material for a lithium metal battery negative electrode and a preparation method of the framework material and the lithium metal battery negative electrode. The method comprises the following steps: mixing a soybean product with a KOH solution and carrying out ultrasonic treatment; carrying out liquid nitrogen freezing on the obtained precursor solution and thencarrying out vacuum freeze-drying to obtain a lamellar precursor; finally, carrying out activated carbonization at the temperature of 700 to 800 DEG C to obtain the framework material for the lithiummetal battery negative electrode. By adopting the method, soybean product biomass and a one-step activation carbonization mode, the method is simple and feasible, and raw materials are wide in sourceand easily obtained; in addition, the cycle stability of the battery is improved by taking the soybean product biomass as a negative electrode material of the lithium metal battery. The framework material for the lithium metal battery negative electrode has higher surface area, narrow pore size distribution and large amount. The framework material for the lithium metal battery negative electrodehas the characteristics that the specific surface area reaches as high as 3134m<2>.g<-1>; the mesoporous is 2.2 to 2.8nm and micropore are concentrated between 0.8nm and 1.4nm; after charge-dischargecycle of the lithium metal battery cycle for dozens of circles, stable charge-discharge voltage is still maintained and the polarization phenomenon is almost avoided.

The invention provides an organosilicone pressure sensitive adhesive and a preparation method thereof, a composite film structure using the organosilicone pressure sensitive adhesive, a vibrating diaphragm using the composite film structure and a sound generating device using the vibrating diaphragm. The organosilicone pressure sensitive adhesive is prepared from 20~80 parts of organosilicone resin, 0.1~5 parts of catalyst, 30~90 parts of organic solvent, and 5~55 parts of organosilicone rubber. The vibrating diaphragm using the organosilicone pressure sensitive adhesive provided by the invention has better high temperature resistance, so that the vibrating diaphragm does not have a polarization phenomenon in vibration, thus allowing the sound generating device prepared from the vibratingdiaphragm to have better sound quality and sound stability.

The invention provides an organosilicon pressure sensitive adhesive and a preparation method thereof, a composite film structure applying the organosilicon pressure sensitive adhesive, a vibration film applying the composite film structure and a sound generating device applying the vibration film. The organosilicon pressure sensitive adhesive includes the preparation raw materials in parts by weight: 15-60 parts of organosilicon resin, 5-55 parts of organosilicon rubber, 30-90 parts of an organic solvent and 0.1-5 parts of a catalyst. The vibration film applying the organosilicon pressure sensitive adhesive has good high temperature resistance, so that the vibration film cannot generate a polarization phenomenon during vibration, and the sound generating device applying the vibration filmhas good tone quality and audition stability.

The invention discloses a vehicle visor with a cosmetic mirror. The vehicle visor comprises a visor main body and a mirror, and further comprises a backlight module, the backlight module comprises a PCB with an LED lamp, the backlight module is arranged on the back surface of the mirror, and emits light uniformly along the edge of the mirror, the visor main body comprises a rotating shaft fixed ona vehicle body and a framework capable of rotating around the rotating shaft, a contact elastic piece is arranged at the position, located on one side of the rotating shaft, of the framework, one endof the contact elastic piece is electrically connected with the PCB, the other end of the contact elastic piece is in contact with the surface of the rotating shaft, a section of conductive copper sheet with a central angle of a set angle is arranged on the circumference of the contact part of the rotating shaft, the contact spring piece is not in contact with the conductive copper sheet when thevisor is located at the ceiling-mounted state of the vehicle, and the LED lamp is in disconnection with electricity. The vehicle visor is good in light emitting uniformity, high in integration level,reliable in control, stronger in function and better in usability.

The invention relates to the technical field of the non-metallic ore deironing equipment and in particular to a built-in vibration magnetic separator. The built-in vibration magnetic separator comprises a hollow housing. An exhaust pipe is installed above the housing. The top of the housing is provided with a feeding pipe and a water inlet pipe. The interior of the housing is successively provided with a sieving net, an upper magnetic pole with a plurality of through holes, a medium box, a medium box base, and a lower magnetic pole from top to bottom. The exterior of the housing is provided with an exciting coil within the upper and lower magnetic pole area. The middle part of the lower magnetic pole is provided with a slag discharge hole. The built-in vibration magnetic separator is characterized in that a vibration motor is further installed above the housing. The vibration motor is connected with a vibration transmission shaft. The vibration transmission shaft successively passes through the sieving net, the upper magnetic pole, and the medium box. The tail end of the vibration transmission shaft is fixed on the medium box base. The sum of the heights of the medium box and the medium box base is less than the distance between the upper and lower magnetic poles, so that the medium box can be upwards and downwards vibrated between the upper and lower magnetic poles. A four-way pipeline communicated with the slag discharge hole is installed below the lower magnetic pole. The built-in vibration magnetic separator is suitable for improving the current deironing equipment.

The invention discloses an orthographic projection black gate projection screen, comprising an imaging layer located in the middle, wherein one surface of the imaging layer is provided with vacuum-coated optical glass beads and an adhesive containing inorganic silicon powder; a transparent grid-shaped optical film layer, an anti-dazzle layer and a scratch-proof layer are arranged on the other surface of the imaging layer; the optical glass beads are arranged on the adhesive; the anti-dazzle layer and the scratch-proof layer are added into the production of the transparent grid-shaped optical film through corresponding materials; and the transparent grid-shaped optical film layer is of a linear prism structure with a triangular cross section, and is mainly used for absorbing light above a screen and reflecting light below the screen to achieve the purpose of light resistance. The orthographic projection black gate projection screen effectively absorbs ambient light and lamplight by using a multi-layer structure and materials, so that a picture presents high contrast and bright color, and the orthographic projection black-grid projection screen is excellent in optical performance, high in light resistance and good in visual effect.

The invention discloses an anti-pollution CTD (conductivity, temperature and depth) conductivity probe; two circular magnet ring coils are coaxially arranged, an anti-corrosion voltage withstand insulating shell is arranged outside, and the axial center is provided with a sea water passage; the two magnet ring coils include an exciting magnet ring and an output magnet ring; a core of each of the exciting magnet ring and the output magnet ring is a nanocrystal core; a shaft is a flow guide tube having good resistance to sea water corrosion and stable physiochemical properties. The anti-pollution CTD conductivity probe employing inductive conductivity measurement is solid and reliable and is resistant to corrosion, free of polarization and long in service life.

The invention discloses a vibrating platform for producing casting blank of a refrigerator liner mold based on a V-method. The vibrating platform comprises a bottom plate, wherein fixing columns arranged in a matrix manner are welded to the top of the bottom plate in the vertical direction, a groove arranged in the vertical direction is formed in the top of each fixing column, a spring arranged inthe vertical direction is connected to the inner wall of the bottom of the groove, the top end of the spring is connected with a connecting block, and a placing plate arranged in the horizontal direction is welded to the tops of the connecting blocks; and symmetrically arranged connecting rods of L-shaped structures are welded to the two sides of the connecting blocks, a limiting plate movably connected with an outer ring of each fixing column in sleeved manner is welded to the bottom ends of the connecting rods, symmetrically arranged fixing plates are welded to two sides of the placing plate, and a movable plate is slidably connected to the top of the placing plate. According to the vibrating platform, the positions of the springs can be limited by the limiting plates under the cooperation of the components, so that the springs do not polarize, a mold groove can be conveniently replaced at the same time, and the installation of the mold groove is quicker.

The invention relates to a method for measuring methanol concentration in flexible fuel. The method comprises the following steps: calibrating, setting a plurality of thresholds, reducing electric field time influence and reducing temperature influence. The method has the advantages that the measuring range is large, polarization deviation of the solution is avoided, the measuring error is small, error data is avoided, and the measuring precision is high; the calibration environment is simplified; the calibration time is greatly shortened; the use of raw materials is saved; testers are prevented from being in contact with methanol for a long time;