86results about How to "Solve the above problems" patented technology

The invention relates to a positive electrode of a lithium-sulfur battery with a multifunctional elastic protection layer. The positive electrode of the lithium-sulfur battery comprises a positive material layer and the multifunctional elastic protection layer, wherein the multifunctional elastic protection layer is formed on the surface of the positive material layer and comprises a polymer and/or a conductive carbon material; and the thickness of the multifunctional elastic protection layer is 0.1-50 microns. The multifunctional elastic protection layer is introduced to the surface of the positive material layer of the lithium-sulfur battery; the multifunctional elastic protection layer has elasticity and conductivity; and has no influence on charge and discharge processes of the positive electrode of the lithium-sulfur battery; compared with the positive electrode of the lithium-sulfur battery without protection from a multifunctional elastic layer structure, the prepared positive electrode of the lithium-sulfur battery with the protection of the multifunctional elastic layer structure has good stability; a structural damage to the positive electrode caused by the volume effect in a charge-discharge cycle process of the battery can be relieved; and meanwhile, the added multifunctional elastic layer structure can ensure that an active material in the positive electrode is not greatly dissolved into an electrolyte to cause the capacity loss.

The invention relates to an induction heating ultra-temperature continuous carbonization furnace which comprises an upper furnace body, a middle water-cooling connecting sleeve and a lower furnace body to from a vertical channel and a horizontal channel, wherein the upper furnace body and the lower furnace body are communicated through the middle water-cooling connecting sleeve, the upper furnace body is mainly used for heating and the like, the middle water-cooling connecting sleeve is a cooling region part of the vertical channel; the lower furnace body is mainly used for cooling, discharging and the like; boats loaded with materials are sequentially overlapped and stepped to enter the vertical channel of the furnace body, and the boats loaded with carbonized materials are pushed into the horizontal channel through a manipulator and are stepped into and discharged out of the furnace body. Vertical heating, continuous carbonization, horizontal cooling and discharging are adopted, a high-temperature hearth needs not to support the weight of the boats and the materials; and the invention has high cooling speed, high yield and good product quality, and can better solve the problems of a horizontal continuous furnace and a vertical intermittent furnace.

The invention discloses a shooting lens and a camera device assembled with the shooting lens. The shooting lens comprises a first lens, a second lens, a third lens and multiple subsequent lenses; the first lens, the second lens, the third lens and the multiple subsequent lenses are arranged from the object side to the image side successively along the optical axis, and form a total effective focal length f; and the shooting lens is characterized in that a combined focal length f12 of the first and second lenses and a focal length f3 of the third lens satisfy that -0.7<f12/f3<0.

This invention relates to a microbial flocculating agent. The invention isolates a high-yield bioflocculation microorganism-Paenibacilluspolymyxa GA1 CCTCC M 206017, and utilizes bean dregs as the substituted culture medium to synthesize the flocculating agent. The culture process comprises: processing the bean dregs at pH11.0 by boiling at high temperature and pressure, adjusting the pH to pH6.0-8.0, inoculating with 0.5-2% seed solution, applying two-stage fermentation process, wherein: at the early state of 24 hours, the culture temperature is 30deg C and the shaker speed is 150r/min; and at the late stage of 32 hours, the culture temperature is 25deg C and the shaker speed is 100r/min. By applying the two-stage fermentation process, the bacteria can make use of nutrients to synthesize the flocculating agent at a maximu rate, with the yield increaed to 7.86g/L and culture cycle decreased to 56h. By using the bean dregs and the two-stage fermentation process, it can lower the cost for producing the microbial flocculating agent, improve the yield, and realize the massive industrial production of microbial flocculating agent.

The invention relates to the field of nonferrous metal melting, and specifically relates to an electrode for a vacuum self-consuming furnace, a welding method of the electrode and a vacuum self-consuming melting feeding method using the electrode. The electrode for a vacuum self-consuming furnace comprises a self-consuming electrode and an auxiliary electrode and is characterized in that a transition electrode is further connected between the self-consuming electrode and the auxiliary electrode. The electrode for a vacuum self-consuming furnace can effectively reduce the operating cost, improve the ingot yield and improve the quality of an ingot feeding end face.

The invention discloses a spiral-flow type micro-nano bubble generator and a generation method thereof.The spiral-flow type micro-nano bubble generator is mainly characterized in that two spiral-flowstarting cylinders are evenly distributed on the outer wall of a volute in the circumferential direction and communicated with the volute, a flange plate is arranged at the bottom of the volute, a through hole is formed in the center of the volute, and an outer cylinder is installed in a center hole of an installation disc; a plurality of grades of blades are arranged on a blade shaft, an air inlet throat pipe is installed at the top end of a sleeve, the bottom of the sleeve is installed at the top end of a cavitator through a positioning pin, a tooth-shaped gasket is installed between the bottom face of the sleeve and the top face of the cavitator, and the cavitator is installed in a positioning hole in the top end of the blade shaft. A static multi-stage cascade is adopted, the last stage is of a hollow blade structure, water flow is converted into rotational flow from horizontal flow through the cascade, the lift provided by the water pump is efficiently converted into high-speed circumferential water flow speed in a short process through the change of the installation angle of the multi-stage cascade, and micro-nano bubbles are generated by shearing gas through rotating water flow. The generator is reliable in operation and less susceptible to clogging.

The invention relates to a preparation method of a chemical solution of terbium-doped tungsten molybdate green fluorescent microcrystalline. The green microcrystalline provided by the invention can be expressed by a general formula A0.925(WO4)0.5(MoO4)0.5:Tb3+0.05, wherein A=Ca, Sr and Ba. The preparation method comprises the following steps of: preparing the molar ratio of various raw materials required by a certain amount of target system, A0.925(WO4)0.5(MoO4)0.5:Tb3+0.05 microcrystalline, weighing a certain consistency and relative volume of A(NO3)2, TbCl3 solutions in a polytertrafluoroethylene beaker, respectively adding the relative amounts of Na2MoO4 and Na2WO4 solutions, stirring at the room temperature for 15-30min, and putting the polytertrafluoroethylene beaker into a high-pressure reaction kettle; naturally cooling down to the room temperature after carrying out a hydrothermal reaction under 80-180 DEG C for 15-30h; and centrifugalizing and cleaning in deionized water sediments, and baking the sediments under 100-150 DEG C to obtain the A0.925(WO4)0.5(MoO4)0.5:Tb3+0.05 solid solution luminescent microcrystalline. The invention has the advantages of environment protection, energy conservation, simple preparation processes and devices and low reaction temperature. The terbium-doped tungsten molybdate green fluorescent microcrystalline prepared by the preparation method disclosed by the invention has the advantages of pure phase, uniform granularity, suitable grain size, regular appearance, highly pure and bright green and excellent practicability.

The invention discloses an electronic star-finding mirror, which is used for assisting a main telescope of an astronomical telescope to find a target object. The electronic star-finding mirror comprises an imaging unit and an optical lens, wherein the imaging unit comprises an optical lens and is used for imaging the target sky area; an image sensor disposed on a focal plane of an optical lens ofthe imaging unit for sensing an image of a target day region obtained by the imaging unit; and a calculation unit that receives the image from the image sensor and is configured to perform the following processing based on the image: extracting a star point in the image; and identifying the star point in the image to obtain the name and/or the equatorial coordinate of the star point by matching the star point with the star table database. The application also discloses an astronomical telescope comprising the electronic star-finding mirror and an electronic star-finding computing device whichis used for matching with an electronic star-finding mirror. Compared with the traditional optical finder, the electronic star-finding mirror is more convenient for operation and use.

The invention discloses die plasma 3D rapid molding equipment and molding method. The equipment is composed of a monitoring system, a plasma beam machining system, a horizontal printing table for containing a to-be-molded die and a temporary fixing piece; the plasma beam machining system is composed of a plasma generator, an air supply device, a wire feeding device and a printing position adjusting device; the printing position adjusting device comprises a horizontal movement device and a printing distance adjusting device; and the monitoring system comprises a horizontal movement controller, a temperature detecting unit, a distance detecting unit and a printing distance adjusting controller, and a temperature regulation and control unit is composed of the temperature detecting unit and the printing distance adjusting controller. The molding method includes the steps of (1) three-dimensional model obtaining and layered slicing treatment; (2) scanning path filling; (3) scanning path obtaining; and (4) layer-by-layer printing from bottom to top. The die plasma 3D rapid molding equipment is reasonable in design, easy and convenient to operate, high in efficiency and good in using effect, the molding process is directly executed under the atmospheric environment, and the quality of the die is good.

The present invention is to provide an endoprosthesis, generally called a stent, that is designed to be firmly fixed into patient's body lumen regardless of the change of configuration of a body lumen such as an airway, thereby improving its stability and increasing its durability by flexibly and increasing its durability by flexibly corresponding to the operating state of the body lumen such as the airway.

The invention provides a nut fixed piece and a nut fixed structure, wherein, the nut piece comprises a plate-shaped main body, a connection part positioned at one end of the plate-shaped main body and an installation part positioned on the plate-shaped main body, wherein, the connection part is used for being detachably connected with a part needing to be installed with a nut; the installation part is used for detachably installing the nut. The nut fixed structure comprises a nut, a connection piece and a nut fixed piece of the invention; the connection piece is fixed on or is integrated with the part needing to be installed with a nut; an installation hole which can pass through a bolt connected with the nut is formed on the corresponding position of the nut hole and the hole of the nut fixed piece on the part needing to be installed with the nut; the nut can be detachably installed on the installation part which can be detachably connected on the connection piece. The active nut for later use does not need to be welded and is convenient for detaching and replacement, thus replacing a convex welded nut and solving the problem of the convex welded nut.

A recycling device of mud generated during well drilling and well repairing comprises a supporting and stretching frame foundation, a supporting and stretching hydraulic cylinder, a supporting and stretching frame, an opening and closing type clamping mechanism and a mud barrel. The recycling device of the mud generated during well drilling and well repairing is of a bionic arm structure. Only one supporting and stretching hydraulic cylinder is needed to drive a rear supporting and stretching frame body and a front supporting and stretching frame body of the supporting and stretching frame to move at the same time so as to achieve the stretching and folding of the supporting and stretching frame. Compared with an existing recycling device of the mud generated during well drilling and well repairing which is driven by multiple cylinders, the recycling device of the mud generated during well drilling and well repairing has the advantages that the structure is more compact, a control system is simple and higher in reliability, and the centering capacity of the mud barrel is good. Furthermore, due to the fact that the supporting and stretching frame can be folded when the recycling device is not used, the recycling device of the mud generated during well drilling and well repairing has the advantages that occupied space is reduced and influence on working of other tools is reduced when compared with an existing recycling device of the mud generated during well drilling and well repairing which is driven by a single cylinder.

The invention discloses a digital duplex remote networking wired interphone and relates to the technical field of interphones. The digital duplex remote networking wired interphone comprises master equipment (11), a controller area network (CAN) bus line concentration controller (22) and slave equipment (33), wherein the master equipment (11) is connected with the CAN bus line concentration controller (22); the slave equipment (33) is connected with intelligent nodes which are distributed at all logging well holes; and the intelligent nodes are connected with the CAN bus line concentration controller (22) through CAN bus communication interfaces and cables. By adoption of the digital duplex remote networking wired interphone, real-time voice communication between an operator in a well logging vehicle and staff on a well can be realized. The digital duplex remote networking wired interphone has a voice communication protocol at a security level, can stably operate under the severe working condition, and has the characteristics of water-proof, moisture-proof and dust-proof performance, wide working temperature range, and the like.

The invention provides a graphite composited overhead ground wire and a preparation method thereof. The graphite composited overhead ground wire comprises an inner core composed of a first composited graphite line, a secondary outer layer which is formed by lengthways arranging second composited graphite lines about the outer side of the inner core, and an outermost layer which is formed by knitting metal fibers about the secondary outer layer; the secondary outer layer completely wraps the inner core, and the outermost layer completely wraps the secondary outer layer; the first composited graphite line is prepared by intertwining composited graphite strips; the second graphite lines are prepared by intertwining the composited graphite strips about the metal fibers; each composited graphite strip comprises two vermicular graphite layer, a framework fiber and a carbon fiber, wherein the framework fiber and the carbon fiber are paved between the two graphite layers and are wrapped with adhesive layers. The graphite composited overhead ground wire has the advantages of being light in weight, low in resistance, low in inductive reactance and low in surface effect; the graphite composited overhead ground wire can be matched with an arrester so as to expand the lightning protection range of the overhead ground wire; in addition, the process is simple, the cost is low, and the engineering application effect is obvious.

The invention relates to a transom proximate matter and also relates to a preparation method thereof. A foam Ps transom proximate matter comprises a base material which is characterized in that the base material comprises the following raw materials according to the weight by parts: 50-75 parts of EPS regeneration particles, 25-50 parts of HIPS, 0.5-1.0 parts of saleratus, 0.1-1.5 parts of AC vesicant, and 2-4 parts of blowing promoter. The foam PS transom proximate matter prepared by a coextrusion method inherits the advantages of wood and micro expanded materials and overcomes shortcomings of the two materials. The raw material of the base material of the foam Ps transom proximate matter uses expandable polystyrene (EPS) in a great measure, thoroughly solves so called 'white foam' pollution in manufacturing production and current production; and scrapping materials can be recycled and reused in course of processing.

A skin-protecting protect for suppress lipid peroxide, delaying sanility and removing spots and wrinkles features that its additive contains turtle skin collagen which is prepared from turtle skin through extracting by enzymolyzing.

A switching regulator includes an input power supply connected to an input of the switching regulator; at least one input/output disconnection switch disposed between the input power supply and a device connected to an output of the switching regulator, for interrupting the supply of an energy to the device from the input power supply; and a device for limiting a rush current that flows into an output capacitor from the input power supply when the input/output disconnection switch turns on to start step-up operation.

The invention provides a fuel cell system, which comprises a heating and humidifying sub-system. According to the heating and humidifying sub-system of the fuel cell system, reaction gas is heated and humidified by using a heat exchanger and a water gas separator, the cost is greatly reduced, the problem that the performance of the heat exchanger and the water gas separator which operate for a long time is degraded is solved, and the performance can be kept stable for a long time, so that the generation efficiency of the fuel cell system is guaranteed.