57results about How to "Avoid prone to" patented technology

The invention discloses a radar / infrared two-waveband frequency selective surface which solves the technical problems that a latticed metal mesh FSS in the prior art cannot further improve optical transmittance, the distribution of stray light is centralized, and the application in high-precision detection and imaging observation is not facilitated, and belongs to the technical field of electromagnetic shielding. The radar / infrared two-waveband FSS is a cross-hole-shaped periodic array on a metal mesh, the metal mesh is a round-hole-shaped metal mesh or a hexagonal metal mesh, the periods of cross hole shapes are the integer multiples of the period of the metal mesh, and each cross hole shape meets the two following constraint conditions that the slit width of the cross hole shapes is the integer multiples of the period of the metal mesh minus the wire width of the metal mesh; the difference between the slit length of the cross hole shapes and the slit width of the cross hole shapes is the even times of the period of the metal mesh. The radar / infrared two-waveband FSS is higher in optical transmittance, more even in diffraction light distribution and capable of effectively restraining the stray light.

The invention provides a reaction die for a polymer optical fiber prefabricated bar, which includes a non-rigid polymerization container with closed lower end, a removable top cover and a tense polytetrafluoroethylene rope or metal wire, wherein the top cover is provided with a hole which makes an inner cavity of the polymerization container communicated with outside, circumference of the top cover is closely combined with the polymerization container, the polytetrafluoroethylene rope or metal wire is arranged at axle center of the polymerization container and penetrates overall length of the polymerization container. The reaction die has simple structure, and is suitable for industrial popularization. The invention also provides a method for preparing the polymer optical fiber prefabricated bar by using the reaction die. The method has simple operation, and is easy for industrial use, the prefabricated bar prepared by the method has flattening surface, less bubble, obvious fiber core cladding boundary and controllable diameter, is easy to be drawn to form fiber and realize doping to prepare various functional optical fiber prefabricated bar.

The disclosed management method for file in FLASH comprises: building index as the first attribute of FLASH file, operating the file by user as the index. This invention overcomes the defect in prior art, eliminates potential threat, and has well stability and generality.

The embodiment of the invention provides a washing machine, and a ventilation control method and ventilation control device thereof, and belongs to the field of home appliances. The control method includes: receiving a washing command; performing a washing operation; and opening a ventilation mechanism before and / or after performing the washing operation so as to allow a washing roller of the washing machine to be in a ventilation state. According to the scheme, unwashed or washed clothes in the washing machine can be effectively ventilated, and the situation that the clothes are stored in a sealed environment of the washing machine for long time to cause bacteria and odors can be avoided.

The invention discloses a preparation method of a copper sulfide demercuration agent. The method comprises the following steps: 1, uniformly mixing a soluble copper salt solution with an ethylene diamine solution, adding ammonia water, and mixing to obtain a premix solution, wherein a molar ratio of the copper salt to the ethylene diamine solution to ammonia water is 1:(1-2.5):(1-10); 2, adding the premix solution to a thiourea solution, and uniformly mixing to obtain an impregnation solution; and 3, immersing a carrier in the impregnation, draining, activating at 60-95DEG C for 1-5h, and drying. The content of copper sulfide in the prepared demercuration agent is 100%, the demercuration agent has no impurities, and the preparation method has the advantages of simplicity and easy realization of reaction conditions.

The invention relates to the technical field of feeds, and in particular relates to a pig feed, a preparation method thereof and application of grassiness in the pig feed. The pig feed comprises the following components in percentage by weight: 20-30% of grassiness fermented material, 55-65% of corn and 10-15% of bean pulp, wherein the grassiness fermented material comprises the following components in percentage by weight: 65-75% of fresh grassiness, 5-8% of corn powder and 20-30% of peptide leavening agent. The preparation method of the pig feed comprises the following steps: firstly, preparing the grassiness fermented material, and secondly, preparing the pig feed. As the pig feed does not contain wheat bran, aflatoxin which can be generated in the storage process of wheat bran can be prevented in the pig feed, and pigs fed with the pig feed have less possibility of being sick or dead. Furthermore, the production cost of the pig feed is reduced by 8-10%, and the production benefits are greatly increased.

The invention relates to an insulator core chamber sealing device and a current sensor / transformer with the same. The insulator core chamber sealing device is used for sealing an insulator core chamber inserted with an optical fiber, and the insulator core chamber is filled with fluid or semi-fluid insulating liquid. The device comprises a waterproof connector, a sleeve, a sleeve cap and filler, the waterproof connector is in butt joint with a flange at the end of an insulator, the sleeve is inserted into the waterproof connector and clamped with the waterproof connector, holes allowing the optical fiber to penetrate are formed in end faces of both sides of the sleeve, the filler is arranged in the sleeve, fixes the optical fiber in the sleeve and functions in sealing, the sleeve cap is mounted at the tail end of the sleeve, and a hole allowing the optical fiber to penetrate is formed in the end face of the sleeve cap. The device can achieve sealability of the fluid / semi-fluid insulating liquid in the insulator core chamber for penetration of the optical fiber to further guarantee normal operation of a power grid, and has the advantages of simple structure, low processing cost, easiness in operation, high efficiency, safety and the like.

The invention discloses a low-temperature atomizing electronic cigarette, and relates to the technical field of electronic products. The low-temperature atomizing electronic cigarette comprises a shell, wherein one end of the shell is provided with a cigarette holder, and a tobacco tar storage tank is arranged in the shell; the tobacco tar storage tank is connected with a low-temperature atomizerfor atomizing tobacco tar, and also comprises a heating device connected with a battery power source; the heating device is arranged between the low-temperature atomizer and the cigarette holder, andthe heating device is capable of heating the tobacco tar atomized at low temperature. The low-temperature atomizing electronic cigarette can heat the droplets atomized at low temperature appropriatelyby providing the heating device between the low-temperature atomizer and the cigarette holder, thereby avoiding harmful substances easily generated under the high temperature action of the tobacco tar, and also solving the problem that poor mouthfeel is caused by the atomized droplets having a lower temperature.

The invention provides a preparation method of a waterborne resin. The preparation method comprises the following steps: mixing a self-crosslinking acrylic resin with a neutralizing agent to obtain awaterborne acrylic resin, wherein the self-crosslinking acrylic resin contains a self-crosslinking group, the number-average molecular weight is 1000-10000, and the carboxyl group content is 25 mg KOHper gram; mixing with an initiator and a non-hydrophilic unsaturated monomer, conducting a polymerization reaction to obtain a core-shell structure waterborne acrylic resin; then mixing with the neutralizing agent, and mixing with a crosslinking agent to obtain the waterborne resin. The waterborne resin with certain molecular weight is prepared first as an emulsifying agent, no extra low-molecular-weight emulsifying agent is added, the foam caused in the construction and the reduction of the adhesive force of a paint film caused by the transferring of the emulsifying agent are avoided, as a resin shell layer in the waterborne resin is the low-molecular-weight water-soluble acrylic resin, the molecule has excellent motion performance, the permeability in the wood is good, the fullness of the paint film is high, the dispersibility and the wrapping property for a pigment are good, and the glossiness of the paint film of the waterborne resin is improved.

The invention discloses a method for constructingan underground continuous wall in bedrocks, and relates to the technical field of building construction. Themethod for constructingthe underground continuous wall in the bedrockscomprises the following step thatSl, measurement is prepared, specifically, according to a horizontal control point provided by an owner, a closed planar conducting wire is arranged at the periphery of a foundation pit, during construction of theundergroundcontinuous wall, an axis casting point adopts a polar coordinate method,according to the closed conducting wire at the periphery of the foundation pit and a reference point, the control point of each main axisiscasted, then each axis is guided to be tested by usinga total station,and during construction, conducting wireand axis reference control pointsare periodically retested.According to the method for constructing the underground continuous wall in the bedrock, a combined trenching machine consisting of a rotary drilling rig and an impact holing drilling rig is adopted to effectively solve the problem that the trenching machine cannot construct during normal construction in the bedrocks, the construction progress is accelerated,the construction efficiency is improved, a large amount ofeasily generated sediment when a steel cage is placed lateris avoided, overall operation is convenient, and the overall operation efficiency is high.

The invention discloses pig feed. The pig feed comprises the following components in percentage by weight: 30-40% of elephant grass, 45-55% of corn and 5-10% of bean meal; the pig feed also comprisesphytase, non-starch polysaccharase and an organic trace element additive; and the content of the phytase in the pig feed is 150-200mg / kg, the content of the non-starch polysaccharase in the pig feed is 350-750mg / kg and the content of the organic trace element additive is 120-250mg / kg.

Embodiments of the invention provide a display screen cover board and a fabrication method therefor, an arc-shaped display screen and a terminal. The display screen cover board comprises a transparent substrate, a plasma layer and a protective layer, wherein the transparent substrate comprises a flat panel part and a cambered surface part which extends from the flat panel part; the plasma layer covers the cambered surface part; and the protective layer is attached to the flat panel part and the plasma layer. According to the embodiments of the invention, by covering the cambered surface part of the transparent substrate with the plasma layer, the adhesive force between the cambered surface part and the protective layer can be increased due to the plasma layer, so that generation of air bubbles in the attaching position between the protective layer and the cambered surface part can be further avoided; and therefore, warping, falling off and the like of a protective film can be prevented, thereby improving the quality of the display screen cover board.

The invention relates to a traditional Chinese medicine (TCM) oral liquid used for treating avian renal injury, which comprises ten medicaments of phellodendron, rhizoma imperatae, tuckahoe, atractylodes, honeysuckle, radix astragali, liquorice, rush, lophatherum gracile and alisma orientale. The medicament is suitable for treating the avian renal injury caused by various diseases. The medicament effectively avoids the shortcoming that drug tolerance easily appears by using antibiotic drugs, and simultaneously the formulation of the medicament is combined with the special physiological structures that poultries have short genital tract and can not digest lignified fibers to prepare the medicament into oral liquid which can rapidly disperse in feeding water, and then sicken beasts and birds take medicaments by drinking. The TCM oral liquid is convenient, easy to absorb and can achieve the purpose of rapid effect.

The invention relates to an explosionproof electrical connector, plug and socket thereof. The plug comprises a plug shell and a plug assembly. The plug assembly is arranged in one end of the plug shell and possesses a plugging bolt. A lateral wall of the plugging bolt is successively provided with two opposite first contacts, two opposite second contacts, and a card which is arranged right above one of the two second contacts, wherein the first contacts, the second contacts and the card are arranged according to a sequence of from the near to the distant to a inserting end of the plugging bolt. The socket comprises a socket shell and a socket assembly. The socket assembly, which is arranged in one end of the socket shell, possesses a plugging bolt aperture which is fit for the plugging bolt to be plugged and rotated and a guide groove, two opposite first electrodes and two opposite second electrodes which are successively arranged on a aperture wall of the plugging bolt aperture. The plugging bolt is inserted into the plugging bolt aperture and is rotated along the guide groove through the card to an angle to a conductive position. The first contacts and the second contacts are respectively electrically connected with the first electrodes and the second electrodes in the conductive position. If the plugging bolt is reversely rotated, the first contacts and the second contacts are separated from the first electrodes and the second electrodes and the power is off.

The invention relates to a reclaiming method utilizing a cement kiln to co-process residues after recovering metals from waste and old lithium batteries. The method comprises the following steps: washing residues after recovering metals from waste and old lithium batteries by water until the pH value is reduced to about 9-10, wherein pH of residues is increased so as to promote the passivation of heavy metals and reduce dissolving-out of heavy metals; after water washing, performing press filtering and dehydration; drying the dehydrated mud cake of residues by a waste heat recover technology of novel dry process cement clinker production line until the water content is less than 30%; measuring the main components of dried residues, according to a certain ration, mixing residues with raw materials, homogenizing the mixture, introducing the mixture into a novel dry process cement rotary kiln from a pre-decomposition kiln, and burning the mixture to produce cement clinker. Through the cooperation of a dry process kiln, the metals in residues are immobilized, moreover, trace metal elements in residues can play the role of a mineralizing agent during the sintering process of cement clinker, and the sintering is promoted. The method can harmlessly processes residues after recovering metals from waste and old lithium batteries and provides a novel way for completely utilizing battery wastes.

The invention relates to the technical field of fiber cloth, in particular to fiberglass cloth special for thermoplastic fiberglass reinforced PP composites. A production process of the fiberglass cloth includes preparation of blended fiber yarn, preparation of the fiberglass cloth, and posttreatment; the step of preparation of the blended fiber yarn includes adding a PP yarn unreeling on a coil base special for an alkali-free fiberglass melting furnace drawing line, and designing yarn count according to the proportion of fiberglass: PP fiber=6:4 in the process of twistless fiberglass roving. Production cost is lowered, the production process is simplified, product strength is enhanced, and the fiberglass cloth is suitable for large-scale production.

The invention discloses a production process of special glass fiber cloth for a thermoplastic glass fiber reinforced PP composite material, and relates to the technical field of fiber cloth. A PP yarnwinding and unwinding device is additionally arranged on a special furnace platform for an alkali-free glass fiber tank furnace wiredrawing production line, during drawing of glass fiber rovings, winding and forming are carried out on PP yarns and the alkali-free glass fiber thermoplastic rovings according to the ratio of 6:4 of glass fibers to PP fibers, and then drying and shaping are carried out to obtain required alkali-free glass fiber and PP yarn blended fiber yarns; the alkali-free glass fibers and PP yarn blended fiber yarns are put on a warping creel, all the yarns are bonded by using an adhesive tape after the yarns are arranged, the yarns are wound on a warp beam with the breadth of 2220+ / -10 mm, and drafting, denting, beaming and weaving are sequentially carried out on the warp beam according to the twill weave of 2 / 2 or 1 / 3 to prepare fiber cloth; and post-processing is carried out. According to the production process, the production cost is reduced, the production process is simplified, the product strength is improved, and large-scale production is facilitated.

The invention relates to a positive electrode lithium supplementing material and a lithium ion battery comprising the same. The lithium supplementing material is coated in a special surface coating mode, and the purposes of stabilizing the stability of the surface structure of the material and reducing the residual alkali value are achieved. Meanwhile, the problem of series of side reactions caused by a large amount of gas easily generated in the charging and discharging process and structural instability can be solved. Zirconium dioxide is used as a coating layer to coat the surface of Li5FeO4, on one hand, zirconium dioxide is used as a non-active material, has a porous structure and inhibits erosion of HF in an electrolyte to protect a Li5FeO4 body material, and meanwhile, free intercalation and deintercalation of lithium ions can be allowed; on the other hand, the zirconium dioxide react with residual lithium on the surface of the Li5FeO4, so that the residual alkali value of the material is reduced, the gas production problem of the battery is effectively inhibited, and a stable surface structure is obtained.

The invention provides an electric heater. The electric heater comprises an electric boiler, wherein the electric boiler comprises a box body; electric heating wires are mounted at the bottom part ofthe box body; a first electric carbon fiber heating body, which permeates far infrared rays and can transmit far infrared rays, is fixed to the top part of the box body; a heat storing box is mountedin the electric boiler at the lower part of electric carbon fiber heating body; a phase change heat storing body is sealed in the heat storing box; heat transferring liquid is stored in the box body,and at least part of the heat transferring liquid is in contact with the heat storing box; a far infrared layer coats the upper surface of a first top plate; and the lower part of the electric boileris supported through universal wheels, so that the electric heater can freely move. According to the electric heater, the phase change heat storing body is adopted and performs phase change heat storing, so that the heat storing efficiency is high; equivalent heat energy is radiated, and the effect on a human body is outstanding.

The invention relates to the technical field of agricultural ecological management, and discloses an insect catching device for agricultural ecological planting. The insect catching device comprises a supporting plate, a supporting block is mounted above the supporting plate, a first connecting rod is fixedly connected to the center of the upper surface of the supporting block, the lower ends of two fourth connecting rods are jointly and fixedly connected with a base plate, a storage assembly is arranged below the base plate, and an adjusting assembly is arranged on the upper surface of the supporting plate. By arranging the storage assembly, a micro motor in the storage assembly is started to drive a cleaning brush to rotate to sweep electrocuted insects into a storage box through square strip holes, so that the dead insects are prevented from leaking to the outside and adhering to water stains to generate bacteria; and odor emitted by the insects can be absorbed by the activated carbon, unpleasant odor is prevented from being emitted, a connecting sleeve is moved upwards to extrude a check block in an adjusting assembly to increase the height of a black light trap lamp and an attractant, a thin rod is used for pushing the check block from the lower portion to push the check block into an adjusting rod to reduce the height, and therefore, the insect catching device is suitable for different agricultural plants.

The invention relates to a method for preparing a lithium battery electrode by using a supercritical current collector and the electrode. The method comprises the following steps: putting an electrodematerial, a conductive agent and an adhesive into a high-pressure reaction kettle according to a required ratio; adding a supercritical CO2 fluid into a high-pressure reaction kettle, stirring the mixture for 1-20 hours in a high-temperature and high-pressure closed environment at 100-150 DEG C for 1-20 MPa, and forming a uniformly distributed electrode system by the electrode material, the conductive agent and the adhesive under the action of the supercritical CO2 fluid; after stirring is completed, relieving the pressure, wherein in the pressure relief process, the supercritical CO2 fluid is converted into gaseous CO2 to be discharged out of the high-pressure reaction kettle; and after pressure relief is completed, drying and hot-pressing a product in the high-pressure reaction kettle to obtain the lithium battery electrode.

The invention relates to a preparation method of lixisenatide. Lixisenatide is synthesized through a fragment condensation method. Specifically, fragment 20-24 peptide resin and fragment 15-19 are used to carry out solid phase condensation, and then residual amino acids are coupled gradually until the solid phase synthesis is finished. Compared with the conventional step-by-step coupling, the purity and purification yield of coarse peptide are improved.

The disclosed management method for file in FLASH comprises: building index as the first attribute of FLASH file, operating the file by user as the index. This invention overcomes the defect in prior art, eliminates potential threat, and has well stability and generality.

The invention provides a positive electrode lithium supplementing material and a lithium ion battery comprising the positive electrode lithium supplementing material, the lithium supplementing material is coated in a special surface coating mode, and the purposes of stabilizing the stability of the surface structure of the material and reducing the residual alkali value are achieved. Meanwhile, the problems that a large amount of gas is easily generated in the charging and discharging process, the structure is unstable, and then a series of side reactions are caused can be solved. Zirconium dioxide is adopted as a coating layer and coats the surface of Li2NiO2, on one hand, zirconium dioxide is used as a non-active material, has a porous structure and inhibits erosion of HF in an electrolyte to protect a Li2NiO2 body material, and meanwhile, free deintercalation of lithium ions can be allowed; on the other hand, the reaction with residual lithium on the surface of Li2NiO2 is carried out, the residual alkali value of the material is reduced, and the gas production problem of the battery is effectively inhibited, so that a stable surface structure is obtained.

The invention discloses single crystal semiconductor material processing equipment and a use method thereof. The single crystal semiconductor material processing equipment comprises a frame body, wherein one side of the lower portion of the frame body is provided with a control box; a conveying belt is installed at the upper end of the frame body, wherein a feeding box is placed on the surface ofthe conveying belt; and a transmission device is installed on the inner circumference of the conveying belt, wherein the periphery of the transmission device at one end is in transmission connection with the output shaft end of a first motor through a transmission chain, and a shell of the first motor is fixed to the other side of the lower portion of the frame body through a stud. According to the single crystal semiconductor material processing equipment and the use method thereof, through arranging the conveying belt, a second conveying belt, a third conveying belt, the feeding box, a leadscrew linear guide rail and a thickness detector, stable thickness detection is formed, an accurate thickness value is obtained, so that the problems that in the prior art an error range generated bymanual sorting is large and that the fragment rate of abrasive sheets during working is high are solved, the finished product rate is increased, and use experience is optimized.

The invention discloses a device and method capable of inhibiting aerosol propagation and disinfecting and a toilet bowl, the device is used for the toilet bowl, can spray a water curtain capable of covering the inner wall surface of the toilet bowl and disinfect the inner wall surface of the toilet bowl, and comprises a disinfectant storage container, an infusion pump, a water curtain nozzle, a switching mechanism, a control valve and a water conveying pipe, the water inlet end of the water conveying pipe is connected with the control valve so as to control whether water enters the water conveying pipe or not, the water outlet end of the water conveying pipe and the disinfectant storage container are connected with an inlet of the infusion pump through the switching mechanism, and the switching mechanism controls the water conveying pipe and the disinfectant storage container to be alternately communicated with the inlet of the infusion pump; and an outlet of the infusion pump is communicated with the water curtain nozzle. After a user uses the toilet bowl, the water curtain can cover the inner wall face of the toilet bowl, so that aerosol generated by flushing of the toilet bowl is inhibited from spreading outwards, meanwhile, the inner wall face of the toilet bowl is disinfected after flushing of the toilet bowl is completed, and pathogenic viruses on excrement left on the inner wall face of the toilet bowl are avoided.