579results about How to "Avoid affecting the effect of use" patented technology

The present invention discloses a gas-water mixing bubbler. The gas-water mixing bubbler comprises a body, a splitter and an insertion part. The body is hollow, and forms an assembly hole. The insertion part and the splitter are arranged and connected inside the assembly hole. The body is provided with a suction hole, wherein the internal of the suction hole and the external of the suction hole are penetrated. The splitter is provided with jet flow holes. The insertion part comprises a lower-layer grid portion and an upper-layer grid portion. The lower-layer grid portion comprises a pluralityof spokes. The upper-layer grid portion comprises a plurality of round rods, wherein the round rods are arranged concentrically. The round rods form fixed connections with the spokes. The round rods are provided with plural pairs of projections, wherein the projections form annular arrays. Each pair of the projection is respectively convexly arranged on the inner rod surface and the outer rod surface of the round rod, and is matched to form a cylinder. The positions of the cylinders are relative to the fixed connection positions of the round rods and the spokes. The position of the upper end surface of the cylinder is at the same level as the position of the upper end surface of the round rod. The jet flow holes of the splitter are corresponding to the cylinders of the insertion part, such that the water flow passes through the jet flow holes, and directly impacts on the cylinders of the insertion part. The gas-water mixing bubbler has the following advantages that: the jet flow impacting opportunity is increased, the multiple impacting opportunities of the jet flow are increased, the water-saving effect is excellent, and the water particles are full.

The invention discloses a manufacturing method for a microwave high frequency metal base circuit board, which comprises the following steps: step one, manufacturing an optical drawing template; step two, manufacturing a split material and a bore hole; step three, manufacturing the surface graph of a composition board of a metal base copper-clad plate; step four, electroplating and etching; and step five, molding. Not only the manufacturing method has high manufacturing precision and effectively increases the product quality and working efficiency, but also the manufactured microwave high frequency metal base circuit board has stable performance.

The invention discloses skin barrier repairing lotion. The skin barrier repairing lotion is prepared from the following raw materials: water, a humectant, a skin conditioning agent, an emulsifier, a thickening agent, an antioxidant, plant extract and a skin repairing agent, wherein the skin repairing agent is prepared from palmitoyl tripeptide-5, acetyl tetrapeptide-2, acetyl hexapeptide-8, oligopeptide-1, ceramide 3, ceramide 6II and ceramide 1. According to the skin barrier repairing lotion, the ceramide and polypeptide are prepared into a ceramide-polypeptide skin repairing agent with a net-shaped structure; when the ceramide-polypeptide skin repairing agent is used, a protection film can be formed on the surface of skin, the protection time on the skin is prolonged and the effect of askin barrier is realized; the ceramide-polypeptide skin repairing agent is prepared into nano-gel microcapsules and the ceramide-polypeptide skin repairing agent is protected, so that the stability isenhanced and the ceramide-polypeptide skin repairing agent effectively acts on skin cells and has a skin repairing effect.

The invention relates to the industry of rehabilitation medical apparatuses, and in particular relates to a finger bending and stretching training device with a front arm massage function. The devicecomprises a storage table, a handheld part, an expanding air bag, a rubber base, a tightening belt, a massage part, an air pump and a control panel. The device provided by the invention achieves automatic bending and stretching rehabilitation training of fingers, and is provided with the massage device for alleviating fatigue muscles of the front arm conveniently.

The invention discloses a driver of a window lock. The driver comprises a main body and a base plate, wherein the main body is provided with a gearing which comprises a driving gear, a first driving rod and a second driving rod; one end surface of the driving gear is provided with a cylinder bulge which is jointed with a through hole arranged on the main body in an embedding mode; the inside surfaces of the rod parts of the first driving rod and the second driving rod are respectively provided with a rack meshed with the tooth part of the driving gear; guiding limit ribs, which are located bybeing matched with guiding limit grooves arranged at two sides of the base plate, are respectively arranged below the rod parts of the first driving rod and the second driving rod; and the end edges of the first driving rod and the second driving rod are respectively provided with a connecting bulge, and the connecting bulges are located by being matched with displacement slots arranged at two ends of the main body. The driver provided by the invention has the advantages that the tooth part and rack of the driving gear are mutually matched, the guiding limit ribs and the guiding limit groovesare mutually matched, and the cylinder bulge is jointed with the through hole in an embedding mode, thereby enabling the bidirection displacement of the first driving rod and the second driving rod to be realized under the action of external force.

The invention discloses an intelligent special table for accounting. The special table comprises a table body, wherein a lifting bracket is arranged at the lower side of the table body; a lifting groove is formed in the table body; a display rotary lifting mechanism is arranged at the lower side of the lifting groove; a human face height recognition mechanism is arranged on the table body; a seal storage module and a cash counting sponge module are additionally arranged on the table body; an automatic ink jet mechanism is arranged in the seal storage module; an automatic humidifying mechanism is arranged in the cash counting sponge module; a bill storage mechanism is arranged at one side of the table body; and the display rotary lifting mechanism, the lifting bracket, the human face height recognition mechanism, the automatic ink jet mechanism, the automatic humidifying mechanism and the bill storage mechanism are connected to a controller. According to the intelligent special table for accounting provided by the invention, human face height of a user can be automatically adjusted in accordance with heights of the table body and a display, so that the user can operate a computer and can view the display conveniently; and seals, bills and cash-counting sponge can be kept in a classified mode, so that the surface of the table body is kept tidy.

The invention discloses an intelligent curtain, wherein a cross beam with threaded outer surface is arranged between a top plate and a sliding rod, and the cross beam is driven to rotate by a drivingdevice, so that a driving member moves on the cross beam, and then the curtain body is pulled or pushed by a pulling rod, thereby realizing the opening and closing of the curtain body and being convenient to use. When the intelligent curtain is in use, according to the control instruction received by the controller, the driving device is controlled to drive the cross beam to rotate forward or reverse, and the curtain body is pulled to move in the direction of the electromagnet by the driving member and the drawing rod, or the curtain body is pushed to move in the direction of the vertical bracket, thereby realizing the automatic opening and closing of the curtain. In addition, when it is necessary to deploy the curtain for shading or windshielding, the movable end of the curtain body can be fixed by utilizing the characteristics of magnets and electromagnets so as to improve the sealing effect of the curtain body and avoid the movable end of the curtain body from being blown up by thewind, thereby affecting the use effect.

The invention discloses a sorting robot and a sorting method for a sheet material, and belongs to the field of sheet material sorting, wherein the sorting robot for the sheet material comprises a clamping jaw manipulator, a vacuum absorption device detachably installed at the tail end of the clamping jaw manipulator, an electric appliance cabinet installed outside the working range of the electricappliance cabinet, and a camera installed on the clamping jaw manipulator; the vacuum absorption device comprises an installation plate installed at the end tail of the clamping jaw manipulator, a plurality of vacuum chucks screwed below the installation plate, a dust removing device hinged around the installation plate, and first contact switches fixed around the vacuum chucks; the dust removingdevice comprises a dust blowing gun, and a second contact switch fixed behind the dust blowing gun; and a pneumatic component group and a main control computer are arranged in the electric appliancecabinet; the sorting robot and the sorting method for the sheet material provided by the invention avoid the personnel injury caused by the manual operation, reduce the incidence of the fault, and canadapt to the sheet material with different materials.

The invention relates to a high-temperature-resistant soft bulk-shielding instrument cable for maritime oil and gas engineering and a manufacturing method thereof. The cable is characterized in that a chemical cross-linked polyolefin insulation layer is extruded at the periphery of a tin-plated annealed stranded copper conductor to form a power cable insulation wire core; every two insulation wire cores are twisted to form twisted wire pairs, and the twisted wire pairs are stranded to form a cable core; the periphery of the cable core is successively wrapped with a copper foil polyester composite tape shielding layer and a polyester tape; and the periphery of the polyester tape is successively provided with an extruded inner sheath, a clad copper alloy wire weaving armor layer, a wrapped water-proof wrapping tape, and an extruded outer sheath. The insulation layer is prepared from the following raw material components: 12 parts of ethylene / vinyl acetate copolymer, 6 parts of high density polyethylene, 2 parts of ethylene-methacrylic acid copolymer, 0.5-1 part of cross-linking agent DCP (Dicumyl Peroxide), 0.4-0.9 part of antioxidant 1076, 0.2-0.4 parts of antioxidant DNP, 0.2-1 part of lubricant stearic acid, 25-30 parts of aluminum hydroxide, 0.6-1 part of red phosphorus, and 0.05-0.1 parts of ultraviolet ray absorber UV-326. The insulation layer of the cable is excellent in high-temperature resistance and ageing resistance, and long in service life.

The invention discloses a method for producing a dual-interface card. In the prior art, an etched copper antenna, an etched aluminum antenna, an electro copper antenna or a conductive silver paste antenna is employed; and the antenna and a copper bonding pad of a dual-interface module are connected by using a soldering method, so that problems of low welding efficiency and large module deformation are caused; however, the above-mentioned problems are solved by utilizing the method provided in the invention. Moreover, the method can be applied to fully automatic and mass production, so that a production rate, welding reliability and a yield can be substantially improved. Furthermore, expensive and high precision groove milling equipment is completely unnecessary in the working mode, so that costs are reduced as well as reliability and stability of the dual-interface card are enhanced.

The invention discloses a T-shaped stainless steel clamp used for automobiles, which comprises a No. 1 hoop, a limit groove, bolts and a No. 2 hoop. The inner side of the No. 1 hoop is provided with a rubber body, the surface of the No. 2 hoop is provided with a limiting groove, the upper end of the No. 1 hoop is fixedly connected with a screw hole, and a bolt is arranged inside the screw hole, and a spring is connected to one end of the bolt. One end of the spring is connected with a nut, the other end of the bolt is movably connected with a shaft sleeve, and a rotating shaft is arranged inside the shaft sleeve. In the present invention, by designing the hoop as a double-layer hoop, the higher strength of the two-layer hoop can be used to more firmly fix the rubber hose, etc., and a rubber body is arranged inside the No. 2 hoop to reinforce objects or parts. Use the characteristics of rubber to protect the reinforcement object to a certain extent. By setting a limit groove on the surface of the No. 2 hoop, the reinforcement object will be clamped during bolting to prevent the hoop from loosening or falling off.

The invention discloses a heat radiation structure assembly of an electronic device. The heat radiation structure assembly comprises a mainboard and a mainboard supporting member, wherein the mainboard is used for installing a chip and comprises a relatively high-temperature first region and a relatively low-temperature second region, the heat radiation structure assembly also comprises a heat conduction part, and the heat conduction part is arranged on the mainboard and can be used for transferring heat to the second region from the first region. The heat conduction part is arranged on the mainboard with regard to different-temperature regions and is used for transferring heat of the relatively high-temperature first region on the mainboard to the relatively low-temperature second region, and thus, the heat on the mainboard is uniformly distributed. Moreover, the invention also discloses the electronic device. Through the introduction of the above heat radiation structure component into the electronic device, the heat of the relatively high-temperature region on the electronic device is automatically transferred to the relatively low-temperature region, local temperature of the electronic device is reduced, user application and system performance are prevented from being affected, and a user experience is improved.

The invention discloses a triangle belt with high tensile strength and high weather resistance and a preparation method thereof. The triangle belt comprises a strength layer, a buffer rubber layer, acompressed rubber layer and a coating cloth layer. Raw materials of the compressed rubber layer comprise the following components of chloroprene rubber, cis-polybutadiene rubber, zinc oxide, filler, aromatic oil, a vulcanizing agent and rosin-based sodium sulfosuccinate diester. The rosin-based sodium sulfosuccinate diester has dispersion and emulsification effects and can improve the compatibility and mixing uniformity of the vulcanizing agent, the chloroprene rubber and the cis-polybutadiene rubber , the vulcanizing effect of the vulcanizing agent is improved, and the weather resistance andthe tensile strength of the compressed rubber layer are improved. The zinc oxide has the property of a reinforcing agent and enables the compressed rubber layer to have good tear resistance and elasticity. The zinc oxide has the property of a vulkacit and enhances the vulcanization activity of the compressed rubber layer. The emulsification effect of the rosin-based sodium sulfosuccinate diester can improve the acting force between the zinc oxide, the chloroprene rubber and the cis-polybutadiene rubber and improve the performance enhancement effect of the zinc oxide as the reinforcing agent and the vulkacit on the compressed rubber layer.

The invention relates to a preparation method of a bright oil, which comprises the following steps: enabling light-weight deasphalted oil to be in contact with a solvent in which macro-molecule polycyclic aromatic hydrocarbon can be selectively dissolved, thus obtaining a wax-containing refined oil; enabling the wax-containing refined oil to be in contact with a dewaxing solvent, thus obtaining a dewaxed oil and a micro-crystalline wax paste; enabling a mixture of the dewaxed oil and hydrogen gas to be in contact with a hydrotreating catalyst, thus obtaining a first hydrogenated full distillate oil; respectively enabling a mixture of the first hydrogenated full distillate oil and hydrogen gas to be in contact with a hydroisomerizing catalyst and a hydrorefining catalyst, thus obtaining a second hydrogenated full distillate oil; and separating out the distillate of which the boiling point is higher than 500 DEG C from the second hydrogenated full distillate oil, wherein the distillate is the bright oil product. By using the traditional method, only a low-viscosity index bright oil product can be produced; or by using the conventional isomerization dewaxing method, a high-viscosity intermediate-base or mixed-base material of the bright oil can not be obtained. By using the preparation method provided by the invention, a bright oil product which has satisfactory kinematic viscosity, high viscosity index and low pour point and does not contain floccules at normal temperature can be produced, and the micro-crystalline wax can be produced as a byproduct.

The invention provides a stone cutting method in which cooling water can be recycled, and relates to the field of stone cutting. The stone cutting device with recyclable cooling water includes a cutting table, an operation support box is welded and fixed on the right side of the top of the cutting table, and a cutting motor is installed on the left side of the operation support box, and the cutting motor is far away from the side of the operation support box. A protection plate is fixedly connected to the side, and a support seat is arranged above the cutting table and on the left side of the operation support box. The stone cutting device with recyclable cooling water has a simple structure and is easy to use. After the water is sprayed out by the sprinkler head, it will flow into the confluence tank through the flow tank, and the used water will be discharged through the outlet pipe after the confluence of the confluence tank. It flows into the water storage tank and is preserved. When it is used, the stored water can be pumped out from the water storage tank through the water pump through the water pump, so that the water after use can be recycled, avoiding direct flow into the ground and causing water pollution. The problem of wasting resources.

The invention discloses even-stirring equipment which comprises an even-stirring part, an output part arranged at the bottom of the even-stirring part and a boss part arranged at the bottom of the output part. The boss part is of a hollow structure, a balancing weight is embedded in the inner bottom of the boss part, an accommodating cavity is arranged in the even-stirring part, multiple sets of bucket troughs are arranged in the bottom of the accommodating cavity, a port is arranged in the bottom of each bucket trough, a first sliding connecting groove penetrating the port and extending leftwards and rightwards is arranged in the port, a first sliding connection part is arranged in the first sliding connection groove, an output hole is arranged in the first sliding connection part, a first spiral thread hole is arranged in the left side of the first sliding connection part, a first spiral rod is connected in the first spiral thread hole in spiral thread fitness, the first spiral rod is connected with a first electrical rotating machine, multiple sets of collecting zones are evenly arranged on the outer surface of the front and rear sides of the output part, a connection slot matched with the bottom of each port is arranged in the output part, a first chamfer groove and a second chamfer groove are arranged on front and rear sides of the bottom of each connection slot, and the bottom tail of the first chamfer groove is communicated with the collecting part on the front side of the output part. The even-stirring equipment is simple in structure, reasonable in design, convenient in operation, capable of realizing automatic stirring and automatic discharging and transferring and even in stirring, stirring efficiency is improved, supply requirements are met, and use cost is low.

The invention provides a stone cutting device in which cooling water can be recycled, and relates to the field of stone cutting. The stone cutting device with recyclable cooling water includes a cutting table, an operation support box is welded and fixed on the right side of the top of the cutting table, and a cutting motor is installed on the left side of the operation support box, and the cutting motor is far away from the side of the operation support box. A protection plate is fixedly connected to the side, and a support seat is arranged above the cutting table and on the left side of the operation support box. The stone cutting device with recyclable cooling water has a simple structure and is easy to use. After the water is sprayed out by the sprinkler head, it will flow into the confluence tank through the flow tank, and the used water will be discharged through the outlet pipe after the confluence of the confluence tank. It flows into the water storage tank and is preserved. When it is used, the stored water can be pumped out from the water storage tank through the water pump through the water pump, so that the water after use can be recycled, avoiding direct flow into the ground and causing water pollution. The problem of wasting resources.

The invention relates to the technical field of robots, in particular to a gecko foot imitating type tower climbing robot. The gecko foot imitating type tower climbing robot is provided with an electric lead screw and electromagneto suction cups, and is characterized in that the robot comprises a pole climbing mechanism, two suction cup mechanisms and two steering mechanisms; the suction cup mechanisms are arranged at the two ends of the pole climbing mechanism correspondingly; the steering mechanisms are arranged at the lower ends of the suction cup mechanisms; the pole climbing mechanism is composed of the electric lead screw; each suction cup mechanism is composed of a shell, a worm and gear assembly, a motor and one electromagneto suction cup; and each steering mechanism is composed of a steering drive motor, a worm and gear assembly and a steering rod. The gecko foot imitating type tower climbing robot has the advantages of being simple in structure, good in stability, flexible in movement, easy to control, high in loading capacity, high in overturn prevention capacity and the like.

The invention discloses an air outlet size adjustable vertical air purifier. The vertical air purifier comprises a shell. The shell is internally provided with an air inlet part, a draught fan part and an air outlet part from bottom to top in sequence. The top of the shell is provided with an opening. The opening is covered with an air outlet cover plate. The air outlet cover plate can ascend anddescend to the original position. When the air outlet cover plate ascends, the lower portion of the air outlet cover plate and the opening of the top of the shell form an air outlet. The air outlet becomes larger or smaller along with ascending of the air outlet cover plate. The air outlet size adjustable vertical air purifier has the advantages that the size of the air outlet is adjustable, and the vertical air purifier is capable of saving energy and reducing noise, convenient to use and high in purifying efficiency.

The invention discloses an oligopeptide repairing essence liquid and a use method thereof, and relates to the technical field of skin care products. The oligopeptide repairing essence liquid is composed of repairing lyophilized powder and a repairing solvent liquid, the repairing lyophilized powder contains mannitol, glutathione, oligosaccharide-1 and oligopeptide-2, and the repairing solvent liquid contains water, glycerin, propylene glycol, a dendrobium nobile stem extract, a radix sophorae extract, an aloe barbadensis leaf extract, an echinacea purpurea extract, a Ningxia fructus lycii extract, p-hydroxyacetophenone and 1,2-hexanediol. The prepared essence liquid is suitable for deep repairing of various skin injuries to improve the skin quality; the oligopeptide repairing essence liquid is particularly suitable for repairing the skin after sunburn, the skin is quickly repaired, the injury degree of the skin after sunburn is reduced, and the time for repairing the skin after sunburnis shortened.

The invention relates to the technical field of materials for the light energy industry and the micro-electronic industry and discloses a super-fine nickel-clad copper alloy wire and a manufacturing method of the super-fine nickel-clad copper alloy wire. The super-fine nickel-clad copper alloy wire comprises a super-fine copper wire, wherein a nickel film is arranged outside the super-fine copper wire, and the super-fine copper wire is mainly made of high-purity copper and is formed through smelting by adding modified elements to the high-purity copper. According to the super-fine nickel-clad copper alloy wire and the manufacturing method of the super-fine nickel-clad copper alloy wire, the problems that when drawing is conducted after plating, the film is uneven, wire rods are uneven and surface cracks occur after drawing due to the fact that the hardness of internal components is different from the hardness of external components and the plasticity of the internal components is different from the plasticity of the external component, and usability is affected can be avoided; meanwhile, the copper wire can be effectively prevented from being oxidized, and welding during application is facilitated; compared with an existing palladium-clad copper wire and an existing gold-clad copper wire, the nickel-clad copper wire has the advantage that material cost can be greatly reduced.

The invention discloses a composite steel slag grinding aid, and belongs to the technical field of industrial waste residue recovery. The composite steel slag grinding aid comprises a polyallylamine mixture, grinding-aid granules, an egg yolk hydrolysate, a camellia seed meal hydrolysate, tackifier, thixotropic agent and inorganic salt, wherein the polyallylamine mixture is obtained by introducingcarbon dioxide into a mixture of polyallylamine and water; the grinding-aid granules are prepared by mixing fly ash and sepiolite; the egg yolk hydrolysate and the camellia seed meal hydrolysate arerespectively obtained through enzymolysis of egg yolks and camellia seed meals, and then concentration; the tackifier is prepared from coal tar and carrageenan; and the inorganic salt is prepared frompotassium permanganate and ammonium nitrate. The composite steel slag grinding aid will not affect an activity, and has a good grinding-aid effect.

The invention discloses an antioxidant, anti-aging and anti-radiation eye pad composition and a preparation method thereof, and relates to a health product composition for human eyes. The composition comprises water and a proper amount of moisturizer and additive. The composition is characterized by being prepared from functional substances composed of a proper amount of dipotassium glycyrrhizinate, astaxanthin, a vaccinium angustifolium fruit extract, nicotinamide, a wild chrysanthemum extract liquid, camphor, alcohol, camphor, menthol and castor oil in a mixing manner. According to the antioxidant, anti-aging and anti-radiation eye pad composition, the antioxidant, anti-aging and anti-radiation functions of the human skin can be greatly improved; and the antioxidant, anti-aging and anti-radiation eye pad composition also has the efficacies of enhancing the immunity and protecting eyesight.

The invention discloses a vertical type air purifier with a noise-reducing structure. The vertical type air purifier comprises a housing, wherein an air inlet part, a fan part and an air outlet part are sequentially arranged in the housing from bottom to top; the housing is provided with a top opening, and an air outlet cover plate covers the opening; the air outlet cover plate can ascend upwards,and can descend and drop to the original position; when the air outlet cover plate upwards ascends, the lower portion of the air outlet cover plate and the top opening of the housing define an air outlet; and ascending height, along with the air outlet cover plate, of the air outlet is increased or reduced. The vertical type air purifier is adjustable in size of the air outlet, saves energy and reduces noises, is convenient to use, and is high in purifying efficiency.

The invention relates to a VRV air-conditioning system suitable for an equipment machine room. The system comprises a circulating refrigeration subsystem, an outdoor VRV air-conditioning refrigerationsubsystem, at least one indoor VRV air-conditioning refrigeration subsystem and a pipeline system for communicating the circulating refrigeration subsystem, the outdoor VRV air-conditioning refrigeration subsystem and the at least one indoor VRV air-conditioning refrigeration subsystem. Each indoor VRV air-conditioning refrigeration subsystem comprises a humidification module and a heating module. The humidification module and the heating module are arranged in each indoor VRV air-conditioning refrigeration subsystem, and are cooperated with the circulating refrigeration subsystem and the outdoor VRV air-conditioning refrigeration subsystem which communicate through the pipeline system, so that each tail end indoor unit can control humidification and heating of the humidification modulesand the heating modules according to the temperature and humidity requirements of the tail end indoor unit, and the effects that the air supply temperature and humidity of operation of machine room equipment are flexibly and accurately adjusted, and energy waste caused by excessive humidification and heating is avoided are achieved.

The invention belongs to the technical field of rubber tires and chemical engineering manufacturing, and concretely relates to a liquid isoprene rubber-containing semi-steel meridian tire sidewall rubber composition and a preparation method thereof. The tire sidewall rubber composition comprises, by weight, 30-50 parts of natural rubber, 40-60 parts of butadiene rubber, 10-20 parts of liquid isoprene rubber, 52-56 parts of carbon black, 4.6-5.7 parts of an activator, 3.7-4.2 parts of an antioxidant, 1.8-2.5 parts of protection wax, 2-4 parts of a homogenizing agent, 0.7-1.0 part of a promoter and 1.76-1.8 parts of sulfur. The liquid isoprene rubber is used in semi-steel tire sidewalls, and rubber processing oil in traditional formulas is eliminated, so the problems of visual pollution and color change of tires, caused by migration and precipitation of the rubber processing oil from the surfaces of the tires in the late stage are solved, thereby the visual brightness of the tires is improved; and the use of the liquid isoprene rubber makes produced tires be better than tires produced by using the rubber processing oil in tire sidewall deflection heating reduction, tear resistance, cold resistance and ageing resistance.

The invention provides a virtual reality helmet. The virtual reality helmet comprises a main frame, optical lenses and a display module, wherein the main frame is provided with through holes; the optical lenses are mounted in the through holes in a sealed manner; the display module comprises a module substrate, a display screen and a display separation frame; the module substrate is fixedly connected with the main frame; the display screen and the display separation frame are fixedly mounted on the module substrate in a sealed manner; the display separation frame is mounted between the display screen and the main frame; the display screen, the display separation frame and the main frame are coordinated to form a cavity; light emitted by the display screen is output through the cavity and the optical lenses; one side, facing the display separation frame, of the main frame is provided with an annular lap joint part; the annular lap joint part is in lap joint with and attaches to the display separation frame in a sealed manner. Due to the fact that the display separation frame is connected with the main frame in a sealed manner and the display separation frame is connected with the display screen in a sealed manner, external dust cannot enter the cavity formed by the display separation frame, the main frame and the display screen, and the problem that the use effect is affected due to the fact that the dust attaches to the display screen or the optical lenses is avoided.

The invention discloses an office table, and belongs to the technical field of office furniture. According to the technical scheme, the office table comprises a tabletop and table legs; the table legsare provided with a first lifting mechanism and a first driving mechanism for driving the first lifting mechanism to move up and down, a displayer height increasing frame is arranged in the middle ofthe upper surface of the tabletop, and the displayer height increasing frame is provided with a second lifting mechanism and a second driving mechanism for driving the second lifting mechanism to move up and down. According to the technical scheme, the office table has the advantages that the office table is convenient to use, the problem that the height of a common office table is fixed and cannot be adjusted is solved, meanwhile, the height of the displayer height increasing frame arranged on the office table can be regulated manually, the phenomenon that injuries are caused to the back andthe neck of a user due to the fact that a displayer is placed at an excessively low or excessively high position is avoided, and the comfortable working environment is provided for the user.

The invention discloses a resin impregnated paper overlaid wood-based plate and a manufacturing method thereof, and belongs to the technical field of architectural ornament. The resin impregnated paper overlaid wood-based plate is mainly composed of a wood-based plate and body paper. The body paper is wrapped on the surface of the wood-based plate, and then the wrapped wood-based plate is subjected to primary resin impregnation, moulding, secondary resin impregnation, first drying, and second drying to obtain the resin impregnated paper overlaid wood-based plate. A cold-in and cold-out technology is adopted and has the following advantages: on one aspect, the hot press technology time is reduced, the production efficiency is improved; on the other aspect, the product surface quality is greatly improved, the saturation degree is increased, the performance will not be affected after the wood-based plate is pressed, the size stability is effectively improved, and the surface scratch resistant performance is enhanced.

The invention discloses an alkaline detergent for fruit and vegetable and a preparation method thereof, and belongs to the technical field of daily chemical products. The alkaline detergent for fruitand vegetable comprises modified sepiolite, carbomer, sodium chloride, a surfactant, sodium bicarbonate, gellan gum and water, wherein the modified sepiolite is prepared by mixing and dispersing sepiolite powder and a magnesium nitrate solution to obtain a dispersing solution, reacting with ammonium hydroxide used as a precipitator, ageing, concentrating in a pressure reduction manner, cooling, filtering, drying and roasting; when preparing the detergent, carbomer, gellan gum and water are mixed; then sodium bicarbonate is added; pH is regulated; finally the modified sepiolite, sodium chlorideand the surfactant are added; and all materials are mixed and filled to obtain the alkaline detergent for fruit and vegetable. According to the technical scheme, the prepared alkaline detergent for fruit and vegetable has the characteristics of being outstanding in sterilizing and inhibiting bacteria, capable of removing pesticide, and obvious in cleaned fruit and vegetable storing stability by being compared with a traditional detergent for fruit and vegetable.