80results about How to "Exemption from cleaning" patented technology

The invention discloses an air projection keyboard which comprises an air screen generator, a projection system, an infrared camera system, a processing system and an indicator lamp. The air projection keyboard operates according to the main principle: the air screen is an air wall formed by transparent or semitransparent gas (such as vapor); the projection system projects a virtual image of a keyboard to the air wall; when fingers operate the virtual keyboard in a virtual image area, the infrared camera system acquires sensed information of infrared radiation change in the area; the processing system receives the sensed information and calculates push content information of the fingers and transmits the information to an external output device. The virtual keyboard is projected to the air screen with no need of any object or plane. The virtual keyboard is available for both sides and has the artistic effect of stereo projection.

The invention provides a novel low-cross-pollution full-automatic biochemical analyzer which includes a reaction disk unit. The reaction disk unit includes a reaction disk, on which a group of detection cups are placed. A non-contacted non-uniform air pressure stirring unit is arranged on the reaction disk and includes an air pressure stirring needle tip and a power supply system, the air pressure stirring needle tip connected to the power supply system through a pipeline. The air pressure stirring unit includes, successively, an air inlet, an air filter, an air pump, an air storage tank, an air flow pressure regulating switch, an air supply pipe and finally the air pressure stirring needle tip. An air heating machine temperature control device is arranged on the lower end of the air storage tank. The analyzer also includes a non-cross-type reagent unit, which comprises a reagent needle moving apparatus, a reagent disk, and a reagent needle bracket. The reagent disk includes a group of reagent bottles. A plurality of reagent needle positions are arranged on the reagent needle bracket. The number of the reagent needle positions on the reagent needle bracket is equal to the number of the reagent bottles, wherein each reagent needle is used for sucking only one corresponding reagent.

The invention discloses a shaddock ped preserved fruit and a preparation method thereof. Fresh shaddock ped is adopted, the outer layer of the fresh shaddock ped is punctured, the fresh shaddock ped is immersed into water to be de-bitterized by virtue of ultrasonic wave, then the fresh shaddock ped is immersed into mixed solution of lower-concentration sugar and edible gum to be subjected to vacuum penetration, and then air pressurizing penetration is carried out, and finally drying, packaging and surface sterilizing are carried out, thus low-sugar shaddock ped preserved fruit finished product is obtained. The invention has the advantages of fast debitterizing speed, uniform penetration, full product appearance, low sugar content, good taste and the like.

The invention discloses a novel water-based rust inhibitor and a preparation method and a use method thereof, belonging to the technical field of metal material corrosion prevention. The rust inhibitor can substitute for antirust oil and grease to prevent rust in the inter-process of metal processing and store and prevent rust of finished products, and also can be used as antirust additive of metal working fluid such as metal cutting fluid, grinding fluid, washing agent and the like, so as to reduce the antirust cost in metal processing and storage and conveying processes. The rust inhibitor is obtained by adopting the following technical scheme: combining 5-15wt% of organic zinc chelate, 5-10wt% of amide-type surfactant and 1-5wt% of water-soluble antirust additive.

The invention discloses a mineral dispersant and a preparation method thereof. The mineral dispersant is an aqueous solution of anionic copolymer, wherein the anionic copolymer is formed by four monomers through free radical polymerization, and neutralized into the mineral dispersant through two different alkaline substances. The mineral dispersant producing process is green and environmentally friendly, the product performance is excellent and stable, the product is easily degraded in the natural world, polydispersity index is lower than 2.2; the mineral dispersant can be used for dispersionof minerals, including mineral grinding dispersion required by industry, water treatment scale dispersion, cement additive and the like.

The invention belongs to the technical field of kitchen appliances and provides an ultrasonic no-clean kitchen ventilator without a pipe. The kitchen ventilator includes a housing 1, a cooking fume filtering device 6, a cooking fume cleaning device 5, a draught fan 2 and the like. An air suction port 3 and a vent port 4 are formed in the housing 1, and when the draught fan 2 is started, cooking fume is sucked in from an air inlet 12, filtered by the cooking fume filtering device 6 and then discharged from the vent port 4. The housing 1 also internally includes the cooking fume cleaning device5 sleeving the cooking fume filtering device 6, and the function of automatically cleaning away the filtered cooking fume can be achieved to maintain the cleanness and cooking fume filtering efficiency of the cooking fume filtering device 6. The invention also provides a cooking fume filtering and removal method adopting the ultrasonic no-clean kitchen ventilator without a pipe, the cooking fume is directly filtered and removed, clean air is discharged, the installation, construction and maintenance costs of traditional kitchen ventilators and pipes are omitted, environmental pollution is notcaused, and the problem of manual cleaning is avoided.

The invention discloses a vanadium pentexide modified nano composite material capable of decomposing oil fume. The material comprises the following components by weight: 80 to 120 g of nanometer anatase titanium dioxide, 10 to 15 g of tungsten trioxide, 20 to 65 g of vanadium pentexide, 500 to 1,000 g of water, and 5 to 20 g of sodium hexametaphosphate. The material can be spread on a range hood to decompose the oil fume into carbon dioxide gas and vapor to volatilize the oil fume without cleaning in any mode and kill other viruses and bacteria in a kitchen to protect the environment.

The invention relates to a square steel forging and pressing process. The square steel forging and pressing process comprises the following steps that (1) a square steel heating curve graph is drawn, the horizontal ordinate of the square steel heating curve graph indicates the heating time, and the vertical coordinate indicates the heating temperature; (2) square steel is heated according to the square steel heating curve graph obtained in the step (1); and (3) upsetting treatment and drawing-out treatment are conducted on the heated square steel. By means of the square steel forging and pressing process, the process accuracy is high, the surface quality of the square steel is good, and a casting process is simple and reliable.

The invention discloses a protective film with a soft bonding surface and a production technique thereof. The protective film comprises a protective film body and a bonding surface attached to the surface of the protective film. The bonding surface comprises the following components in parts by weight: 550 parts of solvent, 21 parts of crosslinking agent, 11 parts of curing agent and 1000 parts of resin. The solvent is a mixture composed of a solvent A and a solvent B with different boiling points, wherein the solvent A is solvent TOL, and the solvent B is solvent MEK or solvent IPA. The crosslinking agent comprises one or mixture of a 7387-type crosslinking agent and a 9250-type crosslinking agent. The resin is a 7650-type resin. The bonding surface of the protective film has the advantages of uniform thickness and high softness; the protective film can be stably attached to the screen, has the self-bleeding effect, and can not generate bubbles; and the bonding surface can not easily peel and can be attached for the second time.

The invention discloses a preparation method for an electronic substrate welding assistant and belongs to the technical field of welding assistants. Aiming at the defects that a large number of halide ions are contained in residues of current electronic substrate welding flux, the electric insulation performance is lowered, and pollution is liable to occur, the preparation method adopts succinic acid and oxalic acid triethanolamine are adopted as core materials, acrylic resin serves as a shell material, and microencapsulation compound active substances are obtained; then rosin of masson pine rosin serves as raw materials to prepare maleopimaric acid polyethylene glycol ester; and finally, the maleopimaric acid polyethylene glycol ester is mixed with the microencapsulation compound active substances, benzotriazole and the like to prepare the electronic substrate welding assistant. According to the preparation method, the microencapsulation compound active substances are prepared, thus the surface activity of the welding assistant is increased, the compatibility between the welding assistant and a welding assistant is enhanced, maleic anhydride and other volatile assistants overcome the defects that the electric insulation performance is lowered due to the fact that too many halide ions are left in residues of traditional welding flux, so that the environment pollution degree is lowered, and wide economic prospects are achieved.

The invention provides a light-transmitting resin type light guide cement material containing a superhydrophobic titanium dioxide thin film, and a preparation method of the light-transmitting resin type light guide cement material. The light-transmitting resin type light guide cement material containing the superhydrophobic titanium dioxide thin film comprises an interface enhanced light-transmitting resin type light guide cement base material and the superhydrophobic titanium dioxide thin film. The preparation method comprises the following steps: evenly coating the surface of a light-transmitting resin unit with a coupling agent, transferring into a mould, adding self-compacted cement mortar, hardening and removing the mould, polishing and grinding to obtain the interface enhanced light-transmitting resin type light guide cement base material; spraying the surface of the interface enhanced light-transmitting resin type light guide cement base material with a nano titanium dioxide photosensitive solution, drying, carrying out twice exposure, then washing the surface of the material with a solvent, and carrying out heat treatment so as to obtain the light-transmitting resin type light guide cement material containing the superhydrophobic titanium dioxide thin film. The light guide cement material prepared by the invention has the effects of light transmitting and developing aswell as lighting and energy saving, and also has functions of draining off water and self-cleaning, thus being capable of being applied to the fields such as building design, underground lighting andindoor devices.

The invention discloses a vehicle-mounted automobile washer nozzle. The vehicle-mounted automobile washer nozzle comprises a metal cylinder in the shape of a circular cone, the tail end of the metal cone is provided with a high-pressure water inlet, a frequency converter and a switch is arranged beside the high-pressure water inlet, the metal cone surface end is a gas-liquid nozzle, and nozzles are evenly distributed on the periphery of the cone surface end; a centrifugal hollow inner tube is embedded inside the middle portion of the cone surface end, the mouth of the tube is tightly sleeved outside a spray distributor, the spray distributor is arranged inside the cone surface end and is 3-5 mm away from the gas-liquid nozzle, and the opening of the tube bottom of the hollow inner tube and a circular cone surface plate form an air chamber; water flow rotating and mixing propulsion pieces are filled between the metal cylinder and a circular cone surface plate. The vehicle-mounted automobile washer nozzle is convenient for an automobile owner to carry, the gas liquid sprayed under high pressure contains micro-nano bubbles and can quickly clean dirty marks adhered to the surface of an automobile; the micro-nano bubbles sprayed by the nozzle can strike and wash pollutant in a multi-aspect mode from different directions and angles to achieve good decontamination effects.

The invention relates to a V-shaped cupped vessel for female and male to urinate. A cup is provided with a narrow side (22) and a circular side (26) and looks like a sliding board from a top opening. The special shape is used for covering the female genital area furthest to avoid that urine overflows when people urinate to the V-shaped cup. The V-shaped cup is provided with two layers. An inner layer (18) is made from foldable plastic. The top of the inner layer is covered with a water-absorbing thin paper collar. A hard casing (28) is made from polystyrene foam plastic or heat insulating paper, so as to increase the grip force between thighs. The inner layer (18) is used for containing excreted liquid. An outer layer (28) is used for setting the shape and holding. Both the inner layer (18) and the outer layer (28) can be discarded after being used. However, in order to reduce the cost and protect the environment, the outer layer (28) can be reserved and is reused by being refilled with a new inner layer (18).

The present invention provides a disposable grill which is formed by treating the surface of a base (2) consisting of aluminum sheet, aluminum foil, or the like with atmospheric plasma to form an ultrafine irregularity of about 10 and then coating the surface with a loess ceramic layer (5) having a predetermined thickness. The disposable grill can be disposed after use and is thus hygienic, does not require washing and the like and is thus easy to use, has a low production cost, and prevents meat from getting scorched and sticking to the grill or getting burned and prevents meat juice from drying up, due to the effect of a large amount of far-infrared rays generated therein, so that a user can enjoy soft and unique flavors of meat (savory taste and odor, etc.).