77results about How to "Anti-leakage" patented technology

A wood protecting agent for flame-retarding and anticorrosion purposes is prepared from dicyanobiammonium phosphate, boric acid, quaternary ammonium salt, alkylphenolether, low-grade alcohol cosolvent, silicone sol, silane coupling agent, water-softening agent and water.

The invention discloses a polyurea-polysiloxane organic-inorganic hybridized concrete biological pollution protection material and a preparation method thereof. The pollution protection material is composed of a surface protection material and a base protection material, wherein the surface protection material is composed of the following raw materials in parts by weight: polyaspartic acid ester modified polysiloxane, modified isocyanate, a biological growth inhibitor, a catalyst, a coupling agent, an anti-ageing agent, a filler and pigment; the base protection material is composed of the following raw materials in parts by weight: modified epoxy resin, an epoxy curing agent, an reactive diluent, a coupling agent, an anti-ageing agent and a filler. The pollution protection material is excellent in biological pollution imitation performance, has the characteristic of low surface energy and can prevent biofouling. Special elements in structure interior of the material can inhibit growth of ocean and fresh water creatures, thereby achieving the aim of preventing biological pollution.

Recombinant virus-like particle contains influenza A virus matrix protein M1, surface film proteins HA and NA and M2eNP fusion protein or protein obtained by modification of mutant of at least one protein and the rest proteins, and the recombinant virus-like particle is non-replicative; wherein the M2eNP fusion protein is polymer formed by one M2e polypeptide or a plurality of M2e polypeptides atthe external end of cell membrane of matrix protein M2 or is formed by fusion of nucleoprotein NP and polymer formed by one M2e polypeptide through artificial modification or a plurality of M2e polypeptides after modification; and the nucleoprotein NP is coupled with recombinant matrix protein M1 after recombination expression and embedded in the recombinant virus-like particle. The vaccine produced by the recombinant virus-like particle can be directly applied to various animals for prevention of infection and spread of influenza A virus. The vaccine is safe in use and obvious in immune effect. Production period is short, technical operation is simple, and no purification is required, thus the vaccine is low in cost.

The invention relates to a ceramic product which is characterized in that raw material components comprise washing kaolin, Changxing white mud, Fujian pottery stone, feldspar and burned talcum, wherein after blending, sodium humate and sodium silicate are added and ball-milled in a cylinder to obtain a grouting blank of the ceramic product, and the ceramic product is obtained by screening iron, molding, biscuiting, glazing and sintering. According to the invention, a reasonable blank formula, and a preparing and sintering process are adopted, the sintered ceramic product has the advantages of high intensity, high compactness, low water absorption, high dimensional accuracy, corrosion resistance, leakage resistance, good heat stability, no deformation, no crack, and smooth and clear glaze, and has no vices such as pinholes, thin glaze and contracted glaze, so that the defective percentage is reduced, the production efficiency is improved, the production cost is decreased, the artistic degree of the appearance of the ceramic product is promoted; and the method is suitable for high-level ceramic products such as high-grade ceramic wine bottles.

The invention discloses a multi-functional diamond disk material conveying machine, and relates to the technical field of designing and manufacturing of conveying machinery. The multi-functional diamond disk material conveying machine consists of a drive assembly, a bracket frame, a rail, a transmission chain, diamond disks, material bearing frames, a chain adjusting assembly, a shaft, a bearing seat, a feed and discharge hopper, a bearing, a band-edge roller, a protective plate, a pin, a positioning component, a wheel fixing component and a base plate, wherein the diamond disks are installedin the mode of completely covering small uplift bodies by large uplift bodies on the connection positions of two adjacent diamond disks; a conveying transmission mode is bearing and roller transmission; each diamond disk consists of a material blocking plate and a material loading panel, the material bearing frames are arranged on the diamond disks, and the material loading panel is provided withthree construction modes. The material conveying machine has the technical characteristics of wear resistance, heat resistance, jamming resistance, can convey material leakage resistance and strong adaptability, powder materials, bag materials, block materials whose particle sizes are less than 300 mm and multiple materials whose temperature is within 500 DEG C, has the minimum conveying capacityof 10 T/h, and the maximum conveying capacity or over 2000 T/h.

The invention discloses a ceramic material, a ceramic heat exchange tube as well as a preparation method and a ceramic reboiler. The ceramic material comprises the following components in percentage by mass: 5-10% of metallic silicon, 60-70% of silicon carbide, 10-15% of silicon dioxide, 10-15% of binding clay and 0.2-1% of lignin. The ceramic heat exchange tube disclosed by the invention has normal temperature compression strength of 35-50MPa, can resist a pressure of 0.7-0.9MPa under the working condition that the temperature is lower than 300 DEG C and heating oil flows in the tube, cannot have a seepage condition, is strong in corrosion resistance, and has good corrosion resistance to high-temperature gases and liquid of hydrochloric acid, sulfuric acid and the like; silicon dioxide is used for forming an enamel layer to seal air holes, thereby solving the problem of seepage of a common SiC material; and the ceramic heat exchange tube has the advantages of high-temperature resistance, quick heat conduction, corrosion resistance and seepage resistance, is durable in various environments, and is long in service life and suitable for popularization and application.

The invention belongs to the technical field of chemical engineering, and relates to technology for preparing rock salt concrete by potassium ore tail salts, tailings and waste salts and applications. The invention is characterized in that the raw materials comprises: 30-85% of rock salts, 2.5-15% of magnesium oxide, 2.0-15% of magnesium chloride, 5.5-15% of water, 5-25% of fillers; the production characteristics of the rock salt concrete are that: (1) the production process is simple, and rock salt concrete slurry can be prepared by proportionally mixing magnesium oxide, a magnesium chloride aqueous solution, fillers, and rock salts; (2) the main raw materials required by the production are various halites, tail salts, waste salts or salt-containing slag generated during mining, and the production has low cost and no pollution; (3) the production is energy-saving and environment-friendly, and facilitates three-waste comprehensive utilization and environment protection; (4) the rock salt concrete can be used for backfill of salt mine gob areas, mine pits or roadways; the rock salt concrete can be used for pouring of various building foundations, salt pan pool plates and dam revetment in salt lake regions.

The invention discloses a method of anti-leak treatment on a petroleum drilling place by adopting a composite geo-membrane, relating to the technical field of adopting composite geotechnical materials to treat leakage of the petroleum drilling place. The method comprises the following steps of firstly, leveling the place; secondly, paving the composite geo-membrane; thirdly, paving a leakage pipeline: arranging the leakage pipeline at a position of easily having leakage; fourthly, paving a lime-ash stabilizing layer: with crushed stones, lime and fly ash as raw materials, paving the lime-ash stabilizing layer on the composite geo-membrane, wherein the lime-ash stabilizing layer comprise the following raw materials in percentage by weight, calculated by occupying the total volume of the raw materials: 8-10 percent of the lime, 10-12 percent of the fly ash and the balance of the crushed stones; and fifthly, paving a crushed stone surface layer: paving a 8-10cm crushed stone surface layer on the lime-ash stabilizing layer. By adopting the invention, waste mud and waste liquid of petroleum can be prevented from polluting the drilling place to enable idle land after drilling to be in second plowing, thereby having the effects of protecting land resources and lowering the land using cost.

The invention discloses a storage space reservation method based on a shared printer and a request receiving device. The method comprises the steps that a pre-printing request sent by a terminal is received; according to information carried in the pre-printing request, a storage space reservation request of the terminal is acquired; according to information carried in the storage space reservationrequest, reserved fetching time when a terminal user fetches a file requested to be printed is acquired; according to the information carried in the storage space reservation request, a storage spaceis allocated to a pre-printing file carried in the pre-printing request; and the pre-printing file is printed, and the printed pre-printing file is stored into the allocated storage space. The devicecomprises a request receiving unit, an information acquisition unit, printing equipment and a storage unit. The method is reasonable, and the device is simple in structure. Through the method and thedevice, automatic storage of the file printed by the user can be realized.

The invention relates to the technical field of ceramics and particularly relates to a flambe furry tiger skin fancy glaze, a ceramic product and a preparation method thereof. The flambe furry tiger skin fancy glaze includes the following raw materials: feldspar, quartz, Suzhou earth, titanium oxide, glass powder, calcite, boron frit, strontium carbonate, nickel oxide, chromium titanium antimony yellow, cerium praseodymium yellow, tin oxide, and neodymium oxide. A biscuited ceramic green body is applied by the flambe furry tiger skin fancy glaze in a soak-glazing manner, and when the glaze is dried, the ceramic green body is subjected to glaze firing. The prepared glaze slurry has good process performances and allows glaze application in a one-time soak-glazing manner. The fired glaze surface has good quality. A fired bottle has a smooth and flat surface and has no defects.

The invention relates to a preparation method and application of a carbon-coated nano copper-zinc-aluminum catalyst. The method comprises the following steps: mixing a carbon-based material with a metal compound, adding ethanol, and stirring to obtain slurry; drying for 20-28 hours to obtain a precursor of a carbon-coated material; heating at 200-700 DEG C to obtain a carbonized compound; and thenadding the carbonized compound to concentrated hydrochloric acid to obtain an activated carbonization compound; and calcining under nitrogen protection to obtain a carbon-coated nano copper-based catalyst. The preparation method is used for preparing neopentyl glycol by hydrogenating hydroxypivalaldehyde, and has the advantages of high activity and loss resistance.

The invention provides an anti-ionizing radiation container. The container includes an end cap and a container body, and the end cap is used for sealing the container body; and the container body includes a bottom wall and side walls fixedly connected with the bottom wall, the bottom wall and the side walls respectively comprise laminated plate bodies, each laminated plate body comprises an innerwall, a middle structure and an outer wall which are sequentially arranged from the interior to the exterior in an overlaid manner, the inner wall is a first fibrous resin material layer, the middle structure comprises second fibrous resin material layers and a metal layer alternately arranged from the interior to the exterior in an overlaid manner, and the outer wall is a third fibrous resin material layer. The invention also discloses a preparation method of the anti-ionizing radiation container.

The invention relates to a preparation method of a tea-yellow gold-star furnace-transmutation matte black ceramic container. The preparation method comprises the following steps: blank preparation, biscuiting, glaze preparation, glazing, glaze firing and examination. A glaze surface of the matte black ceramic container is special in color and texture, the performance of a blank is stable, the quality of the finished product is good, and the matte black ceramic container is integrally environment-friendly and safe.

The invention discloses a method for encrypting a USB flash disk with fingerprint authentication. The USB flash disk is encrypted in a partition mode, namely the USB flash disk is divided into two drives, and a user can select one drive for use according to needs; the current up-to-date symmetric cryptographic algorithm is adopted, is higher in safety level compared with other encrypted USB flash disks and meets the current national conditions; an encryption key is canceled, a secret key is generated from fingerprints, and a file is encrypted or decrypted through the secret key generated from the fingerprints. The secret key is generated from extracted fingerprint characteristic values through a pseudo-random number generation algorithm, in this way, only the fingerprint characteristic values need to be stored, storage space needing to be occupied is reduced, information quantity is reduced, the possibility of effective information disclosure is reduced, fingerprint authentication and the encryption and decryption processes are combined, safety of an overall system is improved, the user can use the USB flash disk conveniently, and the trouble that the user forgets a common command is saved. The file encrypting operation is based on the homemade symmetric cryptographic algorithm, and the independent and controllable requirements for information safety products by China are met.

The invention mainly discloses a light-controlled thermostatic integrator. The integrator, an optical sensor, a water level sensor, a temperature sensor, a workpiece display panel, a bidirectional circulating pump, an electric heating bar, and an inner water tank, a plurality of control valves, a plurality of one-way valves, a filter valve, an exhaust port, multiple access pipeline ports, an automatic booster pipeline and the like serving as accessories form the whole running system, wherein the sensors correspond to the integrator. The external rays are detected through the optical sensor, and automatic control and operation of the whole system are finished by the integrator through detection of each sensor according to programming. The integrator has the characteristics of capabilities of allowing a solar water heater to synchronize with light and keeping constant temperature duly by adopting electric heating, strong practicability, high automation degree and the like.

The invention relates to a preparation method of a brownish red scattered silky texture three-dimensional cream-colored glaze ceramic container. The preparation method comprises the steps of blank preparation, biscuit firing, coffee particle preparation, glaze preparation, glazing, glaze firing and inspection. The color luster and texture of the glaze surface are unique; the blank performance is stable; the finished product quality is high; the whole achieves the environment-friendly and safe effects.

The invention discloses a roof anti-leakage treatment method. The method comprises the following steps of step A, forming a gas barrier layer on a roof surface; step B, installing an exhaust pipe on the gas barrier layer, and forming a vent hole communicated with the exhaust pipe in the gas barrier layer; step C, applying a waterproof coating on polyester fiberglass cloth and curing to form a bottom waterproof layer; step D, forming a surface waterproof layer in the outer side of the bottom waterproof layer; E, forming a ventilation groove in a parapet, wherein the ventilation groove is communicated to the gap formed between the gas barrier layer and the roof; step F, closing an opening of the ventilation groove. The roof anti-leakage treatment method can effectively prevent leakage, do not need to cut off original functional layers of the roof, and directly conduct construction on the current roof, thereby ensuring noise-free construction and avoiding building waste generated by roofcutting, the waterproof effect is more reliable, the construction process is environmentally friendly, and the overall cost is lower.

The invention relates to the technical field of wood modification, and particularly relates to a wood modifying agent with surface activity as well as a preparation method and application thereof. Thewood modifying agent with the surface activity is of a structure as shown in a formula I as shown in the specification. The wood modifying agent with the surface activity comprises flame retarding nitrogen and sulphur, a hydrophobic fat chain and a hydrophilic carboxyl, so that the hydrophily of the wood is reduced, and the shortages of low hydrophobic function and easy loss of the modifying agent are overcome; the modifying agent has the advantages of being high in flame retarding efficiency, good in smoke inhibiting effect, high in hydrophobic performance and resistant to loss, and is a multifunctional wood flame retarding agent. Additionally, the use performance and the color of the wood are not influenced after the wood modifying agent with surface activity is added to the wood. The invention also provides the preparation method of the wood modifying agent with the surface activity; the synthesis processes is simple and convenient, raw materials are easy to obtain, and the methodis easy to popularize.

The invention relates to a three-dimensional matte orange-red frosted black glaze ceramic container, which comprises a black base glaze material, wherein the black base glaze material comprises the following components in parts by weight: 32-35 parts of feldspar, 8-10 parts of quartz, 6-8 parts of Suzhou clay, 11-13 parts of calcined talc, 8-10 parts of glass powder, 5-7 parts of dolomite and 9-11parts of melanin; and a matte orange-red surface glaze which is prepared from the following components in parts by weight: 53 to 56 parts of purple sand clinker powder, 12 to 14 parts of feldspar, 8to 10 parts of regosols, 5 to 7 parts of Suzhou soil, 17 to 19 parts of spodumene, 6 to 8 parts of ferrozirconium red pigment and 5 to 7 parts of dolomite. The preparation method comprises the following steps: (1) blank preparation, (2) biscuiting, (3) glaze preparation, (4) glazing, (5) glaze firing and (6) inspection. The sintered glaze is good in quality, unique in color tone, strong in artistic stereoscopic impression, smooth and flat in surface of a bottle body, free of defects, good in finished product quality, energy-saving and environment-friendly on the whole.

The invention discloses a positive-pressure anti-seep intelligent split door and window purification and isolation device comprising an exhaling machine and an inhaling machine; the exhaling machine comprises an exhaling machine shell mounted at a building opening, an exhaling machine silencing cross flow fan is mounted in the exhaling machine shell, an exhaling machine air inlet and an exhaling machine air outlet are formed in the exhaling machine shell, and the exhaling machine air outlet is provided with a first electric air deflector and is arranged towards the building opening; and the inhaling machine comprises an inhaling machine shell mounted at the building opening, an inhaling machine air inlet and an inhaling machine air outlet are formed in the inhaling machine shell, the inhaling machine air inlet is arranged towards the building opening, the inhaling machine air outlet is provided with a second electric air deflector connected with an inhaling machine driving device, and the inhaling machine shell located between the inhaling machine air inlet and the inhaling machine air outlet is internally provided with at least one group of inhaled air filtering device and an inhaling machine silencing cross flow fan. By using the device, outdoor air seeped by the building opening and outdoor air entering when the opening is opened are purified.

The invention relates to a drive system for protecting information through a mouse, which uses a special mouse to convey mouse movement signal to computer operating system linked to mouse and identify mouse VID signal.When leaving computer, users operates mouse press key, roller movement, speical keys or program seletion to rapidly and temporarily interrupt mouse function or computer interface partial function, then, original function will be recovered after confirming mouse movement or keying in right dissolution code.