57results about How to "Inexpensive and easy to obtain" patented technology

A system and method of converting the content of a regular whiteboard into an electronic document. This system and method provides an effective, economical and easy to use way to convert whiteboard content as an enhanced and easily editable electronic document though the use of a still or video camera. It uses a series of image processing steps to clip borders, rectify the whiteboard image and correct colors.

The invention discloses a super-hydrophobic water fluorine silicone/acrylic paint containing nanoparticles. The paint is prepared by mixing the compositions by weight percentage: 30 to 65 percent of water, 10 to 40 percent of silicone-acrylate emulsion, 10 to 40 percent of water fluoro-polymer emulsion, 1 to 10 percent of nano-meter oxid particles, 1 to 15 percent of inorganic hole compound and a small quantity of inorganic acid used for adjusting the pH value. The invention also discloses a super-hydrophobic water fluorine silicone/acrylic coating prepared by the paint. The water static wrapping angle of the coating is more than 150 degrees and a rolling angle is lower than 5 degrees. The coating prepared by the paint has the advantages of super-hydrophobicity, excellent mechanical property and easy process, etc. and has the self-cleaning function similar to a lotus leaf.

The invention relates to a preparation method of a silicon dioxide graft graphene oxide/rubber composite material, which comprises the following steps: by using natural rubber as a main material and superhigh-wear-resistance carbon black, high-dispersity silica white, silica white dispersing agent, silicon dioxide graft graphene oxide nanoparticles, silane coupling agent, heat stabilizer HS-80 and anti-reversion agent WK-901 as auxiliary materials, mixing according to certain parts by weight, compounding with a Banbury mixer to prepare compounded rubber, and extruding the compounded rubber with an extruder to prepare the semifinished product rubber. The composite material blended from the silicon dioxide graft graphene oxide and natural rubber has the characteristics of low heat generation, high tensile strength, high tearing strength, favorable abrasion resistance, favorable heat stability and the like. When being applied to aircraft tire tread rubber, compared with the traditional tread rubber, the rubber has the advantages of higher use safety and longer service life.

A phase retarder film is provided wherein at least one oblique evaporation layer comprising an inorganic dielectric mainly containing TiO2 is formed on at least one surface of a transparent polymer film with an intermediate layer between, the evaporation layer having positive refractive index anisotropy and a principal optic axis tilted 20 degrees to 70 degrees from a normal direction to said transparent polymer film. The phase retarder film is suitable for improving viewing angle characteristics of the TN-LCD.

The present invention provides methods and materials for isolating, purifying, and/or enriching the concentration of compounds having one or more phosphate groups and/or derivatives thereof, including but not limited to phosphorylated peptides and/or phosphorylated proteins. In some aspects, the present invention provides nanostructured enrichment materials, such as metal oxide mesoporous materials, that selectively and reversibly bind with phosphorylated compounds with high specificity and are capable of controlled release of phosphorylated compounds bound to their active surfaces. Mesoporous materials of the present invention also provide enrichment materials having large active surface areas that provide for higher loading capacities for phosphorylated peptides and proteins relative to conventional affinity based methods. Nanostructured metal oxide mesoporous enrichment materials of the present invention are also compatible with implementation via a variety of separation platforms including flow through separation systems, elution based separation systems, column chromatography and affinity chromatography.

This invention relates to a fabricating method of a plastic substrate adapted to improve the stability of a display device fabrication process. The fabrication process utilizes the plastic substrate, which is inexpensive and easy to obtain. A fabricating method according to an embodiment of the present invention includes providing a plastic substrate; spreading an organic film on the plastic substrate; and applying heat to the plastic substrate over which the organic film is spread to conduct heat to the plastic substrate and to harden the organic film at the same time.

The invention relates to the technical field of panel manufacturing, in particular to a preparing method of an environment-friendly antibacterial and mildew-proof composite fiber panel. The method includes the steps of preparing basic fiber, preparing enhancing fiber, preparing a binder, preparing a flame-retardant enhancer, preparing a curing agent, mixing the materials and preparing the panel. By means of the method, wastes are recycled, and the prepared panel is environmentally friendly, high in mechanical strength, excellent in mildew-proof and flame-retardant performance, free of harmfulgas releasing, controllable in production process, free of toxin and harm and suitable for batch production and has high practical value and good application prospects.

The invention relates to the technical field of board manufacturing, in particular to a preparing method of mould-proof environment-friendly artificial boards. The preparing method comprises the stepsof preparing basic fibers, preparing reinforced fibers, preparing adhesives, preparing a flame-retardant enhancer, preparing a curing agent, mixing the materials and preparing the boards. By means ofthe preparing method of the boards, waste is recycled and environment friendliness is achieved; and the prepared boards have good mechanical strength, excellent mould-proof and flame-retardant properties, free of emission of harmful gas, controllable in the production process, nontoxic and harmless, area suitable for batch production and have high practical value and good application prospects.

The invention belongs to the technical field of L-lyxose preparation, and relates in particular to a preparation process for L-lyxose. The preparation process comprises the following steps: synthesisofzing 1-methyl-D-ribose, synthesis of 2,3-propylidene-methyl-D-ribose, synthesis of 2,3-propylidene-methylsulfonyl-mthyl-D-ribose, and synthesis of 2,3-propylidene-methyl-L-lyxose and L-lyxose. Thepreparation process for the L-lyxose takes D-ribose as the raw material, and is used for synthesizing L-lyxose by methyl conversion, propylidene conversion, protective group (methylsulfonyl) conversion, and conversion de-protection, so that L-lyxose is prepared through D to L conversion and methyl and propylidene desorption. The whole preparation process is high in catalysisconversion efficiency,is relatively simple in process, adopts cheap and easily available raw materials, is simple and convenient to operate, and is safe; and the obtained product is high in purity.

To easily and inexpensively provide a window of an aircraft having sufficient electromagnetic shielding performance and environment-resistant sealing performance, an aircraft, and an assembly method for a window of an aircraft. A conductive seal member 60 is sandwiched between a conductive film 41 and an outer retainer 22. In the conductive seal member 60, thin wire-like materials 62 made of a conductive material such as aluminum are embedded in a seal member body 61 made of a material, such as silicone rubber, having an electric insulating property, waterproofness and pliability. An electromagnetic shielding effect, and environment-resistant sealing properties such as an electric insulating property and waterproofness can be both ensured by the conductive seal member 60.

The system comprises pressing means provided with a power actuator (1) associated with a pusher (11) and an anvil (12), the one opposing to the other, for pressing empty capsules (C) and containers and their transformation into a disk (D) and means for die-cutting the disk (D), which comprise a punch (21) and a matrix (22) connected by guiding means. The punch (21) and the matrix (22) are placeable between the pusher (11) and the anvil (12) for die-cutting the disk (D), thus forming the figure (F). The forming method comprising the steps of: —crushing the empty capsule (C) or container to obtain a disc (D) and, —die-cutting the disk (D) into a figure (F).

The heat radiation from a glass to the space inside can be prevented by adding 0.001 to 10% by weight of a silane coupling agent represented by the following general formula (I) (wherein X is a group reactive or compatible with organic materials. R₁, R₂, and R₃ are, each independently, OH or a group capable of generating a silanol upon hydrolysis and they may be same or different each other) to deionized water having a total anion content of 700 mg CaCO₃/L or lower to prepare a water-based heat-radiation-preventive coating material for glasses, by applying said coating material on one side of a glass substrate to form a heat-radiation-preventive coating film and by disposing the coated glass substrate so that the coating film side faces the space inside. Therefore, the present invention provides a water-based heat-radiation-preventive coating material for glasses which enables a heat-radiation-preventive coating film excellent in adhesion to glasses and in durability to be evenly and easily formed, a heat-radiation-preventive glass having such coating film and a method of preventing heat radiation from a glass.

An apparatus provides precision measurement of voltage drop across a semiconductor switching element of a subsea device. The apparatus includes (a) a first circuit path having a first protective element, a first impedance element and a voltage source, wherein the first circuit path is configured to be connected between the first terminal and the second terminal of the semiconductor switching element, (b) a second circuit path formed between a first output terminal and a second output terminal, the second circuit path having a second protective element and a second impedance element, wherein the second protective element is identical to the first protective element, and wherein the second impedance element is identical to the first impedance element, and (c) a regulating circuit configured to regulating the current in the second circuit path such that said current in the second circuit path is equal to the current in the first circuit path, wherein the voltage drop between the first terminal and the second terminal of the semiconductor switching element equals the difference between the voltage provided by the voltage source and the voltage drop between the first output terminal and the second output terminal.

The invention relates to the technical field of board manufacturing, in particular to a preparation process of pressure resisting composite boards. The process comprises the steps of preparation of basic fibers, preparation of enhanced fibers, preparation of binders, preparation of inflaming retarding reinforcing agents, preparation of curing agents, material mixing and board preparation. According to the board preparation method, waste is recycled, the process is environmentally friendly, the prepared boards are good in mechanical strength and have excellent mould proof and inflaming retarding properties, no harmful gas is released, the production process is controllable, and the boards are free of poison and harm, are suitable for volume production and have great practical value and goodapplication prospects.

The invention discloses a preparation method of a conductive composite glass fiber yarn. The conductive composite glass fiber yarn is prepared by pyrophyllite, kaolin, quartz sand, mirabilite, borax,dolomite, graphite oxide, N,N-dimethylformamide, hydriodic acid, acetic acid, calcium hydroxide, ferrous sulfate, hydroxypropyl methyl celluloses and other raw materials. The preparation method disclosed by the invention has the benefits that the glass fiber yarn is prepared by melting and wire-drawing the pyrophyllite, the kaolin, the quartz sand and the other raw materials; the negatively-charged graphite oxide coats the glass fiber surface under the action of electrostatic adsorption; subsequently, the graphite oxide coating the glass fiber surface is reduced by adopting the hydroiodic acidto obtain a graphite-coated glass fiber composite conductive material; finally, the obtained glass fiber yarn has excellent compressive strength, flexural strength and ideal electrical conductivity and has a wide application prospect as a conductive fabric resistant to electromagnetic radiation; meanwhile, the preparation process is simple and easy to implement, the raw materials are cheap and easy to obtain, and the demands of people on the functionality of the glass fiber yarn are met.

The invention relates to the technical field of board manufacturing, in particular to a preparation method of a fireproof and flame-retardant density board. The preparation method includes the steps of preparation of basic fibers, preparation of reinforced fibers, preparation of an adhesive, preparation of a flame-retardant enhancer, preparation of a curing agent, material mixing and board preparation. According to the preparation method of the board, waste is recycled, environmental friendliness is achieved, the prepared board has good mechanical strength and excellent mould-proof and flame-retardant performance, no harmful gas is released, the production process is controllable, no toxins or harm is caused, and the board is suitable for volume production and has high practical value andgood application prospects.

The invention provides a special-effect external emulsion for treating burns due to hot-liquid or fire. The special-effect external emulsion comprises the following raw materials in percentage by weight: 60-80 percent of calcium oxide (CaO), 1.5-2 percent of kapur, 0.5-1 percent of cinnabar artificial and 10-20 percent of linseed oil. The preparation method comprises the following steps: adding about 65 percent by volume of clean water in an evase ceramic container; gradually adding and immersing the CaO in the clean water for curing until the water does not spill over the container mouth when the water surface is 200mm over the CaO; standing for more than or equal to 24 hours to obtain the upper CaO pure clean solution; uniformly mixing 1.5-2 percent of kapur and 0.5-1 percent of cinnabar artificial according to the proportion in the pure clean solution, stirring and dissolving; gradually adding the linseed oil, and stirring to obtain the emulsion, namely the finished product. The special-effect external emulsion has the advantages of low raw material cost, easily available raw materials, simple preparation, light pain feeling, quick astringing and tissue generation, good anti-inflammation and antibacteria and hardly scar remaining, and is convenient to use.