38results about How to "High volume resistance" patented technology

A sputtering target which is composed of a sintered body of an oxide containing indium, tin and zinc as main components; the atomic ratio of In/(In+Sn+Zn) being 0.10 to 0.35; the atomic ratio of Sn/(In+Sn+Zn) being 0.15 to 0.35; and the atomic ratio of Zn/(In+Sn+Zn) being 0.50 to 0.70; and containing a hexagonal layered compound shown by In₂O₃(ZnO)_m, wherein m is an integer of 3 to 9, and a spinel structure compound shown by Zn₂SnO₄.

The invention discloses a polyolefin packing material for a solar cell assembly. The polyolefin packing material is composed of following raw materials by weight: 90%-97% of modified polyolefin, 0%-5% of cross-linking agents, 0.5%-3% of silane coupling agents, 0.1%-0.4% of antioxidants, 0.1%-0.3% of ultraviolet absorbers and 0.5%-0.15% of ultraviolet light stabilizers. The raw materials of the polyolefin packing material are easy to obtain. The polyolefin packing material is low in cost, moderate in melt index, high in volume resistance and good in physical property.

The invention provides an anti-deviation friction disc made of an ultra-high molecular weight polyethylene material and a preparation method thereof. The ultra-high molecular weight polyethylene material used by the anti-deviation friction disc comprises the following compositions by weight portion: 50 to 150 portions of ultra-high molecular weight polyethylene, 2 to 6 portions of tissuemat E, 1 to 3 portions of graphite, 5 to 15 portions of glass hollow microbeads, 2.5 to 7.5 portions of a flame retardant, 0.3 to 1.9 portions of a coupling agent, 0.1 to 0.5 portions of a nucleating agent and 0.5 to 3.2 portions of an antioxidizer. The preparation method comprises the following steps of batching, mixing, heating, hydraulic pressing, cooling, demolding and forming. The material has high wearing resistance, good self-lubricity, super shock strength, good fire resistance, super inadhesion, age resistance and corrosion resistance, and is mainly applied to the manufacture of the friction aligning idler anti-deviation friction disc.

Cyclo-olefin copolymer resin is contained as a binder resin, and concentration of a charge controlling agent on the surface of the toner is not less than 0.1 mg/toner 1 g, and less than 1.0 mg/toner 1 g. Furthermore, the toner is held on a non-magnetic sleeve, an electric field is applied between a photoreceptor and the sleeve, and the toner jumps to an electrostatic latent image on the surface of the photoreceptor. In this way, a toner for electrophotography in which image contamination is prevented and deterioration of image density caused by deterioration of jumping property is prevented by maintaining an appropriate amount of charge even in the non-contact developing method using the toner containing cyclo-olefin copolymer resin as a binder resin, can be provided.

The invention discloses a substation equipment dispatching monitoring system and method. The system includes a substation dispatching service center which communicates with a remote management and control system, a station environment detection device, a fault recording monitoring module, a remote control module, a fault monitoring module and a power grid dispatching alarming and monitoring modulethrough communication cables. The beneficial effect is as follows: the substation automation system is automatically inspected through the remote management and control system, so that the work efficiency of substation automation equipment abnormality and power system fault analyzing and processing is improved, and complete and real-time collection of fault data is realized.

A toner comprising a toner particle including a resin component, wherein the resin component includes an olefin copolymer including ester group having specific structures Y1 and Y2 and an olefin copolymer including acid group having an acid value of from 50 mg KOH/g to 300 mg KOH/g, the amount of the olefin copolymer including ester group is 50% by mass or more, the toner particle has a surface layer including the olefin copolymer including acid group which has formed a salt with a metal, the metal is at least one metal selected from the group consisting of Mg, Ca, Sr, Al, and Zn, and the total amount of the metal in the toner is from 25 ppm to 500 ppm.

The invention discloses an antiknock enamel static power and a preparation method thereof. The method comprises the following steps: preparing the following raw materials by weight percent: 91-95% of titanium/barium-containing enamel ceramic glaze, 1-3% of enamel pigment, 4-6% of quartz powder, 0.1-0.12% of silane/siloxane concentrated oil and 0.13-0.15% of polymethyldiphenylsiloxane, wherein isocaprylic acid is 7-7.5% silane/siloxane concentrated oil; putting the titanium/barium-containing enamel ceramic glaze, enamel pigment, quartz powder, silane/siloxane concentrated oil and isocaprylic acid into a dry ball mill for grinding, till the ground powder particle D50 is 40-45um; adding polymethyldiphenylsiloxane into the mixed powder and grinding till D50 is 16-18um; putting the acquired material into a heating stirrer at 120 DEG C, stirring and fully homogenizing the organic matter on the powder surface; sieving the powder with 200-mesh sieve, thereby acquiring the product. After the antiknock enamel static power provided by the invention is coated on an enameled pressed steel with porcelain exploding trend and is sintered, the enamelware is free from fish-scaling.

The invention discloses a high-strength aramid-paper sandwich composite structure. The high-strength aramid-paper sandwich composite structure comprises a polyester thin film, aramid-paper honeycomb cores arranged at the two sides of the polyester thin film, and resin fiber layers arranged at the outer sides of the aramid-paper honeycomb cores, wherein the polyester thin film is laminated with thearamid-paper honeycomb cores by an adhesive. The high-strength aramid-paper sandwich composite structure disclosed by the invention has the characteristics of high strength and durability.

The technical essentials of an insulation and warming masterbatch for a plastic greenhouse membrane provided by the invention are as below: 1, a kaolin powder processing technology: the kinetic energy of fins of a high-speed mixer breaks agglomerated particles of a superfine powder, and stearic acid mixed with the powder melts with the friction heat of powder to a molten state, and then coats the powder; 2, pre-modified material manufacturing technology: a formula comprises 70% of kaolin (1250 mesh), 3% of stearic acid, 14% of polyethylene wax, 10% of an LDPE1F7B (melt index of 7) and 3% of an ethylene acrylic acid copolymer; kaolin and stearic acid are added into the high-speed mixer and subjected to high speed mixing for 15 min to complete the first step of powder treatment; and then all the ingredients are added into the high-speed mixer and subjected to high speed mixing until the process released heat melts the polyethylene wax and coats the powder, so as to complete the pre-modified material manufacturing technology; and 3, kaolin masterbatch manufacturing: mechanical heating and granulation by using a twin screw granulator are carried out; and hot cutting granulation and stay water-cooling granulation are both applicable.

A method of manufacturing a semiconductor light emitting device includes: forming an active layer of an aluminum gallium nitride (AlGaN)-based semiconductor material on an n-type clad layer of an n-type AlGaN-based semiconductor material; forming a p-type semiconductor layer on the active layer; dry-etching portions of the p-type semiconductor layer, the active layer, and the n-type clad layer so as to expose a partial region of the n-type clad layer; causing nitrogen atoms (N) to react with the partial region of the n-type clad layer exposed; and forming an n-side electrode on the partial region of the n-type clad layer that the nitrogen atoms are caused to react with.

The invention relates to a novel mounting ceramic product and a preparation method thereof; natural minerals are employed to be main raw material; weight percentage composition of a blank body formula is listed below: 76-78% of burning clay, 8-9% of barium carbonate, 6% of burning talcum, and 8-9% of alumina; compounding, dry method ball milling, screening, granulation, dry-pressing moulding, and burning are carried out to obtain the product; sintering temperature is 1280-1320 DEG C; finish time is 4-8 hours; temperature insulation time is 1 hour; the mounting ceramic is good in thermal conductivity, high in mechanical strength, low in dielectric constant, high in volume resistance, not only saves ceramic raw material in shortage, but also complies with national energy saving and emission reduction policy, thereby having wide application prospect.