60results about How to "Reduce increment" patented technology

A method of inserting dummy patterns includes providing a window area comprising a main pattern. The main pattern includes first patterns of a first type of features, and second patterns of a second type of features. The first and the second types are different types. The method further includes globally inserting first dummy patterns throughout the window area, wherein the first dummy patterns are dummy patterns of the first type of features; enlarging the main pattern to generate an enlarged main pattern, wherein the enlarged main pattern occupies an enlarged region of the window area; removing the portion of the first dummy patterns in the enlarged region from the first dummy patterns to generate first inversed dummy patterns; and combining the first patterns in the main pattern with the first inversed dummy patterns to generate first mask patterns for the first type of features.

A gate line driving circuit includes a shift register for gradation display, which shifts a first start signal in response to a first clock signal such that the gate lines are selected for gradation display in one vertical scanning period, and a shift register for black insertion, which shifts a second start signal in response to a second clock signal synchronous with the first clock signal such that the gate lines are selected for black insertion in a period substantially equal to the vertical scanning period, and an output circuit that outputs, under control of a first output enable signal, a driving signal to the gate line selected by the shift register for gradation display, and outputs, under control of a second output enable signal, a driving signal to the gate line selected by the shift register for black insertion.

A structure of a p-electrode formed at the light-emerging side of an LED that comprises (a) an n-type semiconductor substrate, (b) an n-type cladding layer, an active layer, a p-type cladding layer, and a p-type contact layer formed on the substrate in this order, and (c) an n-electrode formed on the back face of the substrate. The structure of the p-electrode comprises a mesh-shaped semi-transparent thin-film metal electrode for diffusing electric current formed on the p-type contact layer and a bonding electrode for wire bonding. The metal electrode comprises a covering portion having a transmittance of at least 10% and an opening portion having an opening ratio of at least 20%. The bonding electrode is formed at the periphery of the p-type contact layer and is bonded directly to the mesh-shaped semi-transparent thin-film metal electrode. This structure can increase the intensity of the output light emerging from the p-side.

The invention relates to a sintered flux for stainless steel surfacing with band electrode. One technical scheme of the sintered flux for stainless steel surfacing with band electrode includes that the sintered flux is formed by sintering the following components and the proportioned raw materials or materials, including 15-30 parts of CaF2, 20-50 parts of MgO, 1-10 parts of Al2O3, 15-30 parts of CaO, 25-50 parts of SiO2, and 1-5 parts of alloy powder. The another technical scheme includes that the sintered flux for stainless steel surfacing with band electrode comprises the following components and the proportioned raw materials or materials including 60-80 parts of CaF2,20-40 parts of Al2O3, 1-5 parts of CaO, 1-5 parts of SiO2, and 1-5 parts of alloy powder. The sintered flux has excellent performance and can meet the service requirements completely.

The invention relates to a gasoline detergent which can reduce deposited matters in the firebox of the gasoline motor. The detergent includes a high-surfactivity polyisobutene amine, a kind of polyether carrier liquid with excellent oil solubility, and cosolvent, antioxidant, anti-rust agent, preservative, and demulsifier thereof. The weigh percentages of the above components are that polyisobutene amine is 15-30 percent; polyether carrier liquid is 30-45 percent; and cosolvent and other functional agents are 30-50 percent. When 400-600ppm dosage of the detergent of the invention is added into the commercial car gasoline, not only the oil nozzle and the air inlet valve in the fuel gas inlet system of the motor of the car can be inhibited and cleaned, but also the deposited matters in the firebox of the gasoline motor can be obviously reduced. The increment of deposited matters of the car gasoline using the detergent of the invention in the firebox can be 50 percent above less than the increment of deposited matters of the car gasoline containing the detergent on the market in the firebox.

The present invention relates to a load-frequency control method of a multi-domain time-lag electric power system with high wind energy permeability. The method comprises the following steps: S1, establishing a time-lag electric power system with multiple domains, and establishing the mathematics model of each generation system; S2, establishing state models with uncertain items corresponding to each domain according to the mathematics model of a generator; S3, designing an integration type sliding mode surface [Sigma]I (t) according to the state models with uncertain items; S4, designing the sliding mode load frequency controller according to the integration type sliding mode surface [Sigma]I (t); and S5, taking a controller ui(t) obtained in the step S4 as a controlling instruction, and optimizing the load frequency offset of the electric system. Compared with the prior art, a wind driven generator participates the regulation of the system frequency to tightly cooperate the wind power generation with the traditional fire power generation, and the increment of the output power of each generator is evenly reduced to ensure the power supply and demand balance of each area and effectively reduce the frequency offset of each area.

A drive control apparatus controls a drive of an inductive load having a current flowing therethrough. The drive control apparatus includes a drive control device for controlling a variation of the current flowing through the inductive load within a certain period by Pulse Width Modulation control so as to come close to a reference current value, and a reference value control device for controlling a fluctuation period of the reference current value and making the fluctuation period of the reference current value longer than that of the current flowing through the inductive load by the Pulse Width Modulation control.

The invention relates to a gasoline detergent prepared by using fatty amine polyoxypropylene ether expressed as a structural formula (I), wherein R is alkyl of C10 to C20; and p+d is a natural number of 12 to 31. The gasoline detergent prepared by using the fatty amine polyoxypropylene ether as a main component is used in gasoline and can obviously reduce the generation of sediments of a fuel air inlet system of a gasoline engine.

The invention relates to sintered flux for nickel strip electrode electro-slag welding. The sintered flux for the nickel strip electrode electro-slag welding is characterized in that the intered flux is prepared from dry powder components and binder water glass; the dry powder components comprise, by mass, 45-75% of CaF2, 15-35% of Al2O3, 1-5% of SiO2, 1-5% of CaO, 1-5% of MgO, 1-10% of sodium fluoroaluminate, 1-5% of rare earth fluoride and 1-5% of ferroniobium alloy powder; the ratio of potassium to sodium of the binder water glass is 1 to 1, the molar ratio is 2.2-3.5, the baume degree at room temperature is 38-50, and the dosage is 15-25% of the weight of the dry powder. The sintered flux can be used through being matched with various nickel base welding strip such as EQNiCrMo-3 and EQNiCr-3, when strip electrode electro-slag surfacing is conducted through matching with the nickel base welding strip, stable electro-slag process and welding technological property can be maintained at the quick welding condition of 250 mm/min, the quality of formation of surfacing layers is good, defects do not exist in lap joint, and various indexes of the surfacing layers can meet usage requirements of users.

The invention relates to a submerged arc sintered flux for stainless steel at the low temperature. The submerged arc sintered flux is prepared from dry powder with various components and binder sodiumsilicate and is characterized in that the dry powder is prepared from, by weight, 15-30 parts of fluorite, 15-30 parts of white corundum, 20-35 parts of magnesia, 10-25 parts of wollastonite and 1-5parts of alloy powder. The flux is prepared by a method comprising the following steps that dry powder materials are evenly mixed according to the matching ratios, sodium silicate is added, wet mixingis carried out, then granulation is carried out, the granules are dried at the low temperature of 200-330 DEG C for 30-50 min, screened, sintered at the high temperature of 700-800 DEG C for 45-60 min, cooled and screened, and therefore the submerged arc sintered flux is obtained. The submerged arc sintered flux has the excellent effects shown in the description.

An advanced treatment recovery technology of coking wastewater comprises the steps of sequentially implemented air floatation oil removal pretreatment, acidifying treatment, denitrification treatment and biodegradation treatment, and also comprises the following steps: 1, processing biodegraded wastewater by using an inorganic membrane filtering device, reusing parts of the obtained membrane filtrate as mineral separation process water, and allowing the residual membrane filtrate to enter a pollution resistant reverse osmosis membrane device to carry out desalination treatment; and 2, pumping the membrane filtrate obtained in step 1 into the pollution resistant reverse osmosis membrane device to carry out desalination treatment in order to remove COD, NH3-N and inorganic salts in water, and directly reusing the obtained membrane permeation liquid as circulating cooling water. The technology adopting an inorganic membrane to carry out the reverse osmosis pretreatment can solve the problems of no pollution resistance and unlikely dirt obstruction of an ultrafilter membrane, and no flocculating agent or a small amount of the flocculating agent is added by adopting inorganic membrane feeding, so the reverse osmosis pollution degree is reduced, thereby the cleaning period of the RO (reverse osmosis) membrane is prolonged, the cleaning effect is good, and the irreversible dirt obstruction of the RO membrane is avoided.

A nut for a ball screw mainly includes a nut, multiple dual-narrowed paths, multiple micro fans, a control portion, and multiple temperature sensing portions. The nut has a threaded path and the dual-narrowed paths are defined through the central axis of the nut and substantially parallel to the threaded path. Each of the dual-narrowed paths has a high-speed area and the diameter of each of the dual-narrowed paths is gradually reduced from two ends toward the high-speed area. The nut has micro fans which drive the air flows and reduce the temperature to increase the life of use and the precision of positioning.

The invention relates to a smelting recovery method for lath-like residual titanium. The smelting recovery method includes the steps of residual titanium sizing, surface treatment, distribution and electrode binding, VAR smelting and finished titanium ingot treatment. The procedures of residual titanium crushing, mixing and electrode pressing are omitted, the manufacturing process flow is short, and operation is simple. The utilization rate of the residual titanium is high, specifically, 100% adding and recovery of the residual titanium can be achieved due to the fact that electrode pressing is not needed, the residual titanium adding proportion is increased to 100% from 30%, and the utilization rate of the residual titanium is greatly increased. The production cost is low, and specifically, the production cost is effectively lowered by shortening the manufacturing process flow and increasing the utilization rate of the residual titanium. The smelting recovery quality is good, specifically, due to the fact that the residual titanium crushing procedure is omitted, increment of impurity elements such as Fe, O and N in the crushing process can be effectively reduced, and the quality of titanium ingots obtained through smelting recovery is improved.

The invention relates to a gasoline detergent prepared from aromatic amine polyoxypropylene ether. The aromatic amine polyoxypropylene ether is represented by a structural formula (I), wherein R is hydrogen or an alkyl group of C1 to C10, and can be positioned at an ortho-position, a meta-position or a para-position on a benzene ring relative to nitrogen atoms; and the summation of a and b is a natural number in the range of 9 to 33. When used in gasoline, the gasoline detergent prepared from the aromatic amine polyoxypropylene ether serving as a main component can remarkably reduce the generation of sediments in fuel-intake system of a gasoline engine.

The invention belongs to the technical field of welding materials, and particularly relates to multi-purpose submerged arc sintered flux for alloy steel and a preparation method thereof. The multi-purpose submerged arc sintered flux is prepared from various compositions of dry powder and binder sodium silicate, and the dry powder is prepared from the following raw materials in percentage: 15-18% of SiO2, 5-8% of MnO, 22-30% of CaF2, 20-25% of Al2O3, 25-30% of MgO, and 1-3% of alloy powder. According to the prepared sintered flux, the viscosity, surface tension and fluidity of slag are well adjusted, when the flux is used for welding, the welding process is stable, the amount of smoke and dust is small, splash is small and the deslagging performance is excellent.

The invention provides a novel integrated bidirectional tuner which comprises a tuner input port, a variable frequency tuning circuit, a filter circuit, an amplification circuit and a demodulation circuit which are connected in the way that the output end of the variable frequency tuning circuit is connected with the input end of the filter circuit, the output end of which is connected with the input end of the amplification circuit; and the output end of the amplification circuit is connected with the input end of the demodulation circuit. The novel integrated bidirectional tuner is characterized in that an adjustable multiplexer also is connected between the variable frequency tuning circuit and the tuner input port. The adjustable multiplexer is embedded into a tuner which can not only separate data signals and cable television signals, but also function as a band-pass filter; therefore, compared with the original method that the adjustable multiplexer is arranged outside the tuner, elements, such as cable components or an adapter and a band-pass filter, etc., are reduced, thus not only saving cost, but also reducing extra insertion loss caused by the adding of the cable components or introduced by the adapter.

The invention relates to an ultralow-hydrogen high-alkalinity high-toughness sintered flux. The sintered flux is specifically prepared from dry powder of multiple components and binder water glass, and the dry powder comprises the following components in parts by weight: 12-23 parts of MgO, 15-25 parts of CaF2, 16-26 parts of Al2O3, 10-20 parts of CaCO3, 1-8 parts of SiO2, 1-5 parts of BaCO3, 1-5parts of Li2CO3, 2-5 parts of K2O+Na2O, and 1-5 parts of silicon-manganese-iron alloy. The ultralow-hydrogen type high-alkalinity high-toughness sintered flux is prepared through the method includingthe following steps that the dry powder materials are evenly mixed according to the proportions, the water glass is added, wet mixing is conducted, then granulation is conducted, drying is conducted at the temperature of 280-380 DEG C to remove the moisture, screening is conducted, high-temperature sintering is conducted at the temperature of 750-850 DEG C, cooling and screening are conducted, andthe ultralow-hydrogen type high-alkalinity high-toughness sintered flux is obtained. The ultralow-hydrogen type high-alkalinity high-toughness sintered flux has the excellent technical effects as shown in the specification.

The invention discloses a treatment method for an acidic waste etching solution. The treatment method comprises the following steps of electrolyzing the acidic waste etching solution, so that copper ions in the acidic waste etching solution are deposited to obtain electrolyzed clear solutions; performing vacuum concentration for the electrolyzed clear solutions to obtain distilled water containinghydrochloric acid, and concentrated solutions; and cooling and crystallizing the concentrated solutions, and separating solids and liquid to obtain chloride solids and acidic solutions. Compared withthe prior art, the treatment method for the acidic waste etching solution has the advantages that copper can be recycled and the electrolyzed clear solutions are obtained after the acidic waste etching solution is electrolyzed; the hydrochloric acid can be recycled; concentrated solutions are cooled and crystallized to obtain the chloride solids and the acidic solutions, and the chloride solids can be used for preparing the acidic solutions; the acidic solutions can be used for replacing industrial hydrochloric acid, and reused in H2O/HCl series and NaClO3/HCl series acidic etching solutions;the technological process is shorter, and the increasing amount of the waste etching solution can be reduced greatly; and the treatment method benefits environmental protection.