76results about How to "Low cost advantage" patented technology

Electrodes in an organic thin film transistor based on single component organic semiconductors may be chemically modified to realize ambipolar transport. Electronic circuits may be assembled which include at least two such organic thin film transistors wherein at least one transistor is configured as a pmos transistor and at least on other transistor is configured as a nmos transistor.

The invention provides a method for manufacturing a shell of a microwave high-power pipe. Existing commercialized tungsten copper or molybdenum copper or other copper-based composite materials cover the two sides of copper foil, and 'Cu-Laminate' heat sink of the copper-based composite materials of a sandwich structure is synchronously formed in the braze welding process of a semi-finished product of the shell. The method has the advantages that the braze-welded shell is in a stress state with the safe strength, and heat conductivity is at least increased by 10% compared with heat conductivity of a shell that only core layer alloy is used. Heat dissipation capacity, air tightness and long-term reliability of the shell manufactured according to the process route and the method can meet the packaging requirements of a high-power-density microwave high-power device. Due to the fact that core layer materials used for forming 'Cu-Laminate' heat sink are mature commercialized tungsten copper and molybdenum copper, the cost advantage is possessed, and material procurement risks can be greatly reduced.

The invention discloses a planar bipolar ultra-broadband phased array antenna based on tight-coupling dipole subunits, and belongs to the technical field of electrocommunication, particularly ultra-broadband phased array antennas. Existing tight-coupling antenna array structures and feeder networks are improved, a grounding hole to the ground is introduced to each monopole of a dipole sub-antenna-unit, therefore, common-mode signal interference which influences the broadband antenna performance is eliminated, a necessary broadband Balun device in the existing tight-coupling antenna feeder networks is removed, and the defects are overcome that existing broadband phased array antennas are high in cost, not easily conformal and complex in manufacturing and cannot achieve the modularized function. The achieved novel planar tight-coupling bipolar ultra-broadband phased array antenna has the advantages of being high in index, broad in frequency band, miniaturized, easily conformal, simple instructure, capable of being assembled in a modularized mode, and can meet the requirements on a new generation of phased array antennas of the development of modern civil mobile communication systemsand military detection radar systems.

The invention discloses a functionally-graded anode composite film of solid oxide fuel cells (SOFC) and a preparation method thereof. Three currently known anode materials, Cu-LSCM-CeO2 with excellent catalytic performance, Ni-YSZ with excellent toughness and mechanical strength property and Ni-ScSZ with superior electrochemically activity, are combined, so that a plurality of requirements on the anode can by undertaken by different functional layers, each layer is enabled to cooperate with each other, and an effect of complementary advantages can be achieved through synergy, thereby eliminating carbon deposition phenomena of methane and other hydrocarbon fuels on the anodes of the SOFC, and improving stability of the anodes in the methane and other hydrocarbon fuels and catalytic activities of the anodes for electrochemical reactions. Especially, the method is suitable for preparing large-size, high-performance and functionally-graded anode composite film of the solid oxide fuel cells through industrial production, is simple in technology, short in preparation period, low in cost, and suitable for industrial applications.

The invention relates to a three-phase integrated all-fiber current transformer. The three-phase integrated all-fiber current transformer comprises a light source and an optical splitter connected with the light source, and further comprises a first phase modulator, a second phase modulator and a third phase modulator, wherein the first phase modulator, the second phase modulator and the third phase modulator are connected with the optical splitter simultaneously. The first phase modulator is connected with a first delay winding and a first sensitive element in sequence. The second phase modulator is connected with a second delay winding and a second sensitive element in sequence. The third phase modulator is connected with a third delay winding and a third sensitive element in sequence. The output end of the optical splitter on a return light path is connected with a photoelectric detector and a digital signal acquisition and processing circuit in sequence. The digital signal acquisition and processing circuit is in closed-loop feedback connection with the first phase modulator, the second phase modulator and the third phase modulator. By the adoption of the three-phase integrated all-fiber current transformer, measurement of three-phase currents can be completed simultaneously through one device, so that the number of applied phases of optical devices and circuit devices is greatly reduced, the cost is lowered, and the integration level of the whole set of equipment is improved.

An earth wire hanging, demolishing and management system is used for a power plant and a substation. The management is characterized in that a main control management platform is arranged in a command master-control room, and a secondary reexamination system is established for giving order of the demolishment of the earth wire, terminal operation and dismounting the earth wire to return the main control; a main control management program implements the earth wire hanging, demolishing and management system by a host simulating operation screen. The hard ware setting relates to that the earth wire combines with a tracker to be a signaling terminal; a troubleshooter carries out an order to the order target of an earth wire pile hanging tracker; the tracker keeps wired communication with the management system and displays position occupied; if errors are found when the demolished tracker carries out identifier reexamination at the main control platform, an audio alert works and full records are left in the main control program, therefore, the system realizes real-time communication with the dispatching of a higher authority and the local control. The management system constitutes two-level reexamination of the troubleshooter and a commander so as to ensure the correct hanging and demolishing of the earth wire and to avoid incorrect order manipulation accident; the system has the advantages of remarkable low cost and is a precautionary measure on work safety, which is easy and simple to implement in the present power sector.

The invention discloses a low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash. The material comprises, by volume, 10-40 parts of blast furnace slag, 5-45 parts of converter steel slag, 0.1-40 parts of sandy soil, 5-20 parts of sintered desulfurized ash, 5-8 parts of slag powder, 1-2 parts of cement, 0.1-2 parts of an additive and 12-13 parts ofwater. Batching, stirring, paving, rolling and curing construction are carried out in sequence on the components, thus obtaining the low-clinker high-impermeability field floor hardening material. Theinvention adopts blast furnace slag, converter steel slag, sintered desulfurized ash and sandy soil as the main raw materials, and takes an appropriate amount of slag powder and a small amount of cement as the auxiliary materials, the obtained field floor hardening material has a strength grade up to C10-C25, and can replace low-strength grade concrete for application to floors of factories and mines, storage yards and construction sites and roadbases.

The invention discloses waterborne wood floor paint for roller painting of containers. The waterborne wood floor paint comprises a first component, a second component and water in a mass ratio of 100:5-10:10-20. The first component is prepared from a composite modified self-crosslinking acrylic polymer, a composite modified wear-proof polymer, an anti-foaming agent, a dispersing agent, a waterborne flatting agent, a thickening agent, a leveling agent, smoothening and anti-adhesion additives, an anti-mildew bactericide and the balance water. The second component is prepared from a composite modified cross-linking agent and water. The waterborne wood floor paint for roller painting of the containers is great in effect, environmental friendly, especially suitable for roller painting, excellent in anti-foaming performance and abrasion resistance, high in hardness, excellent in anti-cracking performance under cold and hot conditions, anti-adhesion performance at a high temperature and water resistance, quick in drying, moderate in cost, easy in construction and high in efficiency.

A method for attaching a conductive particle to the apex of a probe tip comprises the steps of: moving the apex of a probe tip close to a conductive particle and applying a bias voltage between the probe tip and the conductive particle so that the conductive particle can permanently attach to the apex. The method uses only a bias voltage to transfer and attach conductive particles to the apex of a probe tip, and no surface treatment of the probe tip is required.

The invention discloses an extended SQM-based GNSS receiver baseband spoofing detection method. A multiplier, a correlator, a coherent integration operation, a phase discriminator, a spoofing detection device, a loop filter, a pseudo code NCO, a C/A code generator and a carrier NCO are arranged. The method can ensure that the user receiver can timely convert the anti-spoofing structure or stop working in the spoofing environment, enhances the bearing capacity of the user carrier to the spoofing signal, improves the ability to resist the spoofing attack, and has important engineering significance and practical value.

An electrophoretic display apparatus includes a substrate, a color filter layer, an electrophoretic display film, a common electrode layer, multiple electrode patterns and multiple spacers. The color filter layer is disposed on the substrate and at least includes multiple first color filter patterns and second color filter patterns. The electrophoretic display film is disposed between the substrate and the color filter layer and includes a flexible substrate and multiple display media. The first and second color filter patterns are respectively corresponding to the display media. The electrode patterns at least include multiple first electrode patterns and second electrode patterns. The first electrode patterns receive a first voltage and are disposed respectively correspondingly to the first color filter patterns, while the second electrode patterns receive a second voltage and are disposed respectively correspondingly to the second color filter patterns. The spacers are disposed between the display media and the substrate.

The invention discloses a preparation method of a super-hydrophobicity PTFE hollow fiber membrane assembly. The preparation method comprises the following steps: mixing dispersing polymerization PTFE resin with super high molecular weight with a lubricant, and ripening and performing to prepare PTFE primary hollow fibers; extruding and forming the prepared PTFE primary hollow fibers under high pressure, and preparing a PTFE hollow-fiber membrane by defatting, drawing at high temperature and expanding, sintering and shaping; and carrying out wire burning, banding and sodium naphthalene surface treatment on the prepared PTFE hollow-fiber membrane, and finally preparing the super-hydrophobicity PTFE hollow fiber membrane assembly. By the preparation method, important performance indexes such as aperture, stretching strength, cross-sectional area and thicknesses of walls of hollow fiber tubes of the membrane assembly can be improved effectively, two technological difficulties including 'micropore structure' and difficulty in forming' of PTFE hollow fibers are solved, performance of the PTFE hollow fiber membrane is improved, and therefore, the problem that industrialization of PTFE hollow fiber membrane assemblies is relatively low is solved.

The invention belongs to the technical field of high polymer materials, particularly discloses a polylactic acid modified material containing plant fibers, and also discloses a preparation method of the polylactic acid modified material. The modified material is prepared from the following raw materials in parts by weight: 55-70 parts of biodegradable polyester, 30-60 parts of plant fibers, 0.5-10parts of a plasticizer, 0.5-2 parts of a coupling agent and 0.5-2 parts of a compatilizer, wherein the plant fibers are forestry and agricultural residues. The biodegradable polyester particle containing agricultural and forestry waste plant fibers for injection molding is provided by designing the composition of the raw materials and combining the improvement of the preparation process. The problem that the rejection rate of high-content agricultural and forestry waste plant fiber polyester particles in the injection molding production process is too high due to raw materials in the industrial injection molding production process is solved whilepolyester particle degradation requirement is met, and the price of a terminal product can be reduced.

The invention relates to rail vehicle brake disk. According to the invention, a one-piece rail vehicle brake disk is made of steel or cast iron, comprises at least one effective surface (2) with which a friction element comes in contact during a braking maneuver, and is designed in such a way that the effective surface (2) has a plurality of blind holes.

The present invention relates to a filter element for a liquid medium having a filter medium disposed in an annular manner with respect to a longitudinal axis of the filter element. The filter element further comprises: an end plate which is an upper end plate when the filter element is operated and a lower end plate. The filter medium is held between the upper end plate and the lower end plate, wherein the filter front side which is arranged at an upstream part of the fluid of the filter medium and a filter rear side of the filter element which is arranged at a downstream part of the fluid of the filter medium are defined via the filter medium. The filter element also has a ventilation device comprising: a first ventilation passage connected to the filter front side of the filter element at the inlet end; a vent pipe or a vent pipe portion. The filter element has a siphon, the first vent channel being fluidly connected to the inlet opening of the vent pipe or vent pipe portion by means of a siphon so as to prevent undesirable reflow of air from the vent tube.