31results about How to "Reduce or eliminate" patented technology

A foreship arrangement for a vessel of the displacement type, which foreship consists of the part of the ship in front of the vessel's midship mark (2) and which vessel has a transversely symmetrical hull form about its centre line (CL) and a substantially conventional bow form below its design water line (Tdwl), characterised in that the stem line (1) of the vessel turns substantially backwards in relation to the length direction of the ship from a transition point (B) at or immediately above the design water line (Tdwl).

The present invention relates to a method for controlling a wind turbine,in particular a method for controlling pitch of one or more blades of a wind turbine and related system. The method comprises collecting first data indicative of a dynamic condition of the first wind turbine blade and the rotor, the first data comprising rotor data and first deflection data, the rotor data being indicative of the azimuth position and rotational velocity of the rotor in a rotor plane perpendicular to the rotor axis, and the first deflection data being indicative of the position, speed and acceleration of one or more parts of the first wind turbine blade.; Further, the method comprises calculating an expected tower clearance distance at a later time of tower passage for the first wind turbine blade based on the first data including acceleration of one or more parts of the first wind turbine blade, and performing measures to prevent tower collision, if the expected tower clearance distance fulfills a collision risk criterion.

Provided is a parts washer that includes a multi-tiered basin, a cleaning fluid and a biological component, living within the fluid, that breaks down organic waste. The multi-tiered basin includes a sink member with a false bottom, and a support grid and filter are interposed between the false bottom and a bottom panel of the sink member. The false bottom support grid, and filler are readily removable from the sink member. The tank is partially filled with the cleaning fluid and a pump and conduit assembly direct a flow of the cleaning fluid to the basin. The cleaning fluid discharged into the basin flows through a drain hole in the false bottom, through the filter and support grid, and then through a drain hole in the bottom panel of the sink member back into the tank for reuse. The cleaning fluid includes, at least, a surfactant that functions to remove organic waste from the parts being washed. The biological component within the cleaning fluid includes nonpathogenic microorganisms that break down the organic waste. The cleaning fluid is not toxic to the microorganisms. The pump and conduit assembly, in addition to aiding in the removal of organic waste, functions to aerate the cleaning fluid to maintain a proper environment for the microorganisms. A heater, thermostat, and level control assembly function to maintain:the cleaning fluid within a certain temperature range so as to aid in the removal of organic waste and maintain a proper environment for the microorganisms.

The invention provides a loss assessment method after vehicle collision. The method comprises the following steps: (a) receiving information of a vehicle to be subjected to loss assessment; (b) calculating an initial loss assessment amount of a vehicle to be subjected to loss assessment; (c) applying one or more non-technical adjustments to the calculated loss assessment amount; and (d) taking theadjusted loss assessment amount as the loss assessment amount of the vehicle to be subjected to loss assessment. According to the loss assessment method of the invention, a series of non-technical adjustments can be dynamically applied on the basis of a conventional loss assessment method, and technical factors and non-technical factors involved in the loss assessment process are integrated together, so that rapid, accurate and personalized loss assessment can be realized without manual intervention, the effect of human factors in loss assessment is reduced or eliminated, and the loss assessment standard is unified.

The invention relates to polishing device and method of sapphire. The polishing device comprises a laser beam, a shoe plate, a worktable and a connecting piece, wherein the worktable is provided with a stepper motor driving the worktable to make X-direction movement and a stepper motor driving the worktable to make Y-direction movement, the connecting piece is fixed on the worktable, the shoe plate is arranged on the connecting piece, and a sapphire wafer to be polished is fixed on the shoe plate; the laser beam radiates to the sapphire wafer from the upward side of the sapphire wafer to be polished, and the stepper motor driving the worktable to make the X-direction movement and the stepper motor driving the worktable to make the Y-direction movement are respectively connected with a control device. The invention controls the X-direction movement and the Y-direction movement of a workpiece and the movement track of the workpiece relative to the laser beam by regulating the incident angle of the laser beam and controlling the worktable, thereby realizing the comprehensive scanning and polishing on the surface of the sapphire wafer. The invention can remove very little material, reduce and even eliminate the influence of heat on the sapphire material, thereby obtaining a polished surface with low surface roughness and low subsurface injury degree.

The invention relates to an anti-arching circuit board rack, which comprises a rectangular rack body, two clamping tools and a buffer mechanism, the two clamping tools are respectively arranged on the corresponding side rods of the rectangular rack body and respectively clamp the left side edge and the right side edge of a circuit board from the left side and the right side, the buffer mechanism is elastically connected between one side rod and the corresponding clamping tool, and the buffer mechanism is elastically connected between the other side rod and the corresponding clamping tool. Therefore, the deformation quantity of the circuit board in the left-right direction is absorbed, and the arch plate of the circuit board is improved.

The invention provides a method for efficiently demulsifying and dehydrating oil field complex oil-water emulsion. The method comprises the following steps: 1) adding a demulsifier into crude oil and mixing uniformly to obtain primarily treated crude oil; 2) adding a mixture of alkane, alcohol and alcohol ether into the primarily treated crude oil and mixing uniformly, wherein the mixture of the alkane, the alcohol and the alcohol ether consists of three components, namely alkane, monohydric alcohol or polyhydric alcohol, and alcohol ether or alcohol ether ester. The method for efficiently demulsifying and dehydrating the oil field complex oil-water emulsion, provided by the invention, specially aims at a special oil-water emulsifying layer (an intermediate transition layer), ageing oil and the like which are easily formed after dehydration is conducted by singly adopting a demulsifier, the stability of an interfacial film of the oil-water emulsifying layer is effectively broken and the polar environment of interfacial phase is changed on the basis of not changing the use variety and the use mode of the original demulsifier by cooperatively using the specially composed mixture of the alkane, the alcohol and the alcohol ether, and the solubilization effect on asphaltene, colloid, polymers and the like is achieved.

The present invention discloses a tubular, continuous, seamless, compressible, resilient mounting article comprising inorganic fibers and having an interior curved surface, a central longitudinal axis, and a consistent internal cross-section along said central longitudinal axis . The mounting articles are useful, for example, for mounting pollution control elements in pollution control devices.

The present invention relates to a low-energy consumption pressure spray desalination device and a method thereof, and belongs to the field of sea-water desalination. The device part mainly comprises an air compressor set, a high pressure air tank, a high pressure hot seawater tank, a desalination and separation chamber, a hot air recoverer, a seawater heat exchanger tank and a freshwater tank. The spray desalination method mainly comprises the following steps: pressing seawater in sprinklers by high pressure, carrying out salt and water separation in the desalination and separation chamber in the high pressure spray manner. According to the present invention, the heat energy recycling and utilizing is realized; the high pressure gas phase power is adopted to transfer the spray, two heat exchanger method of convection and radiation are adopted, and the condensing waste heat is adopted for seawater heat energy recycling, such that the moving parts contacting with the seawater are reduced to the minimum, the system is simple, the operation is safe and stable so as to achieve purposes of low-temperature vaporization, low energy consumption, low investment, high yield, high efficiency and long service life.

The invention relates to a sewage treatment method and a sewage treatment device. The toilet sewage treatment method comprises the following steps: firstly conducting solid liquid separation on the sewage discharged from a toilet, then disinfecting, filtering for the second time, and discharging or reusing the sewage reaching the emission standard after further in-depth treatment. The toilet sewage treatment device comprises a sewage tank which is internally provided with a solid liquid separation chamber and a solid storage chamber, a solid liquid separating and filtering tank is installed in the solid liquid separation chamber, a sewage inlet and a solid matter outlet are arranged on the solid liquid separating and filtering tank, and the solid liquid separation chamber is provided with a sewage outlet connection filter pipe. The toilet sewage treatment device and the toilet sewage treatment method disinfect the sewage from the source, the spreading basis of virus and microbes in the sewage is cut off, and the sewage is purified and treated in depth at the same time, so that zero emission of the sewage and resource regeneration and recycle are implemented in a community, and the problem of new pollution of sludge and sediment in a traditional treatment method is avoided effectively.

The invention discloses a method for preparing a semiconductor device, comprising: providing a semiconductor substrate; preparing a metal layer on the semiconductor substrate; preparing an oxidation barrier layer on the metal layer; performing an oxidation process so that the metal layer A metal oxide layer is formed on the surface of the metal layer in contact with the oxidation barrier layer; and the metal layer is selectively etched. The preparation method of the semiconductor device provided by the present invention first performs an oxidation process, so that a metal oxide layer is formed on the surface of the metal layer where the metal layer is in contact with the oxidation barrier layer, and during selective etching of the metal layer, The metal oxide layer can block chemical reagents from oxidizing the metal layer and avoid the formation of local aluminum oxide, thereby reducing or eliminating the formation of aluminum residues to improve the electrical performance of the device.