90results about How to "Eliminate erosion" patented technology

Satiation devices for controlling obesity and methods of implanting same are configured to create a small satiation pouch in the proximal portion of the stomach with a narrow passage leading into the lower portion of the stomach. The small satiation pouch is configured to collect a small amount of masticated food from the esophagus and the narrow passage delays emptying of the food from the satiation pouch into the larger part of the stomach, thereby causing a feeling of fullness.

The invention provides a three-dimensional framework fast extraction method based on branch feathers, which comprises the following steps: firstly, automatically extracting root points and tip end points of a tree type voxel model; then, carrying out seed point distance conversion on the root points and the tip end points of the voxel model; automatically judging the branching feathers and optimizing cutting surfaces according to the growth strategy of regions from the root points or the tip end points; decomposing an object into meaningful components with reasonable delimitation between components; and finally, extracting voxel component frameworks and connecting the voxel component frameworks into a structural framework of the object. The framework fast extraction method based on branch feathers is fast and effectively, and the structural integral frameworks maintain topological structures of the original voxel model, and can not generate fracture and redundant complicated branches. The actual plant model construction is carried out on the basis of the framework, the actual scanning data can be processed, and the invention has the anti-noise capability and has high reconstruction accuracy. The test on a plurality of data sets proves that the invention is applicable to bodies with annular structures and can process surface voxel models and solid voxel models.

A plasma etch process for forming a high aspect ratio contact opening through a silicon oxide layer is disclosed. The silicon oxide layer is plasma etched using etch gases that include at least one organic fluorocarbon gas. At least one etch gas is used that includes one or more nitrogen-comprising gases to deposit a surface polymeric material during the etching for maintaining a masking layer over the silicon oxide layer. The method of the invention achieves a complete and anistropic etching of a contact opening having a high aspect ratio and the desired dimensions.

A hanger device in an assembly of a clip and a support member for installation upon a wallboard. The clip is formed as one piece, having an upturned arm, a downwardly turned leg and a horizontally oriented extension member connecting the two together. A hook is mounted on leg and a pointed end is provided on the terminal end of the arm. An opening is formed in support member so as to mate geometrically to the rectangular cross section of extension member to prevent turning of clip after installation of device in wallboard. A plurality of spaced-apart apertures is provided in the support member for insertion of fasteners to attach support member to the wallboard. The device of the invention carries much more weight than do the present state-of-the art hangers.

A robotic apparatus for the cleaning and maintenance of coal fired boilers, which is designed to operate in the high temperature environment of the combustion gasses to effectively clean and remove slag deposits of the boiler heat transfer surfaces by use of a precision directed, low pressure, low flow rate water stream. The robotic cleaning apparatus is comprised of lightweight carbon fiber structural elements, attached to the exterior of the boiler, and cooled by annular pressurized water sheaths impingent on a thin metal skin covering the lightweight structural elements. Multiple articulated joints allow for complete access to the heat transfer surfaces of the boiler. A variety of payloads can be delivered to specific points within the boiler, including imaging systems, cutting, and welding apparatuses. A mathematical state space control matrix allows for optimal positioning and feedback control of motions.

The invention discloses a side packaging structure of an electronic module, which comprises an upper substrate, a lower substrate and a sealing frame, wherein the sealing frame is arranged at the peripheries of the upper substrate and the lower substrate in a surrounding manner, and forms a containing space with the upper substrate and the lower substrate. A main body of the sealing frame is made of a silicone layer, so that a waterproof effect of an external packaging structure is improved greatly; an opportunity that moisture permeates into the electronic module via the side packaging structure is reduced; and the side packaging structure can avoid damage from an internal polar solvent or a plastic agent by virtue of the characteristic of silica gel.

An efficient, intense ultraviolet radiation source is disclosed that uses electrodes, external to the UV-generating plasma, to eliminate electrode erosion. High-frequency electrical energy is coupled to the UV-emitting plasma capacitively. The electrodes are attached to the glass envelope in such a way as to minimize or eliminate resistive or capacitive losses. The intense ultraviolet radiation source can be generated by applying a continuous or pulsed/gated high-frequency voltage to the glass envelope via the external electrodes. Electrode erosion is eliminated as a reason for lamp failure and the peak intensity that can be generated without damage is greatly increased.

The invention, which belongs to the organic semiconductor thin-film solar battery field, discloses a solar cell based on a nano-onion-carbon composite anode buffer layer. On the basis of an ortho type structure, the solar cell comprises a substrate (1), a transparent conductive anode ITO (2), a composite anode buffer layer (3), an optical active layer (4), a cathode buffer layer (5), and a metal cathode (6), wherein the layers are arranged successively from bottom to top. The composite anode buffer layer is formed based on compounding of a conductive polymer PEDOT:PSS, a micromolecule material F4-TCNQ, and a nano onion carbon material. The conductive polymer PEDOT:PSS is doped with the micromolecule material F4-TCN with a certain proportion and a high-conductivity nano onion carbon material, so that the photoelectric conversion efficiency of the device is improved, the air stability of the organic thin-film solar cell is enhanced, and the service life is prolonged.

A rotating mechanical seal with a sliding ring, characterized by the sliding ring (5) being attached by way of an O-ring (6) on a shaft (1) of a compressor and rotating with the shaft (1) and by a non-rotating backing ring (4) being provided which is attached by way of an O-ring (3) to a housing (2) of the compressor so as to be gas-tight wherein the sliding ring (5) and backing ring (4) are pressed one against another by a spring (8) to form a seal and slide one upon the other, wherein one of the rings (4,5) is made of a carbon and silicon carbide composite material and the other of a silicon carbide material.

The invention relates to a traditional Chinese medicine biological preparation for promoting female reproductive health and a preparation method thereof. The traditional Chinese medicine biological preparation comprises radix sophorae flavescentis, fructus cnidii, gallnut, aloe, radix angelica sinensis, cortex phellodendri, safflower, semen cuscutae, roselle, cranberry, propolis, lysozyme, mentholand soybean peptide. The traditional Chinese medicine biological preparation has the advantages that the traditional Chinese medicine biological preparation adopts pure natural traditional Chinese medicine components, is free of irritation to the vagina mucosa, does not destroy the clean environment of the vagina, removes the vagina peculiar smell, eliminates itching, inflammation and erosion, nourishes the vagina, has the functions of bacteriostasis, bacterium resistance, virus resistance and the like, can inhibit the growth and reproduction of bacteria, can be used for repairing the vaginalmucosa and the cervical injury, and also can promote elasticity and tightness restoration of the vagina, protect the ovary, improve the immunity of organisms and promote the female reproductive health.

A method of forming a sliding spline-type joint using magnetic pulse forming technology includes providing a female driveshaft member and a splined insert having inwardly formed splines. A male driveshaft member is provided having outwardly formed splines engageable with the insert. A mandrel is provided having outer ribs similar to the outer spline profile of the male driveshaft member. An inductor is provided which is energized to create a pulse magnetic field. The insert is placed over the mandrel. The female driveshaft member is disposed over the insert, and both are placed inside the inductor. The inductor is energized to deform a portion of the female driveshaft member over the insert to form an array of crimps for permanently connecting the female driveshaft member with the insert. The male driveshaft member is engaged into the insert to provide a sliding spline-type of slip joint.

The invention relates to a steel-making method of an experimental induction furnace, comprising the following steps of: electrifying and completely melting solid metal charge in a furnace; blowing oxygen into the furnace from a furnace top by adopting a fixed position manner or a gradual water-cooling oxygen lance position lowering manner; slagging; changing bottom blowing gas flow rate when top blowing oxygen is 15-16min; when mass percent of carbon in molten steel is less than 0.1%, stopping top oxygen supply; and removing slag in the furnace, then carrying out aluminium deoxidation, alloying and tapping according to type of steel which is made. The invention has the characteristics that: processing time is short, operation is flexible and effective; decarbonization, degasification, dephosphorization and sulphur impurity removal are carried out on molten metal in the induction furnace, molten iron can be rapidly smelted into steel, and great benefit is provided for expanding metallurgy function of the induction furnace and controlling variety, composition and product quality; good condition is provided for preferentially dephosphorizing during steelmaking, end phosphorous content is reduced to 0.010-0.0045wt%, environmental pollution and corrosion to lining of the induction furnace which are caused by solid cosolvent such as fluorite and the like can be eliminated.

A method of forming copper interconnects includes: depositing a dielectric layer on a silicon wafer substrate; forming vias and/or trenches in the dielectric layer; next, depositing a barrier layer and a copper seed layer sequentially from bottom to up on the dielectric layer; depositing a copper layer on the copper seed layer, and performing an annealing process; then performing a multi-step polishing process to remove bulk coppers and stopping at the barrier layer; performing a planarization process to remove the barrier layer on the surface of the dielectric layer, a portion of the dielectric layer, and a portion of the copper in the vias and/or trenches to form the copper interconnects in the dielectric layer.

The invention discloses a preparation method of an ultrathin neodymium-iron-boron permanent magnet surface protective coating. The method comprises the steps that direct current magnetron sputtering coating is performed on a neodymium-iron-boron magnet subjected to surface cleaning treatment to obtain a neodymium-iron-boron magnet with a copper gradient coating deposited on the surface; surface pretreatment is performed on the obtained neodymium-iron-boron magnet with the copper layer deposited on the surface, and then a nickel-based coating is applied to obtain the neodymium-iron-boron magnet with the Cu-Ni combined coating deposited on the surface; in the sputtering process, power supplies of a Cu-Sn target and a Cu target are turned on, and the Cu-Sn target and the Cu target are sputtered at the same time; the initial power of the Cu-Sn target is 120 W and is gradually reduced according to the speed of 3-5 W/min in the sputtering process until the Cu-Sn target is turned off; and the power of the Cu target is 150 W and is always kept unchanged, and the time is 1.5-3.0 hours. The ultrathin permanent magnet combines the advantages that a prepared film layer is deposited firmly and is compact and resistant to corrosion due to the fact that acid pickling pretreatment is not required in a magnetron sputtering technology, and the problem that the magnetic performance is reduced due to the fact that an acid pickling solution and an electroplating solution erode a matrix structure in the surface treatment process of the permanent magnet is solved.

The invention relates to an all-obstruction bridge concrete composite self-heat-preservation integrated building block. The building block comprises a first block body, a second block body and an organic heat-preservation material block, and is characterized in that at least one first bulge facing inwards is arranged on the inner wall of the first block body, at least one second bulge facing inwards is arranged on the inner wall of the second block body, the second bulge and the first bulge are arranged in a staggered manner to form a cavity penetrating the left end and the right end, and the cavity is filled with the organic heat-preservation material block; the left end surface and/or right end surface and the upper end surface or lower end surface of the organic heat-preservation material block are protruded outwards; and the first block body, the second block body and the organic heat-preservation material block are connected with one another by connecting pieces. The all-obstruction bridge concrete composite self-heat-preservation integrated building block has the beneficial effects that the heat-preservation material can completely obstruct the concrete blocks, the concrete blocks inside and outside cannot form a heat bridge, the energy-saving efficiency can reach more than 75%, the construction cost is reduced, the process program is reduced, the construction period is shortened, and the worries of owners for the rising heating and refrigerating expenses are eliminated.

The invention discloses a pneumatic opposite acting plunger pump which comprises a pump body. The left side and the right side of an inner cavity of the barrel-shaped pump body are each provided with a set of plungers, and an upper water outlet and a lower water inlet are machined in the upper side and the lower side of the middle of the pump body respectively. A flange and a driving mechanism are mounted at the ends of the left side and the right side of the pump body respectively. The plungers on the left side and the right side of the pump body and the driving mechanism have the same structure; the left plungers comprise piston rods, belleville springs I, bolt plugs and belleville springs II, and the belleville springs I, the bolt plugs and the belleville springs II sequentially penetrate through the ends of the right sides of the piston rods. According to the pneumatic opposite acting plunger pump, by means of reasonable water pump cylinder design, the water suction and drainage capacity of a water pump is amplified, an opposite double-plug mode is adopted, the flowing property of water is reasonable, energy consumption loss is reduced, blocking is not likely to happen, and the failure probability is reduced.

The invention relates to the field of sewage collection and treatment devices used for large ships, in particular to a deck sewage collection and treatment device used for a large ship and aims to provide the deck sewage collection and treatment device used for the large ship which can collect sewage after a large ship deck is flushed and avoid serious pollution of a water body of a sea area wherethe large ship is located. The deck sewage collection and treatment device used for the large ship is characterized by comprising a base, universal wheels, rollers, large bearings, a supporting rod,a hose, a first one-way valve, a cylinder, a piston, a small guiding rod, a small spring, a connecting pipe and the like; the universal wheels are connected with the right side of the bottom of the base. The deck sewage collection and treatment device used for the large ship can conveniently collect and treat the sewage which is generated after the large ship deck is flushed, so that convenient for workers to eliminate corrosion of seawater to the large ship deck and cleanness and sanitation of the large ship deck is maintained.

The invention relates to a traditional Chinese medicine biological agent acting on a female reproductive system and a preparation method of the traditional Chinese medicine biological agent. The traditional Chinese medicine biological agent is prepared from raw materials as follows: recombinant humanized collagen, hydrolyzed collagen, sodium hyaluronate, cranberries, glossy privet fruits, semen cuscutae, radix sophorae flavescentis, fructus cnidii, flos carthami, fructus kochiae, cortex phellodendri, garden burnet roots, borneol, menthol and polyhexamethylene biguanidine hydrochloride. The traditional Chinese medicine biological agent has the benefits as follows: the traditional Chinese medicine biological agent is prepared from pure natural traditional Chinese medicine ingredients, can eliminate pruritus, inflammation and erosion and nourish vagina, has functions of inhibiting bacteria and resisting bacteria and viruses, has no irradiation to vagina mucosa, cannot damage clean environment in the vagina, clears peculiar smell of the vagina, can inhibit growth and reproduction of bacteria, can repair vagina mucosa and cervix uteri injury and also can promote recovery of elasticity and tightness of the vagina, protect the ovary, improve the immunity of the organism and nurse the female reproductive system.