263results about How to "Inhibition of rupture" patented technology

The present invention relates to a doped multi-layer core-shell silicon-based composite material for a lithium ion battery, and a preparation method thereof. Other than being doped with a necessary lithium element, the material is also doped with at least a non-metallic element and a metal element; the material has a structure in which a silicon oxide particle doped with elements is taken as a core, and a multilayer composite film which is tightly coated on the surface of the core particle is taken as a shell; the core particle contains uniformly dispersed monoplasmatic silicon nanoparticles,the content of doping elements gradually decreases from the outside to the inside without a clear interface, and a dense lithium silicate compound is formed on the surface of the core particle by embedding and doping the lithium element; and the multilayer composite film is a carbon film layer and a doped composite film layer composed of the carbon film layer and other elemental components. The doped multi-layer core-shell silicon-based composite material provided by the present invention has a high capacity, good rate performance, high coulombic efficiency, good cycle performance, a low expansion rate, and other electrochemical characteristics when the material is used for the negative electrode of lithium ion battery.

The invention relates to an integral rigid runner droplet digital PCR system. The system comprises a power device, a droplet generation device, a rigid thermal circulation runner, a thermal circulation temperature control module, a fluorescent detection controller and a PC control module. A rigid thermal circulation pipeline has high heat conducting performance, and a rigid wall surface has low roughness and small relative deformation. The integral rigid runner droplet digital PCR system can be used for online detecting a droplet in real time by adopting the droplet generation device with a high loading capacity and a terminal fluorescent detection system, and has the characteristics of flexible temperature control, safety, no need of a special PCR reaction chip, high fluorescent detection flux, high sensitivity and the like; and the system can avoid the problems of measurement accuracy reduction and the like caused by droplet breakage and mutual fusion among droplets since the traditional droplet digital PCR equipment needs to manually transfer droplets in different reaction modules. The whole system forms a highly-integrated design by droplet generation, PCR reaction thermal circulation and terminal droplet fluorescent real-time online detection.

This substrate for power modules is obtained by laminating and bonding a copper plate, which is formed of copper or a copper alloy, onto the surface of a ceramic substrate (11). A nitride layer (31) is formed on the surface of the ceramic substrate (11) between the copper plate and the ceramic substrate (11). An Ag-Cu eutectic structure layer (32) having a thickness of 15 [mu]m or less is formed between the nitride layer and the copper plate.

The invention relates to a nano porous silicon alloy material and a preparation method thereof and provides a method for preparing a nano porous silicon alloy material by corroding multi-element alloy. As a nano-structured bulk material, the material prepared by using the method is high in performance and stability and is suitable for large-scale production. According to the technical scheme, the nano porous silicon alloy material comprise silicon and silver or one of 3d elements, wherein the 3d elements comprise Cu, Zn, Co, Ni and Fe; and the preparation method of the nano porous silicon alloy material is a free corrosion method. The nano porous silicon alloy material and the preparation method thereof have the beneficial effects that operation is simple, structural components are controllable and adjustable, yield is high, no target material loss is generated, and large-scale production is easily realized.

A solar battery including a transparent conductive film; and a solar battery element, wherein the transparent conductive film is bonded to a surface of the solar battery element, and the transparent conductive film is electrically connected to the solar battery element.

Disclosed is a polyarylene sulfide resin composition containing 100 parts by mass of a polyarylene sulfide resin (A), 0.1-8 parts by mass of a metal fine particulate (B) containing at least one metal type selected from a group comprised of copper, nickel and zinc, and 0.1-5 parts by mass of a thermoplastic elastomer (C); further disclosed is a fluid pipe material obtained by forming said resin composition. This fluid pipe material has high hardness at low temperatures, suppresses damage and rupturing of the pipe due to freezing, and resists creep deformation at high temperatures, and thus is useful as a water supply pipe, a water heater pipe, and the like in cold climates.

A laminated coil device includes a magnetic part (5) that includes a metallic magnetic material and a first glass component, and a non-magnetic part (6) that includes a ceramic material and a second glass component, and a coil conductor (1) is formed such that at least a main surface of the coil pattern contacts the non-magnetic part (6). The magnetic part (5) is formed such that the volume content of the first glass component in the total of the metallic magnetic material and the first glass component is 46 to 60 volume%. The non-magnetic part (6) is formed such that the volume content of the second glass component in the total of the ceramic material and the second glass component is 69 to 79 volume%. As a result, it is possible to achieve a highly reliable laminated coil device and manufacturing method therefor which can provide good high-frequency characteristics and good magnetic characteristics without impairing insulation, and can reduce the occurrence of structural defects such as cracks or peeling.

A form rolling method for an involute gear, which includes a work piece (10) including a cylindrical outer peripheral surface having a predetermined radius, and a round die (20) with an Involute tooth profile including an addendum pitch corresponding to a pitch defined by dividing a length of an outer circumference of the work piece (10) by number of teeth of the involute gear. The round die (20) is pressed to the work piece(10) while rotating when form rolling the involuete gear.

The invention provides a porous silicon composite negative electrode material including a porous silicon substrate, a first conductive material layer composited on the surface of the porous silicon substrate, and a nano silicon-based material composited on the surface of the first conductive material layer. Firstly, a conductive material is coated for a first time, then the surface of the conductive material layer continues to be composited with the nano silicon-based material, and the porous silicon composite negative electrode material is obtained; the relatively high first charge / discharge efficiency of the porous silicon material is used, the conductive material coating the surface of the porous silicon material can increase the electrical conductivity of the composite material, can inhibit the porous silicon material from expanding outward to prevent rupture, and improves the cycle stability; after the surface is composited with the nano silicon-based material, better cycle performance is achieved, and the cycle performance of the porous silicon material composite material can be improved; and in addition, the preparation method has the advantages of simple operation, safety, high universality and low costs of production and is suitable for industrialized production.

The invention relates to ultra-low-density rigid polyurethane foam with pentane and butane as foaming agents. The ultra-low-density rigid polyurethane foam is prepared by well premixing a component Aand a component B, and then well mechanically mixing and foaming the component A and the component B, wherein the component A is prepared from the components in parts by weight: 100 parts of pluronicpolyols, 4-15 parts of the pentane, 1-5 parts of a catalyst, 1-5 parts of an organosilicon surfactant, 1-2.5 parts of water and 0-3 parts of a nucleating agent, the component B is prepared from the components in parts by weight: 2-12 parts of the butane and 120-210 parts of polyisocyanates, and raw materials are based on 100 parts of pluronic polyols. According to the prepared foam, foam holes arefine and uniform, the heat conductivity coefficient is small, the compression strength is high, and the overall performance is excellent. The invention further discloses a preparation method of the rigid polyurethane foam.

The invention discloses a large-diameter corrugated pipe vibration forming device and a method. The forming device mainly consists of a mandrel, a corrugated core mold, a connecting disc, forming wheels, a support frame and a vibrating device. The corrugated core mold coats the mandrel, and is connected with a flange at the bottom of the mandrel and the connecting disc at the end part to form an integral mold. A pipe blank coats the outer surface of the corrugated core mold; left and right end clamping jaws are arranged at the two end parts of the pipe blank; and the forming wheels are distributed on the outer side of the pipe blank. After the clamping jaws clamp the pipe blank, the pipe blank rotates around the axis, the vibration excitation is applied to the forming wheels, and the forming wheels radially and axially feed the pipe blank. All traditional forming processes are synthesized; the friction force between the metal pipe blank and the forming mold is effectively reduced by a vibration exciting device; and when high-frequency vibration excitation is applied, the deformation resistance of the metal pipe blank can be reduced, the corrugation and breakage generation and development of the pipe blank are inhibited, the size precision of large-wave high corrugated pipes is guaranteed, and the surface smoothness of formed workpieces is increased.

The purpose of the present invention is to provide a film-like battery packaging material in which a coating layer, which can be cured in a short time and exhibits superior chemical resistance, is provided to a substrate layer surface. In the battery packaging material, which comprises a laminate body that includes at least a coating layer (1), a substrate layer (2), an adhesive layer (3), a barrier layer (4), and a sealant layer (5), in that order, the use of a resin composition containing a heat-curable resin and a curing accelerator as the coating layer (1) enables the formation of a coating layer that can be cured in a short time and contributes to electrolyte liquid, etc., resistance.

To simplify a mold by simplifying a shape of a resin mat. In a tile T which is placed on a mat surface 23 of the resin mat 20, a backside Tr of the tile is superposed on the mat surface 23. In this state, an adhesive S is interposed inside a through-hole 30, and cured by adhering to the backside Tr of the tile T on the side of the mat surface 23. Additionally, the adhesive S is cured on the side of the undersurface 26 of the mat in such a shape as to protrude to the undersurface 26 of the mat around the through-hole 30. In other words, the adhesive S brings about an anchor effect because an anchor-shaped part Sa itself, which is cured by protruding from the through-hole 30, carries out the function of preventing the separation of the tile T from the resin mat 20.(C)2004,JPO&NCIPI.

The invention provides a passive containment cooling system provided with heat pipe liquid guide devices. The system comprises an inner containment, an outer containment, a cooling device arranged at the top of the outer containment, the heat pipe liquid guide devices arranged on the inner containment as well as a guiding device which is arranged between the inner containment and the outer containment and used for guiding air circulation; a cooling agent is sprayed on the inner containment from the top, and a liquid film is formed. By means of the heat pipe liquid guide devices, on one hand, breakage of the liquid film can be inhibited, the heat exchange efficiency between the liquid film and air is improved, and heat on the surface of the inner containment is discharged out of the inner containment; on the other hand, heat on containment surface which is not covered with the liquid film can be guided into heat exchange space between the inner containment and the outer containment and finally discharged out of the outer containment. The passive containment cooling system provided with the heat pipe liquid guide devices has the characteristics of high-efficiency heat exchange, safety, reliability, wide application range and the like.

A high pressure discharge lamp includes a vessel made mainly of quartz including a luminous portion and side tube portions extending from both sides of the luminous portion; mercury enclosed in the luminous portion; a metal foil buried in each of the side tube portion; and an electrode rod, one end of which is connected to the metal foil and the other of which is extending to the luminous portion. The electrode rod has a surface area increase structure for increasing a surface area in at least a part of a portion buried in the side tube portion. A sealing portion glass containing at least one metal material selected from the group consisting of metals and metal oxides thereof is provided in a portion of the side tube portion including at least a part of the metal foil, a connection portion between the metal foil and the electrode rod and a part of the surface area increase structure.

The invention provides a pre-molding body, which has edges which are overlapped and jointed with each other. The invention also includes a first external component and a second external component used for forming the outer surface of the hydraulic-pressure molded product; and a reinforcing component, which is jointed to the first external component and the second external component so as to form reinforcing ribs. The reinforcing ribs partitions the hollow cross section of the outer surface. The reinforcing component has such sizes which can restrain the stretch along the tensile force direction; the stretch is due to the tensile force produced during the hydraulic-pressure molding.

Provided are a process for producing a zeolite film which, even when large, has few defects and which has higher separation performance than conventional zeolite films, and a zeolite film obtained by the process. In the process, a zeolite film containing a structure-directing agent and formed on a substrate through hydrothermal synthesis is heated in an atmosphere having an O2 concentration of 22.0 vol% or higher, thereby removing the structure-directing agent. The process includes: a particle adhesion step in which a slurry containing, dispersed therein, zeolite particles serving as seeds is caused to flow down the surface of a substrate by means of the weight of the slurry itself, thereby adhering the zeolite particles to the substrate; and a film formation step in which the substrate to which the zeolite particles have been adhered is immersed in a sol and subjected to hydrothermal synthesis, thereby forming a zeolite film on the substrate.

The invention relates to the technical field of biology, in particular to a purpose of an HSP90 inhibitor in preparation of medicine for preventing and treating aortic diseases. The HSP90 inhibitor is used for preparing medicine or a reagent for preventing or treating aortic dissection. The invention also provides a method for screening potential substances for preventing or treating the aortic diseases, and a method for preventing or treating the aortic diseases of mammal. The invention discloses the purpose of the HSP90 inhibitor for specially inhibiting the aortic dissection cracking for the first time, and discloses the close relevancy of the HSP90 expression to the aortic diseases for the first time, so that a novel target point is provided for the large vessel disease prevention and treatment.

The invention belongs to the tunnel support technical field, and discloses an anti-rock burst wave-absorbing energy dissipation anchor pole comprising an anchor head, a wave-absorbing damper, a rod body, a tray and a fastener; the wave-absorbing damper is connected between the anchor head and the rod body; when the rod body axially moves relative to the anchor head, the wave-absorbing damper can move to resist the rod body motions, thus restoring initial state of the rod body. The anti-rock burst wave-absorbing energy dissipation anchor pole can prevent rock cracking, tension damages and rock burst, can prevent rock burst, and can limit the rock burst scale.