163results about How to "Good anti-leakage performance" patented technology

Ferroelectric PbZrxT1-xO3 (PZT) thin films are deposited on Pt coated Si substrates by using RF magnetron sputtering. A method for obtaining desirable stoichiometric PZT, the desired ferroelectric perovskite phase, and better dielectric properties using a PZT target with Pb/(Zr+Ti) ratio of 1.2 and depositing at 350° C., followed by thermal treatment at 620° C. for 30 min is disclosed. The structural and electrical properties of the PZT layer were further improved by a method of fabricating a novel multi-layer structure which combined the PZT thin film with nanolayers of BaTiO3. The method and device of the present invention provided reduced leakage current density while maintaining high relative effective dielectric constants.

A collapsible cooking container formed from a generally, rectangularly shaped paperboard blank folded along crease lines so as to have a bottom portion, a first side portion, a top portion, and a second side portion wherein the top portion and the first side portion are adapted to be attached to form a cube having opposed, open sides. The opposed, open sides are substantially covered when the collapsible cooking container is in an expanded condition by segments provided to the bottom portion, first and second side portions, and top portion that cooperate to form first and second collapsible sides.

A disposable undergarment is described which has an improved arrangement of leg- and crotch-region elastic members, such as to improve absorption capacity and fit.

The invention discloses a semi-interpenetrating polymer cement-based flexible facing brick, which comprises the following components, by weight part, 10-25 parts of a waterborne epoxy resin emulsion, 3-10 parts of a water-soluble epoxy resin curing agent, 1-5 parts of rubber elastomer, 1-5 parts of a fluorine-containing polyacrylate elastic emulsion, 15-25 parts of cement, 15-25 parts of stone flour, 30-50 parts of quartz sand, 5-15 parts of a fire retardant, 1-3 parts of inorganic pigment and 10-25 parts of water. A manufacturing method of the facing brick comprises: adding the components by weight part to a stirring vessel, performing full stirring to make a thick liquid, injecting the thick liquid to a die, and performing solidification and drying to obtain the facing brick. The manufacturing method is simple, and the obtained flexible facing brick is excellent in mildew resistance, water resistance, seepage resistance, wear resistance, thermal resistance and flexibility, is high in strength, and can be widely applied to building decoration materials.

The medical collagen material is made through the processes of chondroitin sulfate crosslinking, high temperature vacuum drying and ethylene oxide. Is has stable molecule structure and better anti-seepage and anti-stick performance, and is used in repairing cerebral dura mater, spinal dura mater and peripheral nerve.

The invention discloses a harmonic window function of vibration signal processing, and constructs the harmonic window function with adaptive window functions by means of a harmonic wavelet basic function. The method realizes window analysis of vibration signals better without reducing information points, and the harmonic window function has lower time-domain and frequency-domain leakage than other original window functions due to the characteristic of compact support. The method has a flexible time-domain analysis window and centering control and can select any interested frequency band to carry out analysis. The scheme can accurately detect and analyze complex vibration signals.

A valve stem (13) for use with a metering valve, said valve stem (13) comprising an elongate stem element (12) having an elastomeric sleeve (9) molded onto at least a portion thereof and a sealing element (16) having an inner surface (7), said sealing element (16) being affixed onto the elongate stem element (12), such that at least a portion of the inner surface (7) of the sealing element (16) is overlying at least a portion of the elastomeric sleeve (9); as well as methods of manufacturing such a valve stem.

The invention relates to the field of building decoration and provides a bathroom waterproof system which is simple in structure can convenient to construct and can effectively prevent water molecules in a bathroom from leaking outward and a construction method. The technical problems that in the prior art, the leakage proof effect of the bathroom is poor, the situation that a floor, a door sleeve and the like in a dry area mould and decay is quite prone to occurring, and the attractive degree of overall decoration is reduced are solved. The bathroom waterproof system comprises a bathroom floor base layer and a dry area floor base layer connected with the bathroom floor base layer. Ground decoration paving layers are laid on the surfaces of the bathroom floor base layer and the dry area floor base layer correspondingly. An elastic water retaining plate and the lower end of an elastic water retaining strip are arranged between the bathroom floor base layer and the corresponding ground decoration paving layer in a clamped mode, wherein the upper end of the elastic water retaining plate extends upward to the exterior of the ground decoration paving layer and connected on the bottom face of a doorsill plate in a closed mode, and the upper end of the elastic water retaining plate extends upward to the exterior of the ground decoration paving layer and connected with a cement mortar retaining strip in an airtight mode. The cement mortar retaining strip divides the corresponding floor decoration paving layer into a bathing area and a rest area.

The invention discloses a preparation method and application of a carbon fiber/silicon carbide composite porous skeleton with a directional heat conduction characteristic, and relates to the following steps: firstly, uniformly mixing silicon and silicon dioxide powder raw materials, then uniformly dispersing the silicon source mixture and a carbon fiber raw material in a binder solution, and obtaining a three-dimensional skeleton blank with an oriented porous structure through pre-freezing, freeze forming and vacuum freeze drying treatment, wherein the forming principle is that the orientation direction of the skeleton is regulated and controlled by utilizing the effect of an oriented ice template method to prepare the three-dimensional oriented ordered porous skeleton; and finally, carrying out high-temperature calcination treatment in an inert atmosphere, and generating silicon carbide by utilizing a carbon thermal reduction reaction, so as to prepare the carbon fiber/silicon carbide composite porous skeleton with the directional heat conduction characteristic. The prepared composite porous framework body can be used as a heat conduction filler to be applied to a phase change heat storage material and a thermal interface material, the heat conductivity coefficient of a compound is improved, and the characteristic of oriented heat conduction is achieved. The method is simple in preparation process, low in cost and wide in application.

The invention discloses an explosion-proof housing of a battery. The explosion-proof housing comprises a combined battery explosion-proof cover and an explosion-proof steel shell, wherein the combined battery explosion-proof cover is pressed into the upper part of the explosion-proof steel shell; the combined battery explosion-proof cover comprises a seal ring, a head cover, an explosion-proof sheet, an insulating ring and a pore plate; the head cover is clamped into one surface of the explosion-proof sheet; a cylindrical bump structure is arranged on the other surface of the explosion-proof cover; a conical bump is also arranged on the top part of the bump structure; a groove is formed between the cylindrical bump and an outer ring of the explosion-proof sheet; the insulating ring is located on the outer ring of the bump structure; the pore plate covers the insulating ring and is welded with the conical bump of the explosion-proof cover; and the explosion-proof sheet is arranged into the seal ring and is fixed to the seal ring through gel. Due to the design of the groove in the explosion-proof sheet, the explosion-proof sheet can be better combined with the seal ring; the probability of battery leakage is significantly reduced; and the explosion-proof housing of the battery has a technical progress in the field.

The present invention discloses an alkaline dry cell with a high capacity having a superior liquid leak resistant property. In this alkaline dry cell, the thickness of the trunk portion of an external can is made thinner than 0.18 mm, and the thickness of the sealing edge portion of the external can is set to not less than 1.4 times the thickness of trunk portion. An anode terminal plate is used as a supporting member for a sealing member. Over the entire outer circumferential portion of the anode terminal plate is placed a curved portion having an average curvature radius of not more than 1 mm, which shows a virtually C-letter shape or an arc shape in its cross-section obtained by cutting the anode terminal plate through its center in the thickness direction.

The present invention discloses an alkaline dry cell with a high capacity having a superior liquid leak resistant property. In this alkaline dry cell, the thickness of the trunk portion of an external can is made thinner than 0.18 mm, and the thickness of the sealing edge portion of the external can is set to not less than 1.4 times the thickness of trunk portion. An anode terminal plate is used as a supporting member for a sealing member. Over the entire outer circumferential portion of the anode terminal plate is placed a curved portion having an average curvature radius of not more than 1 mm, which shows a virtually C-letter shape or an arc shape in its cross-section obtained by cutting the anode terminal plate through its center in the thickness direction.

The invention provides a flexible-elastic shape-stabilized temperature-controlled multifunctional phase-change material and a preparation method thereof. The flexible-elastic shape-stabilized temperature-controlled multifunctional phase-change material comprises the following raw materials in percentage by mass: 75-85% of paraffin alkane phase-change material, 12-20% of olefin block copolymer, 2-8% of hydrogenated styrene butadiene block copolymer and 0.5-1% of cross-linking agent. The material is excellent in soft and elastic shaping effect, high in energy storage density and good in temperature control effect, and the phase change temperature within 18-65 DEG C is adjustable. The invention also provides a preparation method of the flexible-elastic shape-stabilized temperature-controlledmultifunctional phase-change material. The preparation method is wide in raw material source, low in cost, simple, environmentally friendly, safe and non-toxic, and the problems that in the prior art,the preparation process is complex, mass production is difficult, and the obtained material is limited in performance are effectively solved.

The invention discloses an integrated anti-leakage energy-saving noise reduction roof system which comprises a plurality of roof purlines and a compression metal roof. The roof purlines are mounted on a building, the compression metal roof is mounted on the roof purlines, a roof support structure is mounted on the compression metal roof and comprises supports and transverse beams, the supports are fixedly mounted on the compression metal roof, the transverse beams are arranged on the supports, rigid polyurethane foam is sprayed on the compression metal roof, waterproof ventilation films are laid on the rigid polyurethane foam, a noise reduction screen mesh covers the waterproof ventilation films, and an additional compression metal plate roof layer which is fixedly mounted on the transverse beams is arranged on the noise reduction screen mesh. The integrated anti-leakage energy-saving noise reduction roof system has the advantages that the anti-leakage capacity of the integral roof can be effectively improved, obvious energy-saving and heat-insulation effects can be realized, and noise in houses can be effectively lowered.

A prefabricated hollow reinforced concrete slab features that its both ends have the extended platforms at the bottom and the extended reinforcing bars for butt connection of two said slabs by welding and pouring concrete. Its advantages are high connection strength and high integrity.

The invention discloses a protective film for preventing infrared laser information leakage and electromagnetic information leakage. The protective film comprises a substrate layer; a conductive metal layer attached to the substrate layer in a sputter coating mode; a nanometer semiconductor layer attached to the conductive metal layer in a sputter coating mode; a nanometer heat-sensitive material layer attached to the nanometer semiconductor layer in a sputtering mode or a coating mode; a nanometer infrared absorption layer attached to the nanometer heat-sensitive material layer in a coating mode or a sputter coating mode; a nanometer photoluminescence layer bonded on the nanometer infrared absorption layer; a mounting adhesive layer adhered to the nano photoluminescence layer; and a protective layer adhered to the mounting adhesive layer. According to the invention, infrared laser information leakage and electromagnetic information leakage can be effectively prevented at the same time, and for infrared laser intrusion, the position of an infrared laser intrusion point on the protective film can be detected in real time, and an intrusion mark can be observed by naked eyes within a period of time after the intrusion infrared laser is removed.