34results about How to "No cracking problem" patented technology

The invention relates to a capacitive biometric feature recognition sensor which comprises a first conductive layer, a second conductive layer and an insulating layer, wherein the first conductive layer includes a plurality of first electrode wires distributed in a mutually-isolated mode, the second conductive layer includes a plurality of second electrode wires distributed in a mutually-isolated mode, the projections of the second electrode wires on the plane where the first electrode wires are arranged intersect with the first electrode wires, and the insulating layer is arranged between the first conductive layer and the second conductive layer. According to the capacitive biometric feature recognition sensor, mutual-induction conductance is formed through the mutually-isolated first electrode wires and the mutually-isolated second electrode wires, whether a subcutaneous layer is in contact with mutual-induction conductance can be detected according to the change of capacitance, the CMOS semiconductor technology does not need to be adopted to form a fingerprint recognition sensor on a substrate, the problem of breakage due to pressing with great force does not occur, and the cost is reduced.

The invention discloses a composite artificial stone table board and a preparation method thereof. The composite artificial stone table board comprises a surface layer and a base material layer, wherein the surface layer is prepared from raw materials, namely, quartz sand, quartz powder, a curing agent, an accelerant, a solvent, multifunctional epoxy resin, a coupling agent, a pigment and heat-conducting powder; the base material layer is prepared from raw materials, namely, aluminum hydroxide powder, quartz powder, a curing agent, an accelerant, a solvent, multifunctional epoxy resin, a coupling agent and a glass mat. The composite artificial stone table board has the advantages that the table board is high in strength, high in torsion and bending deformation resistance, high in heat conductivity coefficient, quick in heat dissipation, good in heat resistance and flame-retardant, does not age and yellow easily and the like, and the table board is suitable for popularization and application.

The invention provides a stereo display panel, which is provided with an active zone and a circumferential zone, the stereo display panel comprises a display panel and a screen panel disposed at one side of the display panel, wherein the screenpanel comprises: a first substrate and a second substrate oppositely disposed, wherein the first substrate and the second substrate comprise a cycloolefin copolymer or a cycio olefins polymer; a first electrode layer and a second electrod layer respectively disposed at the first substrate and the second substrate and in the active zone; a first bonding layer and a second bonding layer respectively disposed on the first substrate and the second substrate and in the circumferential zone; a first alignment layer covering the first electrode layer and the first adherence layer; a second alignment layer covering the second electrode layer and the second adherence layer; and a liquid crystal layer disposed between the first alignment layer and the second alignment layer.

The invention relates to a preparation method of a filled baked wheaten cake and belongs to the technical field of food. The technical scheme is as follows: step one, 2 g of yeast is dissolved in water, the obtained solution is uniformly mixed with 400 g of flour, 10-30 g of vegetable oil and 60-70 g of eggs, the obtained mixture is mixed with water, and then kneading is carried out to form uniform and soft dough, and the dough is covered with a preservative film and fermented to be 2 times the size of the dough in a warm place; step two, filling is prepared; step 3, dough pieces in proper size are prepared from the fermented dough according to the preference, and wrappers which are thin on the periphery and thick in the middle are prepared with a rolling pin; step four, the wrappers are filled with the filling with closing openings facing downwards and then flattened by pressing; step 5, after a pot of cakes are prepared, the cakes can be properly rested for 10 min according to the degree of dough, oil is placed in an electric baking pan, the cakes are put and coated with oil, the electric baking pan is covered for baking, and turning can be conducted several times during baking;and step 6, the baked cakes are placed in a charcoal fire grill to be baked over charcoal fire until no oil layers exist on the surfaces. The purpose is achieved with the technical scheme.

The invention discloses a manufacturing method for vanes of a vane pump. The manufacturing method comprises the following steps: step I, using a band sewing machine to cut out basic vane blank, and unloading the basic vane blank; step II, milling double side surfaces of the vane blank through a milling machine; step III, flatly grinding the vane blank milled by the milling machine; step IV, thermally treating the flatly grinded vane blank; step V, grinding the thickness and the height of the vane blank subjected to thermal treatment, and performing rough polishing on the vane blank; step VI, grinding one side, which is in contact with a pressurizing cavity, of the vane blank; step VII, grinding height and width of vane semi-finished products, and performing rough polishing on the vane semi-finished products; and step VIII, cleaning the sorted vane finished products. According to the manufacturing method for the vanes of the vane pump disclosed by the invention, the steps I to VIII areset, so that vanes can be effectively produced; and moreover, in the production process, multiple parts of the vanes are grinded by many times, so that smoothness of the vanes is effectively improved.

The embodiment of the invention discloses a method for manufacturing a packaging product with the metalized side wall. Metallization is conducted on the side wall after packaging is conducted, metallization can be conducted on the side wall without forming a groove in the process of manufacturing a substrate, and therefore manufacturing of the substrate is simplified. When the packaging process is conducted, due to the fact that the groove has not been formed in the substrate for metallization of the side wall, no special jig is needed when processing is conducted through the vacuum absorption technology, and therefore positioning is very easy to conduct, the packaging process is simplified, the process complexity of the packaging product with the metalized side wall is lowered, production cost is reduced, and work efficiency is improved. When the packaging process is conducted, the groove has not been formed in the substrate, the strength of the substrate is ensured, the problem of substrate cracking caused by improper force exertion can not occur, and therefore the product quality is ensured. In addition, due to the fact that the accuracy of groove forming in the packaging process is higher than the accuracy of groove forming in the substrate manufacturing process, the number of packaging substrate units which can be arranged on a strip is increased. In addition, machining of multi-electrode packaging products with the metalized side walls can be achieved through the method.

The invention relates to the technical field of heat preservation construction materials, in particular to an anti-freezing anti-cracking cement foaming heat preservation board. The heat preservationboard is prepared from cement, coal dust, water glass, a cold-resistant flexibilizer, aluminum oxide fibers, a foaming agent, a foam stabilizer, a water reducer, an anti-freezing agent and water, wherein the cold-resistant flexibilizer is a novel material compound by various elastic materials, high-hardness fillers and the like. Cement is a mixture made by blending Portland cement with magnesium oxychloride cement according to a mass ratio of 8:1; the water reducer is a lignin water reducer or a poly-carboxyl water reducer or a melamine water reducer; the foaming agent is hydrogen peroxide; the foam stabilizer is calcium stearate; the anti-freezing agent contains propylene glycol butyl ether, glycol butyl ether acetate and diethylene glycol. The thermal conductivity of the heat preservation board is low, and the heat preservation performance is great. The cold-resistant anti-freezing performance of the materials is great, the tenacity is high, and the heat preservation board is not easily fractured at low temperature.

The invention relates to a preparation method of a high-toughness and high-strength black zirconia ceramic material, and belongs to the technical field of zirconia ceramics. According to the preparation method, a hydrolytic polymerization method and a microwave crystallization process are adopted to regulate and control the uniformity of powder components, the black zirconium oxide ceramic powderwith high sintering activity and uniform dispersion is provided, and then the black zirconium oxide ceramic powder is preformed; and high-temperature sintering is performed on the preformed ceramic blank to obtain the high-toughness high-strength black zirconia ceramic material. The product prepared by the invention does not contain toxic chromium element, has uniform chemical components, stable black chromaticity, high blackness, high toughness, high strength, good aging resistance and good product consistency and stability, and is suitable for being applied to various fields.

The invention provides an edge beam type automobile frame applied to the field of automobile chassis parts. A left front reinforcing block (23) welded to the outer side face of a left longitudinal beam (1) is simultaneously welded to the end of a left front connecting rod (14) penetrating through the left front reinforcing block (23). A right front reinforcing block (24) welded to the outer side face of a right longitudinal beam (2) is simultaneously welded to the end of a right front connecting rod (15) penetrating through the right front reinforcing block (24). The edge beam type automobileframe is simple in structure, connection between the longitudinal beams and crossbeams can be stably and reliably achieved, the overall rigidity of the automobile frame is effectively improved, the automobile frame cannot deform when bearing a large load or large impact in the traveling process, the problem that the portions of welding joints crack can be solved, and the bearing force is increased.

The invention discloses a glass sheet feeding mechanism which comprises a bed frame. A glass sheet containing and placement table, a horizontal guide rail, a sliding seat, an air cylinder, sliding rods and suction cups are arranged on the bed frame. The glass sheet locating and containing table is used for containing to-be-grabbed glass sheets. The horizontal guide rail is horizontally fixed abovethe glass sheet locating and placement table. The sliding seat is in sliding connection to the Y-direction guide rail. The air cylinder is fixed to the sliding seat and provided with an air cylindershaft stretching out vertically downwards. The lifting seat is connected with the air cylinder shaft of the air cylinder so as to be driven by the air cylinder to move up and down. The sliding rods vertically penetrate through the sliding seat and can slide up and down relative to the lifting seat. Limiting parts used for preventing the sliding rods from sliding out of the lifting seat downwards are arranged at the top ends of the sliding rods. The suction cups are connected to the lower ends of the sliding rods, and suction nozzles of the suction cups are vertically downward. The glass sheetfeeding mechanism solves the problem that the glass surface is scratched or broken when an existing feeding mechanism picks up glass.

The invention provides a motor vehicle frame structure which is applied to the field of vehicle chassis parts. A front left hole (5) is formed in the front portion of a left longitudinal beam (1) of the motor vehicle frame structure, and a front right hole (6) is formed in the front portion of a right longitudinal beam (2); one end of a front cross beam (3) penetrates through the front left hole (5), and the other end of the front cross beam (3) penetrates through the front right hole (6); and a front left protruded block (31) arranged on the upper surface of the front portion of the left longitudinal beam (1) is arranged on the position, located above the front left hole (5), of the left longitudinal beam (1), and a front right protruded block (32) arranged on the upper surface of the front portion of the right longitudinal beam (2) is arranged on the position, located above the front right hole (6), of the right longitudinal beam (2). According to the motor vehicle frame structure, the structure is simple, the integral rigidity of a vehicle frame can be effectively improved, when large loads or impact are borne by the vehicle frame in the travelling process, the problems that thevehicle frame deforms, and welding joints crack can be avoided, the bearing capacity is effectively improved, and the safety accident is avoided.

The invention discloses a carburization and QPQ treatment complex technique and application thereof, and belongs to the technical field of valve body heat treatment. The technique comprises the stepsthat a. a workpiece made of low-carbon alloy steel is selected; b. the workpiece in the step a is put into a carburizing furnace to be subjected to deep carburization treatment, the temperature is 920-940 DEG C, and 4-7% of BaCO<3> is adopted as an energizer; c. quenching is conducted, the core hardness of the quenched workpiece is guaranteed to be HRC 34-40, the surface hardness is HRC 59-62, andthe carburization depth is 2.2-2.5 mm; d. tempering is conducted twice at the temperature of 180 DEG C; and e. QPQ salt bath complex technological treatment is conducted. The complex technique is applied to valve bodies and valve seats adopted by petroleum drilling and natural gas drilling. The technical problems that the strength of an existing valve body is not enough in the using process, an carburization layer is uneven, and the valve body is prone to shattering and cannot be used for acid fracturing are solved.

The invention discloses a covering layer structure for restoring contaminated soil through thermal desorption. The covering layer structure is paved on the ground (1) of a contaminated soil area and comprises a pebble layer (2), a lower-layer steel plate (3) and a concrete layer (4), wherein the pebble layer (2) is paved on the ground (1); the lower-layer steel plate (3) is paved on the pebble layer (2); and the concrete layer (4) is arranged on the lower-layer steel plate (3). According to the covering layer structure, the pebble layer is paved on the ground of the contaminated soil area, thelower-layer steel plate is paved on the pebble layer, and the concrete layer is poured on the lower-layer steel plate, so that dissipation of contaminated steam can be prevented; the lower-layer steel plate can play an excellent sealing effect and also can solve the technical problems about crack and steam leakage caused by the traditional concrete as a covering structure to realize an excellentin-situ restoration effect through thermal desorption.

The invention discloses a composite backboard of a photovoltaic module, the composite backboard is in direct contact with a battery string layer, the composite backboard and the battery string layer are packaged into a whole through a lamination process, the composite backboard adopts a single-layer structure, and the raw material of the single-layer structure comprises a component A, a component B and a component C, wherein the component A comprises the following raw materials: polypropylene resin, a first polyester resin curing agent and chopped glass fibers; the component B comprises the following raw materials: polyester resin, a second polyester resin curing agent and chopped glass fibers; the raw material of the component C comprises EVA resin; the curing temperature of the polyester resin is higher than the melting point of the polypropylene resin; the temperature of the lamination process is higher than the curing temperature of the polyester resin; the composite backboard prepared by the invention has good water vapor barrier permeability, insulativity, flame retardance, weather resistance and deformation resistance, keeps good plastic processing performance and adhesion performance, does not need to be independently provided with an adhesive layer, and can be directly contacted and laminated with the battery string layer.

The invention provides an automobile frame structure applied to the field of automobile chassis parts. One end of a front cross beam (3) of the automobile frame structure penetrates through a front left hole (5), and the other end of the front cross beam (3) penetrates through a front right hole (6); front left triangular blocks (7) are welded to the positions of the inner side face of a left longitudinal beam (1) and one end of the front cross beam (3), and front right triangular blocks (8) are welded to the inner side face of a right longitudinal beam (2) and the other end of the front crossbeam (3); one end of a rear cross beam (4) penetrates through a rear left hole (9), and the other end of the rear cross beam (4) penetrates through a rear right hole (10); and rear left triangular blocks (11) are welded to the positions of the inner side face of the left longitudinal beam (1) and one end of the rear cross beam (4), and rear right triangular blocks (12) are welded to the inner side face of the right longitudinal beam (2) and the other end of the rear cross beam (4). The automobile frame structure is simple in structure and cannot deform when an automobile frame bears large load or impact during travelling, the problem of cracking of welding joint parts does not occur, and bearing capability is effectively improved.