69results about How to "Guaranteed shape stability" patented technology

The invention discloses a continuous carbon fiber reinforced crucible preform and a preparation method thereof. The preform is molded from basic unit layers and continuous fiber reinforced layers through needle punching; the bottom of a crucible and a connection area of the side and the bottom of the crucible are respectively reinforced by using the continuous fiber winding and laying technology, so the content of continuous fibers connected in an integral structure is effectively increased, strength needed during high load and high swelling stress conditions is guaranteed, cracking of the crucible or disconnection of the connection area of the side and the bottom of the crucible is prevented, and excellent shape stability can be maintained. Thus, the preform has excellent mechanical properties and a stable structure; after carbon / carbon composition, the crucible has good resistance to expansion, good structural stability, high thermal conduction efficiency and a long service life under a high load condition and can meet usage requirements of large-size crystalline silicon furnace crucibles.

The invention provides a three-dimensional simulation pressure relief coal and rock mass permeability characteristic test system which comprises a coal and rock mass sealing tank, axial pressure and confining pressure loading devices, constant-pressure gas loading and flow monitoring system, a stress monitoring system and a strain monitoring system. The coal and rock mass sealing tank comprises a protective layer and a protected layer, the protective layer is divided into a center stoping region and a boundary protective region, a simulation stoping layer is arranged in the center stoping region and comprises a plurality of pressure-bearing flexible air bags, the pressure-bearing flexible air bags are sequentially arranged along stoping directions and are enclosed by a rectangular frame, every two adjacent pressure-bearing flexible air bags are relatively positioned at intervals by a partition plate, and a guide pipe is connected with each pressure-bearing flexible air bag and extends out of the coal and rock mass sealing tank. The three-dimensional simulation pressure relief coal and rock mass permeability characteristic test system has the advantages that true stress conditions of the periphery of the protective layer in stoping procedures can be truly simulated by the three-dimensional simulation pressure relief coal and rock mass permeability characteristic test system, accordingly, strain-stress and permeability measurement results are close to reality, and equipment bases can be provided for designing exploitation pressure relief effect analysis and pressure relief gas extraction schemes for protective layers.

The present invention provides a cable or the like protection and guide device which accommodates a cable or the like while allowing for examination of the cable. Smooth linear and flexional movement is achieved while not compromising the form stability of the cable accommodation space. Partial or local wear is suppressed. The device is made of a synthetic resin and accommodates a cable in a rectangular cable accommodating space. The accommodating space is surrounded by the outer circumferential wall portion, which is openable, a pair of side wall portions, and an inner circumferential wall portion. Inserting protrusion mechanisms, engagement mechanisms, slits, opening windows and flexion restricting piece portions contribute to the stability and usefulness of the device.

A three-dimensional multilayer fabric is provided. The fabric comprises a surface layer, a backing layer, and an intermediate layer connecting the surface layer and the backing layer. The surface layer includes sequential unstitched surface portions and sequential stitched surface portions formed in an alternating and repeating pattern. The unstitched surface portions of the surface layer are essentially composed of surface warp threads only, and the stitched surface portions of the surface layer are composed of the surface warp threads and intermediate warp threads. The backing layer includes sequential unstitched backing portions and sequential stitched backing portions formed in an alternating and repeating pattern. The unstitched backing portions of the backing layer are essentially composed of backing warp threads only, and the stitched backing portions of the backing layer are composed of the backing warp threads and the intermediate warp threads. The intermediate warp threads are woven without interlacing with weft threads on the surfaces of the unstitched backing portions. The intermediate layer includes sequential intermediate portions composed of the intermediate warp threads only. Each of the in not termediate portions consists of a first intermediate portion and a second intermediate portion connected to the stitched surface portions and the stitched backing portions in an alternating and repeating pattern. The connecting warp threads of the intermediate layer exposed to the outside of the backing layer are sheared. Further provided is a method for the production of the fabric.

The invention relates to an organosilicon sealing glue with moderate toughness, and a preparation method thereof, and belongs to the technical field of organosilicon sealing glues, wherein the organosilicon sealing glue comprises medium-viscosity [alpha],[omega]-dihydroxy polydimethylsiloxane, low-viscosity [alpha],[omega]-dihydroxy polydimethylsiloxane, dimethyl silicone oil, dimethyl dibutanoneoximido silane, polyethylene glycol, fumed titanium dioxide, nano-scale calcium carbonate, methyltriacetoxysilane, di-tert-butoxydiacetoxysilane, dioctyltin dilaurate, stannous octoate, and methylphenyl bis(N-methylacetamido)silane. The organosilicon sealing glue of the present has moderate toughness within a controlled range.

The invention discloses a manufacturing method of a trench type double-layer gate MOSFET, which comprises the following steps of: forming a plurality of trenches which comprise a plurality of gate trenches and at least one source lead-out trench; forming a bottom dielectric layer and source polysilicon; forming an inter-polycrystalline silicon oxide layer by adopting an HDP CVD deposition and backetching process; forming a gate dielectric layer; performing polycrystalline silicon deposition to form a second polycrystalline silicon layer; etching back the second polycrystalline silicon layer,forming a polycrystalline silicon gate by the second polycrystalline silicon layer filled in the gate trench after etching back, and reserving the remaining second polycrystalline silicon layer on theside surface of the source lead-out trench; carrying out growth of an under-metal dielectric layer, wherein the growth thickness being greater than a target thickness, and the growth thickness of theunder-metal dielectric layer satisfying complete filling of a gap region in the source lead-out trench; carrying out wet etching to reduce the thickness of the metal lower dielectric layer to a target thickness; performing etching to form an opening of the contact hole, and filling metal. The process cost can be reduced, and the product quality can be improved.

The invention relates to a preparation method for a ceramic bond diamond grinding wheel and belongs to the technical field of ceramic materials. A ceramic bond prepared by the invention can realize low-temperature sintering of the diamond grinding wheel; the ceramic bond has the thermal expansion performance with a diamond abrasive material, so that thermal stress is generated between diamond abrasive particles and the ceramic bond during working of the grinding wheel can be avoided or reduced, and the bonding holding capacity of the bond to the diamond abrasive particles is improved; the ceramic bond has relatively high toughness, and with appropriate toughness, the cutting effect of a micro-edge of the diamond abrasive material can be guaranteed, the impact resistance during grinding ofthe grinding wheel is improved, and the shape stability of the grinding wheel is ensured; and the ceramic bond has good wetting coating performance to the diamond abrasive material, so that improvement on the bonding strength between the ceramic bond and the diamond abrasive material as well as the overall strength of the grinding wheel are facilitated. For the preparation method, by adding lanthanum oxide rare-earth metal oxides or other subgroup metal oxides, the glass network structure can be effectively optimized, the properties, including the strength and the hardness, of the ceramic bondare improved, and the grinding performance of a diamond grinding tool is enhanced.

The invention relates to a method for producing a battery module which comprises a plurality of battery cells, in which method a module housing (12) of the battery module is provided in a first step. A core arrangement (20) is introduced into the module housing (12), wherein a hollow space, which is to be provided in a cured encapsulation compound (26), is defined by a respective core (22) of the core arrangement (20). The encapsulation compound (26) is then introduced (S14) into the module housing (12). After the encapsulation compound (26) has been allowed to cure and the core arrangement (20) has been removed from the module housing (12), an electrode arrangement, which is associated with the respective battery cell, is arranged in the hollow space which is formed in the cured encapsulation compound (26). The invention further relates to a battery module.

The present invention relates to a guiding device (1) for guiding a chain-drawn sword plane which comprises a guiding element (10) consisting of a conveying shute (44) defined by the side section bar (42, 43) on the conveyor and a reversion groove (46) defined by the channel bar (16, 45) disposed at the filling side. The guiding device has an upper chain channel (12) and a lower chain channel (13) disposed with a guiding opening (14) for the planer prop. Each accommodating groove is constituted to be used to connect the clamping held for the clamping handle on the guiding element in order to connect the abutting the guiding device for guiding a chain-drawn sword plane. According to the invention, the guiding element is composed of the length extending cast for the guiding device for guiding a chain-drawn sword plane. On the cast the channel bar (16) at the filling side for each accommodating groove and / or the reversion groove and or the guiding part (16'', 15) for guiding a chain-drawn sword plane are casted as a whole.

The invention discloses an organic hole transport material taking phenanthroimidazole as a parent nucleus and application thereof. The compound takes triarylamine or carbazole as an electron donatingunit, takes imidazole with the characteristics of an electron donor and an electron acceptor as a parent nucleus, and has a structure shown in a structural formula (PI). The molecule is easy to synthesize and simple in process. The molecules have good thermal stability, have the characteristics of both electron donors and electron acceptors, and can effectively balance charge transfer. The molecules have the characteristics of Lewis base, and the prepared hole film has good morphological stability, can effectively passivate the interface of a perovskite layer and a hole transport layer, and can generate effective transfer of intramolecular holes. The compound can be used as a hole transport material in a perovskite solar cell, is applied to a positive structure perovskite solar cell and anegative structure perovskite solar cell, and shows excellent photoelectric conversion performance.

The invention relates to a bearing system for a printing press and the printing press. The bearing system can support a free end of a cylinder or roller with one end being hung on the printing press, especially a flexographic press and as a journal, wherein, the bearing system comprises a bearing housing which is moved transversely to a cylinder and roller longitudinal axis or slided parallely to a cylinder and roller longitudinal axis and a roller bearing, the roller bearing has a roller bearing outer ring and a cage-guided roller body. According to the invention, the roller bearing outer ring is connected with the bearing housing in the fastening planes aligned transverse to cylinder and longitudinal axis in force and positive-fit manner and the journal of the cylinder or roller is formed into a roller bearing inner ring. Alternatively, a single roller bearing inner ring can be arranged, and the roller bearing inner ring can be connected with the journal in force and positive-fit manner.

The invention relates to a method for connecting the open end of a thin-walled plastic tube (2) having an outside diameter of up to 5 mm (capillary tube) to a main tube (1) made of plastic and having a considerably larger diameter, such that the capillary tube projects radially from the circumferential surface of the main tube, and the interior of the capillary tube is connected to the interior of the main tube by way of a radial passage (3) configured in the wall of the main tube. One end of the capillary tube, which has an outside diameter that equals or is smaller than the diameter of the passage, is at least partially inserted into the passage from the outside, and at least part of the inserted end of the capillary tube and the immediately surrounding part of the wall of the passage in the main tube are subsequently heated in common. Said parts are thus softened such that they are fused to one another after cooling. The heating preferably takes place by inserting a heated punch (5) into the passage from the inside of the main tube.

The invention discloses a solid waste compact treatment system and method adopting vibration, negative pressure and thermalization technologies. The solid waste compact treatment system comprises an elastic supporting frame, a microwave heating container, a sliding sealed type upper pressing head, a sliding sealed type lower pressing head, a first air exhaust unit and a second air exhaust unit, wherein a volume-variable negative pressure thermalization compaction sealing bin is formed between the sliding sealed type upper pressing head vertically moving downwards to stretch into the microwaveheating container and the sliding sealed type lower pressing head vertically moving upwards to stretch into the microwave heating container; the volume-variable negative pressure thermalization compaction sealing bin is formed through air exhaust of the first air exhaust unit and the second air exhaust unit and is in a negative pressure state; and solid waste in the volume-variable negative pressure thermalization compaction sealing bin in the negative pressure state is extruded and matched in the opposite directions in the vertical direction through the sliding sealed type upper pressing headand the sliding sealed type lower pressing head to form a compact solid waste block. The solid waste compact treatment system and method have the beneficial effects of being environmentally friendly,good in compaction effect, firm in compaction and the like.

The invention relates to a biomass-based hydrogel antibacterial wound dressing. The hydrogel antibacterial wound dressing is composed of double gel film layers including a surface protection gel filmlayer and a bottom chitosan-based antibacterial film layer, and the two film layers are crosslinked into a whole through a Schiff base reaction between aldehyde-terminated four-arm polyethylene glycolin the bottom layer and polyacrylamide in the surface layer. The composite film has good biocompatibility, antibacterial property, skin adhesion, absorption swelling property, water-retaining property and water vapor permeability, also has excellent mechanical properties, and can be independently used as an antibacterial wound dressing.

A low-cost post-curing method for a fiber reinforced thermoset composite material 3D printing component comprises the steps that 3D printing of the fiber reinforced thermoset composite material component is conducted on a printing platform with dense small holes; repeatedly dipping the surface of the component to form a multi-layer solid silicone rubber film, completely wrapping the component and forming a flexible interface on the surface of the component, and uniformly pricking holes in the solid silicone rubber film by using a needle; then the printing platform and the component are integrally taken down, a solid silicone rubber film coated component which is wrapped and shaped by a vacuum bag and embedded with a powder material is manufactured, finally, the vacuum bag is continuously vacuumized to keep extrusion shaping, and a curing reaction is completed through segmented gradient heating of heating equipment. And removing the powder and the solid silicone rubber film to obtain a cured fiber reinforced composite material finished product. While sufficient flowing of resin and sufficient infiltration of fibers are guaranteed, the porosity of the component is reduced, and the original forming shape of the component is kept unchanged; the method has the advantages of low cost, recyclability and environmental protection.

The invention relates to a preparation method of a 3D printing material, and the preparation method comprises the steps of: adding 17-40 parts of cellulose to 60 to 83 parts of a solvent, swelling ata temperature of 80 to 120 DEG C, and shearing to obtain a cellulose solution; obtaining soft nylon, melting the soft nylon at melting temperature of 130 to 180 DEG C; mixing the cellulose solution with the melted soft nylon at mixing temperature of 130 to 180 DEG C to obtain the printing material. The preparation method of the 3D printing material solves the technical problem that a textile material directly used as a printing material is difficult to stack and form due to the softness of the textile material.

A continuous carbon fiber reinforced crucible preform and a preparation method therefor. The crucible preform is a quasi-three-dimensional fabric molded from a basic unit layer and a continuous fiber reinforced layer by needle punching. The bottom of the crucible and the connection area of the side wall and the bottom of the crucible are respectively reinforced by applying a continuous fiber winding and laying technology to the crucible preform, so that the content of continuous fiber throughout the integral structure is effectively increased, the desired strength during high load and high swelling stress conditions is guaranteed, the cracking of the crucible or the disconnection of the connection area of the side wall and the bottom of the crucible is avoided, and excellent shape stability can be maintained simultaneously.

The invention provides a mechanical support device for a semiconductor substrate processing microcavity, and the device comprises a horizontal first support plate, and a support ring which is fixedlydisposed above the first support plate; a moving seat which is in sliding sleeving fit with the support ring to form a sleeving fit space, wherein the interior of the sleeving fit space is provided with a drive unit which is fixedly connected with the support ring and the moving seat. The interior of an upper concave ring of the moving seat is provided with a lower cavity. The device also comprises an upper cavity which is used for forming the semiconductor substrate processing microcavity when the upper cavity makes contact with the lower cavity, wherein the upper cavity is fixed and adjustedto be level through a second support plate and a third support plate. According to the technical scheme of the invention, the drive unit controls the moving seat to move up and down relative to the support ring, so as to guide the lower cavity disposed in the moving seat and the upper cavity to close or open. Through a sleeving-fit structure between the support ring and the moving seat, the device directly controls the levelness of the moving seat during moving. Compared with the prior art, the device is simpler in structure, and is more stable in levelness.

The invention discloses a foot pad device for outdoor dining tables and chairs. The foot pad device includes a hoop used for being connected with the outdoor dining tables and chairs; a connection rodis vertically and fixedly arranged on the hoop, the connection rod is fixedly provided with a storage barrel, the bottom of the storage barrel is provided with a through hole communicated with the outside, the bottom surface of the storage barrel is fixedly provided with an annular electromagnet, the bottom surface of the annular electromagnet is fixedly provided with a plastic film used for blocking the through hole, magnetic mud is stored in the storage barrel, and the storage barrel is internally provided with a pressurization device acting on the magnetic mud; the portion, located betweenthe hoop and the storage barrel, of the connection rod is fixedly provided with a planar disk used for placing the dining tables and chairs, the pressurization device includes a pressurization platearranged in the storage barrel in a sliding mode, the upper surface of the pressurization plate is rotatably connected with a work rod, the top of the storage barrel is fixedly provided with a cover body, and the work rod penetrates through the cover body in a threaded mode and is communicated with the outside. According to the foot pad device, softness of the magnetic mud is made use of, the magnetic mud can be well used for filling gaps between various objects on the ground, the environment in which the tables and the chairs are placed is improved, and the stability of placement of the tables and the chairs in any environment is ensured.

The invention discloses a preparation method of parallel 8-shaped multi-dimensional crimped PA6 / PA66 double-component fibers and a product thereof. The preparation method comprises the following steps: PA6 slices are selected as one raw material, and PA66 is selected as the other raw material, wherein the mass ratio of the PA6 to the PA66 is 1: 2-2: 1; two-component spinning is carried out throughtwo screws, the screw temperature of the PA66 is set to be 270-300 DEG C, the screw temperature of the PA6 is set to be 240-270 DEG C, and POY pre-drawn yarn is prepared; and preparation of the PA6 / PA66 two-component composite DTY fiber is achieved: the prepared PA6 / PA66 two-component composite pre-drafted POY fiber is elasticized through an elasticizer to prepare the PA6 / PA66 two-component composite DTY fiber. The composite fiber is of a parallel 8-shaped multi-dimensional crimped structure, the hand feeling of the prepared yarn is cotton feeling and wool feeling, and the spun fabric has thestyle and comfort of a natural fabric and also has the characteristics of aging resistance and mildew resistance of chemical fibers.

An image pickup module is provided with: an electric cable (1); a solid-state image pickup element (22) having an image pickup section (21) orthogonal to the axis line direction of the leading end of the electric cable (1); and a flexible wiring board (30, 30A), which has an element mounting section (32) having the solid-state image pickup element (22) mounted thereon, two extending sections (34e, 35e) that are bent on both the sides of the element mounting section (32) and extending from the element mounting section (32) such that the extending sections are closer to each other when further from the element mounting section (32), two connecting piece sections (34f, 35f) extending in the axis line direction of the leading end of the electric cable (1) from the two extending sections (34e, 35e), said two connecting piece sections being on the side opposite to the element mounting section (32), and terminal sections (34c, 34d, 35c, 35d) that are connected to the electric cable (1) by being provided on the two connecting piece sections (34f, 35f), said flexible wiring board electrically connecting between the solid-state image pickup element (22), and the electric cable (1).

The invention provides a cool storage pool in a thermocline type water cool storage system and belongs to the field of energy storage. A hot water layer of the cool storage pool is internally provided with a first sponge, the upper end of the first sponge is provided with a first baffle, the lower end of the first sponge is provided with a second baffle, a plurality of water through holes are formed in the first baffle and the second baffle, the first baffle and the second baffle are both fixed onto the inner wall of the cool storage pool, the upper end of the first sponge is provided with an air-staying portion not immersed in the hot water layer, the bottom of the cool storage pool is provided with a second sponge, one end of the second sponge abuts against the bottom wall of the cool storage pool, the other end of the second sponge is in an arc shape and provided with an arc-shaped third baffle, a plurality of water through holes are formed in the third baffle, the third baffle is fixedly connected onto the inner wall of the cool storage pool, the inner wall of the cool storage pool is provided with a protruding first annular blocking edge and a protruding second annular blocking edge, in addition, the first annular blocking edge and the second annular blocking edge are both made of a magnetic material, the first baffle is adsorbed at the upper side of the first annular blocking edge, and the second baffle is adsorbed at the lower side of the second annular blocking edge. By means of the cool storage pool, the fact that the water flow is uniform and stable can be achieved, and water enters the cool storage pool at a slow flow velocity.

The invention provides a composite layer, a preparation method thereof and a lithium-sulfur battery. The composite layer comprises vanadium trioxide nanowires and carbon nanofibers which are wound with each other, and a polymer coating the vanadium trioxide nanowires and the carbon nanofibers. According to the invention, vanadium trioxide nanowires and carbon nanofibers are subjected to in-situ compounding, and a composite layer integrating high conductivity, strong adsorbability and an efficient catalytic function is constructed. The carbon nanofibers can provide a three-dimensional conductive transmission network, and electrons and lithium ions can be effectively transmitted. The polymer can modify the surface of the composite layer, and the stability of the composite layer is comprehensively improved. The composite layer can fully relieve the shuttle effect of polysulfide in the lithium-sulfur battery, improve the adsorption capacity of the polysulfide and promote the conversion of the polysulfide, and finally, the lithium-sulfur battery shows good rate capability and cycling stability.

The invention discloses a multifunctional Mahjong machine body which comprises four supporting legs and four beams. An opening is formed in the top end of each supporting leg, the lower side wall of each opening extends out to form a supporting rod perpendicular to the axis of the corresponding supporting leg, the supporting legs are inner hollow cylinder iron legs, electric heating module mounting openings are formed in the sides of the iron legs, electric heating module components are embedded into the electric heating module mounting openings and comprise arc-shaped electric heating modulesand bases mounted at two ends of the electric heating modules, electric heating wire groups are uniformly arranged on the backs of the electric heating modules, electric heating air outlets are formed in the fronts of the electric heating modules, the electric heating module components are provided with power supply wire openings, and fans are mounted at the top end of the iron legs. The multifunctional Mahjong machine body is convenient to disassemble, assemble and use, stable in structure and wide in use range and can be disassembled and assembled by one person, multi-direction heating is achieved, and the heating effect of an electric heater is improved.

An anisotropic conductive film and a semiconductor device using the same are disclosed. The anisotropic conductive film has a three-layer structure including a first insulating layer, a conductive layer, and a second insulating layer, wherein the stress-strain curve of the anisotropic conductive film has a value greater than 0 and less than or equal to 0.2 kg as expressed by Equation 1 below The slope A of force / (mm2 %), and the maximum stress (Smax) at or above 0.4 kgf / mm2: slope (A, unit: kgf / (mm2%)) =(1 / 2Smax‑S0) / x‑‑‑(1), where Smax: maximum stress, x: strain (%) at half (1 / 2) of the maximum stress, S0: stress at 0 strain. The anisotropic conductive film of the present invention has improved pre-compression properties, and can promote main compression by adjusting the slope A and the maximum stress so that the initial properties of the anisotropic conductive film before curing are controlled.