47results about How to "Not easy to embed" patented technology

The invention relates to a direct shear test data acquisition instrument for a big visual model of reinforced earth. The direct shear test data acquisition instrument comprises a vertical loading system, a horizontal loading system and a shear box, wherein the shear box comprises an upper shear box and a lower shear box which are both filled with packing; the horizontal loading system comprises a push-pull electromotor and a sliding balanced pushing rod, and a displacement sensor and a pressure sensor are mounted on the push-pull electromotor; one end of the sliding balanced pushing rod is connected with the push-pull electromotor, and the other end of the sliding balanced pushing rod is connected with the lower shear box; a counterforce device is mounted on one side, far away from the sliding balanced pushing rod, of the lower shear box and connected with the upper shear box; transparent tempered glass is arranged on one side wall of the upper shear box in the shear direction, and a digital video camera is mounted in front of the tempered glass; a geotechnical material spring clip is mounted at one end of the lower shear box. The direct shear test data acquisition instrument is convenient to use, small in test error, precise test data and convenient to widely promote and use.

The invention relates to a method for preparing a rubber powder-supported pavement automobile exhaust degrading composite, which is a method for compounding rubber powder, titanium oxide powder having a photocatalysis function and a coupling agent. Due to a characteristic of huge specific surface area, the rubber powder can be used to absorb and carry the titanium oxide powder to a maximum degree and fully absorb and collect automobile exhaust over pavements. Therefore, the method has the advantages that: the photocatalysis function of the titanium oxide is effectively protected and fully used and the efficiency of the pavement automobile exhaust degradation of the titanium oxide is improved; meanwhile, due to the high elasticity of the rubber powder and the action of the coupling agent, corresponding products have high wheel rolling resistance and rain washing resistance and the service life of the photocatalysis is prolonged. The composite can be used on surfaces of traffic facilities needing automobile exhaust degradation, such as asphalt concrete and cement concrete pavements, tunnels and culverts.

The invention provides a stone-clamping preventing tyre, and relates to a tyre. The tyre comprises a tyre body and tyre surface patterns; first main channels in the shape of ring and second main annular channels in the shape of wave type ring are respectively arranged on two sides of the tyre surface patterns along a centre line; a central pattern block is formed between two first main channels; a plurality of side pattern blocks which are uniformly distributed along the tyre surface are formed between the two main channels at the same side; a plurality of tyre shoulder pattern blocks which are uniformly distributed along the tyre surface are respectively arranged outside the two main channels; two adjacent side pattern blocks are separated through an obliquely arranged side pattern channel; two ends of each side pattern channel are communicated with the two main channels, and reversely expanded to form triangular stone removing areas; and the two triangular stone removing areas are respectively matched with the two main channels to form large triangular areas for removing the stones in the two main channels. According to the stone-clamping preventing tyre provided by the invention, the basic performances such as pulling, draining and wear resisting are ensured under the condition that the designs of the bottoms of the channels are unchanged; and moreover, the stone-clamping preventing performance of the tyre can be improved.

The invention discloses an aqueous organosilicon grafted (methyl) acrylic polymer and a preparation method of an emulsion thereof. The method comprises the following steps that 100 weight parts of poly(methyl)acrylate emulsion, 15-50 weight parts of polysiloxane cation emulsion and 0.1-0.5 weight part of catalyst react at 60-90 DEG C for 3-8h; and organic solvents are deprived to obtain the aqueous organosilicon grafted (methyl) acrylic polymer emulsion. The invention employs long-chain alkyl benzene sulfonic acid as a reactive emulsifier, so the emulsion has a good emulsification effect; meanwhile, an emulsion film has no residual emulsifier therein, so the emulsion has a better film performance. The final polymer emulsion has a high organosilicon content; and the grafted siloxane chain is long and is not easily embedded or covered by an acrylate main chain, so as to fully play a modification effect of the organosilicon. The operation method of the invention has low requirements of equipment and raw materials, and is beneficial for the realization of industrialized production.

The invention discloses a ceramic diaphragm and a preparation method and application thereof. The ceramic diaphragm comprises a substrate and a ceramic coating attached to at least one side surface ofthe substrate. The ceramic coating contains a one-dimensional nano-material and does not contain granular ceramic powder and/or ceramic powder. The one-dimensional nano-material has the diameter of 50 nm to 500 nm and the length of 100 nanometers to 100 micrometers. The surface of one side of the substrate is not coated with the ceramic coating. Each ceramic coating has thickness of 0.1 micrometers to 2 micrometers. The ceramic diaphragm contains the one-dimensional nano-material and is difficult to be inserted into micropores of the organic diaphragm substrate so that the micropore channelsare not blocked and the conduction of lithium ions of the battery in the organic diaphragm is not blocked. The one-dimensional nano-material significantly improves the thermal stability of the ceramicdiaphragm and can improve the heat shrinkage resistance of the ceramic diaphragm even in the case of coating a very thin ceramic coating.

The invention discloses a pneumatic seed protection type precision concentrated seeding device, including a seed box, a seeding roller assembly and a seed divider provided with a seed discharge plug, a seed guide tube, a shunt tube, a seed clearing mouth, a protection room plate and a pressure nozzle. The seeding roller assembly is installed in the seed divider, the seed box and the seed divider are connected through a connecting plate, the inlet of the shunt tube is located in the seed box, and a seed protective air cushion is arranged between the protection room plate and the seeding roller assembly. The invention adopts the "inverted cone" or "inverted rectangular cone" shaped hole for facilitating seed picking, at the same time when shaped hole carrying seeds passes through the pneumatic seed protection zone, the seeds are not easy to embed into the shaped hole.

The invention discloses a quasi-crystal abrasive paste applicable to the surface mechanical finishing of soft metals, and the adopted abrasive material thereof is a quasi-crystal alloy powder material. The quasi-crystal abrasive paste comprises a quasi-crystal alloy and related phase materials; the granularity of a powdered abrasive material is less than or equal to 50mu m; the mass percentage of the quasi-crystal powdered abrasive material in the abrasive paste is 1-90%, and the balance of the abrasive paste refers to abradant auxiliary materials such as oil-soluble or water-soluble pastes and the like. According to the invention, based on the unique grinding behavior and mechanism, the abrasive paste has an efficient mechanical finishing and defect repair capacity to the surfaces of soft metals/alloy specimens or workpieces; and compared with traditional abrasive materials, a surface finishing effect required by workpieces can be achieved efficiently, and the erosion amount is low, therefore, the abrasive paste is applicable to the surface finishing of high-precision workpieces, namely, the dimensional accuracy of workpieces can be kept while the surface quality of workpieces is satisfied. The abrasive paste disclosed by the invention has the characteristics of high stability, high liquidity, no adhesiveness and easiness for cleaning, therefore, the abrasive paste is an ideal grinding material for the mechanical finishing of soft materials.

The invention discloses a method for embedding and recognizing a broadcast audio watermark. The method includes determining a time range in which a watermark signal can be embedded according to time domain masking effect; determining amplitude of the watermark signal according to frequency domain masking effect. A microphone of wearable electronic equipment like a cellphone and a tablet computer which are portable equipment limited in operational capability and battery capacity can be used to receive voice, the watermark is restored through application software running on the wearable electronic equipment, and information can be extracted after the process of transmission with loss. The audio watermark is embedded in a frequency band audible for human ears and below 16000Hz according to the time domain masking effect and the frequency domain masking effect, in other words, the television media audio watermark technology the frequency band audible for the human ears and below 16000Hz is applied in a broadcast system. Carrier signal range for frequency spectrum modulation is expanded to be 4000-8000Hz.

The invention provides a core-shell structure acrylate emulsion, a preparation method and applications thereof, wherein the shell-layer polymer of the core-shell structure acrylate emulsion has a number average molecular weight of 50000-250000, the number average molecular weight of the core-layer polymer is greater than the number average molecular weight of the shell-layer polymer, the shell-layer polymer and/or the core-layer polymer has a hydroxyl functional group, and the shell-layer monomer for preparing the shell-layer polymer and the core-layer monomer for preparing the core-layer polymer respectively comprise a caprolactone-modified acrylate monomer. According to the present invention, the coating material prepared based on the core-shell structure acrylate emulsion has low VOC, and the paint film has characteristics of good gloss, chemical resistance, impact resistance and the like.

The invention discloses a lithium ion battery anode plate which comprises an anode current collector and anode active materials distributed on the anode current collector, wherein the anode active materials contain P-type doped nano carbon tubes and N-type doped nano carbon tubes. The P-type doped nano carbon tubes and N-type doped nano carbon tubes, which are added into the lithium ion battery anode plate, can improve the conductivity of the anode in the processes of charging and discharging, and enhance the safety of the lithium ion battery, thereby realizing heavy-current discharge of the lithium ion battery. In addition, the invention also discloses a preparation method of the lithium ion battery anode plate and a lithium ion battery using the lithium ion battery anode plate.

The present invention addresses the problem of providing: a retardation film which has high contrast and exhibits excellent wound state stability during the production of a long laminated roll; a method for producing the retardation film; and a polarizing plate and a liquid crystal display device, each of which is provided with the retardation film. A retardation film of the present invention contains a cellulose acylate that has a degree of substitution of acetyl groups within the range of 2.0-2.5, and is characterized in that if one surface of the retardation film is referred to as surface A and the other surface of the retardation film is referred to as surface B, the Martens hardness of surface A and the Martens hardness of surface B are both within the range of 190-210 N/mm2, and the arithmetic mean roughness (Ra) of surface A and the arithmetic mean roughness (Ra) of the surface B are both within the range of 0.5-2.0 nm.

The invention brings forward an abrasive for grinding and polishing of tellurium-zinc-cadmium soft and crispy wafers. The crystal form of the abrasive is alpha-alumina, and particle shape is regular plate-like; particle size D50 is 2-9 microns, D90 is no higher than 10 microns, D10 is no lower than 1.5 microns, and plate thickness is 0.9-2.2 microns; and the abrasive will not be settled or flocculated in a suspension. In particular the abrasive has strong chemical stability, is suitable for a strong acid and strong alkali environment, is greatly suitable for precision grinding and polishing process of tellurium-zinc-cadmium soft and crispy wafers, is not easy to insert wafers, is not easy to cause scratches, and has high removal rate.

The invention discloses a flashing formwork. The flashing formwork comprises two formwork pieces arranged oppositely, a first baffle and a second baffle; a first open groove is formed in the first baffle; a second open groove is formed in the second baffle; the first baffle and the second baffle are fixed to the same ends of the two formwork pieces, and the first open groove and the second open groove are staggered to form a through hole; and the through hole is used for allowing reinforcing steel bars to penetrate through to be arranged between the two formwork pieces. According to the flashing formwork, the first baffle and the second baffle which are crossed with each other are fixed to the two ends of the two formwork pieces, and the reinforcing steel bars extend out of the hole in theoverlapping position of the first open groove and the second open groove, therefore, under the conditions that the first baffle and the second baffle are fixed to the formwork pieces and concrete isprevented from leaking, the reinforcing steel bars can also extend out of the first baffle and the second baffle.

The invention discloses a data cable, which comprises a skeleton body, four groups of stranded wire pairs, solid rat expelling blocks, four covering plates, a waterproof layer and a sheath, wherein the skeleton body comprises four fan-shaped parts; an accommodating cavity is formed between two adjacent fan-shaped parts; an arc-shaped side wall of each fan-shaped part is provided with an installation groove; the four groups of stranded wire pairs are arranged in the corresponding accommodating cavities respectively; the solid rat expelling blocks are arranged in the corresponding installation grooves; the four covering plates cover the corresponding accommodating cavities respectively; the waterproof layer coats the outer sides of the skeleton body and the covering plates; and the sheath coats the outer side of the waterproof layer. The fan-shaped parts can be effectively utilized to form the installation grooves for arranging the solid rat expelling blocks, so that the space utilization rate can be effectively improved in comparison with independent arrangement of a rat expelling layer; and openings of the accommodating cavities are relatively large, and the condition that the quality of the data cable is affected because the waterproof layer is embedded in the accommodating cavities can be avoided through the arrangement of covering plates.

The invention belongs to the field of ink powders, and relates to a preparation method for low-temperature fixing chemical ink powder resin and a method for preparing ink powders. The preparation method for low-temperature fixing chemical ink powder resin comprises the steps of: 1, preparing a seed emulsion; 2, preparing low-molecular and high-molecular low-temperature fixing emulsion resin; and 3, proportioning the low-molecular and high-molecular low-temperature fixing emulsion resin and adjusting the solid content to 33.0% to obtain low-temperature fixing chemical link powder resin. The method for preparing ink powders comprises the steps of: taking 20-50% of low-temperature fixing chemical link powder resin, 1-5% of a pigment, 1-3% of a CCA dispersion liquid, 1-3% of a wax emulsion and 40-70% of water; adding dilute sulphuric acid; raising the temperature and keeping the temperature for 1-3 hours; adding sodium hydroxide to adjust the pH to 6-8; and then raising the temperature, keeping the temperature, reducing the temperature and drying the mixture to obtain finished product low-temperature fixing chemical ink powders. The preparation method provided by the invention is environmentally-friendly and pollution-free in production process and low in production cost, and is suitable for preparing the low-temperature fixing chemical ink powders; the prepared ink powders are suitable for a majority of low-temperature fixing energy-saving laser printers/copiers, and are good in fixing effect, high in transfer rate, excellent in color density and excellent in electrical property.

The invention relates to a welding method for winding rotors and a head combining sleeve and belongs to the field of motor manufacturing processes. According to the welding method, motor rotor coils are embedded in a rotor iron core, end heads of the motor rotor coils are sleeved with a head combining sleeve; then the rotors are hoisted onto a welding workbench and horizontally placed; the insulating portions, close to the head combining sleeve, of the motor rotor coils are wrapped by a circle of waterishlogged asbestos rope; an electrode holder is wrapped by one to two layers of glass tapes; then the electrode holder clamps the head combining sleeve; welding is performed through a medium-frequency welding machine; before the head combining sleeve becomes completely red, a silver solder with the silver content being 15% is used for painting a gap between the head combining sleeve and the motor rotor coils one time; and after the head combining sleeve becomes completely red, the gap between the head combining sleeve and the motor rotor coils and the end faces of the head combining sleeve and the motor rotor coils are uniformly and smoothly painted with silver solder and soldering flux. The welding method achieves the purposes that the welding time is short, the work efficiency is high, insulating damage is small, welding is thorough, and process reliability is good.

The invention relates to a bearing, in particular to a sparingly soluble bearing of an engine. The sparingly soluble bearing is characterized by comprising a steel back layer, a substrate layer and a sparingly soluble layer which are arranged from outside to inside, wherein the substrate layer is made of aluminum material; and the sparingly soluble layer is made of silicon-iron environment-friendly material. The invention saves energy in the manufacture process, has low cost and can satisfy the technical requirements of the engine, such as high voltage increase, great torque and low emission.

The invention discloses a multi-layer composite high-line-pressure-resistant papermaking felt and a preparation method thereof. The multi-layer composite high-line-pressure-resistant papermaking feltcomprises a bottom fiber layer, a base cloth layer, an inner fiber layer and a surface fiber layer making contact with paper, wherein all of the layers are arranged in a stacked mode, and the base cloth layer comprises at least two layers of single-layer base cloth. The multi-layer composite papermaking felt is actually formed by compounding a plurality of pieces of single-layer base cloth with awarp and weft weave system, and warp yarns in an upper-layer weave are not easy to embed into gaps of warp yarns in lower-layer weave; after receiving high line pressure, the multi-layer composite papermaking felt is good in resilience, high in water containing space and not easy to deform, and does not lose water filtering performance; and the multi-layer composite papermaking felt facilitates quick transferring of moisture in paper sheets to the papermaking felt, meets the dehydration requirement of a high-speed high-line-pressure paper machine on the papermaking felt, and is prolonged in service life.

The invention discloses a side draught type extractor hood. The side draught type extractor hood includes a machine shell. The right front of the machine shell is provided with an air inlet. A smoke deflector is arranged in the air inlet. The machine shell is internally provided with an electric pushing rod mechanism used for driving the smoke deflector to overturn. The electric pushing rod mechanism includes a pushing rod outer shell and a pushing rod carrying out linear reciprocating motion relative to the pushing rod outer shell. The side draught type extractor hood is characterized in thatthe end, away from the pushing rod outer shell, of the pushing rod is connected with the smoke deflector through a first bearing. The end, away from the pushing rod, of the pushing rod outer shell isconnected with the machine shell through a second bearing. Through arranging the electric pushing rod mechanism into a double-bearing structure, the pushing rod can rotate around the bearing center,the pushing rod can be inclined to compensate disadvantages of low accuracy, when the centers of a rod end knuckle bearing and a mounted bearing are in misregistration, the straightness accuracy of the pushing rod can be ensured through a rotation shaft of the rod end knuckle bearing, and the radial force inside when the pushing rod moves can be eliminated.

The invention provides a molding device of a vibration mechanism of a multifunctional fitness massager, and relates to the technical field of punching molding devices. The molding device of the vibration mechanism of the multifunctional fitness massager comprises a worktable; a punching device is fixedly mounted at the top of the worktable; the punching device comprises a frame; a mounting plate is fixedly mounted at the bottom of the inner wall of the frame; and a hydraulic extension device is fixedly mounted at the bottom of the mounting plate. The molding device of the vibration mechanism of the multifunctional fitness massager is provided with a demolding device; after the hydraulic extension device drives a punching head to downwards finish a punching procedure, a motor is started; under the linkage effect of a connecting rod, the connecting rod can drive an extension rod to move up and down in a demolding cylinder; meanwhile, the extension rod drives a demolding rod to move up and down through a slide plate; the demolding rod can eject out finished products in a molding cavity in the up-down moving process; and compared with a traditional manual demolding mode, the demoldingmode is fast and convenient to operate, and saves more time and power.

The invention relates to the technical field of house building, and discloses a greening structure for a house building. The greening structure involves a wall body, a vertical groove and a horizontal groove are formed in the wall body, the horizontal groove communicates with the vertical groove, a bracket is arranged on the wall body, a potted plant can be placed on the bracket, the side, orienting the wall body, of the bracket is provided with an embedded block arranged in the horizontal groove in a sliding mode, and a blocking structure for blocking the horizontal groove is arranged in the vertical groove. According to the greening structure, the greening effect of the wall body is improved.

The invention provides liquid crystal polyurethane urea with cholesteric side chains and a preparation method of the liquid crystal polyurethane urea. Cholesteric liquid crystal units are connected toa main chain through long flexible segments in a covalently mode, single-end dihydroxy cholesteric liquid crystal monomer (DAP) is mixed with double-end hydroxyl polyethylene glycol (PEG), chain extension is performed by using diisocyanate containing a urea-based structure, and the liquid crystal polyurethane urea with the cholesteric side chains is obtained through purification. The liquid crystal polyurethane has a number average molecular weight of 1.0*10<5>-5.0*10<5> and a dispersion coefficient of 1.20-1.51, the mass content of DAP in the liquid crystal polyurethane is 25-52%, and the mass content of PEG in the liquid crystal polyurethane is 12-52%. By combining a cholesteric liquid crystal into polyurethane through a condensation polymerization mode, not only can migration of the small molecule liquid crystal be avoided, but also the blood compatibility and biocompatibility of a polyurethane film can be improved; therefore, reference is provided for application of the modified polyurethane material in biomedical engineering, and good biodegradability can be obtained.

The present invention relates to a special preparation form using pennogenin composite as an active constituent. Said pennogenin composite solid molecule dispersing preparation is formed by the mass percent of 0.5 to 40% pennogenin composite and 60 to 99.5% cyclodextrin. Composites with molecular weight over 1000 are generally supposed to be hard buried by cyclodextrin due to their big molecular space volume. The present invention is characterized in burying the pennogenin composite in cyclodextrin in a dispersing state in single molecule with the dispersing degree over ten times smaller than that of nanometer grains, which is quickly disintegrated and dispersed and absorbed by human body after entering into gastrointestinal tract, which as a result, improves the biological utility ratio by over two times. And the invention is also characterized in overcoming the shortcoming of PEG solid dispersant easily aging which results in slow dissolving-out speed. The present preparation is mainly used to cure gynecological blood diseases including hemostasis, hematopoiesis and gynecological inflammation.

The invention discloses a barrel-shaped assembly type wind power tower drum foundation and a construction method thereof, and belongs to the technical field of wind power generation, the barrel-shaped assembly type wind power tower drum foundation comprises a cast-in-place stand used for being connected with a wind power tower drum and a prefabricated bottom barrel arranged at the bottom of the cast-in-place stand, and the bottom of the prefabricated bottom barrel is open and is inserted into the foundation in the vertical direction; the prefabricated bottom barrel comprises a plurality of arc-shaped bottom barrel pieces, the arc-shaped bottom barrel pieces are sequentially spliced in the circumferential direction, and every two adjacent arc-shaped bottom barrel pieces are connected through a connecting structure. The foundation barrel is in the shape of a circle formed by mutually splicing the arc-shaped blocks and is suitable for a foundation with many rocks, the installation stability between the foundation and the foundation can be improved, and the bearing capacity of the tower barrel foundation can be improved.