49results about How to "Prevent in-depth" patented technology

The invention discloses a permeable reaction wall in-situ repair method for preventing aquifer pollution. The method is characterized by adopting a permeable reaction wall horizontally arranged and a pumping well; the permeable reaction wall includes a ditch excavated in a pollution rain flowing path; a horizontal field is excavated in the ditch; a reactive medium is paved to form a horizontal permeable reaction wall body; the reactive medium material is selected according to pollutant repair mechanisms, and is layered; soil or sand is filled above the reactive permeable wall for covering to level with the bottom of the ditch; two sides of a wall body are tightly bonded a dam of the ditch to construct an impervious wall to guarantee polluted water to downwards permeate into an underground aquifer through the permeable reaction material wall body; the pumping well is a well, deep to reach the underground aquifer, drilled in middle of the horizontal permeable reaction wall; the well wall is produced by an impervious material; the well bottom is provided with a filter medium layer; and pumped water is from the underground aquifer. The method has the advantages of shallow ditch excavating and well drilling depths, easiness in material layering, high operability and good economic benefit.

An elastic connection structure between door or window and structural opening is composed of a head part and a tail part. A central through hole passes through said head part and tail part. Several radial slots are made on head part and extended to a position before the end of tail part. Its elastic connection method includes such steps as providing an additional steel frame, fixing it to wall to make it in said structural opening, making one or more holes on said steel frame, inserting said elastic connection structure in each hole, and turning a screw into the central through hole of each elastic connection structure.

The invention discloses a variable-pore-diameter capillary core applied to a loop heat pipe system, and a machining method thereof, and belongs to the field of porous medium phase-change heat transfer and flowing. The capillary core disclosed by the invention is formed through mixed sintering for high-melting-point powder particles and low-melting-point fibers, a temperature is controlled to completely sinter the fibers to form a capillary core framework, and the powder particles are not sintered and capable of moving in the space of a fiber framework according to a heat load to automatically adjust pore diameters. The capillary core is applied to a loop heat pipe, the pore diameters of the powder particles are automatically adjusted under different heat loads, and a suction force of the capillary core is adjusted to prevent a phase-change interface from stretching in the capillary core, and reduce heat transfer resistance during the working of the capillary core; and meanwhile, flowing resistance can be reduced, so that the running performance of the loop heat pipe is improved.

The invention relates to an anti-flood wall. The anti-flood wall comprises a plurality of bases, first wall vertical columns, second wall vertical columns and a plurality of hanging plates, wherein the plurality of bases are arranged in parallel to form a base wall and are connected by clamp buckles; the first wall vertical columns are respectively arranged at both ends of the base wall, and the base wall is connected with the first wall vertical columns by clamp buckles; the plurality of baffle plates are arranged in parallel to form a baffle plate wall and are connected by clamp buckles, andthe second wall vertical columns are respectively arranged at both ends of the baffle plate wall; the plurality of baffle plate walls are overlapped above the base wall; the baffle plate walls and the base wall are connected by clamp buckles; the baffle plate walls are connected by clamp buckles; the first wall vertical columns and the second wall vertical columns are connected by clamp buckles.The anti-flood wall has the advantages that the clamp buckles are used for connecting and no auxiliary tool is required for the buckling between the parts in the installation process, so that the installation time is shortened; an interference fit method is adopted, so that the leakage can be prevented; the clamp buckles are used for connecting, so that the width and height can be increased.

The invention relates to a metal or non-metal anhydrous low-cost imitation electroplating film and a surface treatment method thereof. The method comprises the following steps that a formed workpieceis subjected to hydrocarbon ultrasonic cleaning, oil removal and wax removal, then UV paint with a high hydroxyl value is sprayed on a workpiece, leveling, drying and curing are carried out, then theworkpiece is placed in a vacuum furnace for plasma glow treatment, then vacuum coating treatment is carried out, the UV paint with a high hydroxyl value is sprayed on the workpiece plated with the film, then the workpiece is enabled to enter the vacuum furnace again to sputter the silicon target, and the oxygen content is gradually increased. And finally, the workpiece plated with the gradient silicon and the silicon dioxide is immersed into a low-surface-energy solution, and the hydrophobic and corrosion-resistant imitation electroplating coating is obtained through drying at a low temperature. The imitation electroplating film can be widely applied to the fields of hardware, household appliances, bathroom accessories, automobile accessories and the like, and has the advantages of no wastewater discharge, low cost, excellent performance and the like.

The invention discloses an LED light supplementing device for algae culture. The LED light supplementing device comprises a long-strip-shaped light emitting part and a transparent lampshade matched with the light emitting part in shape. The light-emitting part is provided with LED light-emitting chips with various wavelength ranges; the light-emitting part is arranged in the transparent lampshade,and the transparent lampshade is filled with heat dissipation liquid. By applying the technical scheme of the embodiment of the invention, various spectral energies are provided, the spectral energies can be adjusted, the growth and metabolism requirements of algae can be met, the yield and quality of algae can be improved, the growth rate of algae can be increased, and the accumulated biomass energy can be enhanced.

The invention discloses a wire pole traction steel cable fastening device for electric power transmission and an installing method of the wire pole traction steel cable fastening device. A shell is included. The upper portion of the side wall of the interior of the shell is fixedly connected with a fixing rod. A rotation rod is fixedly connected to the lower portion of the side wall of the interior of the shell. The outer side wall of the rotation rod is in cup joint with a winch and a first gear. A steel stranded wire is wound around the outer side walls of the winch and a guiding wheel in aconnecting manner. A guiding groove is formed in the top of the shell. A protection cover is hinged to the top of the shell. A limiting base is welded to the side wall of the interior of the shell. The limiting base is internally in sliding connection with a fixing base. The top of the shell is evenly provided with four fixing assemblies with the tops penetrating through the bottom, the problems that when a cement stay wire disc and other heavy objects need to be placed, personal injuries can be caused to operation personnel or the traction effect cannot be achieved due to the insufficient dead load are prevented, and the work efficiency and safety guarantee of the operation personnel are effectively improved.

The invention discloses a cleaning solution suitable for polyester fabrics. The cleaning solution is mainly composed of a surfactant solvent, an EO / PO block copolymer, fatty alcohol-polyoxyethylene ether, glucosamide, a nonionic surfactant, dipropylene glycol butyl ether, protease and a polyester polymer. According to a plurality of embodiments of the invention, the cleaning solution has excellentwashing effects on oil stains adsorbed on polyester fabrics, especially oil stains which are difficult to clean, such as aged engine oil and the like; and the adsorption capacity of the polyester fabric to oil stains can be reduced, and the stain resistance, especially the oil stain resistance, of the polyester fabric can be improved after washing.

The invention discloses a method for forming a self-aligned contact hole. The method comprises the steps of defining field oxide of forming a shallow trench structure by adopting a hard mask layer; forming a first dielectric layer; forming a second protection layer on the surface of the first dielectric layer with a sag structure; removing the first dielectric layer and the hard mask layer outsidethe area covered with the second protection layer by adopting the second protection layer as a self-aligned mask; forming a gate structure; forming a first silicon nitride side wall on the side surface of a polysilicon gate, simultaneously forming a second silicon nitride side wall on the side surface of the first dielectric layer and covering an active area and the boundary of the field oxide with the second silicon nitride side wall; forming an interlayer film; carrying out photoetching to form an opening of the contact hole; and filling the opening of the contact hole with metal. Accordingto the method, the bottom area of the contact hole can be located in the active area in a self-aligned manner, so that the bottom of the contact hole is prevented from deviating to the field oxide, generated electric leakage of a device can be prevented and the reliability of the device can be improved.

The invention provides an aerator for sewage treatment and a treatment method thereof, and belongs to the technical field of sewage treatment. The aerator for sewage treatment comprises a machine bodyand a machine cover, the cover is connected to the top of the body; two sides of the outer wall of the body are connected with a water inlet pipe and a water outlet pipe; the top of the cover is connected with a motor; the output end of the motor is connected with a rotating shaft; one end of the rotating shaft away from the motor is connected with a first gear; the outer wall of the first gear is engaged with a second gear; a rotation shaft is rotatably connected to the center of the machine cover, a second gear is connected to the outer wall of the rotating shaft, an aeration mechanism is connected to the outer wall of the rotation shaft, a first bevel gear is connected to the outer wall of the rotating shaft, a second bevel gear is meshed with the outer wall of the first bevel gear, and a fixing rod is connected to the outer wall of the second bevel gear and fixedly connected to the inner wall of the machine body; bubbles are smashed and stirred through the stirring mechanism so that sewage and the bubbles are mixed more uniformly, and the aeration efficiency and the aeration effect are improved.

The present invention relates to an anti-seismic brick, which comprises two parts of a brick body sintered from a special shape and a water bag, wherein a film bag made from plastic or other materials is filled with a certain amount of water to form the water bag, the whole body forms a micro tuned liquid damper (TLD), the bricks are prepared into a wall body through anti-seismic calculation to form a whole line TLD system so as to form a house structure and the like, such that an anti-seismic effect is provided.

The invention relates to a three-layer cascade ring packing and belongs to the field of a petrochemical technology. The cascade ring packing is made from metal. The outer wall of the cascade ring packing has a circular shape from a looking-down perspective. The inside of the cascade ring packing has a symmetric first to sixth vanes structure. The first to sixth vanes all have an arc-shaped tongue piece raised towards the outer wall. The first to sixth vanes all have a gap corresponding to the respective tongue piece. The three-layer cascade ring packing provided by the invention has a staggered three-layer vanes structure and has good pressure resistance. As the vanes are separated by 120 degrees, gaps between packings are not enough to stack up mutually.

The invention provides a humidifier and a fog-out mechanism thereof. The fog-out mechanism comprises a fog-out cover with a cavity. A fog-out hole and a fog-in hole are formed in the fog-out cover, the fog-out hole and the fog-in hole communicate, and the axis of the fog-out hole is obliquely relative to the central axis of the fog-out cover, so that it is guaranteed that fog ejected from the fog-out hole is oblique, accordingly the fog ejected from the fog-out hole does not fall on the top of the humidifier, the water accumulating phenomenon is not liable to occur on the top of the humidifier, the situation that accumulated water goes deep into the interior of the humidifier can be prevented, and an electrical safety accident is eliminated. Meanwhile, the oblique fog ejected from the fog-out hole can further increase the humidifying range of the humidifier, so that using of the humidifier by users is facilitated.

The invention relates to the technical field of computer assistance, and provides a display screen support for cleaning a display screen by utilizing electrostatic characteristics. The display screensupport comprises a display screen support body, wherein a fixed mounting frame is fixedly connected to the top end of the display screen support body, the left side and the right side of the displayscreen support body are movably connected with movable frameworks, the left side and the right side of the display screen support body are fixedly connected with electrostatic sensing frames through the movable frameworks, and the center of the display screen support body is fixedly connected with a telescopic framework through the fixed mounting frame. According to the display screen support forcleaning the display screen by utilizing the electrostatic characteristics, an equipment switch is manually pressed, electric energy is used as a driving energy source, the telescopic framework is driven to rotate, a threaded rod on the inner side of the telescopic framework rotates, a seat plate fixedly connected with a display base at the bottom of the fixed mounting frame is driven to move downwards, and a display drives a fixing buckle which is fixed up and down to move downwards to the interior of the display screen support through a movable frame rod.

The invention relates to a polyurethane rubber sound and vibration insulation cushion which is mainly used for sound and vibration insulation of central air-conditioner rooms such as office buildings. The polyurethane rubber sound and vibration insulation cushion is characterized in that the vibration cushion is of an up-and-down double-layer structure, the upper layer is a surface layer (2), the lower layer is a bottom layer (1), the surface layer (2) and the bottom layer (1) are both made of waste polyurethane rubber particles, and multiple through holes (3) are evenly distributed in the bottom layer (1). The polyurethane rubber sound and vibration insulation cushion is prepared from the waste polyurethane rubber particles, the cost is low, a space net-shaped structure is formed after the particles are pressed, interspace is large, the elasticity is good, the sound absorption effect is good, and the vibration reduction effect is good; the through holes are additionally formed in the bottom layer, and the sound absorption effect and the vibration reduction effect are further improved; colorful waste polyurethane rubber particles are adopted by the surface layer, the distinguishing degree is high, and attractiveness is achieved; in addition, through holes are not formed in the surface layer, cement paste in concrete can be prevented from being poured, and the elasticity is guaranteed.

The invention belongs to the field of domestic waste treatment, and particularly relates to domestic waste solid-liquid separation equipment which comprises an upper connection pipe and a waste separation mechanism connected with the lower portion of the upper connection pipe. The waste separation mechanism comprises a separation box, a liquid outlet, a residue outle and a filtrate plate, the filtrate plate is arranged right below the upper connection pipe, the liquid outlet is arranged below the filtrate plate, a position, corresponding to the upper end of the filtrate plate, of the top of the separation box is provided with a strip-shaped penetrating hole, the upper end of the filtrate plate penetrates out the strip-shaped penetrating hole, an arc-shaped diversion plate is connected on arim portion of one side, close to the residue outlet, of the bottom of the upper connection plate, a clean-scraping part for cleaning the filtrate plate is arranged in the separation box and comprises a clean-scraping guide strip and a clean-scraping member, and the clean-scraping member is close to a scraping plate or comprises a clean-scraping frame and a clean-scraping plate strip integrally connected in the clean-scraping frame. The equipment is simple and ingenious in structure, low in cost, good in using effect and kitchen waste separation effect, convenient for cleaning, less prone tofailing and low in cleaning frequency.

The invention discloses a bone stretching instrument for early and medium femoral head necrosis treatment. The bone stretching instrument comprises a front-section screw, wherein the front-section screw is connected with a femoral body; an outer fixing support is installed at the bottom of the femoral body through a fixing screw; the end, away from the femoral body, of the fixing screw penetrates through the outer fixing support and is in threaded connection with a nut; one end of the front-section screw is fixedly connected with a carrying screw assembly; the carrying screw assembly comprises a threaded screw assembly and a rack type screw assembly; the threaded screw assembly comprises a threaded screw; and one end of the front-section screw is fixedly connected with a threaded screw. The bone stretching instrument has the advantages that a bone column can be slowly and continuously stretched in the femoral neck direction, the traction tension can promote cell proliferation and biosynthesis functions, metabolism and tissue growth become active, the osteogenesis capability is enhanced, local microcirculation is also increased, and finally femoral head necrosis repair is promoted.

The invention relates to a pipeline cable conveying method, and belongs to the pipeline cable field. The pipeline cable conveying method is completed by means of a cable conveying device. The cable conveying device includes a horizontal drilling machine, wherein the cable is fixedly connected with a drilling pole of the horizontal drilling machine; spiral blades sleeve and are fixed on the cable;each spiral blade includes a blade root and a blade tip which is fixedly connected with the blade root; the cross section of the blade tip is circular; the ratio between the thickness L of the blade root and the diameter of the blade tip is 1: (1-1.2); the cable is driven by the horizontal drilling machine to form a spiral pipeline cable conveying structure, and based on the structure, the spiralblades sleeve the periphery of the cable and are fixed; the cable is fixedly connected with the drilling pole of the horizontal drilling machine; the end head of the cable is arranged in the end headof the pipeline; the horizontal drilling machine is started, and the blocking particles are injected into from a feed opening above the end head of the pipeline; and during the process that the cableis conveyed to the other end head of the pipeline, the blocking particles are filled in the pipeline; and then the horizontal drilling machine is closed, and the end head, with the feed opening, of the pipeline is cut off, and then the process is completed. The pipeline cable conveying method can easily, quickly and completely convey the cable and the blocking particles to be in place synchronously.

The invention discloses an assembly structure of a wire harness, electronic equipment and an atmosphere lamp, and the assembly structure of the wire harness comprises the wire harness which comprises a wire buckle and a wire body which fixedly penetrates through the wire buckle; a limiting boss and at least two clamping bosses are formed on the peripheral wall of the wire buckle in a protruding mode in the radial direction, the clamping bosses are arranged at intervals in the circumferential direction of the wire body, and clamping grooves are formed between the clamping bosses and the limiting boss; the equipment shell is provided with a wiring hole for the wire harness to penetrate through, the hole wall of the wiring hole is provided with at least two stopping parts in a protruding mode, the stopping parts extend in the circumferential direction of the wiring hole and are arranged in the circumferential direction of the wiring hole at intervals, and the stopping parts are located in the clamping grooves so that the wire harness and the equipment shell can be assembled; the adjacent stopping parts form through grooves used for penetrating through the clamping bosses in interval areas in the circumferential direction, the stopping parts are screwed into the clamping grooves in the wire buckles, and the stopping parts are used for limiting the limiting bosses to penetrate through the wiring holes. The assembly structure of the wire harness can improve the fixing effect of the wire harness at the wiring hole of the equipment shell.

The invention discloses an abdominal drainage tube fixing assembly and method for jointly clamping inside and outside the abdominal wall, and relates to the technical field of medical supplies. The abdominal drainage tube fixing assembly comprises a drainage tube, a hard sleeve, a flexible sleeve, an inner locking ring and an outer locking ring, wherein a buckle is arranged at one end of the hard sleeve, a chute is arranged at the other end of the hard sleeve, and a bayonet is arranged in the chute; a plurality of kidney-shaped holes are formed in the flexible sleeve, strip-shaped petals are formed between the adjacent kidney-shaped holes of the flexible sleeve, and the hard sleeve is movably sleeved with the flexible sleeve; external threads are arranged on the outer circular surface of the inner locking ring, convex teeth are arranged in an inner hole, and the inner locking ring is movably sleeved on the hard sleeve; an annular flash is arranged at one end of the outer locking ring, and an inner thread is arranged in the inner hole. The abdominal drainage tube indwelling and extubating training method is applied to an abdominal drainage tube fixing assembly jointly clamped inside and outside the abdominal wall, and acts on a human body abdomen model. The abdominal drainage tube fixing device solves the problem that a wound or external skin is easily injured due to infirm fixing.

The invention relates to the technical field of packaging films, in particular to a heavy packaging film and a preparation method thereof. The heavy packaging film comprises an aluminum plating layer, a moisture barrier layer and a heavy wrapping layer which are tightly attached in sequence from outside to inside. The prepared film is good in toughness, high in puncture resistance, high in falling resistance and puncture resistance, excellent in mechanical property, and capable of meeting the requirement for heavy packaging. Meanwhile, due to the high moisture-proof and damp-proof performance, the problem that in the prior art, a heavy packaging film is poor in moisture-proof and damp-proof effect is solved. The film layers are formed by mixing the same kind of raw materials, can be recycled and reused and are environmentally friendly. The whole preparation process is safe and reliable and is simple and convenient to operate, and the heavy packaging film has a wide application prospect in the field of packaging films.

The invention provides a cooked wheaten food machine capable of stably discharging noodles. The cooked wheaten food machine comprises a machine base, an extrusion assembly, a screw and a die head assembly; the extrusion assembly is arranged on the machine base; a motor is arranged in the machine base; the extrusion assembly comprises an extrusion cylinder; the screw is transversely arranged in theextrusion cylinder; the die head assembly is arranged at the front end of the extrusion cylinder; the die head assembly comprises a die head support and a die head, wherein a first eccentric part isarranged at the front end of the extrusion cylinder; furthermore, the centre of the first eccentric part is arranged on the central axis of the rear end of the extrusion cylinder in an offset mode; the die head support is provided with a second eccentric part; the centre of the second eccentric part is arranged on the central axis of the die head assembly in an offset mode; and the extrusion cylinder and the die head assembly are installed and matched through the first eccentric part and the second eccentric part, so that the extrusion cylinder and the die head assembly define a concentric material conveying channel in an encircling manner. Relative displacement between the extrusion cylinder and the die head assembly can be effectively avoided; therefore, the formed material conveying channel is good in concentricity; secondary kneading is carried out in the extrusion cylinder; and thus, extruded noodles or dough sheets are more chewy and elastic.

The invention relates to the field of machining, and discloses a diesel engine cam shaft pressure-reducing mechanism. The diesel engine cam shaft pressure-reducing mechanism comprises a cam shaft and a driven gear and multiple cams which are installed on the cam shaft, a first centrifugal arm and a second centrifugal arm are rotatably connected to the driven gear, the first centrifugal arm and the second centrifugal arm are each provided with a reset elastic part, the first centrifugal arm is provided with a driving end and an executing end, an opening is formed in the driving end of the first centrifugal arm, a protruding block which is inserted into the opening is arranged on the second centrifugal arm, mutual linkage of the first centrifugal arm and the second centrifugal arm is achieved, and an executing block is arranged at the executing end of the first centrifugal arm; a pin hole is formed in the cam shaft, a pressure-reducing pin is inserted into the pin hole, and the pin hole is in clearance fit with the pressure-reducing pin. The two centrifugal arms are adopted, under the situation that the rotating speed is the same, the rotating force on the centrifugal arms is larger, and opening is easier, that is to say, the critical speed of rotation is decreased; meanwhile, improvement can be conducted only by adding one centrifugal arm, the technology is simple, and implementation is easy.