102results about How to "Not easy to fail" patented technology

The invention discloses a photovoltaic module, a preparation method and a welding tool, and relates to the technical field of photovoltaic modules. The photovoltaic module comprises one or more battery strings, each battery string comprises a plurality of battery pieces, a plurality of high-temperature welding strips and a plurality of low-temperature welding strips, and the high-temperature welding strips and the low-temperature welding strips are connected with the battery pieces in series. Each battery piece is provided with a plurality of first main grids; each high-temperature welding strip is connected in series with two corresponding first main grids of two adjacent battery pieces; and each low-temperature welding strip is arranged between the two adjacent first main grids on the battery pieces and is connected with the two adjacent battery pieces in series. According to the embodiment, the high-temperature welding strip and the low-temperature welding strip are arranged in the photovoltaic module at the same time, and part of the main grids in the battery piece are reserved, so that the purposes of reducing the silver paste cost and the gram weight of an adhesive film can be achieved, and the problem that the photovoltaic module is prone to failure in the outdoor long-term operation process is solved.

The invention belongs to the technical field of road engineering materials, and discloses a wide-temperature-range crack pouring adhesive based on rubber modified asphalt and a preparation method thereof.The wide-temperature-range crack pouring adhesive is prepared by taking the rubber modified asphalt as a matrix through a response surface method and adding SBS, basalt fibers and a modifier. The performance of the material is tested through a conventional test, and meanwhile, a test with more characteristics in northeast regions is provided, and the performance of the material is detected through injection depth, viscosity, low-temperature stretching after aging and freeze-thaw cycle stretching. Results show that a test designed by a response surface method has very strong reliability, and the modified heating type crack pouring adhesive added with the basalt fiber can significantly improve the high and low temperature performance of the crack pouring adhesive, and also has good anti-aging performance and freeze-thaw cycle resistance. And the filling depth and the viscosity of the sealant are not obviously lower than those of the same type of sealant.

The invention relates to a shoe material and a manufacturing method thereof, in particular to a folding-resistant laminated plate, a sole, a shoe and a laminated plate manufacturing method. The folding-resistant laminated plate comprises a middle layer group and a carbon fiber layer, the middle layer group comprises a basalt fiber layer, and the laying angle of the basalt fiber layer is 0 or 90 degrees; or the middle layer group comprises at least two basalt fiber layers which are stacked in sequence, and the laying angles of every two adjacent basalt fiber layers are 0 degree and 90 degrees respectively; or the middle layer group comprises two basalt fiber layers, and the laying angles of the two basalt fiber layers are 90 degrees. The sole and the shoe both comprise the folding-resistant laminated plate. The carbon fiber layers are compounded on the two sides of the middle layer, and the laying angle of the basalt fiber layer in the middle layer is limited, so that rigidity attenuation after multiple times of bending can be slowed down, the bending resistance is improved, meanwhile, the ductility of the laminated plate can be improved, brittle failure is avoided, and the structure is not prone to failure.

The invention discloses a magnetic control silicon-based adhesive as well as a preparation method and application thereof. The magnetic control silicon-based adhesive is prepared from the following components in parts by weight: 60 to 70 parts of silane modified polyurethane, 15 to 25 parts of a silane coupling agent, 40 to 60 parts of a magnetic nano material, 15 to 45 parts of microcrystalline silicon, 25 to 40 parts of nano calcium carbonate, 5 to 15 parts of titanium dioxide, 5 to 10 parts of talcum powder, 10 to 15 parts of amino silane, 3 to 8 parts of color paste and 1 to 4 parts of a catalyst. The silane modified polyurethane, the magnetic nano material and the microcrystalline silicon are reasonably compounded, so that the obtained adhesive not only has good adhesive force, but also has excellent water resistance and aging resistance, the introduction of the magnetic nano material not only can be matched with electromagnetic equipment to realize remote repair, but also can improve the curing capacity of the adhesive, so that the adhesive has a good application prospect. And the microcrystalline silicon enables the chemical properties of the adhesive to be more stable, and can meet the building repair requirements in various complex environments.

The invention relates to the technical field of batteries, and particularly discloses a battery cover plate assembly and a battery, and the battery cover plate assembly comprises a connecting block and a pole. One end of the pole penetrates through the connecting block and then is riveted with the first step surface of the first sinking table, the end, riveted with the first step surface, of the pole expands towards the periphery to form a riveting part, a seam is formed between the peripheral side wall of the riveting part and the first side wall of the first sinking table, and the seam of the riveting part and the first side wall of the first sinking table is welded to form a welding part. Wherein the diameter of the riveting part is d1, the distance between the center line of the welding part and the peripheral side wall of the riveting part is n, and the relation between n and d1 meets the condition that n / d1 is larger than or equal to 0.0125 and smaller than or equal to 0.025. By improving the welding structure between the pole and the connecting block, the connecting strength between the pole and the connecting block is relatively high, the over-current capability is good, and the performance of the battery cover plate assembly is relatively good. The invention also provides a battery which comprises the battery cover plate assembly.

The utility model provides a battery and electric equipment, and relates to the field of batteries. A battery includes a battery cell and a support. The battery monomer comprises a shell and a pressure relief component, the shell comprises a first wall part, and the pressure relief component is arranged on the first wall part. The pressure relief part comprises a first groove, and the pressure relief part is configured to be capable of cracking along the first groove when the battery monomer is subjected to pressure relief. The supporting piece supports the first wall part and is provided with a supporting face facing the first wall part, and the supporting face is provided with an avoiding part. The projection of the first groove is located in the avoiding part in the thickness direction of the first wall part. The avoiding part is arranged on the supporting piece, and the projection of the first groove in the thickness direction of the first wall part is located in the avoiding part, so that the avoiding part can avoid the first groove, the supporting piece is not easy to abut against the outer side of the first groove when the battery monomer is subjected to pressure relief, the cracking of the first groove is not easy to inhibit, and the service life of the battery monomer is prolonged. Therefore, the first groove can crack in time when the battery monomer is decompressed, and the reliability of the battery is improved.

The utility model discloses an integrated vibration transmitter. The periphery of a transmitter assembly is wrapped by a heat shrink tube, so that a better insulation effect is realized; the height of the heat shrink tube is not lower than the height of a printed circuit board at the top of the transmitter assembly, and gaps among all parts of the transmitter assembly in the heat shrink tube are filled with silica gel, so that the problem of deformation or displacement of electronic components caused by original epoxy resin packaging can be solved, and external impact can be buffered to better protect the electronic components; meanwhile, the length, reserved below the bottom of the transmitter assembly, of the heat shrink tube is smaller than the radius of the bottom of the transmitter assembly, so that part of the central area of the bottom of the transmitter assembly cannot be completely wrapped by the heat shrink tube, and epoxy resin is filled between the area and the shell to guarantee good vibration transmission performance; and finally, epoxy resin is encapsulated between the heat shrink tube and the shell until the position near the height of the encapsulation opening on the shell, so that the integrated vibration transmitter which is high in pressure resistance, good in use performance and resistant to impact is formed.

The utility model discloses a new energy charging pile with electric leakage detection, which relates to the technical field of new energy charging piles and comprises a charging pile assembly and a winding assembly arranged on one side of the charging pile assembly, a charging gun component is arranged on one side of the winding assembly, a drying assembly is arranged in the charging pile assembly, and the charging pile assembly comprises a pile body. A through opening groove is formed in one side of the pile body, a protection plate is arranged on one side of the through opening groove, heat dissipation opening grooves are evenly distributed in the middle of the protection plate, the drying assembly comprises a heating plate component fixedly installed in an inner cavity of the pile body, the heating plate component is provided with an installation cavity groove box, and a second motor is arranged on one side of the installation cavity groove box. By means of the arrangement, the problem that an existing new energy charging pile is affected by the humid environment when the new energy charging pile is located outside for a long time is solved through the drying assembly, the pile body can be dried at any time, the problem that the charging pile is likely to break down is solved, and the practicability of the device is improved.

The invention relates to an unmanned aerial vehicle rotor wing with a super-hydrophobic microstructure on the surface and a forming method thereof, aiming at the unmanned aerial vehicle rotor wing, the unmanned aerial vehicle rotor wing comprises a porous curved plate, and the surface of the porous curved plate is densely covered with holes and is used as a core material of the rotor wing; the micron-sized rough surface structure layer is made of a thermoplastic composite material, covers the surface of the porous curved plate and serves as a surface layer of the rotor wing; the reinforcing body is made of a thermoplastic composite material, the holes of the porous curved plate are filled with the reinforcing body, and the reinforcing body and the micron-sized rough surface structure layer are integrally formed. The forming method for the rotor wing of the unmanned aerial vehicle comprises the following steps that S1, stamping and shaping operation is executed, and S2, cleaning operation is executed; s3, executing surface activation treatment operation; s4, injection molding operation is executed, and a micro mold is used for wrapping the porous curved plate subjected to the previous operation; and a carbon fiber grid layer or a glass fiber grid layer is wound and fixed on the surface of the porous curved plate. The unmanned aerial vehicle rotor surface solid-liquid separation device is beneficial to unmanned aerial vehicle rotor surface solid-liquid separation and ice prevention.

The invention provides a regenerated graphite composite negative electrode material, a preparation method of the regenerated graphite composite negative electrode material and a secondary battery. The preparation method of the regenerated graphite composite negative electrode material comprises the following steps: firstly, placing waste graphite in a strong alkali solution for pore-forming treatment to obtain porous regenerated graphite; then, in an inert atmosphere, depositing silane gas on the surface and in pores of the porous regenerated graphite to obtain a composite material; and mixing and granulating the composite material, a binder and a conductive agent, and performing post-treatment to obtain the regenerated graphite composite negative electrode material. According to the preparation method of the regenerated graphite composite negative electrode material provided by the invention, the regenerated graphite composite negative electrode material with relatively high gram volume, cycling stability and fast charging performance can be prepared.

The utility model discloses a photovoltaic system and a buckle cover type waterproof structure thereof, which belong to the field of photovoltaic technology and comprise a waterproof buckle cover arranged at a gap between two adjacent photovoltaic assembly frames. The waterproof buckle cover comprises a water retaining part which shields right above the gap, a buckle part which extends downwards from the water retaining part and is inserted into the gap, and a sealing part which extends from the water retaining part to two opposite sides of the gap and covers the A surface of the photovoltaic module frame, and the buckle part is buckled and fixed with the B surface of the photovoltaic module frame. And a sealing rubber strip is arranged between the sealing part and the A surface of the photovoltaic module frame. According to the waterproof cover plate, a small gap between the sealing part and the A surface is secondarily blocked through the sealing rubber strip, the waterproof reliability is improved, and therefore compared with a conventional waterproof cover plate, the waterproof cover plate can greatly improve the waterproof effect.

The utility model relates to the technical field of automobile awning sunshade curtains, and discloses a clip for an automobile awning sunshade curtain, which comprises an inner support arm, the anti-falling part is positioned at the root part of the inner supporting arm; the supporting part is connected with the anti-falling part; the magnet mounting part is positioned below the supporting part, and a magnet is arranged in the magnet mounting part; and the outer supporting arm is connected with the magnet mounting part. The utility model has the beneficial effects that the structure is more symmetrical, and the stress is easier to balance.

The utility model discloses a two -dimensional code protection device, it includes the fixed plate, the fixed plate one side is provided with the flip, the fixed plate with the hinge between the flip is hinged, the fixed plate inside is provided with two -dimensional code inlay groove, the fixed plate inside is provided with one number and places the groove, the fixed plate with the inside four corners symmetry of flip is provided with a plurality of limit hole, the limit hole inside all are fixedly connected with magnet, one number and places the groove inside fixed connection one rubber strip, the two -dimensional code inlay groove with limit hole between being provided with the protection groove, the protection groove inside fixed connection has no.

This invention discloses a vertical cylinder double eccentric ball joint linkage vacuum check valve and method. The check valve includes a valve body, double eccentric valve discs, a valve stem, a valve cover, a vertical cylinder, and a valve disc shaft support. The valve body has a valve seat hole, and the double eccentric valve discs are rotatably mounted on the valve body via the valve disc shaft. An arc-shaped contact surface is integrally formed on the outer side of the valve discs. Balls are embedded at the bottom of the vertically arranged valve stem, and the balls roll in contact with the arc-shaped contact surface. The valve cover is sealed and fixed to the upper end of the valve body. The vertical cylinder is vertically mounted on the valve cover, and its piston rod is rigidly connected to the valve stem coaxially. The valve disc shaft support is symmetrically fixed to the valve body and supports the valve disc shaft. This solution uses a vertical cylinder coaxial drive combined with ball rolling transmission, eliminating the traditional hard top pressure friction and significantly reducing the opening and closing resistance. The double eccentric valve discs rotate stably, and the closing response speed is faster, effectively solving the defects of slow valve closing and severe seal wear in traditional check valves. The overall assembly is stable and suitable for the long-term airtight operation requirements of industrial negative pressure vacuum systems.

A board edge fixing terminal of a circuit board is used to fix the circuit board on a main board, and comprises: a base, a buckle spring arm, a first limiting arm and a second limiting arm, wherein the base is fixed to the main board and has a first side and two second sides, and the first side and the two second sides correspond to the first board edge and the second board edge of the circuit board respectively; the buckle spring arm is connected to the first side and has a buckle part; the first limiting arm and the two second limiting arms are connected to the first side and the two second sides respectively; wherein the buckle part corresponds to the buckle first board edge, the first limiting arm limits the first board edge, and each second limiting arm limits each second board edge respectively. In this way, the convenience and quick use effect of being able to use without assembly, and the effect of not being easy to fail, damage and having a high yield can be achieved.

The invention specifically discloses a self-supporting cable, and relates to the technical field of wires and cables, the self-supporting cable comprises a cable core, a filling layer and an outer sheath, the cable core comprises a supporting strip and wire cores, the supporting strip is provided with a plurality of supporting grooves arranged along the circumferential direction of the supporting strip, the number of the wire cores is multiple, and the multiple wire cores are placed in the multiple supporting grooves in a one-to-one correspondence manner; the filling layer is formed by extruding ceramic silica gel cement on the peripheral side of the cable core, so that the cable core is stably fixed on the supporting groove; according to the self-supporting cable provided by the embodiment of the invention, when a fire disaster occurs, the filling layer is vitrified and becomes a vitrified shell, the cable core is wrapped in the shell, the cable core is prevented from being in direct contact with flames, and under the combined action of the supporting strips and the vitrified filling layer, the multiple wire cores are stably supported and separated, so that the self-supporting cable has the advantages that the fire disaster is avoided, and the service life of the cable core is prolonged. The cable provided by the embodiment of the invention can bear the spraying impact of water and is not easy to short-circuit, so that the cable is not easy to lose efficacy when bearing the combustion of flame and the spraying impact of water at the same time.

The invention discloses a four-step-in-one negative pressure oil-carrying shutdown method for a styrene dehydrogenation reaction system, and relates to the technical field of styrene dehydrogenation. A negative-pressure steam oil-carrying mode is adopted for the first time, after feeding of the dehydrogenation reaction system is cut off, operation of a tail gas compressor is still maintained, the normal negative-pressure working condition of the reaction system is maintained, and steam oil-carrying under the negative-pressure working condition is carried out; after oil carrying is finished, the tail gas compressor still keeps running, the pressure is gradually increased to micro-positive pressure, and catalyst scorching is conducted; and after scorching is finished, the tail gas compressor is still maintained to operate in the steam cooling and nitrogen cooling processes until nitrogen cooling is finished, the tail gas compressor is stopped, and meanwhile multiple times of starting and stopping of the tail gas compressor are optimized into one-time stopping operation in the stages of steam oil carrying, catalyst scorching, steam cooling and nitrogen circulating cooling. One-time shutdown operation of the tail gas compressor is achieved through negative pressure shutdown, the shutdown operation step sequence of the reaction system is greatly simplified, and the shutdown disposal difficulty of the dehydrogenation reaction system is reduced.

The invention discloses a river and lake water quality ecological purification device and method, and belongs to the technical field of water ecological protection, the river and lake water quality ecological purification device comprises a water quality purification mechanism, and the water quality purification mechanism is provided with two adjusting type putting mechanisms; through telescopic movement of the adjusting assembly, translation adjustment of the spraying assembly can be achieved, the transverse pesticide spraying area is increased, the adjusting assembly stretches out and draws back, the pressurization connecting assembly can be driven to rotate through the rope control assembly, the spraying assembly rotates to conduct spraying, and spraying uniformity is kept; the stirring blades can stir the medicament sinking into the water body from the water surface, the diffusion speed is increased, the spray head set drives the convex balls and the moving wheels to reciprocate to generate extrusion force, the shell and the piston move relatively, and therefore the purpose of pressurization can be achieved, the spraying effect is improved, the spraying assembly can move up and down, and the spraying effect is improved. The medicament feeding operation at different depths is further met, so that the medicament can be quickly and uniformly distributed in the whole polluted area, and the purification effect is improved.

The utility model relates to the technical field of diving accessories, and discloses a Hall switch type underwater photography light supplementing device, which comprises a main shell provided with an opening, an accommodating cavity arranged in an area far away from the opening, and a first transparent plate mounted at the opening; the cover body is fixedly connected with the main shell, the cover body is provided with a second transparent plate, and a sealing ring is arranged between the cover plate and the main shell; the light supplementing lamps are arranged around the opening; the power source is installed in the containing cavity, and the light supplementing lamp is electrically connected with the power source; the Hall switch assembly is installed on the side portion of the main shell and used for controlling the light supplementing lamp to be turned on or turned off. The device has the advantages of being simple in structure, convenient to operate and high in stability, effective control over the light supplementing device and the shooting device is achieved through the Hall sensor, the device is not affected by the water depth, and the device can be applied to various complex diving environments.

The utility model provides a fan device, and aims to improve the heat dissipation performance and reliability of electronic equipment. The device comprises a cylindrical hub and a plurality of blades, wherein the blades are fixed on the outer surface of the hub through riveting structures. The riveting structure is composed of a convex hull and a riveting hole, the convex hull is provided with a cylindrical chamfer structure, is arranged on the riveting plate and is matched with the riveting hole in the hub, and stable connection is achieved. The blades and the hub can be machined separately and then assembled through a simple riveting process, and the method is suitable for various metal machining methods. By means of the design, connection between the blades and the hub is firmer and more reliable, and the impeller is particularly suitable for high-temperature and high-vibration environments. The fan blades and the hub which are made of metal materials have excellent heat conduction performance and durability. The fan device is suitable for various electronic devices needing efficient heat dissipation, such as notebook computers, tablet personal computers, smart phones and game devices.

The invention provides a method, a device and equipment for detecting a travelable area of a limited space and a storage medium, and the method comprises the steps: receiving an RGB image and a depth point cloud when an unmanned vehicle travels in the limited space; performing image analysis on the RGB image to obtain feature parameters; converting the depth point cloud into a depth map, and performing mask processing on the depth map to obtain a depth validity mask and the distance confidence of each point cloud in the depth map; calculating the corresponding RGB reliability of the RGB image under the N scales according to the feature parameters, and calculating the corresponding depth reliability of the depth map under the N scales according to the depth validity mask and the distance confidence; inputting the RGB image, the depth map, the RGB reliability and the depth reliability into a pre-trained network model to obtain a drivable area probability graph; and determining the drivable area of the unmanned vehicle according to the drivable area probability graph. The detection precision of the drivable area of the unmanned vehicle in the limited space can be improved, and the real-time sensing requirement of the unmanned vehicle can be met.

This invention discloses a hydraulic power module, its application, a hydraulic system, a fire truck, and a method. The hydraulic power module, used in the hydraulic system of a fire truck, is suitable for adjusting various hydraulic components. It includes a pressure signal pipeline for monitoring the pressure values ​​of the hydraulic system and controlling the hydraulic output. The pressure signal pipeline collects dynamic pressure values ​​of the hydraulic system in real time, forming a continuous pressure feedback signal. The pressure feedback signal is compared in real time with a preset target pressure value. If the pressure feedback signal continuously deviates from the target pressure value, a fault signal is issued. This hydraulic power module, by setting multiple hydraulic power sources, allows other hydraulic power sources to provide emergency hydraulic power when one source fails, preventing loss of hydraulic power, improving the stability of the hydraulic system, and providing emergency hydraulic power support. The accumulator absorbs pressure signal peaks, stabilizing the pressure signal.

This invention discloses a traditional Chinese medicine composition for replenishing qi and nourishing blood, and its preparation method, belonging to the technical field of food-medicine homology traditional Chinese medicine health care preparations. The composition of this invention uses oyster peptide powder, compound amino acid powder, polygonatum powder, maca powder, eucommia male flower powder, ginseng powder, cordyceps powder, and earthworm protein peptide powder as core active ingredients, supplemented with deer antler powder, deer tendon powder, and deer blood peptide powder to enhance the effects of strengthening the body and nourishing blood. It is combined with xylitol, corn starch, maltodextrin, magnesium stearate, and caramel color as molding excipients. The dosage of each component is precisely controlled. Through a proprietary preparation process involving raw material pretreatment, segmented gradient mixing, and refined post-processing, a 1g / tablet formulation is prepared. The formulation of this invention is rigorously formulated, with clear distinctions between principal, assistant, and adjuvant ingredients, and each component synergistically enhances its effect. It can fundamentally improve problems such as qi and blood deficiency, insufficient vital energy, fatigue, and physical weakness. It has comprehensive efficacy, rapid onset of action, and wide applicability, possessing extremely high industrial promotion and health care application value.

The utility model provides a kind of machining center contact type mechanical tool changing structure, it is related to mechanical tool changing structure technical field, including stand mechanism, the front of the stand mechanism is equipped with main shaft box, the front of the stand mechanism is close to top end place, and punch arm mechanism is installed in the inside of main shaft box, the stand mechanism includes stand main body, the top end of the stand main body is equipped with motor with output end towards bottom, the front of the stand main body is close to top end place and is equipped with punch block, the inside of main shaft box is close to the front place and is equipped with main shaft body, the top end of the main shaft box is close to left side place and is screw-connected with first fastening screw, the periphery of the first fastening screw is equipped with tension spring, the top end of the main shaft box is close to the front place and is screw-connected with second fastening screw, mechanical quick tool changing can be realized, additional transmission device is not needed, with the advantages, such as quick tool changing efficiency, small size, cost saving.

The invention discloses a self-locking tray and a working method thereof. The self-locking tray comprises a tray body. The tray body is of a U-shaped structure, containing grooves with upward openings are formed in the middles of the tops of the two sides of the tray body, and a self-locking mechanism is arranged on the outer side wall of the tray body. The self-locking mechanism comprises a mounting table, a self-locking rod, a shaft pin, a single hook and a push rod; the installation table is located below the containing groove, the push rod is horizontally arranged, the installation table and the push rod are horizontally connected through a spring, a long-strip-shaped hole is formed in one end of the self-locking rod, and a sliding block is connected to the push rod and slidably connected into the long-strip-shaped hole. The bottom of the single hook is rotationally connected with the shaft pin, one side of the single hook is open, and the other side of the single hook is connected with the other end of the self-locking rod. The simple, efficient and reliable self-locking function of the tray is achieved, the stability and safety of goods in the transfer process are improved, and the risk that the goods are damaged and lost is reduced.

The invention discloses a long-acting fluorescent antibacterial coating and a preparation method thereof, and belongs to the technical field of chemical materials. The coating consists of polyurethane and SrAl2O4: Eu < 3 + > and Dy < 3 + > powder dispersed in the polyurethane, according to the invention, the polyurethane-strontium aluminate coating is formed on the surface of the substrate, so that the adhesive force of the coating on the surface of the substrate can be enhanced, the SrAl2O4: Eu < 3 + > and Dy < 3 + > powder can continuously release trace active oxygen free radicals in an illumination environment, and the SrAl2O4: Eu < 3 + > and Dy < 3 + > powder can emit fluorescence in the dark and continuously release the active oxygen free radicals for 2 hours, thereby realizing continuous antibacterial effect. The polyurethane-strontium aluminate coating is prepared in the mode that the polyurethane coating and the SrAl2O4: Eu < 3 + > and Dy < 3 + > powder are mixed and coated, lasting fluorescence is achieved, meanwhile, the long-acting antibacterial effect is achieved, and the existence of the antibacterial effect of the coating can be verified through the existence of fluorescence when no illumination exists; and moreover, no heavy metal ions are released, the environment-friendly effect is achieved, and the problems of bacterium attachment and pollution on the surface of a solid base material are effectively solved.

The invention discloses a haplotype molecular marker related to cotton fiber strength and application of a detection primer of the haplotype molecular marker, and relates to the technical field of plant molecular biology and genetic breeding. The haplotype molecular marker is located in 112, 985, 431-112, 990 and 059bp regions of A06 chromosome of a cotton reference genome, a haplotype block is formed by nine closely linked SNP (Single Nucleotide Polymorphism) sites, the incidence relation between three haplotypes Hap1, Hap2 and Hap3 in the block and fiber strength is defined, and a new molecular target is provided for cotton fiber quality breeding. Compared with a single SNP marker, the haplotype molecular marker provided by the invention has higher stability and phenotype prediction accuracy under a complex genetic background. Genetic typing can be carried out in the cotton seedling stage based on the marker, fiber maturation does not need to be waited, the breeding period is greatly shortened, and the field screening cost is reduced.

The invention relates to the technical field of underground auxiliary transport vehicles, and discloses a mine transport vehicle CO tail gas treatment system, which comprises a tail gas connecting pipe, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe and a gas outlet pipe, the water storage tank is arranged at the end part of the other side of the tail gas connecting pipe and is communicated with the tail gas connecting pipe, and the water storage tank is filled with water; the partition plate assembly is arranged on the inner side of the water storage tank and used for dividing the interior of the water storage tank into a specific path; the fire-retardant drying communicating piece is arranged on the water storage tank, communicates with the water storage tank and is used for fire-retardant and drying of the tail gas; and the CO ablating agent storage tank is arranged on the fire-retardant drying communicating piece and communicates with the fire-retardant drying communicating piece. The CO tail gas treatment system of the mine transport vehicle and the preparation method of the CO ablation block aim at effectively reducing the CO content in tail gas of the mine transport vehicle, improving the air quality in a mine and guaranteeing the health and safety of workers.

The utility model discloses a glass fiber reinforced plastic anti-static pipeline which comprises a pipe wall and conductive connecting pieces, the pipe wall is composed of a glass fiber reinforced resin matrix and comprises a corrosion-resistant lining layer, an anti-static function layer and a structural strength layer from inside to outside, and the conductive connecting pieces are arranged at the two ends of the pipe wall. And the anti-static functional layer is reliably and electrically connected with the conductive connecting pieces at the two ends of the pipe wall. According to the glass fiber reinforced plastic anti-static pipeline, the anti-static functional layer serves as an independent and key structural layer of the pipe wall instead of a surface coating, the anti-static functional layer is not prone to losing efficacy due to abrasion and corrosion, the service life is long, the anti-static capacity is high, meanwhile, the anti-static functional layer is reliably and electrically connected with the end flanges, it is ensured that static electricity is effectively guided out, and the service life is prolonged. Therefore, the anti-static performance of the glass fiber reinforced plastic pipeline is stable and reliable.

The invention relates to the technical field of mortar preparation, in particular to high-performance waterproof dry-mixed mortar and a preparation method thereof. The high-performance waterproof dry-mixed mortar is prepared from the following raw materials in parts by weight: 300 to 400 parts of cement, 550 to 650 parts of quartz sand, 1.5 to 3.0 parts of silane waterproof agent, 15 to 25 parts of hydrophobic redispersible latex powder, 0.2 to 0.5 part of water-retaining thickening agent, 0.5 to 1.5 parts of polycarboxylic acid water reducing agent, 3 to 8 parts of thixotropic lubricant, 0.3 to 1 part of coagulation accelerator, 20 to 50 parts of superfine filler and 0.5 to 1.5 parts of polypropylene fiber. The technical problem of non-uniform dispersion of trace components in high-performance mortar production is solved through the process combination of premixing the water-retaining thickening agent, the polycarboxylate superplasticizer, the thixotropic lubricant and the coagulant and then performing staged low-speed main mixing on the mixture and other raw materials; the effects of excellent waterproof and anti-seepage performance, excellent mechanical property and bonding strength, excellent crack resistance and high durability are achieved.