141results about How to "Reduce penetration" patented technology

The invention discloses a strong acid and alkali resistant plastic material for fume hood surface decoration and a preparation method of the strong acid and alkali resistant plastic material, belongs to the technical field of plastic material processing, and aims at solving the technical problem that in the prior art, the acid and alkali resistance and the bending modulus of a plastic material for fume hood surface decoration need to be further improved. The preparation method specifically comprises the following steps: stirring amino-modified fluorosilicone resin, paraformaldehyde and 1, 4-dioxane in a reaction kettle, dropwise adding an anacardol solution, heating the reaction kettle to 85-95 DEG C, carrying out heat preservation reaction for 6-8 hours, and carrying out post-treatment to obtain the anacardol-based benzoxazine resin. Perfluoro-modified polysiloxane benzoxazine is prepared, naphthalene-containing epoxy resin and imidazole-modified silicon carbide microspheres are compounded, in-situ catalysis synergistic curing is carried out by using filler interface imidazole, a compact organic-inorganic hybrid interpenetrating network is constructed, and the strong acid and alkali corrosion resistance and bending modulus of the material are remarkably improved.

The utility model provides a kind of laying plate for temporary construction road, belong to building construction technical field, to solve the problem of laying plate upper surface water and easily lead to safety hazard.This device includes multiple groups of road board main part, and the two sides of road board main part adjacent are respectively fixedly connected with the upper connecting plate and lower connecting plate connected by cooperation clamping;Connecting block, fixedly connected in the length direction both ends of lower connecting plate or upper connecting plate and provided with threaded hole;Upper slope plate and lower slope plate are set in the outermost side of multiple groups of connected road board main part and respectively connected with lower connecting plate and upper connecting plate clamping;Waterproof pad, set in road board main part and slope board lower surface;The combination surface between lower connecting plate and upper connecting plate, lower connecting plate and upper slope plate, upper connecting plate and lower slope plate is all maze structure.This device is through the form of cooperation clamping of maze and the setting of waterproof pad, reduce the safety hazard caused by laying plate surface water penetration to temporary construction road.

The utility model relates to the technical field of pipeline accessories, and disclose a kind of urban water supply pipeline fast repair joint of self-adapting different pipe diameter, left half ring and right half ring are away from the one end of hinged axle and hinge by bolt and nut detachable installation, the inside of right half ring is embedded with connecting pipe, the outside one end of connecting pipe is connected with external connection pipe, the inside movable mounting of external connection pipe has ball core body, the inside of ball core body is provided with through-hole, the top and bottom of ball core body are all fixedly installed with axle rod, the end of axle rod is fixedly installed with turntable, the outer wall of external connection pipe and located the outside of axle rod is provided with locking assembly. When two rubber pads are folded, the inner arc surface of both is elliptical, because the inner arc surface of rubber pad is larger, the inside of rubber pad is provided with deformation hole, so that the folding of left half ring and right half ring can be well applied to different outer diameter pipes.

This invention discloses the application of the apple MdWRI1 gene in regulating the wax content of apple fruits and leaves, belonging to the field of plant genetic engineering technology. This invention isolates an MdWRI1 gene with high expression levels in apple varieties with high wax content, its nucleotide sequence of which is shown in SEQ ID NO.1. Subcellular localization revealed that the transcription factor expressing the MdWRI1 gene is located in the cell nucleus. Experimental results show that overexpression of the MdWRI1 gene can significantly increase the wax content of apple fruits and leaves by promoting wax biosynthesis, indicating that the MdWRI1 gene plays a key role in regulating the wax content of apple fruits and leaves. This invention provides an efficient and rapid approach for apple breeding, provides genetic material for improving apple quality, and has broad application prospects in improving the economic and ecological benefits of apple cultivation.

The utility model provides a high-melting-point graphite pipe for elemental analysis, which belongs to the technical field of spectral analysis and comprises a circular hollow graphite pipe main body and transverse support parts symmetrically arranged on two sides of the graphite pipe main body, an inner pyrolytic carbon layer is deposited on the inner wall of the graphite pipe, a porous structure is arranged in the inner pyrolytic carbon layer, and an outer compact pyrolytic carbon layer is further deposited on the surface of the inner pyrolytic carbon layer. Through the inner pyrolytic carbon layer and the outer compact pyrolytic carbon layer, in the high-temperature working process, the inner wall pyrolytic carbon layer can be selectively consumed to form a compact glassy carbon film, a self-adaptive protection mechanism enables the graphite tube to still keep stable analysis performance under extreme conditions, reaction or permeation of a detected element and graphite at high temperature is reduced, and the analysis accuracy of the graphite tube is improved. The phenomenon of cross contamination is reduced, the memory effect of the graphite pipe is reduced by 70%, but the memory effect of a traditional pyrolytic graphite pipe can only be reduced by 30-40%, and the graphite pipe is particularly suitable for analysis of high-melting-point elements.

The invention provides a modified epoxy resin water permeable brick and a preparation method thereof. The modified epoxy resin water permeable brick is prepared from the following raw materials in parts by weight: 95 to 105 parts of aggregate, 8 to 15 parts of modified epoxy resin, 1 to 3 parts of curing agent, 5 to 8 parts of composite filler, 0.1 to 0.3 part of exciting agent, 2 to 4 parts of self-repairing component and 1 to 3 parts of diluent. According to the water permeable brick, through the synergistic effect of the organic silicon modified epoxy resin and the special curing agent, the anti-aging performance of the material is improved. The introduced Si-O-Si bond can effectively resist the attack of ultraviolet photons; long-chain alkyl in the curing agent forms a compact physical barrier layer, so that oxygen and moisture permeation is greatly slowed down, the water permeable brick can effectively resist pulverization, yellowing and embrittlement in long-term outdoor use, the compressive strength and the water permeability coefficient of the water permeable brick can still keep an extremely high retention rate after long-term use, the service life is remarkably prolonged, and the water permeable brick is suitable for popularization and application. The industrial pain point that a traditional resin-based water permeable brick is easy to age is solved.

The present application relates to the field of environment-friendly materials and its preparation technology, and particularly relates to a degradable environment-friendly paper cup interior coating and a preparation method thereof. The method comprises the following steps: firstly, synthesizing polymerizable quaternary ammonium salt surfactant (RPKO-X), and then introducing the polymerizable quaternary ammonium salt surfactant and a bio-based polymer solution into a polyacrylate molecular chain by a redox initiation polymerization method, so as to obtain a degradable acrylate emulsion for paper cup interior coating. By introducing the hydrophobic monomer RPKO-X with emulsifier characteristics, a stronger crosslinking network is formed, which can significantly improve the water resistance and oil resistance of the coating. Meanwhile, by introducing the bio-based material polyvinyl alcohol 2688, the environmental friendliness of the coating is enhanced, and the rapid degradation of the coating after use is promoted. By using the redox initiation polymerization system, the method is simple to prepare, can be prepared under mild conditions, and the emulsion particle size is uniform and stable.

This invention relates to the field of oil extraction technology and discloses an oil extraction drill pipe fixing device, including a support base. A limiting block is fixedly connected to the side wall of the support base. During the placement of the slips, the slider is subjected to the squeezing force from the support base, and the slip slides relative to the support base. After sliding along the inclined surface, the horizontal straight distance between the bottom of the slider and the limiting block becomes shorter, and the limiting block can just hold the bottom of the slider. After placement, the limiting rod is pushed to slide into the limiting groove, so that the limiting can be performed at the same time as the slip is installed. When it is removed after use, the operation can be reversed. This avoids the slip being subjected to a large upward impact force that would quickly push the slip out of the wellhead when the well pressure is too high or during a blowout, thus reducing the response time and improving the slip's blowout prevention capability and extending the response time.

The invention belongs to the technical field of asphalt pavement materials, and relates to dynamic crosslinking waste polyolefin plastic modified asphalt which comprises the following components in parts by weight: 100 parts of matrix asphalt and 5-30 parts of dynamic crosslinking waste polyolefin plastic, the dynamic crosslinking waste polyolefin plastic is prepared from the following components in parts by weight: 100 parts of waste polyolefin plastic, 2 to 6 parts of maleic anhydride, 2 to 6 parts of bisphenol A and 0.2 to 0.6 part of dicumyl peroxide. The problems that in the prior art, waste utilization is insufficient, and asphalt performance improvement is not remarkable are solved, dynamic covalent bonds are introduced into asphalt modification through formation of the dynamic covalent bonds in the dynamic crosslinking waste polyolefin plastic, good pavement performance is achieved, and meanwhile, based on reversibility of the dynamic covalent crosslinking structure, the asphalt performance is improved. And the modified asphalt is endowed with good reprocessability.

The invention relates to the technical field of cutting fluid, in particular to cutting lubricating fluid as well as a preparation method and application thereof. The invention provides a special cutting lubricating liquid for finish machining of flutes on the inner wall of an aluminum alloy waveguide, the special cutting lubricating liquid comprises the following components in parts by weight: 89-91 parts of kerosene, 4-6 parts of No.40 engine oil, 0.8-1 part of rapeseed oil, 0.3-0.5 part of tung oil, 0.3-0.5 part of a flame retardant and 0.8-1 part of a penetrant, the composition comprises kerosene, engine oil, rapeseed oil and tung oil, and the flame retardant and the penetrant are supplemented. The lubricating fluid comprehensively solves the problems of built-up edges, oxidation corrosion and cutter wear in deep and narrow flute processing through complementation of advantages of all the components in permeation, lubrication, cooling and film-forming properties.

This invention discloses a high-temperature resistant, high-density water-based drilling fluid for ultra-deep wells and its preparation method, belonging to the field of oil and gas drilling technology. The drilling fluid is composed of the following components in parts by weight: 100 parts water, 2-5 parts high-temperature resistant modified clay, 150-280 parts composite weighting agent, 8-15 parts high-temperature resistant polymer filtration loss reducer, 3-8 parts core-shell type high-temperature resistant flow modifier, 4-10 parts nano-composite plugging agent, and 2-5 parts high-temperature stabilizer. This invention effectively solves the technical problems of rheological runaway, increased filtration loss, and barite sedimentation in ultra-deep well high-density water-based drilling fluids under high-temperature conditions above 220℃ by utilizing the high-temperature expansion-disintegration mechanism of the core-shell type flow modifier, nano- to micron-level multi-stage plugging, and the close packing of spherical and irregular weighting materials. It exhibits temperature resistance up to 220℃ and a density of 2.80 g / cm³. 3 It has the advantages of low filtration loss under high temperature and high pressure and good sedimentation stability.

The present application relates to hoisting belt technical field, specifically to a kind of acid and alkali corrosion resistant marine engineering hoisting belt and its use method, including belt body and two hooks respectively installed in the both ends of belt body, clamps and swivel seat are arranged between hook and belt body, clamp is fixedly connected with swivel seat, belt body includes woven belt and acid and alkali resistant protective sleeve set in the outside of woven belt, the acid and alkali corrosion resistant marine engineering hoisting belt and its use method, when facilitating larger load articles, there can be more degrees of freedom, avoid generating larger instantaneous impact force and pulling apart between woven belt and fixed clamping plate.It can detect the clamping tightness between clamp and woven belt without removing acid and alkali resistant protective sleeve.The woven belt, clamp and swivel seat are corroded by seawater and salt mist penetration isolated by acid and alkali resistant protective sleeve.And after being eroded by seawater, acid and alkali resistant protective sleeve can be disassembled and cleaned.

The utility model discloses a rapid smoke sealing device for fire fighting. The rapid smoke sealing device comprises a device frame and a baffle, the device frame is pre-arranged in a wall body, and a through groove of the device frame corresponds to a door or a window in position; the interior of the device frame is hollow to form a containing groove, and the blocking plate is arranged in the containing groove. Mounting cavities are formed in the upper portion and the lower portion of the containing groove and the through groove correspondingly, and transmission structures are arranged in the mounting cavities. The blocking plate is arranged at the transmission end of the transmission structure, the blocking plate is driven by the transmission structure to move, and then closing and opening of the through groove are achieved. The frame of the device is embedded into a wall body in advance and is flush with the surface of a building at ordinary times, when a fire occurs, environmental data are monitored in real time through the temperature sensor and the smoke sensor, closing and alarming of the barrier plate are controlled through the control main board, and the gold disposal time at the initial stage of the fire is effectively shortened.

The invention relates to a high-hardness polyurethane adhesive as well as a preparation process and application thereof, and belongs to the technical field of polyurethane materials. The high-hardness polyurethane adhesive comprises a component A and a component B. The component A comprises the following raw materials in parts by weight: 30-50 parts of polyether polyol, 10-20 parts of a cross-linking agent, 5-10 parts of a composite filler, 0.5-1 part of a catalyst and 0.5-1 part of an antioxidant; and the component B is polyisocyanate. The adhesive prepared by the invention has high hardness and good toughness.

The invention relates to the technical field of building waterproof composite materials, in particular to an organic silicon modified resin building waterproof composite material and a preparation method thereof. Comprising a waterproof roll and a waterproof coating arranged on the surface of the waterproof roll, the waterproof coating is prepared from the following components in parts by weight: 20 to 32 parts of silane modified polyether, 15 to 30 parts of organic silicon modified resin, 5 to 10 parts of polysaccharide-based composite polylactic acid, 8 to 12 parts of plasticizer, 1 to 3 parts of curing agent, 0.5 to 2 parts of titanium dioxide and 0.5 to 3 parts of water removal agent. An organic silicon structure in the prepared waterproof composite material has the characteristic of low surface energy, so that the surface of a coating presents strong hydrophobicity, and liquid water permeation is effectively blocked; the waterproof coating can be matched with a compact cross-linked network structure to form a continuous and seamless waterproof film, realizes high hydrostatic pressure resistance and low water absorption, and is suitable for key waterproof parts such as roofs, basements and toilets.

The utility model relates to the technical field of desktop heightening frames, and discloses a hidden socket type desktop heightening frame which comprises a frame body, a lower shell piece and a row plug-in unit, the frame body is used for assembling a display screen, the frame body and the lower shell piece are assembled, a frame cavity is formed in the frame body, a lower shell cavity is formed in the lower shell piece, the frame cavity and the lower shell cavity are arranged in a communicated mode, and the row plug-in unit is arranged in the frame cavity. The row plug-in unit is arranged on the lower shell part, the display screen is communicated with the row plug-in unit through a power line, the frame body is provided with a conductive part, the conductive part is communicated with the row plug-in unit, and the conductive part is used for supplying power to electronic equipment. Under the cooperation of the frame body and the lower shell part, the row plug-in unit is arranged in a built-in mode, so that different power lines are arranged in a built-in mode and connected with the row plug-in unit in an inserted mode, direct exposure of all the power lines is effectively avoided, the risk that the power lines are interspersed and wound is effectively reduced, in addition, the arrangement of data lines or the power lines is reduced in cooperation with conductive parts, and the cost is reduced. The periphery of the desktop heightening rack is more concise, and the use experience of the desktop heightening rack is improved.

The application discloses a drainage bag with an antibacterial functional layer and a preparation process thereof, and relates to the technical field of medical materials, and comprises the following steps: adding modified montmorillonite into N, N'-dimethylacetamide, uniformly mixing through ultrasonic, adding a polyurethane film, ultrasonic immersion for 60-120 min, drying, and obtaining a drainage bag substrate; adding polylactic acid into N, N-dimethylformamide, uniformly stirring and mixing, adding modified nano zinc oxide, uniformly mixing through ultrasonic, and then performing electrospinning to obtain an antibacterial coating fiber film; placing the antibacterial coating fiber film on the inner side surface of the drainage bag substrate, high-frequency heat sealing, assembling, and obtaining the drainage bag.

The utility model relates to the technical field of electronic wires, in particular to an anti-corrosion electronic wire which comprises a battery core conductor, a spiral groove is arranged on the outer side surface of the battery core conductor, conductive gel containing benzotriazole is filled in the spiral groove, a conductive layer is sleeved on the outer side of the battery core conductor, a chemical passivation layer is arranged on the outer side of the conductive layer, and an anti-corrosion layer is arranged on the outer side of the chemical passivation layer. The outer side of the chemical passivation layer is sleeved with a physical blocking layer, the outer side of the physical blocking layer is provided with a fireproof mica layer, the outer side of the fireproof mica layer is sleeved with a shielding layer, the outer side of the shielding layer is sleeved with an armor layer, and the outer side of the armor layer is sleeved with an anti-corrosion sheath. Through the synergistic effect of the chemical passivation layer and the four-layer composite anti-corrosion sheath (the W61-3 organic silicon coating, the graphene epoxy coating, the nano modified layer and the PTFE glass fiber composite layer), a chemical and physical dual protection system is formed, the cable can resist complex corrosion environments such as acid, alkali, salt and humid and hot atmosphere, and the protection life is prolonged by more than three times.

The invention provides a gallium nitride-based semiconductor laser with a gradient radiation recombination coefficient waveguide layer, which is characterized in that a lower waveguide layer and an upper waveguide layer are respectively a gradient radiation recombination coefficient lower waveguide layer and a gradient radiation recombination coefficient upper waveguide layer; and a fitting curve of In ion strength distribution or In atom concentration distribution and a fitting curve of radiation recombination coefficient distribution of the waveguide layer on the gradient radiation recombination coefficient both meet any function distribution of GaussAmp, InvsPoly and Hill in an SIMS test. A fitting curve of In ion strength distribution or In atom concentration distribution and a fitting curve of radiation recombination coefficient distribution of the waveguide layer under the gradient radiation recombination coefficient both meet BiDoseResp function distribution in an SIMS test. According to the invention, carriers, quantum recombination and a light field are efficiently localized, the laser gain is improved, the carriers and the light field are efficiently localized in an active layer (quantum well), meanwhile, non-radiative recombination and absorption loss of a waveguide region are inhibited, and the threshold current, slope efficiency and reliability are further improved.

The invention relates to the technical field of building materials, and particularly discloses an anti-freezing concrete prefabricated part and a preparation method thereof, the anti-freezing concrete prefabricated part comprises the following raw materials by weight: 300-360 parts of cement, 40-60 parts of fly ash, 90-110 parts of mineral powder, 642-662 parts of natural sand, 1000-1100 parts of gravel, 7-9 parts of an additive, 150-170 parts of water, 0.5-1.5 parts of polypropylene glycol fiber, and 3-8 parts of phase change self-repairing microcapsules. The prepared anti-freezing concrete prefabricated part has the advantage of being good in anti-freezing performance.

The utility model relates to the technical field of road tests, and discloses a road base material universal testing machine which comprises a machine base, a conveying base is fixedly installed on the bottom side of the machine base, a filtering box is movably installed on the inner side of the conveying base, and a water accumulation box is installed on the bottom side of the conveying base through bolts. The simulated road is placed on the inner side of the groove in the top side of the machine base, in the using process, through the partition plate, supporting uniformity can be improved, meanwhile, it can be avoided that the simulated road makes direct contact with the groove, and consequently the permeability of simulated rainwater in the later period is reduced; the electric push rod is started to drive the splash-proof cover to move downwards and extrude and limit the periphery of the simulated road, so that the situation that the test precision is influenced by side wings of the simulated road when rainwater is simulated is avoided, and in the rainwater simulation process, a water source is prevented from splashing under the action of the splash-proof cover, and the test efficiency is improved. And the viewing and observation of workers are influenced while the resources are wasted.

The utility model discloses a kind of composite aluminum alloy windows of high-efficiency sound insulation and heat insulation, including two groups of beam body, sound insulation cavity is set in the beam body, sound insulation block is filled in the sound insulation cavity, multiple hexagonal through-holes are passed through and set in the outer wall of sound insulation block, two groups of the beam body are connected by heat insulation bridge, the outer wall of beam body is provided with connecting groove and connecting along, multiple support columns are set in the sound insulation cavity, multiple the support column is obliquely arranged alternately, and inside is hollow shape.The utility model fills sound insulation block with hexagonal through-hole in beam body sound insulation cavity, and the layout of zigzag of hollow support column is alternately inclined, convert traditional single, double-cavity linear type sound wave path into composite path of multiple refraction+multiple reflection, effectively weaken the penetration of medium-high frequency noise, simultaneously, hollow structure of support column can be filled with sound-absorbing material, further inhibit structure sound transmission, solve the problem that traditional profile cavity directly conducts noise and is easy to deform after filling.

This invention relates to the field of lithium battery packaging materials technology, and discloses a flexible packaging film for battery cells and its preparation process. The flexible packaging film comprises a protective outer layer, a first adhesive layer, an aluminum foil layer, a second adhesive layer, and a heat-sealing inner layer stacked sequentially, wherein a corrosion-resistant bonding layer is disposed between the aluminum foil layer and the second adhesive layer. The corrosion-resistant bonding layer is formed by curing and cross-linking a coating liquid containing a surface-functionalized graphene oxide-supported nano-layered zirconium phosphate composite on the surface of the aluminum foil. The heat-sealing inner layer is a multilayer co-extruded functional polypropylene film layer comprising an adhesive transition layer, a support layer, and a heat-sealing layer. By constructing a corrosion-resistant bonding layer at the aluminum foil interface and optimizing the multilayer structural design of the heat-sealing inner layer, the stability of the aluminum-plastic composite interface, the heat-sealing reliability, and the overall mechanical compatibility can be improved, thereby improving the comprehensive performance of the flexible packaging film for battery cells under high temperature, high humidity, and electrolyte contact conditions, making it suitable for the packaging of power batteries and energy storage batteries.

The utility model discloses a kind of heating disc and the liquid heater applied to it, it is related to heating disc technical field, comprising have: stainless steel contact layer, the stainless steel contact layer is used to directly contact with liquid, realize the heating conduction of liquid;Stainless steel base layer, the stainless steel base layer is used to bear thick film circuit or heating element, realize heat generation and conduction;Aluminum alloy soldering layer, the aluminum alloy soldering layer is between stainless steel contact layer and stainless steel base layer, for the welding of auxiliary stainless steel contact layer and stainless steel base layer;Stainless steel contact layer and stainless steel base layer of using S316 or S304 material, collocation porous aluminum alloy soldering layer, avoid heating disc surface rust, corrosion, prolong the service life of heating disc, while enhanced the overall structural stability of heating disc, and effectively improve heating efficiency, shorten the time of liquid heating.

The invention belongs to the field of power supply and dispatching, and provides a method for optimizing and analyzing the capacity ratio of a follow-up network hybrid system based on a small signal model, which comprehensively considers the voltage and frequency stability of the system so as to determine the optimal capacity ratio of the follow-up network hybrid energy storage system in different power grid scenes. The method comprises the following steps of: firstly, establishing a full-order state space small signal model of a network-following hybrid grid-connected system according to different expressions of a network-following converter control loop; then, a characteristic value analysis method and a participation factor analysis method are utilized to analyze the lowest network construction permeability of the basic requirement for maintaining the system stability under different power grid strengths, and it is revealed that dominant control links influencing the system stability under different working conditions and parameters are different.

The application discloses an inorganic silicon modified water-based corrosion and rust prevention paint containing functional polysiloxane as well as a preparation method and application thereof. The paint contains, in parts by weight, 30-60 parts of a water-based hybrid acrylic emulsion, 1-15 parts of functional polysiloxane, 5-25 parts of inorganic silicon-based corrosion inhibitor filler, 10-40 parts of pigment and filler, 1-5 parts of water-based additive, and the balance of water. The functional polysiloxane is amino or silanol / alkoxy functionalized polysiloxane emulsion; and the inorganic silicon-based corrosion inhibitor filler is a combination of calcium ion exchange type silica gel pigment and calcium silicate. The inorganic hybrid emulsion, the functional polysiloxane and the inorganic silicon corrosion inhibitor pigment are compounded to endow the coating with excellent physical shielding property, active corrosion inhibition and surface hydrophobicity, realize fast drying, high hardness, excellent water and salt fog resistance and long-acting corrosion prevention performance, and especially can adapt to the harsh requirements of marine environment for the water-based corrosion prevention paint, which has important significance for the development of the shipbuilding industry.

The utility model relates to disaster relief tent device technical field, especially disaster relief tent of moistureproof, including disaster relief tent main part, the bottom of disaster relief tent main part is provided with moistureproof subassembly, moistureproof subassembly includes the multiple sets of ground support base of isolation from disaster relief tent main part bottom and ground water vapor, the utility model discloses a ground support base is set up in the bottom of disaster relief tent main part, and sets up the moisture absorption box in the ground support base inside, can directly isolate the water vapor of disaster relief tent main part and ground, and the ground support base of multiple sets of ground support base is through the bottom of disaster relief tent main part, can avoid the direct contact of disaster relief tent main part with ground, reduces the water vapor penetration from the source, at the same time, can adsorb the water vapor in the ground support base, guarantees the dryness in the ground support base, reduces the possibility of water vapor invasion, can prevent the tent ground and bedding damp, reduces the health risk of cold, rheumatism etc.

The invention discloses a two-component water-based instant adhesive and a preparation method thereof, the two-component water-based instant adhesive comprises a component A and a component B. The component A specifically comprises the following components: 4.0-4.5 parts of polyvinyl alcohol, 0.1-0.2 part of sodium bicarbonate, 0.15-0.2 part of ammonium persulfate, 0.1-0.2 part of a BYK024 defoaming agent, 25.0-26.0% of vinyl acetate, 8.0-9.0% of a functional crosslinking monomer, 1.0-1.5 parts of methacrylic acid, 1.0-1.5 parts of chloroprene rubber, 0.12-0.15 part of a TEGO Dispers 610S dispersing agent, 10.0-11.0 parts of calcium carbonate, 0.1-0.12 part of sodium benzoate and 50.43-45.63 parts of water; the component B comprises the following components in parts by weight: 7.0 parts of a curing agent, 0.6 part of an accelerant, 1.0 part of a catalyst and 91.4 parts of water. The two-component water-based instant adhesive disclosed by the invention can realize instant adhesion and is harmless to a human body and the environment.

The utility model relates to the technical field of river side slopes, in particular to a flood control device for a river side slope. Comprising a vertical part and an inclined part at the upper end of the vertical part, the upper end of the inclined part inclines towards the outer side of a river channel, the vertical part and the inclined part are integrally formed to form a slope protection part, the slope protection part is hollow, the upper end of the inclined part is open, and a plurality of through holes are formed in the side, facing the river channel, of the inclined part in a rectangular array. A supporting plate is fixed to the portion, below each row of through holes, of the inclined part, and a groove and a protruding edge are arranged at the two ends of the protection slope correspondingly and correspond to each other. And the vertical part and the inclined part are integrally formed, so that the problem of weak joints of a traditional segmented structure is solved, and the overall anti-scouring capacity is enhanced. The grooves and the convex edges of the adjacent protection slopes are quickly embedded to form a continuous and compact protection surface, so that the risks of water flow permeation and local damage are reduced, and the protection structure is particularly suitable for river channels with high silt content.

The invention discloses a moxibustion gasket and a moxibustion box set, and relates to the technical field of moxibustion gaskets, the moxibustion gasket comprises an anti-scald structure and a heat conducting strip, the anti-scald structure is used for being placed between a moxibustion box and skin, and the anti-scald structure comprises multiple layers of anti-scald films arranged at intervals in the first direction; wherein a mounting space is formed between two adjacent layers of anti-scald films; the heat conducting sheet is placed in the mounting space and is used for being aligned with a target acupuncture point when the moxibustion pad is placed on the skin; according to the technical scheme, the problems that according to an existing moxibustion anti-scald gasket, transfer of moxibustion heat is reduced, and the permeation effect of the medicine effect of a moxa stick to the deep position of an acupuncture point is reduced are solved.