95results about How to "Good extensibility" patented technology

The invention relates to the field of aluminum alloy plates, and discloses a high-strength corrosion-resistant marine aluminum alloy plate and a processing technology thereof.The aluminum alloy plate comprises an aluminum alloy base material and a corrosion-resistant coating, and the aluminum alloy base material is prepared from, by weight, 0.4%-0.8% of Si, 0.5%-0.7% of Fe, 0.15%-0.4% of Cu, 0.1%-0.15% of Mn, 0.8%-1.2% of Mg, 0.04%-0.35% of Cr, 0.1%-0.25% of Zn, 0.05%-0.15% of Ti and the balance Al and inevitable impurities; the anticorrosive coating comprises the following raw materials in parts by weight: 40-65 parts of epoxy resin, 5-15 parts of a composite nano material, 3-7 parts of a modified curing agent, 1-5 parts of a curing agent, 1-3 parts of a wetting agent, 0.5-1 part of a defoaming agent, 0.1-1 part of a flatting agent and 0.1-0.5 part of a dispersing agent; the surface of the prepared aluminum alloy base material is coated with the anti-corrosion coating, the plate is subjected to subzero treatment after casting forming, and the composite nano material and the modified curing agent are added, so that the plate is endowed with excellent impact strength, corrosion resistance and flame retardance.

The invention relates to the technical field of titanium alloy rolling processing, and discloses a method for inhibiting surface cracking in the rolling process of a high-strength titanium alloy thick plate, which comprises the following steps: selecting a titanium alloy plate blank, and preheating the plate blank; the preheated plate blank is subjected to surface multi-pass rolling treatment, and the roll gap set in the later-pass rolling treatment is smaller than that in the previous-pass rolling treatment; remelting and heating the plate blank, wherein the heating temperature is higher than the preheating temperature; the plate blank is discharged out of the furnace and subjected to multi-pass rolling, a rolled plate blank is obtained, and the rolling pass rolling reduction is controlled to range from 5 mm to 25 mm; and the rolled plate blank is straightened on line and then air-cooled to the room temperature. According to the method, the surface layer of the plate blank substrate is subjected to structure prefabrication, the surface plasticity is improved, the extensibility in the rolling process is improved, and generation of surface cracks is restrained.

The invention belongs to the technical field of building materials, and discloses a non-asphalt-based non-curing waterproof coating as well as a preparation method and application thereof. The waterproof coating comprises the following components: liquid resin, a thermoplastic elastomer modifier, a rubber modifier, a cross-linking agent, an accelerant, a filler, a chemical root inhibitor, a plasticizer, a dispersant, and at least one of optional pigment, a resin modifier, an antioxidant and a deodorant. The non-asphalt-based non-curing waterproof coating disclosed by the invention has high extensibility and thermal aging resistance.

The invention discloses an anti-oxidation and anti-corrosion coating for an aluminum electrolysis carbon anode and a preparation method of the anti-oxidation and anti-corrosion coating, the coating comprises the following components in percentage by mass: 30%-40% of a main component, 15%-25% of a secondary component, 10%-15% of a binder, 15%-25% of an anti-corrosion additive and the balance of water, and the main component comprises white corundum powder, red corundum powder and microcrystalline corundum powder; the secondary component comprises a secondary component 1 and a secondary component 2, and the secondary component 1 comprises phlogopite, biotite and soda mica; the secondary component 2 comprises potassium feldspar, albite and anorthite; the binder is sodium water glass and potash water glass. The anti-oxidation and anti-corrosion coating for the aluminum electrolysis carbon anode is simple and convenient to prepare, the carbon anode in work can be well protected after being coated with the anti-oxidation and anti-corrosion coating, the weight loss ratio of samples of all embodiments is calculated to be only about 0.8%, and the problems of anode oxidation and coating corrosion are effectively relieved.

The present invention provides a (meth) acrylic resin film, an adhesive sheet, and a polarizing film which use a (meth) acrylic resin composition having excellent folding resistance, cutting resistance, extensibility, and solvent resistance to improve adhesion to an adherend while maintaining optical characteristics. The (meth) acrylic resin film is obtained by laminating a first resin layer and a second resin layer, and the first resin layer is obtained by crosslinking a first (meth) acrylic resin composition containing a first (meth) acrylic polymer, a rubber compound, a first crosslinking agent, and a first antioxidant. The second resin layer is obtained by crosslinking a second (meth) acrylic resin composition containing a second (meth) acrylic polymer, a second crosslinking agent, and a second antioxidant, and becomes a clinging improving resin layer of the first resin layer, the thickness of the first resin layer being 10 [mu] m or less, and the thickness of the second resin layer being 5 [mu] m or less. The haze value of the (meth) acrylic resin film is 1.0% or less.

The invention relates to the field of weaving technology, and in particular to a warp knitting imitating woven jacquard process manufacturing method, mesh cloth and shoe upper, including a comb setting step, a warping step, a yarn threading step, and a weaving step. The invention not only has the appearance and texture of woven fabrics, a flat cloth surface, good drape and other advantages, but also has the advantages of warp knitting fabrics being crisp, good anti-loosening property, good extensibility, good dimensional stability, and not easy to have fringes. During weaving, due to the good anti-loosening property, the coil loosening defect caused by broken yarn and holes in weft knitting fabrics can be effectively solved. The invention has high output, low price, high speed, and the warp knitting fabric is not easy to have fringes, which can effectively solve the fringing defect of woven fabrics and break through the limitations of traditional processes.

The utility model provides screen forming equipment for TPU (thermoplastic polyurethane) welding. The screen forming equipment comprises a screen plate sub-part transferring assembly arranged on a welding platform and a screen plate sub-part for pressing the side edge of the butt joint edge of the screen plate sub-part, the hot air welding mechanism is positioned above the to-be-welded areas of the two separated parts and is used for performing hot air blowing treatment on a butt edge gap; and the fusion area pressing and forming assembly is used for pressing and forming the fusion area of the butt joint edges of the two screen plate sub-parts. According to the invention, the large-scale or even ultra-large-scale integral injection-molded part is formed through a welding process mode of firstly carrying out injection molding on the small components and then carrying out butt joint one by one to carry out hot fusion cooling, so that the technical problem that large-scale or ultra-large-scale injection-molded parts are difficult to produce or even cannot be produced in the prior art is solved; therefore, injection molding parts with large boundary dimensions and ultra-large boundary dimensions can be manufactured with a simple process method and cost, and curved edges or annular butt joint or hybrid welding of injection molding modules with different colors can be achieved.

The present invention discloses a high-strength, high-toughness, high-conductivity graphene aluminum-based composite conductor, comprising the following weight percentage (%) components: silicon 0.02-0.15, iron 0.2-1.0, copper 0.1-0.40, vanadium 0.01-0.08, graphene 0.01-0.7, zirconium 0.04-0.06, boron 0.05-0.08, rare earth 0.02-0.5, the remainder is aluminum and impurities, a single impurity <0.03, the total ≤0.10, wherein the maximum total content of iron and silicon is 1.1. Contains ZrB 2 Phase, the content is 0.001~0.002%; contains nano-Al 3 Zr dispersed phase, content 0.002 ~ 0.003%, including nano Al 3 Zr dispersed phase is distributed near the grain boundary; grain size is 47-56μm, tensile strength is 164-183MPa, elongation is 25.4-27.8%, conductivity is 63.0-64.2% IACS, impact toughness is 22-25 J / cm 2 , creep is less than 0.2%. It can be used in the manufacture of cable conductors, with good high strength, good elongation and high impact toughness.

The invention relates to the field of food processing, and particularly discloses yeast improved frozen dough and a preparation method thereof. The yeast-improved frozen dough comprises the following raw materials in parts by weight: 800-1000 parts of a flour mixture, 3.2-4 parts of a yeast composition, 0.8-1 part of table salt, 4-5 parts of sugar, 400-500 parts of distilled water and 5-6.25 parts of a freezing improver, and the yeast composition comprises selenium-enriched yeast, silver carp zymolyte, calcium chloride and short-cluster-shaped maltodextrin in a mass ratio of 1: (0.4-0.8): (0.1-0.2): (0.3-0.5). The frozen dough has the advantages that the survival rate and activity of yeast can be improved, the gluten protein structure is increased, the specific volume and texture characteristics of flour products are improved, and the taste is improved.

The invention relates to the technical field of fully mechanized coal mining face early warning, and discloses a thin seam fully mechanized coal mining face abnormity early warning method and system, and the method comprises the steps: building an improved YOLOv5s visual abnormity monitoring model according to collected small sample abnormal data; enriching the initial top plate abnormal image and the initial hydraulic support abnormal image to obtain an expanded top plate abnormal image and an expanded hydraulic support abnormal image; taking the initial top plate abnormal image and the extended top plate abnormal image together as a top plate abnormal image data set, taking the initial hydraulic support abnormal image and the extended hydraulic support abnormal image together as a hydraulic support abnormal image data set, and performing model training to construct an improved YOLOv5s visual anomaly monitoring model; and inputting the defogged image into the model, and when the monitoring result is that the top plate is in an abnormal state or the hydraulic support is in an abnormal state, generating an early warning signal. Based on the small sample abnormal data, the problems of early warning accuracy and timeliness in the thin coal seam space are effectively solved.

The invention provides an anti-fatigue copper alloy for a dynamic cable and a preparation method of a copper alloy strip. The anti-fatigue copper alloy for the dynamic cable comprises the following components in percentage by mass: 8%-27% of Ni, 1.5%-3.2% of Mn, 0.5%-2.2% of Ag, 0.5%-2.2% of Al, 0.4%-1.3% of Sn, 0.25%-1.1% of Ti and the balance of Cu. The anti-fatigue copper alloy for the dynamic cable comprises the following components in percentage by mass: 8%-27% of Ni, 1.5%-3.2% of Mn, 0.5%-2.2% of Ag, 0.5%-2.2% of Al, 0.4%-1.3% of Sn, 0.25%-1.1% of Ti and the balance of Cu. According to the anti-fatigue copper alloy for the dynamic cable, the anti-fatigue performance, the strength, the extension performance and the corrosion resistance of the copper alloy can be remarkably improved, and the use requirement of a complex environment is met.

The invention discloses a Q235G continuous casting billet and a rolling method thereof. In the rolling process, the mass ratio of Mn to S is controlled to be larger than or equal to 8.5. According to the method, the Mn alloy is added in the tapping procedure, and the content of the Mn element in the molten steel is adjusted again according to the content of the S element in the LF refining process, so that the mass ratio of Mn to S reaches that Mn / S is larger than or equal to 8.5, the hot brittleness phenomenon caused by precipitation of low-melting-point FeS at the grain boundary is avoided, the strength, high-temperature plasticity and forging plasticity of the Q235G steel are improved, and the quality of the Q235G steel is improved. And it is guaranteed that the blank has better extensibility and fluidity in the rolling process, and the quality defect that the blank is rolled through in the rolling process is avoided.

The invention discloses a multi-section vehicle system integrating soil cutting and continuous soil conveying functions, and belongs to the technical field of building construction. Comprising an earth cutting vehicle which is provided with a rotary digging head and an earth cutting vehicle conveying mechanism, and the rotary digging head is in butt joint with the earth cutting vehicle conveying mechanism; a first machine table conveying mechanism and a second machine table conveying mechanism are arranged at the front end and the rear end of the transition conveying vehicle correspondingly; the telescopic conveying vehicle is provided with a telescopic conveying mechanism and is used for earthwork conveying and unloading; the earth cutting vehicle conveying mechanism, the first machine table conveying mechanism, the second machine table conveying mechanism and the telescopic conveying mechanism are in butt joint in sequence, so that the earth cutting vehicle, the transition conveying vehicle and the telescopic conveying vehicle form a vehicle system integrating earth excavation, conveying and discharging. A transporter does not need to be arranged on an excavation site to carry earthwork independently, only the earth cutting vehicle carries out excavation work, the problems of time waste and low efficiency caused by the fact that the transporter enters and exits the construction site independently in traditional construction are solved, and the overall construction efficiency is improved.

The drip irrigation structure for landscaping comprises two installation pipes, the ends, close to each other, of the two installation pipes are fixedly connected with a telescopic base plate, the telescopic base plate is of an arc-shaped structure, a containing cavity is formed in the telescopic base plate, an insertion hole is formed in the inner bottom of the telescopic base plate, and the insertion hole is communicated with the containing cavity. A plurality of connecting structures are arranged on the outer sides of the two mounting pipes, bolt holes are formed in the connecting structures, and the bottom ends of the connecting structures are fixedly connected with the top end of a telescopic rod. The drip irrigation water pipe penetrates through the mounting pipe and is placed on the telescopic base plate, so that the drip irrigation water pipe is suspended, the situations that a water dropper is blocked and the drip irrigation water pipe is treaded or crushed can be avoided, meanwhile, the whole structure for the overhead drip irrigation water pipe has very good extensibility, and a structure can be additionally arranged through a connecting structure; and the telescopic chassis is contracted, so that the storage performance is very good.

The synthetic leather fabric comprises a fabric body, a reinforcing layer is arranged in the fabric body, a wear-resistant layer is arranged on the outer side of the reinforcing layer and located in the fabric body, a middle layer is arranged at the end, away from the wear-resistant layer, of the outer side of the reinforcing layer, and a comfortable layer is fixedly connected to the bottom of the middle layer. The reinforcing layer is used for reinforcing the strength of the fabric main body; the wear-resistant layer is used for improving the wear resistance of the fabric main body; the comfortable layer is used for improving the use comfort of the fabric body, the reinforcing layer is composed of first connecting lines and second connecting lines, the multiple sets of first connecting lines are located in the fabric body, and the multiple sets of second connecting lines are located in the fabric body and located on the outer sides of the first connecting lines. The wear-resistant synthetic leather fabric has the beneficial effects that the wear-resistant effect and the tensile strength of the synthetic leather main body are improved, the probability that the synthetic leather main body is worn is reduced, and the overall practicability of the synthetic leather fabric is improved.

The invention discloses a high-temperature-resistant and corrosion-resistant aluminum alloy capable of being used for a high-pressure die-casting process. The high-temperature-resistant and corrosion-resistant aluminum alloy comprises the following components in percentage by weight: greater than or equal to 94% of A00 aluminum and 2.0-2.5% of Ni; the content of Mn is 1.5%-2.0%; the Fe content is less than or equal to 0.5%; the content of Si is less than or equal to 0.5%; the content of Cu is less than or equal to 0.3%; the content of Mg is less than or equal to 0.3%; by controlling the aluminum-manganese-nickel alloy made of materials such as aluminum, manganese and nickel, the requirement of a high-pressure die-casting metal product can be met, the minimum wall thickness of the product can reach 1 mm, the average aluminum content of the aluminum-manganese-nickel alloy reaches 94%, die-casting forming is met, the demolding effect is good, filling is uniform, the product reduction phenomenon is avoided, and the production cost is reduced. The aluminum-manganese-nickel alloy is free of deformation, slump and bubbling on the surface during high temperature implementation, the high temperature resistance and corrosion resistance of the aluminum-manganese-nickel alloy are improved, the melting point of the aluminum-manganese-nickel alloy is larger than 630 DEG C, the extensibility and tensile strength are improved, and the reliability and safety of the light alloy material applied to the gas cooker industry are improved.

The invention discloses a heat-resistant high-strength aluminum alloy and a preparation method thereof, and relates to the technical field of metal materials. The preparation method comprises the following steps: mixing metal erbium and metal titanium with other metal raw materials of the aluminum alloy, carrying out heat treatment on erbium and titanium to form a nano precipitated phase with a double-layer structure, and homogenizing a metal melt through ultrasonic treatment; metallic titanium and a metastable phase can form a complex strengthening phase at a high temperature, eutectic silicon and multi-phase metal form a compound net structure, and the heat resistance of the alloy is remarkably improved; secondly, porous boron carbide particles are prepared through vacuum sintering and ground to the nanoscale, the content of impurity elements is reduced after boronizing reaction, grains can be refined to form fine dispersed precipitated phases, growth of the grains is hindered, the recrystallization temperature is increased, and the heat resistance is optimized; the alloy is subjected to high pressure through two-stage cold pressing, so that gas in the alloy is exhausted and tightly combined, the strength and compactness of the alloy are further improved, and the mechanical property is improved. The prepared aluminum alloy has the effects of high strength and high heat resistance.

The utility model relates to a three-dimensional turf reinforced mesh pad, which belongs to the field of geotextile materials for filling slope protection and greening, and is of a fabric structure consisting of warp yarns and weft yarns, the warp yarns and the weft yarns adopt polypropylene round yarns or flat yarns, and the warp yarns and the weft yarns jointly act to respectively form convex-concave parts and warp and weft yarn long floating thread parts on the surface of the fabric. The two connecting rods are arranged at intervals or in a delta shape; the weave structure of the convex-concave part is a honeycomb weave or a variable honeycomb weave, and the weave structure of the warp and weft long floating thread part is a variable rip weave; the slope surface has the advantages of being high in strength, good in extensibility and high in ultraviolet aging resistance, can be better combined with plant turf, improves the erosion resistance of the slope surface, improves the engineering quality and prolongs the service life.

The present invention discloses a dimensionally stable and elastic warp knitted fabric for medical inner wear and a preparation method thereof. The fabric comprises in sequence a first filament coil layer; a second filament coil layer; a base layer; a first filament extension line layer; and a second filament extension line layer. The fabric of the present invention is comfortable and durable, has good elasticity, extensibility and breathability; has a stable structure, a flat surface, and is anti-see-through; has durable antibacterial, antistatic, moisture absorption and quick drying functions; can withstand high-temperature chlorine bleaching disinfection in hospitals, has good dimensional stability, and is not easy to wrinkle; does not contain short fiber yarns, does not produce flying catkins, and can be used in all occasions including operating rooms.

The invention discloses a feed mixing device with balanced feed nutrition, and relates to the technical field of feed mixing devices. The feed mixing device with balanced feed nutrition comprises a base and supporting columns vertically and fixedly installed on the four sides of the base, the other ends, away from the base, of the supporting columns are fixedly connected with a grinding box body internally provided with a grinding module, the grinding module and a mixing module are connected with each other, and the grinding module comprises grinding shafts symmetrically and rotationally arranged in the grinding box body; and conduction aluminum plates are symmetrically and fixedly installed on the two sides in the grinding box body, the sides, close to each other, of the two conduction aluminum plates are both in a semi-arc shape, and the two conduction aluminum plates form a semi-closed grinding area. The grinding rollers are driven by the grinding shaft to rotate, the grinding teeth of the adjacent grinding rollers are sequentially and alternately meshed, the grinding rollers are located in the semi-closed grinding area, feed poured from the discharging opening enters the semi-closed grinding area, a semi-closed grinding space is formed, and the feed grinding effect is improved.

The invention provides a 5052 aluminum alloy foil, a preparation method thereof and an air conditioner radiator fin, and the preparation method of the 5052 aluminum alloy foil comprises the following steps: smelting and casting an aluminum alloy raw material to obtain a 5052 aluminum alloy cast ingot; a 5052 aluminum alloy cast ingot is subjected to homogenizing heat treatment and then hot-rolled to the thickness of 4-5 mm, and a hot-rolled blank is obtained; and after the hot-rolled blank is subjected to cold rolling till the thickness ranges from 0.4 mm to 0.5 mm, the foil is rolled till the thickness ranges from 0.080 mm to 0.085 mm, and the 5052 aluminum alloy foil is obtained. According to the 5052 aluminum alloy foil, the preparation method of the 5052 aluminum alloy foil and the air conditioner radiator fin, a foil product with the thickness of 0.080-0.085 mm can be produced, and the tensile strength and the corrosion resistance are greatly improved on the premise that the high elongation of a finished product is kept.

The utility model relates to the technical field of skin -adhering fabric, and specifically discloses a skin -adhering lace structure comfortable to wear, which comprises a fabric main body, a skirt edge is arranged on the edge of the fabric main body, and the skirt edge is sewn with a lace main body along the length direction thereof; the fabric main body comprises a breathable outer layer and a skin -friendly inner layer, the skin -friendly inner layer is sewn on the lower end surface of the breathable outer layer, and a plurality of V-shaped openings are arranged on the side of the breathable outer layer close to the skirt edge; lace bands are arranged on the upper and lower ends of the V-shaped openings, the two ends of the lace bands are tied with a knot, and the knot is arranged on one side of the lace main body. The V-shaped opening designed on the outer side of the breathable outer layer is provided with the lace band, which can be matched with the lace main body on the skirt edge, thereby enhancing the visual effect; meanwhile, by adjusting the tightness of the knot of the lace band, the fabric around the V-shaped opening can be kept in moderate tension, which can not only avoid the decrease of the fit degree caused by the loose fabric, but also prevent the restraint feeling caused by the tightness, thereby further improving the extensibility and wearing comfort of the fabric.

The invention provides 301TK stainless steel and application thereof. The 301TK stainless steel comprises the following components in percentage by weight: 0.08%-0.11% of C; 0.5%-0.7% of Si; 1.7% to 1.9% of Mn; p is less than or equal to 0.035%; s < = 0.004%; cr: 17.2% to 17.8%; 6.5%-6.9% of Ni; 0.6% to 0.9% of Cu; 0.03%-0.06% of N, and the balance Fe and other inevitable impurity elements. MD30: 5 to 20 DEG C. The invention further provides a production method and application of the 301TK stainless steel. The 301TK stainless steel has high extensibility and high corrosion resistance, can generate high strength after stamping deformation, and meets the technical performance requirements of high-end water tanks.

The large-deformation composite inhaul cable comprises an inhaul cable body and an elastic body, and the inhaul cable body comprises a first connecting part, a second connecting part and a deformation part; the first connecting part and the second connecting part are suitable for being connected with an inhaul cable mounting anchorage device so as to bear and transmit tension; the deformation part is connected with the first connecting part and the second connecting part; a plurality of inhaul cable bodies are arranged, a stress shaft is formed when the large-deformation composite inhaul cable is pulled, and the inhaul cable bodies are arranged at intervals in the circumferential direction relative to the stress shaft; the deformation parts protrude in the plane perpendicular to the stress shaft, and the multiple deformation parts surround the stress shaft to form a deformation cavity. The elastic body is arranged in the deformation cavity, and the deformation part is suitable for deforming and extruding the elastic body when stressed. The large-deformation composite material inhaul cable has the good deformation capacity while the bearing capacity is kept, the extension performance and the tensile property of the inhaul cable can be improved, and the requirement for the deformation capacity of the inhaul cable in the specific application field is met.

The utility model relates to the field of protectors, in particular to an exoskeleton kneepad sleeve which comprises a kneepad sleeve body and an exoskeleton supporting layer, the kneepad sleeve body comprises an upper rib top, a kneepad sleeve middle part and a lower rib top which are connected in sequence, breathable woven patterns are arranged in the kneepad sleeve middle part, the exoskeleton supporting layer is a line pattern formed by a plurality of strip-shaped polyurethane, and the upper rib top and the lower rib top are connected in sequence. The exoskeleton supporting layer is bonded with the outer surface of the kneecap sleeve by adopting a hot pressing method; in the using process, along with force application of a user in the exercise process, the gap intervals in the breathable woven patterns are large, large breathable holes are formed due to the tension effect, and the elasticity and the breathable performance can be improved; the exoskeleton supporting layer slightly deforms, meanwhile, the exoskeleton supporting layer has a three-dimensional effect, a certain isolation effect can be generated between related parts such as knees or elbows of a user and force bearing points / surfaces of external force due to the high hardness, and the situation that the related parts such as the knees or elbows of the user are seriously damaged by strong external force is avoided.

Provided is a spun-bonded nonwoven fabric including fibers formed of a resin composition that contains: a propylene polymer (A); and a polymer (B) which is at least one selected from the group consisting of polyolefins, other than the propylene polymer (A), and polyesters. The fibers have a sea-island structure. The fibers include fibers in which a ratio of island phases having a diameter of less than 0.32 µm among those island phases at a cross-section perpendicular to the axial direction of the fibers is 60% or higher on a number basis. In the spun-bonded nonwoven fabric, a ratio (SMD / SCD) of the tensile strength (SMD) in a machine flow direction (MD) with respect to the tensile strength (SCD) in a direction (CD) perpendicular to the machine flow direction (MD) is from 2.0 to 5.1.

The invention discloses a base layer treating agent, a preparation method thereof and a composite waterproof system containing the base layer treating agent. The base layer treating agent comprises carboxyl graft modified epoxy resin, an amine curing agent, a reactive diluent and an accelerant; wherein the epoxy value of the carboxyl grafted and modified epoxy resin is 0.30-0.38 eq / 100g, and is measured by a hydrochloric acid-acetone method; the content of the amine curing agent is determined according to the epoxy value of the carboxyl grafted and modified epoxy resin, the number of active hydrogen atoms on amido in amine curing agent molecules and the molecular weight of the amine curing agent; the molar ratio of the amine curing agent to the reactive diluent to the accelerant is 1: (4-5): (0.2-0.4). The base layer treating agent disclosed by the invention can be used for increasing the sealing property of a base surface and enhancing the adhesive force between a waterproof coating and a waterproof roll and the base surface, so that the waterproof effect of a composite waterproof system is stronger.

The invention discloses a Ti-Zr-Mn-Fe-Bi hydrogen storage alloy and a preparation method thereof, and belongs to the technical field of hydrogen storage alloy materials. The general molecular formula of the Ti-Zr-Mn-Fe-Bi hydrogen storage alloy is Ti < 0.85 > Zr < 0.15 > Mn < 1.5-x-y > Fe < x > Bi < y >, x is more than 0 and less than or equal to 0.2, and y is more than 0 and less than or equal to 0.2; x and y respectively represent the atomic ratio of each element. According to the invention, the problem of large hysteresis caused by segregation of alloy elements is effectively reduced; the Bi element is large in atomic radius and high in ductility, the micro strain and plastic deformation in the hydrogen absorption / desorption process can be buffered by enlarging the size of a lattice gap, and therefore the crystal structure is stabilized, the cycle life of the alloy in the long-term hydrogen absorption / desorption process is prolonged, and the service life of the alloy in the long-term hydrogen absorption / desorption process is prolonged. The hydrogen storage capacity of the prepared hydrogen storage alloy can still be kept to be 99% of the initial capacity after 2000 cycles.

The utility model discloses a precise pesticide application manipulator based on machine vision, which comprises a rotating disc, a big arm and a small arm, a machine base is arranged on the rotating disc, the big arm is rotatably arranged by utilizing the machine base, a sliding block is rotatably arranged at the upper end of the big arm, the small arm is slidably arranged on the sliding block, and a screw rod is arranged in the small arm and is in threaded fit with the sliding block. The rotating plane of the large arm and the rotating plane of the small arm are located on the same plane, the visual module is installed in the middle of the small arm, the spray head is rotatably installed at one end of the small arm, the lead screw motor is installed at the other end of the small arm, and the lead screw motor is connected with the lead screw. The six-degree-of-freedom movement of the manipulator can be completed through the x-axis movement of the movable chassis, so that the degree-of-freedom waste is reduced, the size of the whole system is further reduced, the passing rate is improved, and meanwhile, the pesticide applying precision of the five-degree-of-freedom manipulator is higher than that of a common three-degree-of-freedom manipulator.

The invention discloses a high-performance single-component polyurethane waterproof coating and a preparation method thereof, and the high-performance single-component polyurethane waterproof coating comprises the following components in parts by weight: polyether A, polyether B, an adipic acid polyester plasticizer, a filler, powder, isocyanate, an auxiliary agent A, a catalyst, an auxiliary agent B and a solvent. The auxiliary agent A is 2, 3-dihydroxysuccinic acid or o-hydroxybenzoic acid. The filler is one or two of talcum powder or heavy calcium carbonate. The powder material is nano titanium dioxide. According to the single-component polyurethane waterproof coating adopting a moisture curing system, the coating film has high strength and extensibility, slight base displacement can be resisted, the single component is convenient to use, and working hours are saved; and the extensibility of the coating can be improved by selecting high-functionality and high-molecular-weight polyether. The polyurethane material is a waterproof material, is compact in film formation, and has excellent waterproof performance.