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30results about How to "Improve split resistance" patented technology
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Enhancement method of porous coral aggregate
The invention discloses a porous coral aggregate enhancement method, and belongs to the technical field of applications of building materials. The method comprises following steps: grinding porous coral aggregate, soaking grinded porous coral aggregate in an enhancing agent (A), expelling gas in the pores by using ultrasonic vibration or a vacuum pump, taking out the coral aggregate, drying the coral aggregate in a baking oven, then soaking the coral aggregate in an enhancing agent (B), taking out the coral aggregate, drying, repeating the process for multiple times, then mixing an enhancing agent (C) with water, and then wrapping the coral aggregate by the solution to obtain enhanced coral aggregate. The processing cost is low. The method is nontoxic and harmless. Deep and long holes andbent holes of coral aggregate can be fulfilled and blocked. The water absorption is obviously reduced. The workability of coral aggregate is enhanced. The density and strength of coral aggregate are improved. The cylinder compressive strength is increased by 80%. The anti-cracking performance of coral aggregate is strong, and the acid-resistant and wet / dry resistant cycle performance is strong.
Owner:CHINA UNIV OF MINING & TECH +1
Cement-stabilizing layer material of regenerated fiber-reinforced building solid waste recycled fine aggregate and preparation method of cement-stabilizing layer material
InactiveCN106007558AHigh tensile strengthHigh compressive strengthSolid waste managementFiberRegenerating fibers
The invention discloses a cement-stabilizing layer material of regenerated fiber-reinforced building solid waste recycled fine aggregate and a preparation method of the cement-stabilizing layer material. Building solid waste recycled fine aggregate and Portland cement serve as main materials and are doped with regenerated fibers and water, stirring and blending are carried out, and the cement-stabilizing layer material is obtained. The added fiber material and the cement material act synergistically, and thus the building solid waste recycled fine aggregate can be stably aggregated to form an integral structure. The added fiber material has high tensile strength and forms a network skeleton structure in the mixture, the toughness and impact resistance of the cement-stabilizing layer material can be obviously improved, generation and development of cracks can be effectively prevented, and the anti-scouring property, the freezing resistance and other endurance properties of the cement-stabilizing layer can be improved.
Owner:HUNAN YUNZHONG REGENERATION TECH CO LTD
Stem-cut tree clipping method
The invention relates to a stem-cut tree clipping method. The method comprises the steps that after a new lateral branch grows from the position, close to the top end, of a stem-cut tree and it is determined that the lateral branch is reserved, a tree wooden stake at the top end of a tree trunk is removed, and the tree wooden stake removal position is aligned to the root of the lateral branch closest to the top end; after the tree naturally grows for a period of time by waiting and observing, if a part of the surface of the wound or the whole surface of the wound is not wrapped by newly-growing bark, the bark is peeled off on the main trunk or the main branch at the upper portion of the same tree by cutting away and cleaning away dead phloem on the periphery of the surface of the wound, the peeled bark immediately covers the exposed surface of the wound where dead bark is removed, and the surface of the wound is tightly sealed and bound. According to the stem-cut tree clipping method, the tree wooden stake at the top end of the tree trunk is removed in time after the new lateral branch grows from the position, close to the top end, of the stem-cut tree and it is determined that the lateral branch is reserved, so that a cutaneous ridge on the lateral branch can wrap the tree trunk to the maximum extent in the growth process, the contact area between the lateral branch and the tree trunk is increased, the lateral branch is firmer, the lateral branch is effectively prevented from being split off, and the survival rate is remarkably increased.
Owner:北京润丰园林绿化工程有限公司
Corrugated steel web plate and lining concrete connecting system, bridge and method
The invention discloses a corrugated steel web plate and lining concrete connecting system, a bridge and a method. The system comprises shear connecting pieces. The operation method sequentially comprises the steps that groove-shaped angle steel is prefabricated in a factory, the groove-shaped angle steel is vertically welded on the inner side of corrugated steel web plates, through-reinforcing steel bars are laid in grooves of angle steel, and lining concrete of the corrugated steel web plates is poured. According to the corrugated steel web plate and lining concrete connecting system, the bridge and the method, by replacing connecting pieces such as studs and perforated plates by vertically welding the shear connecting pieces on the inner side of the corrugated steel web plates, the contact area and anchoring length of the corrugated steel web plates and the lining concrete are enhanced, the adhesion stress between the two is enhanced, the anti-split ability of the steel web plates and the concrete is improved, the integrity of the structure is enhanced, and the cracking of the lining concrete is prevented; and the amount of welding work is reduced, the through-reinforcing steelbars are laid by using the grooves of the angle steel, and the grooves of the angle steel anchors longitudinal steel bars in the grooves to enhance the bolt pin action of bending steel bars and fullyexert the bonding performance between the steel bars and the concrete.
Owner:SHANDONG UNIV
Method for preparing mortar sealing bonding material
The invention discloses a method for preparing a mortar sealing bonding material, which solves the problem that the existing mortar sealing bonding material has high production cost and various performances need to be improved. The method comprises the following steps: firstly modifying carbon nanotubes to obtain methoxy-PEG-amino-modified chopped carbon nanotubes, and then taking steel slag, granulated slag, water, a water reducing agent and a retarder to be mixed for wet grinding until the median diameter is less than or equal to 6mu m to obtain slurry A; then adding quartz sand, fluorogypsum, ordinary Portland cement, water, an early strength agent and a thixotropic lubricant to the slurry A, and uniformly mixing to obtain slurry B; and finally, adding the chopped carbon nanotubes to the slurry B, and then adding a styrene-butadiene emulsion, an antifoaming agent and a coupling agent, mixing and stirring to obtain a modified mortar sealing bonding material. The method disclosed by the invention has a simple process and low production cost, and the prepared mortar sealing bonding material has high bonding strength, and has good bonding strength, anti-impact toughness, and good waterproof and anti-seepage performance and anti-cracking performance especially in a high temperature environment.
Owner:HUBEI UNIV OF TECH
Carbon fiber continuous sucker rod provided with continuous flocculent wear-resistant layer internally
InactiveCN106968609AImprove wear resistanceEliminate performance blind spotsDrilling rodsDrilling casingsEpoxyYarn
The invention belongs to the field of oil production equipment, and particularly relates to a carbon fiber continuous sucker rod provided with a continuous flocculent wear-resistant layer internally. The carbon fiber continuous sucker rod comprises a carbon fiber core body, the wear-resistant layer and an epoxy resin layer, a rough yarn layer is arranged at the outside of the carbon fiber core body, the wear-resistant layer is arranged at the outside of the rough yarn layer, a spun yarn layer is arranged at the outside of the wear-resistant layer, and the epoxy resin layer is arranged at the outside of the spun yarn layer; the rough yarn layer is made of aramid fibers with the fineness of 3000 D, the wear-resistant layer is made of flocculent polypropylene fiber strips in a coating mode, and the spun yarn layer is made of aramid fibers with the fineness of 1100 D; and the length directions of the carbon fibers, the aramid fibers and the polypropylene fiber strips are all consistent with the axis direction of the sucker rod. According to the carbon fiber continuous sucker rod provided with the continuous flocculent wear-resistant layer internally, polypropylene fiber adopted is of a flocculent structure, epoxy resin can be more fully immersed among all fiber filaments in the polypropylene fiber strips, so that the combination degree of wear-resistant materials and the epoxy resin and the immersing degree of the epoxy resin are enhanced greatly, and therefore the wear-resistant performance of the wear-resistant materials can be exerted fully.
Owner:DAQING CITY HUAYU PETROLEUM MASCH MFG CO LTD
An electric thermos cup
ActiveCN106361167BIngenious designEasy to carryTravelling sacksWarming devicesElectricityEngineering
The invention discloses an electric heating vacuum cup which comprises a cup body. The cup body comprises a cup cover, a cup main body and a cup base. The cup base comprises a first cup base and a second cup base. The two ends of the first cup base are detachably connected with the cup main body and the second cup base respectively. A heating assembly and a first conductive connecting port electrically connected with the heating assembly are arranged in the first cup base, the second cup base is a plug-in base disc, the plug-in base disc is connected with a power plug, a second conductive connecting port capable of being connected with the first conductive connecting port and starting the heating assembly to perform heating after power supply is arranged in the plug-in base disc, the cup main body is a cylinder with the upper end provided with an opening, the bottom of the cup main body is provided with a groove, a peripheral ring made of an insulating material is sleeved according to the diameter of the groove, and a heating disc can be connected to a heating layer through the groove. The cup cover is connected with the opening at the upper end of the cup main body through a thread. According to the electric heating vacuum cup, through ingenious design, outdoor exercise people's urgent requirements for a cup which is convenient to carry and can perform heating and heat insulation can be met.
Owner:启东市清源环境检测技术有限公司
Perspiration absorption and breathable textile fabric and production technology thereof
InactiveCN110344261ASweat-absorbing and breathableImprove breathabilityCurtain accessoriesWoven fabricsPerspirationPolyester
The invention discloses a perspiration absorption and breathable textile fabric which comprises a breathable layer. The breathable layer comprises warp yarns and weft yarns, the warp yarns and the weft yarns are woven by a plain weaving method to form the breathable layer, the warp yarns are made of pure cotton or polyester fibers, the weft yarns are made of animal hair fibers, an antibacterial layer, a tensile layer and an ultraviolet-proof layer are arranged on the breathable layer, the warp yarns and the weft yarns are woven by a loom, two adjacent weft yarns are connected in a fastened manner each other according to a U shape to form a button joint, the warp yarns penetrate spaces among the button joints, so that the density of the formed fabric is suitable, the weft yarns are made ofthe animal hair fibers, breathability of the fabric is improved, the warp yarns are made of the pure cotton or polyester fibers, water absorbability of the formed fabric is good, perspiration absorption and breathability are achieved, the arranged antibacterial layer is used for resisting bacteria breeding, the tensile layer is made of spandex or aramid materials, tearing-resistant and splitting-resistant ability of the perspiration absorption and breathable textile fabric is enhanced, and the quality of the fabric is improved.
Owner:福建辅布司纺织有限公司
A portable thermos cup
Owner:安徽明德孵化器股份有限公司
A portable usb electric heating insulation cup
InactiveCN106343892BIngenious designEasy to carryTravelling sacksWarming devicesElectricityEngineering
The invention discloses a portable USB electric heating vacuum cup which comprises a cup base, a cup body and a cup cap, wherein the cup cap is connected with the upper opening of the cup body through threads; the cup base comprises a first cup base body and a second cup base body; two ends of the first cup base body are respectively connected with the cup body and the second cup base body through threads; a heat component and a first conductive connector which is electrically connected with the heating component are arranged on the first cup base body; the port of the first conductive connector is positioned at the bottom end of the first cup base body; the heat component is in close contact with a heating layer and a liner; the second cup base body is a detachable plugging base plate, and a second conductive connector is formed in the detachable plugging base plate; the second conductive connector is electrically connected with a USB data wire; the port of the first conductive port can be in matched connection with the second conductive connector to supply power; and the heat component is started to heat the heating layer and the liner. The portable USB electric heating vacuum cup has a smart design, has a good insulation effect for outdoor exercising people, is convenient to carry, has a heating function, and has generalization performance.
Owner:永康市美斯特不锈钢制品股份有限公司
tree pruning method
The invention relates to a stem-cut tree clipping method. The method comprises the steps that after a new lateral branch grows from the position, close to the top end, of a stem-cut tree and it is determined that the lateral branch is reserved, a tree wooden stake at the top end of a tree trunk is removed, and the tree wooden stake removal position is aligned to the root of the lateral branch closest to the top end; after the tree naturally grows for a period of time by waiting and observing, if a part of the surface of the wound or the whole surface of the wound is not wrapped by newly-growing bark, the bark is peeled off on the main trunk or the main branch at the upper portion of the same tree by cutting away and cleaning away dead phloem on the periphery of the surface of the wound, the peeled bark immediately covers the exposed surface of the wound where dead bark is removed, and the surface of the wound is tightly sealed and bound. According to the stem-cut tree clipping method, the tree wooden stake at the top end of the tree trunk is removed in time after the new lateral branch grows from the position, close to the top end, of the stem-cut tree and it is determined that the lateral branch is reserved, so that a cutaneous ridge on the lateral branch can wrap the tree trunk to the maximum extent in the growth process, the contact area between the lateral branch and the tree trunk is increased, the lateral branch is firmer, the lateral branch is effectively prevented from being split off, and the survival rate is remarkably increased.
Owner:北京润丰园林绿化工程有限公司
Insulating plate with anti-corrosion and damp-proof functions and using method thereof
ActiveCN112038020AAnti-corrosion and moisture-proof functionImprove corrosion resistanceInsulating bodiesWater vaporStructural engineering
The invention provides an insulating plate with anti-corrosion and damp-proof functions and a using method of the insulating plate. The insulating plate with the anti-corrosion and damp-proof functions comprises an insulating core layer; a silencing bin which is arranged at the inner side of the insulating core layer; and a reinforcing layer which is arranged at the outer side of the insulating core layer, wherein connecting convex points are arranged on the outer surface of the insulating core layer, and a connecting groove is formed in the reinforcing layer. According to the insulating platewith the anti-corrosion and damp-proof functions and the using method thereof, the anti-corrosion layer is arranged at the inner side of the waterproof coating, on one hand, a good anti-corrosion effect is achieved on the insulating core layer at the inner side, and meanwhile, the direct contact between the anti-corrosion layer and the outside air is reduced through the waterproof coating, and oxidation of materials is relieved; the waterproof coating on the outer layer can effectively prevent the humid water vapor or water spots in the air from invading the interior of the insulating core layer in the insulating plate, and the insulating performance and the use stability of the insulating core layer are improved.
Owner:安徽唯宏新材料科技有限公司
Corrugated steel plate recycled concrete anti-seismic sound-insulation shear wall
InactiveCN111764537AReduce usageShorten the construction periodConstruction materialWallsClassical mechanicsSoundproofing
The invention discloses a corrugated steel plate recycled concrete anti-seismic sound-insulation shear wall. The shear wall comprises an anti-seismic energy consumption structure, a damping sound-insulation structure and a bearing structure, wherein the anti-seismic energy consumption structure comprises a plurality of strip-shaped steel plates, edge beams, edge columns and inclined supports; thedamping sound-insulation structure comprises steel plates, elastic cement gum, corrugated steel plates and steel partition plates; the bearing structure comprises recycled concrete, corrugated steel plates, studs and the like; and the bearing structure, the damping sound-insulation structure and the anti-seismic energy consumption structure are sequentially arranged from inside to outside to formthe shear wall. The shear wall can overcome the defects of an existing steel plate shear wall and has the advantages of being resistant to seismic, insulating sound, reducing construction waste and the like.
Owner:FUZHOU UNIV
Design and construction method of spiral stirrup ring connection node of longitudinal rib hollow wall panel
ActiveCN113502973BIncrease safety reserveQuick installationGeometric CADConstruction materialArchitectural engineeringRebar
The design and construction method of the spiral stirrup ring connection node of the longitudinal rib hollow wall panel of the present invention belongs to the field of building structures. The spiral hoop ring connection node can effectively improve the concrete anchorage and splitting resistance of the suspension point connection node, improve the safety reserve of the node, and improve the overall mechanical performance of the connection node between the prefabricated wall and the steel bar ring. The connecting node of the steel bar suspension ring has reasonable stress, convenient processing, fast installation and low cost. It is possible to set hanging points in the longitudinal rib hollow prefabricated wall panels with through cavities, reduce the self-weight of the longitudinal rib hollow prefabricated wall panels, reduce the size of the wall panels, and improve installation efficiency.
Owner:北京市住宅产业化集团股份有限公司 +1
A processing method for anisotropy of round bamboo modified by laser
ActiveCN109591139BImprove split resistanceReduce anisotropyRadiation/waves wood treatmentWood treatment detailsMaterial distributionHemicellulose
Owner:NANJING FORESTRY UNIV
A kind of grafting method of chestnut tree leaving groove
The invention provides a chestnut tree grafting method, which relates to the technical field of fruit tree grafting. The grafting method of the present invention increases the growth space of the callus by leaving grooves on the rootstock, increases the healing area between the scion and the rootstock, and enables the callus to occupy the entire rootstock groove, thereby naturally forming a joint with the scion. The "T-shaped connection" has a strong ability to resist wind or other external forces, and enhances the branch's ability to resist splitting; and the existence of the rootstock groove can hinder but not block the water and nutrient supply of the rootstock, so the humidity in the "rootstock groove" is relatively high. High is not affected by the external temperature, helps the formation and growth of callus, and greatly improves the survival rate of grafting, which can reach 100%.
Owner:秦皇岛百峰食品有限公司
Composite high-strength concrete
The invention relates to the field of building materials, and particularly discloses composite high-strength concrete and a preparation method thereof.The composite high-strength concrete is prepared from, by weight, 230-280 parts of cement, 200-300 parts of high-strength materials, 20-60 parts of plant ash, 10-15 parts of waste fibers, 10-20 parts of lignin, 5-15 parts of liquid paraffin, 8-30 parts of water glass, 5-12 parts of water reducing agents, 120-210 parts of water and 15-25 parts of molecular sieves; the high-strength material is a mixture of broken bricks, waste concrete blocks and industrial waste residues. The high-strength concrete prepared by the invention has relatively high anti-permeability performance and relatively high compressive strength, so that the high-strength concrete is not easy to crack when being stressed.
Owner:深圳市深建混凝土有限公司
A portable electric heating insulation cup
The invention discloses a portable electric heating thermos cup. The portable electric heating thermos cup comprises cup bases, a cup body and a cup cover, wherein the cup body is a cylinder provided with an open upper end and formed by a waterproof casing, a thermal insulating layer, a heating layer and a liner from outside to inside sequentially, and a cavity is formed between the thermal insulating layer and the heating layer; the cup cover is in threaded connection with the opening in the upper end of the cup body; the cup bases comprise a first cup base and a second cup base, two ends of the first cup base are in threaded connection with the cup body and the second cup base respectively, the first cup base is provided with a heating assembly and a first conductive connection port electrically connected with the heating assembly, and the port body of the first conductive connection port is formed in the bottom end of the first cup base; the second cup base is a detachable plug-in base plate, and a second conductive connection port is formed in the second cup base; the port body of the first conductive connection port can be in matched connection with the second conductive connection port, power supply is realized, and the heating assembly is started to heat the heating layer and the liner. By means of ingenious design, the urgent requirement of outdoor exercise crowds for a portable cup with heating and thermal insulation capabilities can be provided.
Owner:临漳县恒强碳素有限公司
A kind of solidification molding method of L-shaped plate composite material parts
ActiveCN108000896BLose weightImprove bending and torsional performanceContinuous designElement analysis
The invention discloses a solidification molding method of an L-shaped plate type composite material workpiece. The solidification molding method of the L-shaped plate type composite material workpiece includes the steps that firstly, a sensitivity analysis method is adopted to acquire the total sensitivity of a composite material in each layer; secondly, a finite element analysis program is adopted to acquire the initial layer laying angle of the composite material in each layer; thirdly, a multi-stage continuous design method is adopted to design the layer laying angle of the layer of composite material with the maximum total sensitivity value, and the layer laying angle of the layer of composite material is determined; fourthly, the layer laying angle obtained in the third step serves as a fixed value, and designing of layer laying angles of composite materials of the remaining layers continues to be performed; and fifthly, according to the obtained layer laying angles, layer layingof each layer of composite material is performed, then solidification molding is performed, and the L-shaped plate type composite material workpiece is obtained. The method is used for reducing rebounding deformation of the composite material workpiece in the solidification molding process, the size precision of the molded workpiece is improved, and congratulations are made in the aspects of improvement of structural performance and reduction of energy consumption.
Owner:HUNAN UNIV
A kind of ultra-high-strength concrete and thin-walled electric pole made of the ultra-high-strength concrete
The invention discloses an ultra-high-strength concrete and a thin-walled electric pole made of the ultra-high-strength concrete. The ultra-high-strength concrete is recorded in parts by mass. The raw materials include: 1000-1200 parts of cement, 180-250 parts of water, silicon 180-200 parts of ash, 1200-1700 parts of quartz sand, 15-20 parts of water reducing agent, 210-240 parts of reinforcing fiber, a thin-walled pole made of the above-mentioned ultra-high-strength concrete, and the thin-walled pole is a hollow structure , made by centrifugal molding process. In the present invention, silica fume, quartz sand, water reducer and reinforcing fiber are added to the cement, and an appropriate mix ratio is adopted to prepare ultra-high-strength concrete whose strength grade can reach C120-C150, and steel fiber and carbon fiber are used as reinforcing fibers, and Grafting polyacrylic acid on the surface of carbon fiber improves the dispersion of carbon fiber. The ultra-high-strength concrete has high compressive strength, strong deformation resistance, high density, and low porosity. The thin-walled pole made of this ultra-high-strength concrete is used in Under the condition of ensuring the forming quality and rigidity of the pole, the wall thickness can be greatly reduced, which is convenient for transportation.
Owner:丽水正阳电力建设有限公司 +3
Preparation method of mortar sealing adhesive material
Owner:HUBEI UNIV OF TECH
A kind of insulating board with anti-corrosion and moisture-proof function and using method thereof
The invention provides an insulating board with anti-corrosion and moisture-proof functions and a using method thereof. The insulating board with anti-corrosion and moisture-proof function includes: an insulating core layer; a sound-absorbing chamber, the sound-absorbing chamber is arranged on the inside of the insulating core layer; a reinforcement layer, the reinforcement layer is arranged on the outside of the insulating core layer, the The outer surface of the insulating core layer is provided with connection bumps, and the inside of the reinforcement layer is provided with connection grooves. The insulating board with anti-corrosion and moisture-proof function and its use method provided by the present invention have an anti-corrosion layer arranged on the inner side of the waterproof coating. In contact with the outside air, the oxidation of the material is slowed down, and the waterproof coating on the outer layer can effectively prevent the moisture vapor or water stains in the air from invading the interior of the insulating core layer inside the insulating board, improving the insulation performance and use of the insulating core layer stability.
Owner:安徽唯宏新材料科技有限公司
Aerogel building block and preparation method thereof
The invention provides an aerogel building block. The aerogel building block is prepared from the following raw materialsm by weight: 2-6 parts of aerogel powder, 10-20 parts of an organic binder, 40-60 parts of an inorganic binder, 0.5-5 part of a filler, 1-3 parts of a toughening agent, 1-2 parts of a dispersing agent and 9-15 parts of deionized water. The invention also discloses a preparationmethod of the aerogel building block. The aerogel building block provided by the invention is relatively low in heat conductivity coefficient and relatively low in density, and has the advantages of heat insulation and light weight.
Owner:GUOJIA NEW MATERIAL HUBEI ENVIRONMENTAL PROT GEL IND PARK CO LTD
A portable socket electric heating insulation cup
The invention discloses a portable electric heating thermos cup with a socket. The portable electric heating thermos cup with the socket comprises a cup body. The cup body comprises a cup lid, a cup main body and a cup bottom. The cup bottom comprises a first cup bottom body and a second cup bottom body. The two ends of the first cup bottom body are connected with the cup main body and the second cup bottom body separately. A heating assembly and a first conductive connector electrically connected with the heating assembly are arranged inside the first cup bottom body. A plug-in type base plate serves as the second cup bottom body and is connected with a power plug, and a second conductive connector which can be connected with the first conductive connector to start the heating assembly for heating after power is supplied is arranged inside the plug-in type base plate. A cylinder with an opening upper end serves as the cup main body, a groove is formed in the bottom of the cup main body, a peripheral ring made of insulating material is arranged in a sleeving mode according to the diameter of the groove, and the heating plate can be connected to the a heating layer through the groove. The cup lid is in threaded connection with the upper end opening of the cup main body, a cup handle is arranged on the outer side of the cup main body, and the cup handle makes a certain angle be formed between the cup main body and the horizontal plane after the cup main body is tipped over. The requirement that outdoor sport people are in urgent need of the cup convenient to carry and capable of achieving heating and heat preservation can be met through ingenious design.
Owner:淮安市鑫旺农业机械有限公司
Chestnut tree groove-reserving type grafting method
The invention provides a chestnut tree groove-reserving type grafting method, and relates to the technical field of fruit tree grafting. According to the grafting method disclosed by the invention, the growth space of the callus is increased by reserving the groove in the rootstock, the healing area of the scion and the rootstock is increased, and the callus can fully occupy the whole rootstock groove, so that a T-shaped connection is naturally formed between the callus and the scion, the wind resistance or other external force resistance is stronger, and the branch splitting resistance is enhanced; moreover, due to the existence of the rootstock groove, the water and nutrition supply of the rootstock can be hindered but not blocked, so that the humidity in the rootstock groove is relatively high and is not influenced by the external air temperature, the formation and growth of calluses are facilitated, and the grafting survival rate is greatly improved and can reach 100%.
Owner:秦皇岛百峰食品有限公司
A kind of strengthening method of porous coral aggregate
The invention discloses a method for strengthening porous coral aggregate, which belongs to the technical field of building material application. After the porous coral aggregate is broken, soak it in the enhancer A material, use ultrasonic vibration or vacuum pump to discharge the gas in the pores, take out the coral aggregate and dry it in the oven, then soak it in the enhancer B material, take it out and bake it. Dry, repeat this process many times, and then wrap the coral aggregate with enhancer C material mixed with water to obtain enhanced coral aggregate. The obtained coral aggregate has low processing cost, is non-toxic and harmless, and can fill and block the deep long holes and curved holes of the coral aggregate, significantly reduce the water absorption rate, increase the workability of coral concrete; increase the density and strength of the coral aggregate, The barrel pressure strength of the coral aggregate is increased by 80%; the coral aggregate has high resistance to splitting, strong acid resistance, and strong resistance to dry and wet cycles.
Owner:CHINA UNIV OF MINING & TECH +1
A fiber reinforced composite cable core
ActiveCN103903681BImprove wettabilityImprove lateral performanceNon-insulated conductorsGlass fiberCarbon fibers
The invention discloses a fiber-reinforced composite material cable core, which comprises an inner glass fiber layer, an intermediate carbon fiber layer and an outer glass fiber cloth, bonded together by cured high-temperature resistant epoxy resin, and the inner glass fiber layer The glass fiber volume content is 5% to 45% of the mandrel as a whole, the carbon fiber volume content of the middle carbon fiber layer is 20% to 60% of the mandrel as a whole, and the glass fiber cloth volume content of the outer glass fiber cloth layer is 20% to 60% of the mandrel as a whole. The volume content of high temperature resistant epoxy resin is 34%-40%. The epoxy resin includes multi-component epoxy resin, curing agent, accelerator, mold release agent and resin modifier. The invention mainly uses the glass fiber with good resin wettability, moderate elastic modulus and signal transmission function as the core layer structure to reduce the internal stress of the fiber reinforced composite material cable core. The invention has the advantages of good comprehensive mechanical properties, small internal stress, good toughness, friction resistance, good splitting resistance, signal transmission function and the like.
Owner:SHANDONG UNIV +1
Portable vacuum cup
ActiveCN106333584ARealize the heating functionReduced lifespanDrinking vesselsEngineeringElectrical and Electronics engineering
The invention discloses a portable vacuum cup, comprising a cup, wherein the cup comprises a cup lid, a cup body and a cup bottom, the cup bottom comprises cup bottoms I and II, two ends of the cup bottom I are respectively connected with the cup body and the cup bottom II, and the cup bottom I is internally provided with a heating component and a first electric conduction connector that is electrically connected with the heating component; the cup bottom II is a plug-in chassis, the plug-in chassis is connected with a power plug, and the plug-in chassis is internally provided with a second electric conduction connector that can be connected with the first electric conduction connector and realize the start of the heating component to heat after power supply; the cup body is a cylinder of which the upper end is provided with an opening, the bottom of the cup body is provided with a groove, a peripheral quoit made from an insulating material is set therein through the diameter of the groove, and a heating disc can be connected to a heating layer through the groove; the cup lid is connected with the opening at the upper end of the cup body through threads, a cup handle is arranged on the outer side of the cup lid, and the cup handle can lead the cup lid to form a 30-degree to 40-degree angle with the horizontal plane after the cup lid is turned over. By an ingenious design, the portable vacuum cup can meet the requirement that the people doing outdoor exercise are eager to have a cup which is convenient to carry and can heat the vacuum cup.
Owner:安徽明德孵化器股份有限公司
Portable USB electric heating vacuum cup
InactiveCN106343892AIngenious designEasy to carryTravelling sacksWarming devicesElectricityEngineering
The invention discloses a portable USB electric heating vacuum cup which comprises a cup base, a cup body and a cup cap, wherein the cup cap is connected with the upper opening of the cup body through threads; the cup base comprises a first cup base body and a second cup base body; two ends of the first cup base body are respectively connected with the cup body and the second cup base body through threads; a heat component and a first conductive connector which is electrically connected with the heating component are arranged on the first cup base body; the port of the first conductive connector is positioned at the bottom end of the first cup base body; the heat component is in close contact with a heating layer and a liner; the second cup base body is a detachable plugging base plate, and a second conductive connector is formed in the detachable plugging base plate; the second conductive connector is electrically connected with a USB data wire; the port of the first conductive port can be in matched connection with the second conductive connector to supply power; and the heat component is started to heat the heating layer and the liner. The portable USB electric heating vacuum cup has a smart design, has a good insulation effect for outdoor exercising people, is convenient to carry, has a heating function, and has generalization performance.
Owner:永康市美斯特不锈钢制品股份有限公司
Processing method of modifying anisotropism of round bamboo by laser
ActiveCN109591139AImprove split resistanceReduce anisotropyRadiation/waves wood treatmentWood treatment detailsCelluloseThree-dimensional space
The invention discloses a processing method of modifying anisotropism of a round bamboo by laser and belongs to the field of round bamboo modification. The processing method of modifying anisotropismof the round bamboo by laser comprises the following step: irradiating the round bamboo by laser, wherein the round bamboo absorbs laser energy and converts the laser energy into heat energy, lignin in the round bamboo is crosslinked with cellulose and semicellulose under the action of heat in a three-dimensional space, and substance distribution in the round bamboo changes and the anisotropism isreduced. The processing method of modifying anisotropism of the round bamboo by laser can improve the anisotropism of the round bamboo effectively, so that the anti-split performance of the round bamboo is improved. Meanwhile, when the round bamboo is modeled, the bended stress part of the modeled round bamboo is treated by laser, so that the inner stress of the round bamboo which is modeled canbe reduced, and the round bamboo modeling stability is improved. By thermally modifying the round bamboo, the application field of the round bamboo can be expanded greatly.
Owner:NANJING FORESTRY UNIV
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