334results about How to "Increase resistance" patented technology

An aqueous ultraviolet-absorbing resin emulsion, and an aqueous resin emulsion composition containing the emulsion is provided, wherein the emulsion is excellent in compatibility with a synthetic resin and light resistance. Also, the emulsion improves stability in blending with an aqueous emulsion of the synthetic resin, and prevents bleed out of the ultraviolet-absorbing resin on the surface of a coating film. Further, the aqueous ultraviolet-absorbing resin emulsion imparts excellent alkali or solvent resistance to a synthetic resin poor in alkali or solvent resistance. More specifically, an aqueous resin emulsion composition comprising (I) an aqueous ultraviolet-absorbing resin emulsion and (II) an other aqueous resin emulsion is provided, wherein the emulsion (I) is obtained by urethanizing (A) a polyol component having an ultraviolet-absorbing group {e.g., 1,1-bis[3-(2H-benzotriazol-2-yl)-4-hydroxy-benzeneethanol]methane}, (B) a polyol if necessary, (C) an alkyl or aryl dialkanolamine compound, and (D) an organic polyisocyanate in (E) an organic solvent, diluting the reaction mixture with (F) an organic solvent having a boiling point lower than 100° C. to give a resin solution, neutralizing the resin solution with (G) a neutralizing agent, and dispersing the resultant in water.

The application discloses a vertical shaft rapid excavation equipment, which comprises a base body, a deep pit groove is formed in the top of the base body, a base and a second ring beam are arranged in the deep pit groove, a fixing assembly for positioning the second ring beam is arranged on the top of the base, a positioning frame is fixedly connected to the circumferential inner wall of the second ring beam, a moving groove is formed in one side of the positioning frame, a sliding column is fixedly connected to the bottom inner wall of the moving groove, and a moving block is sleeved with the circumferential outer wall of the sliding column. In the application, the drill bit can be driven to rotate together with the horizontal plate during the circumferential movement of the horizontal plate, the drilling depth and position of the drill bit can be adjusted by starting the hydraulic rod during the drilling of the drill bit, the drilling area of the drill bit is enlarged, the drilling demand of people on the vertical shaft is met, the whole drilling process does not need manual work to go deep into the bottom of the vertical shaft, the safety of the whole equipment is further improved, and the drilling efficiency on the vertical shaft is improved.

The utility model discloses a wireless charging equipment, including first casing, first wireless charging subassembly, torsional spring, first concave and convex wheel, second concave and convex wheel and elastic part, first casing is equipped with and places the groove, and first wireless charging subassembly includes shell and first coil, and the rotating end of shell is rotated and is connected with first casing through the pivot, and the pivot includes the first axle section and the second axle section who sets up along the pivot axle line direction, and first coil sets up in the inside of shell, and torsional spring is covered and is set in the first axle section, and first concave and convex wheel sliding cover is set in the second axle section, and second concave and convex wheel cover is set in the second axle section, and with second axle section fixed, and elastic part cover is set in the second axle section. Adopt the wireless charging equipment of utility model embodiment, and first wireless charging subassembly can provide enough support force to place electronic equipment after protruding in the recess, and wireless charging subassembly does not need to overcome the big torsion when accomodating, to solve the problem that the current wireless charging equipment uses the experience to be poor.

The invention discloses a method for cultivating a heat-resistant broad-spectrum durable rice blast-resistant rice breeding material based on polygene polymerization. According to the method, a high-heat-resistance and high-dominance indica-japonica hybrid indica rice restorer line is selected as a recurrent parent, a breeding intermediate material for polymerizing complementary broad-spectrum rice blast resistance genes Pigm and Pi-jx is used as a donor parent, and polymerization of the heat-resistance and broad-spectrum lasting rice blast resistance genes Pigm and Pi-jx is realized through a method of combining molecular breeding with conventional breeding. Meanwhile, by selecting representative strains to carry out artificial inoculation identification of seedling blast and panicle blast, natural induction identification of a rice blast retransmission area and heat resistance identification, and by combining main agronomic trait evaluation in the whole growth period, a heat-resistant broad-spectrum durable rice blast-resistant breeding material is obtained. The breeding material bred by using the method disclosed by the invention has relatively strong heat resistance and broad-spectrum and lasting rice blast resistance, and the breeding process of heat-resistant and rice blast-resistant rice varieties is accelerated.

This invention relates to the field of felt fabric technology, and more particularly to a felt fabric winding device with anti-static function. The felt fabric winding device includes a processing box. One side of the processing box is rotatably connected to two symmetrically distributed electrostatic rollers, which are used to eliminate static electricity carried by the felt fabric. The other side of the processing box is equipped with a winding device for winding the felt fabric. One end of each electrostatic roller is fixedly connected to a meshing first gear. A servo motor, fixed to one of the electrostatic rollers on one side via a coupling, is mounted on the side wall of the processing box via a bracket. This invention achieves rightward conveying of the felt fabric by having the upper and lower electrostatic rollers rotate in opposite directions. Simultaneously, the electrostatic rollers eliminate static electricity carried by the felt fabric, preventing the accumulation of dust due to static electricity, which can lead to a large amount of dust adhering to the felt fabric and being inhaled during subsequent use, thus harming health.

Provided is a rechargeable lithium battery including a positive electrode including a positive active material layer; a negative electrode including a negative active material layer; and an electrolyte solution including a nonaqueous organic solvent, a lithium salt, and an additive, wherein the positive active material layer includes a positive active material and carbon nanotube, the carbon nanotube is included in an amount of greater than 0.1 wt% and less than 3.0 wt% based on the total weight of the positive active material layer, and the additive includes a compound represented by Chemical Formula 1. Details of Chemical Formula 1 are as described in the specification.

The utility model relates to sheet metal processing technical field, concretely is a kind of portable sheet metal processing bending device, the utility model provides the following technical scheme: a kind of portable sheet metal processing bending device, including mounting plate, the top surface of mounting plate is fixedly connected with first side plate, the back of first side plate is equipped with first support roller;Telescopic stand, the telescopic stand is installed in the inside of telescopic groove, the front surface of telescopic stand is equipped with second hole, the front surface of first telescopic frame is equipped with first hole hole.The utility model is moved to proper position by telescopic stand, then when the position of first hole hole and second hole overlaps, locking column is installed to the inside of first hole hole and second hole, to lock the position of telescopic stand, so that the overall locking effect is better, so when the distance between mounting plate and stabilizer block is adjusted, overall operation is relatively convenient.

The utility model relates to the technical field of anti-falling lock catch devices, in particular to an anti-falling lock catch device for a battery of an electric sports car. The storage box has the advantages that when a battery is pushed in through the lead-in opening, the transmission shaft and the semicircular clamping block are pushed into the circular bayonet, and then the transmission shaft and the semicircular clamping block can be driven to rotate by rotating and retracting the pulling handle to the inner wall of the storage groove, so that the transmission shaft and the semicircular clamping block are transversely arranged at the top of the inner wall of the circular bayonet, and the upward degree of freedom is limited; the anti-disengaging lock catch structure is convenient to operate, locking and unlocking can be completed only by controlling the pulling handle to rotate with one hand, the unlocking action and the unlocking action are continuous, operation is smoother and more convenient, efficiency is improved, the winding force of the coil spring can automatically drive the transmission shaft to rotate through the winding force, the pulling handle can be automatically retracted, and the anti-disengaging lock catch structure is convenient to use. And meanwhile, by pulling the counterweight filler on the inner wall of the handle, the lifting resistance can be improved after locking, and the situation that the handle is bounced due to vibration is prevented.

The utility model relates to the technical field of ocean engineering, in particular to a double-layer perforated plate flow guide breakwater which comprises a connecting pile and a double-layer perforated flow guide plate. Each connecting pile comprises a pile cap, a pile body and a cattle foot; the two groups of double-layer perforated guide plates are arranged in parallel front and back, each group comprises a plurality of perforated guide plates, each perforated guide plate is provided with a plurality of holes, the perforated guide plates in each group are connected into a whole side by side through the connecting piles, and the connecting piles are positioned on two sides of the perforated guide plates. According to the structure, through the optimized design, the wave dissipation effect and the structural stability of the breakwater are improved, and meanwhile the construction difficulty and cost are reduced. The structure is particularly suitable for ports, wharfs and coastal protection in the marine environment.

The application discloses an antibacterial peptide for preventing and treating rice blast and application thereof, and relates to an antibacterial peptide SAFM160 for preventing and treating rice blast, which is used for improving the resistance of rice to rice blast fungus, and can be used for preparing a medicine for resisting rice blast fungus and application in preventing and treating rice blast fungus infection. The application finds that the polypeptide SAFM160 can be used as a medicine for preventing and treating rice blast. The antibacterial peptide SAFM160 has obvious inhibiting effect on appressorium of rice blast fungus, and when the concentration of the SAFM160 is 0.2 ug / ul, the appressorium formation rate of spores of the rice blast fungus is 0.57%. Therefore, the antibacterial peptide SAFM160 can be used for improving the resistance of rice to rice blast fungus.

The invention relates to a pneumatic vehicle tire having two sidewalls (5) terminating in a bead region (8), in which the bead region (8) is formed with a bead core (3), a carcass insert (4) extending around the bead core, and a rubber rim flap (7) forming the outer surface of the bead region (8), the rubber rim band (7) is arranged at least partially between the rim (1) and the bead core (3) in a position for using the vehicle pneumatic tire on the rim (1), the rubber rim band (7) being formed as a single piece from a rubber compound, and the rubber compound being arranged at least partially between the rim (1) and the bead core (3) in a position for using the vehicle pneumatic tire on the rim (1). The rubber compound has a loss factor (tan [delta]) of between 0.02 and 0.2 at 20 DEG C according to DIN 53512 and a Shore hardness in the range of 65 Sh-A to 80 Sh-A measured by means of a durometer at 20 DEG C according to DIN ISO 7619-1. The invention also relates to a wheel having such a pneumatic vehicle tire, and to the use of a rubber rim flap.

This invention provides a film stretching device, comprising: a base adapted to be fixedly connected to the equipment containing the film; and a clamping device disposed opposite to both sides of the film and fixedly connected to the base. The clamping device includes: a fixed base fixedly connected to the base; a first roller shaft connected to the fixed base; a first clamping roller rotatably connected to the first roller shaft; a second roller shaft oscillatingly connected to the fixed base; a second clamping roller rotatably connected to the second roller shaft; and a driving device for clamping the first and second clamping rollers. When the first and second clamping rollers are clamped, the rotation axes of the second and first clamping rollers are parallel, and the film passes between the second and first clamping rollers. This device overcomes the problem in the prior art where the film is not easily flattened, causing production quality defects. This invention also provides a winding device with this film stretching device.

The application relates to the technical field of powder production and processing equipment, in particular to a flow guide device for airflow mill pulverization and a pulverizer adopting the flow guide device, wherein the flow guide device for airflow mill pulverization comprises a device body, a flow guide area, a collection area and a drainage area are formed in the device body, and the collection area and the drainage area are distributed around the flow guide area; when the device body is matched with a pulverization cavity and the pulverization cavity is in a working state, airflow sprayed from a nozzle flows to the lower part of the collision area after collision in the middle of a pulverization area and then flows into the flow guide area and the drainage area in sequence; the collection area collects coarse particles sinking downwards, the collection area is formed with an opening, coarse particles in the collection area can flow out through the opening, the flowed-out coarse particles can flow into the drainage area together with airflow and flow out of the drainage area; the flowing direction of airflow flowing out of the drainage area is towards the top of the pulverization cavity. The flow guide device for airflow mill pulverization can improve powder preparation efficiency and improve the vortex state at the bottom of the pulverization cavity.

This utility model relates to the field of windproof isolation covers, specifically disclosing a windproof isolation cover for cruciferous hybrid breeding. It includes a first positioning rod, which is a round rod structure. Two symmetrically arranged first positioning rods constitute a first support unit. In this windproof isolation cover for cruciferous hybrid breeding, the device is supported by a first support unit and a second support unit. The two first positioning rods within the first support unit are connected by a first connecting rod. The second connecting rod is fixedly connected to the upper surface of the second positioning rod within the second support unit, further strengthening the support structure and enabling it to better resist wind. Simultaneously, fixing nails installed at the lower ends of each first and second positioning rod can be inserted into the ground for fixation. The equidistantly arranged fixing rods in a ring on the partition plate can rotate, further securing the device and preventing it from swaying or shifting in the wind, thus improving the device's wind resistance.

This utility model discloses a portable medicine box suitable for visually impaired users. The portable medicine box includes a sleeve and a body. The body includes an end, one side of which has a groove. When the groove is fully inserted into the sleeve, the end rests against the open end face of the sleeve. Multiple partitions are provided within the groove, dividing its interior into multiple medicine storage compartments. The bottom surface of the groove has positioning recesses, the same number as the partitions, arranged in a straight line. Each positioning recess corresponds to one partition. The open end of the sleeve has a pair of supporting protrusions. Between the two supporting protrusions is an elastic tongue that engages with the positioning recess. When the elastic tongue retracts into the positioning recess, the open end of the sleeve aligns perfectly with the corresponding partition. This utility model solves the problem of inconvenience in using existing technology.

The utility model belongs to ultrasonic water gauge technical field discloses a kind of circuit board module and ultrasonic water gauge.The circuit board module includes glue filling box, circuit board, liquid crystal screen and liquid crystal support. Among them, liquid crystal support sealing connection is at the bottom of glue filling box, and form airtight space between with the bottom of glue filling box, liquid crystal screen is set in airtight space, circuit board is set in glue filling box and located the side of liquid crystal support far from liquid crystal screen.Good at liquid crystal screen is equipped with connecting pin foot, and liquid crystal support is provided with connecting convex part towards circuit board, connecting pin foot is arranged in connecting convex part and is connected with circuit board, to realize the electric connection of liquid crystal screen and liquid crystal support, and connecting pin foot is connected with circuit board by connecting convex part, increase the arrangement path of connecting pin foot in liquid crystal support, so that even when filling, filling glue flows into airtight space by connecting pin foot, due to the additional connecting convex part, increase flow path, to effectively prevent filling glue from polluting liquid crystal screen.

The invention discloses a polyamine carbon dot as well as a preparation method and application thereof in improvement of corn resistance, and belongs to the technical field of nano agricultural regulation and control. The polyamine carbon dots are subjected to hydrothermal synthesis, the size of the PEICDs is 2.3 nm, the quantum yield of the carbon dots can be increased, carbon dioxide in the atmosphere can be captured and converted into bicarbonate radicals, and it is verified through in-vitro experiments that the PEICDs can improve the carbon dioxide conversion product 3-phosphoglycerate in vitro; under the stress of drought and salt, the polyethyleneimine functionalized carbon dot solution is applied to the leaf surfaces of the crops, so that the growth and development of the crops can be improved by remarkably improving the net photosynthetic rate and the intercellular carbon dioxide concentration, and the adaptability of the crops to the environment is further improved.

The application discloses a kind of mud-rock flow blocking dam composite shock-absorbing energy dissipation structures and design methods of preventing big stone block impact, the structure includes dam body, high damping rubber pad, composite shock absorber and impact-resistant steel plate, high damping rubber pad is fixed on dam body slope, its surface is provided with several composite shock absorbers, and impact-resistant steel plate is laid on the top of composite shock absorber;Composite shock absorber includes composite shock-absorbing unit, top plate and bottom plate, and top plate and bottom plate are fixedly connected with impact-resistant steel plate and high damping rubber pad respectively;Composite shock-absorbing unit includes composite material layer, disc spring layer, partition steel plate and compression spring, and the outside circumference of composite shock-absorbing unit is uniformly provided with several U-shaped dampers.The application cooperates high damping rubber pad, composite shock absorber and U-shaped damper to complete hierarchical energy dissipation and shock-absorbing, effectively absorbs and disperses the impact energy of big stone block in mud-rock flow, reduces dam stress concentration and damage risk, and can significantly improve the safety and service life of mud-rock flow defense system.

This application provides a semiconductor laser with a ridge-side integrated PN junction temperature control layer and its fabrication method, relating to the field of semiconductor laser technology. The semiconductor laser includes a substrate; an epitaxial structure formed on one side of the substrate along a first direction; the epitaxial structure having a first surface facing away from the substrate; a ridge waveguide layer formed on the first surface and extending along a second direction; a temperature control region formed on the first surface and located on one side of the ridge waveguide layer along a third direction; the temperature control region includes a P-type control layer and an N-type control layer, which form a PN junction. In this application embodiment, because the PN junction has high resistance and small footprint under static operation, it is possible to achieve efficient thermal tuning while reducing the process complexity of the thermal tuning scheme, improving structural reliability, and reducing the footprint, thereby meeting the industrial demands for high integration, low cost, and high reliability.

This application discloses a short peptide PRP1, its preparation method, and its application. It belongs to the field of genetic engineering technology. This application identifies a short peptide derived from an unknown protein that can regulate tobacco resistance to Potato Virus Y (PVY), named PVY resistance peptide (PRP1). Its amino acid sequence is ATKHIVGSIVAS. The short peptide PRP1 was prepared through chemical synthesis. Injecting this short peptide into tobacco seedlings can effectively reduce PVY virus levels and improve tobacco resistance to PVY.

The invention discloses a granular bio-fertilizer and a preparation method thereof, and the granular bio-fertilizer comprises the following components in percentage by weight: 94-97% of a base fertilizer, 2-5% of a synergist and 1-2% of an auxiliary agent. The granular bio-fertilizer is a fertilizer prepared by compatibility of one of an inorganic fertilizer, an organic fertilizer and an organic and inorganic fertilizer with a bio-fertilizer synergist. The granular bio-fertilizer disclosed by the invention can adopt an inorganic fertilizer, an organic fertilizer or an organic and inorganic fertilizer as a base fertilizer, can be suitable for almost all granular fertilizers (except for fertilizers with a killing function on microorganisms or an antagonistic effect on components in a bio-fertilizer synergist) in the current market, and is simple in production process, relatively low in cost and suitable for industrial production. Moreover, the added value of the product can be effectively improved, and the production process belongs to a novel fertilizer production process and has a huge market popularization value.

This invention discloses the application of the OsSMP3 gene in the control of rice brown planthopper, specifically disclosing that the OsSMP3 gene (LOC_Os11g05170) negatively regulates rice resistance to brown planthopper. By targeting this gene using CRISPR / Cas9 gene editing technology, a loss-of-function mutant was obtained. Compared to the wild type, the knockout mutant showed significantly enhanced resistance to brown planthopper, specifically manifested in increased rice plant survival rate. This invention provides new gene resources and targets for molecular breeding of rice resistant to brown planthopper.

The utility model discloses a kind of push card device of card box, apply to card storage box, including drive assembly, the buffer assembly connected in the drive assembly one side, the drive assembly is used to push card to stretch out, including base, connecting the push rod of base, the push rod is used to abut and push card, the buffer assembly is used to slow down the speed of card stretching out to prevent falling, including buffer block, the buffer block is silica gel product, uniformly provided with several friction convex strips, to contact card side portion to increase the resistance suffered when card stretches out. By applying the above push card device, the speed of card stretching out can be effectively slowed down, to prevent card from falling, while improving the stability and reliability of card pushing out.

The invention provides a CCRC-based health monitoring system and application, and the system comprises a pension service community, the pension service community comprises a smart community platform, a medical platform and a health management platform, and the smart community platform is used for providing community services for users; the medical platform is used for providing medical services for users; the health management platform is used for monitoring and managing the health of a user, the intelligent community platform comprises property management, emergency rescue and community communication, and the property management provides home-based care service. By arranging the seat assembly, a site for a user to sit can be provided for the user, the legs of the user can be exercised and have a rest while being matched with the pedal assembly for use, by arranging the connecting mechanism, the pedal assembly can be detached and matched with assembling of the connecting mechanism, the pedal assembly can be changed into a resistance assembly, and therefore the user can take a rest conveniently. Resistance is increased for the conveyor belt.

The present application relates to the technical field of biology, and particularly relates to a Vitis davidii VdbHLH51 gene, a coding protein and application thereof. The Vitis davidii VdbHLH51 gene is located on chromosome 13 of Vitis davidii, is distributed in the region of 772522-773497, and the nucleotide sequence is shown as SEQ ID No. 1. The protein coded by the gene has an amino acid sequence shown as SEQ ID No. 2. The application of the Vitis davidii VdbHLH51 gene in improving the resistance of grape to pathogenic bacteria after overexpression of grape callus is provided. The VdbHLH51 gene provided by the present application can improve the resistance of grape to grape anthracnose, and provides a theoretical basis for grape anthracnose resistance breeding.

The utility model relates to the technical field of personnel safety or protection measures in the building construction process, in particular to a safety anti-falling device for construction. The utility model provides a safety anti-falling device for construction, which comprises two rows of fixing components arranged in parallel, a first buffer mesh belt area is arranged between the two rows of fixing components, the first buffer mesh belt area comprises a plurality of first buffer mesh belts arranged in a staggered manner, a second buffer mesh is arranged below the first buffer mesh belts, and the second buffer mesh is arranged below the second buffer mesh. A third buffer air bag is arranged below the second buffer net; the fixing assembly comprises a plurality of stand columns arranged in parallel, and the end of the second buffering net is fixedly connected with the fixing assembly. An adjusting rod is fixedly connected to the end of the first buffering net belt, one end of the adjusting rod is hinged to the stand column, and a spring is further connected between a rod body of the adjusting rod and the stand column. The safety protection device can play a role in protection when a constructor accidentally falls down.

The embodiment of the utility model provides an epitaxial layer structure of a gallium nitride power device. The epitaxial layer structure comprises a substrate, a high-resistance structural layer, a high-resistance GaN layer, a channel layer and a barrier layer which are sequentially stacked from bottom to top, the high-resistance structural layer comprises a Si-containing material layer and an Al-containing material layer, and the Al-containing material layer is located between the high-resistance GaN and the Si-containing material layer; the constituent elements of the Al-containing material layer comprise Al and N; and the high-resistance GaN layer is a non-doped layer. According to the epitaxial layer structure of the gallium nitride power device, through matching of the Si-containing material layer and the Al-containing material layer, the resistance of the gallium nitride layer is improved, the voltage withstanding characteristic of the gallium nitride device is improved, and meanwhile side effects caused by additional doping are avoided.

This utility model discloses an environmentally friendly dust removal device for engineering, relating to the field of environmental engineering technology. The utility model includes a dust collection box, on which a dust removal mechanism and a spraying mechanism are installed. By incorporating the dust removal mechanism, when the drive motor rotates the shaft and impeller, the air inside the dust collection box is drawn to the outside in conjunction with the fan casing. When the dust suction hood end on the corrugated pipe is aligned with the area requiring dust removal, external air and dust are drawn into the dust suction hood. The air is then filtered by the filter blocks, removing dust. After prolonged use, pulling the two pads moves the sliding rod away from the slot on the dust suction hood, pulling the two springs and stretching them, allowing the filter blocks to be removed from the dust suction hood for replacement. This ensures long-term effective dust removal and filtration, significantly improving the overall lifespan of the device.

This electrical steel sheet includes a base steel sheet, a first insulation coating formed on a first surface of the base steel sheet and having adhesiveness, and a second insulation coating formed on a second surface of the base steel sheet which is a back surface to the first surface and having adhesiveness, in which an average pencil hardness of the first insulation coating is HB or higher and 3H or lower, and an average pencil hardness of the second insulation coating is higher than the average pencil hardness of the first insulation coating.