463results 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 application provides a combined guide vane and a ship, which achieves the basic requirement of improving the flow field around the stern and propeller and improving the propeller efficiency, reduces the stress on the structure by arranging the guide vanes in the axial direction, increases the energy saving effect, and avoids the negative influence of the axial misalignment arrangement on the propeller pulsating pressure by aligning the end. In addition, by limiting the circumferential length of the guide vane, the resistance generated by the device is small, that is, the resistance and structural performance of the energy saving device are improved; through the combination of various schemes of the guide vane, the guide vane, the connecting piece and the flow guide fin, and the establishment of the design method matched with each combination of the application, the optimal energy saving effect can be achieved for different ship types and navigation conditions, the effective complementation among multiple structures is realized, and the universality is strong.

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.

A coating material for a calender roll comprises a cured product of a resin composition that comprises a urethane prepolymer component that is a reaction product of a diisocyanate and a polyol, and a curing agent component that comprises at least one of a diamine and a diol, and the diisocyanate comprises isophorone diisocyanate. A calender roll comprises a roll core material and the coating material for a calender roll that coats an outer periphery of the roll core material.

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 relates to the technical field of ship fuel delivery, in particular to a cutting fluid delivery screw pump, which comprises a pump body structure, the pump body structure comprises a front flange, a liquid outlet cover, a shell and a liquid suction cover arranged in sequence along a first direction, an axle hole is arranged at the front flange, a liquid outlet cavity and a liquid outlet port in communication with the liquid outlet cavity are arranged at the liquid outlet cover, a liquid suction cavity and a liquid suction port in communication with the liquid suction cavity are arranged at the liquid suction cover, one end of the liquid suction cavity far from the shell is sealed, a screw cavity is arranged at the shell, the liquid suction cavity is in communication with the liquid outlet cavity through the screw cavity; a screw part comprises a driving screw and two driven screws, the driving screw has a driving helical section, an axle connecting section, a sealing section and a power section, and the two ends of the axle connecting section are connected with the driving helical section and the sealing section respectively.

The present invention provides a glass composition, wherein components thereof are represented by weight percentage, comprising: 52-72% of SiO2; 3-17% of B2O3; 0.5-8% of Al2O3; 2-10% of ZnO; 6-25% of Rn2O, Al2O3 / B2O3 is 0.1-1.0, the Rn2O is a total content of Li2O, Na2O, and K2O. Through rational component design, the glass composition of the present invention features excellent chemical stability and weather resistance, and can be used for manufacturing lamp lens.

Disclosed in the present specification is a ferritic stainless steel having improved corrosion resistance and magnetic properties improved by having an optimized manufacturing process and alloy components; and a manufacturing method therefor. The ferritic stainless steel having improved corrosion resistance and magnetic properties, according to one embodiment of the present invention, may comprise, by wt%, 0.0005-0.035% of C, 0.005-0.05% of N, 0.1-2.0% of Si, 0.1- 0.5% of Mn, 16.0-20.0% of Cr, Mo in an amount of more than 0% and less than or equal to 0.5%, Nb in an amount of more than 0% and less than or equal to 0.5%, 0.005-0.30% of Ti, and the balance of Fe and impurities.

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.

A positive electrode for a secondary battery including a positive electrode current collector, and a positive electrode active material layer supported on the positive electrode current collector. The positive electrode active material layer includes active material particles and an oxide film covering at least part of surfaces of the active material particles. The active material particles include a lithium-containing transition metal oxide, and the oxide film contains an oxide of a first element other than nonmetal elements. When a thickness of the positive electrode active material layer is denoted by TA, Tb > Tt is satisfied, where the Tb and the Tt are thicknesses of the oxide film at a position of 0.25TA and at a position of 0.75TA, respectively, from a surface of the positive electrode current collector in the positive electrode active material layer.

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 present disclosure provides a foamed body or the like, the foamed body containing polyether ether ketone and polyetherimide, in which a ratio of the mass of the polyether ether ketone to the mass of the polyetherimide is from 50 / 50 to 87 / 13.

The present invention provides an epoxy resin that has excellent curability, when a lowactivity catalyst is used or when used at low temperatures, that has excellent storage stability, and that yields a coating material having excellent coating film finish properties and corrosion resistance. The present invention further addresses an object of providing an amine-modified epoxy resin produced by reacting the epoxy resin with an amine compound, as well as providing a cationic electrodeposition coating material containing the amine-modified epoxy resin. The solution provided is a modified epoxy resin produced by reaction of at least the following (i) and (ii) and having an average polyfunctionalization degree (X1) per molecule of the modified epoxy resin of 0.10 or greater: (i) a compound (α) having one or more epoxy groups, (ii) a compound (β) having a functional group that is reactive with an epoxy group and that has a total functionality of the functional group of 3 or greater, and / or a compound (γ)having a functional group that is reactive with an epoxy group and that has a total functionality of the functional group of 1 or 2, and the average polyfunctionalization degree (X1) per molecule of the modified epoxy resin being represented by Equation (1) below: Equation (1): Average Polyfunctionalization Degree (X1) = Number of Terminals Per Molecule of Modified Epoxy Resin - 2

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 present invention relates to: [1] a nonaqueous electrolytic solution comprising a compound (A) represented by formula (I); and [2] a nonaqueous electrolytic solution battery comprising a positive electrode, a negative electrode, and the nonaqueous electrolytic solution.

The present application relates to an electrolyte and an electrochemical device comprising the electrolyte. The electrolyte comprises a dinitrile compound, a trinitrile compound, and propyl propionate, wherein, based on the total weight of the electrolyte, X is a weight percentage of the dinitrile compound and Y is a weight percentage of the trinitrile compound, and Z is a weight percentage of the propyl propionate; 2 wt% < (X+Y) ≤ 8 wt%, 0.1 ≤ (X / Y) ≤ 6, 2 wt% < X ≤ 6 wt%, 30 wt% ≤ Z ≤ 50 wt%, and 0.01 ≤ (Y / Z) ≤ 0.3.

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.

The application relates to the technical field of air conditioners, and discloses a heat exchanger which comprises a first main pipe body provided with a first inlet and outlet at a first end, a first shunt pipe body connected to the first main pipe body at a first end and close to the first inlet and outlet, a second shunt pipe body located on a side of the first shunt pipe body away from the first inlet and outlet and comprising a first pipe section, a second pipe section and a third pipe section, wherein the first end of the first pipe section is connected to the first main pipe body and has a spacing between the first end and the second end of the first pipe body, the first end of the second pipe section and the first end of the third pipe section are both connected to the second end of the first pipe section, and a top anti-collision part is used for plugging the second end of the first main pipe body. The application further discloses an air conditioner.

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.