71results about How to "Long application life" patented technology

The invention discloses an efficient blue-light quantum dot light emitting diode and a preparation method therefor. The diode comprises a negative electrode, an electron transport layer, a surface modification layer, a quantum dot light emitting layer, a hole transport layer, a hole injection layer and a positive electrode formed on a substrate, wherein the negative electrode is placed at the bottom layer; the electron transport layer, the surface modification layer, the quantum dot light emitting layer, the hole transport layer, the hole injection layer and the positive electrode are arranged from the bottom up in sequence; and the surface modification layer can balance the electron and hole injection of the quantum dot light emitting diode by modification of the electron transport layer on the lower side, so as to improve the light emitting efficiency of a device. By adoption of the efficient blue-light quantum dot light emitting diode and the preparation method therefor, the light emitting efficiency of the device can be effectively improved, and the service life of the device is prolonged and other performance of the device is improved.

The invention relates to a rising and falling marine aquaculture net cage and belongs to the technical field of marine aquaculture equipment, and aims at solving the unreasonable structural design ofthe existing marine aquaculture net cage, and poor ability to resist strong winds, sea waves and typhoons. The rising and falling marine aquaculture net cage adopts an internal and external floating pipe connecting frame is one-piece internal and external floating pipe plastic cladding steel connecting frame, the transverse end of the one-piece internal and external floating pipe plastic claddingsteel connecting frame is connected with an inner floating tube, the other end of the one-piece internal and external floating pipe plastic cladding steel connecting frame is connected with the outerfloating tube, the upper part of the longitudinal end is connected with a mast, a floating device is connected to the rope of the anchor rope by a connecting rope attached thereto, a buffer is attached to the rope body in the middle of the anchor rope, and the connecting ropes of a cage counterweight are all connected to the bottom of the net cage, and the outer floating tube is provided with 2-12pipe joints, the pipe joint is connected with a transfer nozzle, a water pump and an electric control valve, the water pump and the electric control valve are connected to a remote control by electrical signal line, the remote control and water pump are installed on a control platform. The rising and falling marine aquaculture net cage has the advantages that the structure is new and practical, and the rising and falling marine aquaculture net cage is suitable for marine and aquaculture such as lakes and rivers.

The invention discloses a continuous carbon fiber sucker rod with a wear-resistant protective layer and a preparation method thereof. The continuous carbon fiber sucker rod comprises a sucker rod body, a glass fiber layer coated on the surface of the sucker rod body, and a wear-resistant layer coated at the outer side of the glass fiber layer, wherein the wear-resistant layer comprises a fiber-reinforced fabric and a thermoplastic resin layer coated on the surface of the fiber-reinforced fabric, and hard wear-resistant particles are uniformly mixed in the thermoplastic resin layer, so that the hard wear-resistant particles are uniformly distributed on the surface of the wear-resistant layer. The hard wear-resistant particles are uniformly distributed on the surface of the sucker rod, and by virtue of the high hardness and high wear resistance of inorganic hard particles and the ball form formed with the mesh fabric structure, the eccentric wear resistance of the wear-resistant layer on the surface of the composite sucker rod is strengthened. Meanwhile, the part where the hard wear-resistant particles are in contact with the interface of the sucker rod body plays a role of interface mechanical meshing, thereby preventing the wear-resistant protective layer from slipping and layering from the surface of the sucker rod.

The invention discloses a preparation method of nano photochemical catalytic oxidizer for removing arsenic (III) in drinking water, and relates to a preparation method of oxidizer. The method comprises the following steps: selecting activated carbon fiber material with the pore volume being 0.100 to 0.500cm3/g, preparing titanium dioxide sol, dissolving 20mL of titanium salt in 40ml of absolute alcohol solution, adding 8 to 12mL of acetylacetone and 12 to 20mL of glacial acetic acid and performing magnetic stirring, then adding 80 to 100mL of absolute alcohol solution and 15 to 20mL of water mixed liquor, preparing activated carbon fiber carrying titanium dioxide, weighing 10 to 20g of pretreated activated carbon fiber to be added into 100 to 200mL of titanium dioxide sol, after dipping the pretreated activated carbon fiber for 12 to 48h, evaporating solvent to be dry, and calcining for 1 to 2h to obtain the nano photochemical catalytic oxidizer for removing arsenic (III). The oxidizer has high oxidation capacity and a small volume, is safe and stable, and is easy to store and transport.

The invention discloses an automatic sorting platform used for weighing detection of materials. The automatic sorting platform comprises a frame, a storage groove, first springs, a supporting plate, asecond spring, a supporting block, a first travel switch, a third spring, a second supporting block, a second travel switch, an electric push rod, a timer, a motor, a rotary shaft and a rotary arm. The automatic sorting platform used for weighing detection of materials is ingenious in structure, powerful in function, easy to operate and capable of saving time and labor. First, materials with different weights are separated first through the design of a weight detection mechanism; second, the materials with different weights are transferred in a classified mode under the cooperative effect ofa rotating mechanism; and finally, by adoption of the automatic sorting platform, the problems of large time and labor consumption and low efficiency caused by manual sorting of the materials with different weights by workers are effectively solved, and the workload of the workers is reduced.

The invention relates to polymer electrolyte, in particular to a self-repairing polymer electrolyte based on dynamic chemical bonds and the application of the self-repairing polymer electrolyte in a secondary lithium battery. The electrolyte comprises a lithium salt, a polymer containing the dynamic chemical bonds and a catalyst. On one hand, the self-repairing polymer electrolyte has a rapid andefficient self-repairing function, can bear the volume deformation of the battery in a large-current charging and discharging process, repairs an interface between the electrolyte and an electrode, and prolongs the service life of the battery, and on the other hand, compared with a hydrogen bond-based self-repairing polymer electrolyte, the electrolyte has a higher electrochemical window, can be used in a high-voltage lithium battery, and effectively improves the energy density of the lithium battery.

The invention discloses a functional graphene lubricating grease material. The functional graphene lubricating grease material comprises 10-20 wt% of a thickener, 0-5 wt% of an additive, and the balance of graphene base oil. The functional graphene lubricating grease material has good lubricity and long application life, has good mechanical wearing preventing, friction head dispelling and mechanical life prolonging effects, also has fine metal damage filling and metal surface smoothing effects, has metal corrosion preventing and sealing dedusting effects, can be widely applied to devices, mechanical parts and vehicles, also can be applied to the contact point protection of industrial motors and electronic devices to effectively lubricate the electrically made contact points, reduce sparks and improve the safety of fire alarm, has a very good effect on electronic harmonic waves on the electronic contact points to well protect the working stability of a line. A preparation method of the functional graphene lubricating grease material has the advantages of simplicity, low preparation cost, wide application range, and worthiness promoting.

The invention discloses a pus drainage device with a sampling function for patients with burns, which comprises a drain tube, a housing, an upper cover, a support block, a guide tube, a filter net, aholding channel, a limiting channel, a slider, a spring, a flow hole, a receiving hole, and a floater. The pus drainage device is ingenious in structure, good in functionality, simple to operate and low in time and manpower consumption; a sampling mechanism enables medical personnel to conveniently carry out sampling detection on drained liquid during drainage therapy of a patient; the problem iseffectively avoided that a traditional sampling method is inconvenient to perform and high in time and manpower consumption; in addition, a drainage alarm mechanism helps effectively prevent untimelyemptying of the drained liquid in the housing from affecting the drainage therapy of the patient; operation is finally simplified for medical personnel, treatment and healing are benefited for the patient. The pus drainage device is suitable for clinical popularization and application.

A composition for forming an electroactive coating is provided, including an acid as a polymerization catalyst, at least one functional component, and at least one compound of formula (1) as a monomer: wherein X is selected from S, O, Se, Te, PR2 and NR2, Y is hydrogen (H) or a precursor of a good leaving group Y- whose conjugate acid (HY) has a pKa of less than 45, Z is hydrogen (H), silyl, or agood leaving group whose conjugate acid (HY) has a pKa of less than 45, b is 0, 1 or 2, each R1 is a substituent, and the at least one compound of formula (1) includes at least one compound of formula(1) with Z=H and Y<1>H.

The invention provides a method, a device and a system for triggering data processing. The method comprises the following steps that a first data processing device receives a radio frequency signal sent by a second data processing device; the first data processing device computes a distance parameter between the first data processing device and the second data processing device according to the radio frequency signal; and the first data processing device judges whether the first data processing device is triggered to carry out data processing according to the distance parameter. According to the technical scheme, the distance parameter between the first data processing device and the second data processing device is computed according to the received radio frequency signal, and the first data processing device judges whether the first data processing device is triggered to carry out data processing according to the distance parameter, so that the error-free triggering is avoided, the power consumption for false triggering is reduced, and the application service life is prolonged.

The present invention discloses a plastic plate or film having super steel wool resistance and weathering resistance. The plastic plate or film comprises a substrate, a first film layer positioned on the surface f the substrate and having weathering resistance, and a second layer film layer positioned on the surface of the first film layer and having super steel wool resistance and weathering resistance, wherein the second film layer has super steel wool resistance and weathering resistance, and a coating material with characteristics of super steel wool resistance and weathering resistance is coated on both surfaces of the first film layer having weathering resistance through leaching coating, spray coating, immersion coating or roller coating, and ultraviolet light irradiation and curing lamination are sequentially performed to obtain the second film layer. According to the present invention, the plastic plate or film with characteristics of super steel wool resistance and weathering resistance has performances of improved hardening, improved hydrophobicity, improved lipophobicity, improved scale resistance and improved weathering resistance, and can replace the traditional glass product so as to be used in different industries (the windows of vehicles, high-speed rail and subway in the transportation industry), such that the traditional glass products can be replaced, and the advantages of cost reducing, weight reducing, emission reducing and energy consumption reducing can be provided.

An electrically powered portable device, the device being other than a toothbrush, the device including means for providing a function to be performed by the device, an electrical power supply which incorporates at least one capacitor for storing electrical charge to power the device, electronic control circuitry to control electrical power drawn from the electrical power supply for driving the function providing means, and a recharge interface for recharging the electrical power supply, the recharge interface being arranged to be electrically connectable to a charging device.

The invention discloses a pesticide composition containing tolfenpyrad and fluopyram, and belongs to the technical field of pesticides. The active ingredients of the composition comprise the tolfenpyrad and the fluopyram, wherein the ratio of the tolfenpyrad to the fluopyram is 1:40-60:1. The pesticide composition has the advantages that by reasonably applying preparations on target crops, insectpests on the target crops can be effectively prevented and controlled, diseases are also treated, for example, the root-knot nematodes on carrots are prevented and controlled while phyllotreta striolata on the carrots are prevented and controlled, and the time and labor are saved.

The invention discloses a rolling method of a TB9 titanium alloy wire bar. The rolling method specifically comprises the steps that a TB9 titanium alloy forged blank is heated for 40-150 min above the phase transformation point, and a rolled bar blank is obtained; and then, the rolled bar blank is subjected to rolling of 6-14 passes through a rolling machine, and the wire bar with the target specification is obtained. The invention further discloses the TB9 titanium alloy wire bar prepared through the above method. The structure of the TB9 titanium alloy wire bar is controlled through the heating temperature and the rolling deformation, the TB9 titanium alloy wire bar prepared through the method is fine in structure, the grain size reaches the sixth level or above, and the rate difference of the structure edge part and the core grain size is lower than the first level. The material cross section performance is uniform and consistent after the TB9 wire bar fine and uniform in structure is subjected to heat treatment, the stress state is consistent during application, and the application life of the TB9 titanium alloy wire bar can be effectively prolonged.

The invention provides a metal surface easy-to-clean coating and an easy-to-clean processing method, and relates to the technical field of paints. The metal surface easy-to-clean coating is formed on the surface of a metal base material and comprises a silicon dioxide glassy coating and a perfluoropolyether coating; the silicon dioxide glassy coating is arranged on the surface of the metal base material; and the perfluoropolyether coating is grafted on the surface of the silicon dioxide glassy coating. By means of the metal surface easy-to-clean coating, the technical problems that in the prior art, the coating on a stainless steel surface is poor in easy-to-clean effect and short in service life are solved, and the use requirement of a user for kitchen appliances is met.

The invention relates to the technical field of component packaging, in particular to a chip package, which is a square flat leadless package. The chip package comprises: a bonding pad comprising a heat dissipation bonding pad and an electrode contact bonding pad arranged around the heat dissipation bonding pad; a chip which is attached to the upper surface of the heat dissipation bonding pad andis electrically connected with the electrode contact bonding pad; a packaging body which wraps the sealing bonding pad and the chip, wherein the lower surface of the bonding pad is exposed on the surface of the packaging body; and a thermal deformation component which can generate thermal deformation when being heated and is arranged on the packaging body, wherein the thermal deformation componentand the bonding pad are respectively arranged at two sides of the chip. The thermal deformation component has a stress correction effect on the thermal deformation of the device: when the thermal deformation component is heated, the thermal deformation component and the heat dissipation bonding pad are arranged up and down, so that the stress is offset or partially offset, and the deformation iseliminated or reduced. The device can avoid deformation caused by heating in the SMT assembly process or in long-term work, so that welding spots are protected, and the service life of the device is prolonged; and the layout area on the board is not occupied, the SMT process is not increased, and obvious advantages are achieved.

The invention belongs to the technical field of special glass, and provides anti-ultraviolet absorption space radiation-resistant glass which comprises the following raw materials in parts by mass: 1.2-5.9 parts of cerium dioxide, 0.5-4.6 parts of neodymium oxide, 0.8-3.2 parts of lanthanum oxide, 0.7-3.5 parts of ytterbium oxide, 3.4-12.3 parts of sodium carbonate, 0.4-4.7 parts of aluminum oxide, 72.2-78.3 parts of silica sand, 5.7-10.7 parts of strontium carbonate, 4.6-11.3 parts of BaCO3, 0.3-1.5 parts of SeO2, 0.9-2.5 parts of bismuth trioxide, 0.5-1.6 parts of tellurium dioxide, 4.8-10 parts of potassium nitrate, 1.2-2.5 parts of antimonous oxide and 0.7-1.6 parts of sodium pyroantimonate. According to the technical scheme, the problem that in the prior art, the anti-irradiation performance, transmittance and mechanical strength of common glass in space application cannot meet deep space exploration is solved.