36results about How to "Play a destructive role" patented technology

The invention discloses a preparation method of a nanocellulose film precipitated by applying a water solution. The preparation method comprises the following steps: dissolving cellulose with concentration of 10-40g/L into a mixed solution of sodium hydroxide, urea and water at minus 15-minus 8 DEG C; after heating the cellulose solution to the room temperature, dropwise adding water to the cellulose solution to precipitate cellulose to obtain nanocellulose colloid dispersion liquid; filter-pressing the nanocellulose colloid dispersion liquid to obtain the nanocellulose film, wherein the mixed solution contains 5-10% of sodium hydroxide, 10-15% of urea and the balance of water by mass percent, and the volume ratio of water to the cellulose solution is (1-3):1. The method overcomes the defects of difficulty in acid waste liquor recovery, high preparation cost, high preparation energy consumption, heavy environmental pollution and the like in the existing preparation method of nanocellulose and the film thereof, and has the advantages of simplicity and high efficiency in operation, solvent reusability, environment friendliness and low energy consumption.

The invention relates to tin-zinc lead-free solder, which comprises the following components in percentage by weight: 7 to 9 percent of Zn, 0.1 to 2 percent of Ga and the balance of Sn. The tin-zinc lead-free solder is prepared by a two-step smelting method. The preparation method comprises the following steps of: (1) preparing tin and zinc into a Sn-Zn intermediate alloy in proportion at a smelting temperature of between 380 and 420 DEG C; (2) melting the Sn-Zn intermediate alloy, and after melting, adding the metal Ga when the temperature is reduced to between 180 and 220 DEG C; and (3) after the alloy is melted, continuously stirring the mixture to make the components uniform, and performing heat preservation, cooling and casting to form the alloy. The Sn-Zn-Ga lead-free solder alloy has low melting point and excellent combination property.

The invention is concerned with the photolysis oxidation purifying light tube, belongs to the environment managing product, it is: firstly, manufactures the quartz glass tube follows the fluorescent lamp manufacture method with the silica as the raw material; secondly, takes out the air of the quartz glass tube and injects with the high purity mercury; thirdly, seals the quartz glass tube and connects the electric; finally, controls the startup voltage remains 100 to 230 volt, the input power remains 70 to 90 watt, and the power factor is not lower than 0.98 after connects the electric with the quartz glass tube, which generates photolysis oxidation purifying light tube with the ultraviolet ray wave band 158 to 280 Nano-meter, the average permeance rate no lower than 87 percent, the irradiation strength 150 to 200 mu watt per sq cm, and the ozone thickness 40 to 60 part per million. It is with simple design, low production cost, high efficiency and operating speedily.

The invention discloses a laser speckle eliminating device with the dodging function. The device comprises a laser light source, a transmission medium and a vibration module, wherein the vibration module is fixedly connected with the transmission medium; a scattering body is arranged in the transmission medium; the scattering body is formed by distributing the material which is different from thetransmission medium with uniform density in the transmission medium; the vibration module is vibrated under the action of a power supply, thereby driving the transmission medium and the scattering body to vibrate together; and the input power of the vibration module is adjusted to adjust the vibration amplitude of the transmission medium and the scattering body until the optimal speckle eliminating effect is obtained.

The invention discloses a grenade/hand grenade product which has the function of shot firing by wireless remote control and the usage of the product. The product comprises a grenade/hand grenade and a shot firing part by remote control which is composed of a wireless receiver and a wireless launcher; the wireless receiver comprises a power switch on the bomb shell, an upper cover and receiving antenna on the upper cover and a radio circuit board in the bomb, a battery and an electronic fuse are arranged on the radio circuit board; the wireless launcher comprises a shell and a launching circuit board and a battery in the shell, launching antenna and a remote control firing press button are also arranged on the shell. The invention can lose no opportunity in firing the grenade/hand grenade has the function of shot firing by wireless remote control after thrown, which has a certain effect to destroy things and also avoids hurt one's own, thus can well complete the work task which has been hard to complete due to the delay blasting of grenade/hand grenade quickly.

The invention mainly provides an electric car which could generate, store and provide power from driving automobiles by gravidities of automobiles and running of wheels. The electric car include a gearing system, a driving system, a running system and a brake system fixed the chassis of the car, the car body, electric equipment, two symmetrical groove for fixing two independent wheels in the wheel hub. An active mandril and its sheath are in the wheel hub between two wheels. The inner end of the active mandril has a bar inclined plane, the outside end has an arch fixing plate. A cushion band is beside the fixing plate. A generator is in the wheel hub. The rotor axle is fixed in the half axle by the positioning axle, stators are fixed in the wheel hub. An active pendulum is in the rotor axle and is cooperated with the bar inclined plane of the active mandril, the top thereof has rolling wheels.

The invention relates to a preparation method of nanometer hydrophobic calcium oxalate powder for a protection coating of stone cultural relics. The preparation method comprises preparing calcium oxalate and modifying the prepared calcium oxalate. The nanometer hydrophobic calcium oxalate powder has bionic performances, good hydrophobicity, good weatherability, good abrasion resistance and a long service life and does not damage stone cultural relics after losing effect. The preparation method has the advantages of simple processes, good production conditions, low processing cost and effective prevention of erosion of stone cultural relics.

The invention belongs to the technical field of walnut processing, and particularly relates to a processing method of walnut kernel beverage which comprises the steps of peeling, pulping and blending,homogenizing and sterilizing; the step of peeling is that, freezing walnut kernels at 10-20 DEG C for 30-40 minutes, then putting the walnut kernels into a plasma activating machine, treating the walnut kernels with plasma gas for 4-6 minutes under the conditions of 50-60 Pa pressure and 110-140 W activation power, and then washing the walnut kernels with deionized water at 10-30 DEG C under highpressure to obtain peeled walnut kernels. The walnut kernel beverage prepared by the method disclosed by the invention has high nutritional value, rich nutritional ingredients, uniform texture, fineand smooth taste, and long shelf life. The peeling method is simple and feasible, which has high controllability, high safety, high peeling effect and less nutrition loss. The pulping and blending method is simple and feasible, which has low cost and low control requirement, and can enrich nutrient composition of the walnut kernel beverage, and waste of walnut protein is avoided.

The invention relates to a high-efficiency integral PCD milling cutter, comprising a cutter head and a handle which are of an integrated structure, wherein the top of the cutter head is provided with a plurality of blades, the number of the blades is 10, the blades are circumferentially and uniformly distributed at the periphery of the top of the cutter head and comprise blades A and blades B, the number of the blades A is three, the number of the blades B is seven, the blades A comprise a first blade A1, a second blade A2 and a third blade A3, two blades B are located between the first blade A1 and the second blade A2, another two blades B are located between the second blade A2 and the third blade A3, and the rest three blades B are located between the third blade A3 and the first blade A1. The high-efficiency integral PCD milling cutter realizes effective control of the roughness of a cylinder wall and improves cutting quality.

The invention relates to a silicon controlled rectifier module. The silicon controlled rectifier module comprises a red copper bottom plate and a shell which is arranged on the red copper bottom plate; the left end and the right end of the red copper bottom plate are each provided with an external hole; the red copper bottom plate is provided with two ceramic chips between the two external holes;the two ceramic chips are respectively provided with a group of copper-clad areas; each copper-clad area is provided with a group of extraction electrode plates and two chips according to a controllable rectification circuit, and gate poles are arranged in the middle of the chips; and aluminum wires are bonded between the chips and the copper-clad areas and between the gate poles and the copper-clad areas. The silicon controlled rectifier module can effectively solve the problems that an existing silicon controlled rectifier module is connected through a connecting bridge, stress is high, a chip is prone to damage, and the service life is shortened.

The invention relates to a heating pipe support of a roller washing machine, and the roller washing machine. The heating pipe support is formed through bending of metal wires and comprises an installation part connected to an outer cylinder of the washing machine, a clamping part connected to a heating pipe and a connecting part used to connect the installation part and the clamping part, wherein the clamping part, the connecting part and the installation part are disposed from top to bottom; the lateral face is Z-shaped; the installation part is a first frame body equipped with an opening on one side and comprises a first frame and a second frame which face each other as well as third frame which connects the first frame and the second frame, and the third frame is opposite to the opening of the first frame body; the clamping part comprises at least two U-shaped clamping frames which are almost disposed in parallel, planes of the clamping frames are almost perpendicular to the plane of the frame bodies of the installation part, and the opening of the clamping frame faces the third frame side; and the connecting part at least comprises a first rod and a second rod which are disposed in an inclined manner, the first rod is connected to the first frame and a first clamping frame, and the second rod is connected to the second frame and the second clamping frame.

The invention relates to an extraction method of shark cartilage for eyedrops. The extraction method comprises the following steps: taking shark suft bones, grinding into fine powder, adding into water, evenly stirring, placing in a distillation still for distillation, removing evaporative steam, then cooling to obtain extract liquid; adjusting the pH value of the extract liquid to be below 4.0 below, filtering through an ultrafiltration membrane, then conveying the ultrafiltrate into a bed layer filled with alumina grains for adsorption to obtain a permeate solution; regulating the pH of the permeate solution to be higher than10.0, adsorbing by macroporous adsorption resin to remove impurities, thus obtaining a solution with impurities removed; regulating the pH of the solution with impurities removed to 6.0-7.0, performing pressure-reduced concentration, crystallizing, centrifuging and drying to obtain shark cartilage. According to the extraction method, small-molecular impurities in suft bones can be removed in a distillation manner and the fiber structure of the suft bones can be damaged to certain extent, so that the shark cartilage can be separated out as much as possible, and finally high-yield and high-purity shark cartilage can be obtained.

The invention relates to the technical field of cell panel water-free sweeping, in particular to a combination brush type photovoltaic cell panel array cleaning robot. The combination brush type photovoltaic cell panel array cleaning robot can conveniently carry out cleaning on the photovoltaic cell panel at any time, the damage of the photovoltaic cell panel can be relieved, the service life is prolonged, the robot comprises a machine body, a disc brush mechanism, a rolling brush mechanism, a strip brush mechanism, an advancing mechanism and a control cabinet, the disc brush mechanism comprises a first motor, a belt wheel, a belt, six sets of connecting shafts, six sets of discs and six sets of round bristles, the rolling brush mechanism comprises two sets of second motors, two sets of rolling shafts and two sets of rolling brush bristles, the outer sides of the two sets of rolling shafts are fixedly sleeved with shaft sleeves, the strip brush mechanism comprises three sets of PVC square blocks, the bottom ends of the three sets of PVC square blocks are connected with strip bristles, the advancing mechanism comprises four sets of third motors, four sets of hanging wheels, and fivesets of advancing shafts, and advancing wheels are connected to two ends of the five sets of advancing shafts.

The invention discloses a freezer provided with plasma purifiers. The freezer provided with the plasma purifiers comprises a freezer body. Fans are arranged on a left side wall and a right side wall which are opposite inside the freezer body respectively, one plasma purifier and a filtering net are arranged in front of an air outlet of each fan in sequence, the outlet of each plasma purifier faces towards the inside of an indoor cabinet body of the freezer body, each plasma purifier and the corresponding filtering net are fixedly installed on the corresponding side wall inside the freezer body through a shell, each filtering net is installed at the outlet of the corresponding plasma purifier, and a series of horizontally arranged strip-shaped holes are formed in the face, right facing the corresponding filtering net, of each shell. The freezer provided with the plasma purifiers is simple in structure, is convenient to install and use, can effectively kill bacteria, germs, mould, microorganisms and the like in air, further isolates bacteria, microorganisms and the like from breeding on food, protects food from mould and spoilage, eradicates odor, plays a role in retaining freshness and guaranteeing quality, and is economical and practical.

The invention discloses a lycium ruthenicum stock solution and a preparation method thereof. The preparation method comprises the following steps: placing dried lycium ruthenicum in a jet mill to perform ultrafine pulverization, and grinding the lycium ruthenicum through liquid nitrogen to obtain ultrafine powder; adding a cellulase solution into the ultrafine powder for ultrasonic assisted extraction to obtain a first extracting solution; filtering the first extracting solution to obtain first filtrate and first filter residues, and adding a pectinase solution into the first filter residues for ultrasonic assisted extraction to obtain a second extracting solution; filtering the second extracting solution to obtain second filtrate and second filter residues, and adding ethanol to perform microwave assisted extraction to obtain a third extracting solution; mixing the first filtrate, the second filtrate and the third extracting solution, carrying out ultrasonic extraction with ethanol asan extracting solution, and finally performing centrifugation to remove the ethanol. The lycium ruthenicum stock solution and the preparation method thereof have the advantages that damage to activeingredients is avoided in the preparation process of the lycium ruthenicum stock solution, the stock solution contains most of the active ingredients in the lycium ruthenicum, and especially, the content of anthocyanin is effectively increased.

The invention relates to a rectifier diode module which comprises a bottom plate, two ceramic chips are arranged on the bottom plate, two mounting holes are respectively formed in the left end and theright end of the bottom plate, a group of copper-clad areas are set on the ceramic chips, and extraction electrodes are arranged on the copper-clad areas in a rectifying circuit mode, and the rectifier diode module also comprises a group of bare chips set on the ceramic chips according to a rectifying circuit and aluminum wires which are bonded between the bare chips and the copper-clad areas. The rectifier diode module can effectively solve the problems that an existing rectifier diode module is connected in a bridge connection mode, the stress is high, a chip is prone to damage, and the service life is shortened.

The invention relates to a light-emitting two-dimensional code assembly. The light-emitting two-dimensional code assembly consists of a two-dimensional code layer, a printing layer, an electroluminescent panel layer and a supporting layer sequentially from top to bottom, and further comprises a transparent waterproof cover, wherein the transparent waterproof cover is fixed with the supporting layer; the two-dimensional code layer, the printing layer and the electroluminescent panel layer are arranged therein; the printing layer is made of a transparent material; the two-dimensional code layeris adhered on the printing layer; the electroluminescent panel layer consists of upper and lower transparent electrode layers, and a light-emitting layer arranged between the two transparent electrodelayers, and the light-emitting two-dimensional code assembly further comprises a micro controller and a photoelectric proximity switch; the electroluminescent panel layer, the photoelectric proximityswitch and the micro controller are electrically connected; and a power supply end of the micro controller is electrically connected to a rechargeable battery and/or a solar cell assembly. Accordingto the light-emitting two-dimensional code assembly disclosed by the invention, light-emitting two-dimensional codes are equipped with the electroluminescent panel layer, and a signal of the photoelectric proximity switch is received through a controller, so that a power supply can be automatically switched on while light is dim; and the electroluminescent panel layer emits light to realize illumination of two-dimensional codes, so that the problem that two-dimensional codes cannot be scanned successfully under a dark light condition is solved.

The invention discloses an auxiliary sheath for a jet-type optical cable, which belongs to the technical field of cable anti-corrosion equipment and can play a basic protection role on the cable through a triangular sheath after the cable is installed, and when the triangular sheath is corroded by microorganisms, the triangular sheath is protected by utilizing the characteristic that the thickness of a flexible film is smaller than that of the triangular sheath. The triangular sheath is corroded and broken in advance when the triangular sheath is not corroded and perforated, so that the ozone agent is sprayed out under the extrusion of magnetic force to damage nearby microorganisms, the corrosion effect of the microorganisms is reduced, a protection effect on the triangular sheath is achieved, meanwhile, the movable pressing plate relieves limiting of the balancing weight under the condition that the supporting of the cylindrical sleeve is lost, and the service life of the balancing weight is prolonged. And the magnetic glue is extruded by utilizing the gravity of the balancing weight, so that the magnetic glue is sprayed out, guided to the periphery of the triangular sheath under the assistance of magnetic force and cured to form a new protective layer, the corrosion resistance of the triangular sheath is further improved, and the service life of the triangular sheath is prolonged.