448results about How to "Improve release efficiency" patented technology

The invention provides a nano-silver antibacterial fabric and a preparation method thereof. The nano-silver antibacterial fabric has the characteristics that a zinc oxide nano line grows on the fabric; and silver nano particles are deposited on the zinc oxide nano line. The zinc oxide nano line is synthesized by a solution chemical method; and the silver nano particles are deposited on the zinc oxide nano line by a simple 'immersion-illumination' method. The nano-silver antibacterial fabric prepared by the method has extremely obvious long-time antibacterial performance; the silver nano particles are small in size and cannot be accumulated; a synthesis process is environment-friendly; and the nano-silver antibacterial fabric can be recycled and reused. The nano-silver antibacterial fabric can be used for single-point water treatment to reduce microorganism content in water and can be suitable for medical surgical dressing and medical fabrics; and the nano-silver antibacterial fabric can be used as an antibacterial air filtration device for preventing bio-aerosol from being gathered on a ventilating, heating and air conditioning system.

The invention relates to a graphite-paraffin composite phase-changing and energy-storing concrete and a preparation method thereof. In the phase-changing and energy-storing concrete, cement, water, sand, gravels and a water reducer are used as substrates, and paraffin phase-changing materials, graphite with enhanced heat conducting function, and fiber reinforced materials with enhanced mechanical strength are also comprised. The preparation method comprise the steps of: firstly, mixing the paraffin and the graphite, heating until the paraffin totally melts, and continuously stirring to uniformly mix the paraffin and the graphite into a viscous form; putting the sand and the gravels into a stirrer, then putting fibers and the cement, carrying out dry mixing, adding the water and the water reducer subsequently, and rapidly stirring to reach a uniform state; and then putting the molten paraffin-graphite viscose mixture into the obtained concrete mixture, and uniformly mixing. Because the graphite is added into the paraffin to be used as an additive, the coefficient of heat conductivity of the phase-changing and energy-storing concrete is greatly enhanced, so that the heat storing and releasing efficiency of an energy-storing material is enhanced.

The invention relates to a nanomicelle of magnetic tumor double-targeting polymer and a preparation method thereof. The nanomicelle of magnetic tumor double-targeting polymer is a nuclear shell structure; the surface of an outer shell is connected with targeted ligand, an inner core is enclosed with nano-particles of super paramagnetic ferriferrous oxide and anticarcinogen with hydrophobic property; in virtue of the physical effect of an external magnetic field and induction of the targeting ligand, the tumor double-targeting function of the nanomicelle is realized. The invention also provides the preparation method of the nanomicelle of magnetic tumor double-targeting polymer: polyethylene glycol with end capping by folacin, and poly Epsilon-caprolactone or sandwich copolymer of poly propiolactone are taken as raw materials and enclosed with the nano-particles of super paramagnetic ferriferrous oxide and the anticarcinogen with hydrophobic property, and then dialysed to obtain the nanomicelle of magnetic tumor double-targeting polymer. The drug carrier system of the nanomicelle reinforces the treatment effect of the anticarcinogen with hydrophobic property on tumor, prolongs the circulating time of the anticarcinogen in human body, intensifies the targeting action of drugs, improves the release efficiency and partial concentration of drugs, and reduces the dosage and toxic and side effect of drugs.

The invention provides bamboo charcoal odor-removing antibacterial emulsion paint and a preparation method thereof. The emulsion paint comprises the following components in parts by weight: 120-450 parts of aqueous resin; 2-6 parts of antifoaming agent; 1-4 parts of antiseptic; 3-10 parts of dispersing agent; 100-300 parts of pigment; 100-400 parts of filling material; 1-10 parts of thickening agent; 1-10 parts of flatting agent; 5-20 parts of nano inorganic anion auxiliary agent; 21-39 parts of nano-polymer hollow microsphere; 21-39 parts of bamboo vinegar liquid; 0-350 parts of water; and 1-10 parts of anionic surface active agent. The emulsion paint provided by the invention can be painted on wall surfaces and woods and has the characteristics of light smell, low volatile organic compound, good masking power, excellent adhesive power, scouring-resistance, and safe high-efficient broad-spectrum bactericidal antibacterial effect and the like.

The invention discloses an imidazoline quaternary ammonium salt corrosion inhibitor which is prepared from the following preparation raw materials including a corrosion inhibitor main component raw material and an additive raw material; the corrosion inhibitor main component raw material is one of oleic acid, benzoic acid, fatty acid, lauric acid and natural eleostearic acid; and the additive rawmaterial includes diethylenetriamine, dimethyl sulfate or benzyl chloride, boric acid and xylene. The invention also discloses a preparation method of the imidazoline quaternary ammonium salt corrosion inhibitor and aims at solving the problem of poor corrosion inhibition performance of the existing corrosion inhibitor in an acid medium. The preparation method is simple, is liable to operate and can perform recovery utilization on a solvent. An imidazoline corrosion inhibitor has the advantages of low toxicity, high slow release efficiency and wide use range. Physical characterization and performance test results of the corrosion inhibitor show that oleic acid imidazoline quaternary ammonium salt has better slow release performance, and the slow release performance of the benzyl chloride is better than the slow release performance of the dimethyl sulfate after being quaternized. A polarization curve test shows that synthesized corrosion inhibitors are all cathodal depression type corrosion inhibitors.

The invention discloses an interface coarsened LED and a manufacturing method thereof. The manufacturing method comprises the following steps: providing a substrate; forming a luminous structure on the substrate; forming a first electrode on the luminous structure; and integrating the luminous structure with the first electrode; etching a luminous zone with a coarsened interface by exposing, developing and etching on the luminous structure; and forming a second electrode on the other side of the substrate. The coarsened interface of the LED can increase the light emitting area and causes the light ray which experiences total reflection to be emitted to the interface with a different angle next time, which greatly improves the release efficiency, the light extraction efficiency and the brightness. Furthermore, the technology of the interface coarsened LED and the manufacturing method is applicable to various materials without limitation on application, and the coarsened interface has evener distribution, which can effectively enhance the external quantum efficiency.

Disclosed is a positive electrode material for secondary batteries, which is characterized by being composed of a lithium transition metal silicate obtained by firing a mixture of a transition metal compound containing at least one transition metal selected from the group consisting of Mn, Fe, Co and Ni, a lithium compound and a silicon polymer compound. The lithium transition metal silicate can be produced at low cost, while having high lithium absorption/desorption efficiency per unit amount of the transition metal, high stability and high safety. Consequently, the lithium transition metal silicate enables to obtain a secondary battery having excellent charge/discharge characteristics.

The invention provides a method for preparing biodegradable polymer nano particles. The method comprises the following main steps of: mixing an oil phase solution of a biodegradable polymer and an aqueous phase solution of a surfactant; uniformly filtering the mixed solution for a few times through a manual membrane filtering device to obtain biodegradable polymer emulsion with uniform size; and volatilizing the organic solvent to obtain an aqueous solution of the biodegradable polymer nano particles, removing the surfactant by high-speed centrifuging, then dispersing with deionized water, and thus obtaining dispersion of the biodegradable polymer nano particles. By the method, experimental parameters such as the concentration of the biodegradable polymer, the membrane aperture, the membrane filtering times, the concentration of the surfactant, the molecular weight of the biodegradable polymer and the like can be conveniently adjusted, and the medicament release rate can be controlled by effectively controlling the particle diameter; the prepared nano particles have uniform size; control of medicament loading quantity is facilitated, so that the medicament release efficiency is improved, and the effective acting time is increased; and the method is simple and quick, and is suitable for large-scale production.

The present invention discloses a monolithic prefabricated construction method of pretensioned beam, the main working procedures of which comprise: construction preparation, bottom die adjustment, guide device and lateral die installation, hoisting bottom web reinforcement, end die and steel beam installation, threading steel strand and PVC pipe, hoisting internal die and deck reinforcement, firstly pulling of steel strand, finally pulling of broken line reinforcement, finally pulling of straight line reinforcement, grider concrete packing, grider concrete maintenance, loosening internal and lateral dies, broke line extension, cutting guide device, straight line reinforcement extension, hoisting steel beam, end and internal dies removal, hoisting grider, cutting wire and sealing anchor, etc. The construction method adopts straight line and broken line reinforcements, which is able to meet the demand of prefabricated construction of bridge with 32m / 900t big span and large tonnage; at the same time, the construction method selects tension and extension technique of 52000kN large tonnage tensioning force, which ensures that the grider has balanced stress, and improves the tension and extension efficiency and security, etc.

The invention discloses a temperature and humidity regulating type composite coating material and a preparation method thereof. The material is prepared from raw materials as follows: a styrene/butyl acrylate emulsion, deionized water, modified artificial zeolite, shape-stabilized phase change materials, silica sol, alcohol ester 12, nano titanium dioxide, an antibacterial agent, a thickening agent, a dispersant, an antifoaming agent and 0.5-1.5 parts of a sodium hydroxide solution. Compared with existing various ceramic-simulating coatings, dry powder coatings and resin coatings, the temperature and humidity regulating type composite coating material prepared with the method has the characteristics of high moisture absorption capacity, high moisture adsorption and release speed, thermal insulation, air purification, good flexibility, long service life, convenience in construction and the like, is suitable for indoor decoration of high-standard hotels, office buildings, houses and the like with high requirements for comfort of human bodies, can also be used for space decoration of a storage room, an underground warehouse and the like with moisture-proof and mildew-proof demands and belongs to an energy-saving and environment-friendly building coating.

The invention relates to a pair of breathable shoes. Each breathable shoe comprises a shoe sole body, an air bag component and a groove. Each air bag component comprises an inlet pipe and at least one outlet pipe; an inlet check valve and an outlet check valve are respectively arranged in the inlet pipe and each outlet pipe; each shoe sole body is connected with a waist plate; an inlet passage communicated with the outside is arranged in each waist plate; each inlet passage is communicated with the corresponding inlet pipe; each shoe sole body comprises a half sole part, an arch part and a heelpiece part; each half sole part is provided with a release slot and an air bag; the outlet pipes on each air bag are communicated with the corresponding release slot; each inlet check valve and each outlet check valve are located at the corresponding heelpiece part. Air inlets of each breathable shoe are located on the corresponding waist plate far away from the ground, and therefore, the phenomenon that water or dust enters the inlet passages to cause the air bag components to be blocked can be effectively prevented, and the reliability is high. Each inlet check valve and each outlet check valve are arranged on the corresponding heelpiece part, so that the safety and the comfort are better; each air bag is arranged at the corresponding half sole part, and is capable of sucking and releasing more air to play a role of rapidly cleaning air in the shoes, so that the ventilation Efficiency of the interiors of the shoes is improved.

The invention provides a luggage security check system and method, and belongs to the field of security and protection. The system comprises an information acquisition unit, an information processingunit, a luggage security check subsystem and a tray conveying subsystem; the information acquisition unit is used for acquiring passenger information and tray numbers; the information processing unitis used for storing data, binding and unbinding passenger information and tray numbers, generating a conveying instruction and sending the conveying instruction to the tray conveying subsystem; the luggage security check subsystem is used for carrying out X-ray perspective check and marking on luggage and sending a luggage X-ray image and a luggage marking result to the information processing unit; and the tray conveying subsystem is used for receiving the conveying instruction and completing a conveying action corresponding to the conveying instruction. According to the invention, the workload is reduced; automatic baggage sorting, automatic abnormal baggage re-inspection and automatic baggage tray delivery and recycling are realized, and passenger information and baggage security inspection results are bound and recorded.

The invention discloses a weeding composite material for avoiding soil consolidation. The material is prepared from a modified slow release filler, a soil amendment, silica gel, talcum powder, acetyl chitosan, fucoidan, sodium polyphosphate, hexamine, sulfamic acid, sodium percarbonate, amide percarbonate, sodium chloride, copper sulfate, ferrous sulfate, dichlorphenoxyacetic acid, penoxsulam, pyribenzoxim, flucetosulfuron, quinclorac, cyhalofop-butyl, metribuzin, fentrazamide, octyl methoxycinnamate, glycerin, n-butyl acetate, monopotassium phosphate, sodium tetraborate and dodecylbenzene sodium sulfate. The weeding composite material can carry out efficient high-quality release on a weeding additive to improve the efficiency and quality of weeding and meanwhile avoid soil consolidation and soil depletion in the process of weeding.

The invention discloses a phase-change composite material with a photo-thermal conversion function and a preparation method thereof, and belongs to the cross field of phase-change energy storage and energy conversion. The multifunctional phase change composite material is prepared by combining Ti2O3 nano particles with a heat storage phase change material for the first time, so that a photo-thermal conversion function is expected to be provided on the basis of phase-change heat storage and temperature control functions, and the carbon foam-based phase-change composite material which is is easy to cut and process, has a controllable appearance size, has light weight and flexibility, and has photo-thermal conversion performance is provided. Due to the three-dimensional porous carbon foam matrix of the phase change composite material, the phase-change material can be stably stored, and the storage capacity can be regulated and controlled. The phase-change composite material has excellent photo-thermal conversion and temperature adjusting functions and can be used in the aspects of heat energy storage and release, thermal insulation, photo-thermal conversion, infrared stealth and infrared decoy of military equipment, and the like.

The invention discloses a cigarette clamp for a smoking machine. The cigarette clamp comprises a cigarette accommodating device used for accommodating a cigarette, a cigarette heating device used for heating the cigarette to enable the cigarette to release smoke in a non-burning state, a cigarette temperature measuring device used for measuring the temperature of the cigarette, and a temperature control device used for controlling the cigarette heating device to conduct heating to a set temperature, wherein the set temperature is lower than a tobacco ignition point. The cigarette clamp can be directly installed at the front end of the smoking machine, refitting of the smoking machine is not needed, and the cigarette clamp is simple in structure and easy to obtain. By the adoption of the cigarette clamp, harmful ingredients and fragrance contained in smoke released by the cigarette in the non-burning state can be analyzed, and multiple smoking methods can be adopted according to experiment requirements, so that an experiment basis is provided for research, development, production and promotion of non-burning tobacco products.

The invention discloses a method for planting nursery-grown plants by using a slow-release fertilizer. The method comprises the following steps: S1, planting: digging holes, planting nursery-grown plant seedlings, applying a bottom fertilizer in each planting hole, uniformly mixing the bottom fertilizer with top soil, backfilling the mixture to the bottom layer, backfilling fine soil, and irrigating the soil with enough root fixation water; and S2, fertilizer application: planting young trees at the age of 1-2 years, applying fertilizers by two times to four times in March to April, applying organic compound fertilizers every time, applying potassium sulphate compound fertilizers to the trees every time once in the first ten-day period and the middle ten-day period of May separately, applying urea in the middle ten-day period of every month in June and July, applying potassium sulphate compound fertilizers in the last ten-day period of August, dipping holes and applying farm manure and calcium magnesium phosphate fertilizers in October, applying bud fertilizers to bearing trees in the middle ten-day period of February before germination by digging annular ditches, filling earth and covering after irrigation, and applying the organic slow-release fertilizer. By the method for planting the nursery-grown plants, the survival rate and the quality of planted nursery-grown plants can be improved effectively.

The invention discloses a video detector-based bus signal priority control method and belongs to the technical field of intelligent traffic control. The video detector-based bus signal priority control method comprises the following steps: based on the video detector, performing signal priority identification of buses which enter the detection range; based on the video detector, performing operating parameter detection on the buses with signal priority and transmitting to an intersection signal machine; and performing priority control on the buses with signal priority according to the operating parameters of the buses with signal priority by the signal machine. The vehicle entering the detection range is subjected to priority identification by the video detector, the operating parameter of the buses with signal priority is acquired by the video detector, the operating parameter is transmitted to the intersection signal machine, and the signal machine controls the time of maintaining the current state of a signal lamp, so that control of the priority passing of the buses is realized, the passing efficiency of the buses is improved and traffic pressure is relieved.

The invention discloses a steeply inclined thick coal seam horizontal subsection small short-wall fully mechanized caving mining method. The method comprises the following steps of 1, arranging a working face roadway, specifically, dividing a coal seam into a plurality of horizontal subsections along the inclination direction, arranging the working face stoping roadway, forming ventilation systemson the two sides of the stoping roadway, forming a coal conveying system on an air inlet side and forming a gob-side air return roadway in a gob; and 2, performing stopping, specifically, adopting acoal roadway fully-mechanized excavating machine for coal falling, arranging two traction supports in the advancing direction of a working face, arranging two coal caving supports perpendicular to thetraction supports, punching deep holes in the working face stoping roadway before coal caving to conduct presplitting on top coal, after presplitting, firstly pulling and moving the two traction supports, forwards pulling and moving two coal caving supports at the same time, enabling the second coal caving support to achieve coal discharging by 1/3 after the first coal caving support is used forachieving coal discharging by 1/3, repeatedly executing the steps alternately, stopping coal caving when gangue accounts for a half of the coal caving amount. The method has the advantages of being reasonable in design, easy and convenient to construct, high in coal recovery rate and safe in mining process.