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479results about How to "Won't spoil" patented technology

Composite electrode of light-emitting diode chip and manufacturing methods thereof

The invention belongs to the field of light-emitting semiconductors, and particularly relates to the field of light-emitting diode chips. The structure of a composite electrode of the light-emitting diode chip comprises an ohmic contact metal layer, a first isolated metal layer, a filled metal layer, a second isolated metal layer and a surface metal layer from bottom to top respectively, wherein the second isolated metal layer and the surface metal layer are covered on the upper surfaces and the side surfaces of the ohmic contact metal layer, the first isolated metal layer and the filled metal layer so as to completely wrap the three electrode layers in the electrode. The invention further comprises two manufacturing methods of the composite electrode, which are the method I and the method II respectively. The composite electrode uses Al, Ag and other active metals with low using cost to replace part of Au in the electrode, thereby reducing the cost of the electrode and having stronger ability to adapt to the environment; through multiple tests by an author, the composite electrode can be quickly effectively manufactured by the two methods, the manufacturing process is simple and feasible, the operability is high, and the large-scale production is convenient.
Owner:DALIAN MEIMING EPITAXIAL WAFER TECH

Flexible ceramic-like tile and production process thereof

The invention provides a face brick for decorating a building wall and a production technique, in particular to a decorative face brick adhered on the outer surface of a heat-insulating system of an external wall and the production technique of the face brick. The face brick adopts high molecular polymer and cement as gelled materials, quartz sand and / or calcium carbonate as aggregate, and acrylic acid polyurethane resin as glazed face. The face brick consists of polymers formed by cement and high molecular polymer particles, and has high strength, high tenacity, excellent resistance to pollution and light mass; the brick can release the temperature stress slowly and is easy to be cleaned. The production technique is simple and is suitable for large-scale production.
Owner:北京博达晟业科技发展有限公司

Process for preparing chlorine dioxide slow-release micro capsule

The process of preparing slow-released chlorine dioxide microcapsule includes the following steps: 1. mixing chlorine dioxide aqua and beta-cyclodextrin in the mass ratio of 1 to 2-10 at 0-20deg.c through stirring; and 2. drying at 20-60deg.c for 0.5-5 hr and grinding. The microcapsule has its core separated from outside and not affected by outer humidity, oxygen, ultraviolet ray, etc. and the present invention adopts microcapsule technology in preparing disinfectant and stabilized chlorine dioxide.
Owner:DONGHUA UNIV

Preparation method of nano silver antibacterial mother liquor through two-step polymerization

The invention discloses a preparation method of a nano silver antibacterial mother liquor through two-step polymerization, belonging to the field of nano materials. The preparation method comprises the steps of: firstly initiating oil-soluble monomers to polymerize in an aqueous solution by using an oil-soluble initiator to obtain a polymer core; then adding water-soluble monomers to polymerize into a polymer shell; and adding silver nitrate and then reducing to finally obtain the nano silver antibacterial mother liquor with good antibiotic property. The nano silver antibacterial mother liquor uses core-shell-structure polymer latex particles as the carrier so that the mother liquor has good stability. The preparation method of the nano silver antibacterial mother liquor through two-step polymerization has low preparation cost and a simple production process; the silver nano particles are not easy to agglomerate and can exist stably for a long time; the latex cannot be deteriorated and can be stored for a long time; and meanwhile, the nano silver antibacterial mother liquor is not sensitive to pH and temperature, has a good antibacterial effect and a wide range for later-stage application. The nano silver antibacterial mother liquor is mixed with a commonly used commercial water-based paint so that the paint without an antibacterial effect has good antibacterial property; and meanwhile, the diluted nano silver antibacterial mother liquor is coated on the wall surface of the water-based paint so that the same extremely good antibacterial effect is detected.
Owner:NANKAI UNIV

Preparation and application of reflecting type fluorescent glass light conversion assembly

A reflecting type fluorescent glass light conversion assembly comprises a glass substrate, a reflecting agent glass coating and a fluorescent glass coating, wherein the reflecting agent glass coating includes glass B powder and reflecting agent C according to the mass ratio of 150:1 to 100:150, a glass coating, containing a fluorescent body D, of the fluorescent glass coating is calcined on the glass substrate, and the thicknesses of the reflecting agent glass coating and the fluorescent glass coating each range from 0.3 mm to 3 mm.The reflecting agent C is an insulating body, has large optical energy band gaps and has the corresponding optical absorption wavelength of 420 nanometers or below.The reflecting agent C has a white appearance color.The assembly is prepared through the steps of mixing wide-band-gap reflecting agent powder and low-melting-point glass powder on the glass substrate to prepare a reflecting coating, then preparing the fluorescent glass coating on the reflecting coating, and fusing the reflecting coating, the fluorescent glass coating and the glass substrate into a whole through a thermal treatment process.
Owner:NANJING UNIV

Method for removing SOx in gases with polyol complex solution

The invention discloses a method for removing SOx in gases with a polyol complex solution. The method is characterized by mixing polyols with organic acids and / or organic acid salts to prepare the polyol complex solution, and contacting the polyol complex solution with gases containing SOx to absorb SOx in gases, wherein x is equal to 2 and / or 3; the polyols refer to organic compounds simultaneously containing two or more hydroxy groups in the same organic molecule except glycol and polyethylene glycol. The polyol complex solution absorbing SOx is regenerated by one or more of a heating method, a vacuum method, a gas stripping method, an ultrasonic wave method, a microwave method and a radiation method and releases sulfur dioxide and sulfur trioxide byproducts, and the regenerated polyol complex solution is recycled. The method can be used for desulfurizing flue gases, incineration gases, coke oven gases, synthetic waste gases in dye houses, blow-down gases in chemical fiber factories and other industrial raw gases or waste gases containing SOx.
Owner:BEIJING BOYUAN HENGSHENG HIGH TECH +2

Photothermally responsive smart energy saving composite film

The present invention discloses a photothermally responsive smart energy saving composite film, and is comprised of a reversible photochromism containing a spiropyran material and a vanadium dioxide based reversible thermochromism material. The smart energy saving composite film can be used to prepare one or more layers of alternating and composite color-changeable films, and is both decorative and functional, which is suitable for the requirement of energy saving in architecture and can be widely used in spheres like doors and windows of buildings and energy-saving and safe glasses of cars as well as agricultural green house films. The smart energy saving composite film is based on the photothermal response technology, has a good color changing effect, a good anti-aging property and good stability, can reduce the energy consumption and carbon emission, and has a wide market prospect.
Owner:青岛至慧新材料科技有限公司

Nitrogen-sulfur codoped fluorescent carbon dots with high quantum yield as well as preparation method and application of nitrogen-sulfur codoped fluorescent carbon dots

The invention relates to nitrogen-sulfur codoped fluorescent carbon dots with high quantum yield as well as a preparation method and an application of the nitrogen-sulfur codoped fluorescent carbon dots. According to the technical scheme, tartaric acid and L-cysteine are added to a hydrothermal reactor, a mixture is subjected to a heating reaction for 3-8 h at the temperature of 160-210 DEG C, naturally cooled to the room temperature ultrapure water is added for dissolving, a mixed solution is filtered, centrifuged, dialyzed and freeze-dried, and purified fluorescent carbon dot powder is obtained. The quantum yield of the fluorescent carbon dots can reach 19.1%. The nitrogen-sulfur codoped fluorescent carbon dots can be applied to fingerprint detection and Hg<2+> detection and have great significance for fingerprint development and extraction. Besides, sulfydryl in the nitrogen-sulfur codoped fluorescent carbon dots has strong affinity effect with Hg<2+>, and therefore, the nitrogen-sulfur codoped fluorescent carbon dots have great significance in study on the environmental chemistry. Finally, the fluorescent carbon dots can also be applied to degradation of methylene blue in printing and dyeing wastewater.
Owner:LIAONING UNIVERSITY

Rubber-type pressure-sensitive adhesive and its preparation method and application

The invention provides a rubber type pressure-sensitive adhesive as well as a preparation method and an application thereof. The rubber type pressure-sensitive adhesive comprises the following substances in parts by weight: 100 parts of butyl rubber, 30-70 parts of polyisobutene, 30-90 parts of solid terpene resin, 30-70 parts of liquid terpene resin and 150-250 parts of superfine kaolin. The rubber type pressure-sensitive adhesive disclosed by the invention has high strength and shallow color, is the solvent-free unvulcanized rubber type pressure-sensitive adhesive and can be used as a pressure-sensitive adhesive in self-adhesion rubber waterstops used in the railway.
Owner:METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +1

Spiced beef and its preparation method

The invention discloses a spiced beef which comprises beef, salt, white sugar, monosodium glutamate, gelatin, matrimony vine, eucommia, jujube, licorice, dried orange peel, haw, dahurian angelica root, ginger, dry capsicum, cassia, amomum tsao-ko, Chinese prickly ash, Chinese cassia tree, common fennel fruit, octagonal and aniseed. The spiced beef provided by the invention has advantages of rich nutrition, soft, tender and cooked meat quality, strong fragrance, proper taste and unique flavor. The meat contains high protein, low fat and high calcium. The spiced beef has health efficacy of invigorating spleen, appetizing, moistening lung, lowering lipid, reducing blood glucose and the like. Meanwhile, the spiced beef has effects of nourishing, calcium supplement, detoxification, skin beautification and pox-elimination.
Owner:孙逊

Industrial raw material quantitative charging device

InactiveCN106629108AExtended service lifeActing as a force bufferLoading/unloadingSmall holeLeft wall
The invention relates to a quantitative charging device, in particular to an industrial raw material quantitative charging device. The technical effect that the industrial raw material quantitative charging device which is small in industrial raw material charging amount deviation is provided is achieved. In order to achieve the technical effect, the provided industrial raw material quantitative charging device comprises a support, a processing box, a first pulley, a stay cord, a second pulley, a contact wheel, a fixing block, a second spring, a lifting rod, a knocking block, a wedge block, a first spring and the like. The first pulley, the second pulley and a feed hopper are sequentially arranged at the top of the processing box from left to right. A first small hole, a second small hole and a third small hole are sequentially formed in the left wall of the feed hopper from top to bottom. The purposes of the precise industrial raw material charging amount and no waste of industrial raw materials are achieved, and meanwhile, the problems that manual industrial raw material charging is not precise and the industrial raw materials are harmful to human body surface skins are solved.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

Method for producing low-salt fast fermented fish sauce

InactiveCN103027276AIncrease productionLittle difference in quality and tasteFood preparationSea saltChemistry
The invention provides a method for producing low-salt fast fermented fish sauce. The method comprises the steps of inoculating aspergillus oryzae to bran, flour and peptone serving as fermentation materials to prepare yeast; unfreezing frozen anchovy at low temperature, mixing the anchovy, 5 to 20 percent of yeast and 10 to 20 percent of sea salt uniformly, and preserving the heat for 2 to 10 days at the temperature between 30 and 35 DEG C to liquefy the anchovy fast; and after the anchovy is liquefied, adding 1 to 5 percent of syrup and 1 to 8 percent of edible alcohol, preserving the heat for 1 to 3 months at the temperature between 20 and 30 DEG C, performing natural fermentation for 1 to 2 months, sterilizing, filtering, packing, and thus obtaining the fermented fish sauce with good flavor and low salt. Compared with the conventional fish sauce fermentation, the method has the advantages that the fermentation time is shortened from more than 1 year to 4-6 months, the salt is reduced from more than 25 percent to 15-18 percent, and the flavor and the color are nearly close.
Owner:XINGYE ZHOUSHAN

Bionic thermostatic response type intelligent composite optical glass based on nano-scale phase change

The invention discloses bionic thermostatic response type intelligent composite optical glass, which is formed via arranging active ingredients of polymer colloid capable of producing reversible nano-scale phase separation type temperature responses at the critical temperature between optical glass materials. When the temperature is lower than the critical temperature, the bionic thermostatic response type intelligent composite optical glass has a good light transmission performance (the light transmittance with the ultraviolet wavelength being 200-380nm is less than 1 percent, and the light transmittance with the wavelength being 380-2500nm is more than 60 percent); and when the temperature is higher than the critical temperature, the bionic thermostatic response type intelligent composite optical glass is opaque (the light transmittance with the ultraviolet wavelength being 200-380nm is less than 1 percent, and the light transmittance with the wavelength being 380-2500nm is less than 10 percent. The intelligent composite optical material is formed based on the nano phase separation technology and can be used for 5-10 years continuously and normally at the outdoor temperature of minus 20 DEG C to 80 DEG C, the energy consumption can be reduced, carbon emissions can be reduced, and the material has broad market prospects.
Owner:青岛至慧新材料科技有限公司

Semi-wet static gas dedusting and purifying device

The invention relates to a semi-wet static gas dedusting and purifying device and belongs to the technical fields of dedusting, waste gas treatment and environmental protection. According to the device, dust in gas flow is electrically charged by adopting corona electrodes parallel to the gas flow direction; the corona electrodes are respectively arranged between disk-type dust collecting poles; disks of the disk-type dust collecting poles are parallel to the gas flow direction and are continuously rotated under the action of a transmission shaft; the lower half parts of the disks are immersed in a water solution, liquid films are continuously produced on the disks along with the rotation; therefore, the capturing efficiency of PM2.5 (Particulate Matter2.5), even the particulate matter with the size below 2.5 is remarkably increased and the semi-wet static gas dedusting device is very suitable for indoor air purification.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Cinnamon essential oil loaded Pickering emulsion and preparation method thereof

The invention discloses cinnamon essential oil loaded Pickering emulsion. The cinnamon essential oil loaded Pickering emulsion is characterized by comprising the following components in a volume ratio: 45-55% of compounded oil phases by using cinnamon essential oil as a main component, 18-23% of a zein solution, 7-12% of a pectin solution and 17-23% of a xanthan gum solution. The cinnamon essential oil loaded Pickering emulsion disclosed by the invention can be diluted with water to have different working concentrations, can still maintain stable and homogeneous state, and can be widely applied to sepsis resistance and fresh keeping of various fruits and vegetables after picking and during the shelf life in the effect manner of coating, soaking and the like.
Owner:SHANDONG INST OF POMOLOGY

Sugar response supramolecular gel with G-quadruplex structure and preparation method thereof

InactiveCN105622692AHigh strengthSugar responsiveOrganic active ingredientsSugar derivatives2-formylphenylboronic acidRaw material
Disclosed is sugar response supramolecular gel with a G-quadruplex structure. A preparation method includes: taking sugar response of 2-formylphenylboronic acid as a center; utilizing a vicinal diol structure that vernine has to react with the 2-formylphenylboronic acid to form dynamic covalent bond boron ester bond; enabling primary amine in tri(2-amino ethyl)amine and aldehyde group of the 2-formylphenylboronic acid to form dynamic imine bond; forming the G-quartet structure when potassium ions among basic groups of vernine are stable. The sugar response supramolecular gel can be used for detecting release effect of methylthionine chloride in a glucose solution and an acidic solution. The sugar response supramolecular gel and the preparation method have the advantages that the gel prepared by the method is stable, high in strength, high in sugar response performance and capable of loading a lot of macromolecular / micromolecular gel; raw materials related to the preparation method are simple, and the supramolecular gel can be prepared by utilizing micromolecules while complex synthesis steps are not needed, so that cost is low, production process is simple, products can be stored for a long time without going bad, the raw materials are low in toxicity, and the preparation method is easy to popularize and apply.
Owner:NANKAI UNIV

Cooling device for dairy product

The invention discloses a cooling device for a dairy product. The cooling device comprises a cooling and heat preservation treatment box, a handle, connection fixing blocks, a protection cover, a stress rotating shaft, a display screen and a regulating and controlling device, the two connection fixing blocks are correspondingly welded to the two side faces of the cooling and heat preservation treatment box and are symmetrically distributed, the cooling and heat preservation treatment box comprises a protection shell, auxiliary inclined sliding devices, a cooling and heat preservation device, ato-be-triggered power storage box, a pushing stretchable support and conductive energy conversion devices, and the pushing the stretchable support is installed between the two conductive energy conversion devices and are movably connected with the two conductive energy conversion devices. Based on the prior art, the cooling device is characterized in that the adjustment on the temperature of thedevice can be achieved through the outside, when an internal temperature sensing device senses that the internal temperature is higher than a value, equipment inside the device can be triggered to enable refrigeration equipment inside the device to be started, the refrigeration equipment is pushed to an outer ring of the dairy product to perform rapid cooling on the interior of the device, and when the temperature inside the device is reduced, operation of the refrigeration equipment is stopped, and a heat preservation layer is arranged inside the device so that the temperature of the device cannot be reduced so quickly.
Owner:邹许

Household soybean milk maker

A household soybean milk maker including a main body defining a space for receiving water, a cover element openably installed on an upper end of the main body, a drive motor disposed in the cover element to generate rotating force, a drive shaft for outputting rotating force of the drive motor, a blade connected to the drive shaft, a temperature sensor for detecting a temperature of the inside of the main body, and a sieve-like container which accommodates soybeans therein and is detachably attached to the cover element. A water vessel is coupled to a lower end of the main body.A steam generator is arranged in the water vessel to generate steam. Guide tubes are formed in the main body so that steam generated by the steam generator can be supplied through the guide tubes to soybean juice produced when the blade breaks the soybeans.
Owner:金弘培

Seawater desalination de-foaming agent as well as preparation method and application thereof

The invention relates to a seawater desalination de-foaming agent as well as a preparation method and application thereof. The de-foaming agent is prepared from silicon paste, polyether modified organic silicon, an emulsifier, a thickening agent and water, wherein the mass percent of the silicon paste is 5 to 20 percent, the mass percent of the polyether modified organic silicon is 10 to 30 percent, the mass percent of the emulsifier is 2 to 10 percent and the mass percent of the thickening agent is 0.5 to 2 percent. The preparation method comprises the following steps: (1) weighing the silicon paste, the polyether modified organic silicon and the emulsifier according to the mass percent and mixing at 70 to 80 DEG C to obtain a mixture; (2) preparing the thickening agent into a water solution; (3) injecting 1 / 3 or less of the thickening agent water solution into the mixture of step (1); after uniformly mixing, adding the residual thickening agent water solution in batches to obtain thede-foaming agent. The de-foaming agent provided by the invention has the characteristics of high stability, rapid de-foaming speed, good foam inhibition performance, good compatibility with a scale inhibitor and the like and has good environment-friendly performance and a wide application prospect.
Owner:自然资源部天津海水淡化与综合利用研究所 +1

Waterproof heat insulation sandwich layer used for waterproof heat insulation surface materials

The invention provides a waterproof heat insulation sandwich layer used for waterproof heat insulation surface materials, which relates to a waterproof heat insulation sandwich layer. The invention solves the problems of poor ventilation performance and poor heat insulation capability of the existing waterproof heat insulation surface materials. The waterproof heat insulation sandwich layer of the invention consists of hydrophobic aerogel powder body filling materials and a polyfluortetraethylene sealing outer layer from inside to outside, wherein the hydrophobic aerogel powder body filling materials are uniformly paved and spread in the polyfluortetraethylene sealing outer layer, and the thickness of the waterproof heat insulation sandwich layer is controlled in a range between 0.5 and 30 mm. The waterproof heat insulation sandwich layer has the heat conductivity coefficient between 0.025 and 0.05 W / m*K, and has good heat insulation and thermal isolation effect. The polyfluortetraethylene used as the outer layer has good waterproof function. Because of a polyfluortetraethylene microcellular structure and the flowability of the aerogel powder body, the waterproof heat insulation sandwich layer has good ventilation performance. Compared with the existing heat insulation waterproof materials, the invention has the advantages that when the same heat insulation effect is reached, the waterproof heat insulation sandwich layer of the invention has small thickness, light weight, flexible texture, convenient application and wide application field.
Owner:黑龙江德明科技开发有限公司

Hydrochloric acid diltiazem freeze-dried powder injection for injections and preparation method thereof

The invention provides a diltiazem hydrochloride freeze-dried powder injection for injection and a preparation method thereof. The freeze-dried powder injection comprises diltiazem hydrochloride and mannite, the proportion by weight of diltiazem hydrochloride and mannite is 1: 1 to 8. The freeze-dried powder injection has favorable clarity and stability and high content of main drug, thereby being freeze-dried powder injection with good quality.
Owner:HAINAN JINRUI PHARMA

Automatic preparation device and method for flocculant solution

The invention discloses an automatic preparation device and a method for flocculant solution. The automatic preparation device comprises a powder silo, a screw powder supply mechanism, a measuring pocket, a mixer, a first dissolving tank, a second dissolving tank and a controller in sequence. The preparation method includes: delivering flocculant powder stored in the powder silo to the measuring pocket through the screw powder supply mechanism, feeding the powder into the mixer under the action of compressed air to enable the powder to be uniformly mixed with water under the pressure of 0.12-0.2MPa, allowing obtained mixed materials to sequentially enter the first and second dissolving tanks, and stirring to obtain the flocculant solution with mass concentration being 3-5%o. The automatic preparation device and method for the flocculant solution have the advantages that automatic control can be realized, thorough mixing and dissolving of flocculant in water can be guaranteed, the prepared flocculant solution can be directly fed to each dosing point through dosing pumps to guarantee the flocculant solution against deterioration failure caused by long-term storage, and accordingly influences on wastewater treatment effects are avoided.
Owner:BAOSHAN IRON & STEEL CO LTD

Instant bird's nest product and production process thereof

The invention discloses an instant bird's nest product and a production process thereof. The production process specifically comprises the following steps: evenly and flatly laying bird's nests in a closed space for moisture regaining till the moisture content of the bird's nests is 30%-50%; transferring the bird's nests subjected to moisture regaining into a preheated steaming device, and closinga door for steaming to obtain a dried bird's nest product; soaking the dried bird's nest product in purified water, and after the swelling rate reaches 4.0-6.0 times, picking and removing impuritiesand foreign matters in the bird's nests, and spin-drying the bird's nests for later use; sub-packaging the obtained bird's nests into a container, adding a sugar solution for opening sealing, and carrying out sealing to obtain a pre-finished bird's nest product; and finally, putting the pre-finished bird's nest product into a sterilization pot, heating the sterilization pot, stewing and sterilizing the pre-finished bird's nest product, and cooling the pre-finished bird's nest product at normal temperature to obtain the instant bird's nest product. Under the condition that the taste of the currently stewed bird's nest is not changed, the nutritional value of the bird's nest is kept. The bird's nest product has good rehydration property, is convenient to carry, has the characteristic of long-term storage without adding preservatives, and is suitable for industrial production.
Owner:厦门市燕之屋丝浓食品有限公司

Dead livestock conveying vehicle

The invention discloses a dead livestock conveying vehicle. The dead livestock conveying vehicle comprises a chassis, a disinfecting system, a refrigerator, a goods box, a loading mechanism and a pedal mechanism, the goods box is mounted on the chassis, and the refrigerator and the loading mechanism are mounted in the goods box. The disinfecting system is located in the goods box, and the pedal mechanism is mounted on the goods box. The loading space of the conveying vehicle is large, and dead bodies can be automatically loaded and unloaded, when the livestock dead bodies are located, the deadbodies can be easily placed on any position in the goods box, the dead bodies are prevented from being stacked, and the work efficiency and the personnel health safety are greatly improved. The conveying vehicle is provided with the pedal mechanism, the goods box can be automatically connected with a pedal on the ground, conveying of the dead bodies and walking of personnel into and out of the goods box are facilitated greatly, and the pedal mechanism cannot interfere unloading of the dead bodies. The conveying vehicle is provided with the disinfecting system, double disinfecting and sterilizing of the goods box can be achieved through disinfecting liquid and ultraviolet lamp light rays, and breeding and reproduction of bacteria and viruses of the livestock dead bodies in the conveying process are limited.
Owner:HEBEI UNIV OF TECH

Method for producing hydrogen by hydroboron and portable hydrogen generator

InactiveCN101935018AEliminate cakingMeet the requirements of instantaneous hydrogen consumptionHydrogen productionHydrogenPhysical chemistry
The invention relates to a portable hydrogen generator and a method for producing hydrogen by hydroboron, which has high hydrogen producing speed and high safety. The method is characterized in that the hydrogen producing hydroboron is a mixture formed by mixing the hydrogen producing hydroboron with boron and oxygen compounds according to the B atom molar ratio of 1:(4-0.5); and the hydrogen generator is provided with an air bag and / or a mechanical stirring device which is driven by utilizing pressure change under the hydrogen producing mixture in a hydrogen producing mixture storing seal container. The invention overcomes the defects of hydrolysis hydrogen preparation by a hydroboron caustic alkali solution and hydrogen preparation by using catalyst and has high hydrogen producing speed by reaction with water and can finish the reaction in 3-10 seconds; and the hydrogen producing mixture is safe and stable at normal temperature and normal pressure without automatically discharging hydrogen, therefore, the hydrogen producing mixture can be stored for a long time. The portable hydrogen generator has the advantages of simple equipment and convenient carrying and use; and because the stirring or creeping device is arranged under the position for storing the reaction hydrogen producing mixture, the portable hydrogen generator has high safety and is more beneficial to complete and thorough reaction.
Owner:应宁 +1

Biological material vitrified frozen vector and preparation method thereof

The invention discloses a biomaterial vitrified freezing vector and a preparation method thereof. The biomaterial vitrified freezing vector provided by the invention comprises a syringe needle (1) and a wheat flake (2), wherein the syringe needle (1) consists of a needle (1-1) and a needle seat (1-2); the wheat flake (2) is an open finely-drawn straw; one end (2-1) of the wheat flake (2) is sleeved in an inner cavity of the needle (1-1); and the straw wall on the other free end (2-2) of the wheat flake (2) is partially lost, and the cross section of the residual straw wall is one fifth to one third of the circumference. The invention also provides the preparation method for the biomaterial vitrified freezing vector. The biomaterial vitrified freezing vector has the advantages of simple and convenient operation, short time consumption, low cost and so on, is suitable to be used by genocentric labs of various hospitals and various research units, and has important significance in promoting the development of the vitrified freezing technology in the medical field and the cryopreservation research on ovum, embryo, ovarium tissues and so on.
Owner:PEKING UNIV THIRD HOSPITAL

Water purifying and water storing unit, and water purifying and water storing system

The invention belongs to the field of municipal engineering technologies, and especially relates to a water purifying and water storing unit, and a water purifying and water storing system provided with the water purifying and water storing unit, which are used for collection, filtration, purification treatment and storage of rain water. The container wall of a water container of the water purifying and water storing unit is water resistant; a water discharging well and invisible wells around the water discharging well are arranged in the water container; pervious structures are employed for the well walls of the water discharging well and the invisible wells; spaces between the water discharging well and the container wall of the water container, and spaces between the invisible wells and the container wall of the water container are all filled with a filling material; and a pervious surface bed is arranged on the invisible wells and the filling material. A combination mode of ventilation anti-seepage treatment and concrete floor is employed for the well bottom of the water discharging well and the invisible wells, so that water will not deteriorate, and subsidence of the water discharging well and the invisible wells will not happen; hexagonal honeycomb structures are employed for the water discharging well and the invisible wells, so that the structures are stable, specific surface area is large, carriers are provided for biofiml formation, water processing performance is obtained, and no energy is consumed.
Owner:北京仁创生态科技有限公司

One-step method for green synthesis of nitrogen-doped fluorescent carbon nanodots

The invention discloses a one-step method for green synthesis of nitrogen-doped fluorescent carbon nanodots, and belongs to the technical field of synthesis of fluorescent carbon nanomaterials. The one-step method for green synthesis of nitrogen-doped fluorescent carbon nanodots comprises the following steps: dissolving maleic acid in distilled water, adding ethidene diamine, trihydroxymethyl aminomethane or melamine, and carrying out ultrasonic treatment to uniformly dissolve so as to obtain a colorless transparent solution; transferring the colorless transparent solution into a hydrothermal reaction kettle to heat at 170-200 DEG C for 12-18 hours and naturally cooling to the room temperature to obtain a sepia solution; carrying out suction filtration by using a filter membrane with a pore diameter of 0.1 micron to obtain a nitrogen-doped fluorescent carbon nanodot solution. The one-step method provided by the invention is simple to operate, mild in synthesis condition, less in raw material dosage, relatively low in comprehensive cost, green, environment-friendly and easy to produce in a large scale.
Owner:HENAN NORMAL UNIV

Light curing forming process for resin lens

InactiveCN105690783AHigh technology automationExcellent performanceOptical articlesSolid-stateUV curing
The invention provides a light curing forming process for a resin lens. The light curing forming process comprises the following steps of raw material blending, raw material pouring, ultraviolet light curing, mold making and postcuring; specifically, blended monomer raw materials are put into a special curing machine after raw material pouring, a to-be-cured mold are sequentially subjected to an IR preheating stage, a UV curing stage, a cooling stage and then discharging; after the mold receives light energy at the UV curing stage, monomers are polymerized into a solid state from the liquid state in the mold; and a preliminarily formed product obtained through mold making is fed into a postcuring furnace, and a finally formed product is obtained after curing. Light-heat combination curing is adopted for the light curing forming process for the resin lens, a forming cycle only needs several minutes, and the light curing forming process is a first creation in China and in the world. The light curing forming process for the resin lens is different from the current resin lens heat curing forming process of which a forming cycle needs twenty hours. The light curing forming process for the resin lens is capable of saving energy, protecting the environment, efficient, high in technological automation, simple and easy to learn. The finished product is more excellent in performance through detection.
Owner:蔡征宇 +3
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