49results about How to "Simple storage conditions" patented technology

The invention discloses a scale production process of nitrobacteria in liquid of high activity and high stability wherein the process comprises, arranging flexible fiber in aerobiosis fermentation apparatus, employing culture medium containing low molecular organic carbon to accelerate the attached growth of the nitrifying bacteria, supplementing low molecular organic carbon source and nitrogen source in time, carrying out timely elution to the nitrifying bacteria on the soft fiber, conserving the collection liquid with the condition of low resolving oxygen, low pH and sealing strip, detecting and loading into packaging appliance.

The invention provides a nanometer striking pin capable of intensifying micro-power on the surfaces of substances. The nanometer striking pin is characterized by being a polymer molecule composed of an artificial synthetic material.

The invention provides a preparation method of a fiber reinforced polymer sheet, and relates to a manufacturing method of the fiber reinforced polymer sheet used for enhancing and reinforcing an engineering structure. The preparation method comprises the following steps of: preparing a mixed fiber cloth; performing local reinforcement on two ends; and obtaining a finished product by a process of folding the mixed fiber cloth and prefabricating the two ends into waveform. The fiber reinforced polymer (FRP) sheet prepared by the method is small in width, is easy to be clamped and anchored by a wave-shaped-gear grip anchor, can bring the ultimate strength into full play, can significantly improve the reinforcement effect of the engineering structure, and is simple in manufacturing process, convenient in construction and low in cost. The method provided by the invention has the characteristics of flexible preparation mode, simple process, less production equipment, low cost and the like. The FRP sheet prepared by the method is widely used for enhancing and reinforcing newly-built or built engineering structures, and is particularly suitable to be used as a prestressed material to reinforce bridges or building constructions, and used as a stay cable, a suspension rod and the like for manufacturing bridges.

The invention discloses a manufacturing method for liquid film closed type plant primary-color herbarium specimens. The manufacturing method comprises the procedures of dehydrating the specimens, spraying, drying and storing, wherein the specimen dehydration procedure is to clear leaves of the collected fresh plants, remove dust and dirt and absorb water by using absorbent paper or perform plasticizing dehydration by using polyethylene glycol; the spraying procedure is to spray varnish serving as a film medium onto the surfaces of the plant leaves, so that one layer of paint film covers the surfaces of the leaves uniformly; the painted leaves are placed on a rack and the varnish film is dried; and the specimens which are inspected to be qualified are stored. The varnish is sprayed on the herbarium specimens based on a paint film-forming technological principle, so that one layer of paint film is adhered to and wrapped on the surface of each specimen; and each herbarium specimen is subjected to film sealing by drying the surface of each specimen. The adopted varnish is transparent and colorless; and after the film is sealed, the light transmittance is high, the original state of the specimen is not damaged and destroyed and the original color can be observed. After the varnish is formed into the film, air can be isolated, so color fading and deterioration are avoided, the storage condition is simplified and the service life is prolonged.

The invention discloses a method for solving flowering asynchronism during crossbreeding of cymbidium. The method includes the following steps: picking out an anther cap of cymbidium through a sterilized picking tool when the petal of a cymbidium simple flower unfolds; picking the cymbidium pollinium to a clean and sterile container through the sterilized picking tool and sealing the pollinium in the sterile container; storing the container in a dark place at the temperature of 4-6 DEG C; unfreezing the stored pollinium at the room temperature for 20-30 min when the female parent orchid blooms; adding sterile water and performing rewetting for 20-30 min to obtain the vital pollen. According to the invention, the cymbidium pollinium stored as per the method provided by the invention can be stored for 3-12 months without going mouldy; after unfreezing and rewetting, and measured by the 2,3,5-triphenyltetrazolium chloride staining method, the vitality of the pollen stored according to the method is high, the success rate of hand pollination is high, and the hybridization success rate is high.

The bacteria-free sodium bisulfate-andrographolide powder for injection is prepared with sodium bisulfate-andrographolide powder and through compounding aqua of 0.01-0.5 g / ml concentration and freeze drying. The preparation process of the bacteria-free sodium bisulfate-andrographolide powder for injection is also provided, and the preparation process includes compounding sodium bisulfate-andrographolide aqua of 0.01-0.5 g / ml concentration, filtering with microporous membrane and final freeze drying. The preparation process is simple and suitable for industrial production, and the preparation is stable and favorable to storing and transportation.

The invention opens the biological activity compound and its preparation: ferment with Sake yeast species and Gray streptavidin ball strain of bacteria respectively in liquid culture medium prorated mixed with rice bran to produce biological activity combination. Using rice bran as the main agent for the carrier, Sake yeast and gray streptavidin cocci as the main ferment can degrade the biological activity composite of natural organic pollutants. The advantage of using biological liquid fermentation and solid-state fermentation technology to cultivate Sake yeast and gray streptavidin cocci biological ferment is manufacture low-cost, high productivity, long period validity , strong stability, simple storage conditions, easier transportation , integrated composite compatibility of different strains, 2003-2005; flexible of environmental tolerance, high decomposition rate of industrial-grade solid domesticated combination of biological activity, solving the 2003-2005; weak, environmental tolerance and low decomposition rate fundamentally.

The invention relates to modified polyester resin as well as a preparation method and an application thereof. The modified polyester resin is prepared from the following raw materials: polyester resin, an acrylic monomer, an initiator, a neutralizer, a diluent and water, wherein the polyester resin is mainly prepared from polyhydric alcohol and polybasic acid; wherein the polybasic acid comprisesat least two kinds, at least one kind of polybasic acid is selected from fatty dimer acid with the carbon atom number of 30-60, and the mass percent of the fatty dimer acid with the carbon atom numberof 30-60 is 5%-35% on the basis of the total mass of the polybasic acid; the polyhydric alcohols comprise at least two kinds, and at least one kind of polyhydric alcohols contains a side group with the carbon atom number being 1-4. By adjusting the mass of the fatty dimer acid with the carbon atom number of 30-60, the ratio of long and short side groups in the modified polyester is adjusted and controlled, so that the hydrophilicity and hydrophobicity of the polyester resin are adjusted, the dispersity of the polyester resin in the water-based paint is improved, the dispersion efficiency of the pigment in the paint is improved, and the storage stability of the paint is improved.

The invention discloses a knitting and coating technology based silk fibroin tissue engineering scaffold and a preparation method and application of the knitting and coating technology based silk fibroin tissue engineering scaffold, a regenerated silk fibroin layer is adhered between the surface of the scaffold and a silk fiber by coating the silk fibroin tissue engineering scaffold with a regenerated silk fibroin formic acid solution or soaking the silk fibroin tissue engineering scaffold in the regenerated silk fibroin formic acid solution. A material of the silk fibroin tissue engineering scaffold is excellent in mechanical property, bio-safety and degradability, the preparation method is simple, the cost is low, and the preparation method is suitable for industrial volume production.

The invention discloses a method for preparing local brewer's yeast dry powder. The method comprises the following steps: separating and screening local brewer's yeast strains from self-produced medium temperature Daqu with the combination of conventional plate separation and a brewer's yeast fingerprint spectrum method, selecting a high-quality local brewer's yeast strain, and culturing a seed liquid in a yeast leach powder peptone glucose agar culture medium; inoculating the cultured seed liquid into a fermentation tank, carrying out amplification culture, collecting a local yeast fermentation liquid after culturing, centrifuging the local yeast fermentation liquid by using a high-speed freeze centrifuge, and collecting a local yeast concentrated mother liquid; putting a protector into the local yeast concentrated mother liquid, and carrying out freeze drying, thereby obtaining dry powder. The yeast count of the local brewer's yeast dry powder prepared according to the method is up to 7 billion / gram of dry powder, and the survival rate is 90% or higher; as the freeze drying protector has the main component of trehalose, the freeze drying protector has very stable chemical properties in addition to a magic protection function on microorganisms, and rotting and deterioration of fermented grains are not resulted.

The invention discloses a scale production technology of high-concentration liquid nitrobacteria. The scale production technology comprises the following steps of arranging soft fibers in an aerobic fermenter, promoting nitrobacterium adhesion and growth by a low-molecular organic carbon source-containing medium, regularly supplying a low-molecular organic carbon source and nitrogen source, regularly eluting nitrobacteria on the soft fibers, storing the collected liquid under the conditions of low-dissolved oxygen, low-pH value and seal environment, carrying out detection, and carrying out packaging by a package vessel. The high-concentration liquid nitrobacteria obtained by the scale production technology can grow exuberantly and have a large continuous-collection amount, simple preservation conditions and long preservation time. The scale production technology can realize productization and commercialization of nitrobacteria (liquid). In actual use, the nitrobacteria are directly spayed to water and thus after a certain time, bioremediation of culture water environment and landscape water environment can be realized.

The invention discloses a production method of an azotification nitragin. The production method comprises the following steps of arranging soft fibers in an aerobic fermenter, promoting rhizobium adhesion and growth by a low-molecular organic carbon source-containing medium, regularly supplying a low-molecular organic carbon source and nitrogen source, regularly eluting rhizobia on the soft fibers, storing the collected liquid under the conditions of low-dissolved oxygen, low-pH value and seal environment, carrying out detection, and carrying out packaging by a package vessel. The azotification nitragin obtained by the production method can grow exuberantly and has a large continuous-collection amount, simple preservation conditions and long preservation time. The production method can realize productization and commercialization of rhizobia (liquid). In actual use, the azotification nitragin is directly mixed with seeds and thus use is very convenient.

The invention discloses a kit capable of rapidly screening insecticides for controlling nilaparvata lugens and a method thereof. The kit comprises nine detection bottles and nine control bottles corresponding to the detection bottles, wherein nine kinds of insecticide films are covered on the inner walls and the bottom surfaces of nine detection bottles; each insecticide film contains one insecticide; the insecticides comprise nitenpyram, dinotefuran, thiamethoxam, clothianidin, chlorpyrifos, isoprocarb, cycloxaprid, fluridinitrile or ethofenprox. The kit is easy to operate, is easily popularized to farmers, can be used in the fields, does not need to be completed in the room, is capable of reducing time and detecting the sensibility on the insecticides of nilaparvata lugens in short time,and is simple in storage condition and long in shelf life.

The invention discloses a method for degrading high-polymeric procyanidine and belongs to the technical field of high-polymeric compound degradation. The method comprises the steps of utilizing quaternary ammonium salt type ionic liquid to conduct catalytic degradation on the high-polymeric procyanidine. When the quaternary ammonium salt type ionic liquid is utilized to conduct catalytic degradation on the high-polymeric procyanidine, the method has the advantages of being small in ionic liquid use amount, moderate in reaction conditions and high in catalytic activity. A low-polymeric procyanidine obtained through catalysis is high in content and complete in molecular structure, the quaternary ammonium salt type ionic liquid preparing process is simple, the cost is low, and the prepared quaternary ammonium salt type ionic liquid is long in storage time and is suitable for industrial large-scale production.

The invention discloses (NH4+)xMoS2 inserting compound and x is 0.2-3.0. The method includes the following steps: taking layer inserting to supramoly by using butyl lithium to gain layer inserting supramoly, making supramoly supernatant liquid, making (NH4+)xMoS2 layer inserting compound in ammonium chloride solution. The invention could be used as a good solid lubricant and could heating with alkali to gain single layer supramoly. It solves the storing problem of single layer of supramoly. It has crucial application value in mechanical, electric, aviation and spaceflight, chemical, etc.

The present invention discloses a novel gas-generating photoacoustic imaging contrast agent and a preparation method thereof, and belongs to the field of clinical medicine. The novel gas-generating photoacoustic imaging contrast agent comprises a solution, microspheres and gas, wherein the solution is a saturated ammonium bicarbonate solution and is wrapped inside the microspheres, the microspheres are liposome microspheres, and the components in the formula of the wall of the liposome microspheres comprise polyethylene glycol-distearoyl phosphatidyl ethanolamine, dipalmitoyl phosphatidyl choline and cholesterol. According to the present invention, the saturated ammonium bicarbonate solution is used, such that advantages of safety, efficiency and production cost reducing are provided; the contrast agent can be used for photoacoustic imaging of superficial tissues; the produced microspheres can be stored at the low temperature; the membrane material is non-toxic and does not have side effects; the microspheres have characteristics of small particle size, stable performance, and good imaging effect; and the hemodynamics of the whole body or any one system is not affected.

The invention discloses a method for processing collybia albuminosa by a vacuum low-temperature freeze drying technology, and belongs to the technical field of food processing. Fresh termitomyces albuminosus is subjected to primary treatment, then the vacuum low-temperature freeze-drying technology is adopted to prepare a dried product with the water content being 5% or below, and then grading selection (or sealed pre-packaging and temporary storage can be conducted firstly), inspection, sealed packaging, inspection, warehousing and the like are conducted. According to the termitomyces albuminosus dehydrated product processed by the method, all nutritional ingredients can be well retained, the original quality is maintained, the product is resistant to storage and convenient to transport,the product can obtain a very high rehydration rate, and the unique fresh taste and flavor of the product are reproduced.

The invention provides a gene detection kit and a gene detection method for predicating the risk of mineral deficiency in human bodies. The kit comprises one or more of a first reagent for detecting MT1A gene mutation sites rs11640851, a second reagent for detecting SLC30A8 gene mutation sites rs13266634, and a third reagent for detecting SLC30A3 gene mutation sites rs11126936. The gene detectionkit and the gene detection method have the advantages that real-time sampling and detecting for the risk of the mineral deficiency in the human bodies are realized, requirements of collecting and sampling conditions are low, storage conditions are simple, pain is avoided during sampling, and the detection process is short in time-consuming; the risk of the mineral deficiency in the human bodies ispredicated according to the gene detection method, so that predication accuracy is improved greatly, high detection accuracy is guaranteed, and influences of the joint effect of genetic factors and other factors on the risk of the mineral deficiency in the human bodies are evaluated effectively.

The invention discloses cheese-free long-shelf-life pizza wiredrawing sauce as well as a preparation method and application thereof. The wiredrawing sauce comprises the following components: malt syrup, oil, sorbitol, glycerol, modified starch, pullulan, locust bean gum, propylene glycol alginate, fibers, protein powder and an acidity regulator. The pizza wiredrawing sauce is in a semi-solid stateat normal temperature, is easy to smear on pizza cakes, becomes soft after being heated, has a similar wiredrawing phenomenon with mozzarella cheese during pulling, is lower in cost than cheese, onlyhas slight sweetness and strong processability, can be blended into pizza sauces with different flavors by matching with various food raw materials, and has a shelf life of 180 days.

The invention provides anti-rust lubricating spray for automobile spare parts. The spray comprises the following components in parts by weight: 3-5 parts of sodium hypochlorite, 0.1-0.3 part of sodiumbenzoate, 0.08-0.1 part of sodium molybdate, 5-7 parts of sodium hydroxide, 70-72 parts of water, 10-12 parts of base oil, 8-10 parts of an emulsifier, 1-3 parts of a co-emulsifier, 0.3-0.5 part of sodium carbonate, and 0.6-0.8 part of sodium chloride. The spray provided by the invention has the economical and reasonable components, a simple use method, good rust-removing and lubricating effects,no pungent odor of the components, and simple storage conditions.

The invention discloses a method for preparing primary pulp of Chinese toon, which belongs to the field of food technique. The inventive method is characterized by comprising the following steps: (1) collecting and choosing raw materials; (2) cleaning and dewatering; (3) pulping: pulverizing Chinese toon into 3-5mm; (4) packaging; (5) quick-freezing below -35 DEG C for 8 hours; (6) storing at -18 DEG C for a long period of time. The Chinese toon primary pulp of the invention, which is used as finely processed raw materials of Chinese toon, has the advantages of convenient storage and good taste.

The present invention relates to a safe and stable monosialotetrahexosylganglioside sodium preparation, which is an infusion, wherein per 1 ml of water for injection contains less than 5 g of the monosialotetrahexosylganglioside sodium. The monosialotetrahexosylganglioside sodium preparation has characteristics of high clarity, good main drug solubility, high stability, no safety risk during a use process, simple storage condition, easy long-term storage, convenient clinical use, secondary pollution avoiding, and substantially convent acute patient use.

The invention relates to an active biological recombiner and a preparation method thereof. Raw materials of the recombiner comprise the following components, by weight: 0.3-08% of sake yeast liquid, 0.3-08% of streptomyces griseus liquid, 70-90% of rice bran and the balance of water. A maltose medium is utilized to culture the sake yeast liquid and the streptomyces griseus liquid; then the raw materials are mixed and fermented to obtain the active biological recombiner. Compared with a prior art, the active biological recombiner of the invention is cultured by using rice bran as a main inocula carrier and sake yeast and streptomyces griseus as main starters, can degrade natural organic pollutants in the environment, has advantages of low manufacture cost, high production power, long period of validity, strong stability, simple storage conditions, convenience for transportation, composite compatibility of different bacteria, large pollution resistance span and large environment tolerance elasticity.

The invention relates to a microbial agent for humus organic matter degradation and a preparation method thereof. The microbial agent is prepared from 0.3-0.6% of actinomycetes liquid, 0.3-0.6% of white-rot mold liquid, 70-90% of rice bran and the balance water. The microbial agent has a special effect on quickly degrading lignin and cellulosic materials. Multiple microbial strains are mixed together, the diversity coexisting purpose of microorganisms is achieved, and the degrading range of the product to various humus organic matters can be enlarged. Diversity coexisting of the microbial strains is achieved, the microorganisms alternately cooperate at different stages and environments, the weather resistance of the product is enhanced, and degrading is accelerated.

The invention discloses an organic nickel ion battery electrolyte and an organic nickel ion battery, and belongs to the field of nickel ion batteries. The organic nickel ion battery comprises a positive electrode, a negative electrode, a diaphragm and electrolyte, the electrolyte comprises soluble nickel salt and an organic ether solvent. The invention provides a concept of an organic nickel ion battery for the first time, and discloses an organic electrolyte capable of actually working, and the organic nickel ion battery is successfully assembled. The battery has a voltage window as high as 1.7 V, and has good rate capability and cycle performance. Compared with a traditional lithium ion battery, the nickel ion battery does not have the problem that an electrode material is dissolved in electrolyte, and the service life of the battery is greatly prolonged. Meanwhile, the electrode plate and the electrolyte are simple to prepare, show excellent electrochemical performance and are expected to become a precedent of a next-generation secondary battery, and the technology certainly enriches a current energy source storage system and has great application value and prospect.

The invention provides a special efficient coagulant for strongly-acidic antimony-containing wastewater. The special efficient coagulant for the strongly-acidic antimony-containing wastewater is prepared by taking tetraethyl orthosilicate (TEOS) and reduced glutathione (GSH) as raw materials, sodium bicarbonate (NaHCO3) and hydrogen peroxide (H2O2) as activating agents and glutaraldehyde as a cross-linking agent. The special efficient coagulant provided by the invention solves the technical problems of high treatment cost and complex operation due to the fact that a pH value needs to be adjusted to 4-10 in advance when the antimony-containing wastewater is treated by using a coagulation method in the prior art.

The present invention relates to the technical field of biological control of agricultural pests, in particular to a method for artificial seed conservation and breeding of tobacco powder borer, which can provide insect sources in time, and then provide a large number of hosts for the breeding of natural enemy insects, which is helpful for exploring the adaptation of insects to the environment Mechanism; including the following steps: (1) equipment preparation; (2) laying the tobacco leaf layer; (3) selecting robust host larvae; (4) laying in layers: place the tobacco powder borer larvae evenly on the tobacco leaves in the plastic box, and place the density About 0.5 strips / cm 2 , Repeat steps (2) and (3) after each layer is full, until it is 1cm away from the box opening, spread tobacco leaves on the top layer, and close the box cover; (5) Store in the refrigerator; (6) Restore vitality; (7) Pupation: put the surviving larvae of Tobacillus moth into larvae cages and feed them until the larvae of Tobacillus melanogaster pupate normally to obtain pupae of Tobacillus moth; (8) Eclosion; (9) Egg mass collection and hatching; (10) Larval feeding.

The invention discloses a preservation method of trace divalent sulfide ions in a water sample. The preservation method comprises the following operating steps: collecting a water sample containing divalent sulfide ions, immediately adding sodium hydroxide into the water sample until the concentration of hydroxy radicals in the water sample reaches 0.1-0.2 mol / L, and leaving to stand for no more than 24 h' s preservation at the room temperature. The invention further discloses an automatic analysis method of trace divalent sulfide ions in the water sample; the automatic analysis method uses analytical instruments comprising a first low pressure pump, a second low pressure pump, an injection valve, a first mixer, a second mixer, a reactor, an optical flow-through cell, an optical detector and a computer processing system and further comprises the following steps: (1) determining a base line; (2) determining a spectrogram of divalent sulfide ions in a test sample; (3) drawing a standard work curve; (4) calculating the concentration of divalent sulfide ions to be measured in the test sample according to the peak height value of the spectrogram of the divalent sulfide ions and the regression equation of the working curve. According to the preservation method and the automatic analysis method of trace divalent sulfide ions in the water sample, provided by the invention, preservation operations of divalent sulfide ions in the water sample are simplified, and low-cost automatic analysis of divalent sulfide ions is also realized.

The invention discloses a method for rapidly detecting whether pH value of an ammonium nitrate solution in the preparation of emulsion explosive is qualified, and belongs to the technical field of explosive manufacturing. The method of the invention comprises the following steps: (1) an ammonium nitrate solution to be measured is fetched and divided into several parts, a dimethyl yellow indicatoris added into a first part, and a bromocresol green indicator is added into a second part; and (b) whether pH value of the ammonium nitrate solution to be measured is qualified is judged according todiscoloration situation of the solution to be measured; when the first part of solution to be measured turns orange and the second part of solution to be measured turns yellow-green, it shows that thesolution to be measured is qualified; otherwise, the solution to be measured is unqualified. According to the invention, whether pH value of the solution is within a reasonable range is convenientlyjudged. By the method, cost is reduced, work efficiency is further raised, and new thinking is provided for on-line monitoring of pH value.