83results about How to "Guaranteed long-term storage" patented technology

The invention discloses a medical data platform based on the block chain technology. The medical data platform comprises a terminal, a server module, a data storage module and a block chain network. The terminal exchanges data with the data storage module and the block chain network through the server module. The server module comprises a communication server, an intermediate certificate server and a root certificate server and is used for processing data interaction between the modules and allocating certificates to the block chain network nodes. The data storage module comprises a medical information system and a distributed image database and is used for data storage. The block chain network comprises multiple institutional accounting nodes and multiple consensus nodes. The accounting nodes perform mutual data synchronization. The medical data platform based on the block chain technology has the advantages that the existing medical information is stored in the block chain shared account book so that all the medical institutions can share the medical information related to the patients, and the privacy protection function of the medical data can be realized by using the encryption algorithm and thus sharing of the medical data can be facilitated and the security of the sensitive information can also be protected.

The invention relates to the field of biology, in particular to MSC (mesenchymal stem cell) injection as well as a preparation and an application thereof. The injection comprises MSCs and a cell cryopreservation solution, wherein the cryopreservation solution comprises components in percentage by volume as follows: 25%-70% of an electrolyte balance solution, 5%-20% of clinical-grade DMSO (dimethyl sulfoxide), 1%-50% of 20% human serum albumin, 1%-10% of hydroxyethyl starch 130/0.4 and 5%-20% of triphosadenine-disodium magnesium chloride freeze-drying powder. The injection is free of animal serum, has clear ingredients and good cell cryopreservation effect and is safe and controllable, long-term storage and long-distance transport are facilitated, the survival rate of cells after recovery is higher than 95%, the vitality is high, and the injection can effectively relieve injury and inflammation symptoms of lesion tissue of lungs and promote tissue regeneration of the lungs, so that acute lung injury can be fundamentally and comprehensively treated.

The invention discloses WSN-based underground safety monitoring system gateway equipment, which comprises a microprocessor unit, a memory unit, a WSN radio-frequency transceiving unit, an Ethernet interface unit, an RFID (radio-frequency identification) unit, a buzzer early warning unit, a voice communication unit and a human-machine interface unit, wherein the microprocessor unit is a gateway core and implements data processing and task scheduling control according to a certain algorithm; the WSN radio-frequency transceiving unit finishes data transceiving of each node of a wireless sensor network; the Ethernet interface unit supplies an interface for communication between the gateway and an Internet network; the RFID unit provides services for underground personnel attendance check and fuzzy positioning; and the buzzer early warning unit and the voice communication unit realize gateway local alarm and IP voice call service between the gateway and a remote server under emergency. Thegateway equipment has the advantages of small volume, light weight and strong function, and can reliably realize the protocol conversion function of a heterogeneous network, provide multiple practical auxiliary services and provide overall guarantee for underground safe production.

The invention relates to a brewing process of rice wine. The brewing process comprises the following steps: adding a herbal distiller's yeast obtained through mixed fermentation of the herbal raw materials (including herba gerberae piloselloidis, herbal Indigofera bungeana Walp., folium betulae luminiferae, caulis et folium fici tikouae, leaves of Rubus hirsutus Thunb.[R. thunbergii Sieb. et Zucc.], leaves of Cassia occidentalis L., herba polygoni salicifolii, herba melastomatis dodecandri, herba et radix paederiae scandentis, leaves of actinidia fulvicoma hance, leaves of actinidia eriantha benth, caulis et folium gaultheriae yunnanensis, leaves of Lyonia ovalifolia (Wall.) Drude, and leaves of Juglans regia L.), and rice bran, sticky rice flour and wheat bran into rice after soaking, steaming and cooling, and carrying out uniformly mixing; and saccharifying the rice uniformly mixed with the herbal distiller's yeast, carrying out fermentation, and carrying out distilling, thus completing the brewing. With the adoption of the brewing process, the problems that the Hmong's rice wine is insufficient and instable in aroma, and poor in mouthfeel are solved, the comprehensive quality including the aroma and the mouthfeel of the brewed rice wine is greatly promoted, the rice wine has no acidic odor or deterioration after long-term storage, and the longer time the rice wine is stored for, the mellower the rice wine is.

The invention discloses a biomedical mouse tail collagen extraction method. A process combining an acid method with an enzymic method is adopted, a constant low-temperature aseptic environment is kept, a salt solution at the same concentration is used for twice salting out and centrifugation, so that purification steps are simplified. Adopted acid is a low-concentration acid solution, and citric acid is used for purification instead of acetic acid. From raw material extraction to sample generation, vacuum freeze drying is performed for many times, collagen micro powder with water content of lower than 3 percent is obtained by further treatment, and is finally sterilized and aseptically packaged, and the purity of a collagen powder finished product is over 98 percent. According to the method, the immunogenicity of the collagen is reduced, yield and biocompatibility are improved, the cost is reduced, the method is applied to a biomedical material, and a peculiar triple helix structure of the obtained collagen can be completely preserved.

The invention relates to stable enalapril maleate capsules and a preparation method thereof, and belongs to the technical field of medicine. Enalapril maleate, lactose monohydrate, microcrystalline cellulose, startch, hydroxypropyl methyl cellulose, sodium alga acid, poloxamer 407, polyethylene glycol 4000 and L-arginine are preferably used as medical components of the stable enalapril maleate capsules, the degradation speed of the enalapril maleate is remarkably decreased through the mutual synergistic effect, the stability of the enalapril maleate capsules is greatly improved, and it is ensured that clinical medicine is safe, effective and capable of being stored for a long time.

The invention discloses an integrated fast inflatable air bag device for a ship, which is used in a cabin of the ship and comprises a fixing frame arranged in the cabin, wherein a high-pressure gas cylinder and an air bag are arranged on the fixing frame; the high-pressure gas cylinder is communicated with the air bag through a gas transmission pipe; and the integrated fast inflatable air bag device has a compact structure, small occupied space, convenient operation and the like. The design pressure of the device is larger than the external water pressure so as to ensure that the air bag is not extruded and deformed due to the external water pressure. After the device is started, the air bag is fully expanded to occupy part of the space inside the cabin, so that not only is the water inletamount inside the cabin reduced, but also the inflated air bag has vertical upward buoyancy to the top of the cabin, and the ship body inclination and sinking process caused by the fact that the intake water quantity inside the cabin exceeds the bearing capacity is slowed down.

The invention relates to a food storage control method, device and equipment in a refrigerator and a refrigerator system. The method comprises the steps that the temperature of a compartment of the refrigerator is controlled at a first supercooling temperature for a first preset duration, the temperature of the compartment of the refrigerator is controlled at a second supercooling temperature fora second preset duration, the temperature of the compartment of the refrigerator is controlled at a first freezing temperature for a third preset duration, and the temperature of the compartment of the refrigerator is maintained at a second freezing temperature. It is ensured that food is in a supercooling state through temperature control and then frozen, so that damage to cells in the food is reduced; and finally, the temperature of the compartment of the refrigerator is maintained at the second freezing temperature higher than the first freezing temperature, and the food is conveniently cutafter being taken out on the premise of ensuring long-term storage of the food. In addition, through refrigeration of a refrigerant in a refrigerator evaporator, air blowing is not needed, adverse effects such as air drying and freezing burning caused by cold air on the food are avoided, the food quality is guaranteed, and the food storage effect of the refrigerator is improved.

The invention relates to a preparation method of rivaroxaban tablets, and belongs to the technical field of drug preparation. The pharmaceutical composition comprises a tablet core and a drug-containing coating layer; the tablet core includes a blank tablet core or a tablet core containing low dose of active substance (I); the drug-containing coating layer comprises 1-30 mg of an active substanceRivaroxaban, 0.5-8 mg of a film-forming polymer, 0-8 mg of a plasticizer and 0-8 mg of a wetting agent; the release of the pharmaceutical active substance is independent to the disintegration speed orhardness of the tablets, and the drug has the characteristic of rapid release in a polymer membrane, so that after the tablets are taken, the drug can be rapidly dissolved and absorbed. The rivaroxaban tablets adopt a tablet core coating for application and are prepared by a way of coating an outer layer with a thin film, the preparation process is simple, and the safe and effective and long-termstorage of clinical medication is advantageously ensured.

The invention belongs to the technical field of materials, and relates to a polyvinyl alcohol-coated surface enhanced Raman scattering substrate and a preparation method thereof. The preparation method comprises the following steps of: (1) preparing a micro-nano gold/silver film on a surface; (2) performing annealing under a high-temperature condition to convert the gold/silver film into annealedgold/silver nanoparticles; and (3) dissolving polyvinyl alcohol to prepare a polyvinyl alcohol solution, and carrying out property coating modification on the annealed gold/silver nanoparticles by using the polyvinyl alcohol solution. The polyvinyl alcohol film provided by the invention can quench molecular fluorescence, can greatly improve the detection limit of a SERS substrate prepared by a physical annealing method, reduces direct contact between molecules and the gold/silver nano substrate, reduces detection substance residues, and ensures repeated utilization of the substrate; and the preparation method is simple in process and extremely low in cost.

The invention discloses a method for producing a carbon-free and thermosensitive body paper by using large proportion of chemithermomechanical pulp, comprising the working procedures such as sizing, discharging pulp by a pulp flowing box, dewatering by a mesh part, dewatering in a squeezing way, previously drying, coating, carrying out post drying, carrying out press polish, and reeling. The raw materials used by the sizing working procedure are chemithermomechanical pulp and chemical pulp according to the proportion of (6-7.5):(3-3.5), enabling the chemithermomechanical pulp and the chemical pulp subjected to the sizing working procedure to be respectively flowed and transported to different parts of a pulp discharge working procedure of the pulp flowing box, the pulp flowing box in the pulp flowing box sizing working procedure is a three-layer pulp flowing box, the chemical pulp of the sizing working procedure is evenly distributed into an upper-layer pulp distribution system and a lower-layer pulp distribution system of the pulp flowing box, the chemithermomechanical pulp flows to a middle-layer pulp distribution system of the pulp flowing box, and the three-layer pulp flowing out of the pulp flowing box is dewatered by the mesh part. According to the method, not only can the fineness and the smoothness of the surface of a finished paper be guaranteed, but also the paper can not be faded and aged after being stored for a long term.

The invention relates to a control method, device and equipment for storing food in a refrigerator chamber and a refrigerator system. The method comprises the steps that the temperature in a sealing drawer of the refrigerator is controlled to maintain at the precooling temperature for preset precooling duration, the temperature in the sealing drawer of the refrigerator is controlled to maintain atthe overcooling temperature for preset overcooling duration, the temperature in the sealing drawer of the refrigerator is controlled to maintain at the first freezing temperature for preset first freezing duration, and the temperature in the sealing drawer of the refrigerator is maintained as the second freezing temperature. By means of temperature control, it is ensured that the food is frozen after entering the overcooling state, damage to internal cells of the food is reduced, finally, the temperature of the chamber of the refrigerator is maintained at the second freezing temperature higher than the first freezing temperature, and on the premise of storing the food for a long term, it is ensured that the food can be cut conveniently after being taken out. In addition, the exterior of the sealing drawer is refrigerated, the adverse effect that in the refrigerating process, the food in the sealing drawer is dried in air, and freezer burn is generated can be avoided, the quality of the food is ensured, and the food storing effect of the refrigerator is improved.

The invention relates to the technical field of preparation of carbon black slurry and discloses a method for preparing slurry from carbon black through dry treatment. The method comprises the following steps: performing surface grafting treatment on crushed and ground carbon black in the presence of a modifier, thereby changing the hydrophobic carbon black to hydrophilic one; and adding distilledwater into the carbon black subjected to surface grafting treatment for mixing, and performing emulsification treatment on a carbon black solution obtained by mixing in a shearing machine, thereby finally forming uniform carbon black slurry. According to the preparation method, carbon black can be well dispersed into rubber, and shows characteristics of nanometer materials; and moreover, the carbon black slurry prepared by the method disclosed by the invention can serve as black water-soluble environmental-friendly carbon black slurry for various dyeing, and can be stored without any precipitate for a long time.

The invention relates to a dual-mode rapid detection system for moisture in dry powder for fruits and vegetables, which is characterized in that: a power supply is connected to a microwave dielectricoscillator; the microwave dielectric oscillator is connected to a microwave signal amplifier; a microwave signal amplifier is connected to a material room; one end of a microwave signal receiver is connected to the material room, and the other end is connected to a detector; the detector is connected to an operational amplifier; the operational amplifier is connected to a voltmeter; the voltmeteris connected to a control unit; a volume-weight instrument is mounted at the bottom of the material room; and the volume-weight instrument is connected to the control unit through a data line. The invention also relates to a dual-mode rapid detection method for moisture in dry powder for fruits and vegetables, which comprises the following steps: 1) performing pretreatment of the material; 2) adding fruit and vegetable powder; 3) collecting signals; 4) processing signals; and 5) completing the detection. The invention has scientific and reasonable design and adopts the dual-mode detection modeof microwave detection and bulk density detection to improve the accuracy of moisture detection, thereby ensuring long-term storage and quality of the fruit and vegetable powder.

The invention discloses a Yao medicine composition for treatment of exogenous fever. The Yao medicine composition comprises the following raw materials by weight: 45-150 parts of dried rattan of Mappianthus iodoides, 45-150 parts of uncaria rhynchophylla, 60-200 parts of Semiliquidambar cathayensis, 45-150 parts of Clerodendrum bungei, 45-150 parts of Tinospora sinensis, 60-200 parts of Nauclea officinalis, 45-150 parts of honeysuckle stem, 45-150 parts of Sabia fasciculata Lecomte, 15-80 parts of garden balsam stem, 15-80 parts of Houttuynia cordata, 45-150 parts of Cudrania cochinchinensis, 60-200 parts of Alangium platanifolium, 60-200 parts of radix bupleuri, 15-80 parts of fructus amomi, 45-150 parts of ginger in preserved black bean, and 15-80 parts of monkshoodvine root-bark. The invention also discloses a preparation method of the Yao medicine composition. The formula has precise and appropriate compatibility of drugs, is based on evil-eliminating drugs, also gives consideration to wind-dispelling drugs, has the efficacy of warm channel and expelling cold, dispelling wind and dredging collaterals, can dispel cold and eliminate evil without harming the body resistance, and fully reflects that the idea that wind-dispelling drugs are weak and evil-eliminating drugs are strong and can balance gain and loss in Yao medicine. By combining warm water bath, the Yao medicine composition has better cold dispelling and fever abatement effects, is free of toxic and side effect, and makes up for the disadvantages of orally taken traditional Chinese medicine.

The invention discloses a multi-triggering source low-power dissipation self-locking electronic switch, and uses multiple triggering sources to realize power supply control of electric equipment. The electronic switch comprises a first-category triggering source junction circuit formed by a triode and a second-category triggering source junction circuit formed by a triggering source resistor and an optical coupler; if being common-grounded, the triggering sources and the electric equipment are accessed to the first-category circuit; if being not common-grounded, the triggering sources and the electric equipment are accessed to the second-category circuit; a source electrode of a MOS transistor is connected to a collector electrode of a self-locking control triode, a grid electrode of the MOS transistor is connected to the collector electrode of the self-locking control triode through a resistor, and an output end of the first-category circuit and an output end of the second-category circuit are connected to the collector electrode of the self-locking control triode; and both the first-category triggering source junction circuit and second-category triggering source junction circuit have grounding ends, and an emitting electrode of the self-locking control triode is connected to the ground. The circuits can realize flexible control of the multiple triggering sources and low power dissipation.

The invention belongs to the technical field of novel materials, particularly relates to a two-component latent metal carbene catalytic system, further relates to a dicyclopentadiene polymerization bi-material system, and further relates to a polydicyclopentadiene composite material. The two-component latent metal carbene catalytic system is composed of a mixture of metal carbene and trialkyl phosphine and halogenated hydrocarbon. The metal carbene is one or more of ruthenium metal carbene, molybdenum metal carbene and ruthenium metal carbene; the structural general formula of the trialkylphosphine is as shown in the specification: the structural general formula of the halogenated hydrocarbon is XCH2R, wherein X is one of chlorine, bromine and iodine, and R is any one of vinyl, substitutedvinyl, phenyl, substituted phenyl, naphthyl, substituted naphthyl and acetonitrile. When the two-component latent metal carbene catalytic system is applied to a double-material reaction system of a reaction injection molding process, the storage time of the double-material system can be prolonged, and the two-component latent metal carbene catalytic system is suitable for industrial catalytic synthesis of PDCPD.

The invention discloses antibacterial ink and a preparation method thereof, the antibacterial ink comprises the following raw materials in parts by weight: 1-5 parts of ink carbon black, 1-2 parts ofa wetting agent, 3-7 parts of a dispersing agent, 4-10 parts of bone glue powder, 320-540 parts of water and 0.3-0.5 part of a nano inorganic antibacterial agent, and the invention relates to the technical field of pigments. The invention discloses antibacterial ink and a preparation method thereof. The nano inorganic antibacterial agent is added; the antibacterial agent has the advantages that the safety is high; the ink has the advantages of good chemical stability, long-acting antibiosis, bacteriostasis, realization of efficient broad-spectrum killing and removal of Staphylococcus aureus, Escherichia coli and other bacteria, guaranteeing of no deterioration of ink products after long-term storage, no mildew of paintings after long-term storage, harmlessness to human bodies, no pollutionto the environment, simplicity and feasibility of the preparation method, and convenience in promotion.

He invention discloses a nauclea officinalis oral liquid which comprises the material components of a nauclea officinalis extractum concentrated solution, saccharose, poria cocos and astragalus membranaceus by weight ratio. The nauclea officinalisoral liquid does not contain other additives or preservatives except saccharose, the cold property of the nauclea officinalis extractum concentrated solution is balanced by adding reasonable dosage of the poria cocos and the astragalus membranaceus, the spleen and the stomach of a patient are further protected, the diarrhea phenomenon caused by coldness of the commonly seen heat-clearing and detoxicating drug is avoided, and in addition, the heat-clearing and detoxicating effects of the nauclea officinalis oral liquid added with the poria cocos and the astragalus membranaceus are better than those of the nauclea officinalis oral liquid with no poria cocos or astragalus membranaceus under the condition that the dosages of the nauclea officinalis extractum concentrated solution and the saccharose are the same.

The invention discloses a fermentation and enzymolysis preparation method of leaf-shaped fish small peptides, which comprises the following steps: crushing leaf-shaped fish, degreasing and hydrolyzing to obtain a hydrolysate; carrying out enzymolysis on the hydrolysate by using a compound enzyme to obtain an enzymatic hydrolysate; fermenting the enzymatic hydrolysate with microorganisms to obtain fermentation liquor; filtering the fermentation liquid, and collecting supernatant to obtain a crude peptide liquid; then repeating the processes of enzymolysis, fermentation and filtration on the remaining impurities to obtain a crude peptide liquid again; purifying the crude peptide liquids obtained twice by using a G-15 sephadex column, separating by using gel chromatography to obtain a small peptide liquid containing aspartic acid-arginine-histidine-lysine as an amino acid fragment, and drying and dehumidifying the small peptide liquid to obtain the small peptides of leaf-shaped fish. According to the method provided by the invention, the problems that the small peptide is bitter and easy to damp are solved, and meanwhile, the obtained small peptide is used in nursery pig feed, so that the intestinal development and growth performance of nursery pigs is improved, heat stress in summer and cold stress in winter are relieved, the breeding benefit is improved, and a high-quality protein source is provided for pig raising production.