4694results about How to "Extended storage time" patented technology

The invention relates to a high-capacity lithium-ion electrolyte, a battery and a preparation method of a battery, in particular to the high-capacity lithium-ion electrolyte and the battery using the high-capacity lithium-ion electrolyte and the preparation method of the battery. The electrolyte disclosed by the invention comprises lithium salt and non-aqueous organic solvent, and also consists of the following components in weight percent in terms of the total weight of the electrolyte: 0.5-7% of film-forming additive, 0-15% of flame-retardant additive, 2-10% of antiovefill additive, 0.01-2% of stabilizer and 0.01-1% of wetting agent; the electrolyte can enable the anode with high Ni content to work stably, and reduce the battery cost; the high-capacity lithium-ion battery can perform high ratio capacity and excellent safety and high temperature property and cyclic life fully due to the addition and synergetic functions of various functional additives.

The invention relates to an ultra-long-term freshness preserving system which can be applied to a refrigerator and installed in a refrigerating chamber of the refrigerator. The system comprises a freshness preserving box, an oxygen enriching membrane, a vacuum pump, a pressure sensor, a control plate and gas delivering pipes, wherein the oxygen enriching membrane is fixed in the freshness preserving box and connected with a gas sucking opening of the vacuum pump by the first gas delivering pipe penetrating through the wall of the freshness preserving box; an exhaust opening of the vacuum pump is led outside a box body for mounting the ultra-long-term freshness preserving system by the second gas delivering pipe; the pressure sensor is fixed to the first gas delivering pipe to sense the pressure in the freshness preserving box, and a signal line is connected with the control plate; and the control plate is connected with and controls the vacuum pump. The invention has ultrastrong freshness preserving function and can effectively improve the storing time of food stored in the refrigerator by being applied to the refrigerator; compared with the refrigeration of a common refrigerator, the invention is expected to be improved by 2-3 times. In addition, the invention can provide high-concentration oxygen for a room, has a plurality of advantages and practical values, and greatly improves the practicability and the healthy performance of the refrigerator.

The present invention provides for compositions and methods for the preservation of tissues and organs ex vivo and in situ. In addition, the present invention provides for kits that may be used in the preparation of the solutions of the present invention.

Characterization information related to time series data is obtained. A data storage rule is automatically determined based upon the characterization information. The rule defines at least one of a location for the storage of the time series data and a format for storage of the time series data. The rule is applied to the time series data and the time series data is stored according to the rule.

The invention relates to a manufacturing method of environment-friendly aluminum paste for a silicon solar battery back electric field. The aluminum paste comprises the following components and contents (weight percentage): 50 to 80 percent of aluminum conducting powder, 1 to 10 percent of crown glass binding agent, 0.05 to 5 percent of trivalent metal organic compound, 2 to 15 percent of organic resin, 10 to 25 percent of solvent and 2 to 10 percent of additive. The manufacturing method of the environment-friendly aluminum paste comprises the preparation of a glass binding agent, the preparation of an organic carrier, the formulation of aluminum paste stock and the processing technique of paste stock. The paste stock researched by the invention can not increase or generate substances which are harmful to human bodies and pollute the environment during the production and processing; the lead content of the paste stock is less than 100 ppm; and the contents of other hazardous substances such as Hg, Cd and the like can satisfy the environmental protection requirements. The aluminum past is applied to electrodes in the silicon solar battery back electric field; and the aluminum past has strong adhesion, good ohmic contact, and high conversion efficiency of a battery through the quick heat treatment in a continuous tunnel furnace.

The invention relates to an epoxy resin potting adhesive which consists of component A and component B. By weight portion, the component A consists of 90-130 portions of bisphenol A type epoxy resin, 240-320 portions of filling, 15-25 portions of thinner, 10-25 portions of toughener, 1-2.5 portions of defoamer and 0.8-2 portions of black pigment, and the component B consists of 60-130 portions of estolide and 1-3 portions of imidazole accelerator. The mixing proportion of the component A and the component B is (3-5):1. The invention also provides a preparation method of the epoxy resin potting adhesive. The epoxy resin potting adhesive provided by the invention has low cost and long resting period; after being mixed, the component A and the component B have low viscidity, good wetting quality, good heat resistance, good defoaming performance, good fluidity and long operating time and are solidified between 70 DEG C and 160 DEG C; a product after solidifying has bright surface, good mechanical performance and insulating performance and high glass transition temperature; and the quality of a potting component is stable.

The invention provides a preparation method of a silicon dioxide super-hydrophobic thin film. The preparation method comprises the following steps of: step one. preparing alkaline colloidal sol, namely mixing orthosilicate ester, a basic catalyst, a solvent and water to prepare the SiO2 alkaline colloidal sol; step two. adding hexamethyl disilazane to the SiO2 alkaline colloidal sol for reaction to obtain modified SiO colloidal sol; and step three. coating the modified SiO colloidal sol on the surface of a substrate, and drying to obtain the silicon dioxide super-hydrophobic thin film. The invention also provides a super-hydrophobic material. The silicon dioxide super-hydrophobic thin film prepared by the method has strong adhesion force with a substrate and a good dewatering effect; complicated equipment is not needed; the process is simple; the preparation cycle is shortened; the cost is saved; and the application range is wide.

The invention relates to a special release agent for concrete, which comprises the following materials in parts by weight: 80-90 parts of mineral substance oil, 1-5 parts of an emulgator, 1-5 parts of a defoaming agent, 0.01-0.4 part of a corrosion inhibitor, and 1-10 parts of fatty acid. The invention also relates to a preparation method for the release agent. The special release agent for concrete adopts two substances, namely, a fatty acid active substance and the emulgator, the adhesive strength of the surface of the concrete is reduced when surface saponification is formed, so that demoulding is easier and the surface is smooth and has no defects. The product prepared by the method can be stored at temperature of wide range, is convenient to store and can be stored for a long time, has small relative density, can be diluted for use by adding 2-6 times of water, and lowers the transportation cost of the release agent.

Disclosed is an inorganic medicine, particularly modified montmorillonite, method for preparing the same and use thereof. The said modified montmorillonite means that dioctahedron of natural montmorillonite is not destroyed and basic chemical composition for the same is not changed, and the microstructure stacked from dioctahedron layer is changed to decrease the thickness of stacking layer and to expose and increase the end face charge and the interlayer charge of montmorillonite, thereby resulting in its lower degree of C axis order. The present medical use of montmorillonite is thus significantly strengthened, particularly the reversal treatment effect on chronic atrophic gastritis. Also disclosed are a medicine composition containing modified montmorillonite and the reversal treatment effect of natural montmorillonite on chronic atrophic gastritis.

The invention relates to viral formulations and related pharmaceutical products for use in gene therapy and / or vaccine applications. Especially preferred viral formulations disclosed herein are liquid adenovirus formulations, which show improved stability when stored in about the 2-8° C. range while also being compatible with parenteral administration. These formulations comprise a buffer, a sugar, a salt, a divalent cation, a non-ionic detergent, as well as a free radical scavenger and / or a chelating agent to inhibit free radical oxidation.

Methods are described for using compositions containing platelet-rich plasma for the treatment of a variety of tissue lesions. Particularly, delivery of platelet-rich plasma to connective tissue is described. The described method and compositions have been shown to provide both pain relief and improved mobility in treatment of lateral epicondylitis.

Disclosed is a polycrystal high-nickel positive electrode material used for a lithium ion battery. The polycrystal high-nickel positive electrode material comprises a base material with a layered structure and a coating layer which is arranged outside the base material and has a spinel structure; the general formula of the base material is LiNi<1-x-y>Co<x>M<y>O<2>, wherein M is at least one kind of Mn and Al; the coating layer is lithium manganese oxide; the mass percentage of the total impurity lithium on the surface of the base material is less than 0.085% based on the total mass percentage of the base material; the preparation method for the positive electrode material comprises the following steps of weighing Ni<1-x-y>Co<x>M<y>(OH)<2>, and mixing with a lithium source, then carrying out thermal treatment, cooling, crushing and sieving to obtain the base material; measuring the content of the residual impurity Li<2>CO<3> and LiOH on the surface of the base material, adding into the metal Mn compound according to the measurement result, and carrying out low-temperature thermal treatment in an oxygen atmosphere to obtain the polycrystal high-nickel positive electrode material used for the lithium ion battery. The polycrystal high-nickel positive electrode material provided by the invention has the advantages of low material alkalinity, low inflatable degree, excellent processing property and cycling performance, and the like.

The invention relates to a water-soluble plant growth nutrient solution and a preparation method. In the plant growth nutrient solution, the content of small molecular weight water-soluble chitosan accounts for 8-120g / L, the sum of the content of nitrogen, phosphorus and potassium is larger than or equal to 60g / L, the sum of the content of medium trace elements accounts for 3-30g / L, the content of organic matter accounts for 30-200g / L, the content of plant growth regulator accounts for 0.01-5g / L, and the content of spread penetrating agents is larger than or equal to 0.2g / L; the small molecular weight water-soluble chitosan is obtained through the preparation steps that chitosan is firstly subjected to alkalization of strong base, then subjected to carboxyl chemical modification, degraded through strong oxidant after carboxyl chemical modification and finally neutralized through acid. The water-soluble plant growth nutrient solution integrates the effects of nutritional complement, growth promotion, antibiosis, virus resistance, stress tolerance and the like and has multiple functions and effects of improving soil, preventing hardening, increasing ground temperature, resisting to disease, being tolerant to stress, resisting to continuous cropping, supplementing nutrition rapidly, raising the yield and improving fruit quality and the like.

The invention provides a photoelectric sensor. The photoelectric sensor comprises a light-sensitive structure, an optical fiber guide plate positioned above the light-sensitive structure, and a backlight positioned below the light-sensitive structure, wherein the light-sensitive structure comprises a substrate and a plurality of pixel units positioned in the substrate; each pixel unit comprises a thin film transistor and a photodiode; the optical fiber guide plate comprises a plurality of optical fiber bundles arranged perpendicular to the direction of the substrate; the aperture of the optical fiber bundles is less than or equal to the width of the pixel units; and the light emitted from the backlight penetrates through the light-sensitive structure and the optical fiber guide plate. The optical fiber guide plate of the photoelectric sensor enables each pixel unit to be capable of more independently detecting the body surface characteristics in the corresponding area above the pixel unit, so that the binding character on reflection rays is improved and the resolution ratio of the photoelectric sensor is increased; and in addition, the optical fiber guide plate comprises the multiple optical fiber bundles arranged perpendicularly, so that the volume of the photoelectric sensor is smaller.

The invention provides a read-only security file storage system for a block chain. The system comprises: (1) a user server authentication protocol module used for executing a mutual authentication protocol between a user and a server via a self-certified path name; (2) a signature and encryption module used for correctly encrypting a transaction file; (3) a transaction file access verification module used for verifying the trustworthiness of the user; (4) a security file data generator; (5) a daemon of a read-only security file data server; and (6) a client, wherein a traditional path is converted into data and digital signature is carried out in a client environment, then the data is distributed to an arbitrary number of running servers, and the daemon receives the request of the client and returns the data; and (7) a postmark protocol module used for detecting the integrity of transaction data. By adoption of the storage system and the method provided by the invention, the storage time of a large file system is shortened, and a creator can complete cryptographic operation, data creation and decryption according to ciphertext in an environment without a network.

A particle / cell separation device is described which is particularly adapted for neutrophil depletion from a preparation of whole blood or platelet-rich plasma. Also described are blood and platelet rich plasma compositions produced using the device which are neutrophil-depleted.

The invention provides a high temperature self-repairing conductive silver adhesive. The high temperature self-repairing conductive silver adhesive is prepared from the following raw constituents by parts: 100 parts of epoxy resin, 10-30 parts of curing agent, 10-40 parts of epoxy diluent, 240-990 parts of silver pieces, 3-20 parts of coupling agent and 5-20 parts of self-repairing microcapsule; wherein the self-repairing microcapsule is composed of the following raw constituents by parts: 100 parts of epoxy resin, 8-20 parts of latent curing agent, 30-60 parts of diluents, 0.5-2.5 parts of emulsifying agent, 500-800 parts of nano silver wires, 5-16 parts of coupling agent, 60-120 parts of capsule wall material, 0.5-2 parts of antifoaming agent and 150-900 parts of deionized water. The invention also provides a preparation method of the high temperature self-repairing conductive silver adhesive. The high temperature self-repairing conductive silver adhesive has the positive effects that the repairing efficiency is high, the repairing effect is expanded on the basis of the original conductive network, crack-conductive network double repairing is realized, and the long-term using effect of the conductive adhesive is guaranteed, the cost is saved, and the reliability and service life of the conductive adhesive in high temperature working environment are improved.

The invention discloses a mint-releasing cigarette filter tip and a production technique thereof, relating to a cigarette filter tip and the production technique thereof. The mint-releasing cigarette filter tip contains tow material in which cotton thread infused with mint essence solution is wrapped; film-forming material solution is adsorbed at the outer layer of the cotton thread infused with mint essence solution; mint essence is added in the film-forming material solution; and the film-forming material includes natural macromolecular material and synthetic macromolecular material. The mint-releasing cigarette filter tip has the advantages that: 1, adopting membrane technology, mint is low in volatility at room temperature, so the mint can be effectively released when taking the cigarette;2, the production technique is simple; 3, the mint-releasing cigarette filter tip is not changed in performance; 4, the mint-releasing cigarette filter tip can be preserved for more than one year at room temperature; 5, the mint-releasing cigarette filter tip is low in cost.

The present invention relates to a medicine preparation with raw material comprising gen-seng, RADIX OPHIOPOGONIS and schizan drin and relates to the methods of preparing and quality control of the invention as well as relates to the quality control method of the raw material comprising gen-seng, radix ophiopogonis and schizan drin. The present invention comprises saponins content of gen-seng, amylase content of gen-seng, saponins content of radix ophiopogonis and neolignan content of schizan drin. Each unit dosage of preparation comprises Rg1 and Re for 0.08 mg-12 mg, polysaccharide of gen-seng for 1mg-460mg, general saponins for 5 mg-800 mg and Schisandrin for 0.036mg-6mg. a medicine functioning as cooperation can be or can not be added in the present invention which can be any acceptable medicine preparation type comprising oral taking solid preparation, oral taking semi-solid preparation, oral taking liquid preparation and injection. The present invention also provides the quality control method of gen-seng, RADIX OPHIOPOGONIS and schizan drin as well as the quality control method of the present invention.

A receptacle for a catheter, has a storage space (3) designed to receive a catheter, and an opening (4) connected to the storage space, through which opening a catheter in its longitudinal direction is pushable into and pullable out of the storage space (3). The receptacle (1) has a holding device (7) arranged in the storage space (3), which holding device is arranged to keep a catheter inserted into the storage space (3) in a spiral-shaped path under mutual separation of the different spiral turns of the spiral-shaped path so that the catheter is prevented from coming into contact with itself along the spiral-shaped path.

The invention provides a cyclopropene preservative, which is characterized by containing 0.1 to 99 mass percent of cyclopropene coating material powder, 0.1 to 98 mass percent of compound, composition or material releasing water molecules, and 0 to 98 mass percent of one or more assistants. The invention also provides the preparation method and packaging method of the cyclopropene preservative. The preservative is convenient for use and has a remarkable preservation effect.

The invention relates to wet process refractory mortar which comprises the following raw materials by weight: 25-50 parts of white fused alumina powder with the granularity of not more than 180 meshes, 40-65 parts of the white fused alumina powder with the granularity of not more than 320 meshes, 1-5 parts of phosphate binder, 1-4 parts of plasticizer, 1-3 parts of water retention agent, 0.1-1 part of resin type preservative, 0.05-0.5 part of preservative agent and 0-10 parts of Cr2O3 powder with the granularity of not more than 320 meshes, the wet process refractory mortar is prepared by uniformly stirring the raw materials, adding 12-18 parts of water, continuously uniformly stirring, and then loading into a plastic bag for sealing and preserving, and the preservation period is a year and a half to two years.

Compositions which include platelet-rich plasma and fibroblast cells are disclosed for the treatment of skin. In particular, administration of platelet-rich plasma in a dermatologically acceptable carrier repeatedly to skin is disclosed to reduce the appearance of wrinkles.

The invention relates to a centrifugal casting roller coating and a preparation method thereof. The centrifugal casting roller coating is characterized by comprising the following compositions in percentage by mass: 12 to 15 percent of zircon powder, 8 to 10 percent of quartz powder, 8 to 10 percent of bauxite, 0.3 to 0.6 percent of silica sol, 0.1 to 0.4 percent of sodium carboxymethyl cellulose, 0.15 to 0.35 percent of alkyl benzene sodium sulfonate, 0.15 to 0.35 percent of sodium sulfate, 0 to 0.02 percent of n-butyl alcohol, 0 to 0.02 percent of n-octyl alcohol, 0.10 to 0.18 percent of fatty alcohol polyethenoxy ether, and the balance being water, wherein the mass percentage of the zircon powder + the quartz powder + the bauxite is more than or equal to 30 percent and less than or equal to 35 percent, the mass percentage of the alkyl benzene sodium sulfonate + the sodium sulfate is more than or equal to 0.35 percent and less than or equal to 0.55 percent, and the mass percentage of the n-butyl alcohol + the n-octyl alcohol is more than or equal to 0.02 percent and less than or equal to 0.03 percent. The coating is used for centrifugal casting roller production after stirring, grinding and sieving, and has good use effect.

A refrigerator comprises: a refrigerator body having a cooling chamber; a case provided in the cooling chamber; a drawer having a handle, and accommodated in the case in a withdrawable manner; a sealing member provided at a contact region between the case and the drawer; a sealed state maintaining device having a locking portion provided at the case, and having a fixed arm disposed in the drawer, the fixed arm rotatable to a sealing position for sealing the drawer by compressing the sealing member by being coupled to the locking portion when the drawer is accommodated in the case, and a releasing position for releasing the sealed state by being separated from the locking portion; and a manipulation switch provided at the drawer, and configured to manipulate the fixed arm to move between the sealing position and the releasing position. Under such configuration, components which can operate can be accommodated in the drawer. This can prevent the occurrence of restrictions due to exposure of the components to outside.

The invention discloses a thermal shrinkage biaxially oriented film which is composed of a surface layer, a sandwich layer and an inner layer, wherein the thickness of the surface layer is 0.5-1.5 micrometers, the thickness of the sandwich layer is 19-22 micrometers, the thickness of the inner layer is 0.5-1.5 micrometers, and the total thickness of the three layers is 20-23 micrometers. The surface layer comprises the following components in percentage by weight: 97-99% of acrylic resin copolymer, 0.5-2% of lubricant and 0.1-1% of antiblocking agent. The sandwich layer comprises 80-93% of acrylic resin homopolymer, 0.3-3% of anti-static agent, 0.1-0.5% of crystal regulator, 1-2% of surfactant, 5-18% of stiffening agent and 0.5-1% of lubricant. The inner layer comprises 97-99% of acrylic resin copolymer, 0.5-2% of lubricant and 0.1-1% of antiblocking agent. The film has a stable thermal shrinkage factor which slightly changes as the storage time changes.

The invention discloses a compound water soluble fertilizer used for citrus crops, a preparation method and an application method. The compound water soluble fertilizer used for citrus crops is mainly used in plant nutrition field, and comprises the following components: an amino acid raw material, macroelements P and K, secondary elements Mg and Ca, trace elements Fe, Mn, Zn, B, Mo and Cu, a beneficial element Si, an auxiliary agent, a PH conditioning agent and an aqueous solution. The preparation method is characterized in that composite amino acid chelates Mn, Fe, Cu, Mg, Ca and Zn at normal temperature of 15-35 DEG C and prepares the water soluble fertilizer with six metallic elements, the reasonable fertilizing can be carried out at different growth period of the crops, the balance supplement of a plurality of nutrient elements required by citrus crops can be realized, and the output and quality of the citrus crops can be increased.

The invention discloses modified acrylic resin for a weather-resistant coating and a preparation method for the same. Fluorine atoms and silicon atoms are introduced in acrylic resin simultaneously, thus improving the comprehensive performances of water resistance, pollution resistance, solvent resistance, weather resistance and the like, making up the defects of silicon resin, fluorine resin and acrylic resin used as coatings independently, and completely enabling the modified resin to be used as a protective coating applied to reinforced concrete and building external walls in the conditions of the atrocious weathers of exposure, cold wave, acid, alkali, salt and the like. The preparation method disclosed by the invention is simple in process, low in equipment requirement and abundant and easily available in raw materials, and has no need of pre-emulsification or a high-speed shearing machine; and because silicon resin is synthesised at first, the gels caused by the hydrolysis of a silane coupling agent can be effectively suppressed, the reaction conversion rate is high, the amount of the gels is low, the emulsion stability is good, and the reaction process is easy to control. The preparation method is especially suitable for industrialized production.