1117results about How to "Long shelf life" patented technology

The invention discloses a water soluble full-alloy metal grinding fluid which belongs to the technical field of metal grinding fluids. The metal grinding fluid is prepared from the following components in percentage by weight: 5-40wt% of an antirust agent, 1-20wt% of a cleaning agent, 0.1-10wt% of a lubricating corrosion inhibitor, 1-20wt% of a penetrant, 1-20wt% of a solubilizer, 10-40wt% of a PH adjustor, 0.5-5wt% of a defoamer and the balance of water. Based on the total weight of the water soluble full-alloy metal grinding fluid, the pH value of the water soluble full-alloy metal grinding fluid is 7-11. The lubricating corrosion inhibitor is long chain nitrogen heterocyclic ring organic ester. The water soluble full-alloy metal grinding fluid has excellent lubricating, rust-preventing, cleaning and cooling performances and can be widely applied to grinding of ferrous metals and nonferrous metals.

The present invention includes methods and devices that detect target molecules in a biological sample. The sample analysis device of the present invention includes nanoparticles. In one embodiment, the nanoparticles are directly immobilized on the surface of the sample analysis device. In another embodiment, the nanoparticles are indirectly immobilized on the surface of the sample analysis device by incorporating them in appropriate media and immobilizing the nanoparticles within a matrix.

A demineralized bone matrix (DBM) or other matrix composition is provided that has been stabilized by lowering the pH of the composition, reducing the water content, adding water substitutes, and/or increasing the amount of deuterated water present in the composition in order to reduce the activity of endogenous degrading enzymes such as proteases. A hydrated form of a stabilized DBM composition may be stable up to a year at room temperature at acidic pH. The acidified DBM compositions may be further stabilized by the addition of a stabilizing agent such as deuterated water, water substitutes, polymers, protease inhibitors, glycerol, hydrogels, etc. The invention also provides methods of preparing, testing, and using the inventive stabilized osteodinductive matrix compositions.

Methods, compositions, and articles of manufacture for preparing frozen beverages are described. The methods and articles generally include first and/or second frozen pellets. Upon mixing the frozen pellets with an appropriate liquid for a sufficient time, a frozen beverage is obtained. Articles of manufacture including frozen pellets, as well as optional objects such as straws, spoons, and mixing containers are disclosed. Methods, compositions, and articles of manufacture for preparing frozen pellets are also described.

The invention provides a preparation method and application technique of Chinese herbal medicine preservative for vegetables, especially a preserving method of stalk vegetables such as wormwood at normal-temperature condition, comprising a concrete composition of Chinese herbal medicine preservative and application method. The Chinese herbal medicine preservative comprises a Chinese herbal medicine extracting solution, a film-forming agent and a solvent. The growth of the microbe on the surface of the stalk vegetables such as wormwood is inhibited using the sterilization and antiseptic action of the Chinese herbal medicine extracting solution, at the same time a layer of film is formed on the surface of the vegetable using the film-forming agent and the vegetables respiration and other physiological action are reduced, therefore the shelf life can be prolonged and the storage period of stalk vegetables such as wormwood can be prolonged to above two times than the prior technique.

The invention discloses a preparation method of a phenolated lignin amine cationic emulsifier. The method comprises the following steps: heating an alkaline liquid of alkali lignin and a proper amount of phenol to 70-100 DEG C and reacting for 1-3h, then, acidizing a reaction liquid to realize pH=2.5 with 1 mol/L hydrochloric acid, performing suction filtration, washing with hot water at 80-100 DEG C until free phenol disappears completely, thus obtaining phenolated lignin; dissolving the phenolated lignin in a NaOH liquid with mass fraction of 10% and regulating pH to 10.5-12, then, further adding a mixed liquid of a certain amount of small molecule polyamine and 37% formaldehyde, reacting for 3-5h at 90 DEG C, then, introducing amine methyl hydrophilic groups into the phenolated lignin, thereby obtaining the cationic emulsifier which has positive electricity under the condition of diluted acid. In comparison with the cationic emulsifier modified by the lignin which is not phenolated, the emulsifier provided by the invention has higher surface activity, stronger Zeta potential and stronger emulsion stability, and can be widely used in the fields of road engineering, building waterproofing, material corrosion prevention, water conservancy construction, and so on.

The invention relates to a continuous processing method of printed color coated steel plates at normal temperature, which comprises the following steps: A) uncoiling and butting; B) degreasing and cleaning; C) carrying out passivation treatment; D) coating a primer layer; E) printing at the normal temperature; and F) coating a finish coat layer. The method can lead patterns of the color coated steel plates to be the same with those of coating layers of the steel plates, and even realize longer anti-aging performance and longer shelf life; simultaneously, the printing does not need to bake during the production process and only needs to pass through a curing furnace twice, the production is more convenient and reasonable, and the production cost is saved.

The invention discloses a human umbilical cord mesenchymal stem cell (HUMSC) anti-hepatic fibrosis injection and a preparation method thereof. The injection is composed of 10%-50% of human albumin stock solution, 49.5%-89.5% of acetated Ringer's solution and 0.5% of heparin calcium, wherein, the concentration of the human albumin stock solution is 10%, and 1ml of the injection contains 6*10<5>-7*10<5> HUMSCs. The preparation method comprises the following steps: providing an MSC preserving fluid and pre-cooling the MSC preserving fluid for later use, wherein, the MSC preserving fluid comprises the human albumin stock solution, the Acetated Ringer's solution and the heparin calcium; providing the HUMSCs and adding the HUMSCs to the MSC preserving fluid; and adjusting the number of the HUMSCs added to the MSC preserving fluid to be 6*10<5>-7*10<5> HUMSCs/ml by means of re-suspending. The injection provided by the invention has the advantages of obvious curative effect and high stability, and is convenient in storage and transport and safe in use, thus being capable of bringing gospel to patients with hepatic fibrosis.

The invention relates to the field of refrigeration control, in particular to a control method for achieving freeze prevention and long preservation of food through temperature control, refrigerationequipment and a computer readable storage medium. According to the method, quick cooling is performed under the low environment temperature firstly, and the quality of the food is maintained to the maximum extent; then segmented gradual cooling is performed, the food is promoted to enter a stable over-cooling state; when the food is frozen, continuous step-type temperature rise is performed immediately, and the food is prevented from being frozen; and through repeated cooling, temperature stabilizing and temperature rise, the temperature of the food is always kept below 0 DEG C and above the supercooling point of -10 DEG C in most of the time, and the preservation cycle is prolonged effectively.

A metallic microcapsule containing a polymeric microcapsule having one or more polymeric precursors encapsulated therein; and a metallic shell enclosing a volume containing the polymeric microcapsule is disclosed. Also disclosed is a self-healing coating composition comprising (a) a film-forming binder; and (b) metallic microcapsules, the metallic microcapsules being the same or different and containing a polymeric microcapsule containing one or more polymeric precursors encapsulated therein; and a metallic shell enclosing a volume containing the polymeric microcapsule.

A method for infusing fruits and vegetables with prebiotic soluble fibers in the form of either short chain fructooligosaccharides or dextrins. Fruits and vegetables are submerged in an infusion solution of prebiotic soluble fiber, and undergo both atmospheric and vacuum infusion processes. The infusion solution is maintained at a temperature of between about 45° F. to about 50° F. and at a Brix of about 30° to about 60°. Vacuum (low pressure) pulses are applied to the product to expedite solids infusion (mass transfer) and thereby decrease infusion time and the product is subsequently vacuum fried to attain a great-tasting, fiber-enriched and aesthetically-pleasing fruit or vegetable product with reduced sweetness, good texture, and an enhanced natural taste with less than 2% moisture by weight and a significantly long shelf-life of up to 12 months.

An epoxy resin adhesive for abrasive paper is prepared from the component A composed of epoxy resin and diluent, the component B consisting of solidifying agent and toughening agent and the component C which is solvent through proportionally mixing component A with B, stirring, proportionally adding component C and stirring.

The invention relates to the field of refrigeration control, and in particular relates to a control method for realizing unfrozen long-term preservation of food by multistage control, refrigerating equipment and a computer readable storage medium. The control method for realizing unfrozen long-term preservation of food by multistage control comprises the steps: firstly, quickly reducing the temperature at a relatively low ambient temperature to keep the quality of food to the maximum extent, then gradually reducing the temperature in stages to prompt the food to enter a stable supercooled state, and simultaneously turning on an energy field which takes effect on water molecules in the food and prompts the water molecules to keep in a resonance state, thereby reducing the temperature of a supercooling point and prolonging the time of a supercooling stabilization stage; when the food appears to have phase change, entering a phase-change unfrozen stage to further prolong the supercoolingstabilization time; and when the food appears frozen, immediately carrying out continuous staged temperature increase to avoid freezing of the food. Through continuously repeating temperature reduction, temperature stabilization and temperature increase, the temperature of the food is kept at 0 DEG C or below most of the time or all the time, the supercooling point is kept at -10 DEG C or above and the preservation period is effectively prolonged. The energy field and temperature control are effectively combined and reasonably controlled to achieve better preservation effect and energy conservation.

The invention discloses a control method for a cooking utensil. The cooking utensil comprises a pot body, an upper cover assembly provided with a steam channel, a switch assembly and a gas pump. The switch assembly is used for connecting or stopping the steam channel. The gas pump is used for pumping gas in a containing cavity outwards. The control method includes the steps that after the appointment making stage is started, the switch assembly stops the steam channel, the gas pump is started to pump gas, the gas pump stops running after running for the first time, the gas pump is started after stopping running for the second time, and circulation is repeated in this way till the appointment making stage ends, so that the gas pressure in the containing cavity can be maintained within a set range; after the cooling utensil enters the appointment making stage, the heating time is shorter than a vacuum state maintaining time; and when the appointment making stage ends, the gas pump stops gas pumping, and the steam channel is connected through the switch assembly. According to the control method, breeding of bacteria in the pot can be inhibited, the quality guaranteeing time of food is prolonged, and the food taste is improved. The food can absorb water easily, and the food cooking time is shortened.

A natural anti-staling agent and filming agent for crystal pork is proportionally prepared from nisin, thia-phenol, lysozyme and filming agent chosen from glacic acetic acid- chitosan mixture and callegen or pollutant polyose.

A chemical mechanical polishing composition contains 1) water, 2) optionally an abrasive material, 3) an oxidizer, preferably a per-type oxidizer, 4) a small amount of soluble metal-ion oxidizer/polishing accelerator, a metal-ion polishing accelerator bound to particles such as to abrasive particles, or both; and 5) at least one of the group selected from a) a small amount of a chelator, b) a small amount of a dihydroxy enolic compound, and c) a small amount of an organic accelerator. Ascorbic acid in an amount less than 800 ppm, preferably between about 100 ppm and 500 ppm, is the preferred dihydroxy enolic compound. The polishing compositions and processes are useful for substantially all metals and metallic compounds found in integrated circuits, but is particularly useful for tungsten. The present invention also pertains to surface-modified colloidal abrasive polishing compositions and associated methods of using these compositions, particularly for chemical mechanical planarization, wherein the slurry comprises low levels of chelating free radical quenchers, non-chelating free radical quenchers, or both.

The present invention relates to IR-sensitive compositions containing an initator system comprising:

• • (a) at least one compound capable of absorbing IR radiation selected from triarylamine dyes, thiazolium dyes, indolium dyes, oxazolium dyes, cyanine dyes, polyaniline dyes, polypyrrole dyes, polythiophene dyes and phthalocyanine pigments
  • (b) at least one compound capable of producing radicals selected from polyhaloalkyl-substituted compounds
  • (c) at least one polycarboxylic acid represented by the following formula I

wherein Y is selected from the group consisting of O, S and NR⁷, each of R⁴, R⁵ and R⁶ is independently selected from the group consisting of hydrogen, C₁-C₄ alkyl, aryl which is optionally substituted, —COOH and NR⁸CH₂COOH, R⁷ is selected from the group consisting of hydrogen, C₁-C₆ alkyl, —CH₂CH₂OH, and C₁-C₅ alkyl substituted with -COOH, R⁸ is selected from the group consisting of —CH₂COOH, —CH₂OH and —(CH₂)₂N(CH₂COOH)₂ and r is 0, 1, 2 or 3 with the proviso that at least one of R⁴, R⁵, R6, R⁷ and R⁸ comprises a —COOH group or salts thereof, and

(d) at least one leuco dye, wherein the following inequation is met:

with ox_a=oxidation potential of component (a) in eV red_b=reduction potential of component (b) in eV

These compositions are inter alia extraordinarily suitable for the manufacture of printing plates.

The invention discloses a controllable-respiration preservative film and a preparation method thereof. The method comprises the following steps: dissolving a water-soluble polyhydroxy plasticizer in water, adding the reaction raw material, heating until the raw material is completely dissolved in water, dispersing at high speed, and cooling to 50-70 DEG C to prepare a solution for running filming; and running the solution for running filming onto a steel belt on a running production line via a die head, and drying to obtain the controllable-respiration preservative film. The controllable-respiration preservative film is prepared from the reaction raw materials in percentage by mass: 60-80% of polyvinyl alcohol, 10-30% of water-soluble polyhydroxy plasticizer, 1-5% of moisture respiration regulator, 1-3% of compatilizer, 3-10% of water retention agent and 0.5-3% of assistant. The preservative film has high barrier property for oxygen and nitrogen sources; the bidirectional permeation exchange power for moisture can be effectively regulated and controlled through the raw material formula; and thus, the preservative film can ensure free respiration and moisture exchange of fruits and vegetables in the preservation process.

The invention relates to the field of microorganisms and discloses lactobacillus plantarum with a weight reducing function and application thereof. The lactobacillus plantarum 1701 strain is separatedfrom a yogurt powder sample collected from rural areas of Shigatse in the Tibet Autonomous Region. The strain is preserved in the China General Microbiological Culture Collection Center on October 23, 2019, and the microorganism has the preservation number of CGMCC NO.18728. The lactobacillus plantarum 1701 has excellent tolerance and adhesion, can remarkably reduce the weight of a rat, reduce fat accumulation in a body, reduce the viscera ratio and body fat ratio, reduce the leptin level and reduce blood lipid and can be used in medicines, health-protecting products and health foods for preventing and treating obesity. Furthermore, the strain still has a weight reducing function after inactivation, thus having rich product mode, wide application range, high product stability and long preservation period.

The invention relates to a water soluble preservative film for fruits and vegetables and a preparation method of the preservative film. The water soluble preservative film for the fruits and vegetables is mainly prepared by the following materials in percentage in weight: 50 to 80% of polyvinyl alcohol with alcoholysis degree of less than 90%; 10 to 30% of polyhydroxy plasticizer, 1 to 5% of auxiliary film forming agent, 3 to 8% of low temperature antifreeze agent, 3 to 10% of adsorbent filling agent and 0.3 to 2% of film-forming adding additive. The preparation method comprises the following two steps of: 1, after metering contents of components of the preservative film in the formula, obtaining a uniform aqueous solution with concentration of 15 to 25% in water; and 2, uniformly casting the prepared solution on a clear steel band, and drying the solution to obtain the film through a dried drying tunnel with temperature of 120 to 180 DEG C. The preservative film has a high barrier property against oxygen, carbon dioxide and nitrogen and the like, and has a high bidirectional permeable exchange capacity for steam, thereby guaranteeing free breathing and water exchange of the fruits and vegetables in a preserving process.

The invention relates to a method for preparing for organization project cell epimatrix, which adopts animal stromatin and desmocyte as raw material. It comprises: preparing for the culture liquid, extracting the stromatin, preparing for the cell-stromatin culture material, preparing for the cell epimatrix, dispelling the cell by freezing, and sterilization sanitizing packaging material and so on.