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48results about How to "Keep it pure" patented technology

Corn silk polysaccharide separation and decoloring method

The invention relates to a corn silk polysaccharide separation and decoloring method, which is characterized in that the method comprises the following steps: crushing corn silks, then mixing the corn silks with water in a mass ratio of 1: 10 to 1: 15, adding cellulase with the corn silk mass of 1.0-1.5%, and regulating to a 45 DEG C of constant-temperature water bath with the pH value of 4.5-5.5; filtering polysaccharide leaching liquor after enzymolysis, centrifugating, taking liquid supernatant for vacuum concentration, and removing protein; adding powdered activated carbon into a polysaccharide solution after the removal of protein and the 45 DEG C of constant-temperature water bath; after centrifugation, taking the liquid supernatant, utilizing a microporous filter membrane for sucking filtration for one time to three times, and removing the activated carbon residue; adding anhydrous ethanol or methanol into the decolored silk polysaccharide solution, and centrifugating after uniform mixing; drying precipitation in a vacuum mode to obtain corn silk polysaccharide. The method can decolor pigment in the solution in corn silk polysaccharide separation and extraction, so the effect is obvious, the pigment removal rate can reach 85-90%, and the polysaccharide retention rate can reach more than 83%. The process is simple. At the same time, the method effectively removes the activated carbon left over in the decolored polysaccharide solution and maintains the purity of the polysaccharide color of the corn silk polysaccharide.
Owner:BOHAI UNIV

Preparation method and application of green tea essence for cigarette dropping pills

The invention provides a preparation method and application of green tea essence for cigarette dropping pills. The preparation method of the green tea essence comprises the steps that a green tea aroma component in green tea is extracted through supercritical fluid, olive oil is added to so as to fully dissolve the green tea aroma component, and after filtering, a first component is obtained; an ethanol solution and citric acid are added to the green tea obtained after supercritical fluid extraction for reflux extraction twice, filter liquors are combined, decompressing concentration is conducted, and then a second component 2 is obtained; Span80 is added to the first component, so that a phase A is obtained; the second component, water, glycerol, Tween80 and carbomer are evenly stirred, so that a phase B is obtained; the phase A and the phase B are heated respectively, the phase A is slowly added to the phase B for homogenization, after the pH value is added, a vitamin C aqueous solution is added, and then the green tea essence for the cigarette dropping pills is obtained. The prepared green tea fragrance is of an oil-in-water system, the active component, tea polyphenol, of the green tea is added to the water phase, and the potential toxic and side effects of a compound are avoided; and no off-odor exists, and when applied to cigarette filter tips, the green tea essence has the anti-oxidation function and can remove free radicals in smoke.
Owner:HUBEI CHINA TOBACCO IND

Preparation method of artemisia argyi essential oil

The invention relates to a preparation method of artemisia argyi essential oil. The preparation method comprises the steps of carrying out physical smashing to obtain crude artemisia argyi powder; carrying out enzymolysis treatment to obtain fine artemisia argyi powder; then, carrying out supercritical CO2 extraction and oil-gas separation to obtain the artemisia argyi essential oil. The artemisia argyi essential oil extracted by using supercritical CO2 as an extracting agent is low in extraction temperature, so that thermosensitive substances are effectively prevented from being oxidized and dissipated, and the essential and pure components in a stock solution and the essential oil are remained to the maximum extent; according to the preparation method, extraction and separation steps are combined into one step, and CO2 which is in the supercritical state flows out and is rapidly gasified to ensure that gas-liquid separation of CO2 and an extract is rapidly generated and CO2 and the extract are immediately separated, so that the oil yield is high, and the purity of the extract is high; in addition, CO2 belongs to a noncombustible gas and is tasteless, odorless, nontoxic and good in safety, so that the extracted artemisia argyi essential oil is particularly suitable for the fields of medical treatment, sanitation and daily chemical products.
Owner:WEIHAI HAPHOR GRP CO LTD

Processing and making method of sweet potato leaf tea

The invention relates to a processing and making method of sweet potato leaf tea. The processing and making method is characterized by comprising nine steps as follows: picking, stripping, tedding, fixation, drying with wind, rolling, sieving, aroma-increasing, dehydration and the like. The processing and making method has the beneficial effects that in appropriate seasons, fresh and tender sweet potato leaves are picked, and leaf stems and crude veins are stripped, so that clean and pure degrees of the sweet potato leaf tea can be maintained, and steam of the leaf stems and the crude veins is used for performing steam fixation, and pure fragrance of the sweet potato leaf tea can be further guaranteed; fixation and drying with wind can be performed through a conveyor belt, so that the shape of leaf blades can be maintained, and shapes, appearances and dimensions of the formed tea are uniform; rolling is performed when the dried tea is hot, so that perfect models can be obtained, bitterness in the sweet potato leaves can be removed, and after the aroma increasing, the bitterness can be further covered. The sweet potato leaf tea made in the manner is tidy in appearances, emerald green in color, clean, pure and strong in fragrance, dark green and transparent in color of tea soup, fresh, tender and mellow in taste of the tea soup, and elegant and fragrant in smell of the tea soup. The quality of sweet potato leaf tea products is greatly improved.
Owner:聂洪品

Temperature measuring system and method for on-line measurement of molten steel temperature in steelmaking process of electric-arc furnace

The invention belongs to the field of steelmaking process of an electric-arc furnace and relates to a temperature measurement system and method for on-line measurement of molten steel temperature in the steelmaking process of the electric-arc furnace. A device comprises a control system, an air supply system and a collection system; the method includes the steps that a spray gun throat on the furnace wall of the electric-arc furnace serves as a measurement window of an infrared temperature measurement device, supersonic gas jet generated when temperature measurement gas is sprayed and blown through a spray gun on the furnace wall of the electric-arc furnace is utilized to discharge smoke-containing furnace gas in the hearth, a foam slag layer on the surface of molten steel is penetrated through, a stable molten steel temperature feature signal transmission channel is established between the molten steel and a sensor, and continuous or intermittent one-line measurement of the temperature of the molten steel in the furnace is achieved in the steelmaking process of the electric-arc furnace. The temperature measurement system and method are applicable to molten steel temperature detection in the steelmaking process of the electric-arc furnace, the molten steel temperature in the steelmaking process of the electric-arc furnace can be effectively measured, the response speed of the measurement device is high, the service life is long, measurement accuracy is high, use of a temperature thermocouple is reduced, the manual temperature measurement time in the smelting process is shortened, and intelligent smelting of steelmaking of the electric-arc furnace is achieved.
Owner:UNIV OF SCI & TECH BEIJING

Field snail, grass carp and loach mixed breeding method

The invention belongs to the technical field of aquaculture, and concretely discloses a field snail, grass carp and loach mixed breeding method. The method comprises the following concrete steps of (1) pool cleaning: performing repeated disinfection respectively by quicklime and plant ash; (2) fingerling stocking; stocking a certain number of disinfected grass carp fingerlings, field snail fingerlings and loach fingerlings in a pool; (3) fixed time feeding: feeding a certain number of mixed breeding feed every time, and performing feeding three times in one day; (4) water quality management: controlling water flow, water depth and water temperature, and performing disinfection by plant ash at regular time; (5) fishing: fishing field snails, grass carp sand loaches with the weight reaching the standard under the proper conditions. The mixed breeding method has the advantages that the water layers of the pool are fully utilized; the field snails, the grass carps and the loaches in mixed breeding realize mutual growth promoting; the economic benefits are improved; the used feed is green and safe; the bacterial parasite and the parasite in field snail bodies, four kinds of diseases of the grass carps and various parasitosis and red skin diseases of the loaches and the like can be effectively prevented and treated.
Owner:广西丰兄农业开发有限公司

Emergent broadcasting system and adaption method of emergent broadcasting information

The invention provides an emergent broadcasting system and an adaption method of emergent broadcasting information, and relates to the technical field of emergent broadcasting. The emergent broadcasting system includes an emergent broadcasting platform, an adapter and terminal equipment, wherein the emergent broadcasting platform, the adapter and the terminal equipment are connected in order; theemergent broadcasting platform is used for receiving emergent broadcasting information, and sending the emergent broadcasting information to the adapter; the adapter is used for receiving the emergentbroadcasting information, generating a control command, and sending the control command and the emergent broadcasting information to the terminal equipment; the control command is a command for controlling the emergent broadcasting information to play in the terminal equipment; and the terminal equipment is used for receiving the control command and the emergent broadcasting information, so as tobroadcast the emergent broadcasting information under control of the control command. The emergent broadcasting system and the adaption method of emergent broadcasting information are conductive to maintaining purity of the emergent broadcasting platform function, and can alleviate the technical field that in a traditional emergent broadcasting system, the emergent broadcasting platform structureis complex and the own function cannot be realized timely.
Owner:SUMAVISION TECH CO LTD +2

Processing and production method of mulberry-leave tea

The invention discloses a processing and production method of mulberry-leave tea. The invention is characterized in that the processing and production method comprises the following nine major steps: picking the mulberry leaves, peeling the mulberry leaves, airing the enzymes, deactivating the enzymes, air-drying, kneading, screening and classifying, refining the aroma, dehydrating and the like. The processing and production method has the beneficial effects that the leaf stems and the thick leaf veins of the fresh and tender mulberry leaves which are picked in proper season are peeled, so that the refreshing and pure taste of the mulberry-leave tea can be preserved; enzymes in the leaf stems and the thick leaf veins are further deactivated by water vapor, so that the pure aroma of the mulberry-leave tea can be further ensured; the enzyme deactivation and the air-drying are performed on a conveyer belt so that the shapes of the mulberry leaves are kept and the strips formed by the mulberry leaves are uniform in shape; the kneading is performed when the mulberry leaves are hot, so that the mulberry leaves can be better shaped and the astringent taste of the mulberry leaves is removed; and the astringent taste can be further covered by the step of refining the aroma. The mulberry-leave tea produced according to the processing and production method has the advantages that the mulberry-leave tea is uniform in appearance, jade-green in color, refreshing and thick in aroma, dark-green and transparent in tea-soup color, tender and mellow in tea-soup taste as well as exquisite and fragrant tea-soup flavor. The processing and production method greatly improves quality of the mulberry-leave tea product.
Owner:石爱军

Clean preparation method of high-quality and high-purity natural-color bamboo fluff pulp

The invention belongs to the pulping field, and particularly relates to a clean preparation method of high-quality and high-purity natural-color bamboo fluff pulp. The method comprises the following steps that natural-color KP bamboo pulp is fully and uniformly defiberized; the defiberized pulp is diluted and then fed into a heat disperser, and sodium hydroxide is added for alkali extraction; the pulp subjected to heat dispersion is diluted with water and enters a flotation machine for flotation, and meanwhile a trapping agent oxirane-epoxypropane copolymer is added; the pulp obtained after flotation is washed and shrunk through a vacuum pulp washer, and generated washing waste liquid is drained; the pulp enters a pulp board papermaking workshop after being washed. The natural-color bamboo fluff pulp prepared through the technology has the advantages that the technological process is simple, the production efficiency, the production capacity, the finished pulp yield rate and the raw material utilization rate are high, investment is low, adopted chemicals are clean and environmentally friendly, a fluff pulp board has the low bursting strength, flexibility, comfort and elasticity are achieved, the liquid absorbing property is good, raising and dissociating are easily achieved, dust is little, and the hygienic indexes such as the good bacterium inhibiting property, antibacterial property and antianaphylaxis meet the requirement.
Owner:李文俊

Processing and production method of grape-leave tea

The invention discloses a processing and production method of grape-leave tea. The invention is characterized in that the processing and production method comprises the following nine major steps: picking the grape leaves, peeling the grape leaves, airing the enzymes, deactivating the enzymes, air-drying, kneading, screening and classifying, refining the aroma, dehydrating and the like. The processing and production method has the beneficial effects that the leaf stems and the thick leaf veins of the fresh and tender grape leaves which are picked in proper season are peeled, so that the refreshing and pure taste of the grape-leave tea can be preserved; enzymes in the leaf stems and the thick leaf veins are further deactivated by water vapor, so that the pure aroma of the grape-leave tea can be further ensured; the enzyme deactivation and the air-drying are performed on a conveyer belt so that the shapes of the grape leaves are kept and the strips formed by the grape leaves are uniform in shape; the kneading is performed when the grape leaves are hot, so that the grape leaves can be better shaped and the astringent taste of the grape leaves is removed; and the astringent taste can be further covered by the step of refining the aroma. The grape-leave tea produced according to the processing and production method has the advantages that the grape-leave tea is uniform in appearance, jade-green in color, refreshing and thick in aroma, dark-green and transparent in tea-soup color, tender and mellow in tea-soup taste as well as exquisite and fragrant tea-soup flavor. The processing and production method greatly improves quality of the grape-leave tea product.
Owner:高文靓

Mulberry wine and method for making same

The invention discloses mulberry wine. The mulberry wine comprises, by weight, 100-300 parts of mulberry fruits, 60-90 parts of passion fruits, 50-60 parts of cornel fruits, 10-20 parts of lemon, 20-30 parts of Barbary wolfberry fruits, 10-15 parts of honey, 5-10 parts of fresh jujube, 5-10 parts of sea buckthorn, 200-400 parts of fermented rice wine, 20-40 parts of mulberry leaves, 5-8 parts of lemongrass and 5-8 parts of rose. The invention further discloses a method for making the mulberry wine. The method includes smashing and sterilizing peel of the passion fruits, peel of the lemons, the mulberry leaves, the lemongrass, the rose, the fresh jujube and the sea buckthorn, then mixing the peel of the passion fruits, the peel of the lemon, the mulberry leaves, the lemongrass, the rose, the fresh jujube, the sea buckthorn and the fermented rice wine with one another to obtain a mixture and allowing the mixture to stand still for 15 days to obtain supernatant liquor A; cooking the mulberry fruits, then mixing the mulberry fruits, flesh of the passion fruits and flesh of the lemon with one another to obtain a mixture and then smashing and filtering the mixtures; mixing filter residue and the supernatant liquor A with each other to obtain a mixture, fermenting the mixture for 8 days to obtain supernatant liquor B; adding the honey and water into filter liquid and fermenting the filter liquid, the honey and the water for 10 days to obtain supernatant liquor C; mixing the supernatant liquor B and the supernatant liquor C with each other according to a weight ratio of 1:2-3 to obtain mixed liquid, storing the mixed liquid at low temperatures for 3 months and filtering the mixed liquid to obtain the mulberry wine. The mulberry wine and the method have the advantages that the mulberry wine tastes unique and has age defying and life prolonging healthcare functions.
Owner:符洁梅

Processing and production method of privet-leave tea

The invention discloses a processing and production method of privet-leave tea. The invention is characterized in that the processing and production method comprises the following nine major steps: picking the privet leaves, peeling the privet leaves, airing the enzymes, deactivating the enzymes, air-drying, kneading, screening and classifying, refining the aroma, dehydrating and the like. The processing and production method has the beneficial effects that the leaf stems and the thick leaf veins of the tender privet leaves which are freshly picked are peeled, so that the refreshing and pure taste of the privet-leave tea can be preserved; enzymes in the leaf stems and the thick leaf veins are further deactivated by water vapor, so that the pure aroma of the privet-leave tea can be further ensured; the enzyme deactivation and the air-drying are performed on a conveyer belt so that the shapes of the privet leaves are kept and the strips formed by the privet leaves are uniform in shape; the kneading is performed when the privet leaves are hot, so that the privet leaves can be better shaped and the astringent taste of the privet leaves is removed; and the astringent taste can be further covered by the step of refining the aroma. The privet-leave tea produced according to the processing and production method has the advantages that the privet-leave tea is uniform in appearance, jade-green in color, refreshing and thick in aroma, dark-green and transparent in tea-soup color, tender and mellow in tea-soup taste as well as exquisite and fragrant tea-soup flavor. The processing and production method greatly improves quality of the privet-leave tea product.
Owner:石爱军

Method and device for preparing carbon material by heating molten salt and pyrolyzing biomass through solar energy

The invention provides a method and a device for preparing a carbon material by heating molten salt and pyrolyzing biomass through solar energy, relates to the technical field of preparing the carbon material through the biomass, and aims to solve the problems that the technology for preparing the carbon through the molten salt cannot continuously prepare the carbon, the energy consumption is relatively high, and the mass production is difficult to realize. And the carbon production quality is ensured, the carbon production time is shortened, and the carbon production efficiency is improved. In the pretreatment of the biomass, high-temperature hot gas obtained in the pyrolysis reaction is used for ensuring a drying system, so that waste gas resources are fully utilized, and meanwhile, the pipeline safety and the pyrolysis efficiency are also ensured. In the separation operation, a plurality of layers of filter screens and a push plate are utilized to separate the reacted fused salt from the prepared biomass charcoal, so that the physical properties of the fused salt and the prepared biomass charcoal at high temperature are utilized to perform effective separation, the reaction of the biomass charcoal and the circulation of the fused salt are not interrupted, and continuous carbon preparation is really realized.
Owner:CENT SOUTH UNIV

Processing and production method of gingko-leave tea

The invention discloses a processing and production method of gingko-leave tea. The invention is characterized in that the processing and production method comprises the following nine major steps: picking the gingko leaves, peeling the gingko leaves, airing the enzymes, deactivating the enzymes, air-drying, kneading, screening and classifying, refining the aroma, dehydrating and the like. The processing and production method has the beneficial effects that the leaf stems and the thick leaf veins of the fresh and tender gingko leaves which are picked in proper season are peeled, so that the refreshing and pure taste of the gingko-leave tea can be preserved; enzymes in the leaf stems and the thick leaf veins are further deactivated by water vapor, so that the pure aroma of the gingko-leave tea can be further ensured; the enzyme deactivation and the air-drying are performed on a conveyer belt so that the shapes of the gingko leaves are kept and the strips formed by the gingko leaves are uniform in shape; the kneading is performed when the gingko leaves are hot, so that the gingko leaves can be better shaped and the astringent taste of the gingko leaves is removed; and the astringent taste can be further covered by the step of refining the aroma. The gingko-leave tea produced according to the processing and production method has the advantages that the gingko-leave tea is uniform in appearance, jade-green in color, refreshing and thick in aroma, dark-green and transparent in tea-soup color, tender and mellow in tea-soup taste as well as exquisite and fragrant tea-soup flavor. The processing and production method greatly improves quality of the gingko-leave tea product.
Owner:高文靓

Processing and making method of persimmon leaf tea

The invention relates to a processing and making method of persimmon leaf tea. The processing and making method is characterized by comprising nine steps as follows: picking, stripping, tedding, fixation, drying with wind, rolling, sieving, aroma-increasing, dehydration and the like. The processing and making method has the beneficial effects that in appropriate seasons, fresh and tender persimmon leaves are picked, and leaf stems and crude veins are stripped, so that clean and pure degrees of the persimmon leaf tea can be maintained, and steam of the leaf stems and the crude veins is used for performing steam fixation, and pure fragrance of the persimmon leaf tea can be further guaranteed; fixation and drying with wind can be performed through a conveyor belt, so that the shape of leaf blades can be maintained, and shapes, appearances and dimensions of the formed tea are uniform; rolling is performed when the dried tea is hot, so that perfect models can be obtained, bitterness in the persimmon leaves can be removed, and after the aroma increasing, the bitterness can be further covered. The persimmon leaf tea made in the manner is tidy in appearances, emerald green in color, clean, pure and strong in fragrance, dark green and transparent in color of tea soup, fresh, tender and mellow in taste of the tea soup, and elegant and fragrant in smell of the tea soup. The quality of persimmon leaf tea products is greatly improved.
Owner:张勇
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