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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 44. Отображено 44.
08-04-2015 дата публикации

Method for preparing fish-skin collagen powder by use of fresh fish skin

Номер: CN104498568A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a method for preparing a fish-skin collagen powder by the use of fresh fish skin. The method comprises the following steps: fresh fish skin is selected as a raw material and is immersed in sodium hydroxide, the fresh skin is washed with water to neutral pH after fat and impure protein on the surface of the fish skin are removed, and crushing is carried out; drinking water and edible vinegar are added to the crushed fish skin and uniform agitation is carried out, ultrasonication and deodorization treatments are carried out, and papain is added to carry out controlled-enzymatic hydrolysis so as to obtain a fish-skin enzymatic hydrolysate; active carbon is added for decarburization clarification after enzyme deactivation, filtration is carried out, and a filtrate undergoes concentration and spray drying so as to obtain the fish-skin collagen powder. By ultrasonication of the fish skin, active ingredients in acetic acid are activated to react with fishy smell substances ...

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Номер записи: 1
19-03-2014 дата публикации

Method for extraction of rutin from asparagus

Номер: CN103641870A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of rutin from asparagus. The method includes: selecting old stems of asparagus as raw materials, conducting soaking, washing and mashing, then adding an ethanol solution, and extracting a flavonoid compound rutin from the raw materials; subjecting a rutin extract liquid to filtering so as to remove impurities, and then adding a citric acid solution in a dropwise manner to conduct crystallization and precipitation; subjecting the precipitates to washing to remove soluble impurities, and carrying out low temperature vacuum drying, thus obtaining a rutin product. The method involved in the invention has the advantages of reasonable process, simple and feasible operation, low production cost, small environmental pollution, high rutin yield and high purity, and greatly enhances the added value of asparagus.

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Номер записи: 2
19-03-2014 дата публикации

Method for extraction of pectin from pineapple peels and residue by enzymatic process

Номер: CN103641930A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of pectin from pineapple peels and residue by an enzymatic process. The method includes: selecting fresh pineapple peels and pineapple residue as raw materials; washing off impurities by clear water, then putting the materials into a cooking pan, adding water and conducting boiling to passivate the enzyme contained in the pineapple peels and residue, thereby preventing pectin decomposition; then flushing the materials to colorless by clear water; placing the pineapple peels and residue into an extraction pot, adding water and citric acid, raising the temperature, then adding pectinase, controlling conditions to carry out enzymolysis, thus improving dissolution of pectin; performing solid-liquid separation to obtain a pectin extract liquid; conducting filtering, then carrying out vacuum concentration, adding activated carbon, performing stirring decolorization, alcohol precipitation and filtering, thus obtaining pectin precipitates; and carrying ...

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Номер записи: 3
23-11-2011 дата публикации

Method for synthesizing tetrahydrocarbazoles compound

Номер: CN0102249983A
Автор: HAIPING NI, QIJUN HOU, NI HAIPING, HOU QIJUN
Принадлежит:

The invention discloses a method for synthesizing a tetrahydrocarbazoles compound. The method is a green preparation method for synthesizing the tetrahydrocarbazoles compound by using phenylhydrazine hydrochloride or phenylhydrazine and cyclohexanone as raw materials and synthesizing 1,2,3,4-tetrahydrocarbazole in one step through condensation and ring-closing. The method provided by the invention comprises the following steps of: mixing the phenylhydrazine hydrochloride or phenylhydrazine, water and inorganic acid; dripping the cyclohexanone at the temperature in a range of 40-90 DEG C for 0.5-4 hours; and after dripping the cyclohexanone, keeping the heat for 0.5-3.0 hours to obtain the high-content 1,2,3,4-tetrahydrocarbazole. The method for synthesizing the 1,2,3,4-tetrahydrocarbazole is economical, simple and convenient and has the advantages of moderate reaction conditions, high yield and product purity, environmental friendliness and the like.

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Номер записи: 4
21-05-2014 дата публикации

Method for improving molecular weight of thermotropic liquid crystal polymer

Номер: CN103804667A
Автор: NI HAIPING, ZHOU XIE, QIAN YUE, ZHANG DONGBAO
Принадлежит:

The invention provides a method for improving the molecular weight of a thermotropic liquid crystal polymer. According to the method, in the process of preparing the thermotropic liquid crystal polymer by using p-hydroxybenzoic acid/ p-acetoxybenzoic acid, 6-hydroxy-2-naphthoic acid/ 6-acetoxy-2-naphthoic acid, hydroquinone/ hydroquinone diacetate and terephthalic acid, the molar ratio of the hydroquinone/ hydroquinone diacetate to the terephthalic acid is controlled to be (1.005-1.025): 1. The molecular weight of the polymer product is controlled by controlling the addition amount of certain monomers, so that the polymerization time can be greatly shortened and the production efficiency is improved.

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Номер записи: 5
05-03-2014 дата публикации

Wholly-aromatic thermotropic liquid crystal copolyester and preparation method thereof

Номер: CN103613748A
Автор: NI HAIPING, ZHANG DONGBAO
Принадлежит:

The invention provides a wholly-aromatic thermotropic liquid crystal copolyester and a preparation method thereof. The method comprises: (1) a step of acetylation, namely, a step of adding 40-60 parts by molar of p-hydroxybenzoic acid, 10-20 parts by molar of 6-hydroxy-2-naphthoic acid and 10-25 parts by molar of hydroquinone into a reactor with a reflux condenser and carrying out an acetylation reaction by using acetic anhydride as an acetylation reagent under the catalysis of a catalyst pyridine; (2) a step of polymerization, namely, a step of subjecting 10-25 parts by molar of terephthalic acid and products obtained in the step (1) in the reactor with the reflux condenser after the acetylation reaction is finished to a polymerization reaction under the catalysis of a catalyst zinc acetate, and removing a byproduct acetic acid during polymerization by using nitrogen at first and then by using a vacuum system; and (3) a step of adding methylimidazole in the step (1) or the step (2) to ...

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Номер записи: 6
19-02-2014 дата публикации

Method for carrying out virus overly-protein binding assay by using crude RBSDV extract

Номер: CN103592443A
Автор: XU QIUFANG, CHEN QINGQING, ZHOU YIJUN, NI HAIPING
Принадлежит:

The invention discloses a method for carrying out virus overly-protein binding assay by using a crude RBSDV (rice black-streaked dwarf virus) extract. The method is characterized in that the method comprises the following steps: grinding an RBSDV infected sample to release virus particles, centrifuging to obtain the crude virus extract, and carrying out the virus overly-protein binding assay by using the crude RBSDV extract not purified virus particles. The method has the advantages of no need of the extraction of the RBSDV particles, simple operation, substantial reduction of the cost, and time saving, is more convenient, fast and economic than original methods, and can be used for assaying or screening the interaction proteins of the RBSDV.

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Номер записи: 7
19-03-2014 дата публикации

Method for extraction of carrot pigment from carrots

Номер: CN103642266A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of a carrot pigment from carrots. The method includes: selecting dark red carrots with close texture and a high pigment content as raw materials, conducting flushing and shredding, then performing extraction by an ethanol solution to obtain a pigment extract liquid; filtering the pigment extract liquid to remove impurities, then conducting primary vacuum concentration, and then carrying out enzymolysis by pectinase; employing an ethanol solution to conduct alcohol precipitation to remove pectin, thus obtaining a clarified pigment liquid; adding a white-peel white-core radish juice into the clarified pigment liquid, mixing them, conducting warm immersion treatment, then shifting the liquid mixture into a pressure cooker, rapidly raising the temperature to more than 121DEG C, conducting pressure relief quickly, discharging all steam and removing the peculiar smell; and then carrying out secondary concentration and spray drying, thus obtaining ...

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Номер записи: 8
04-08-2023 дата публикации

Fermented and decomposed biological organic fertilizer special for peanuts and preparation method of fermented and decomposed biological organic fertilizer

Номер: CN116535261A
Автор: NI HAIPING, WANG BINJIANG, LI GUANGQUN, ZONG RUI, LIU LUMIN
Принадлежит:

The invention discloses a special fermented and decomposed biological organic fertilizer for peanuts and a preparation method thereof. The fertilizer comprises the following components in parts by weight: 15-25 parts of a nitrogen-phosphorus-potassium fertilizer, 45-65 parts of an organic matter, 6-8 parts of a coated microbial preparation, 3-5 parts of a chelated trace element component and 8-12 parts of vinasse. The nitrogen-phosphorus-potassium fertilizer is formed by compounding a nitrogen fertilizer, diammonium phosphate and potassium nitrate; the chelated trace element components comprise magnesium, iron, manganese, copper, zinc and molybdenum. By adopting a mode of compounding organic nutrients, inorganic nutrients and microorganisms, the fertilizer is comprehensive in nutrition, easy to absorb by crops and capable of improving the micro-ecological environment of soil, meanwhile, through special coating technology treatment, the survival time of effective viable bacteria is long, ...

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Номер записи: 9
19-03-2014 дата публикации

Method for extraction of amaranth edible pigment from Amaranthus mangostanus L.

Номер: CN103642265A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of amaranth edible pigment from Amaranthus mangostanus L. The method includes: selecting high-pigment content Amaranthus mangostanus L. in a middle growth stage as raw materials, conducting flushing, and cutting the materials into block strips; adding water into the Amaranthus mangostanus L. block strips, conducting stirring, then adding citric acid, performing heating extraction, and carrying out centrifugation, thus obtaining a pigment extract liquid; filtering the extract liquid to remove impurities, conducting vacuum concentration and spray drying, thus obtaining the amaranth edible pigment. The extraction method provided by the invention has the advantages of simple process, convenient operation, simple equipment, mild reaction, low energy consumption, short preparation period, low production cost, and high pigment extraction rate. The product prepared by the method preserves all the nutritional components in the raw materials and has ...

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Номер записи: 10
27-06-2012 дата публикации

A method for preparing o-chloro PPD

Номер: CN0101544571B
Автор: NI HAIPING, CHEN YUZHONG, HAIPING NI, YUZHONG CHEN
Принадлежит:

The invention relates to a method for preparing o-chloro PPD. In 95% ethanol solvent, using o-chloro PNA as material, Pd/C of 5% content as catalyst, metal ion as cocatalyst, replacing air with nitrogen gas at least three times, replacing nitrogen with hydrogen at least three times, filling with hydrogen gas for catalyzed hydrogenation for preparing o-chloro PPD under reaction pressure 0.1-1 Mpa,reaction temperature 60-150 DEG C. The method for preparing o-chloro PPD of the invention has merits of simple production process, good repeatability, largely improved product purity, pollution resistance, which is suitable for industrialized production.

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Номер записи: 11
03-09-2014 дата публикации

Method for enhancing spinnability of thermotropic liquid crystal polymer

Номер: CN104017192A
Автор: NI HAIPING, ZHANG DONGBAO
Принадлежит:

The invention provides a method for enhancing spinnability of thermotropic liquid crystal polymer. The method comprises the following step: carrying out polymerization reaction on para-hydroxybenzoic acid, amide diacid and dihydroxy benzophenone, wherein the para-hydroxybenzoic acid accounts for 35-75 mol% of the total monomers, and the mole ratio of the amide diacid to the dihydroxy benzophenone is 1:1. The amido bond in the aramid fiber structure is introduced into the molecular chain of the polymerisate, the distorted structure and ester group structure of the diphenylketone carbonyl group are utilized to regulate the intermolecular action to the appropriate level, the polymerisate can be easily spun into fibers under molten conditions, and the fibers have higher toughness and favorable industrialization prospects.

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Номер записи: 12
28-01-2015 дата публикации

Method for preparing swimming bladder collagen powder

Номер: CN104313098A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a method for preparing swimming bladder collagen powder. The method comprises the following steps: by taking dry swimming bladders as a raw material, washing, ordinarily crushing, soaking in water, further performing ultrasonic treatment, adding water to pulp to prepare swimming bladder pulp, adding papain to control enzyme enzymolysis, performing enzyme deactivation, centrifuging, filtering, and feeding the supernate into a spray-drying tower for spray-drying, thereby obtaining the swimming bladder collagen powder. According to the method, as ultrasonic auxiliary treatment and enzyme engineering techniques are adopted, the processing condition is gentle, the reaction process is easy to control, the swimming bladders are treated by using ultrasonic waves before enzymolysis so as to break the swimming bladder tissue and the cytomembranes, bio-enzyme can contact protein, the enzymolysis efficiency is improved, the process is advanced and reasonable, and because of ...

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Номер записи: 13
11-11-2009 дата публикации

Method for preparing diaminonaphthalene by catalytic hydrogenation of dinitronaphthalene

Номер: CN0101575295A
Автор: ZHANG WEI, SUN JIANZHI, LI MINGSHI, LU MOHONG, DAN YUHUA, ZHU JIANJUN, NI HAIPING, CHEN YUZHONG, ZHANG DONGBAO, WEI ZHANG, JIANZHI SUN, MINGSHI LI, MOHONG LU, YUHUA DAN, JIANJUN ZHU, HAIPING NI, YUZHONG CHEN, DONGBAO ZHANG
Принадлежит:

A method for preparing diaminonaphthalene by catalytic hydrogenation of dinitronaphthalene relates to a preparation technology of the diaminonaphthalene, which comprises the following steps: adding a palladium catalyst comprising active components and a carrier and adding the dinitronaphthalene and solvent to a stainless steel high-pressure reactor with an agitator, closing the reactor, replacing air in the reactor with nitrogen for at least three times and then replacing the nitrogen in the reactor with hydrogen for at least three times, and then filling the hydrogen in the reactor so that the reaction pressure in the reactor reaches 0.4-4.0MPa, heating the reactor so that the reaction temperature reaches 30-150 DEG C so as to carry out catalytic hydrogenation to prepare the diaminonaphthalene. The method adopts the hydrogenation reaction technology in the stainless steel high-pressure reactor with the agitator; a catalyst carrier is pretreated to improve the activity of the catalyst and ...

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Номер записи: 14
28-07-2023 дата публикации

Peanut slow-release compound microorganism organic fertilizer and preparation process thereof

Номер: CN116496124A
Автор: NI HAIPING, WANG BINJIANG, LI GUANGQUN, ZONG RUI, LIU LUMIN
Принадлежит:

The invention discloses a slow-release compound microbial organic fertilizer for peanuts. The slow-release compound microbial organic fertilizer is composed of a coating coat and a core fertilizer wrapped in the coating coat, the coating is prepared from polyglutamic acid, hydroxymethyl cellulose and porous starch; the core fertilizer is prepared from organic matters and microorganisms loaded on modified zeolite powder. According to the invention, polyglutamic acid, hydroxymethyl cellulose and porous starch are adopted as a coating coat, and a core fertilizer composed of organic matters and microorganisms loaded on modified zeolite powder is wrapped in the coating coat, so that the storage period of the biological organic fertilizer can be effectively prolonged, and the survival rate and biological activity of the microorganisms in soil are improved; the core fertilizer contains rich soluble carbon sources, nitrogen sources and mineral substances, so that a suitable growth environment can ...

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Номер записи: 15
21-01-2015 дата публикации

Method for preparing swim bladder seafood seasoning

Номер: CN104286802A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a method for preparing swim bladder seafood seasoning. The seasoning is prepared by implementing the following steps: taking dried swim bladder as a raw material; after washing and smashing, soaking the swim bladder, processing with ultrasonic waves and adding water to obtain swim bladder seriflux; adding papayotin into the seriflux for controlled enzymolysis; killing enzyme utilizing enzymatic liquid first and adding activated carbon for carbon removal; adding salt, gourmet powder, Disodium 5'-ribonucleotide and potassium sorbate into the filtrate obtained by filtering with filter clothaccording to certain proportion to obtain seasoning liquid; packaging the seasoning liquid into different bottles to obtain liquid state seasoning finished products or performing spray drying on the seasoning liquid to obtain powdery seasoning. The method provided by the invention is reasonable in technology, easy to control during reaction process, short in preparation time and ...

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Номер записи: 16
21-01-2015 дата публикации

Preparation method for fruit and vegetable flavored seafood seasoning

Номер: CN104286809A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a preparation method for a fruit and vegetable flavored seafood seasoning. The preparation method comprises the following steps: selecting dry swimming bladders as a raw material, carrying out the ultrasonic treatment after cleaning, crushing and soaking, adding in papayotin for enzyme-controlled enzymolysis after beating, adding in activated carbon for carbon removing after enzyme inactivating, and filtering through a filtering cloth to obtain an enzymolytic filtering solution; selecting fruits and vegetables to be cut into pieces, adding water in a reaction kettle, heating, extracting, and carrying out centrifugal filtration to obtain a fruit and vegetable extracting solution; mixing the enzymolytic filtering solution and the fruit and vegetable extracting solution, adding in monosodium glutamate, salt, disodium nucleotide and potassium sorbate, dissolving and uniformly stirring to obtain a seasoning solution; subpacking the seasoning solution into bottles to ...

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Номер записи: 17
21-01-2015 дата публикации

Preparation method for fragrance flavor seafood seasoning

Номер: CN104286784A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a preparation method for fragrance flavor seafood seasoning. The seasoning is prepared by implementing the following steps: taking dried swim bladder as a raw material; after washing and smashing, soaking the swim bladder, processing with ultrasonic waves and adding water to obtain swim bladder seriflux; adding papayotin into the seriflux for enzymolysis; killing enzyme; adding activated carbon for carbon removal and filtering the mixture to obtain enzymolysis filter liquid; adding water into a reactor filled with ginger powder, reducing sugar, vitamin B1 and five spice powder, heating, extracting, cooling and performing centrifugal filtering to obtain flavor liquid; mixing the enzymolysis filter liquid with the flavor liquid first and adding gourmet powder, salt, Disodium 5'-ribonucleotide and potassium sorbate for blending to obtain seasoning liquid; packaging the seasoning liquid into different bottles to obtain liquid state flavor seafood seasoning finished ...

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Номер записи: 18
21-01-2015 дата публикации

Preparation method for spicy seafood seasoning

Номер: CN104286801A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a preparation method for a spicy seafood seasoning. The preparation method comprises the following steps: selecting swimming bladder as a raw material, performing ultrasonic treatment on the swimming bladder after cleaning, crushing and soaking, and adding water into the raw material for pulping to obtain a slurry; adding papayotin into the slurry for performing controlled enzymatic hydrolysis, adding activated carbon after inactivation of the enzyme for carbon removal, and filtering with a piece of filtering cloth to obtain an enzymatic filtrate; placing chili powder, pepper powder and ginger powder into a reaction vessel, adding water, heating, extracting, and performing centrifugal filtration to obtain a spicy liquid; mixing the enzymatic filtrate and the spicy liquid, adding gourmet powder, salt, flavor nucleotides disodium and potassium sorbate for blending to obtain a seasoning liquid; subpackaging the seasoning liquid with bottles to obtain a liquid spicy ...

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Номер записи: 19
16-12-2015 дата публикации

A resistance net piece for building industry factory building usefulness

Номер: CN0204876255U
Автор: CHEN FANGLI, NI HAIPING, LI SHEN, WANG XU, RUAN SHUYA
Принадлежит:

The utility model provides a resistance net piece for building industry factory building usefulness belongs to building technical field. Construction industry factory building existed long in time limitly and the extravagant scheduling problem of material during it had solved prior art. This a resistance net piece for building industry factory building usefulness, including steel carrier plate and the bearing structure of setting on the steel carrier plate, the steel carrier plate includes the plate body, and a plurality of U types of mode formation that the plate body passes through bending lead to the groove, and per two adjacent U types lead to the logical groove in clearance of formation between the groove, and the both ends in the logical groove in clearance all are fixed with sealed stifledly, bearing structure includes a plurality of longitudinal reinforcements and transverse reinforcement, and longitudinal reinforcement and transverse reinforcement be equipped with a plurality of ...

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Номер записи: 20
15-04-2015 дата публикации

Method for preparation of soybean glycoprotein from defatted soybean meal

Номер: CN104509679A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a method for preparation of soybean glycoprotein from defatted soybean meal, the defatted soybean meal as a raw material is soaked with water, after heating and defoaming processing, sodium hydroxide is added for adjustment of pH value to weak alkaline, after cooling, protease is added for enzymatic hydrolysis to obtain an enzymatic hydrolysate; after enzyme inactivation, activated clay and a flocculant are added for static precipitation; supernatant is taken to obtain soybean glycoprotein clear liquid; soybean glycoprotein clear liquid is added with activated carbon for carbon removal clarification and filteration to obtain soybean glycoprotein filtered liquid, the soybean glycoprotein is obtained by concentration and spray drying of the soybean glycoprotein filtered liquid. The enzymatic hydrolysis process has the advantages of mild conditions and easy control of reaction, impurities in the solution can be removed by the flocculation impurity removal process, ...

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Номер записи: 21
08-04-2015 дата публикации

A method for preparing seafood seasonings using fishmeal processing wastewater

Номер: CN104489602A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The present invention relates to a method for preparing seafood seasonings using fishmeal processing wastewater, which is based on the fishmeal processing wastewater as raw material. The method includes the following steps: filtering the fishmeal processing wastewater to remove solids, separating oil and water to obtain an oil-free aqueous solution, adjusting the PH value, adding papain for enzymolysis, and obtaining enzymatic hydrolysate; adding activated carclazyte and a flocculating agent after enzyme inactivation, standing and precipitating the mixture collecting liquid supernatant to obtain fish protein liquid; adding yeast into the liquid for neutralization and fermentation, gaining zymotic fluid of the fish protein; removing fishlike smell and conducting bleaching and clarification by adding activated carbon, filtrating the mixture to obtain fish protein filtrate; and adding monosodium glutamate, common salt, flavor nucleotides disodium and potassium sorbate to mix, thereby obtaining ...

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Номер записи: 22
19-03-2014 дата публикации

Method for extraction of pectin from kiwifruit peel pomace

Номер: CN103641933A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of pectin from kiwifruit peel pomace. The method includes: selecting the peels and pomace of juice extracted fresh kiwifruits as raw materials, conducting rinsing and chopping, adding hot water to conduct immersion so as to passivate enzyme contained in the peels and pomace, thereby preventing pectin decomposition; taking the peels and pomace out, performing draining, then putting them into a stainless steel container, adding water and citric acid, controlling conditions to perform pectin extraction, and conducting solid-liquid separation to obtain a pectin extract liquid; adding activated carbon into the pectin extract liquid, carrying out stirring decolorization, performing filtering to remove impurities, then conducting vacuum concentration, adding an ethanol solution to perform alcohol sedimentation, conducting filtration, collecting precipitates, and performing vacuum low temperature drying, thus obtaining a pectin finished product.

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Номер записи: 23
30-09-2009 дата публикации

Method for preparing 1,5-diaminonaphthalene through catalytic hydrogenation

Номер: CN0101544569A
Автор: NI HAIPING, CHEN YUZHONG, HAIPING NI, YUZHONG CHEN
Принадлежит:

A method for preparing 1,5-diaminonaphthalene through catalytic hydrogenation relates to a technique for preparing 1,5-diaminonaphthalene. In the dissolvent, 1,5-dinitronaphthalene is used as a raw material. Pd/C for the content of 5% is used as a catalyst. Furthermore the metallic ions are added into the reaction system as an additive. After replacing the air with nitrogen for at least three times, the nitrogen is replaced with hydrogen for at least three times. Then hydrogen is filled for executing the catalytic hydrogenation under the following reaction condition: 0.1-1.5MPa of reaction pressure and 80-120DEG C of reaction temperature. Then the 1,5-diaminonaphthalene is prepared. The method for preparing 1,5-diaminonaphthalene through catalytic hydrogenation according to the invention has the advantages of simple preparing method, lower temperature and pressure required for catalyzing the transformation of 1,5-dinitronaphthalene and preparing the 1,5-diaminonaphthalene, and higher reaction ...

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Номер записи: 24
30-09-2009 дата публикации

A green catalyzed method for preparing 3-amino-9-ethyl carbazole

Номер: CN0101544594A
Автор: NI HAIPING, CHEN YUZHONG, HAIPING NI, YUZHONG CHEN
Принадлежит:

A green catalyzed method for preparing 3-amino-9-ethyl carbazole relates to production for 3-amino-9-ethyl carbazole. In the solvent, using 3-nitro-9-ethyl carbazole as material, heating and dissolving, using Ni/meso-porous carbon as catalyst, replacing air with nitrogen gas at least three times, replacing nitrogen with hydrogen at least three times, filling with hydrogen gas for catalyzed hydrogenation for preparing 3-amino-9-ethyl carbazole under reaction pressure 1.5-2.5 Mpa, reaction temperature 80-180 DEG C. The green catalyzed method for preparing 3-amino-9-ethyl carbazole of the invention adopts Ni/meso-porous carbon as catalyst for preparing 3-amino-9-ethyl carbazole from 3-nitro-9-ethyl carbazole, which can reduce waste of all kinds, energy consumption and cost, improve product yield; and product is easily separated.

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Номер записи: 25
19-03-2014 дата публикации

Method for extraction of pectin from persimmon peels

Номер: CN103641929A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of pectin from persimmon peels. The method includes: selecting air dried persimmon peels as raw materials; crushing the persimmon peels into particles and placing them in a reaction pot, conducting warm water soaking to soften them, then carrying out boiling to passivate enzyme contained in the persimmon peels, thereby preventing pectin decomposition; adding water and citric acid, controlling conditions to perform pectin extraction, and carrying out solid-liquid separation to obtain a pectin extract liquid; adding activated carbon into the pectin extract liquid, conducting stirring decolorization, performing filtering to remove impurities, then implementing vacuum concentration, and adding an ethanol solution to conduct alcohol sedimentation, performing filtration, collecting precipitates, and conducting vacuum low temperature drying, thus obtaining a pectin finished product. The extraction method provided by the invention has the advantages ...

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Номер записи: 26
19-03-2014 дата публикации

Method for extraction of pectin from orange peels

Номер: CN103641932A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of pectin from orange peels. The metod includes: selecting air dried orange peels as raw materials, crushing the peels into particles, subjecting the particles to warm water soaking for softening, then conducting boiling to passivate enzyme contained in the orange peels so as to prevent pectin decomposition; then flushing the orange peel particles to colorless by clear water; placing the orange peel particles in a reaction pot, adding citric acid, controlling conditions to perform pectin extraction, and carrying out solid-liquid separation to obtain a pectin extract solution; adding activated carbon into the pectin extract solution, conducting stirring decolorization, performing filtering to remove impurities, carrying out vacuum concentration, then adding an ethanol solution to conduct alcohol precipitation and filtration, collecting precipitates, and performing vacuum low temperature drying, thus obtaining a pectin finished product. The ...

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Номер записи: 27
19-03-2014 дата публикации

Method for extraction of Auricularia auricula polysaccharide from Auricularia auricula

Номер: CN103641924A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of Auricularia auricula polysaccharide from Auricularia auricula. The method includes: selecting dry Auricularia auricula as raw materials, conducting soaking, washing and mashing, then adding cellulase, controlling enzymolysis conditions and performing enzymolysis to break cell walls; subjecting the enzymolysis generated Auricularia auricula residue to hot water extraction; combining an Auricularia auricula enzymolysis liquid and an Auricularia auricula extract liquid, conducting filtering, then adding a tannic acid solution to remove protein from the filtered liquid, subjecting a polysaccharide solution collected by centrifugation to alcohol precipitation by an ethanol solution; and finally, carrying out vacuum drying to obtain a polysaccharide product. The extraction method provided by the invention has the advantages of reasonable process, simple operation and comprehensive component retaining, the polysaccharide yield and purity are ...

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Номер записи: 28
19-03-2014 дата публикации

Method for extraction of pectin from pineapple peels and residue

Номер: CN103641931A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of pectin from pineapple peels and residue. The method includes: selecting fresh pineapple peels and pineapple residue as raw materials; washing off impurities by clear water, then putting the materials into a cooking pan, adding water and conducting boiling to passivate the enzyme contained in the pineapple peels and residue, thereby preventing pectin decomposition; then flushing the materials to colorless by clear water; placing the pineapple peels and residue into an extraction pot, adding water and citric acid, controlling conditions to carry out heating twice to extract pectin, and performing solid-liquid separation, to obtain a pectin extract liquid; performing primary filtering to obtain a clarified solution of pectin; then carrying out vacuum concentration, adding activated carbon, and performing stirring decolorization; adding an ethanol solution into the decolorized concentrated pectin solution to conduct alcohol sedimentation, ...

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Номер записи: 29
19-03-2014 дата публикации

Extraction method for sweet potato dietary fiber

Номер: CN103637220A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to an extraction method for sweet potato dietary fiber. The method includes: selecting starch extracted sweet potato residue as the raw material, conducting soaking by clear water, adding water and smashing the material into a sweet potato residue slurry; adding a sodium hydroxide solution into the sweet potato residue slurry to dissolve out the protein and fat therein; performing filtration, adding a hydrogen peroxide solution into the sweet potato residue subjected to alkali treatment to remove sweet potato residue polyphenol; conducting filtration, then adding a hydrochloric acid solution into the sweet potato residue polyphenol removed sweet potato residue to dissolve out the starch in the sweet potato residue; performing filtration, then flushing the acid treated sweet potato residue by distilled water to neutral, thus obtaining a neutral sweet potato insoluble; and carrying out drying and crushing, thus obtaining sweet potato dietary fiber. The method provided ...

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Номер записи: 30
08-04-2015 дата публикации

Preparation method of seafood seasoning by utilizing scallop processing waste

Номер: CN104489603A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The present invention relates to a preparation method of seafood seasoning by utilizing scallop processing waste. The method adopts scallop skirts or scallop blanching liquid as raw materials. The method comprises the following steps: pounding the scallop skirts into pieces and beating the pieces into slurry, or/and concentrating the scallop blanching liquid, filtering the concentrate and adjusting the filtrate to a proper pH value with sodium hydroxide solution, adding papain to perform controlled enzymatic hydrolysis, adding activated clay and flocculant after enzymes in the enzymolysis solution are inactivated, and allowing the mixture to stand for precipitation; taking the supernatant out and adding yeast powder to perform fermentation; adding active carbon into the fermentation broth to perform decoloration and clarification, and carry out filtering; adding monosodium glutamate, salt, disodium ribonucleotide and potassium sorbate into the filtrate and perform blending to obtain the ...

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Номер записи: 31
21-01-2015 дата публикации

Preparation method for kelp flavored seafood seasoning

Номер: CN104286808A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a preparation method for a kelp flavored seafood seasoning. The preparation method comprises the following steps: selecting dry swimming bladders as the raw material, carrying out the ultrasonic treatment after cleaning, crushing and soaking, adding papayotin for enzyme-controlled enzymolysis after beating, adding activated carbon for carbon removing after enzyme inactivating, and filtering through a filtering cloth to obtain an enzymolytic filtering solution; selecting kelp to be cut into pieces, adding water for heating and insulation extracting, and filtering to obtain a kelp extracting solution; mixing the enzymolytic filtering solution and the kelp extracting solution, adding monosodium glutamate, salt, disodium nucleotide and potassium sorbate for mixing to obtain a seasoning solution; subpacking the seasoning solution into bottles to obtain the finished liquid kelp flavored seafood seasoning, or carrying out spray drying on the seasoning solution to obtain ...

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Номер записи: 32
08-04-2015 дата публикации

Method for preparing fish-skin collagen powder by use of dry fish skin

Номер: CN104498569A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a method for preparing a fish-skin collagen powder by the use of dry fish skin. The method comprises the following steps: dry fish skin is selected and is immersed in water for two times, and edible hydrochloric acid is added during the second immersion so as to remove impure protein on the surface of the fish skin; the fish skin is washed with water to neutral pH; drinking water and edible vinegar are added after crushing, and then ultrasonication and deodorization treatments are carried out; papain is added to carry out controlled-enzymatic hydrolysis so as to obtain a fish-skin enzymatic hydrolysate; activated clay and a flocculating agent are added after enzyme deactivation, static settlement is carried out, and hydroxyapatite impurities in the fish skin are removed; and a supernatant is taken and active carbon is added for decarburization clarification, and filtration, concentration and spray drying are successively carried out to obtain the fish-skin collagen ...

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Номер записи: 33
16-12-2015 дата публикации

There is not infiltration terrace structure

Номер: CN0204876477U
Автор: CHEN FANGLI, NI HAIPING, CHEN HAIPING, FENG JIATENG, LI HAIHONG
Принадлежит:

The utility model provides a there is not infiltration terrace structure belongs to the building decoration field. It solved among the prior art can not be better the prevention of seepage of playing pass through the scheduling problem. This there is not infiltration terrace structure, including ground basic unit, fixed first impermeable layer is fixed with the second impermeable layer in the ground basic unit on first impermeable layer, is fixed with the curing agent layer on the second impermeable layer, and the curing agent layer is 6 -10mm with the thickness of second impermeable layer. The utility model has the advantages of can prevent fracture, prevention of seepage passes through.

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Номер записи: 34
19-03-2014 дата публикации

Method for extraction of chlorophyll from Lactuca sativa

Номер: CN103641838A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of chlorophyll from Lactuca sativa. The method includes: selecting fresh Lactuca sativa leaves as raw materials, conducting cleaning and chopping; putting the materials into an extraction tank, and adding an acetone solution to perform extraction; carrying out solid-liquid separation to obtain a pigment extract solution; implementing filtration; subjecting the pigment filtrate to vacuum concentration, then adding petroleum ether to conduct extraction, performing standing layering, and taking the lower pigment concentrate clear liquid; and conducting vacuum drying to obtain chlorophyll powder. According to the invention, the acetone extraction and petroleum ether extraction reactions are mild, and the solvents are easy to evaporate to dry, the energy consumption is low, and the product has no solvent residual. The extraction method involved in the invention has the advantages of simple process, easy operation, low production cost, and easy ...

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Номер записи: 35
19-03-2014 дата публикации

Method for extraction of garlic oil

Номер: CN103642594A
Автор: NI HAIPING, TANG MAOLIN, YANG ZHONG, TANG YANFANG
Принадлежит:

The invention relates to a method for extraction of garlic oil. The method includes: selecting mature garlic without pests and diseases and mechanical damage as a raw material, adding water to conduct soaking, then stripping the peel, flushing the garlic clean, then adding water and conducting mashing to obtain a garlic slurry; adding an ion activator Mn<2+>, and controlling conditions to perform enzymolysis; adding clear water into the obtained enzymolysis generated garlic solution in proportion, carrying out steam heating distillation extraction, and performing cooling by a condenser, thus obtaining an oil-water mixture; subjecting the oil-water mixture to standing layering, then taking the upper oil, thus obtaining garlic oil; adding activated carbon into the garlic oil to undergo decolorization, and then conducting filtering to obtain a garlic oil finished product. The method provided by the invention has the advantages of simple process, short extraction time, low cost, no organic ...

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Номер записи: 36
10-09-2014 дата публикации

Preparation method of permanent violet pigment

Номер: CN104031400A
Автор: ZHANG YAOSHU, HUANG HAOJIE, HOU QIJUN, GU YAO, NI HAIPING
Принадлежит:

The invention discloses a preparation method of a permanent violet pigment. The method comprises the following steps: dissolving 3-amino-N-ethyl carbazole in an organic solvent and carrying out a condensation reaction by adding chloranil in the presence of an acid-binding agent so as to obtain an organic solution containing 2,5-dichloro-3,6-di(9-ethyl-3-carbazole amino)-1,4-benzoquinone after the reaction; adding a metal salt catalyst into the organic solution obtained in the step a or simultaneously adding the metal salt catalyst and a quinone compound cocatalyst into the organic solution; feeding air or oxygen into a reaction kettle to reach a certain pressure; carrying out heat preservation at 120-180 DEG C for 2-10 hours; cooling to 80-120 DEG C after the reaction; washing a filter cake obtained after filtering with a small amount of organic solvent; then, respectively washing with methyl alcohol and water and drying, thereby obtaining a crude permanent violet pigment product. According ...

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Номер записи: 37
16-05-2023 дата публикации

Nitrogen-fixing and phosphorus-dissolving microbial fertilizer and preparation method thereof

Номер: CN116120118A
Автор: NI HAIPING, WANG HAN, TU QIANG, BIAN XIAOYING, ZHANG YOUMING, WU YUXIA, LI YIFANG
Принадлежит:

The invention discloses a nitrogen-fixing and phosphate-solubilizing microbial fertilizer and a preparation method thereof. The nitrogen-fixing and phosphate-solubilizing microbial fertilizer is characterized by comprising a microbial agent, an organic matter carrier and medium trace elements, the microbial agent is composed of a phosphate solubilizing bacterium Aspergillus niger MJ1, a nitrogen-fixing bacterium Pseudomonas stutzeri DSM4166, and a Pseudomonas stutzeri CHA0-nif engineering bacterium, and is characterized in that the microbial agent is composed of a phosphate solubilizing bacterium Aspergillus niger MJ1, a nitrogen-fixing bacterium Pseudomonas stutzeri DSM4166 and a Pseudomonas stutzeri CHA0-nif engineering bacterium. The preparation method of the nitrogen-fixing and phosphorus-dissolving microbial fertilizer comprises the following steps: (1) preparation of an organic matter carrier: weighing humic acid, attapulgite powder and an organic fertilizer according to the mass ...

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Номер записи: 38
30-09-2009 дата публикации

A method for preparing o-chloro PPD

Номер: CN0101544571A
Автор: NI HAIPING, CHEN YUZHONG, HAIPING NI, YUZHONG CHEN
Принадлежит:

The invention relates to a method for preparing o-chloro PPD. In 95% ethanol solvent, using o-chloro PNA as material, Pd/C of 5% content as catalyst, metal ion as cocatalyst, replacing air with nitrogen gas at least three times, replacing nitrogen with hydrogen at least three times, filling with hydrogen gas for catalyzed hydrogenation for preparing o-chloro PPD under reaction pressure 0.1-1 Mpa, reaction temperature 60-150 DEG C. The method for preparing o-chloro PPD of the invention has merits of simple production process, good repeatability, largely improved product purity, pollution resistance, which is suitable for industrialized production.

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Номер записи: 39
05-05-2023 дата публикации

Strain for degrading aflatoxin B1 and application thereof

Номер: CN116064332A
Автор: WANG MINGQING, YU LINA, BI JIE, SONG YU, QIN HONGWEI, JIANG CHEN, YANG QINGLI, YANG WEIQIANG, GONG QINGXUAN, NI HAIPING
Принадлежит:

The invention discloses a strain for degrading aflatoxin B1 and application of the strain, and belongs to the technical field of aflatoxin biodegradation. The strain for degrading the aflatoxin B1 disclosed by the invention is Acinetobacter oryzae J15, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) NO.26431. The aflatoxin B1 degrading strain disclosed by the invention can be used for degrading the aflatoxin B1. The degradation rate of the strain to aflatoxin B1 at 37 DEG C is 92.2%, and the strain has a good application prospect in biodegradation of aflatoxin.

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Номер записи: 40
16-12-2015 дата публикации

Steel carrier plate for building

Номер: CN0204876256U
Автор: NI HAIPING, CHEN FANGLI, LI YONG, MA CHUANSONG, WEI WEIWEI
Принадлежит:

The utility model provides a steel carrier plate for building belongs to building technical field. Construction industry factory building existed long in time limitly and the extravagant scheduling problem of material during it had solved prior art. This steel carrier plate for building, including the plate body, the plate body mode of passing through bending form a plurality of U types and lead to the groove, per two adjacent U types lead to and form a clearance between the groove and lead to the groove, just the clearance both ends that lead to the groove all be fixed with sealed stifledly, one side of plate body have and lead to a groove lateral wall looks vertically fixed plate no. 1 with the U type, and fixed plate no. 1 is in the outside that the U type leads to the groove, the opposite side of plate body have and lead to a groove lateral wall looks vertically fixed plate no. 2 with the U type, and fixed plate no. 2 is in the outsides that the U type leads to the groove, fixed plate ...

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Номер записи: 41
28-01-2015 дата публикации

Preparation method of abalone flavor seafood seasoning

Номер: CN104305132A
Автор: NI HAIPING, YANG ZHONG, TANG MAOLIN, TANG YANFANG
Принадлежит:

The invention relates to a preparation method of abalone flavor seafood seasoning. The method comprises the following steps: selecting dry swim bladders as a raw material, cleaning, crushing and soaking, performing ultrasonic treatment, adding water to prepare slurry, adding sliced abalone to mix in proportion, adding papain to perform enzyme-controlled enzymolysis, inactivating enzyme, adding activated carbon to remove carbon, filtering through filter cloth to obtain enzymolysis filtered fluid; adding aginomoto, salt, disodium nucleotide and potassium sorbate in the enzymolysis filtered fluid to obtain seasoning fluid; and packaging the seasoning fluid in different bottles to obtain the liquid-state abalone flavor seafood seasoning finished product or spray-drying the seasoning fluid to obtain the powdery abalone flavor seafood seasoning. The preparation method disclosed by the invention is reasonable in process, the reaction process is easy to control, the operation is simple and convenient ...

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Номер записи: 42
09-06-2023 дата публикации

Identification method of Chinese cabbage clubroot rhizosphere bacterial community

Номер: CN116240299A
Автор: WANG HAN, NI HAIPING, TU QIANG, BIAN XIAOYING, ZHANG YOUMING, WU YUXIA, LI YIFANG
Принадлежит:

The invention discloses a method for identifying a Chinese cabbage clubroot rhizosphere bacterial community. The method comprises the following steps: S1, collecting a sample; s2, soil index determination: determining indexes such as pH value, water-soluble salt, organic matters, soil total nitrogen, soil alkali-hydrolyzable nitrogen, soil total phosphorus, soil available phosphorus, soil total potassium, soil quick-acting potassium, soil microbial biomass carbon, nitrogen and phosphorus and the like of the soil sample; s3, separation of DNA (deoxyribonucleic acid); s4, DNA sequencing: according to a standard method, executing an Illumina Miseq double-end sequencing process on an Illumina Miseq platform, performing quality control on original data by using Trimmologic, performing sequence merging by using FLASH, and uploading sequence data to an NCBI (National Center of Biotechnology Information); and S5, statistical analysis: representing the obtained data by using average value +/-standard ...

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Номер записи: 43
25-07-2023 дата публикации

Strain for degrading aflatoxin, preparation and method for degrading aflatoxin

Номер: CN116478862A
Автор: WANG MINGQING, YU LINA, BI JIE, SONG YU, JIANG CHEN, YANG QINGLI, QIN HONGWEI, YANG WEIQIANG, GONG QINGXUAN, NI HAIPING, YU QIANG, YU XIAOHUA, SHI CHENGREN
Принадлежит:

The invention discloses a strain for degrading aflatoxin, a preparation and a method for degrading aflatoxin, and belongs to the technical field of aflatoxin detoxification. The bacterial strain for degrading the aflatoxin is Leifsonia shikonensis AG29, the Leifsonia shikonensis AG29 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on February 14, 2023, and the preservation number is CGMCC No.26548. The invention further discloses a preparation method of the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain. The strain AG29 is used for preparing fermentation liquor or fermentation supernate, the fermentation liquor or the fermentation supernate is added into a sample containing aflatoxin B1, 92.3% of aflatoxin B1 can be degraded after incubation ...

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Номер записи: 44