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  extraction
    Extraction of Pine Seed Oil by Supercritical CO_2 and Investigation of Its Antisenile Function in Rats
    红松仁油的超临界CO_2萃取及其抗衰老功能研究
短句来源
    Garlic Oil Extracted by Countercurrent Supercritical CO_2 & Garlic Polysaccharide Extraction from the Raffinate
    大蒜油逆流超临界CO_2萃取及大蒜多糖提取技术研究
短句来源
    Investigation on the Extraction Process of Sugar Plant Material
    植物糖料萃取过程的研究
短句来源
    The Studies on the direct extraction new technology of bilirubin
    胆红素直接萃取新工艺的研究
短句来源
    Supercritical carbon dioxide extraction technology applied to the Production of natural spices
    超临界二氧化碳萃取技术在天然香料生产中的应用
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  extracting
    Study on the Extracting Tobacco Extract from Tobacco Leaf and Tobacco Dust Using CO_2
    用CO_2溶剂从烟草(烟末)中萃取烟精的研究
短句来源
    Experiment on Extracting Wheat Germ Oil by Supercritical CO_2
    超临界CO_2萃取小麦胚芽油的试验研究
短句来源
    Study on the Multistage Countercurrent Extracting Green Tea Polyphenols with Ethyl Acetate
    醋酸乙酯逆流萃取绿茶茶多酚的研究
短句来源
    It was discussed that the effects of extracting pressure, temperature and time on the extraction efficiencies of the camellia oil by supercritical CO2.The optimal extracting conditions are determined: extracting pressure 25MPa, the temperature 40℃ and the time 2.5 hours. The extraction efficiencies of camellia oils was up to 97.5%.
    研究了超临界CO2萃取茶油时,萃取压力、温度、时间对茶油提取率的影响,结果表明,萃取压力25MPa,温度40℃,萃取时间为2.5h时,茶油的提取率达到97.5%。
短句来源
    The paper studied the extracting procession of allicin with the method of supercritical carbon dioxide. The results showed that the optimal procession parameters were 35℃, 20MPa, 75min of static extraction time and 45min of flow extraction time.
    采用高效液相法为检测手段,研究确定了超临界二氧化碳法提取大蒜素的最佳工艺条件为萃取压力20MPa、萃取温度35℃、静态萃取时间75min、动态萃取时间45min。
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  extract
    Study on the Extracting Tobacco Extract from Tobacco Leaf and Tobacco Dust Using CO_2
    用CO_2溶剂从烟草(烟末)中萃取烟精的研究
短句来源
    In this paper we used the process technology of ethanol extraction combined with supercritical CO_2 to extract garlic oil.
    以乙醇提取与超临界CO_2萃取结合的工艺路线提取大蒜油。
短句来源
    The study indicated that the recovery rate is best when we using 40% ethanol (94.5% v/v) to soak garlic pellet for 2 hours,and then extract the soak juice with supercritical CO_2 extraction under 35℃temperature,15 MPa pressure and 8kg·h~(-1) rate of flow of CO_2,and the content of allicin is 60.54%.
    试验测试表明:用40%浓度为94.5%的乙醇浸泡大蒜颗粒2h,将浸出汁液经超临界CO_2萃取,在萃取温度35℃,萃取压力15 MPa,CO_2流量为8kg·h~(-1)的条件下,出油率最高,大蒜素含量60.54%。
短句来源
    SFE-CO_2 technology was applied to extract ginger from dried ginger
    超临界CO_2萃取食用姜油的研究
短句来源
    Oil Extract From Grape (Vitis davidii Fo■x.) Seed by Supercritical CO_2 and Its Composition Analysis
    超临界CO_2萃取刺葡萄籽油及其成分分析
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  extraction extraction
    The results of the orthogonal experiments indicated:the operation condition of backward extraction:extraction time:90 min,the concentration of salt:1 2 mol/l,pH of water:7 7 Comparised with the usual method,the extraction of oil has little difference.
    反萃条件为 :萃取时间 90min ,水的pH值 7 7,KCl浓度 1 2mol/ 1,与传统制油工艺比较 ,油的萃取效果基本相同
短句来源
    As for the SFE technology, we have tried in 3 different ways: simple column countercurrent extraction, extraction plus fractionation, and double column countercurrent extraction.
    对于超临界二氧化碳流体富集亚油酸的研究,作者采用了单柱萃取萃取+精馏以及双柱萃取三种不同的工艺方法。
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      extraction
    The water-soluble glucan was obtained from Pleurotus florida fruit bodies by hot water extraction, ethanol precipitation, DEAE cellulose dialysis and Sephadex G-75 gel filtration.
          
    The acid treatment of LiAlTiO4 caused Li+ extraction ratio to change from 28% to 72%, while the dissolution of Al is less than 6.8%.
          
    Sample pretreatment microfluidic chip for DNA extraction from rat peripheral blood
          
    A sample pretreatment microfluidic chip was described based on the principle of solid phase extraction and micro electro mechanical system technology.
          
    A new feature extraction method using the amplitude fluctuation property of target HRRP for radar automatic target recognition
          
    更多          
      extracting
    This paper provides a novel way for extracting the new sorting feature of radar signals.
          
    A novel scheme for extracting the global scattering center model of radar targets is proposed in this paper.
          
    We then present the arithmetic for dynamic automatic identification of standing tree limbs, extracting basic growth characteristics of the standing trees such as the form, size, degree of bending and their relative spatial position.
          
    Wavelet design for extracting weak fault feature based on lifting scheme
          
    Simulation and engineering results confirm that the proposed method is better than other wavelet methods for extracting weak fault feature.
          
    更多          
      extract
    Activity was not recorded for hexane extract, against A.
          
    aureus in lower concentration of chloroform extract.
          
    Methanol extract showed more activity amongst all the solvent extracts, particularly remarkable activity recorded against gram-positive bacteria.
          
    An immunoenhancing polysaccharide isolated from the hot aqueous extract of mature pods of Moringa oleifera was found to contain only D-glucose as a monosaccharide constituent.
          
    STRUCTURAL CHARACTERISATION OF AN IMMUNOMODULATING POLYSACCHARIDE ISOLATED FROM AQUEOUS EXTRACT OF PLEUROTUS FLORIDA FRUIT-BODIE
          
    更多          
      extraction extraction
    The proposed method was applied to the supercritical-fluid extraction extraction of 0.3?g grape marc with CO2 modified with 3% methanol at 350?bar at 50?°C (CO2 density 0.9?g?mL-1) for 20?min, using a liquid flow-rate of 0.9?mL?min-1.
          
    The most important variables involved in the derivatisation (acetic anhydride and base concentration) and the extraction (extraction temperature and salt addition) processes were optimised by experimental design.
          
    The Im-SPME (Immersion Solid Phase Micro Extraction) extraction technique was applied and the samples were analyzed by GC/MS.
          
    With rising arterial radioactivity, [14C]glucose extraction extraction exceeded unlabeled glucose.
          


    The chemical constituents of conifer needles (Pinus massomana Lamb., P. taiwanensis Hayata, P. densiflora S. et Z., P. thunbergii Parl., P. koraiensis Sieb. et Zucc. and Abies holophylla Maxim.) were determined. The results showed that pine needles contain abundant nutrient substances including carotene 70-340 nig/kg, 17 or more amino acids in crude protein and various kinds of mineral elements. The biologically active substances extracted from needles and the needle meal were used as additives to poultry and...

    The chemical constituents of conifer needles (Pinus massomana Lamb., P. taiwanensis Hayata, P. densiflora S. et Z., P. thunbergii Parl., P. koraiensis Sieb. et Zucc. and Abies holophylla Maxim.) were determined. The results showed that pine needles contain abundant nutrient substances including carotene 70-340 nig/kg, 17 or more amino acids in crude protein and various kinds of mineral elements. The biologically active substances extracted from needles and the needle meal were used as additives to poultry and other livestock feeds. When poultry were fed with composite feeds containing 0.02-0.05 weight percent of biologically active substances, increases of body weight (8-17%), the rates of egg production (9~19%), fertilization and incubation and colouring material of egg yolk based on control were resulted, susceptibility to disease was reduced and the feed consumption was saved by 8-28%. Adding 2.5-4.5% of needle meal to the feed for pigs, 15-30% weight increase was obtained.

    测定了我国马尾松(Pinus massoniana Lamb.)黄山松(P.taiwanensis Haya-ta)赤松(P.densiflora S.et Z.)黑松(P.thunbergi Parl.)红松(P.koraiensis Sieb.et Zucc.)和辽东冷杉(Abies holophylla Maxim.)针叶的某些化学成份,确定松针叶营养成份丰富,胡萝卜素含量达70—340毫克/公斤,马尾松针叶粗蛋白质中氨基酸至少有17种,还含有各种矿物元素等。 研究了松针生物活性物质和松针粉饲喂畜禽的效果。一般的情况下,在家禽配合饲料中添加0.02—0.05%,松针生物活性物质,各类雏禽体重可增加8—17%,家禽产蛋率可提高9—19%,饲料节省8—28%,且能增强家禽抗病力,还可提高家禽的产蛋率、受精率、孵化率和蛋黄色素。在猪的日粮中添加2.5—4.5%松针粉,猪的增重率比对照组提高15—30%。在种鹅日粮中添加10%松针粉,不影响种鹅的产蛋和体重。 经石油醚和水萃取后的松针残渣亦能够用来代替统糠作种鹅的填充饲料。

    The methods for strengthen the solid—liquid extraction process is investigated in this paper. Summing up the mathematically analytic methods and the static and dynamic equations of international scholars in sugar science, with Fick's law as theorectical basis, some opinions to the main influential factors are suggested:

    本文研究强化植物糖料固液萃取的过程,以费克扩散定律为理论基础,综述国际糖业界有关数理分析方法和推导静态和动态方程作为根椐,对若干主要影响因素提出研究意见:1.糖料破碎的最佳几何形状与质量标准2.温度对糖料细胞活性和渗出汁粘度作用3.分级回流加大浓度差4.时间与糖料层厚度对糖分抽出率的影响.最后,把研究结果和在生产上应用作引证,为提高糖分抽出率提供利学根椐.

    A process using ethanol as extraction solvent and thin film evaporation has been established for producing liquid flavor material from cocoa bean shells. Product with stable quality and satisfactory fragrance can be obtained. The efficiency of solvent recovery is improved. Total loss of ethanol is less than 4%. The production is economically profitable.

    本试验确定了以酒精为溶剂的沸腾回流萃取工艺、薄膜蒸发浓缩的设备型式,生产出来的香料香气纯正,质量稳定。酒精回收效果较好,总损耗率在40%以下,经济上有益。

     
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