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- New resource plants for citral and cineole. 檸檬醛和桉葉油素的新資源植物.
- Citral is a kind of natural spice used widely in food and daily chemical goods. 檸檬酸是一種廣泛應用于食品和日用化學(xué)品工業(yè)的天然香料。
- A structural isomer of citral that is obtained from the oxidation of geraniol. 香葉醛由香葉醇氧化得到的檸檬酸的結構上的同質(zhì)異構體
- Twenty five compounds such as geranial, neral, linalool and aliphatic aldehydes were selected as the components co... 由此可知,利用香氣成分的香氣值,能夠篩選出對食品的香氣起重要作用的成分。
- Much Success has been achieved in forcasting mi neral deposits by analyzing geological data, biogeochemical data and remote sens ing images. 遙感圖像與區域地質(zhì)資料、生物地球化學(xué)資料進(jìn)行綜合分析、預測區域成礦遠景已取得了很大進(jìn)展,有很多成功的實(shí)例。
- The minimum antibiotic concentration of citral is 0.10% but methyl heptenone is 0.40% or forereach 0.40%. 檸檬醛對5種霉菌的最低抑菌濃度為0.;10%25;而甲基庚烯酮對6種霉菌的最低抑菌濃度在0
- The refining process of citral product from natural litsea cubeba was studied by means of vacuum batch distillation. 采用減壓間歇精餾方法,對從天然產(chǎn)物山蒼子油中提取檸檬醛產(chǎn)品的精制過(guò)程進(jìn)行了研究。
- A structural isomer of citral that is obtained from the oxidation of nerol and is used to make perfumes and flavorings. 橙花醛檸檬醛的同分異構體，橙花醇氧化可得，用于制造香水和香料
- The minitory military said troopes troops were moving in from the north and the south on the neral narrow area of cosline coastline still hell held by the robortsrebels. 軍方發(fā)言人告訴美國之聲軍隊希望在周日前解放在叛軍領(lǐng)地上被抓的百姓。
- The effect of temperature solvents, and the amount of citral and acetone was investigated. 研究了溫度、溶劑及檸檬醛、丙酮不同用量對縮合反應的影響。
- Methods Urinary calculus were removed by ureteric lithotripsy with ureteroscope or mini-invasive percutaneous neral fistulation lithotripsy removed the urolithus. 方法應用輸尿管鏡經(jīng)尿道碎石或經(jīng)皮腎造瘺碎石取出尿路結石。
- Process for the isolation of citral from natural Litsea cubeba oil and lemen oil were investigated. 另外從檸檬草油的輕度餾份中,分離得到高質(zhì)量的月桂烯。
- The simple methods are put forward to calculate Fermi level and edge level of sulf ide mineral by means of potential of mineral electrode and zeta potential of mi neral surface. 提出采用礦物浮選常用參數，即礦物靜電位和礦物顆粒表面動(dòng)電位來(lái)計算硫化礦物的費米能級和邊緣能級的簡(jiǎn)便方法。
- The transformation rate of citral was more than 99% and the yield was 95% in the reaction of citral with acetone. 并縮合反應中,檸檬醛的轉化率為99%25以上,產(chǎn)品得率95%25;
- In recent years, fiber real-time delay technology with little si ze,light weight and wide prompt bandboard for phased-array radars has aroused ge neral concern. 近年來(lái),在相控陣雷達中,光纖實(shí)時(shí)延遲技術(shù)因其尺寸小、重量輕、瞬時(shí)帶寬寬等特點(diǎn)而受到廣泛關(guān)注。
- This paper reviewed the research progress in synthesis of citral in the recent years. 文章綜述了近年來(lái)檸檬醛的合成研究進(jìn)展。
- Objective To investigate the effects of cinnamaldehyde and citral on DNA and RNA of Aspergillus flavus and A. fumigatus cells and their mechanisms. 目的研究肉桂醛、檸檬醛對黃曲霉和煙曲霉細胞DNA、RNA水平的影響,以期探明其抗真菌的作用機制。
- Irone was obtained through three steps reactions with citral and acetone.Citral reacted with acetone in the base catalyst to give pseudoionone. 采用山蒼子油提取得到的檸檬醛和丙酮等為主要原料合成鳶尾酮。
- The technological condition were studied and satisfactory results were obtained to raise citral content of ltsea cubeba oil in vaccue distillation. 研究了旨在提高檸檬醛含量的山蒼子油真空精餾的條件,取得了較滿(mǎn)意的結果。
- Various processes for preparation of citral and synthesis of ionones are introduced, and recent progress in the synthesis of ionoes are reviewed. 綜述了檸檬醛的制取與紫羅蘭酮類(lèi)化合物的合成路線(xiàn),以及紫羅蘭酮類(lèi)化合物的合成方法進(jìn)展。
