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New resource plants for citral and cineole. 柠檬醛和桉叶油素的新资源植物.
Citral is a kind of natural spice used widely in food and daily chemical goods. 柠檬酸是一种广泛应用于食品和日用化学品工业的天然香料。
A structural isomer of citral that is obtained from the oxidation of geraniol. 香叶醛由香叶醇氧化得到的柠檬酸的结构上的同质异构体
Twenty five compounds such as geranial, neral, linalool and aliphatic aldehydes were selected as the components co... 由此可知,利用香气成分的香气值,能够筛选出对食品的香气起重要作用的成分。
Much Success has been achieved in forcasting mi neral deposits by analyzing geological data, biogeochemical data and remote sens ing images. 遥感图像与区域地质资料、生物地球化学资料进行综合分析、预测区域成矿远景已取得了很大进展,有很多成功的实例。
The minimum antibiotic concentration of citral is 0.10% but methyl heptenone is 0.40% or forereach 0.40%. 柠檬醛对5种霉菌的最低抑菌浓度为0.;10%25;而甲基庚烯酮对6种霉菌的最低抑菌浓度在0
The refining process of citral product from natural litsea cubeba was studied by means of vacuum batch distillation. 采用减压间歇精馏方法,对从天然产物山苍子油中提取柠檬醛产品的精制过程进行了研究。
A structural isomer of citral that is obtained from the oxidation of nerol and is used to make perfumes and flavorings. 橙花醛柠檬醛的同分异构体，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. 军方发言人告诉美国之声军队希望在周日前解放在叛军领地上被抓的百姓。
The effect of temperature solvents, and the amount of citral and acetone was investigated. 研究了温度、溶剂及柠檬醛、丙酮不同用量对缩合反应的影响。
Methods Urinary calculus were removed by ureteric lithotripsy with ureteroscope or mini-invasive percutaneous neral fistulation lithotripsy removed the urolithus. 方法应用输尿管镜经尿道碎石或经皮肾造瘘碎石取出尿路结石。
Process for the isolation of citral from natural Litsea cubeba oil and lemen oil were investigated. 另外从柠檬草油的轻度馏份中,分离得到高质量的月桂烯。
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. 提出采用矿物浮选常用参数，即矿物静电位和矿物颗粒表面动电位来计算硫化矿物的费米能级和边缘能级的简便方法。
The transformation rate of citral was more than 99% and the yield was 95% in the reaction of citral with acetone. 并缩合反应中,柠檬醛的转化率为99%25以上,产品得率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. 近年来,在相控阵雷达中,光纤实时延迟技术因其尺寸小、重量轻、瞬时带宽宽等特点而受到广泛关注。
This paper reviewed the research progress in synthesis of citral in the recent years. 文章综述了近年来柠檬醛的合成研究进展。
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、柠檬醛对黄曲霉和烟曲霉细胞DNA、RNA水平的影响,以期探明其抗真菌的作用机制。
Irone was obtained through three steps reactions with citral and acetone.Citral reacted with acetone in the base catalyst to give pseudoionone. 采用山苍子油提取得到的柠檬醛和丙酮等为主要原料合成鸢尾酮。
The technological condition were studied and satisfactory results were obtained to raise citral content of ltsea cubeba oil in vaccue distillation. 研究了旨在提高柠檬醛含量的山苍子油真空精馏的条件,取得了较满意的结果。
Various processes for preparation of citral and synthesis of ionones are introduced, and recent progress in the synthesis of ionoes are reviewed. 综述了柠檬醛的制取与紫罗兰酮类化合物的合成路线,以及紫罗兰酮类化合物的合成方法进展。