挥发油

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

Objective: To analyse the chemical compositions and their relative content of volatile oils from fresh and dried Citrus Bergamot.

目的：分析金佛手鲜品与干品挥发油的化学成分与相对含量。

Objective: Analysis of the constituents of the essential oil extracted from the flowers of the Chrysanthemum morifolium processed by the microwave-airflow and the calefaction after steam process from the State Chrysanthemum GAP bases in Zhejiang Province and to provide scientific basis for quality control.

中文摘要：目的：分析我国浙江省国家杭白菊GAP基地微波加工杭白菊和蒸制杭白菊的挥发油成分，为其质量评价提供科学依据。

However, no variety of tea should be used which contains too many volatile oils e.g., sage, peppermint, camomile, mint, dill, rosemary, St.

然而，应该应用不多的茶，而含有非常多的挥发油（即，鼠尾草，胡椒薄荷，甘菊，）薄荷，莳萝，迷迭香，St。

Methods The main components of the volatile oil of Cinnamomum cassia Presl from different habitats of Guangdong and Guangxi provinces and from GAP base were compared by GC fingerprinting, and 11 common components were determined.

采用GC法对广东、广西不同产地以及基地栽培肉桂的挥发油进行主要成分比较分析，从中归纳出11个主要共有峰。

Objective To identify the volatile chemical components of cassia mimosoides.

目的 分析铁甲草挥发油中的化学成分。

There were the same of fifty-seven components in the two oils.The most relative contents was α-Cedrol (micro-milling of Poria Cocos 7.936%)、trans-Nerolidol(ordinary pulverization of Poria Cocos 8.657%).

茯苓2种粉末挥发油成分中，含有57种相同成分，其中含量最高的分别为α-柏木醇（茯苓超微粉7.936%）、反橙花叔醇（茯苓普通粉8.657%）。

ResultsOne hundred and thirty-one kinds of chemical constituents in micro-milling of Poria Cocos were separated ; of which sixty-seven compounds representing 51.145% of the oil were characterized. Relative contents that were more than 2% were determined as Nonanal 2.058%,Camphor 2.401%,2,3-dimethyl Decalin 3.819%,trans-Nerolidol 2.266%,Farnesol 3.322%,α-Cedrol 7.936%.

结果茯苓超微粉中分离出131个成分，鉴定出67个化学成分，占挥发油总量的51.145%，其中相对百分含量大于2%的分别确定为壬醛Nonanal 2.058%；樟脑Camphor 2.401%；2，3-二甲基萘烷 2，3-dimethyl Decalin 3.819%；反橙花叔醇trans-Nerolidol 2.266%；金合欢醇 Farnesol 3.322%；α-柏木醇α-Cedrol 7.936%。

Objective: Carry on a research to the Zhejiang volatile oil, refine its major constituent citral, the obviation carcinogen safrole , then prepare soft capsule ,and enhance Miao medicine Zhejiang value in use.

目的：对者姜挥发油进行研究，精制其主要成分柠檬醛，除去致癌物质黄樟醚，并将所得的油制备成软胶囊，提高苗药者姜的利用价值。

Objective: Carry on a research to the Zhejiang volatile oil, refine its major constituent citral, the obviation carcinogen safrole, then prepare soft capsule ,and enhance Miao medicine Zhejiang value in use.

中文摘要：目的：对者姜挥发油进行研究，精制其主要成分柠檬醛，除去致癌物质黄樟醚，并将所得的油制备成软胶囊，提高苗药者姜的利用价值。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。