查询词典 volatile oil

The steam distillation. 2.Rotary evaporation distillation, 3.supercritical extraction for the extraction of volatile oil oriental arborvitae, the experiment results showed, 1.the best conditions for the extraction by rotary evaporation are NG:water:ethanol=l:4:4 sawdust under the conditions 50 ° C in temperature, atmospheric pressure 0.1 Pa, extract maximum extraction rate of 90 minutes.

对不同方法提取得到的侧柏挥发性物质的粗提物进行了的触角电位测定和行为测定，确定了利用水蒸气蒸馏、旋转蒸发蒸馏、超临界萃取三种方法进行侧柏挥发油的提取，并通过试验得到旋转蒸发仪萃取的最佳方法为：在木屑：水：乙醇=1：4：4；50℃温度；0.1个大气压的条件下，提取90min的提取率最高。

Volatile oil and β-asaron are efficiency parts ofAcorus tatarinowii Scho...

提取石菖蒲挥发油、β-细辛醚、乙醚层、乙酸乙酯层、正丁醇层、水层六个部位。

Any of various aromatic southwest Asian or Mediterranean plants of the genus Ruta, especially the ornamental R. graveolens, having bipinnately compound leaves that yield an acrid, volatile oil formerly used in medicine.

芸香：一种生长于亚洲西南部或地中海沿岸的芸香属植物，尤指装饰用的臭芸香，具有羽状复叶，能生产一种旧时作药用的刺激性的挥发油

ObjectiveTo establish the method for determination of bornyl acetate in Valeriana amurensis volatile oil by Gas Chromatography.

目的建立黑水缬草挥发油中乙酸龙脑酯的含量测定方法。

ConclusionThe method can accurately determine the content of bornyl acetate in Valeriana amurensis volatile oil.

结论该法能准确测定黑水缬草挥发油中乙酸龙脑酯的含量。

In this paper, using bupleurum as an example, a method of obtaining chromatograms of volatile oil in crude drugs by using gas chromatography and converting the data to retention index and percentage area in order to get the fingerprint of each sample was presented.

本文以生药柴胡为例，介绍了以气相色谱法获得含挥发油生药的气相色谱数据，并换算成保留指数和归一化峰面积，得到每一个样品的指纹图，将未知样品与标准样品的指纹图相比较，从而鉴别未知样品的方法。

The stone calamus pharmacological action's research existence deviation clinical actual tendency, its effective component research also much concentrates in the volatile oil part.

石菖蒲药理作用的研究存在偏离临床实际的倾向，其有效成分研究也多集中在挥发油部分。

However, it has been pointed out that wormwood and calamus contain volatile oil, which can be used to kill insects and avoied diseases.

不过也有人指出，其实艾和菖蒲一类植物中大多含有芳香油，可以杀虫防病。

The process of the formation of volatile oil in fruit can be divided into three stages: development stage, isolation stage, and disintegration stage; the endocrina structure of the fruit was lysigenous secretory canel.

孜然芹果实中挥发油的形成主要经历了油细胞的发育、分离、解体三个时期；果实中内分泌结构为溶生式的分泌道。

METHODS Volatile oil was extracted from Capparis spinosa L seeds using steam distillation method and the extractive rate was 1.12%.

用水蒸气蒸馏法提取种子中的挥发油并采用GC-MS技术分离鉴定其中的挥发性成分。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。