查询词典 distillation method

In the paper,the essential oil of Syringa oblate Lindl var affinis Lingelsh bud from Qinghai was extracted by the method of water vapor distillation. After detected by GC-MS,47 peaks were separated from the oil. Among them,26 compounds taken up 88.7% of total peak areas were identified.

采用水蒸气蒸馏法提取了产自青海的白丁香花蕾的挥发油，应用GC/MS方法对其化学成分进行了分析，分离出47个色谱峰，鉴定了26个化合物，占总峰面积的88.7%，主要成分是丁香酚、丁香醇、石竹烯、苯乙醇等化合物。

Extraction Method: Obtained through steam distillation of the amyris wood - a small tree known also as West Indian rosewood and sometimes as the Haitian candle tree.

提取方法：由阿米香树木—一种称作西印度玫瑰木的小树和一些海地蜡树通过水蒸气蒸馏而得。

Gel co-precipitation method and heterogeneous azeotropic distillation technics were used in the preparation of ZrO2 and Al2O3 composite powder.

用溶胶共沉淀法辅以共沸蒸馏法工艺制备ZrO2/Al2O3复合粉体，研究了pH值和锆与铝的离子比对复合粉体和用这种复合粉体制备的瓷体的力学性能的影响。

The material balance of technology and one hundred thousandtone stages is accomplished, laying a foundation for industrial experiments of bisphenol A ofpolycarbon-stage with HPA method. The characteristics of the process are shown as follows. Thefirst, using reaction distillation technology to make water and toluene to reach azeotropy andremove them promptly, the reaction rate is increased.

绘制了带控制点的流程图，建立了流程优化模拟计算的数学模型并编制了计算机程序，通过输入工艺设计要求，应用该程序很快就可以完成整个流程的模拟计算，应用该程序也可进行整个流程的优化设计计算。

To study aroma characteristics of Chaenomeles fruits and expand developing channels of Chaenomeles industry, aroma components of three different cultivars of Chaenomeles fruits were extracted with the method of Simultaneous Distillation and Extraction and identified by GC-MS.

为了深入了解木瓜的香气特征，扩大木瓜的开发利用途径，采用同步蒸馏－萃取法对长俊、狮子头、玉兰3种木瓜果实的香气成分进行了提取，并用GC-MS分析了3种木瓜果实香气成分的组成。

Finally, the formaldehyde content of the raw material, semi-product and final beer was determined by the method of diacetyl distillation instrutment in this paper.

本文比较了甲醛测定的几种方法，例如乙酰丙酮法、AHMT法以及液相色谱法，最终采用AHMT法对啤酒生产的原料、半成品及成品啤酒中的甲醛含量进行了测定。

The inventive method is characterized in that: c an amino nitrile or diamine or dinitrile or mixtures thereof are removed by distillation from bottom product at a temperature which is lower than that selected in step b.

本发明方法的特征在于：c在低于步骤b所选择的温度的温度下通过蒸馏从底部产物除去氨基腈或二胺或二腈或其混合物。

Compared with the traditional process of esterify reaction, Employing the method of distillation with reaction can simplify the esterifying process, and save much energy and money.

结果表明，与传统的酯化反应过程相比较，采用反应精馏法可以简化酯化流程，节省大量能量和开支，是一项切实可行的方案。

F. based on gas chromatography-mass spectrometer method. Essential oil from cultivated variety Inula racemosa Hook. f. was extracted by steam distillation and analyzed by applying GC-MS.

方法］采用水蒸气蒸馏法从藏木香栽培品种中提取挥发油，并用GC-MS联用仪对其挥发油的化学成分进行研究。

Juglone product was isolated and-depurated from bark of Juglans mandshurica byultrasonic .method and vacuum distillation.

4高纯度和高得率胡桃醌产品的分离纯化及结构表征。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。