查询词典 distillation

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。

Juglone product was obtained from bark of J. mandshurica by ultrasonic extraction and vacuum distillation, and the yield of product was 0.09%. The product was characterized by FT-IR, GC-MS and 1H NMR.

研究采用超声波辅助浸提和减压蒸馏等方法，从核桃楸树皮中提取制得胡桃醌产品，产品得率0.09%。

The design of NESC uses many system engineering methods such as latticing components by application and technology, distillation of system functions, partial encapsulation and system delamination, all of which can help to design the components reasonably, simplify relationship, enhance runtime efficiency, improve the universality of software components, and purify the concept and structure of application systems.

框架体系结构设计通过应用-技术二维划分、功能提取、局部封闭和全局分层等技术实现，可望达到合理规划设计构件，简化依赖关系，提高运行效率，增强构件通用性以及清晰应用系统概念和结构的目的。

The products prepared by esterification of glycerol and lauric acid followed by molecular distillation have lauric acid, glycerol and other impurities.

月桂酸单甘油酯是用途广泛的食品添加剂，在其制备过程中经分子蒸馏得到的制备品中会有月桂酸、甘油等杂质。

The traditional separation and purification process of levulinic acid was consisted of solvent extraction and high vaccumn distillation, which was low in product recovery, high in energy consumption and complex in process operation.

传统的乙酰丙酸分离提取工艺以有机溶剂萃取和真空精馏为核心，乙酰丙酸的回收率低、能耗高、工艺复杂，成了制约工业化生产的主要因素。

The technology of refining α-linolenic acid by wiped film molecular distillation has been studied.

本文应用刮膜式分子蒸馏装置对α-亚麻酸的提纯进行了研究。

METHODS The volatile oil was obtained from Mallotus apelta by steam distillation.

方法采用水蒸气蒸馏法提取白背叶中的挥发油。

Duration of distillation is one of the important factors affecting quality and yield of the essential oil of Melaleuca alternifolia .

蒸馏的持续时间是影响互叶白千层精油质量及出油率的重要因素之一。

This paper describes the distillation method, the chemical components and the products quality control standard of essential oil of Melaleuca alternifolia.

文章叙述了互叶白千层芳香油的提取方法、化学组分及产品质量控制标准。

Coumarin in melilotus was extracted in the method of steam distillation, and the content of coumarin in product was less than 2% and plentiful tar as the by-product was found at the same time.

采用水蒸气蒸馏法对草木樨中的香豆素进行提取，其提取物中香豆素的含量不到2%，并伴有大量的焦油产生。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。