萃取

Key words 〗 Ultrasonic extraction; Semi volatile organic compounds ; Soil; Methylene dichloride; Soxhlet extraction

关键词〗超声波萃取；半挥发性有机物；土壤；二氯甲烷；索氏提取

The effects of diluent on the extraction of uranium by BODMAC in different diluents.

稀释剂性质对季铵盐BODMAC萃取铀性能的影响。

The processes of thermal dimerization reaction and reactive distillation were simulated with Aspen Plus respectively.

本文研究了采用反应精馏的一段萃取工艺，确定了二聚过程中的主要反应及其Arrhenius方程。

Objective:An analytic method with SPE- HPLC was developed to determine residue of diphenylamine in water.

目的：建立固相萃取高效液相色谱法测定水中二苯胺残留量的方法。

The determination method of furazolidone residue in eggs by high performance liquid chromatography has been developed using matrix solid-phase dispersion and solid-phase extraction technologies for sample pretreatment.

采用基体固相扩散和固相萃取相结合的技术，对鸡蛋中呋喃唑酮残留进行了提取和净化处理，建立了高效液相色谱法检测鸡蛋中呋喃唑酮残留量的方法。

Influences of solvent/oil ratio,dilluent content and temperature on desulfurization and distribution coefficient were investigated.

以乙腈为萃取剂，在正辛烷中加入少量噻吩构成汽油模拟体系，考察了稀释剂含量、剂油比、温度对脱硫率和分配系数的影响。

Distribution ratio the greater the higher the extraction efficiency.

分配比越大，萃取效率越高。

Pasty, doughy: Term applied to some very heavily colored wines rich in dry extract.

浆状的、糊状的：用于描述某些颜色非常浓郁，富含干萃取物的葡萄酒。

Taking the soybean oil dreg as the raw material, using the method of esterification reaction and supercritical CO2 extracting, we carry through the research of extraction of natural VE .

以大豆油脚为原料，采用酯化反应和超临界CO2萃取方法，进行了天然VE 的提取研究。

It is, however, used to remove the caffeine from coffee beans, and sometimes to dry-clean clothes.

但是，它被用来从咖啡豆中萃取咖啡因，有时用来干洗衣服。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失