萃取的

The mechanism of boric acid complexation extraction was studied by the combination of IR and slope ratio method.

采用了红外光谱和斜率法相结合的分析手段，对于硼酸络合萃取机理进行了研究。

To research removal effect of free fatty acid in separation process, two-step separation method was adopted in supercritical CO2 extraction of sea buckthorn oil.

在沙棘油超临界CO_2萃取试验中采用两级分离的方法研究了脱酸效果。

ObjectiveTo investigate the optimum parameters of extraction and purification of gentiopicrin in Gentiana scabra Bunge.

目的建立萃取和纯化龙胆中龙胆苦苷的优化参数。

In this study, the constant volume visual method is used to measure the critical point properties of CO 2+toluene, CO 2+cyclohexane, CO 2+ n butyraldehyde, CO 2+ i butyraldehyde, CO 2+methanol and CO 2+ethanol binary systems.

采用固定体积可视观察法测定了 CO2 +甲苯、CO2 +环己烷、CO2 +正丁醛、CO2 +异丁醛、CO2 +甲醇及 CO2 +乙醇二元体系的临界点性质，为超临界萃取和化学反应提供基础数据。

In the forth chapter of the dissertation, on the basis of HSAB principle, acylates, such as iron caproate, aluminum caproate and iron caprylate, were proposed to be used as extractants for alcohol.

在论文的第四章，依据软硬酸碱理论，提出用金属有机酸盐萃取醇类稀溶液。

The effects of pH value and phase ratio on the yield of capsaicin both in simulation system and real system were investigated.

在模拟体系和实际体系中均以正己烷和乙酸丁酯为萃取剂，考察了pH值和有机相/水相体积比对辣椒碱收率的影响。

High loss of chloroform and only about 90% inrecovery were the chief drawback of the process.

通过研究影响萃取过程的工艺参数对此进行了改进。

A new method for isolating chlorophyll from leaves of I. herklotsii was provided in this research.

本试验为研究从箬竹叶中萃取分离叶绿素提供了一种新的工艺方法。

The operation of "closure" has caused the loss of information, including the information on correlation structure of basis.

今后应着重分析有哪些信息还保留在成分数据中，并有针对性地寻找萃取这些信息的方法。

Objective To study the technology of supercritical fluid CO2 extraction (SFE CO2) on urosolic acid from Cornus officinalis.

目的 研究超临界CO2萃取山茱萸中熊果酸的工艺条件。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷