萃取剂

The extraction behaviors of actinides and the main fission products by the above compounds were studied.

较为系统研究了该化合物作为锕系元素萃取剂对锕系元素和主要裂片元素的萃取性能。

Meanwhile, experiment with the ternary mixture of methanol, butyl methyl ether and 1-chlorobytane showed that the system was not ternary azeotrope and can be separated by combination of extractive and rectification using water as extractive solvent.

针对甲醇、甲基正丁醚和正氯丁烷三元混合物，研究了该物系的性质，得到该物系不是三元共沸物的结论，并用水作萃取剂，通过实验验证了利用萃取和精馏耦合的方法分离该物系的可行性。

Continuous multistage counterflow centrifugal dephenol extraction and reextraction regeneration of the extractor were studied and proper operating parameters determined.

在此基础上，进行了多级连续逆流离心萃取脱酚及萃取剂反萃再生的研究，确定了适宜的工艺操作参数。

The waste acid was recovered from the raffinate with the active carbon as the decolorant at room temperature .

以正辛醇为萃取剂，通过三级萃取处理硝基C酸废水，萃余水相经过活性炭室温下脱色回收废酸。

Experiments and application situation on determination of dysprosium by fluorescence analysis and derivative spectrum analysis method are reviewed.

对近10a来的用荧光法和导数光谱法测定镝的研究及应用进行了综合报道。研究了在聚乙二醇2000 硫酸铵铝试剂双水相体系中，铝试剂作萃取剂，对镧、镨、镝的萃取行为。

N-methylacetamide was used as entrainer in separating acetic acid from water with extractive distillation ,and the interaction mechanism in this process was studied by using the density functional theory.

文献[1-4]认为萃取精馏分离乙酸水溶液过程中萃取剂与乙酸之间的氢键作用改变了溶液中乙酸和水的活度系数关系，从而改变了两者之间的相对挥发度，使得水和乙酸的分离变得相对容易。

The optimal technology condition for Sb extraction from InCl_3 solution with high Sb content by ethyl ether is investigated.

探索用乙醚作为萃取剂从富锑InCl3溶液中萃取锑的最佳工艺条件。

The experimental results showed that the impurities in extractant can quicken extraction rate.

实验发现萃取剂中的杂质对萃取具有较大的加速作用，这对工业生产具有一定的实际意义。

By comparison recoveries of several sequential extraction procedures and selectivity of extractants for thorium in soil and scoria, Martínez-Aguirre's sequential extraction method was adopted for quantitative analysis of thorium fractions, then the optimization and evaluation of the sequential extraction method were performed.

分别采用Tessier、BCR和Martínez-Aguirre形态萃取方法对土壤和样品中钍的形态进行分析，通过对总量的回收率和萃取剂选择性比较，选择了Martínez-Aguirre连续萃取法定量样品中钍的形态，并对其进行了优化和评价。

A series of disubstituted monoamide s extractants were synthesized and their extracted species with uranyl nitrate were obtained by extraction method.

合成了系列双取代单酰胺萃取剂，利用萃取方法获得了与硝酸铀酰的萃合物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。