1) extraction fractionation
提取分级(分离)，萃取分级
2) fractional extraction
分级萃取
1.
The fractional extraction on Longkou lignite by different solvent was used for the studying of the occurrence modes and the variations of small molecular phases in coal.
研究煤萃取后的小分子相的赋存方式及其变化规律,用不同溶剂对龙口褐煤进行了分级萃取。
2.
Group separation of soluble organic compounds in wheat stalk can be achieved by fractional extraction.
采用二硫化碳、苯、甲醇、丙酮和四氢呋喃对未氧化和氧化的麦秆进行分级萃取,比较麦秆各级萃取物的相对含量和组成差异,并对各级萃取物的组成进行GC/MS分析。
3) extract fractions
萃取级分
4) cascade extraction
串级萃取分离
5) sequential extraction
分级提取
1.
In this study, speciation of organic phosphorus in 33 sediments sampled from Lake Dianchi was characterized using sequential extraction method, and organic phosphorus in sediments was divided into labile, moderately labile and nonlabile organic phosphorus based on their different stability.
针对滇池的33个沉积物样品,采用有机磷分级提取方法,将沉积物有机磷分为活性磷、中等活性磷、非活性磷等三种具有不同稳定性的有机磷。
2.
1 were studied based on mineralogical and chemical analyses aswell as sequential extraction.
本文作者通过分级提取实验,结合矿物成分,电子探针分析和化学成分分析,对凡口铅锌尾矿1号库(最早堆放)重金属元素在风化过程中的地球化学行为进行了研究。
6) sequential chemical extraction
分级提取
1.
Analysis of chemical states of heavy metals in pyrite cinder using sequential chemical extraction-inductively coupled plasma-mass spectrometry;
分级提取-电感耦合等离子体质谱分析黄铁矿烧渣中重金属的化学形态
2.
Utilization of sequential chemical extraction with ICP-MS to investigate states of Thallium in pyrite and cinder;
应用分级提取法考察了黄铁矿及烧渣中铊的赋存形态,包括酸可交换态、易还原态、可氧化态和残余态中铊的浓度,据此讨论了黄铁矿及烧渣中铊的形态分布,认为黄铁矿及烧渣中铊的释放均不容忽视。
补充资料：惯性分级
分子式：
CAS号：
性质：又称惯性力分级。是干式分级的一种，系将固体粒子群分散悬浮于气流中并急剧改变气流的运动方向，利用轻、重粒子惯性力之差使粒子群分级的操作。轻粒子惯性小，随气流一起改变方向并随气流排出；重粒子惯性大，运动方向不易改变而与气流主体分离。
CAS号：
性质：又称惯性力分级。是干式分级的一种，系将固体粒子群分散悬浮于气流中并急剧改变气流的运动方向，利用轻、重粒子惯性力之差使粒子群分级的操作。轻粒子惯性小，随气流一起改变方向并随气流排出；重粒子惯性大，运动方向不易改变而与气流主体分离。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条