1) fraction entrapment
分步捕获
2) step by step
分步
1.
The basic principle and technologies for producing internal-combustion engine crankshaft blank of great merit with electroslag step by step casting were introduced.
阐述了采用电渣分步熔铸法生产大功率内燃机曲轴毛坯的基本原理及工艺,并通过各种检测结果表明,曲轴的冶金质量达到了内燃机曲轴性能条件要求。
3) fractional
分步
1.
The principle and characteristic of continuous multistage fractionalcrystallization process are introduced.
介绍了连续多级逆流分步结晶过程的原理和特点。
2.
This work made a research on the process of continuous multi-stage countercurrent fractional crystallization, and the mixture of p-dichlorobenzene and o-dichlorobenzene was introduced as experiment object.
以连续多级逆流分步结晶过程为研究对象,以对、邻位二氯苯同分异构物体混合物为实验物系,考察了物料浓度、回流比、晶体床层高度、搅拌作用等操作参数对操作直线和分离效率的影响。
4) stepwise synthesis
分步合成
1.
Tunable solid-state dye laser with P567 doped sample made by novel stepwise synthesis technique;
新型分步合成法制备的P567固态染料可调谐激光器
5) second dary intercalation
分步插层
6) two-step cluster analysis
分步聚类
1.
on the basis of previously urban vegetable product pollution control system which has been established by Multivariate statistical methods,this article uses two-step cluster analysis for vegetable product pollution space to cluster and makes use of nonparametric discriminant analysis for its.
本研究提出“两线一点实时监测预警”的一套方法来完善已经建立的城市蔬菜品种污染监控系统,即在由多元统计法建立的城市蔬菜品种污染监控系统研究基础上,利用分步聚类法对蔬菜品种污染空间进行分步聚类,同时采用非参数判别法对儿污染状态进行识别分析。
参考词条
补充资料：分步结晶
一种古老的用于分离化学性质相近的金属化合物的方法。此法依靠化合物间溶解度的微小差别，通过重复操作而达到分离的目的。钽、铌复合氟化物（如K2TaF7和K2NbOF5·H2O）的分步结晶，锆、铪复合氟化物（如K2ZrF6和K2HfF6）的分步结晶,铷、钾草酸盐的分步结晶，轻稀土硝酸盐和硝酸铵(或硝酸镁)复盐的分步结晶等，都曾经在工业上应用。此法近年来虽然多被溶剂萃取法和离子交换法所代替，但在某些条件下仍然应用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。