1) front-end extraction process
前抽提流程
1.
A front-end extraction process was presented,with the prerequisite without addition of any new equipment.
在不增加工艺装置和设备的前提下,提出了优化裂解原料的前抽提乙烯联合装置工艺流程(简称前抽提流程),即先将石脑油送芳烃抽提装置分离出芳烃,再将抽余石脑油送裂解炉生产乙烯。
2) front-end aromatics extraction process
前置抽提流程
3) early bolting
提前抽薹
1.
Effect of root diameter on early bolting rate and yield in seedling of Angelica sinensis;
当归苗根直径大小对提前抽薹率及产量的影响
4) the extraction prior to pulping
制浆前抽提
1.
The application of biorefinery in the pulp and paper industry includes the extraction prior to pulping, ethanol production, chemicals and structural materials,black liquor gasification, lignin precipitation and biodiesel extraction from tall oil.
生物质提炼在制浆造纸行业中的应用包括制浆前抽提,生产乙醇、化学品和结构材料,黑液气化,木素沉积和从塔罗油提取生物柴油。
5) in advance closure
提前截流
1.
The in advance closure schemes and their reasearch findings on Three Gorges Project s (TGP s) 3rd stage open channel closure are discussed in the article.
论述了三期明渠提前截流方案的综合比较分析及截流水力学试验研究成果。
6) distributaries ahead
提前分流
补充资料：6抽提溶剂油
6(号)抽提溶剂汽油主要成分为C6-C8脂肪烃，分子式CH3(CH2)4-6CH3。水白色透明液体，相对密度(20 ℃／4℃)0.655-0.681。易溶于有机溶剂，难溶于水。挥发速度快，化学性质稳定。易燃，无毒。
用作快干溶剂和稀释剂。贮存于阴凉、通风、干燥的库房内，远离火种、热源。
用作快干溶剂和稀释剂。贮存于阴凉、通风、干燥的库房内，远离火种、热源。
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