1) Group pre-selection
基团预选
2) gene pre-selection
基因预选择
3) Group-Selective Immunoassay (GSI)
选择性基团免疫
4) preconcentration
['pri:kɔnsen'treiʃən]
预选
1.
Design and Research of Dedusting in Jingtieshan Ore Preconcentration;
镜铁山矿矿石预选除尘设计及研究
2.
The fine crushing-wet preconcentration and grinding experiment is done on lean magnetite ore from Inner Mongolia area in China.
对内蒙古某贫磁铁矿进行细碎—湿式预选、预选粗精矿细磨后精选的试验研究,结果表明在采用细碎湿式预选抛尾和BKY型预选用磁选设备的情况下,可以实现低品位贫磁铁矿的低成本开发利用。
5) Pre-concentration
预选
1.
Optimization of the Pre-concentration Process for Meishan Iron Ore;
梅山铁矿石预选工艺优化研究
6) flocculation-flotation
絮团浮选
1.
Properties of flotation tailing from one coal preparation plant analyzed;experiments taken on fine-grinding of coarse slime from such tailing and its separation by flocculation-flotation,giving a concentrate with ash content of 8.
分析了某选煤厂浮选尾煤的性质,在磨机中将尾煤中的粗颗粒煤超细粉碎后,利用絮团浮选法进行分选,可得到灰分为8。
2.
,at first,separation of the slime by conventional flotation to give a relatively low ash concentrate,a tailing containing an ash as high as possible,and a middling to be ultra-fined ground to liberate extensively the inorganic minerals embedded in coal matrix,followed by its separation,in the seamed,by flocculation-flotation to recover additional low ash concentrate.
介绍了煤泥深度浮选的基本原理及其特点,首先采用常规的浮选分选出灰分较低的精煤和灰分尽可能高的尾煤,分选出的中间产物采用超细磨的方法磨至其中的煤和无机矿物充分解离,再采用絮团浮选的方法分选出其中的低灰精煤。
3.
01% yield was achieved by flocculation-flotation of coarse fraction of > 60 mesh in flotation tailing after ultra-fine grinding and a coal-water slurry of 74% concentration and 80 mPa·s visco.
试验研究表明,尾煤中大于250μm的粗粒级经超细粉碎后,采用絮团浮选技术可以分选出灰分为8。
补充资料：基团
“原子团”和“基”的通称。
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