分选的

The direct removal of coal ash by the negative pressure generated by a negative pressure fan,features less investment,simple system,simultaneous carriage and sorting ,and good airtightness,but its stability is poor,and it causes serious wear of pipeline and negative pressure fan as well.

负压取灰是利用负压风机所产生的负压将干灰直接取出的一种取灰方式，具有投资小、系统简单、可以同时实现输送和分选及密闭性好等优点，但是稳定性比较差，对管道和负压风机磨损较为严重。

The author wish this studywin be used in the development of numerical control dividing lathe that can divide intogroups of the size for precise measure of thickness of "compressor carboy hatch soft shim".

并希望将这一研究结果应用于对"压缩机缸盖软体垫片"厚度尺寸精密测量分组的数控分选机的研制。

The author wish this study win be used in the development of numerical control dividing lathe that can divide into groups of the size for precise measure of thickness of ompressor carboy hatch soft shimThe system of pneumatic measure applied widely for component measurement in produce process in factory .

并希望将这一研究结果应用于对"压缩机缸盖软体垫片"厚度尺寸精密测量分组的数控分选机的研制。

The Product Is Suitable for separating the granularity is 0.3-0.02mm of the iron ore,limonite,chromites,trotline,zirconium,retiles,monazite,centimes,wolfram ore,Stan nary,tantalum minerals,niobium minerals and other non feerous metal,rare metal and non metal.

本设备适用于分选粒度0.3--0.02毫米细料的铁矿、钛铁矿、铬铁矿、硫铁矿、锆英石、金红石、独居石、磷乙矿、钨矿、锡矿、钽矿、铌矿以及具有比重差异的其他有色金属、稀有金属和非金属矿物体。

The present invention relates to the method of bauxite floating desiliconization with enriched diaspore coenobium as floated object.

一种铝土矿的浮选方法，涉及以一水硬铝石富连生体为分选对象的铝土矿矿石浮选脱硅方法。

Objective To explore the in vitro isolation of β2m(superscript -)/Thy-1(superscript +) bone marrow-derived liver stem cells which bear double features of stem and liver cells from bone marrow stem cells as so to provide suitable donor cells for the treatment of liver diseases by cellular transplant.

目的 尝试从骨髓干细胞中分选出具备干细胞和肝细胞双重特性的β2m/Thy-1骨髓源性肝干细胞亚群，为细胞移植治疗肝病提供合适的供体细胞。

Various type of precision extension spring with side hook are produced by CNC coiling machine with spring length detectors and selectors to perfectly ensure satisfactions.

现时流得使用的各种形式钩环的拉力弹簧，均由CNC拉簧成型机一次完成，并可由检测选装置进行分选。

The first picture is the external appearance diagram of my store, just a part.the second and the third picture are my the part choose diagram area, so far still in furtherly the change....

第一个图片是我店的外观图，只是一部分。第二和第三张图片是我的部分选图区，目前还在进一步改变中。。。。

You are certainly a go-getter, aren't you?

大部分选A的人：你当然是个能走向成功的人，不是吗？

H.M. Cyclones are a variety of the coal cleaning equipment which has been widely applied to the heavy medium separation.

重介质旋流器是当前重介质选煤中广泛应用的分选设备。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐