查询词典 select flotation

The effective potential range of self-induced flotation of galena and its lower and upper limits have been determined.

给出了方铅矿自诱导浮选电位区域和电位上下限，热力学计算表明了其意义。

On the base of theorial study,ore experiment is made and feasible grind granularity and medicament system and the flow of Galenite flotation firstly is ascertained.

在优先选铅浮选过程中，经一次粗选，一次扫选，两次精选，所得到铅精矿中铅的品位达66.04%，铅的回收率为87.31%，银的回收率为70.40%，在浮选锌时，一次粗选，两次扫选，两次精选，所得锌精矿中锌的品位58.26%，锌的回收率为82.13%，银的回收率为19.36%，取得了银的总回收率达89.76%较先进的指标。最后，对浮选药剂与方铅矿、闪锌矿和银矿物的作用机理进行了深入探讨与分析，认为本实验中所使用的抑制剂和活化剂不会对银矿物的回收产生不利影响。

Then in this disquisition by experiment of selectivity of pure Galenite and sphalerite, the rule is asscertained that the mine slurry pH and different adjust medicament and catch medicament and restrain medicament kinds and dosage affect flotation .

然后本研究通过对纯的方铅矿和闪锌矿物可选性的试验研究，确定了矿浆PH值、不同调整剂、抑制剂、捕收剂及活化剂的种类、混合配比和用量对浮选分离铅锌银矿石的影响规律，提出的适宜pH值范围、药剂种类及用量为实际矿石的铅锌分选和强化伴生银的回收奠定了良好的基础。

ABSTRACT A description was given of the flotation separation of scheelite from other calcium minerals such as fluorite, calcite and garnet in this paper.

本文对白钨矿与萤石、方解石、石榴子石等含钙矿物的浮选分离进行了研究，通过一系列实验室试验和工业试验，研究了白钨矿粗选高碱度工艺和白钨粗精。。。

Methods 2011 students from 4 primary and middle schools were randomly selected, to test intestinal helminth eggs, using saturated saline flotation method.

随机抽取滕州市4所中小学2011名学生，采用饱和生理盐水漂浮法，检查肠道蠕虫虫卵。

Authors presented hydrophobic flocculation flotation, and obtained a very good separation results when separating the artificial mixture of fine rutile and hornblende particles.

提出了疏水絮凝浮选法，在处理微细粒金红石与角闪人工混合矿的分离时，获得了很好的分选指标。

According to the differences in chemical and structural characters of WO42- and MoS42- the actions of them to separator molecular such as bonding, hydrophile/hydrophobia and geometry are discussed by using mineral flotation as reference.

以相似元素钨和钼的分离为例，根据WO42-和MoS42-的结构特征，从价键因素、亲水-疏水因素、几何因素等方面分析了它们与吸附剂的作用，成功选择了有色金属硫化物作为选择性吸附剂，实现钨和钼的高效分离，并进一步探讨了吸附剂的改性优化和其它类似元素的深度分离问题。

The flotation research of mixture of quartz and ironstone also indicate that rhamnolipid can effectively improve separation efficiency.

对石英和磁铁矿的混合矿样进行浮选实验亦表明，鼠李糖脂可有效提高分选率。

SAFETY FIRST: Since you will be by water, all children should wear a life preserver (PFD or Personal Flotation Device).

安全第一。只要在水边，孩子们都应该穿上救生衣。

A snugly-fitting vest-type life preserver offers back and shoulder protection as well as the flotation needed to swim safely in whitewater.

漂流在白水中需要游泳时，一件合适的救生衣可以给你的背部及肩部提供很好的防护，保证你的安全。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。