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As a part of this key program from China Natural Science Foundation, this research focuses on the electrochemical reactions and oxidization products on the surfaces of jamesonite and marmatite, and on the change of their interfacial structures and their electrochemical mechanisms by various methods of thermodynamic, electrochemistry (such as Tafel, constant potential step, cycle voltammetry, AC impedance) and IR, UV spectra when the collectors, adjusting reagents act with the sulfide minerals in the flotation system so that the electrochemical conditions to float selectively the minerals can be decided.

本研究作为该国家自然科学重点基金项目的一部分，采用热力学、电化学(Tafel、循环伏安、恒电位阶跃和交流阻抗法)以及光谱等多种研究手段，集中研究了浮选体系中脆硫锑铅矿、铁闪锌矿表面的电化学反应及氧化产物，研究这两种矿物与捕收剂、调整剂相互作用时的界面结构变化及电化学机理，阐明了使药剂选择性捕收或选择性抑制这些硫化矿物的电化学条件。

The flotation experiment research about unitary marmatite is carried on .

进行了铁闪锌矿的单矿物浮选试验研究。

The electrochemical adsorption behavior and mechanism of diethyl dithiocarbamate on the surface of marmatite, which are different from the mixed potential model of flotation electrochemistry, were studied by spectrum analysis, CA voltammetry and constant potential step.

采用光谱分析、循环伏安及恒电位阶跃法，研究了乙硫氮在铁闪锌矿表面吸附的电化学行为及机理，该机理与浮选电化学的混合电位模型并不一致。

The electrochemical adsorption behavior and mechanism of diethyl dithiocarbamate on the surface of marmatite, which are different from the mixed potential model of flotation electrochemistry, were studied by spectrum analysis, CA voltammetry and constant potential step.

摘 要：采用光谱分析、循环伏安及恒电位阶跃法，研究了乙硫氮在铁闪锌矿表面吸附的电化学行为及机理，该机理与浮选电化学的混合电位模型并不一致。

In precipition and flotation ,the adsorption properties of caramel,alkaline degradation product to glucose and melanoidin on the surface of freshly prepared calcium phosphate in 20% sugar solution were investigated.

研究在沉降和浮升处理过程中，新生磷酸钙于20％的蔗糖溶液里对焦糖、葡萄糖碱性降解物、类黑素的吸附等温规律。

Stirs the barrel to be suitable for each kind of metalliferous ore, mainly uses in front of the flotation process the agitation, is the medicament and the pulp intensive mixing, also available in other non-metallic mineral agitation.

搅拌桶适用于各种金属矿，主要用于浮选前的搅拌，是药剂与矿浆充分混合，也可用于其他非金属矿物的搅拌。

The factors affecting the middlings flotation have been investigated, including grinding degree, pulp density, agent system, agitation speed and aeration rate, and the best conditions have been obtained.

接着分别从磨矿细度、矿浆浓度、药剂制度、搅拌速度和充气量等方面，对中煤的泡沫浮选进行了条件择优试验，并取得了各因素的最佳数量范围。

Firstly it plays the fine separation role and maintains the separation selectivity, secondly the role of countercurrent-collision mineralization and separation and prerecovering the material with good floatability (the gangue of column flotation as middlings will undergo further separation and recovering).

它首先要发挥精选作用并确保整个设备的分选选择性；然后才是逆流碰撞矿化与分选，预先回收可浮性好的物料（其尾矿还要进一步分选回收）。

Firstly it plays the fine separation role and maintains the separation selectivity, secondly the role of countercurrent -collision mineralization and separation and pre–recovering the material with good floatability (the gangue of column flotation as middlings will undergo further separation and recovering).

它首先要发挥精选作用并确保整个设备的分选选择性；然后才是逆流碰撞矿化与分选，预先回收可浮性好的物料（其尾矿还要进一步分选回收）。

The paper is concerned with its experimental study on the mechanism and effect of Nocardia amarae used as adsorbent for removing Pb2+ from the waste water by way of biosorption-flotation.

以苦味诺卡氏菌作为Pb2+吸附剂，研究了采用生物吸附-浮选法去除废水中Pb2+的效果及其作用机理。

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。