闪锌矿

The electrochemical oxidation of marmatite should not be neglected in the sulfuric acid leaching.

在铁闪锌矿硫酸浸出过程中，其电化学氧化作用不容忽视。

Central South University, Changsha 410083, China）Abstract: The collector and collectorless flotation of marmatite was investigated by flotation tests and FTIR.

摘 要：通过浮选实验和红外光谱测定，考查了铁闪锌矿在无捕收剂或以乙黄药为捕收剂时的浮选行为。

Fe2+ entered the octahedral sites in marmatite in its deposition from mineral solution. This is why the ZnS-FeS solid-solutio...

Fe2+是在铁闪锌矿结晶过程中进入八面体位置的一这是ZnS与FeS之间构成有限固港体的根本原因。

There exist both dimer D2 and diethyl dithiocarbamate salts on the surface of marmatite at open-circuit potential, which can not effectively adhere on the surface of marmatite.

在开路电位条件下，铁闪锌矿表面存在双乙硫氮和乙硫氮金属盐，但不能有效地附着在电极表面。

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。

The iron in the zinc sulphide concentrates mainly comprises marmatite and pyrite.

本文研究出一种可靠的、确定精矿矿物组成的化学分析方法，着重于测定铁在精矿各矿物中的分布，及铁闪锌矿铁含量的变化规律。

Using butyl-xanthate as collector, marmatite can be activated by Cu2+ with the presence of glyceryl-xanthate and then possesses good floatability,while pyrite can't be activated,therewith these two minerals can be separated.

结果表明，用丁黄药作捕收剂，在甘油基黄原酸钠存在下铁闪锌矿能被Cu2+活化从而具有良好的可浮性，而黄铁矿不能被Cu2+活化，从而实现两种矿物的选择性分离。

Marmatite ; pressure leaching ; iron kinetics ; reaction activation energy ; diffusion activation energy

高铁闪锌矿；加压酸浸； Fe动力学；反应活化能；扩散活化能

Under acidic condition, the dimer diethyldithiocarbamate （D2） is formed on marmatite through the electrochemical adsorption of diethyl dithiocarbamate at 0 - 200 mV.

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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。