本试验研究主要是寻求如何从硫化物的尾矿中回收伴生的低品位白钨矿。
The research is mainly exploring that how to recover the accompanying low grade scheelite from the tailings of sulphide.
某低品位氧化型金矿石含有少量硫化物。
The oxidized ore with a lower grade of gold contains a little sulfide.
原料低硫高冰镍为高冰镍经磨浮-磁选分离获得的富含贵金属的磁性产品，主要含有镍合金和少量硫化物。
This magnetic matte was obtained from high grade Ni-Cu matte by floatation-magnetic separation, which enriched in precious metals, and mainly contained Ni alloys and a small quantity of sulfides.
结果表明：低碳球墨铸铁中的石墨是以锰、钙等的硫化物与氧化物作为基底形核并长大形成的。
SEM and TEM examination showed that the graphite in low carbon ductile iron formed nucleus and grew up based on the sulfide and oxide of manganese and calcium.
分析认为，凝固裂纹是沿偏聚在柱状晶晶界的低熔点膜状硫化物形成并扩展的。
Analysis shows that the solidification cracking was always formed and developed along film-like sulphides at columnar grain boundaries.
实验观察，在低硫含量的Q 345实验钢中有纳米硫化物夹杂析出，降低硫含量对钢的强化具有有益作用。
There are inclusions existing within nm in the experimental Q345 steel, the reduce in sulfur content is better for strengthening of the steel.
相反，过渡金属硫化物作为催化剂反应活性低、不容易中毒显示了很高的选择性。
In contrast, transition-metal sulfides are less reactive and susceptible to poisoning and can show higher selectivity.
磁铁矿中钛含量低，矿石中硫含量低，罕见铅锌硫化物矿物。
The contents of ti in magnetite and s in ore are low, with a very small amount of Pb-Zn sulfide minerals.
银具有最高的导电率和导热率，但熔点低，硬度低，易产生硫化物膜。
Silver has the highest conductivity and thermal conductivity, but the low melting point, low hardness, easy to produce sulfide film.
生物脱硫通过微生物的作用，将硫化物转化成单质硫予以脱除，具有运行成本低和无二次污染的特点，有着极好的发展前景。
Biodesulfurization through microbial role will be transformed into single-sulfide to sulfur removal quality, low running cost, no secondary pollution, have great prospects for development.
生物脱硫通过微生物的作用，将硫化物转化成单质硫予以脱除，具有运行成本低和无二次污染的特点，有着极好的发展前景。
Biodesulfurization through microbial role will be transformed into single-sulfide to sulfur removal quality, low running cost, no secondary pollution, have great prospects for development.
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