Using the composite graphite rods with the sulphide of iron group metals as anode, the double-wall carbon nanotubes have been fabricated by arc discharging under hydrogen atmosphere.
用含有铁族金属硫化物的复合石墨棒作阳极，在氢气氛围下实施电弧放电，制备出了双壁纳米碳管。
The separation mechanism of nickel and iron by sulphide precipitation and process influence conditions were investigated.
研究了硫化沉淀分离镍与铁的分离机理及工艺影响条件。
In this dissertation the technology and fundamentals of pressure leaching of high iron-zinc sulphide concentrate and polymetallic sulphide ore are studied systematically.
锌精矿及多金属复杂硫化矿的加压浸出工艺和理论进行了系统研究。
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