查询词典 tellurium

Using tellurium power and corresponding simple metal salts as reactants, we have prepared a series of nanocrystalline metal tellurides (Cu〓Te〓, CoTe〓, NiTe〓, SnTe, Ag〓Te, CdTe, PbTe) in ethylenediamine system at low temperature (140-180℃).

通过乙二胺体系的溶剂热过程，以碲粉为碲源，从简单金属盐出发，在较低的温度下（140-180℃）成功地制备了一系列纳米金属碲化物(Cu〓Te〓、CoTe〓、NiTe〓、SnTe、Ag〓Te、CdTe、PbTe)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。