硫化铋

而且，硫化铋还会使排泄物变黑。

And bismuth sulfide can also temporarily darken the stool .

这种方法在对硫化铋的形貌尺寸有着精确可控的特点。

This method for bismuth sulfide can make accurate controllability on shape and size feasible .

低品位硫化铋矿氯盐浸出的动力学探析

Study on the Chloride Leaching Kinetics of Low-grade Bismuth Sulphide Ore

但硫化铋就是将你的舌头变黑的罪魁祸首。

But that 's where the discoloration on your tongue comes from .

硫化铋微晶掺杂凝胶玻璃的显微结构研究

Microstructure Study of Bi_2S_3 Microcrystallite Doped Gel Glass

采用硝酸铋和硫脲为先驱原料，以离子液为反应介质，合成了硫化铋单晶纳米棒。

Bismuth sulfide nanorods were synthesized in ionic liquid using bismuth nitrate and thiourea as precursor .

结果表明，在含有乙基硫酸根离子的1甲基3乙基咪唑盐的离子液中，160℃下回流反应，可以得到结晶良好的硫化铋纳米棒，并对其形成机理进行了探讨。

The results show that well crystallized bismuth sulfide nanorods can be obtained by refluxing at 160 ℃ in ionic liquid .

运用化学热力学基础理论和方法研究了硫化铋在无氧化性强酸和可溶性碱金属卤化物溶液中的溶解性。

It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics .

Y:嗯。但是，铋与唾液和胃肠道中微量的硫作用会生成一种黑色的物质——硫化铋。

Y : Right , but the thing is , when the bismuth combines with the trace amounts of sulfur in your saliva and in your gastrointestinal tract , it reacts to form a black substance called bismuth sulfide .

钨矿枱浮硫化矿浸铋新工艺试验研究

A New Technological process of Leaching Bismuth