They found hydrogen sulphide levels decreased in 80% of participants.

他们发现受试者口腔内的硫化氢含量降低了80%。

Hydrogen sulphide gas bubbles up from oil deposits in the Earth's crust.

硫化氢气体从地壳内的油气储层中溢出。

For example, mercury sulphide, known to painters as vermilion, has a small band gap.

例如，硫化汞，被画家称朱红色，有一个小的带隙。

The gas is a hydrogen sulphide mix that corrodes every surface it lands on.

这种气体是一种硫化氢的混合物，其所到处，必受腐蚀。

The hydrogen sulphide that these men must breathe in is 40 times the safe level.

他们吸进的硫化氢是安全限度的四十倍。

Last year, KoBold announced its discovery of a rich deposit of chalcocite, a sulphide of copper, in Zambia.

去年，KoBold宣布在赞比亚发现了丰富的辉铜矿(一种铜的硫化物)矿床。

The crew found that sulphide particles had stuck to the tape head and open-heart surgery was needed.

工作人员发现硫化物的微粒粘在了磁头上，现在必须拆机。

This quickly degrades into another chemical, dimethyl sulphide, which generations of those subjected to unimaginative school lunches will instantly recognise.

该物质很快会降一种化学物质--二甲基硫，闻到这种物质产生的气味会立刻让人想起千篇一律的学校午餐的气味。

Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide, a major cause of bad breath, in 80% of volunteers.

日本研究者们发现多喝酸奶可以减少80%的受试者体内的硫化氢含量，而硫化氢是口腔异味的主要诱因。

In 1975 a lorry driver, Thomas Carroll, died after inhaling lethal hydrogen sulphide fumes given off by two toxic loads dumped in Pitsea, which made the press across the UK.

1975 年，一名卡车司机托马斯·卡罗尔吸入了倾倒在皮特西的两批有毒货物释放的致命硫化氢烟雾后死亡，这一事件在英国引起了轰动。