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

他们发现受试者口腔内的化氢含量降低了80%。

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

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，化汞，被画家称为朱红色，有个小的带隙。

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

这气体是化氢的混合物，其所到之处，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(铜的化物)矿床。

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

工作员发现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.

该物质很快会降解为另化物质--二甲基，闻到这物质产生的气味会立刻让想起千篇律的校午餐的气味。

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%的受试者体内的化氢含量，而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，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化氢烟雾后死亡，这事件在英国引起了轰动。

This would involve using sulphur or hydrogen sulphide aerosols so that sulphur dioxide would form clouds, which would, in turn, lead to a global dimming.

气雾剂的成分主要是或氢化，这样来二氧化就会形成云层，因而就会实现全变暗。