查询词典 sulphur

This book is about carbon, nitrogen and sulphur pollutants and their determination in air and water.

这本书讲的是碳、氮和硫污染物，以及在空气和水中对其的检测。

Our contribution to tackling air pollution starts with reducing the emissions from our facilities that contribute to smog and acid rain - nitrous oxide, sulphur dioxide (SO2) and volatile organic compounds.

我们对解决空气污染问题的贡献是开始增设减少排放量的设施，使这些设施促进烟雾和酸雨-一氧化二氮，二氧化硫（ SO2 ）和挥发性有机化合物的减少。

Determination of total acidity, and calculation of free sulphur trioxide content of oleum.

发烟硫酸中游离三氧化硫成分的计算和总酸度的测定。

If excesssulphur trioxide is used the mixture consists of , effectively,sulphur trioxide dissolved in pure sulphuric acid this is known as oleum.

如果有多余的三氧化硫被消耗形成三氧化硫溶解在纯硫酸中的混合物，就称为发烟硫酸。

The anhydride groups and acid chloride groups are preferably derived from carboxylic acid groups or oxyacid groups of sulphur and phosphorus.

该酸酐团体和酰氯团体最好来自羧酸群体或含氧酸硫和磷集团。

The existence and uniform boundedness of the global solutions of the model for sulphur dioxide oxidation in a tubular reactor with periodic flow reversal are proved by the invariant domain method.

利用不变区域方法，证明了二氧化硫催化氧化管式反应器流向变换强制操作模型整体解的存在性和一致有界性。

Officials say tests have found Chinese plasterboard emits dangerous levels of sulphur, which could corrode electrical wiring and gas pipes.

有关官员说，实验发现中国产石膏板释放出超标的硫化氢气体，有可能会腐蚀电线以及煤气管道。

Costing a shilling a box,Congreves were splints coated with sulphur and tipped with potassium chlorate.

花费一先令一个盒子，Congreve用夹板涂上一层硫磺并且在末端涂上了氯酸钾。

Sulphur has occasionally been found in the earth in an almost pure state.

在几乎纯状态下才能在地球上偶尔发现硫磺。

Pyrites and non-ferrous smelter gases will remain to be the main sulphur resource for a long time in China for their abundant reserves.

中国硫铁矿及有色金属矿的资源比较丰富，在相当长的一段时间内，预计中国硫原料仍将以硫铁矿和有色金属冶炼烟气为主。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。