| 1. | Hydrogen is a product of the reaction between zinc and sulphuric acid .
氢是锌和硫酸反应的生成物。
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| 2. | It is also present in an aqueous solution of nitrourea or a sulphuric acid solution of nitrourea .
它也存在于硝基脲的水溶液或硝基脲的硫酸溶液中。
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| 3. | Health protection zone standard for sulphuric acid plants
硫酸厂卫生防护距离标准
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| 4. | Chromic - sulphuric acid pickle of aluminium and aluminium alloys
铝和铝合金铬硫酸液
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| 5. | Outlook for china ' s sulphuric acid industry in 21 century
21世纪中国硫酸工业发展趋势
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| 6. | The catalyst oxidizing sulphuric dioxide into sulphuric acid
二氧化硫氧化制硫酸催化剂
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| 7. | Situation of china ' s sulphuric acid and phosphate fertilizer in
2004年全国硫酸磷肥生产情况
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| 8. | Study on the cleaner production of sulphuric acid from pyrites
硫铁矿制取硫酸的清洁生产研究
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| 9. | Situation and prospects of sulphuric acid production and demand in china
我国硫酸产需现状与展望
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| 10. | Sulphur and china ' s sulphuric acid industry
硫磺与我国硫酸工业
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