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- Sulfur can be used to make gunpowder. 硫磺可以用来制造火药。
- surfactant sulfuric 表面活性剂
- A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid. 考察了酸烃比、反应温度、反应时间对磺化反应的影响。
- A new surfactant heavy crude oil sulfonates(HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid. 以大庆黑帝庙稠油为原料,发烟硫酸为磺化剂,合成了稠油磺酸盐。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- Must not protrude above the metal surfact. 尼龙螺母不应高出金属表面。
- A EOR pilot test of WPS surfactant flooding. 活性剂WPS驱提高采收率先导试验研究
- Iron and steel with too much sulfur are red-short. 含硫过多的铁和钢都是热脆性的。
- Wettability is an important property of surfactant. 润湿性是表面活性剂的一个重要特性。
- Acids used in pickling can include sulfuric. 酸浸渍中用的酸有硫酸。
- Sulfur is an essential nutrient for plants. 硫是植物的一种重要的营养元素。
- To eliminate sulfur from(petroleum, for example). 脱硫（例如，从石油中）除硫
- The unionized sulfur species is ??in water. 溶于水中非电离形式的硫即?妗?/UK>
- Isn't sulfur important in chlorophyll formation? 硫对叶绿素的形成很重要，对吗?
- A sulfide compound containing at least two sulfur atoms per molecule. 多硫化物每个分子中至少含有两个硫原子的一种硫化物
- A novel sulphonate oil-displacement surfactant was made in laboratory using ester and fuming sulfuric acid and by hydrolysis and neutralization technologies. 用发烟浓硫酸对油酯进行磺化，水解、中和后制成了磺酸盐驱油剂。
- There was the smell of sulfur, like burning tires. 那味道闻起来像是硫磺,像是燃烧的轮胎一样。
- Control sulfur levels in FCC products. 控制流化催化裂化生产中硫的排放。
- They are also used as the material of ether and ester surfactant. 也用作醚型，酯型表面活性剂的原料。
- Applications of surfactant in oil field have been reviewed. 综述了表面活性剂在油田中的应用。
