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- hydrogenated alkylated tar 氢化烷化焦油
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Peter had his head in a tar barrel sure enough. 不出所料,彼得陷入了困境。
- Tar is much used in making modern roads. 修建现代公路多用焦油沥青。
- alkylated tar 烷基化焦油
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- They will report on the experiments with coal tar. 他们将汇报煤焦油的试验情况。
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- This kind of tobacco has a high tar content. 这种香烟焦油含量很高。
- Lignite oil is creosote derived from lignite tar. 褐煤油是从褐煤中得来的防腐油。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- White on the outside, black as tar on the inside. 外表皮肤是白,可骨子里却沥青般的黑。
- Oil is hydrogenated to produce a solid fat. 油被氢化产生固体脂肪。
- To add one or more alkyl groups to(a compound. 使烷基化在(一种化合物)中添加一个或多个烷基团
- Shipbuilders caulk wooden boats with oakum and tar. 造船工匠用麻丝和沥青填塞木船缝隙,使之不渗水。
- To add one or more alkyl groups to(a compound). 使烷基化在(一种化合物)中添加一个或多个烷基团
- They put tar on their feet to run in races. 他们赛跑时会把沥青涂在脚上跑步。
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。