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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- oxygen copolymer 氧共聚物
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- Solution of a copolymer with acidic groups. 含酸性基的共聚物溶液。
- One of the compounds that constitute a copolymer. 共聚用单体构成共聚物的化合物的一种
- The graft copolymer was indentified by IR. 利用红外光谱对接枝共聚物进行了表徵。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体,例如细菌
- The monomer and copolymer were characterized by IR. 单体及共聚物用IR等进行了表征。
- Homopolymer and copolymer resins of vinyl chloride. 氯乙烯均聚物和共聚物树脂。
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- The SBS block copolymer is one kind. SBS嵌段共聚物就是一种。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。