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- hydrogen chain compounds 氢链化合物质
- Vitrinite is mostly composed of aromatic compounds,in addition to large amount of short aliphatic-side chain compounds. 与此相反,丝质体结构组成中芳香烃占绝对优势,而脂族结构含量则很少;
- The exponent-type homologous linear rule of organic homologs was verified by using the electronic spectra of chain compounds of conjugated polyene. 用共轭多烯链状化合物电子光谱的数据，对指数型同系线性规律进行验证。
- Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds. 通过模拟实验发现硫能和各种链状化合物反应形成噻吩系列化合物。
- For the combination type of mechanical &electrical drilling rigs, i.e.JD &LD, the drawworks is driven by narrow V-belt and chain compound drive. 机械驱动与电驱动混合型钻机，即JD、LD型，后台采用窄V带并车或链条并车，前台采用交流变频电机驱动转盘。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- The chain has fallen foul of plants in the water. 链条已和水中的植物缠绕在了一起。
- She has a gold chain about her neck. 她在脖子的周围挂着一根金项链。
- Compounds such as methane can be cleaved to carbon and hydrogen. 象甲烷这样的化合物能分解为碳和氢。
- The chain has run foul of some plants in the water. 铁链缠在水中的一些植物上。
- Water is the compound of oxygen and hydrogen. 水是氢氧化合物。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- These two pieces of the chain hook together. 这两个链环套在一起。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- He detached a link from a chain. 他从链子上拆下一个链环。
- The anchor chain took charge and ran out. 锚链失去控制而滑了出来。
- A pendant worn on a chain around the neck. 垂饰挂在脖子项链上的垂饰物
- He runs a chain of pasta restaurant. 他经营着一个面食餐馆联号。
