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- Water contains hydrogen and oxygen. 水含有氫和氧。
- One that is physically or mentally deficient. 有缺陷的人身心不健全的人
- Water is composed of hydrogen and oxygen. 水由氫和氧組成。
- Deficient in quantity, fullness, or extent; scanty. 不足的,缺乏的在數量、程度或范圍上缺乏的; 不足的
- hydrogen deficient fuel 貧氫燃料
- Molecular Formula and Index of Hydrogen Deficiency (EA and MS) 分子式以及氫不飽和指標(元素分析儀與質(zhì)譜儀)
- Water is composed of the elements hydrogen and oxygen. 水是由氫元素和氧元素組成的。
- The crops are suffering from deficient rain. 莊稼因雨量不足而遭受損害。
- Water may be resolved into hydrogen and oxygen. 水可以分解為氫和氧。
- A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst. 氫化裂解將石油的含氫分子分裂成更簡(jiǎn)單的分子(象汽油和煤油的分子)的過(guò)程,此分裂過(guò)程是在加催化劑及高壓氫氣的條件上進(jìn)行的
- His training in linguistics is deficient. 他在語(yǔ)言學(xué)方面受到的訓練是有缺陷的。
- The petroleum hydrocarbon is called hexane. 己烷是一種石油碳氫化合物。
- Our knowledge of the matter is deficient. 我們對此事了解不足。
- The hydrocarbon must be an alkene. 這個(gè)碳氫化合物必定是烯烴。
- Deficient in conviction or courage; timid. 膽小的,怯懦的缺乏勇氣或決斷的;膽怯的
- The hydrogen is the known the lightest element. 氫是已知的最輕的元素。
- Deficient in emotional warmth; cold. 無(wú)人情味的,冷酷的缺乏感情上的熱忱的;冷淡的
- Deficient in taste, delicacy, or refinement. 不優(yōu)雅的,粗魯的品味、格調或教養不高的
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氫與氧化合成水。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有兩個(gè)氫原子和一個(gè)氧原子。