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- 水的化学分子式是H0?。 The chemical formula for water is H0?.
- 水的化学分子式是H?O。 The chemical formula for water is H?O.
- 水的化学分子式是H2O。 The chemical formula for water is H2O.
- 盐的化学分子式是 The chemical formula for salt is NaCl.
- 水的化学分子式是H?2O。 The chemical formula for water is H?2O.
- 不是槌的打击，乃是水的载歌载舞，使鹅卵石臻于完美。 Not hammer-strokes, but dance of the water sings the pebbles into perfection.
- 裂化是使较重的低挥发性的碳氢化合物分裂成较小分子的化学分裂。 Cracking involves the chemical breakdown of higher, less volatile hydrocarbons into smaller molecules.
- 水的分子式是什么？ What is the formula for water?
- 水的分子式是什么? What is the formula for water?
- 她曾是芝加哥大学的化学教授。 She was professor of chemistry at Chicago University.
- 与空气中的氧气起作用的化学作用。是印刷油墨干燥的主要方法之一。 Oxidation Chemical action with the oxygen in the air. It is one of the principal ways in which printing ink dries.
- 这些酚类化合物的分子式为: 表儿茶素酸酯是干绿茶中的主要黄烷醇。 The formulas for these phenolic compounds are Epigallocatechin gallate is the main flavanol in dried green tea.
- 她听到马桶冲水的声音。 She heard the toilet flush.
- 石油化工产品是从石油中,从石油的碳氢化合物中提炼出来的化学制品。还可以说成 The name implies, petrochemicals are chemicals made from petroleum, from hydrocarbons found in the latter.
- 那滴水的龙头令我烦躁。 The dripping faucet is fidgeting me.
- 他不懂水和H?O分子式是一回事。 He didn't know that water and H?O are one.
- 同位素是同一元素的不同种类，它们有着相同的化学特性但是原子重量不同。 Isotopes are different varieties of the same element, which have identical chemical properties but differ in atomic weight.
- 水的供应来自总水管。 Water is supplied from the mains.
- 作者通过对水的运动的类比来解释光的运动。 The author explained the movement of light by analogy with that of water.
- 埃文森(1963年)提出的化学相变是产生地震的原因,即使是浅源地震也是这样。 Evison(1963) put forward chemical phase transitions as generators of even shallow focus shocks.
