chemical formula
英 [ˈkemɪkl ˈfɔːmjələ]
美 [ˈkemɪkl ˈfɔːrmjələ]
n. 化学式
英英释义
noun
- a representation of a substance using symbols for its constituent elements
双语例句
- A chemical formula showing the ratio of elements in a compound rather than the total number of atoms.
表示化合物中各成分的比率而非原子总数的化学式。 - He asked the teacher how to apply the chemical formula.
他问老师如何应用化学公式。 - Formula weight: Sum of the atomic weights of all atoms in a chemical formula.
式量:化学术语,即某一化学式中所有原子的原子量之和。 - The abstract may contain the chemical formula which best characterizes the invention.
说明书摘要可以包含最能说明发明的化学式; - The peroxide anion ( chemical formula O22-) is present in peroxides of inorganic compounds.
过氧阴离子(化学式为O2-2)存在于无机过氧化物中。 - Through increasing knowledge span, extending thought depth, clearing up negative transference with regular psychological tendency, strengthening training for variety of chemical formula, efficiency should be increasing to solve chemical problem.
通过增大知识跨度,延伸思维深度,消除思维定势的负迁移,强化变式训练,才能提高解题效率。 - For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
在离子化合物中,正、负离子的比例严格遵守化学公式定义的化合价关系。 - In the chemical formula, the symbol for oxygen is O; for hydrogen, H.
在化学公式中,氧的符号是o,氢是h。 - Man created it, but it has grown too large for the mind of any man to understand in one conception as a mind understands a steam engine or a simple chemical formula.
人们创造了这种机制,但是它变得过于庞大,人们再也无法理解一台蒸汽机或一个简单的化学式那样的方式去理解它。 - A chemical formula based on analysis and molecular weight.
基于分析和分子量的化学式。