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
- I might compare it with the chemical formula NaCl, Sodium Chloride. It's a stable, necessary compound.
拿一个化学式来打比方，比如氯化纳，是一种稳定而必要的化合物。 - The molecular structure in the high school chemistry teaching is an essential content, knows the molecular structure regarding the student, thus further understood that molecular the electronic formula, the chemical formula, then the understanding chemical reaction equation has the extremely vital role.
分子结构在高中化学教学中是必不可少的一个内容，对于学生认识分子结构，从而进一步了解分子化学式、化学反应方程式和化学现象有着极其重要的作用。 - 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。 - Results: The chemical formula composition, x-ray diffraction graph, FT-IR and Raman spectrograph were obtained.
结果：获得了晶须的化学组成、X射线粉末衍射图、FT－IR光谱和Raman光谱图。 - Chemical formula: Expression of the composition or structure of a chemical compound.
化学式：化合物的组成或结构的任何一种表达式的总称。 - Nitric acid: Inorganic compound, colourless, fuming, highly corrosive liquid, chemical formula HNO3.
硝酸：一种无机化合物，无色、冒烟、高度腐蚀性的液体，化学式为HNO3。 - 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。 - According to the calculation of chemical formula is a key junior high school chemistry teaching content.
根据化学方程式的计算是初中化学教学中一个重点内容。 - 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。 - 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。