chemical formula

英 [ˈkemɪkl ˈfɔːmjələ]

美 [ˈkemɪkl ˈfɔːrmjələ]

n.  化学式

医学化学

英英释义

noun

• a representation of a substance using symbols for its constituent elements
  Synonym:formula

双语例句

• He asked the teacher how to apply the chemical formula.
  他问老师如何应用化学公式。
• Cell parameters and chemical formula of these crystals were also determined.
  计算了3种合成晶体的晶胞参数和化学分子式。
• Teacher: Donald, what is the chemical formula for water?
  老师：唐纳，水的化学公式是什么？
• A chemical formula based on analysis and molecular weight.
  基于分析和分子量的化学式。
• The chemical formula for water is H2O.
  水的化学分子式是h2o。
• 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。
• 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。
• Teacher: What the chemical formula for water is the?
  老师：水的化学公式是什么？
• 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。
• 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。