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

• This paper introduces the mineralogical characteristics of the andalusite which include the physical and chemical conditions of the andalusite formation, crystalline structure, X-ray diffraction, chemical composition, chemical formula of crystal and infrared spectrum.
  本文对该矿床红柱石的矿物学特征，包括红柱石形成的物理化学条件、晶体结构、X射线衍射、化学成分、晶体化学式及红外光谱特征等，进行了系统的研究分析。
• The formula for water Teacher: What the chemical formula for water is the?
  水的分子式老师：水的分子式是什么？
• 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。
• 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。
• Teacher: What the chemical formula for water is the?
  老师：水的化学公式是什么？
• 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。
• Teacher: Donald, what is the chemical formula for water?
  老师：唐纳，水的化学公式是什么？
• 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。
• The chemical formula for water is H2O.
  水的化学分子式是h2o。
• 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。