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

• 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？
• 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。
• 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。
• 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。
• Teacher: Donald, what is the chemical formula for water?
  老师：唐纳，水的化学公式是什么？
• 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。
• In order to prepare suitable matrix for subsequent handing and to search after full-water blowing technology, we firstly study simple polyurethane foam using our specific synthesis materials and chemical formula.
  为了探索全水发泡技术和为后续步骤制备适宜的聚氨酯基体，在具体的合成原料和化学配方上，我们首先研究了单纯的聚氨酯硬质泡沫塑料。
• 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；
• 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。