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
- 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； - 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。 - He asked the teacher how to apply the chemical formula.
他问老师如何应用化学公式。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。