The colouring mechanism of re in ceramic pigments was discussed on the basis of their atomic structures. The importance of studying the composition and chromatic mechanism was showed.

本文根据稀土元素的原子结构特点，探讨其在陶瓷颜料中的成色机理。并指出研究稀土陶瓷颜料组成结构和发色机理的重要性。

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The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.

是研究物质，（尤其是原子和分子）的组成，结构，性质和相应化学反应的科学。

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X-ray diffraction (XRD), atomic forced microscopy (AFM) and electronic diffraction spectroscopy (EDS) were respectively used to measure the morphologies, phase structures and composition.

通过X射线衍射（XRD）、原子力显微镜（AFM）、电子衍射能谱（EDS）等手段对薄膜进行了相的形成、结构特性及薄膜组成等的测试。

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They are a function of the instant atomic arrangement, how we arrange the atoms: same composition, simple example, one inch thick pine board, one inch thick plywood.

那是即时的原子排序,的功能，我们如何排序原子，同样的成分，简单的例子，一英寸厚的松木板，一英寸厚的胶合板。

麻省理工公开课 - 固态化学导论课程节选

The company has tweaked the chemical and atomic composition of the raw materials of the glass, which in turn has increased its density -- making it much more scratch and dent resistant than last years model.

ENGADGET: Corning demonstrates how strong its Gorilla Glass 3 really is (video)