The atom at the tip of the chain emitted electrons onto a surrounding phosphor screen, rendering an image of the electron cloud around the nucleus.

碳链末端的原子发射电子到周围的磷光屏，得到原子核周围电子云的图像。

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IR analysis shows that graft copolymerization takes place on the tertiary carbon atom of PP molecular chain.

红外光谱分析表明，甲基丙烯酸单体在聚丙烯大分子链的叔碳原子上发生接枝共聚。

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An exceptional type is represented by silicone resins, in which carbon is replaced by silicon as the basic atom in the chain.

一种例外的类型是硅树脂，其链上的碳原子被硅取代作为链中的基本原子。

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The crux: a six-atom side chain that fit neatly into the thumbhole.

FORBES: The Chemical Cobbler

As the name implies, the atom transfer step is the key step in the reaction responsible for uniform polymer chain growth.

FORBES: Better Science Makes Better Products