周期律

1
[数] periodic law
元素周期律（Periodic law），指元素的性质随着元素的原子序数（即原子核外电子数或核电荷数）的增加呈周期性变化的规律。
2
periodic patterns
... pentane 戊烷 periodic patterns 周期律 Periodic Table 周期表 ...
3
periodic law of chemical elements
... mendelev periodic law of elements 门捷列夫元素周期律 periodic law of chemical elements 周期律 periodic law of geographic zonality 地理地带性周期律 ...
4
periodic c patterns
... p-block k p区 periodic c patterns 周期律 periodicity % 周期性 ...

短语

1
镓表现出的性质与门捷列夫对“铝下元素”的预测密切对应，为周期律提供了有力的支持。
The close correspondence between the observed properties of gallium and Mendeleyev's predictions for eka-aluminum lent strong support to the periodic law.
2
好的，这是一个关于使用元素周期律的反例。
All right. So that is an anti-example of using periodic trends.
3
本文对周期律的“不规则性”及其理论阐释进行了探讨。
In this paper, the "Irregularity" and Its theoretical interpretation for periodic table have been discussed.

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