| 释义 |
pe·ri·od·ic law 英ˌpɪriːˈɒdɪk美ˌpɪriˈɑdɪkAHDpĭr'ē-ŏdʹĭk 短语¹³¹⁶²⁰⁺³
基本英英近义反义例句
周期律,门捷列夫定律
Noun:
chemistry the principle that chemical properties of the elements are periodic functions of their atomic numbers近义词 Mendeleev's law机 门得列夫元素周期…
According to the periodic law, based on annular periodic table and some elemental place being changed, designs a three-dimensional trigonal taper of the elemental periodic table.
根据元素周期律，以平面环形元素周期表为依据，改变部分元素的位置，分别以主族、副族、内过渡族为一个侧面，设计出一种立体的三角锥元素周期表模型。 chemyq
He was the earliest one to introduce to domestic readers the periodic law of chemical elements, as well as the first person to work out systematic terms for organic compounds.
他最早向国内读者介绍了化学元素周期律，也是制订有机物系统名称的第一个人。 dictall |