查询词典 atomic

Isotopes are different varieties of the same element, which have identical chemical properties but differ in atomic weight.

同位素是同一元素的不同种类，它们有着相同的化学特性但是原子重量不同。

Science has laid down the principle that the properties of an element are a periodic function of its atomic weight.

科学发现了这样一条规律："元素的性质是原子重量的周期函数。"

The atomic weight is the relative weight of an atom of the element.

原子量是该元素中原子的相对重量。

Why is the relative atomic weight of 35CL smaller than its mass?

为什么35CI的相对原子质量小于它的质量数？

Who knows the atomic weight of the hydrogen atom?

谁知道氢原子的原子量究竟是多少？

This paper introduces his outstanding contributions to the determination on new values of atomic weight when he was 90 years old.

本文介绍他在90高龄之际在原子量新值测定方面所取得的杰出成就。

Mol anlar weight is express in the same unit as atomic weight.

分子的重量和原子的重量用相同的单位表示。

A hydrogen molecule consists of only two hydrogen atoms with the same atomic weight.

氢分子仅由两个原子量相同的氢原子组成。

Periodic table (1869): Organized array of all the chemical elements in approximately increasing order of their atomic weight.

周期表(1869)：所有的化学元素按它们的原子量逐渐增加的顺序有组织地排列。

Research of neodymium isotopic abundance measurement provides experimental and technical support of determination of neodymium atomic weight.

采用浓缩同位素进行丰度比的测量可以提高丰度测量的不确定度，减小最终结果的测量偏差。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。