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原子量

na.atomic weight
网络atomic mass; AW; atomic number

原子量

原子量

英-汉网络释义

原子量

na.

1.atomic weight

1

The new scale required only minimal changes to the values that had been used for chemical atomic weights.

依据这个新标度，原先的化学原子量数值只需作很小的变动。

3

The probability of a specific interaction occurring depends on the atomic number of the material and the energy of the gamma ray.

发生特殊相互作用的可能性和物质的原子量以及伽马射线的能量有关。

4

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

科学已经得出这样一个原理：“元素的性质是其原子量的周期函数。”

5

is calculated in practice by summing the atomic weights of the atoms making up the substance 's molecular formula .

实际计算中是把组成该物质分子式的各原子的原子量求和而得。

6

7

The molecular weight of a molecule is the sum of the atomic weights of the constituent atoms.

一种分子的分子量就是构成它的原子成分之原子量总和。

8

So he turned to a data set of atomic weights meticulously gathered by others .

所以，他全力研究由其他科学家颇费心思收集来的原子量数据。

12

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

氢分子仅有两个原子量相同的氢原子所组成。

14

Atoms of the same element that differ in their atomic weight are called isotopes .

具有不同原子量的同一种元素被称为同位素。

15

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。

16

CHEMICAL INDUSTRIES. NAMES AND SYMBOLS OF ELEMENTS . TABLE OF RELATIVE ATOMIC WEIGHTS .

化工 .素名称和符号 .原子量表

18

However , the atomic mass loss in nuclear fusion is slightly more than that of nuclear fission .

然而，核聚变中的原子量亏损比核裂变中的稍多一些。

19

The atomic numbers are nearly , but not quite, the same as the order of the atomic weights.

（连接两个状语）原子序几乎是（但不完全是）和原子量的顺序相同。

20

The highest probability for this effect occurs at low gamma ray energy and in a material of high atomic number.

伽马射线能量较低、物质的原子量较高时发生光电效应的可能性最高。

21

The elements were arranged primarily in order of increasing atomic weight .

元素主要按照原子量增加的顺序排列。

22

Radium, atomic number 88, atomic weight 2260254, is a natural radioelement , elements were derived from Latin, is intended to "ray. "

镭，原子序数88，原子量2260254，是一种天然放射性元素，元素名来源于拉丁文，原意是“射线”。

24

We call atoms of the same element thhave different atomic weights isotopes .

我们把具有不同原子量的同一种元素的原子叫作同位素。

25

Atoms differ in their atomic weights.

各种原子的原子量是各不相同的。

27

It is the nearest whole number to an atom 's ATOMIC WEIGHT .

它是最接近原子的原子量的整数。

28

The atomic weight of an atom indicates how many protons and neutrons in the nucleus .

原子核中质子和中子的量的综合就是原子量。

29

Isotope of hydrogen , chemical symbol 2H or D, atomic number 1 (But atomic weight approximately 2).

氘（亦称重氢）：氢的同位素，原子量约为 2 。

30

A type of atom specified by its atomic number , atomic mass, and energy state , such as carbon14 .

核种由它的原子序数、原子量和能量状况具体确定的一种原子，如碳 14 。

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