| 释义 |
atomic weight əˌtɒmɪkˈweɪt 短语¹⁰⁸⁴⁵
基本英英近义反义例句Thesaurus例句
原子量
Noun:
chemistry the mass of an atom of a chemical element expressed in atomic mass units近义词 atomic mass原子量relative atomic mass〈化〉原子量…
Atoms of the same element that differ in theiratomic weightare called isotopes.具有不同原子量的同一种元素被称为同位素。
Electrons weigh very little, so they aren't even counted in theatomic weight.电子非常轻，因此在原子量中甚至没有计算它。as in.mass number
同义词 atomic mass,atomic number,atomic volume,nucleon number
mass numbernoun protons and neutrons
atomic mass,atomic number,atomic volume,nucleon number 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。 iciba
All uranium atoms do not have the same atomic weight.
并非所有的铀原子都有相同的原子量。 ewteacher.com
An arrangement of56 elements in order of ascending atomic weight made by Newlands in 1863.
1863年，纽兰茨所作。他将56种元素按原子量上升次序排列。 yeebang.com
I can't shake off the nagging sense that something is off kilter; my atomic weight is slightly altered.
我无法摆脱那种有某种东西失去平衡而令人不安的感觉，我的原子量有了轻微的改变。 yeeyan
Isotope of hydrogen, chemical symbol 2H or D, atomic number 1 But atomic weight approximately2.
氘亦称重氢：氢的同位素，原子量约为2。 bab
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。 yeebang.com
Molecular weight: Mass of a molecule of a substance, based on12 as the atomic weight of carbon-12.
分子量：物质的分子质量，依据的事实是1莫耳的碳-12的质量是12克。 tdict
This paper introduces his outstanding contributions to the determination on new values of atomic weight when he was90 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。 cnki
Years later, after a brutal political fight, Marie was awarded the Nobel Prize for chemistry for determining the atomic weight of radium.
几年以后，终于在一次残酷的政治斗争的以后，由于居里夫人确定了镭元素的原子量，而单独地获得了诺贝尔化学奖。 yeeyan
Atomic number18, atomic weight39.948, is a rare gas.1894 by the British chemist Rayleigh and Ramsay found.
原子序数18，原子量39。948，是一种稀有气体。1894年由英国化学家瑞利和拉姆赛发现。 kekenet |