英语释义

• (chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon-12

片语

atomic c weight conversion factor原子量换算因子

unit atomic weight原子重量单位

low-atomic-weight低原子量的

gram-atomic weight the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element

同义词： gram atom

atomic relative weight相对原子量

absolute atomic weight原子的绝对重量

atomic c weight原子量

atomic c weight unit原子量单位

atomic mass[物] 原子质量；原子量

scale atomic-weight原子量标度

英汉例句

• 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?。

• 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。

• this method is based on the difference in atomic weight between yttrium and lanthanides.

  本文利用钇和镧系元素原子量的不同反映在作用后的显色剂吸光度的差异；

• an isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.

  氘氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2。

• molecular weight: mass of a molecule of a substance, based on 12 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。

• atomic number 18, atomic weight 39. 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。

• molecular weight: mass of a molecule of a substance, based on 12 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。 收藏。

• an arrangement of 56 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。

• 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。

• an isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of 2.04.

  氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2.04。