英语释义

• (chemistry) the mass (in atomic mass units) of an isotope of an element

片语

atomic c mass原子量

relative atomic formula mass相对原子质量

atomic center mass motion原子质心运动

unified atomic mass constant原子质量常量

atomic weight[物] 原子量

atomic c mass constant原子质量常数

atomic c mass conversion factor原子质量换算因子

atomic c mass unit原子质量单位

atomic c mass number原子质量数

atomic c mass formula原子质量公式

英汉例句

• when the atomic mass of target material is 1arger, and the working gas pressure is 1ow enough, a compressive stress in thin films can be produced.

  在靶材原子质量较大并且工作气体压强较低的情形下，可导致薄膜中呈压应力。

• the results show that the motion of atomic mass centre leads to the periodic evolution of the dynamics of the field phase and this period depends on the field mode structure parameter.

  结果表明：原子质心运动导致场相位动力学的周期性演化，场模结构参数决定其周期的大小。

• of or relating to an isotope with an atomic mass greater than the average mass of that element.

  锶的放射性同位素（原子质量数为），存在于核爆炸的原子尘中，能象钙一样被吸收到骨中。

• the product of a solid element「s relative atomic mass and its specific heat capacity is approximately 6.4.

  元素相对原子质量与它的比热容的乘积，大约为6．4。

• and i will go even further and will predict what its atomic mass is.

  我会在深入,还会预测它的原子质量是多少。

• in the first class, we reviewed last class」content which were relative atomic mass and relative formula mass.

  第一节课首先回顾了一下相对原子质量，相对分子质量的定义及计算方法。

• this is 12.011 grams per mole or 12.011 atomic mass units,amu.

  这是12。011克每摩尔,或者12。011原子质量单位。

• the average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.

  一种元素中原子的平均重量，通常相对碳12的重量来表示，碳12的重量定为十二个原子量单位。

• and he found that the middle member of the triad had an atomic mass that was midway between the atomic masses of the end members.

  他发现三元组中间的元素，的原子质量，是位于两端的元素的原子质量，的中间。

• the average mass of an atom of an element, usually expressed relative to the mass of carbon 2, which is assigned 2 atomic mass units.

  一种元素中原子的平均重量，通常相对碳2的重量来表示，碳2的重量定为十二个原子量单位。

• a naturally radioactive carbon isotope with atomic mass 4 and half-life 5,780 years, used in determining the age of ancient organic, geologic, or archaeological specimens.

  一种碳的天然放射性同位素，原子量为4，半衰期为5，780年，用于测定古代生物标本，地质标本或考古遗迹的标本的年代。

• and the other thing to point out, which i don「t know if this is true or not, but does anyone know -- well that」s part's true, does anyone know what the atomic mass of lithium is?

  另外需要指出的一点是，关于这点我不知道是不是真的，有人知道--这部分是真的，有人知道锂的原子量吗？

• you can see the atomic mass unit will be, excuse me. let me go at it a different way.

  你可以看到原子质量单位就是，不好意思，我们换个方式说。

• it has an atomic mass of two deuterium.

  它的质量是等于重氢的质量。

• and so you can look, for example, at the periodic table and, if you look up the atomic mass of carbon, 011 you will see that carbon comes at 12.011 for carbon.

  如你们所见，例如，在周期表中,如果你观察碳的原子质量，你会看到是12。

• as a result, 1/12 the mass of a carbon 12 atom is called one atomic mass unit, which is approximately the mass of one proton or one neutron. also called relative atomic mass.

  因此，一个碳12质量的1／12为一个原子质量单位，近似等于一个质子或中子的质量，又称相对原子质量。

• since 1998 archimedes technology group in san diego has been developing a filtering method that works via atomic mass rather than chemical properties.

  自1998年以来，位于加州圣地牙哥的阿基米德技术公司已经发展了一个过滤法，利用的是原子量而不是化学性质。