• 基本释义

1.mass number
质量数收藏指正
2.a uranium isotope with mass number 235; capable of sustaining chain reactions.
铀的同位素，原子质量数为，能进行持续的连锁反应。收藏指正
3.a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy.
具有放射性的钴的同位素，原子质量数为，一种能量极高的伽马放射源，用于放射疗法。收藏指正
4.Any of two or more nuclei with the same mass number and atomic number that have different radioactive properties and can exist in any of several energy states for a measurable period of time.
同质异能素两种或更多种具有相同的质子数和原子数，但有不同的辐射特性并能在几种能量状态中的任一种里存在一段可测量时间的原子核中收藏指正
5.a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions; can be assimilated like calcium into bones.
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。收藏指正
6.Investigation for Mass Transfer Properties of New VST Cap Unit (Ⅱ) Measurement for Mass Transfer Efficiencies of Cap and Correlation for Mass Transfer Unit Number
新垂直筛板帽罩单元传质性能研究（Ⅱ）──效率测定与单元数经验关联收藏指正
7.(9) We could mass the largest number of troops in the Lungkang sector.
（九）我在龙冈方向能集中最大兵力。收藏指正
8.number of mass transfer unit
传质单元数收藏指正
9.Packing mark include : product type, mass, product batch, checker number, net weight, total weight.
包装外标识内容包括：型号、数量、生产批号、检验工号、毛重及净重。收藏指正
10.The difference between par-ticle mass concentration and Bosch smoke number is indicated.
指出微粒的质量浓度与波许烟度的不同。收藏指正
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