mass number

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  • n.（原子）质量数
  • Web质数；原子质量数；多数

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Web Definition

mass number
n.
1.
（原子）质量数the total number of protons and neutrons in an atom

Sample Sentence

Definition:
AllAll,质量数质量数,质数质数,原子质量数原子质量数,多数多数
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
Search the site to find in-depth information for the mass number of animals present all over the world.
搜寻网站上找到大规模的动物数量目前在世界各地的深度信息。
sōu xún wǎng zhàn shàng zhǎo dào dà guī mó de dòng wù shù liàng mù qián zài shì jiè gè dì de shēn dù xìn xī 。
www.360doc.com
2.
Chemical element is the general term for the same type of atoms with the same mass number.
化学元素是具有相同核电荷数的同一类原子的总称。
huà xué yuán sù shì jù yǒu xiāng tóng hé diàn hè shù de tóng yī lèi yuán zǐ de zǒng chēng 。
www.nciku.cn
3.
Bosons include mesons, nuclei of even mass number, and the particles required to embody the fields of quantum field theory.
玻色子包括介子、偶质量数的原子核以及体现量子场论中的场所需要的粒子。
bō shǎi zi bāo kuò jiè zi 、 ǒu zhì liàng shù de yuán zǐ hé yǐ jí tǐ xiàn liàng zǐ chǎng lùn zhōng de chǎng suǒ xū yào de lì zǐ 。
www.tdict.com
4.
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。
yóu de tóng wèi sù , yuán zǐ zhì liàng shù wèi , néng jìn xíng chí xù de lián suǒ fǎn yìng 。
www.hotdic.com
5.
In modern life, a mass number of people work day and night to seek wealth and as a result they do not pay much attention to their health.
在现代生活中，大量的人们白天工作并且晚上去放纵，并且作为结果他们忽视了他们的健康。
zài xiàn dài shēng huó zhōng , dà liàng de rén men bái tiān gōng zuò bìng qiě wǎn shang qù fàng zòng , bìng qiě zuò wéi jié guǒ tā men hū shì le tā men de jiàn kāng 。
wenwen.soso.com
6.
Hydrometeor mass, number, and space charge distribution in a "Hector" squall line
“赫克托”飑线的水凝物质量，数量和空间电荷的分布
" hè kè tuō " biāo xiàn de shuǐ níng wù zhì liàng , shù liàng hé kōng jiān diàn hè de fēn bù
edu.cma.gov.cn