英：['veɪləns]
美：['veɪləns]
valence如何读
valence是什么意思
n. (名词)
- 原子价
- 【化学生物学】价
- 【化学生物学】数价
- 化合价
- 化学价
- 原子价数
- 效价
- 瓦朗斯（音译名）
valence自然拼读
va·lence
veI lns
valence扩展
valency (n.)
valence词根
词根：valency
n.valency [化学] 化合价；[化学] 原子价
valence英英释义
noun
the degree of combining power of an element as shown by the number of atomic weights of a monovalent element (such as hydrogen) with which the atomic weight of the element will combine or for which it can be substituted or with which it can be compared
relative capacity to unite, react, or interact (as with antigens or a biological substrate)
[in part from valence in chemistry, in part borrowed from Late Latin valentia "power, capacity," noun derivative of Latin valent-, valens, present participle of valēre "to have strength, be well" — more at wield] the degree of attractiveness an individual, activity, or thing possesses as a behavioral goal
the relative potency of the valences of success and failure—Leon Festinger
geographical name
commune in southeastern France south of Lyon population 63,405
valence词组
valence electron价电子
valence bond[化]价键
valence band价带
valence shell价电子层
valence state价态
valence词源中文解释
15世纪初，“提取，制备”，源自拉丁语词语 valentia “力量，能力”，来自形容词 valentem（作为名词时为 valens），意为“强壮的，敦实的，有活力的，强有力的”，是 valere 的现在分词，其意为“强壮”的 PIE 词根 *wal-。1884年记录了化学意义上的“元素在形成化合物或分子时与其他原子相对结合能力”，源自德语词语 Valenz（1868），来自拉丁语单词。相关词汇： Valency。
valence_化学行业词汇
化合价
valence_医学行业词汇
化合价，原子价：化学上表示一元素在化合物中结合力的正数，即一个元素的原子能结合或置换氢原子(或与其等价的其他原子)的数目
一种元素的特征可以其价数来表示，有单价、二价、三价或多价元素。原子价由原子外层的电子数目决定
效价：在免疫学上，大多数抗体分子都有两个结合部位(即两个抗原结合点)，称为二价抗体，IgG、IgA、IgE免疫球蛋白即属此类
IgM分子常为五价，虽然从理论上讲应有10个结合点
同样，一个抗原的价可用与抗体结合部位(即抗原结合点)的数目来表示，多数大分子抗原是多价的
价也可表示菌苗中
valence词源英文解释
borrowed from German Valenz, short for Quantivalenz "(chemical) valence," borrowed from English quantivalence, from Latin quantus "how much" + -i- -i- + English -valence, noun derivative from -valent, in univalent >entry 1, bivalent >entry 1, etc., on the model of equivalent, equivalence — more at quantity
The first known use of valence was in 1884
valence儿童词典英英释义
validadjective
legally binding
founded on truth or fact
a valid argument
valiant1 of 2adjective
boldly brave
done with courage : heroic
valiant2 of 2noun
a valiant person
valiant1 of 2adjective
boldly brave
done with courage : heroic
valiant2 of 2noun
a valiant person
valetnoun
a male servant who takes care of a man's clothes and does personal services
a hotel employee who does personal services for guests
valetnoun
a male servant who takes care of a man's clothes and does personal services
a hotel employee who does personal services for guests
valentinenoun
a sweetheart given something as a sign of affection on Valentine's Day
a gift or greeting sent or given on Valentine's Day
valentinenoun
a sweetheart given something as a sign of affection on Valentine's Day
a gift or greeting sent or given on Valentine's Day
valencenoun
the combining power of an atom as shown by the number of electrons in its outermost energy level that are lost, gained, or shared in the formation of chemical bonds
valence医学词典英英释义
valencenoun
the degree of combining power of an element or radical as shown by the number of atomic weights of a monovalent element (as hydrogen) with which the atomic weight of the element or the partial molecular weight of the radical will combine or for which it can be substituted or with which it can be compared
a unit of valence
the four valences of carbon
relative capacity to unite, react, or interact (as with antigens or a biological substrate)
the degree of attractiveness an individual, activity, or object possesses as a behavioral goal
the relative potency of the valences of success and failure—Leon Festinger
valence 例句
1 Carbon has a valence of four.
碳的化合价是四价.
2 And he's stripped off all of the non-valence electrons.
他忽略了所有非价层电子。
3 In the third act, a revelation upends both the entire narrative and its emotional valence.
4 Because it is not the valence shell. Forget about it.
因为它不是价层电子，所以忘记它吧。
5 Religion was now officially stripped of its political valence for the first time in European history.
6 Hydrogen is a one - valence element.
氢是一价的元素.
7 Unlike the deep defects, they are not located in the middle of the band gap, but very close to the valence or conduction band.
8 The electrons then fall back into the valence band and become worthless in terms of electricity generation.
9 In the preceding section we discussed the valence bond ( VB ) or electron - pair theory of bonding.
在前面一节,我讨论了价键法——电子配对理论.
10 It's got a very low average valence electron energy.
它的平均价电子能很低。
11 Audiences today tend to accept that all entertainment has a political valence, but that idea was a hard sell in 1971.
12 In the valence bond treatment , explicit recourse is made to classical, localized bond structure.
价键法明显依赖经典的定域结构.
13 Those brief moments in the second act of Noel Coward’s “Private Lives” change the valence of the whole show, from a manic verbal jousting match to something uglier and more threatening.
14 When it is in this condition, the atom is said to be in a valence state.
当它处于这种状态时, 这个原子就可说是处于价态.
15 Scenes that are topical one season can take on unexpected valences the next.
16 There has long been a political valence to pop culture, and, separately, a fan participation that bordered on grass-roots activism.
17 When I asked her why, she compared her swirl of languages, with their varying tones and expressions and valences, to an artist’s palette.
18 It’s here where the precise valence of the term “access” gets a little murky.
19 It’s not just creepy images: the word has acquired new valences, has come to signify increasingly generalized feelings of anxiety and malaise.
20 And now the tiny, pristine sphere of positive charge of my physics education has become a sea of quarks and antiquarks with three valence quarks bobbing on its surface, all held together by gluons.
valence 同义词
2 效价
4 化合价
5 原子价之单位
valence 短语相关
valence band
valence electron