atomic number

美 [əˌtɑːmɪk ˈnʌmbər]英 [əˌtɒmɪk ˈnʌmbə(r)]
  • n.原子序数(指原子在元素周期表中的序号)
atomic numberatomic number

noun

chemistry 化原子序数(指原子在元素周期表中的序号)
the number of protons in the nucleus (= centre) of an atom, which is characteristic of a chemical element. Elements are placed in the periodic table according to their atomic numbers .

noun

1
the order of an element in Mendeleyev's table of the elements;equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element

数据来源:WordNet

  1. Transportation Shielding and Surveying of Spent Fuel Elements in SPRR-300 The filter is constructed as a sandwich from three materials of different atomic number .

    300~反应堆乏燃料组件的转运屏蔽与监测屏蔽物由不同原子序数的三种物质的夹层组成。

  2. R is a reference referring to effective atomic number directly .

    R是与有效原子序数直接相关的量。

  3. No change in atomic number is possible without a radical change in properties .

    性质不发生根本的改变,原子序数的改变是不可能的。

  4. Relativity Study On Carbon Atomic Number Of Normal Alkane And Property

    正构烷烃的碳原子数与物性的相关性研究

  5. The filter is constructed as a sandwich from three materials of different atomic number .

    屏蔽物由不同原子序数的三种物质的夹层组成。

  6. What you see is that the radius changes with atomic number for constant electron number .

    对于等电子数的粒子,离子半径随着,原子数的变化而变化。

  7. What I am looking at here is boiling point as a function of atomic number .

    我在看的是非典,作为原子序数的功能。

  8. Quantitative Relation both Elemental Thermal Capacities and Atomic Number

    元素热容量与原子序数的定量关系

  9. One of them here I happened to choose is boiling point versus atomic number .

    其中之一,我已经选择的是,沸点及原子序数。

  10. Relation between ionization energy of isoelectronic atom & ion and atomic number

    等电子原子离子的电离能与原子序数的关系

  11. An element 's atomic number is the number of protons in its nucleus .

    一种元素的原子序数是其原子核中的质子数。

  12. Pro : And it is ranged according to increasing atomic number , which is ...

    教授:它按原子数递增排序,这个原子数就是…

  13. All elements is a substance all of whose atoms have the same atomic number .

    元素是其成分中所有原子的原子序数都相同的物质的总称。

  14. Relationship of crystal ionic radii and atomic number

    晶体离子半径与原子序数的关系

  15. The electron range increases with decreasing atomic number and increasing incident beam energy E0 .

    电子射程随着原子序数的减少和入射束能量E0的增加而增加。

  16. A tabular arrangement of the chemical elements according to atomic number as based on the periodic law .

    以周期律为基础按原子量大小顺序排列的化学元素表。

  17. Whether the Coordination Number Influence Dependence of Static First Hyperpolarizability on the Atomic Number of Alkali Metal

    配体数与电子化物的一阶超极化率的碱金属原子序数依赖性

  18. They have the same atomic number and hence nearly identical chemical Behaviour But different atomic masses .

    它们有相同的原子序数,因此化学行为几乎完全一样,但原子量不同。

  19. The atomic number appears as a subscript .

    把原子系数标在左下角。

  20. PROFESSOR : five & there 's five valence electrons , but the atomic number is actually seven .

    教授:5,有5个价电子,但原子序数是7。

  21. And then , oops , there have been atomic number for which there is no known element .

    有一个质子数量所对应的元素是不知道的。

  22. Moseley 's Law and Atomic Number

    莫塞莱定律与原子序数

  23. The results show that the absorption of metals to X ray is related to atomic number , thickness and X ray energy .

    结果表明,X-射线的吸收与材料的原子序数、厚度及X-射线的能量有关。

  24. The affections of the atomic number , the experimental environment and the noise are showed from principle and-experiment .

    从理论和实验两个角度,描述了物质原子序数对X射线背散射成像的影响、试验环境的影响和噪声的产生机理及影响。

  25. This is because even though z , the atomic number is still increasing , we are also getting further away from the nucleus .

    从有效核电量方面来想一想为什么,这是因为,尽管,Z,原子序数依然在变大,但我们同时也在离原子核越来越远。

  26. The rate of the peak heights for the density of states of TA and LA increases with the atomic number .

    随着原子序数增加,TA与LA的态密度峰高之比递次增大。

  27. The intensity of low energy gamma rays in gamma gamma logging is related to the atomic number of the formation being measured .

    伽玛&伽玛测井中的散射伽玛射线低能部分的强度和地层的原子序数有关,因而能用来对煤层的灰分值作原位测量。

  28. The contribution of 4f orbitals lessens with the increase of the atomic number of lanthanides .

    随着镧系原子序数的增加4f轨道对成键的贡献减少。

  29. And the prediction was that the element , with that atomic number existed someway , but it just haven 't been found yet .

    而预测正是指那个原子数确定但还仍未被发现的元素。

  30. The influence of this effect increases quickly with increase of atomic number . They are the main factors to determine the abnormal phenomena of heavy elements and their compounds .

    随着元素原子序数增加,上述效应的影响迅速增大,这是决定重元素及其化合物反常现象的主要因素。