早期版本的一些元素原子序数不正确。
Early versions had the incorrect atomic number for some elements.
据预测，某个地方存在一种原子序数相同的元素，但它还没有被发现。
The prediction was that an element with the same atomic number existed somewhere, but it just hadn't been found yet.
它是根据原子序数的增加来排列的，原子序数是一种元素单个原子的质子数。
It is arranged according to increasing atomic number, which is the number of protons in each atom of an element.
非金属化学元素，化学符号P，原子序数15。
Phosphorus Nonmetallic chemical element, chemical symbol P, atomic number 15.
屏蔽物由不同原子序数的三种物质的夹层组成。
The filter is constructed as a sandwich from three materials of different atomic number.
氮：气态化学元素，化学符号N，原子序数7。
Nitrogen: Gaseous chemical element, chemical symbol n, atomic number 7.
氡：化学元素，化学符号Rn，原子序数86。
Radon: Chemical element, chemical symbol Rn, atomic number 86.
还讨论了这些物理量随原子序数变化的定标律。
We also discussed the Z-scaling law of these physical quantities.
硼：半金属的化学元素，化学符号B，原子序数5。
Boron: Semimetallic chemical element, chemical symbol b, atomic number 5.
碘：非金属化学元素，化学符号I，原子序数53。
Iodine: Nonmetallic chemical element, chemical symbol I, atomic number 53.
氢：一种轻的化学元素，化学符号H，原子序数1。
Hydrogen: Lightest chemical element, chemical symbol h, atomic number 1.
金与碘相比，有着更高的原子序数和X射线吸收系数。
Compared with iodine, Gold has a larger atomic number and X-ray absorption coefficient.
高密度材料通常由较大原子序数原子构成，例如金和铅。
Materials with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金和铅。
Materialss with high densities often contain atoms with high atomic Numbers, such as gold or lead.
钾：一种碱金属化学元素，化学符号k，原子序数19。
Potassium: chemical element, one of the alkali metals, chemical symbol k, atomic number 19.
周期表中铀以后的任何化学元素(原子序数大于92)。
Transuranium element Any of the chemical elements after uranium in the periodic table (with atomic Numbers greater than 92).
高密度材料通常由较大原子序数原子构成，例如金或铅。
Materials with high densities often contain atoms with high atomic Numbers, such as gold or lead.
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。
The electron range increases with decreasing atomic number and increasing incident beam energy E0.
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。
They have the same atomic number and hence nearly identical chemical behaviour but different atomic masses.
原子序数低的CH薄膜在惯性约束聚变实验用靶的制备中应用很广泛。
Low Z materials such as ch films is useful in ICF targets fabrication.
结论能谱ct测定结石平均有效原子序数可以较准确判定结石化学成分。
Conclusion the effective average atomic number of energy spectrum ct can precisely determine the chemical composition of calculus.
通过对电子结构的分析，发现杂质能级的深浅与掺杂元素原子序数有关。
It was found that the deepness of impurity energy level is related to the atomic Numbers of doped elements by the analysis of their electronic structures.
20世纪，在了解原子结构后，周期表可精确地反映原子序数增加的顺序。
In the 20th century, when the structure of atoms was understood, the table was seen to precisely reflect increasing order of atomic number.
指出选用原子序数小的元素作光纤掺杂剂会有利于光纤抗辐照性能的提高。
In order to improve radiation resistivity, the elements with smaller atomic number should be selected as dopants in both core and cladding of the fiber.
那就是为什么这里说原子序数，但如果没有意图和目的，我们就说是原子质量。
That is why this says atomic number, but for most intents and purposes we can say this could be atomic mass.
和镧的特性相似的一组在化学上有联系的元素，原子序数从57到71；稀土元素。
The set of chemically related elements with properties similar to those of lanthanum, with atomic Numbers from 57 to 71; the rare-earth elements.
介绍了采用切伦科夫探测器在高能双能X射线物质有效原子序数检测中的应用优势。
The advantages of employing Cerenkov detectors in material effective atomic detection of dual-energy X-ray beams are reported.
镧系：周期表中从镧到镏（原子序数57～71）15种按顺序排列的化学元素系列。
Lanthanide: Any of the series of 15 consecutive chemical elements in the periodic table from lanthanum to lutetium (atomic numbers 57-71).
放射性同位素，是指某种发生放射性衰变的元素中具有相同原子序数但质量不同的核素。
"Radioisotopes" refer to a certain type of elements producing radiation decay that have the same atomic number but different mass of nuclides.
放射性同位素，是指某种发生放射性衰变的元素中具有相同原子序数但质量不同的核素。
"Radioisotopes" refer to a certain type of elements producing radiation decay that have the same atomic number but different mass of nuclides.
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