当测度不是全相加的时,应考虑将它们分成其原子元素。
When they are not, you should consider breaking them down into their atomic elements.
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.
仅仅5年后,一种具有适当原子质量的元素被分离出来,并被发现者命名为镓。
Just five years later an element with the proper atomic mass was isolated and named gallium by its discoverer.
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.
早期的版本并没有为每个原子序数列出一个元素。
Early versions did not list an element for every atomic number.
为了比较陨石和太阳的成分,我们需要利用元素的比率,而不单单是原子的丰度。
To compare the compositions of a meteorite and the Sun, it is necessary that we use ratios of elements rather than simply the abundances of atoms.
然后会出现原子序数,代表了未知元素。
Then, there'd be an atomic number, for which there was no known element.
给定元素的所有同位素都含有相同的质子数,但它们的中子数不同,因此它们的原子质量也不同。
All the isotopes of a given element have the same number of protons, but differ in their number of neutrons, and hence in their atomic mass.
例如在元素周期表中,碲排在碘之前,尽管它的原子质量略大一些。
For example, tellurium comes before iodine in the periodic table, even though its atomic mass is slightly greater.
门捷列夫比迈耶更大胆,他甚至认为,如果测量到的原子质量在表中把一个元素对应于错误的位置,这个原子质量就是错误的。
Mendeleyev was bolder than Meyer and even assumed that if a measured atomic mass put an element in the wrong place in the table, the atomic mass was wrong.
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.
毕竟,太阳中任何元素的原子,比如说铁,都比陨石标本的原子要多得多,但这两种物质中铁和硅的比例可能是可以比较的。
After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable.
事实上,后来的研究已经证明,在元素周期表中,元素不应该严格按照原子质量来排序。
In fact, subsequent work has shown that in a periodic table, elements should not be ordered strictly by atomic mass.
在水中大多数氢原子和氧原子是稳定的,但这两个元素也有微量以较重的同位素形式存在。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
利用原子吸收分光光度法对中药川芎中锌、锰、铁、钙、镁五种元素的形态进行了研究。
Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.
一种元素的所有原子都是相同的,非常好。
它利用的是有关原子数据平面结构、元素之间换行字符的存在以及其他特性的特殊知识。
It exploits special knowledge about the flat structure of the atom data, the existence of newline characters between elements, and other characteristics.
第一步策略是一个在芯片产业上普遍使用的技术,叫做“掺杂”,就是在半导体晶体中加入其它元素的原子。
Their first strategy is a technique, common in chip manufacturing, called doping, in which atoms of some other element are added to a semiconductor crystal.
不同元素的原子,以简单的整数比化合成化合物。
Atoms of different elements combine in simple whole number ratios to form compounds.
同位素是一个特定化学元素的不同原子变种。
Isotopes are different atomic versions of a particular chemical element.
轻原子组成星系,接着是星球,在炙热的星系中所有的元素依次形成。
These atoms clumped first into galaxies, then stars, inside whose fiery furnaces all the other elements were forged.
您可以创建一个序列,其中包含清单1 所示的原子值,以及 清单2 所示的所有元素。
You can create a sequence that contains the atomic values shown in Listing 1, plus all of the elements, as shown in Listing 2.
像所有的金属一样,铁原子与其他元素反应,释放电子形成带正电的离子。
Like all metals, these react with other elements by giving up electrons to form positively charged ions.
分析人员会将规则分解成原子规则元素——尽可能分解且不丢失业务信息的规则定义。
Analysts tend to break rules into atomic rule elements - rule definitions that have been broken down as far as possible without the loss of business information.
用这种方法可以把不同的原子强行粘在一起,直到得到单独的118号元素的原子为止。
The idea was to get one of each type of atom to stick together to become a single atom of element 118.
本文中的一些例子让您记起包含原子数字值的元素和属性是多么常见。
Some of the examples in this article remind you of how common it is for an element or attribute to contain an atomic numeric value.
原子是元素最小的结构单位。
科学家们忙于填补元素周期表的空白、探索未知的原子现象(如放射性和键合)。
Boffins were busily filling in the blanks in the periodic table and probing unknown atomic phenomena (like radioactivity and bonding).
cons将该原子作为第一个元素添加到该列表。
cons将该原子作为第一个元素添加到该列表。
应用推荐