In fact, subsequent work has shown that in a periodic table, elements should not be ordered strictly by atomic mass.
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。
If you didn't get a Periodic Table, swing by the office.
如果你们还没有周期表，可以到办公室来。
But still, he was able to put together a periodic table.
他依然能够将元素周期表制作出来。
And I put a periodic table up there, just the part you might need to look at.
我在上面放了一张周期表，只放了可能要用到的一部分。
So as we go across the row, and this is my beautiful picture of a periodic table here.
那么当我们沿着行向右走的时候，这是我漂亮的元素周期表。
Suppose you want to format this code as a typical cell of a periodic table, as Figure 1 shows.
假设要将这段代码格式化成周期表中的典型单元格，如图1所示。
I tell Aristotle that we have found many more than four basic elements and I show him a periodic table.
我告诉亚里斯·多德我们已经发现了远不只四大基本元素，并且给他展示了元素周期表。
"In case you're ever in a bind and need to calculate a molecular weight, here's a periodic table for your wallet," she told him.
还对他说：“这是个元素周期表，你可以放到钱包里，以防需要计算分子质量，你又想不起来的尴尬场面。”
In places, the water table is declining at a rate of a meter a year, necessitating the periodic deepening of wells and the use of ever-more-powerful pumps.
在一些地方，水位正以每年一米的速度下降，需要定期加深井并使用更强大的水泵。
So, if we look on the periodic table, comparing, for example, s to o, if we have s it's below o, what happens to ionization energy as we go down a table?
那么，如果我们看周期表上，比较，比如，硫和氧，硫在氧下面，当我们沿着表向下看的时候,电离能是怎么变化的？
So let's turn our attention to a new topic, which is thinking a little bit about the periodic table, and also talking about periodic trends.
我们的新主题上，我们将会讨论一点关于元素周期表的知识，同时也会讲一讲周期性规律。
In a world of unreal investments, reality must finally have its day, and there is nothing more real than periodic-table element No. 79 — favored shelter from the financial storm.
而说到实物，再没有比元素周期表79号元素更实在的物质了——一个金融风暴里最受欢迎的避风港。
Two new elements have been added to the periodic table after a three-year review by the governing bodies of chemistry and physics.
经过3年的研究，元素周期表上又增添了2种元素。
To see whether the next magic number is nearby in the periodic table, the experimenters will now try to produce element 120 by bombarding a plutonium target with a beam of iron ions.
无论下一个数字是否就在元素周期表的附近，实验人员都将会尝试通过用一束铁离子轰击钚来制造120号元素。
It is just down the hall from this lecture theater. And you bring the Periodic Table and the Table of Constants and a calculator and something to write with.
就在这件教室下面的大厅那，你们带上元素周期表和常数表，还有一个计算器和一些写的东西。
She gave him a miniature copy of the periodic table of elements.
她给了奥巴马一个元素周期表的微型复制品。
When Dmitri Mendeleev devised his periodic table in 1869, it contained 63 elements; a similar chart in a chemistry classroom now has up to 118 entries.
门捷列夫于1869年制定周期表时，表中包含63个元素，而现在化学课堂中一个类似的图表元素已多达118个。
We'll then take a turn to talking about the periodic table, we'll look at a bunch of periodic trends, including ionization energy, electron affinity, electronegativity and atomic radius.
然后我们再开始讲元素周期表，我们会看到很多周期性规律，比如电离能，电子亲和能，电负性以及原子半径。
For example, it automatically executes the RUNSTATS utility on a periodic basis to update statistics about the physical characteristics of a table and the associated indexes.
例如，它周期性地自动执行RUNSTATS实用程序，以更新关于表及相关索引的物理特征的统计信息。
And there's a lot we can explain by talking about what we see in the periodic table in terms of what different trends are in grouping different elements in different spots within the periodic table.
我们可以解释很多，通过讨论元素，周期表中的内容，按照各种不同的规律，将周期表中不同位置的元素分组归类。
And the fast-talking industrialist has exhausted the rest of the periodic table looking for an element that is a safer power source than palladium.
但这位语速飞快的工业奇才已经翻遍了元素周期表，也找不出一种比钯更安全的替代元素。
The new element, which has yet to be named, slips into a place on the periodic table between elements 116 and 118, both of which have already been discovered.
新元素目前尚未被命名，放入元素周期表的116号和118号元素之间的位置，这两者都已经被发现。
We start with atoms — each with a distinctive positively-charged nucleus and a distinctive array of negatively-charged electrons (think periodic table).
我们开始于原子。每个原子有一个独特的带正电荷的原子核和一些带负电荷的电子(回忆一下因素周期表)。
In 1869, Dmitri Ivanovich Mendeleev, a Russianchemist, published his periodic table of the elements.
俄国化学家门捷列夫在1869年公布了他的元素周期表。
Scientists have written what they believe is the world's smallest periodic table - on a strand of human hair.
科学家在人的一根头发上刻出了他们相信是世界上最小的元素周期表。
Scientists have written what they believe is the world's smallest periodic table - on a strand of human hair.
科学家在人的一根头发上刻出了他们相信是世界上最小的元素周期表。
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