There is this group of about half a dozen right down the diagonal middle of the periodic chart.

沿着周期表的对角线的中间有大约包含六个元素的元素组。

Since the elements were arranged in a periodic chart, it has been widely used all over the world.

自从元素排成周期表以来，周期表在世界各地得到广泛应用。

In the scenario above it seems that there is a periodic event happening every 20 minutes that cause a spike in the load average chart.

在上面的情形中，好像有周期性的事件每20分钟发生一次，从平均负载图上显示的波峰可以看到这一点。

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。

I was thinking about doing something on the periodic table. we can chart when each element was discovered and show how it affected society.

我在考虑做一个元素周期表，把已知的所有元素都列出来，然后展示它们如何影响当今社会。

Well, if we look on the chart, the first ionization energy is what is reported in your Periodic Table.

如果我们查阅图表，一级电离能，已经在元素周期表上标示了。

But for some time now silver prices have been outpacing those of gold (see chart), its flashier neighbour on the periodic table.

不过，近来银价上涨之速已经超过黄金(见图)，银价一直压着它在元素周期表上的光鲜邻居一头。

Utilize the sensitivity and ergodic characteristic of the chaos map, a non-periodic and uniformity distributing multi-chart substitution is designed with multi-iterative equilibrium chaos map.

利用混沌映射具有对初值的敏感性和遍历性等特点，采用多次迭代的一维均衡混沌映射构造了一种非周期、均匀分布的多表代换密码。