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I wonder where he intends to find one ? Beryllium sphere ?

我想知道他从哪里可以弄到?铍球?

To detect such a tiny force , the nist team confined about 60 ultra-cold beryllium ions in a device called a penning trap , which uses magnetic and electric fields to imprison charged particles .

为了测出如此微小的力，国家标准和技术学会的团队将大约60个超冷铍离子装在一个叫做“潘宁陷阱”的装置中，该装置是利用磁场和电场禁锢带电粒子的。

Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period .

树木年轮的碳同位素和冰核中钚同位素的检测都显示出在上述阶段的大多数时间内太阳辐射能量出现下降。

It will take tens of thousands of tonnes of steel and concrete , plus a whole host of more unusual materials : beryllium , niobium , titanium and tungsten ; frigid liquid nitrogen and helium .

这需要用到数以万吨计的钢铁和混凝土，还有大量其它稀有物质，比如：铍，铌，钛，钨，冰冷的液态氮和氦。

This is how richard went about trying to split the atom . First , he got a saucepan . Into it he put his radioactive elements the americium and radium . He mixed them up with sulphuric acid and beryllium , and turned on the stove .

理查德尝试原子裂变的过程是这样的：首先，他搞到一口平底锅，将放射性元素镅和镭放入其中；然后再将硫酸和铍混入其中，把锅放在炉灶上加热。