The navy's notice suggests, though, that boron is back.

然而，海军公告表明硼又回来了。

The only way you can get boron down there, is by the foundering of the ocean crust.

钻石唯一来源就是海洋壳沉没。

So far, the researchers involved have managed to produce one that is 40% boron and yet burns more or less completely.

到目前为止，参与研究研究员已经成功制造出了一种含有40%硼且几乎可完全烧。

Super hardened boron, sharpened with a CO2 laser.

- 超硬硼，使用 CO2 激光打磨。

Over millions of years, the boron continued to move deep underground.

数百万年来，硼继续向下深处移动。

Scientists already knew these diamonds received their blue color from the element boron.

科家们已经知道这些钻石蓝色来自硼元素。

Its fuels are boron (five protons and six neutrons) and ordinary hydrogen, both plentiful.

它是硼（五个质子和六个中子）和普通氢，两者都很丰富。

America's air force experimented in the 1950s with stuff nicknamed zip fuel, which was laced with compounds of boron called boranes.

美国空军在20世纪50年代试验了一种叫做拉链(高型能飞机)东西，这种含有硼烷化合物。

Compounds of boron feature in washing powders and cleaning products (" borax" ), antiseptics and water softeners, and also as additives in fibreglass, but such roles are humdrum.

硼化合物用在洗衣粉和清洁产品(“硼砂”)、防腐剂和水软化剂中，也可作为添加剂玻璃纤维，但这些作用是单调。

The only way you can get boron down there, is by the foundering of the ocean crust. 24 They literally sink deep into the mantle.

在那里获得硼唯一方法是通过沉没洋壳。 24 它们真沉入幔深处。

The project's objective is to " determine a form of boron or a boron-based chemical pathway that leads to implementation of boron in energetic compounds, especially fuels (solid and liquid)" .

该项目目标是“确定一种硼形式或一种基于硼化途径，使硼在高能化合物，特别是(固体和液体)中得以实现”。

After that, for days, thousands of tons of clay, sand, boron, and dolomite, were dropped by helicopter into the burning reactor to quell the fire, but also to try and prevent the spread of radiation.

在那之后几天里，成千上万吨粘土，沙子，硼和白云石，被直升机抛进烧反应堆中以扑灭大火，并试图阻止辐射扩散。