beryllium
英 [bəˈrɪliəm]
美 [bəˈrɪliəm]
n. 铍
BNC.45808 / COCA.32265
牛津词典
noun
- 铍
a chemical element. Beryllium is a hard grey metal found mainly in the mineral beryl .
英英释义
noun
- a light strong brittle grey toxic bivalent metallic element
双语例句
- Study on lightweight beryllium mirror of space solar telescope
空间太阳望远镜中的轻量化铍镜研究 - So, we have beryllium in the first case here, it has four electrons, that's how we know it's beryllium, boron has five electrons.
那么我们将铍作为第一个例子，它有四个电子，这也是我们为什么能知道它是铍的原因，硼有五个电子。 - According to the mechanics property of the beryllium bronze and the structure of the part, the forming characteristics of the bending part is analyzed.
从铍青铜的力学性能和零件的结构要求入手，分析了弯曲件的成形工艺特点。 - However, U.S.reserves total several million tons, and they are now available as a source of beryllium.
然而，美国预备品总数数百万吨，而且他们是现在可得的如铍一个来源。 - Method for chemical analysis of beryllium ores& Determination of beryllium content-catalytic polarographic method
GB/T17414.2-1998铍矿石化学分析方法催化极谱法测定铍量 - A mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium.
作为稀有土壤来源的一种矿物，由铁、铍、铈、钇、铒的硅酸盐矿物构成。 - Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum.
但如果用铝包覆铍，则可避免加工过程中及储存期间的中毒问题。 - Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
一微克，又是一微克，铍是周期表上最有毒的元素之一。 - But it'd have to have a beryllium sphere to contain the apparatus.
但是它需要一个铍球来做容器。 - Examples where lower limit values have recently been proposed include wood dust, respirable silica, and beryllium.
例如木材灰、可呼吸性二氧化矽和铍为最近被提出具较低阈值的例子。