beryllium

noun

1. 铍
   a chemical element. Beryllium is a hard grey metal found mainly in the mineral beryl .

1. Beryllium, chromium, nickel, vanadium and their chemical compounds;
   铍、铬、镍、钒及其化合物；
2. Cytotoxicity and Genotoxicity of Beryllium Sulfate to Human Embryonic Lung Fibroblast
   硫酸铍对人胚肺成纤维细胞的细胞毒性和遗传毒性
3. Optimization design and analysis of the structure of beryllium mirrors of astronomical instruments in space
   空间天文仪器中的铍镜结构优化设计分析
4. 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。
5. Furthermore, beryllium bronze substrate energy transferring elements are found to be superior to steel substrate energy transferring elements.
   铍青铜基片换能结构要优于钢基片换能结构。
6. 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。
7. Company products are mainly divided into three categories: Explosion tools aluminum bronze, the two Beryllium Bronze material.
   公司产品主要分为三大类：防爆工具有铝青铜、铍青铜两种材质。
8. Effects of Beryllium on High Temperature Oxidation Behavior of Al-34% Mg Eutectic Alloys
   铍对Al-34%Mg共晶合金高温氧化行为的影响
9. MOVABLE CONTACT: Beryllium copper alloy, gold over nickel plate.
   游动联系人：铍铜合金，镀镍板。
10. 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。
11. But ignorance and misinformation about the health hazards of beryllium die hard.
    关于健康的破坏物铍的无知和误传是很顽固的。
12. 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。
13. Once inhaled, beryllium is like a time bomb in the body.
    一旦人体吸入这些物质，铍就象在身体里的***。
14. He had never expected that working around "a little beryllium" would someday destroy his lungs.
    他从来没有想过，在“一点儿铍”的边上工作，有一天会毁了他的肺。
15. A rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone.
    一种稀有的、坚硬的黄绿色矿物，由铝酸铍构成，呈结晶状，用作宝石。
16. 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。
17. Made of light-weight beryllium, the mirror is covered in gold, and divided into eighteen linked parts.
    主镜片是由重量轻的铍制成，表面镀金，被分割成18块互相连接的部分。
18. It just can't be any other way with a polypropylene, aluminium, beryllium, ceramic or titanium speaker cone and your plastic-lacquered mdf-board speaker enclosures.
    它只是不能有任何与聚丙烯，铝，铍，陶瓷或钛扬声器锥和您的塑料漆中纤板扬声器外壳的其它方式。
19. Explain why barium forms a peroxide but beryllium does not.
    解释为什么钡能形成过氧化物而铍则不能。
20. However the toxic properties of beryllium limit its application.
    然而铍的毒性限制了它的作用。
21. Fabrication of a beryllium mirror used in optical system.
    光学系统用铍镜的制备。
22. 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。
23. 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
24. 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
25. 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。
26. Beryllium copper Alloy and Castings Components, Characteristics: ① Able to cast small pins of glasses frame;
    铍铜合金眼镜铸件，产品特点：①丝通及其螺丝铸造成型；
27. The chief source of beryllium; colored transparent varieties are valued as gems.
    铍的主要来源，各种有色的透明绿玉与宝石价值相当。
28. The X-ray input window is made of aluminum or beryllium.
    其中，X射线入射窗的窗材是铝或铍。
29. Beryllium metal, particularly in alloys, has many structural and thermal applications; it is used in nuclear reactors.
    金属铍，尤其是铍合金，有许多结构上和热学上的应用；用在核反应堆中。
30. 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。

noun

1. a light strong brittle grey toxic bivalent metallic element

   Synonym:    Begluciniumatomic number 4