"铍"是个多义词,它可以指铍(第二周期第二主族元素),铍(战国至汉初普遍使用的古代兵器),铍(汉字)。
...:俗称砒,是一种非金属元素,该元素一般都用于玻璃制造上,砷很容易被细胞吸收导致中毒,而玻璃工厂附近已经成为癌症高发地区,苹果说,自从2008年以后,他们就已经告别该元素。 铍(Be):铍会引起与它接触的人的肺部出现问题,而苹果也提到,他们所有的新产品都没有采用铍这种金属元素。
基于1518个网页-相关网页
氧化铍 [无化] beryllium oxide ; BeO ; [无化] Beryllia ; BEO Beryllium Oxide
硝酸铍 [无化] beryllium nitrate
氢氧化铍 beryllium hydroxide
碳化铍 beryllium carbide
氟化铍 [无化] beryllium fluoride ; FliBe
碘化铍 beryllium iodide
溴化铍 beryllium bromide
硅铍钇矿 [矿物] gadolinite ; gabbronite ; ytterbite ; yttroceberyite
氯化铍 Beryllium chloride
In a word,for Be/AlSi/Be,Be/Al/Be,it is concluded that percentage of beryllium in welding zone is key factor to controlling welding joint strength and fracture mechanics.
针对焊接接头在不同使用条件下对接头强度和断裂形式的要求,焊缝中铍含量是重点控制因素。
参考来源 - 铍激光焊接性研究及焊接过程微观组织模拟Meanwhile the method has strong ability to resist interference,This method has been used for the determination of trace beryllium in standard reference soil sample and human hair.
并测定人发样品中的铍,结果满意。
参考来源 - 石墨炉原子吸收光谱技术在生物样品测定中的应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
铍二氟化物极易溶于水,与其它碱土不同。
Beryllium difluoride is very soluble in water, unlike the other alkaline earths.
吸入铍粉末状化合物可导致铍中毒。
Inhalation of finely powdered Be compounds can lead to berylliosis.
绿宝石其实是一种铍铝硅酸盐,而它的颜色则来自于微量的铬元素。
Beryl is a beryllium-aluminum silicate, and its color comes from small amounts of chromium.
So between b e, and b, between n and o, magnesium and aluminum, and then phosphorous and sulfur, what we see here is that we're kind of going down, or quite specifically, we are going down.
比如从铍到硼,从氮到氧,从镁到铝,从磷到硫,我们在这些地方看到有点下降,或者可以明确地说,我们确实在下降。
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。
Look at beryllium 2 plus, very tiny, charge plus two.
例如铍二正离子,非常小,带2个单位正电。
应用推荐