铍是最轻的金属,质地坚硬,具灰色外表,存在于绿宝石等矿岩中。铍具有耐金属疲劳、耐腐蚀、绝缘性、无磁性和质地轻盈等优点。它相对不溶于水,却能被油类紧密吸附,在许多食物成分中都可以见到铍的存在。铍在国防与电子工业上有相当重要的用途,但人体吸入金属铍、氧化铍、铍铜合 Beryllium is the lightest metal, hard texture, gray appearance, exist in the emerald ore. Beryllium has metal fatigue resistance, corrosion resistance, insulation, non-magnetic and lightweight texture and so on. It is relatively insoluble in water, but can be closely absorbed by the oil, beryllium can be found in many food ingredients. Beryllium has a very important use in the defense and electronics industries, but human inhalation of beryllium, beryllium oxide, beryllium copper