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- Selenium is one of the most important metalloid element existing in biotic environment. 硒是生物环境中存在的一种重要的类金属元素。
- Arsenic is a metalloid element, contaminating the environment through leaching from mineral ores, copper smelting, and other industrial and agricultural sources. 砷是一种类金属,往往经由矿脉、铜精炼厂、工业和农业用途,造成环境的污染。
- Arsenic is a metalloid element. 砷是一种金属元素。
- The activation,migration,and redistribution of heavy metal and metalloid elements in reconstructive areas must disturb the balance of geochemistry of mine areas and their vicinity. 矿山重金属和类金属元素在人类改造过的环境中发生的活化、迁移和再分配,必然对矿山开发区和邻近区的地球化学平衡带来新的扰动。
- a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder. 一种三价非金属元素,或呈坚硬的黑色晶体状,或呈黄色或棕色粉末状。
- a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder 一种三价非金属元素,或呈坚硬的黑色晶体状,或呈黄色或棕色粉末状
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- Keywords coal mine dust;dust concentration;metal and metalloid element;coal worker's pneumoconiosis; 煤矿粉尘;粉尘浓度;金属与类金属元素;煤工尘肺;
- He's in his element when playing badminton. 他打起羽毛球来真是得心应手。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- a trivalent metalloid element;occurs both in a hard black crystal and in the form of a yellow or brown powder. 一种三价非金属元素,或呈坚硬的黑色晶体状,或呈黄色或棕色粉末状。
- I'm out of my element in political discussions. 我不喜欢参加政治讨论。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- Polonium is a highly radioactive element and a metalloid. 钋是高放射性的元素,金属。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- The scientists are in search of a new element. 科学家们正在寻找一种新元素。
- He was out of his element at the ball. 他在舞会上感到格格不入。
- There's an element of truth in his story. 他说的有些道理。
- Water is a fish's natural element. 水是鱼的自然栖息地。
- A machine element moved by another machine element. 机械的从动部靠其它机器部件移动的机器部件