And make a monocrystalline copper experiment.
针对单晶铜进行了纳米级切削实验。
参考来源 - 单晶材料纳米级切削机理的研究In this paper, copper-diethyldithiocarbamate colour reaction in paraffin phase has been studied.
系统地研究了Cu-铜试剂(DDTC)在石蜡相显色反应。
参考来源 - 铜试剂It emerged circle and square hole copper each in China in Qin-Han Dynasty, a self special currency system was formed slowly.
中国自秦汉时期出现了圆形方孔的制钱以来,就逐渐形成了一套自身特有的货币体系。
参考来源 - 民国前期(1912年—1927年)中国货币制度研究·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: Cu atomic number 29
同义词: copper color
以上来源于: WordNet
N-UNCOUNT Copper is reddish brown metal that is used to make things such as coins and electrical wires. 铜
Chile is the world's largest producer of copper.
智利是世界上最大的产铜国。
N-COUNT (Often shortened to cop) → a slang word for policeman
ADJ Copper is sometimes used to describe things that are reddish-brown in colour. 铜色的 [文学性]
His hair has reverted back to its original copper hue.
他的头发恢复到了原来的铜色。
Copper pipe is sold in lengths.
铜管按长度出售。
Copper conducts electricity well.
铜的导电性能好。
Bronze is an alloy of copper and tin.
青铜是一种铜锡合金。
They got this name because they wore on their coats a copper penny with the head of an Indian.
VOA: special.2009.10.22
So it looks like most of you got that the electron configuration that we're writing here is for copper.
看来大多数人,都看出了,这是铜原子的电子排布。
So, hopefully, if you were to go back and look you could see that this is, in fact, copper.
因此,我希望大家如果回去再看一遍,这个题目的话,能够知道这是铜原子。
词组短语
应用推荐