The absorption coefficient of methane is very important for measuring the concentration of methane.We theoretically analyzed the general expression of methane a
Organic light-emitting devices (OLEDs) were constructed with a structure of indium tin oxide (ITO)/N,N’-bis(naphthalen-1-yl)-N’-bis(phenyl)-benzidine (NPB) (5
This research is aimed at the development of computer-aided polishing technology for optical surfaces using magnetorheological (MR) fluid as medium.The mechanis
The optical elements’ maladjustment is a potential threaten in optical systems,thus,the transmission feature of laser beams passing through a misaligned optica
傻子 vs 精神病 成龙的电影《快餐车》里面有这样一个桥段:两个人到精神病院送东西,刚到医院,车胎爆了。下车换轮胎时一不留神,车胎上的四个螺丝全滚到下水道里去了,他在那儿干着急。这时,一个声音对他说:“你从其他三个轮子各卸下来一个螺丝,不就能把这个轮胎固定上了吗?”这两人如梦初醒,忙向给他支招的声音道谢,却发现那个人竟然穿着蓝白条的病服——原来是精神病院里的病人。于是好奇地问:“你不是精神病吗?