Paul Nipkow obtains a patent in Germany for TV, using a selenium cell and a mechanical scanning disk.

保罗·尼普可夫获得德国电视发明专利。他在电视技术中采用硒光电管和机械扫描盘。

Selenium is critical for the production of glutathione peroxidase, the body's primary antioxidant that is found in every cell.

硒是生产谷光甘肽过氧化酶的关键，在每个细胞中找到的人体主要的抗氧化剂。

About 40 years later Charles Fritts, an American inventor, built the first solar cell. Made with selenium and a thin layer of gold, the device was less than 1% efficient.

40年之后，美国发明家查尔士•弗里兹(Charles Fritts)用硒和薄金片制造出第一枚光能电池，发电效率低于1%。

Objective: To study the effects of selenium on oral mucosal cell and hepatocyte DNA damage induced by fluorosis in rats.

目的：研究硒对氟中毒诱导的大鼠口腔粘膜细胞和肝细胞DNA损伤的作用。

To study the cell cycle block and inducing apoptosis effect of selenium chitosan on NB4 cells, the cell cycle block effect and inducing apoptosis effect were observed by using flow cytometry.

为研究硒化壳聚糖对NB 4细胞的凋亡及周期阻断作用，用流式细胞法观察了药物对细胞的诱导凋亡及周期阻断作用。