CA上查得的一篇文摘,请大家帮忙? 下面是为了完成老师作业而查的CA,文章不难,只是不知其中的缩写是何意思,请大家帮忙。重谢!! 94:139422 Dichlorobenzene. Milam, Joseph E. (PPG Industries, Inc., USA). U.S. US 4235825 25 Nov 1980, 2 pp. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C07C025-04. NCL: 370210000. APPLICATION: US 79-90841 2 Nov 1979. DOCUMENT TYPE: Patent CA Section: 25 (Noncondensed Aromatic Compounds) The para/ortho product ratio obtained from FeCl3-catalyzed chlorination of benzene or PhCl is increased by adding Et2O as a cocatalysts. Thus, the ratio obtained using FeCl3 along was 1.49; with Et2O added, the ratio increased to 2.38. 查看更多5个回答 . 2人已关注
大家看看这个怎么翻译呢?solar cells? An alternative texturing method that is often used in highly efficient solar cells is to selectively mask the surface of a wafer with silicon dioxide to create an array of square windows separated by a mesh of narrow orthogonal oxide stripes. Alkaline etching then creates inverted pyramids with (111) faces that lack sharp edges and points. 查看更多8个回答 . 1人已关注