介绍了吩噻嗪的制备方法, 主要是二苯胺与硫在催化剂存在下反应的方法.Its preparation method, which mainly reacted by diphenyl amine and sulfur with catalyst, is introduced.本文报道了两种新的吩噻嗪衍生物的合成, 光学及其电化学性质.The synthesis, luminescence and electrochemical prope...
The Vevey Festival was founded 12 years ago under the patronage of Oona Chaplin.沃韦喜剧电影节是12年前在乌娜·卓别麟的赞助下设立的。He was the founder and guiding spirit of New York's Shakespeare Festival.他是纽约莎士比亚戏剧节的创始人及领导者。Chinese people ...
在方化矩形中,组成矩形的各个正方形有可公度的边.The constituent squares in a squared rectangle have commensurable sides.使用一组截面为矩形的互相平行的试条,并将它们粘贴在一薄片上.A series of parallel strips of rectangular section is cemented over a lower sheet.电网络可以用来获得将矩形...
They requested sappers to mend bridges or remove mines.他们要求坑道工兵修桥或拆雷。Flood waters washed away one of the main bridges in Pusan.洪水冲垮了釜山的一座主要桥梁。Dr Bridges is regarded as the world leader in psychosurgery.布里奇斯医生被认为是全球精神外科领域...
Prison is the best sanction against a crime like this.为遏止这类罪行, 监禁手段是上策。The Security Council will consider taking future actions against sanction-busters.安理会将考虑未来采取措施打击破坏制裁的人。He seemed to be preparing to sanction an incre...
During the climacteric may be a transient burst of RNA synthesis.在转换时期的RNA合成可能有短暂的骤增.The climacteric conference approved a draft of the treaty.这次标志着大功告成的会议通过了条约草案.This has been termed the'respiration climacteric ...
西蒙拨完号,把听筒贴在耳边。Simon finished dialing and clamped the phone to his ear.墙面和地板上都贴着瓷砖。The walls and floors are clad with ceramic tiles.她在墙上贴满了十二星座的标志。She covered the walls with the signs of the zodiac....