The transformer isolates the transistors with regard to d - c bias voltage .变压器可在两个晶体管之间隔离直流 偏压.In regions with certain isolates of TRV, spraining is more prominent.在具有TRV某些分离物的地区, 坏死是比较显著的.A high - temperature cut - out...
Fortunately, he died nobly at the Alamo , fighting for Texan independence, and thus secured immortality.幸而他在得克萨斯争取独立的战争里在阿拉莫英勇战死, 因而获得不朽.The Alamo was the first defense against the Mexicans.阿拉摩之役是抵抗墨西哥人的首次防卫战.Have you ev...
对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二碳酸二叔丁酯引入叔丁氧羰基来保护,侧链胍基用酸敏感保护基2,2, 4,6,7-五甲基二氢苯并呋喃-5-磺酰基来保护.Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group....
She had been careful to sweeten the deal with a rather generous cash payment.她一直甚为审慎，想要通过支付大量现金促成这笔交易。The pears will sweeten as they ripen.梨子熟了就会变甜.If you sweeten him up he'll do the work for you.你要是哄哄他,他就会帮你干活.The ...