【单选题】将连接组别为Y,y8的变压器每相二次绕组的首、尾端标志互相调换,重新连接成星形,则其连接组别为()
【单选题】Do you remember me somewherebefore?
【多选题】经皮给药系统由于能够减轻患者痛苦,提高其依从性等优势,已成为近年来新型给药系统的研究热点。盐酸苯海拉明能消除各种过敏症状,但其中枢抑制作用显著,通过透皮给药系统,能够减少其不良反应,发挥其局部作用。以胆固醇为油相,聚山梨酯-80和司盘-20为表面活性剂制备盐酸苯海拉明微乳,药物透入皮肤总量为32%。推测水溶性的盐酸苯海拉明微乳有可能通过渗透等途径到达真皮层。胆固醇进入皮肤后,通过水化效应,增加皮肤...
【简答题】Do you remember the things happened many years ago ? Do you remember all the names of your friends? Do you have a good memory ? A good memory is a great help in learning language . Everybody learns hi...
【简答题】---Do you still remember the accident? --- Yes, actually. I have experienced nothing________. A. but frightened B. except frightening C. more frightened D. more frightening
【判断题】在艺术构思中,无意识不需要受到意识的指导。 ( )
【单选题】--- Do you remember the first time you with a foreigner? --- Not really, but I remember it was in a KFC.
【判断题】二级调压回路的直动溢流阀的调定压力比先导式溢流阀低