seabirds nesting on rocky ledges海鸟在岩架上筑巢Worn blackened window - ledges catch the eye , whose delicate carving can scarcely distinguished.有些地方,露出破旧黝黑的窗槛, 细巧的雕刻已经看不大清.Falcons, found worldwide, commonly nest in tree holes o...
Buy a dimmer switch and keep the light on low, or switch it off altogether...买一个调光开关，把灯光调暗，或者干脆把灯关掉。On the other hand , cyclobutane pyrimidine dimmer ( CPD ) just has an effect of cell cycle arrest.而CPD光 产物 ( cyclobutane...
N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺....
AIM : To study preparation of strychnine solid liposome.目的: 探讨番木鳖碱固体脂质体的最佳制备方法.OBJECTIVE To study and improve the synthesis of liposome excipient phosphatidyl ethanolamine.目的研究并改进脂质体辅料磷脂酰乙醇胺的合成工艺.Objective To study effec...
她是几个小企业和小手工艺者的资助人。She is a patron of small businesses and trades.作为如此巨大合作项目的资助人, 相信他会感到自豪.Diderot, the patron of vast collaborations around a great, ambitious goal, would be proud.斯文拜访了医院的3间病房, 他是那家医院的资助人.Sven visited th...
In this economic climate new ideas were few and far between.在这种经济环境下，新想法极为罕见。Successful women politicians are few and far between.成功的女政治家凤毛麟角。People who work as hard as you are few and far between!像你这样努力工作的人真是太少了!...