A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.The catalysis of big pore strong acid resin for 1, 4 ...
Richard Coles reviews all of the latest video releases...理查德·科尔斯为所有最新发行的录影带都写了评论。This releases the teacher to work with individuals who are having extreme difficulty.这使得教师可以专门辅导学习特别吃力的学生。Transportation accidents resultin...
他们发誓要为阿波罗神兴建一座神殿.They vowed a temple to Apollo.耶稣, 所罗门, 阿波罗神和其他人都源自那里.Jesus, Solomon, Apollonius and others were initiated there.然而阿波罗神却知道阿奇里斯的弱点并告诉了帕里斯.The god Apollo, however, knew of Achilles'weak spot and told P...