Evidence mounts that ancient Nubian brewers purposely made beer so that it contained a dose of antibiotic tetracycline. Christopher Intagliata reports 有证据表明努比亚的啤酒制造者故意在啤酒中加入抗菌四环素。 In 1980, a sci

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 60秒科学

四环素类 美他环素 Methacycline 飞梭霉素, 甲烯土霉素, 甲烯环素 米诺环素 Minocycline 康尼, 二甲胺四环素, 美满霉素, 二甲胺四环素,Vectrin, Minomax, Minocin, Ul

发表于:2019-01-03 / 阅读(49) / 评论(0) 分类 医务英语

In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing greena hallmark of the antibiotic tetracycline. The drug latches onto calcium and gets deposited in bone. Nothing unusual. Except these bone

发表于:2019-01-08 / 阅读(46) / 评论(0) 分类 Scientific American(九)月

Health Report - With Physical Activity, No Need to Be an Olympian This is the VOA Special English Health Report. Watching the Olympics probably made some people feel a little guilty about not exercising. The truth is, if physical inactivity were a sp

发表于:2019-01-08 / 阅读(37) / 评论(0) 分类 2012年VOA慢速英语(九)月

By Trish Anderton Jakarta 29 May 2006 Former South Korean leprosy patient, Oh Chun-duck, participates in an anti-Japan rally for having been forced to stay in isolated leprosariums during Japan's wartime colonial rule (File photo - Oct. 27, 2005) Th

发表于:2019-01-13 / 阅读(121) / 评论(0) 分类 2006年VOA标准英语(五月)

By Catherine Maddux Washington 11 May 2006 An unreleased report by a panel of Nigerian experts says that the U.S. drug manufacturer, Pfizer, violated international and Nigerian law when it conducted a

发表于:2019-01-31 / 阅读(104) / 评论(0) 分类 2006年VOA标准英语(五月)