他曾在美国陆军犯罪实验室系统担任过两年的法医药物化学家和法医血清学家。
He served two years in the U.S. Army crime laboratory system as a forensic drug chemist and a forensic serologist.
它是如何问世的：1982年苏格兰化学家和物理学家JamesDewar爵士发明了保温瓶用以防止实验室中的液氮升温而气化。
How it got here: Scottish chemist and physicist Sir James Dewar invented the vacuum flask Iin 1892 as a way to keep liquid nitrogen from warming up and turning into gas in his lab.
这是乔安娜·福勒，她是美国布鲁克海文国家实验室的化学家，2009年度国家科学奖章获得者。
You’re listening to Joanna Fowler, a chemist at Brookhaven National Laboratory and winner of the 2009 National Medal of Science.
这是乔安娜·福勒，她是美国布鲁克海文国家实验室的化学家，2009年度国家科学奖章获得者。
You're listening to Joanna Fowler, a chemist at Brookhaven National Laboratory and winner of the 2009 National Medal of Science.
化学家们在实验室合成有机化合物的时候，常常会得到一堆分子：一半右旋，一半左旋。
When chemists synthesize organic compounds in the lab, they often wind up with a mix of molecules: half are right-handed, and half are left.
西北太平洋国家实验室的首席研究员，地球化学家吉姆·莫兰说：“你在食物中摄取的碳元素会储存在你的头发里，所以你的头发就记录了食物中的碳含量。”
Lead researcher Jim Moran, a geochemist at Pacific Northwest National Laboratory, said: 'The carbon you eat goes into your hair, so hair is a record of carbon ratios.
芝加哥大学的化学家们首次展示了如何使用一个简单的只有几步化学反应的实验室模型来预测血液会在何时何处发生凝固。
Uniersity of Chicago chemists hae demonstrated for the first time how to use a simple laboratory model consisting of only a few chemical reactions to predict when and where blood clotting will occur.
医学生物化学家一般研究疾病的由来，在法医实验室追溯死亡的原因，开发生物农药，或是从事许多其他方面的研究。
A medical biochemist may investigate the causes of disease, trace the causes of death in a forensic laboratory, develop biodegradable pesticides, or engage in many other kinds of research.
德国卡尔斯鲁厄理工学院的化学家彼得·施特摩尔曼声称，他的实验室针对这两种途径都已经取得了进展。
At Germany's Karlsruhe Institute of Technology, chemist Peter Stemmermann says his lab has an approach that will do both.
西北太平洋国家实验室的首席研究员，地球化学家吉姆姆莫兰说：“你在食物中摄取的碳元素会储存在你的头发里，所以你的头发就记录了食物中的碳含量。”
Lead researcher Jim Moran, a geochemist at Pacific Northwest National Laboratory, said: 'The carbon you eat goes into your hair, so hair is a record of carbon ratios.
作为一位著名的化学家以及一家研究实验室的拥有者，于是就开始了研究解决此疾病的解决方案。
Being a notable chemist and an owner of a research laboratory, he had immediately set to learn and develop a solution.
作为一位著名的化学家以及一家研究实验室的拥有者，于是就开始了研究解决此疾病的解决方案。
Being a notable chemist and an owner of a research laboratory, he had immediately set to learn and develop a solution.
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