[生化] 蛋白质生物技术

> 08 欧洲关于规范基因食物的新准则 DATE=3-13-01 TITLE=AGRICULTURE REPORT - European Rules for Biotech Foods BYLINE=George Grow (Start at 59

发表于:2018-11-27 / 阅读(357) / 评论(0) 分类 自然探索

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是,如果一对氨基酸的一个侧链折叠后很长,

发表于:2018-12-05 / 阅读(92) / 评论(0) 分类 经济学人科技系列

By Efam Dovi Accra 31 March 2007 Ministers from the Economic Community of West African States have agreed to use biotechnology to increase food production in their region. The agreement was reached at the third ECOWAS ministerial meeting on biotechno

发表于:2018-12-08 / 阅读(100) / 评论(0) 分类 2007年VOA标准英语(三月)

New Urine Test Offers Quick, Painless Check for Malaria The Nigerian government is encouraging use of a new home test kit to diagnose malaria, in hopes that citizens don't assume they have the disease and self-medicate every time they have a fever. T

发表于:2018-12-08 / 阅读(100) / 评论(0) 分类 VOA标准英语2016年(四月)

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(73) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 Scientific American(九)月

V. Lets Talk Script Correspondent: In the U.S. what percentage of people support biotech crops? And do those who support biotech crops also eat biotech foods? What percentage of food on the market has genetically modified ingredients? Professor: U.S.

发表于:2018-12-29 / 阅读(56) / 评论(0) 分类 新视野大学英语:视听说教程 4

Merck of Germany announced plans to buy Swiss Pharmaceutical company Serono for 10.6 billion euros. Earlier this year Merck failed to acquire German competitor Schering, and recently pharmaceutical companies such as GlaxoSmithKline and Novartis had

发表于:2018-12-30 / 阅读(66) / 评论(0) 分类 初级商务英语听力2006

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(五)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(十)月

Faiza Elmasry | Washington, DC 24 November 2009 From biology to ecology to medicine, the biosciences are recognized globally as dynamic drivers of modern economic progress. For young college graduates, majoring in one of the biosciences can open a w

发表于:2019-01-14 / 阅读(64) / 评论(0) 分类 VOA标准英语2009年(十一月)

74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E

发表于:2019-01-22 / 阅读(150) / 评论(0) 分类 科技之光

How did you find this wreck? 你是如何发现残骸的 Saw the beamer get hit and fly off, figured it was trying to regroup with its forces, 眼看激光飞船被击中后飞速逃离,我猜他们一定是想重组兵力 so I followed the course

发表于:2019-01-29 / 阅读(105) / 评论(0) 分类 陨落星辰第二季

古巴生物技术产业有望在五年内翻一番 HAVANA, April 24 (Xinhua) -- Cuba's biotechnology industry is expected to double over the next five years, bringing in more than five billion U.S. dollars in export revenues, officials said recently

发表于:2019-02-06 / 阅读(65) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(117) / 评论(0) 分类 英语新闻

1. An AP investigation finds pharmaceuticals in the drinking water of at least 41 million Americans. Scientists state the concentrations are tiny, but theyre concerned about the long-term consequences to human health. Utilities, meanwhile, insist th

发表于:2019-02-11 / 阅读(124) / 评论(0) 分类 美联社新闻一分钟2008年(三)月

There has been a lot of research done on the significance of food combining when we eat. Many believe that our stomach is designed to only digest food correctly one food type at a time or eating foods together that are compatible with each other. Thi

发表于:2019-02-14 / 阅读(147) / 评论(0) 分类 阅读空间

He and his colleagues noted parallel changes in the genes for three digestive enzymes whose job is to liberate two particular amino acids, lysine and arginine, from proteins. 他的团队发现三种消化酶基因相似的改变,这些消化酶的作

发表于:2019-02-16 / 阅读(82) / 评论(0) 分类 经济学人科技系列
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