标签：enzyme 相关文章

VOA慢速英语2009年-SCIENCE IN THE NEWS - How Nine Researc

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. VOICE TWO: And I'm Mario Ritter. Today, we will tell about the two thousand nine Nobel Prizes for discoveries in science. We also will tell about progress against acqui

发表于:2018-12-15 / 阅读(188) / 评论(0) 分类 VOA慢速英语2009年（十二）月

VOA慢速英语 2008 0326a

Health Report - New Drug Shows Promise Against Worm Disease Experts worry that the parasite that causes schistosomiasis could become resistant to an existing treatment. Transcript of radio broadcast: 25 March 2008 This is the VOA Special English Hea

发表于:2018-12-15 / 阅读(49) / 评论(0) 分类 VOA慢速英语2008年（三）月

SSS 2011-06-30

At the Lindau Nobel Laureate meeting in Lindau Germany, this will just take a little time than a usual minute. Edmond Fischer won the Nobel Prize in Physiology or Medicine in 1992 for his discoveries with Edwin Krebs about the way protein get activat

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 Scientific American(六)月

萤火虫为何会发光?

【原文】 This week on Why? Tell Me Why! We are answering a viewer question as to why lightning bugs light up. Lightning bugs light up basically to find a mate. Its a way that lightning bugs communicate witheach other, to call each other together,

发表于:2018-12-27 / 阅读(54) / 评论(0) 分类 英语听力广播—Listening

【小龟乐游记】蝙蝠侠：阿甘之城（15）

文本： Mr.Freeze:Where is Cobblepot? Penguin:Well,look who it is.Mister Fr... Batman:Enough.Freeze! Enough. Mr.Freeze:Of course.You will regret what you did.Mr.Cobblepot. Batman:The cure.Freeze. Mr.Freeze:There isn't one. Batman:What? Mr.Freeze:Pe

发表于:2018-12-28 / 阅读(50) / 评论(0) 分类 小龟乐游记英语短文

有声英文阅读-为什么酒精对女性的影响更大？

Why Does Alcohol Affect Women More? Many people assume that women are more greatly affected by alcohol than men because they generally weigh less and have lower rates of drinking. While this is true,

发表于:2018-12-31 / 阅读(54) / 评论(0) 分类 有声英文阅读

SSS 2011-07-01

This is Scientific American's 60 second science. I'm Steve Mirsky. At the Lindau Nobel Laureate Meeting at Lindau Germany. This will just take a little bit more time than our usual may?. Edmond Fischer won the Nobel Prize in Physiology of Medicine in

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(七)月

SSS 2012-06-15

Plants that use animals to disperse their seeds can find themselves in a pickle. Their need to make fruit tasty enough to entice the local fauna, but they also need to make sure that their animal assistants don't digest the very seeds they are meant

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(六)月

英语短文：Cells and Temperature

英语短文：Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 英语小短文

VOA慢速英语 2008 0312a

Health Report - Report Points to Limits of Some Antidepressants Researchers say unpublished studies show Prozac and three similar drugs have significant results only in the most severely depressed. 12 March 2008 This is the VOA Special English Healt

发表于:2019-01-11 / 阅读(93) / 评论(0) 分类 VOA慢速英语2008年（三）月

VOA慢速英语 2007 044a

This is the VOA Special English Health Report. The word metastasize means to change form, state or position. It is not a word cancer patients want to hear. Cancer can spread in a body two ways. As a tumor grows it may invade neighboring tissue or or

发表于:2019-01-11 / 阅读(56) / 评论(0) 分类 VOA慢速英语2007年（四）月

你床上织物中的抗尘螨

Fabric Fights Dust Mites in Your Bed 你床上织物中的抗尘螨 Many people around the world suffer from dust-related allergies. People with allergies have trouble breathing or suffer from tightness in the chest and shortness of breath. Most alle

发表于:2019-01-12 / 阅读(83) / 评论(0) 分类 2015年VOA慢速英语(十)月

中英双语新闻——Facing the invasion of the superbugs

A killer bug spreading across the globe like wildfire sounds like something out of a bad sci- fi film. But while this is still the stuff of fantasy, microbiologists are concerned about the news of an enzyme with the potential to convert all bacteria

发表于:2019-01-19 / 阅读(62) / 评论(0) 分类 中英双语新闻

【英语语言学习】阿司匹林

This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. And Im Faith Lapidus. This week, we will tell the story of aspirin. People have known since ancient times that aspirin lessens pain and lowers high body temperature. But that is not

发表于:2019-01-24 / 阅读(75) / 评论(0) 分类 英语语言学习

SCIENCE IN THE NEWS #2123 - Digest

15 科技新闻摘要（四） DATE=5-8-01 TITLE=SCIENCE IN THE NEWS #2123 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Speci

发表于:2019-01-30 / 阅读(81) / 评论(0) 分类 科技之光

为什么酒精对女性的影响更大

Why Does Alcohol Affect Women More? Many people assume that women are more greatly affected by alcohol than men because they generally weigh less and have lower rates of drinking. While this is true, researchers have found other ways in which women a

发表于:2019-02-16 / 阅读(44) / 评论(0) 分类 英语听力广播—Listening

VOA慢速英语2019--The Rules of Word Stress, Part 1

In English, syllable stress is hugely important for communication. The word stress here means saying part of a word louder and holding the sound a little longer than other parts. For example: movie. I said MO- a little louder and longer than -vie. If

发表于:2019-02-19 / 阅读(68) / 评论(0) 分类 2019年VOA慢速英语(二)月

美国文化脱口秀 第474期:最该引进中国的美国网红食物

五一小长假，是吃喝放松的好时机！哪些美食新潮流值得尝试？快听Jenny和Tara分享这些即将走红中国的美国网红食物！ 关键词： Food trend: 美食潮流 Trendy food: 很流行的食物 Foodie: 吃货 #1.Pok: 生

发表于:2019-02-22 / 阅读(65) / 评论(0) 分类 美国文化脱口秀

TED演讲：细菌是怎样交流的(5)

But then if you think about it, the squid has this terrible problem 但是如果你再深入地想一下，这乌贼会有一个可怕的问题， because it's got this dying, thick culture of bacteria and it can't sustain that. 因为在它的体内，

发表于:2019-03-04 / 阅读(111) / 评论(0) 分类 TED演讲教育篇

TED演讲：细菌是怎样交流的(8)

So we went back to molecular biology and started studying different bacteria, 所以我们回到分子生物学的方法，开始研究不同的细菌， and what we've found now is that in fact, bacteria are multilingual. 我们现在已经发现，事

发表于:2019-03-04 / 阅读(94) / 评论(0) 分类 TED演讲教育篇
最新学习文章
热门学习文章