单词：modification methylase
单词：modification methylase 相关文章
Students, we come from? To hear this question, I am sure you will say that parents are taken to put us up in the world. Yes ah, one day more than a decade ago, our parents happy with tears and smiles to greet the arrival of the U.S.. But when we came
VOA标准英语2018年(五月)
AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n
2016年VOA慢速英语(十)月
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting
Scientific American(三)月
You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t
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Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented
60秒科学
M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi
医务英语
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo
六分钟英语
In defense of science, truth Bi Xiaotian acquired a new habit recently. Every time he opens his web browser, he checks the entry of paraxylene (PX) on Baidu Baike. As one of the participants in correcting the Baidu entry in early April, the 22-year-o
英语笔译
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
DEAUVILLE, France, Oct. 18 (Xinhua) -- France and Germany pondered over（深思,考虑 ） necessary amendments on Monday about the Lisbon Treaty by 2013 in the hope of better responding to(响应) crises. France and Germany consider it necessary to
英语新闻
AS IT IS 2015-09-14 Living in a Shipping Container 集装箱改装成新住宅 Many people do not earn enough money to buy a house in the San Francisco Bay area. Housing prices in northern California can be very high. So, some young people have begun
2015年VOA慢速英语(九)月
外国学生促进美国的创新 Foreign students earning their doctoral degrees in the United States can help revitalize innovation and economic growth. A new study says the U.S. should make it easier for such students to enter and remain in the co
英语新闻
Science and technology 科学与技术 Policing 治安 The aftershocks of crime 犯罪余震 An idea borrowed from seismology may help to predict criminal activity. 从地震学上获取的灵感或许能预测犯罪行为。 LOS ANGELES is one of th
经济学人科技系列
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod
VOA常速英语2013年(十月)
2010上海世博会：浦东主题馆 Theme Pavilions in PudongLocation: Section B, western side of Expo Axis地理位置：会馆轴线西边Ｂ场Floor area: Total area of 80,000 square meters above ground and 40,000 square meters underground占地面
实用英语
2016年最新托福口语题目：通过群落对环境的作用 Task 4 题目文章中介绍的词是autogenic succession, 意思大概是通过群落对环境的反作用使环境条件发生变化，由于这些变化了的条件的作用形成了新
托福英语