单词：methyl caffeine
单词：methyl caffeine 相关文章
Caffeine is the ＂Drug＂ of Choice in Many Cultures From VOA Learning English, this is Science In The News in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and coffee. We tell about
2013年VOA慢速英语(七)月
Study Finds Caffeine May Help Enhance Long-term Memory 研究发现咖啡因有助于增加长期记忆 From VOA Learning English, this is the Health Report. 这里是美国之音慢速英语健康报道。 Many people say they can not start their da
2014年VOA慢速英语(三)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
Using Caffeine as a Stimulant Joan: Hi, how are you? What are you doing? What is this? Roberto: Whoa! Youre very high- strung this morning. Joan: Am I? I am a little wired. Ive been up all night trying to finish an assignment for one of my classes. R
2013年ESL之就医和人际交往
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
初学者听力文摘精选
Pre-Listening Vocabulary caffeine: a drug found in some plants, including coffee seeds and tea leaves pesticide: a substance that keeps insects or harmful materials away from a plant alert: awake and paying attention ward off: to keep away something
趣谈英语
Joan: Hi, how are you? What are you doing? What is this? Roberto: Whoa! Youre very high- strung this morning. Joan: Am I? I am a little wired. Ive been up all night trying to finish an assignment for one of my classes. Roberto: You dont seem tired at
地道美语播客
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
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
Caffeine Merely Masks Alcohol's Effect An animal study in the journal Behavioral Neuroscience finds that coffee after alcohol consumption might merely make the drinker feel more capable, which could lead to bad decision making. Steve Mirsky reports C
60秒科学
How Do You Like Your Caffeine -- In Tea or Coffee? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and coffee. We tell about a s
2013年VOA慢速英语(五)月
SCIENCE IN THE NEWS - How Do You Like Your Caffeine -- In Tea or Coffee? From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Avi Arditti. And Im Faith Lapidus. Today, we report on caffeine and two popular drinks: tea and cof
2013年VOA慢速英语(三)月
Caffeine Safely Stimulates Premaure Infants Almost all babies who are born very prematurely have trouble breathing. For decades, doctors have treated them with the stimulant caffeine, even though there was little scientific evidence to justify it. Br
VOA标准英语2012年(一月)
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
HEALTH REPORT - Caffeine Withdrawal By Jerilyn Watson Broadcast: Wednesday, January 12, 2005 I'm Gwen Outen with the VOA Special English Health Report. Coffee, tea and soft drinks usually contain caff
健康与经济
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)