[化] 乙酰苯酰; 苯丙二酮; 丙酮酰苯; 甲基·苯基二酮; 甲基·苯基二甲酮

President Barack Obama and his Treasury Secretary Timothy Geithner officially unveiled the administrations latest revamping of its financial rescue package today. Speaking to build as a three-prompt effort to draw private investors into a partnershi

发表于:2018-12-02 / 阅读(133) / 评论(0) 分类 2009年NPR美国国家公共电台3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

发表于:2018-12-16 / 阅读(82) / 评论(0) 分类 2016年VOA慢速英语(十)月

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(139) / 评论(0) 分类 万物简史

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

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(三)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

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(84) / 评论(0) 分类 初学者听力文摘精选

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

发表于:2018-12-28 / 阅读(85) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(80) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-01-03 / 阅读(132) / 评论(0) 分类 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

发表于:2019-01-06 / 阅读(165) / 评论(0) 分类 农业与发展

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(十一)月

由于环境原因,世界上很多旅游景点在将来的某一天可能会消失,意味着没有看过那些景点的我们以及我们的后代都再也无法看到了,你知道世界上快要消失的著名景点有哪些吗?请看下面的

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 旅游英语

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

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 VOA2003(下)-环境与健康

由于方言发音的不同,在中文中存在元音辅音音变的情况。 例如'一个人'的发音 普通话:一个ren 东北:一个yin 南昌:一个len 四川:一个zen 长沙:一个nin 广州:一个yen 湖南与福建f-h不分。湖

发表于:2019-01-18 / 阅读(91) / 评论(0) 分类 雅思英语

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

发表于:2019-01-26 / 阅读(152) / 评论(0) 分类 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

发表于:2019-01-31 / 阅读(120) / 评论(0) 分类 VOA常速英语2013年(十月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(254) / 评论(0) 分类 英语新闻

BEIJING, June 3 (Xinhua) -- The national flood and drought prevention office has warned that severe floods are more likely to occur this year due to markedly increased rainfall, according to Sunday media reports. Floods may cause greater damage this

发表于:2019-02-21 / 阅读(110) / 评论(0) 分类 英语新闻
学英语单词
.asc files
Amplification on Materia Medica
ancillary support routine
angle fron
aniline-water solution
arteriae lumbales
artium magisters
automatic target assignment
automatic typing of external function
Ban Nong Chok
biological benchmark
block control word
Bonalfa
brandstetter
Carbonita
Catalzeytin
cation-exchanger
central symmetry figure
Cephalotaxus alpina
cerebellocortex
chaikins
clam-shell excavator
clay domains
Cleomenes I
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compact element
dimensional regularization
discovery services
divine polity
Ecorse
emergency units
endgame problem
environmental target
Enzopride
epiregulin
everwidening
extremely complexstructure
fat-deficiency disease
finalschwankung
fixed size block
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go begging
grammo
Gregory, James
hard-drawn copper wire
heel radius
hobsinking
immediate extend
inorganic elements
interrogatrix
junction battery
karyopyknoses
keep ... way
magnetic meridians
manner of collecting export proceeds
Marceau, I.
methyl-glyoxime
microfilaria periodicity
mineralizer
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multi-spectral remote sensing
Negeri Sembilan, State of
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phoma cephalanthae
Platanal, R.
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terest
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urochesis
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waltzing Matilda
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zaia
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