甲基四氢高叶酸

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(113) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(六)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(一)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(169) / 评论(0) 分类 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

发表于:2018-12-28 / 阅读(140) / 评论(0) 分类 初学者听力文摘精选

赫芬顿邮报:科学家预言,未来不久,人们将能够通过吞药丸来获取知识,一颗药丸下肚,可能就学会了一门外语.有这么简单的方法,那中国的同学们再不用担心英语学习了. 吃药丸学习英语? Huffingt

发表于:2019-01-01 / 阅读(128) / 评论(0) 分类 双语趣听精彩世界

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

发表于:2019-01-02 / 阅读(184) / 评论(0) 分类 60秒科学

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 医务英语

D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠

发表于:2019-01-03 / 阅读(172) / 评论(0) 分类 医务英语

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(172) / 评论(0) 分类 医务英语

Vitamin B9 is also known as folic acid or folate. Technically, folate is the term for the vitamin B9 that is found naturally in foods, while folic acid is the name for the synthetic supplement that is added to foods and vitamins. 维生素B9也称为叶

发表于:2019-01-03 / 阅读(137) / 评论(0) 分类 实用英语

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(200) / 评论(0) 分类 农业与发展

1. Get the Aspirin Advantage One of the greatest things you can do for your health is something you can do in literally half a second. If that's not incentive, we don't know what is. A half a second a day can translate into extra years of life. Takin

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 英语小短文

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(167) / 评论(0) 分类 VOA2003(下)-环境与健康

Locals in Uganda are lauding a construction project financed by China which is creating the East African country's largest hydroelectric power plant. The 600-megawatt (MW) Karuma Hydroelectric Power Plant is located at the mid-western district of Kir

发表于:2019-01-19 / 阅读(213) / 评论(0) 分类 2018CRI中国国际广播电台

HYDROCEPHALUS Merriam-Websters dictionary defines hydrocephalus as an abnormal increase in the amount of cerebrospinal fluid within the cranial cavity that is accompanied by expansion of the cerebral ventricles, enlargement of the skull and especiall

发表于:2019-01-23 / 阅读(302) / 评论(0) 分类 英文短篇小说

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(190) / 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(185) / 评论(0) 分类 VOA常速英语2013年(十月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(192) / 评论(0) 分类 万物简史

Science and technology 科学技术 Human evolution 人类的进化 Ask the family 寻根问祖 Human ancestry has just got more complicated 人类祖先之谜变得愈加复杂了 ONE of the oddest things about Homo sapiens is that he is alone. 有关

发表于:2019-02-24 / 阅读(196) / 评论(0) 分类 经济学人科技系列
学英语单词
amateur astronomer
anisophylla
anthranillic acid
anti-fading device
Anti-Smooth
aphidians
arthrodesis
Asch
atolin
autolyzer
average limit of ice
Barraquer's operation
bioactivated
blink back
bother about
by check
capsule cleaner
cathode kathode catelectrode
cestid
chimbotes
conical serrated external toothed lock washer
coquicide
crystallogeny
cylinder drying sizing machine
Damascenus, Johannes
delayed reflex
demonstation
denver-based
dolastatin
dominant lethal test
eight-inches
electron-positron storage ring
episinus punctisparsus
esposizione
eurhynchium celebicum
evenliness
field artilleries
fifth position
flood sth with sth
flutter depth
genus achrass
gnar
grand pas de basque en tournant
hard-soft
homophobias
horsecloth
Hydroxylrenifolin
Illapel, R.
impolicy
interpregnancy
iron family metal
laboratory(experimental)
Leoben
Ligularia stenocephala
marine amphibian robot
melted wax bath
methylene chlorobromide
miocamycin tablet
muehrcke's nails
multioctet coded character set
negative leverage
normosexual
oblique prism
oil and water
okaite
Paralympian
pay someone a visit
plantago psyllium
pliomelaena sauteri
polymer based composite
pontium
postiling
Poysdorf
precancellations
precor
prepacking treatment
presence of cars on classification tracks
quantitative analysis method
rabbat
radio-frequency shielding fence
radix-digit
rogering
sappositorium glycerini saponatum
satish
scan mode
shipboards
soft core potential
sournesses
store through cache
strata eboris
strong-voiced
test patterns
the young pioneers
three-month
thrown obstacles in way
time dependent factor
tin-based
Toepler machine
training vitality into mentality
unceremoniously
unstudded short-link chain
wellhead device