[网络] β-氨基酸

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(161) / 评论(0) 分类 经济学人科技系列

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(287) / 评论(0) 分类 (科普英语)Earth and Sky

Liberian Refugee Gets New Face After Devastating Acid Burn Henry Cole has lost count of how many times hes been wheeled into surgery. In the last two years, Cole has had more than a dozen procedures. And there are more to come. But he has no complain

发表于:2018-12-08 / 阅读(150) / 评论(0) 分类 VOA标准英语2013年(一月)

[00:00.00]Dean accent tap generally speaking [00:05.15]迪安(男名) n.口音;音调 n.(自来水等的)龙头 一般说来 [00:10.29]eastern notice differently Ottawa [00:15.43]adj.东方的;东部的 vt. n.注意;认识 adv.不同地 n.渥太华

发表于:2018-12-13 / 阅读(332) / 评论(0) 分类 高中英语词汇

Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition

发表于:2018-12-18 / 阅读(212) / 评论(0) 分类 2017年VOA慢速英语(十)月

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(333) / 评论(0) 分类 知性英语

Section 28 Acid Rain 50 years ago, no one talked about acid rain. Then we didn't really know the harm it was causing to the world. Today almost every adult and school child is aware of acid rain and i

发表于:2019-01-02 / 阅读(201) / 评论(0) 分类 英语导读1000句

Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b

发表于:2019-01-03 / 阅读(202) / 评论(0) 分类 医务英语

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(178) / 评论(0) 分类 健康与环境

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 Scientific American(八)月

Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid

发表于:2019-01-12 / 阅读(207) / 评论(0) 分类 2013年VOA慢速英语(五)月

AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa

发表于:2019-01-12 / 阅读(197) / 评论(0) 分类 2016年VOA慢速英语(二)月

Acid Attacks Continue in Cambodia Despite Harsher Punishments For Som Bunnarith, memories of the day acid violence changed his life forever are as vivid in his mind as the scars on his skin. When it splashed on me, it felt hot. It even burned through

发表于:2019-01-13 / 阅读(174) / 评论(0) 分类 VOA标准英语2012年(九月)

Pakistani Acid-Attack Victim Enjoys New Life in Texas After taking the oath of citizenship, Julie Aftab celebrated. I have waited eight-and-a-half years to hear those words, and those words mean so much to me, she said. Ten years ago, when she was 16

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 VOA标准英语2012年(八月)

Use of Acid Attacks for Punishment Persists in Pakistan 巴基斯坦仍存在泼洒硫酸作为惩罚 Despite laws against acid attacks, the practice of pouring acid on men, women and children as a form of punishment continues in Pakistan. Two victim

发表于:2019-01-14 / 阅读(158) / 评论(0) 分类 VOA标准英语2014年(二月)

Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin

发表于:2019-01-14 / 阅读(197) / 评论(0) 分类 VOA标准英语2013年(四月)

Folic Acid Supplements Shown To Reduce Risk Of Autism Green, leafy vegetables, fruits and nuts naturally contain folate, a B vitamin that helps the body make healthy new cells. Most pre-natal vitamins include folic acid because it protects against de

发表于:2019-01-14 / 阅读(188) / 评论(0) 分类 VOA标准英语2013年(四月)

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(242) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid

发表于:2019-01-16 / 阅读(213) / 评论(0) 分类 2007年VOA标准英语(六月)

On September 18th, all New Zealand bread was going to have folic acid added to it. However, now the government has decided to wait three years. New Zealand and Australia have an agreement about food standards. Australia is going to add folic acid to

发表于:2019-02-25 / 阅读(224) / 评论(0) 分类 新西兰英语
学英语单词
adventitious reinforcement
afflecks
Allium neriniflorum
androsymphia
anti-venene
antique market
aonidiella messengeri
Bayesian processing
bayoneting
biased perceptions of out-group
blanket reprocessing
break one off
cardamine
carrion-eaters
carrot grader
cased-hole logging
Cavern I.
cell crystal
cellulose thin-layer chromatography
Chesterfieldian
Christmas number one
chronoamperograms
combination frequency
combustion chamber space
commission receivable
Communist Manifesto, The
compressed air burner
cyclic loading treatment
double-star rectifier circuit
dry monsoon
duchesnea chrysantha miq.
duty cycles
earth plug
Eschrichtiidae
estimated individual noise value
foramina ovale
gamble sth away
geological radar method
get out of jail free
gigaku (japan)
glarosion
gloire
go out of business
guinea-pig maximization test
high resistivity material
highly-polisheds
Ibsenite, Ibsenist
industry-by-industry
interacinar
internal layer
isodop
Konig's syndrome
Kouka
koza
kuwanon G
landrie
lappeted
letter or digit
Lettocine
limonia (goniodineura) hassenana
marginal quay
methenies
Mexican breakfast
microch(e)iria
micronutrient element
mid-decembers
mining lot tax
muil
necromanced
nonprotrusible
nucor
old witch grass
on state power dissipation
optical reflectivity
petrochemical derivative
phonosurgery
reef rock
rewine
robosapien
rotary hysteresis
semiactive
shaft blank
Sinosenecio euosmus
slow-starters
special temperature sensor in chemical fiber
steel armour
step on
subshapes
tangential features
technothriller
thrust power loading
toussaints
trans-sialidase
trichions
trough type mixing machine
U/WB
uncrusty
unprecipitated
vigorate
wafer trapdoor spider
Wells' facies
zi