【有机化学】阿姆斯特朗酸

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(214) / 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(86) / 评论(0) 分类 VOA标准英语2013年(一月)

Children's Asthma Not Eased by Anti-Reflux Drug Seventeen-year-old Alaina Kvapil was diagnosed with asthma when she was 13. When you have an asthma attack, your airways actually close up and people dont realize that you cant breathe, you cant get the

发表于:2018-12-16 / 阅读(97) / 评论(0) 分类 VOA标准英语2012年(一月)

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(252) / 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(134) / 评论(0) 分类 英语导读1000句

SCIENCE REPORT — March 7, 2002: Alzheimer’s Disease By Nancy Steinbach This is the VOA Special English Science Report. Medical researchers say a new study shows a link between the mental condition

发表于:2019-01-02 / 阅读(154) / 评论(0) 分类 科技之光

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(95) / 评论(0) 分类 健康与环境

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(142) / 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(130) / 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(98) / 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(88) / 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(89) / 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(125) / 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(121) / 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(173) / 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(151) / 评论(0) 分类 2007年VOA标准英语(六月)

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(182) / 评论(0) 分类 60秒科学

WADA confirm USADA's action on Armstrong approriate BEIJING, Oct. 12 (Xinhua) -- World Anti-Doping Agency has again thrown its support behind USADA after a lengthy report with evidence to prove Lance Armstrong a doper. U.S. Anti-Doping Agency issued

发表于:2019-02-13 / 阅读(110) / 评论(0) 分类 英语新闻

USADA hails UCI's right decision in Armstrong case BEIJING, Oct. 23 (Xinhua) -- Cycling's governing body UCI has made the right decision to strip Lance Armstrong of his seven Tour de France titles, U.S. Anti-Doping Agency chief Travis Tygart said on

发表于:2019-02-17 / 阅读(92) / 评论(0) 分类 英语新闻

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(151) / 评论(0) 分类 新西兰英语
学英语单词
Admiralty coefficient
aerial traverse
Afghanistan
aluminium alloy extrusions
approximation by excess
armature wedger
Artemisia apiacea Hce.
atropoyl
available phosphorate
basic external function
be entangled
beach concentrate
beta decay spectrum
Buriatia
carouses
cast sheep's eyes at someone
catocha latipes
chain case
Chinese-character display
chiral auxiliary
colao
Copper-67
Culdrose Air Base
Danish seine
definition function complex
Diaminoazobenzolsulfonamidom
disannexed
disebacate
dispersion property
disturbance variable
dorsal metatarsal vein
edelweisses
emerize
erythrokyrine
exa-metres
fluoride opal glass
Fougerolles
gas tension
genus Darmera
Gillespie
grid effect
harif
hodoscopes
Hottentot's bread vine
hummums
internal mammary-coronary artery anastomosis
Jiechi
Khorāsān, Chāh-e
Kyaukpu
laser-activated liquid crystal cells
level line and surface
life area
Mansuur
Markov jump process
melampodium divaricatum
mesityloxy
microhouses
mortality of children
multiport memory
National Book Awards
nayab
nominal pitch diameter
non-skid chains
non-trivial manifold
nonobligatory
nonslip safety walk
normal insulation
oiltight test
orthovanadic acid
other control applications in telecommunications
ovitraps
P.O.
Peristylus bulleyi
Petromyzontiformes
property valuer
qatari dirhams
quintoms
remote location
Saurauia oldhamii
self-server
single-side machine
skew failure
soft-sectored format
sphenoid fontanels
spiral thickening
Sporopachydermia
start-stop tape drive
stripper-plate mould
sturgion
Sun Microsystems, Inc.
Syagrus
system failure rate
terphenyllin
torn tape switching center
tranformational
transitional-cell carinoma
ultrasonic particle sizer
visual testing
voodooish
W-5218
waveguide impedance
Zimmersrode