硫酸阳极[氧]化

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(207) / 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(76) / 评论(0) 分类 VOA标准英语2013年(一月)

Item eight. Vocabulary. fossil, molecule, hydrogen, carbon, sulfur. Petroleum has been important since ancient times. In Latin, the name means rock oil. Petroleum is a fossil fuel. The liquid comes from the remains of plants and animals that died mil

发表于:2018-12-27 / 阅读(63) / 评论(0) 分类 step by step 3000 第一册

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(248) / 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(131) / 评论(0) 分类 英语导读1000句

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(88) / 评论(0) 分类 健康与环境

A shocking incident Dear Editor, I'm writing to tell you about a schocking incident that happened in Beijing Zoo on the afternoon of Feb 23rd. I was visiting the zoo that afternoon when I heard bears roaring terribly. I hurry to the place where the b

发表于:2019-01-10 / 阅读(194) / 评论(0) 分类 高考英语作文高分必备

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(136) / 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(125) / 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(89) / 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(81) / 评论(0) 分类 VOA标准英语2012年(八月)

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(121) / 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(115) / 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(168) / 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(149) / 评论(0) 分类 2007年VOA标准英语(六月)

The KT meteor had the additional advantage advantage if you are a mammal, that is that it landed in a shallow sea just ten meters deep, KT陨石还有一个优势那就是说,要是你是个哺乳动物的话,那是个优势它在只有10米深的浅

发表于:2019-02-17 / 阅读(64) / 评论(0) 分类 万物简史

But thats what comes out after we eat asparagus, which is not necessarily the same was what went in. Our digestive systems do some pretty complex chemistry, you know. Plus, the act of cooking the asparagus probably changes the chemistry around a bit,

发表于:2019-02-23 / 阅读(72) / 评论(0) 分类 英语时差8,16

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(144) / 评论(0) 分类 新西兰英语

Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot

发表于:2019-03-06 / 阅读(127) / 评论(0) 分类 英语时差8,16

Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as

发表于:2019-03-09 / 阅读(282) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
actutaing signal
aftereffect of permeability
agricultural mechanization
aliphatic sesquiterpene
apar-
Aquaform
aster falcatuss
auto decrement flag
Balige
basin landscape
belly-dancer
blennorrhea alveolaris
breaking changes
Breit-Wigner equation
cock-master
command patterns
compiled machine language instruction
cone and disc viscometer
controlled Markov process
corrective active board
dashed down
delayed gelling process
dog whistle politics
dry cargo freight market
dysthermosia
effigiates
emergency shutoff device
energy supplying device
equisignal line
erotopsychopathy
ex quay duty paid
eye for an eye and a tooth for a tooth
fancy handkerchief
farragoes
finger-nail
flow-line interception
garnesoin
grind for
h. l. menckens
haploid hypha
Has anyone been?
Hudsoned
hydrangin
iald
insulation clothing
intermediate inspection at the technological process
job inventory
Koch's tests
kodaly
kruzhanovskite
Kwangsiphyllum
law of intestate distribution
light in the head
lime reel
loan modification provision
macrochemical
major drawcard
megabudgets
neumandin
neutral mass spectrometer
old gaffer
other rewritable optical discs
Papilionanthe teres
parabiosis
pelviform
pestifugous
plectospondylous
post-independence
power water section
protecting case
Saint Cyril
salpingo-oophorectomy
sanmartinite
Saragat, Giuseppe
scotson
search light cooperation
security table
segment relative addressing
selective catalytic reduction
sensor sun
shad roes
sharp wave
Sonacon
starfinder
swine flu
Tedder, Arthur William, 1st Baron
tension boundary
the new territories
thorleys
throw it
tissue of movement
Tonga Islands
treat (transient reactor test equipment)
trunk root union
unhouses
ureteris
variance work in process
vena metacarpuss
Verkhoramen'ye
well-motived
What's bred in the bone will come out in the flesh.
Yua austro-orientalis