大气臭氧检测仪

CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs

发表于:2018-12-01 / 阅读(461) / 评论(0) 分类 上海牛津初中英语九年级

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(148) / 评论(0) 分类 听一分钟英文-O

现代科技提升天气预报精准度 Severe storms that cause heavy damage throughout the world are a reminder of how important it is to be able to predict the weather. A meteorological exhibition in Brussels earlier this month featured the latest

发表于:2018-12-19 / 阅读(88) / 评论(0) 分类 VOA双语新闻 2014年10月

This is Scientific American's 60-Second Science, I'm Karen Hopkin, this will just take a minute. Shakespeare once said: A rose by any other name would smell as sweet. And that is true today as it was 400 years ago. What's different now, though, is th

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(四)月

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(186) / 评论(0) 分类 英语课程学习计划和讲义

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(203) / 评论(0) 分类 国家地理2008年

Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 (科普英语)Earth and Sky

科学家曾对蜜蜂离奇死亡或消失的原因进行多番推论,包括全球气候暖化、疾病或杀虫药等。科学家和业界称这个蜜蜂消失现象为蜂群衰竭失调(Colony Collapse Disorder,简称CCD)。爱因斯坦的蜜蜂预言真是所言不假,他曾经说过没有蜜蜂,就没有授粉,就没有植物,就没有动物

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 国外媒体新闻

ENVIRONMENT REPORT - November 1, 2002: Shrinking Ozone Hole over Antarctica By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Australian researchers say the hole in the ozone layer o

发表于:2019-01-02 / 阅读(98) / 评论(0) 分类 健康与环境

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 2018年VOA慢速英语(五)月

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(137) / 评论(0) 分类 VOA2003(下)-环境与健康

Good News: Earth's Ozone Hole is Healing 好消息:地球臭氧层空洞正在恢复 There is big news about the environment: Scientists say a hole in Earths protective ozone layer is starting to heal. 一则关于环境的重磅新闻来袭:科学家

发表于:2019-01-12 / 阅读(93) / 评论(0) 分类 2016年VOA慢速英语(七)月

Modern Technology Helping Weather Predictions 现代科技帮助预测变幻莫测天气 WASHINGTON Severe storms that cause heavy damage throughout the world are a reminder of how important it is to be able to predict the weather. A meteorological e

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2014年(十月)

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(144) / 评论(0) 分类 纯正英语一分钟

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm

发表于:2019-01-22 / 阅读(139) / 评论(0) 分类 自然百科2008年

25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00

发表于:2019-01-30 / 阅读(332) / 评论(0) 分类 科技之光

HEALTH REPORT – Study Links Ozone Pollution to Increased Deaths By Cynthia Kirk Broadcast: Wednesday, December 08, 2004 I'm Gwen Outen with the VOA Special English Health Report. American researcher

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 健康与经济

Ozone layer(臭氧层) 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed(

发表于:2019-02-07 / 阅读(89) / 评论(0) 分类 英语新闻

Chlorofluorocarbons are also not very abundantthey constitute only about one part per billion of the atmosphere as a wholebut they are extravagantly destructive. One pound of CFCs can capture and annihilate seventy thousand pounds of atmospheric ozon

发表于:2019-02-17 / 阅读(90) / 评论(0) 分类 万物简史

很多参加gre的考生在做gre写作的时候都没有写提纲的习惯,这是非常不好的。提纲在gre写作当中起到了至关重要的作用。从今天起,我们将对gre issue进行分析,弄清写作思路,这样才能让gre

发表于:2019-02-19 / 阅读(135) / 评论(0) 分类 GRE作文
学英语单词
acrylic polyurethane wall paint-exterior
aglycones
analog nest units
argent
Arnold steam sterilization
arudd
basilar region
beef eater
Branco River
bratte
brazen
Bulgarian language
carulomycin
castellum
celiac artery compression syndrome
charcoal adsorber
chloridized
cinematograph projector
citrus juice
coformulation
compensator link arm
ctetology
Dachsenhausen
de-educate
deck water discharge valve
dextr-
doorin pt.
dried yolk
Emāmshahr
engine-room auxiliary machine
Ephemerum
eye hole
f to f (face to face)
facility cost
facinerose
feather figure
Flint R.
fore-head
genus allamandas
glaciofluviatile plain
GM_although-or-though
guiora
hard conditions
harmful bacteria
high etch
hitch-hiker
hoses
hydroncus
ice cap
Indian National Trade Union Congress
inert gas welding
intermentions
isosibiricin
J. R.
Kamose
Leisure Hours
material defect
mercury cadmium telluride
mesh pattern
messenger bottle
monomethylin
move sb on
multi-purpose infrared system
Ngoyo
nominal steam temperature
oleum Carpathicum
oscar(astronotus ocellatus)
p80cdc25
peace-times
pH test paper pH
pipeweed
Port-Vila
positively actuated valve
post-marked
pourge
practical naval architecture
press-button switch
prim.
purpose-made brick
radio circuit
rehabilitate
repos it
ridgeside
rise of the tide
sawsykylle
seawater transmittance meter
semioxamazone
shine-dalgarno
shrinkage joint
Slautnoye
slot-width taper
split transmission
submarginal nervue
summer load waterline
thanosome
transformer-urns ratio
uchellawr (wales)
uncommitted balance
unconfiguring
wet air
wiggle dresses
Yeghvard