[化] 分子消光

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.14]2003 Text2 [00:08.35]To paraphrase 18th-century statesman Edmund Burke, [00:12.20]all that is needed for the triumph of a misguided cause [00:16.43]is that good people do nothing. [00:19

发表于:2018-12-01 / 阅读(267) / 评论(0) 分类 历年考研英语阅读理解

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(464) / 评论(0) 分类 历年考研英语阅读理解

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(244) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(四)月

Unit 43 What Caused the K-T Mass Extinction? The latter part of the Cretaceous Period was a time of continental drift and accompanying volcanic activity. The supercontinent was splitting up and the continents were taking on their modern-day forms. Ma

发表于:2018-12-30 / 阅读(117) / 评论(0) 分类 英语流行话题阅读:语境识词4500

Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well

发表于:2019-01-07 / 阅读(146) / 评论(0) 分类 英语新闻

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(217) / 评论(0) 分类 六分钟英语

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(十)月

By Alisha Ryu Nyeri, Kenya 22 May 2006 Jack Githae, herbal doctor, is standing next to a young MUIRI tree at his clinic in Nyeri, Kenya For thousands of years, people living around Mount Kenya in the

发表于:2019-01-08 / 阅读(235) / 评论(0) 分类 2006年VOA标准英语(五月)

反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到

发表于:2019-01-08 / 阅读(282) / 评论(0) 分类 托福英语

[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of

发表于:2019-01-10 / 阅读(297) / 评论(0) 分类 高中英语人教版高一年级

By Lisa Schlein Geneva 12 September 2007 A new report says the number of species threatened with extinction is escalating. The World Conservation Union, which has just released its Red List of Threatened Species, warns life on Earth will continue to

发表于:2019-01-13 / 阅读(203) / 评论(0) 分类 2007年VOA标准英语(九月)

Researchers have developed a new computer model that they say helps determine which mammals are headed for extinction as a result of human activity. Earth is undergoing its sixth mass extinction, threatening about a quarter of all mammal species, ac

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2009年(六月)

Humans Driving Massive Animal Extinction Earth is in the midst of its sixth mass extinction of animal species -- the first to be caused by humans -- in the past half-billion years, setting off a downward spiral in the environment and human health, wh

发表于:2019-01-14 / 阅读(119) / 评论(0) 分类 VOA标准英语2014年(七月)

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(199) / 评论(0) 分类 2016年Scientific American(十)月

The Yangtze River is a major habitant for finless porpoise, an aquatic marine mammal close to dolphins. However due to increasing human activities the number of the animal has been declining in China over the years. Provinces along the Yangtze River

发表于:2019-01-19 / 阅读(190) / 评论(0) 分类 2018CRI中国国际广播电台

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(161) / 评论(0) 分类 经济学人科技系列

Cambodia is home to the largest population of sun bears left in the wild. As the worlds smallest bear species, they are now facing a high risk of extinction due to the twin threat of habitat loss and illegal hunting. Charities are working hard to sav

发表于:2019-02-04 / 阅读(133) / 评论(0) 分类 英语新闻视频

Pre-Listening Vocabulary habitat: the place where living things live extinction: the state of no longer existing threatened: facing a possible risk of extinction 24/7: all day and night; at all times human intervention: the involvement of humans Habi

发表于:2019-02-08 / 阅读(230) / 评论(0) 分类 Facts-事实

Books and Artts; Book review; 文艺;书评; Conundrums of science; 科学谜题; What is it for? 科学究竟有什么用? Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学;乔艾格著; SCIENCE works with problems b

发表于:2019-02-18 / 阅读(176) / 评论(0) 分类 经济学人综合
学英语单词
a sure card
adaptatiogenesis
adaptive dynamic analysis
add wings
ascaridid
Audied
autoleveller gill box
BA4311
blackstock
bonding pads
broker's contract note
bucket prover
build-up resistivity
cancerine
carrier note
cash outlay
child-spacings
chlorocyanohydrin
choledochus
civic centre
Cobelli's glands
code entropy
construction of winding
copy quantity selector
deferred charges
delay time generator
destacamento
deuterium bond
electrophoretic forming
facies mediastinalis pulmonis
folk-wisdoms
fossae praenasalis
gastric diastole
gastrojejunostomies
geophysical reconnaissance
Glycopyrronium
group coded recording
heat of reduction
high-camp
holo film
homeowner
Hoogeveense Vaart
hyal region
inter-bank cart path
Jesse Louis Jackson
katallobaric (center)
Kavadh I
life and death
light loading
Lindau
long term trade
MDSU
message redundancy
metallogenic unit
metsulfuron-methyl
microwave relay communication for railway
monochrome filter
motor tissue
myelohlast
myospila tenax
N-alpha-Benzoyl-DL-arginine-4-nitroanilide
numbering directory
on-high
orthogonal atomic orbital
Ourém
parity check interrupt
pedological unit
pergolese
photograph magnitude
Polesella
poly (vinylidene difluoride)
power station gantry crane
pseudocythere sanyungishihi
pushing face of flight
rabbit oqal papillomatosis
rent of assize
reserch
revisualized
riotour
romes
rub one's nose in
saccharoid
saggiest
search-and-rescue
sexed up
single acting cross head type engine
skydivers
sri krishna (india)
Stack arms!
subtendinous bursa
swearingen
syphilitic adenopathy
the Straits
time-sharing executive operation
turn-backs
two wire machine
twort
Uvanå
Vaca, Ensenada de
Wendlandia merrilliana
working-level
yasuko