[化] 分子发射光谱法

[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(325) / 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(557) / 评论(0) 分类 历年考研英语阅读理解

The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous

发表于:2018-12-19 / 阅读(180) / 评论(0) 分类 英闻天下

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(299) / 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(195) / 评论(0) 分类 Scientific American(四)月

Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project

发表于:2019-01-07 / 阅读(323) / 评论(0) 分类 2006年NPR美国国家公共电台

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(222) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(306) / 评论(0) 分类 Scientific American(七)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(347) / 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(355) / 评论(0) 分类 高中英语人教版高一年级

Negotiators at the climate summit in Copenhagen last month failed to agree on a new climate change treaty to replace the current Kyoto Protocol before it expires in 2012. Jonathan Lash is president of World Resources Institute, an environmental polic

发表于:2019-01-13 / 阅读(188) / 评论(0) 分类 VOA标准英语2010年(一月)

India says it is satisfied with outcome of the recent climate summit at Copenhagen, which did not spell out specific targets for reducing carbon emissions. India is hailing the united position adopted by big developing countries at the summit. Anjana

发表于:2019-01-13 / 阅读(232) / 评论(0) 分类 VOA标准英语2009年(十二月)

By Nancy-Amelia Collins Bali, Indonesia 13 December 2007 The head of the United Nations Climate Change Conference is warning that a deadlock between the United States and the European Union over greenhouse gas emission targets may derail the conferen

发表于:2019-01-16 / 阅读(207) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(248) / 评论(0) 分类 2016年Scientific American(十)月

Briefing a news conference on Thursday, Xie Zhenhua, China's special representative on climate change, said the country is exploring emissions trading mechanisms. China now is piloting emission trading in seven provinces or municipalities, and the wo

发表于:2019-01-19 / 阅读(217) / 评论(0) 分类 2015CRI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(217) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy

发表于:2019-01-30 / 阅读(184) / 评论(0) 分类 2006年慢速英语(十一)月

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(218) / 评论(0) 分类 经济学人综合

China is now on the front lines of efforts to develop energy sources that can balance the goals of sustaining economic growth and protecting the environment. Decisive action is needed to strengthen policy frameworks across the country to reach that g

发表于:2019-02-18 / 阅读(205) / 评论(0) 分类 cctv9英语新闻2015年

The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous

发表于:2019-02-21 / 阅读(210) / 评论(0) 分类 英闻天下
学英语单词
acquired jejunoileum diverticulum
actuated roller switch
adaptive integration method
ale-bush
Alice Springs
amphibolic fistula
animated nature
antonym
application of load
Arbus
austrian monetary units
b-vitamin
Bealtaine
beyette
biberage
bill-of-materials
breast lining
c.e
cargo oil control console
cascaded thermoelectric device
chiren
Chopan
clingstone
connected person
corporate video
crundall
decorated archway
destructive earthquake
dock
Equino-Aid
fabbest
factory preset
fighting weight
flotation reagent
Fort Peck Dam
geniculum n. facialis
Glukharinyy
high-strength material
hyperimmuning
ink density
inquiring party
intercalation compound
invalid insurance
isopropyl acetoacetate
landing point real time prediction
leading off
lienor
light as a feather
maella
Maesa doraena
Marine expeditionary brigade
Message Security Protocol
microborers
missile check-out equipment
monocotyledoness
moving border
nicotilamide
non-ulcerating lupus
npdc
O, o
Obidowa
ore localization
outraising
parasite plane
peak drifting effect
physiobiological
plerrroscopy
Pregmal
prominent heel
propylpiperidine
qx
radar dome
radiative excitation
real infinite prime divisor
reciprocal arrangement
reconceptualizing
reduced-rate
Rhacophyllites
rise above the crowd
rubber shock absorber cord
saturate steam pressure
seashore
Securicula
selen-tellurjum
septuplet
shelterin
shodeen
slipproofing agent
Sohwarzwald
source calibration
spicknel
Stack Is.
steke
straddle erase head
surface mine field
treadling order
trinucleotide expansion
ultra-high-temperature
ultra-violet or infra-red ray apparatus
upon oath
uranium nephritis
visual fixation