三乙氧基甲烷

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(127) / 评论(0) 分类 Scientific American(十二)月

Scientists in Mexico say they may have found a way to cut production of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 2017年VOA慢速英语(二)月

By Parke Brewer South African Hestrie Cloete has won the last two women's high jump titles at the World Athletics Championships. Now she is looking for gold in the Olympics. The 1.85 meter-tall Hestri

发表于:2018-12-08 / 阅读(107) / 评论(0) 分类 VOA2004(下)--雅典奥运

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 60秒科学

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(151) / 评论(0) 分类 科技之光

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(七)月

The trouble with trees 自人类诞生之日起,树木就一直忠实地陪伴着我们。年复一年的生息轮回中,除了年轮的增长,我们似乎很难察觉树木所经历的改变。然而,我们的这些老朋友在全球气候急剧

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 英语笔译

SCIENCE IN THE NEWS - Tons Of Methane Gas Could Be Trapped Under Antarctica BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about methane gas thought to be tr

发表于:2019-01-12 / 阅读(112) / 评论(0) 分类 2012年VOA慢速英语(九)月

Dairy farmer, researchers look for ways to power cars with bio-gas from cattle Tom Banse | Bellingham, Washington 23 February 2010 Dairy owner Darryl Vander Haak turns cow manure into 'bio-gas' which burns like natural gas in a small electric power p

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2010年(二月)

SCOTT SIMON, HOST: A new study published in the journal Science finds methane emissions from U.S. oil and gas operations are 60 percent higher than previous estimates from the federal government. Now, this comes at a time when we're getting more and

发表于:2019-01-17 / 阅读(95) / 评论(0) 分类 2018年NPR美国国家公共电台6月

But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么,什么东西这么臭? The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan

发表于:2019-01-17 / 阅读(137) / 评论(0) 分类 TED演讲教育篇

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(146) / 评论(0) 分类 TED演讲教育篇

Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗? Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上,但它的清洁能源形象却受到质疑 M

发表于:2019-01-26 / 阅读(161) / 评论(0) 分类 经济学人综合

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(115) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(164) / 评论(0) 分类 2007年VOA标准英语(五月)

我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。 EACH and every one of us is responsible for the greenhouse gases we emit in ou

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 阅读空间

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(138) / 评论(0) 分类 英语博客 A cup of English

On earth, most of the methane in the atmosphere has been belched by living organisms, 在地球上,大气中的大部分甲烷都是由活着的生物体喷出的, so finding the gas on Mars would be happy news for seekers after extraterrestrial

发表于:2019-02-16 / 阅读(122) / 评论(0) 分类 经济学人科技系列

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘

发表于:2019-02-16 / 阅读(124) / 评论(0) 分类 经济学人科技系列

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 英语口语
学英语单词
arithmetic decoder
arthits
assualt phase
beat sweetener
bimodel pore-size distribution
broccoli-cheese
butyraldehydes
carbon atoms
Cassia pulpa
cichla ocellaris
CIF landed terms(cost,insurance,freight landed terms)
cloudy swelling of kidney
compost-makings
concentric type
conditonal request
cons up
conveyor press
crossed parallelogram
damaged layer
deprong
discrete direct sum
driverside
egogram
electronic acupuncture and moxibustion device
enneracts
ensiling additive
evaded
ex con
family tilletiaceaes
faunally
forward propagation tropospheric scattering
fourband scanner
frontager
Gallimania
Gennargentu, Mti.del
geoelectric cross section
GLB Act
green parties
groundwater circulation
Harkat ul-Mujahedeen
have at heart
high court of errors and appeals
Homahs
information cue
intrapatient
iodoform Ointment
iwconfig
lampist
larval
lavena
lemelle
lever safety valve
ligament of helvetius
line-by-line switching circuit
market-testing
message size invalid
microgametophyte
nodal cell (of heart)
nominal hygiene air requirement
nonvenomous
objectives mapping
off-line plotter
off-site protective measures
orken
oxidized still
pactory
panic-grass
papilledema
paracosm
pelvic rudiment bone
Perlis
Porto Moniz
prerogative writ
program recycling
provincializations
rock me to sleep
rotation recorder
Rv.
SCVC
second grade for domestic consumption
selenium compound
semantics resolution
senson
shitake mushroom
short-circuit between plates
source entropy
specified secondary standard instrument
strained ligament
subductory
substandard part
swing around
systematic therapeutics
temporal fluctuation
three-chambered swim bladder
trimethylates
trinerve
turnbutton
water of productive use
whem
wire strainer
woolly worms
YSAN