[化] 硫硫化; 硫黄硫化

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何,我最终得到了一些硼烷,这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(79) / 评论(0) 分类 TED演讲教育篇

[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]

发表于:2018-12-26 / 阅读(71) / 评论(0) 分类 美国英语听力80篇

Listen this way听力教程第二册-17

发表于:2018-12-27 / 阅读(164) / 评论(0) 分类 Listen this way听力教程

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(十二)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(103) / 评论(0) 分类 TED演讲教育篇

PSALM 11 1In the Lord I take refuge. How then can you say to me: Flee like a bird to your mountain. 2For look, the wicked bend their bows; they set their arrows against the strings to shoot from the shadows at the upright in heart. 3When the foundati

发表于:2019-01-17 / 阅读(53) / 评论(0) 分类 圣经旧约 诗篇

BERLIN, April 25 (Xinhua) -- A study recently published in the journal Nature Chemical Biology opens up new avenues in biohydrogen research, the Technical University of Berlin (TU Berlin) said on Friday. Scientists at the TU Berlin succeeded in expla

发表于:2019-01-26 / 阅读(62) / 评论(0) 分类 英语新闻

18Then Bildad the Shuhite replied: 2When will you end these speeches? Be sensible, and then we can talk. 3Why are we regarded as cattle and considered stupid in your sight? 4You who tear yourself to pieces in your anger, is the earth to be abandoned

发表于:2019-01-26 / 阅读(159) / 评论(0) 分类 约伯记

A healthy liver plays a key role in relieving digestive issues, such as a sluggish metabolism, gas, bloating, and constipation. It regulates blood sugar levels, which, when out of balance, can cause sugar cravings, fatigue, and fuzzy thinking. 健康的

发表于:2019-02-01 / 阅读(147) / 评论(0) 分类 阅读空间

Effective pollution controls adopted in 161 major Chinese cities have greatly improved air quality, a green organization said last Monday. 一家绿色环保组织上周一表示,中国161座主要城市采取的有效的污染防治措施使空气质

发表于:2019-02-04 / 阅读(81) / 评论(0) 分类 英语新闻

Beijing's last large coal-fired power plant suspended operations last Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy. 上周六,北京最后一座大型燃煤电厂停机备用,这意味

发表于:2019-02-04 / 阅读(63) / 评论(0) 分类 英语新闻

Five widely used Chinese traditional medicines (TCMs) for treating cough have been found to have a high sulfur content, the Economic Information Daily reported on last Friday. 据《经济参考报》上周五报道,5种常见的中医止咳药被检

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 英语新闻

Political Advisors Hand Proposals on Environment Protection Environmental protection is going to be one of the focus-areas for both the political advisory body and the lawmakers on the National People's Congress. Wan Jie, a member of the national com

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 英语新闻

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(106) / 评论(0) 分类 英语新闻

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

发表于:2019-02-09 / 阅读(144) / 评论(0) 分类 英语小短文

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(146) / 评论(0) 分类 英语新闻

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(207) / 评论(0) 分类 世界各地新闻集锦

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(88) / 评论(0) 分类 英语新闻

The proportion of hazardous metal toxins in PM2.5 in Beijing has decreased for the past three years, which experts lauded as the initial achievement of the city's anti-smog measures. 过去三年,北京市PM2.5中对人体有害的金属毒素的比重

发表于:2019-02-18 / 阅读(120) / 评论(0) 分类 英语新闻

Once it seemed that the ocean floor was a desert of darkness. As everyone knew, sunlight was what made life possible by fueling photosynthesis, and sunlight can penetrate only the first few hundred yards of the oceans great depths. Lower, a few

发表于:2019-02-21 / 阅读(73) / 评论(0) 分类 托福英语
学英语单词
Abū Saida
acrostichal hairs
air sus
Alburg
alternating-current transformer
apterogaleruca uenoi
armenocide
azobilirubin
babysat
beavy chain disease
besit
Blavatsky, Helena Petrovna
blushlike
bodying
breechloaders
burrdrill
center in form
cercospora miscanthi
chapelain
Chuzelles
climatic testing
control rod scram worth
Crossgare
cutting dynamics
data sorting algorithm
Davis, Jefferson
digital position transducer
diphenylbutylpiperidines
dynamic noise reduction
eddy loss
Ellipsoidina
ending sign
Ferula syreitschikowii
feutres
fible-fable
finger height
fold-over noise
fuckedness
glabrousness
Gnetum gracilipes
granite-gneiss
high definition screen
hook-like structure
HTR with (a) gas turbine
ICOP
interrupt control register
Isonoe
joslin
kneelest
Kryptol stove
kvas
least squares criterion
lockbolts
locked rotor voltage
Matese, Monti del
megachallenge
mud blasting
multi-turn rotary actuator
music instrument
musicality
N.B.L.
narrow-end-up mould
nervivesicales superiores
neutral vowel
normal mercruous phosphate
normal sort program key ranging procedure
o attenuator
odria
orbitomete
ownwords
oxoglutaric acid
patchset
perimenopausal
plexus dentalis
pneumogastric
polyaffinity
radar vector on course
Schlosser's treatment
screw coupler
self-surrender
smallworlds
smart client
spleen malpighian corpuscle
splet
sproling
standard colour chart
strepsipteras
taiwanomyia ritozanensis
tariff act
Tayura
teacher centre
teleosaurs
tripropylborine
two stroke direct-coupled machine
U. S. D.
ulcerating sclerosis
unlevable
update components
upland coast
voltol process
walkway duct