(1)硫矿石(2)黄铁矿

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(125) / 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(107) / 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(207) / 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(125) / 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(137) / 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(85) / 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(92) / 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(197) / 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(208) / 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(117) / 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(93) / 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(89) / 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(132) / 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(143) / 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(180) / 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(191) / 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(234) / 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(118) / 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(148) / 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(116) / 评论(0) 分类 托福英语
学英语单词
'Sdeath
-featured
5-Episisomicin
a broth of a boy
A-type chromium door handle
absorption filters
allogenic mineral
alternative use
angle of Vee
anomodon armantus broth
assembling process chart
be on a committee
bismuth sodium iodide
blood-drippings
bourgueils
chain type furnace
chlorotetracycline calcium
cold frames
craspedon
critical value bounds
cryptographic facsimile telegraph message
dataphones
Docete
dodecarchy
e fit
eaviton
employment exchange
enclosing tag
explosion peninsula
fail in the test
fish fuddles
flow programmer panel
football officials
for approval
frequency-changer crystal
Garza County
genital elephantiasis
gouiecythere lianshuae
gravity-oriented test statellite
hammock cloth
helianthaceous
ichthyosaurids
in imitation of
in liquidation
index number of food production
isoiridomyrmecine
kumas
linear vectogram
mercuric selenite
mineral dust
motor protection against overheat
moving gaseous medium
Nance, R.
narcotizations
neogallicolae-gallicolae
nitze
Nureyev
outred
pareo
polycondensate resin
porphyrizations
privancy
protracted test machine
pseudoadiabatic expansion
raid on motherboard
refreshable memory
retaining ring for tyre
rhithm
robust adaptive control
run time organization
seclusive personality
self-propelled vehicle
session group
Severgina, Vulkan
Ship Reporting Systems
Siedliszcze
slug away
soil association
spirtling
subdivision mastigomycotas
summary statement of receipt and expenditures
superadiabatic
supercharging blower
suppeditor
Sφrlaguna
testes (pl. testis)
Thomas meal
throw up the game
Tiotixon
triakisdodecahedron
tubular particle board
tunica conjunctiva palpebr?
udder spray gun
underwater blast
unissued mortgage bonds
verbilki-Tver porcelain
vocational facilities
Wamac
wind injury
writ of capias
yazawa
yellow cat