单词：iron-sulfur
单词：iron-sulfur 相关文章
M: 236, 237, 238 Oh hi Yang Chen, I didn't know you were coming to the gym today. Y: Hi, Mar. What are you doing? M: I'm doing push ups. P-U-S-H, U-P-S. Y: I know you are doing Pushups俯卧撑。 可是我听到你在数238 ，你真的做了238个俯
体育美语
Listen this way听力教程第二册-17
Listen this way听力教程
This Short Story The Iron Box is quite interesting to all the people. Enjoy reading this story. Mohan Das was the son of a rich businessman. When his father died, Mohan Das was left with an iron box with valuables in it. One day, Mohan Das had to go
英汉幽默故事选读
This is Scientific American's 60-Second Science, I am Cynthia Graber.This'll just take a minute. On earth, snow crystals as we all know, form from frozen water. But scientists believe there're also flakes that fall on Mercury, and they're made of iro
Scientific American(六)月
By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
2007年VOA常速英语（十月）
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
TED演讲教育篇
Once theyve caught the light of a dying star with their state of our telescopes. The detective work can begin. We collect that light and we analyze it in great detail in order to determine whats going on, whats the chemical makeup of the star, whats
自然百科2011年
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
阅读空间
China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say
cctv9英语新闻2015年
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
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
英语新闻
By CCTV reporter Ning Hong Efforts to reduce air pollution in China seem to be accelerating. In a coordinated action on Sunday, local authorities pulled down facilities in three cities in Hebei Province, a main center of iron and steel manufacturing.
CCTV9英语新闻2013年11月
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
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
英语小短文
Iron Wine，是一个单人乐队，来自美国，名字可能很陌生，但是他的声音你肯定熟悉，他唱了《暮光之城》第一部最后男女主角月下起舞时的那首插曲Flightless Bird, American Mouth Artist：Iron Wine Song：
金属
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
英语新闻
We now know that there are a lot of microbes living deep within the Earth, many of which have nothing at all to do with the organic world. 我们现在知道了，有大量微生物生活在地球内部的深处，其中许多与普通的有机世界毫
万物简史
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
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
英语新闻