单词：univalent hydrocarbons
单词：univalent hydrocarbons 相关文章
油价下跌 德克萨斯州喜忧参半 Oil rig workers, known as roughnecks, face unemployment as oil prices fall, but the impact is greater in regions like Alaska and North Dakota, where production costs are higher than they are in the Eagle Ford
VOA双语新闻 2015年2月
This is Scientific America's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its hot to research life in extreme environments. There are organisms that thrive in boiling hot thermal vents and in toxic stews. These extremophiles, as
Scientific American(五)月
THE PRESIDENT: Good morning. Im just about to leave for Europe. Im looking forward to my trip. Im looking forward to meeting with our friends and allies. Weve got strong relations in Europe, and this trip will help solidify those relations. And we g
美国总统每日发言
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Some things are best done after dark--setting off fireworks, telling scary stories and charging your plug-in hybrid electric vehicle, because a new study s
Scientific American(五)月
Scathing words from President Obama to Republican leaders critical of his handling of the US economy. NPRs Ari Shapiro reports that during an appearance in suburban Cleveland, Mr. Obama singled out House Minority Leader John Boehner of Ohio. Presiden
2010年NPR美国国家公共电台9月
Oil Price Drop Both Good and Bad for Texas Workers The sharp drop in world oil prices has led oil companies in the United States to dismiss thousands of workers. Some companies have also suspended new oil drilling and exploration projects. The drop i
2015年VOA慢速英语(二)月
The Sentry autonomous underwater vehicle (AUV) aboard the research vessel Endeavor at the Deepwater Horizon oil spill site. A new report finds that the oil in the Gulf of Mexico still persists in the form of a massive plume that, according to scienti
VOA标准英语2010年(八)月
While most of the focus this weekend will be on the APEC leaders, small- and medium-sized companies in Peru are representing themselves in Lima, hoping to drum-up new opportunities through the sessions. Rafael Gamarra, partner of Bquate, a digital mu
2016CRI中国国际广播电台
数量词词组 1)a bit 一点儿 2)a few (of) 一些(可数)，几个 3)a little 一些(不可数) 4)a lot of (lots of) 许多 5)a piece of 一张(一片，块) 6)a cup of 一茶怀 7)a glass of 一玻璃杯 8)a pile of (piles and piles of) 一堆(一
英语新闻
Science and technology 科学技术 Going underground 向地底进军 A project to reveal more about all the carbon on Earth 旨在向人们揭示更多地球碳信息的项目 The Deep Carbon Observatory 深碳观测站 A world still full of secrets
经济学人科技系列
Technology Going underground 科技 去地球深处 A project to reveal more about all the carbon on Earth 一个将会揭示更多关于地球上所有碳的秘密的项目 THE carbon cycle is the stuff of school books. 碳的循环在学校教科书中
经济学人科技系列
While experts are developing 'greener' alternative fuel sources, a group of undergrads are creating a more natural one. 当专家们还在研发更环保的燃料时，一群在校生已经开始制作一种天然的燃料。 The team is working towa
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MANAGUA, June 19 (Xinhua) -- U.S. firm Noble Energy Inc. will begin drilling on Nicaragua's first exploration oil well in August under a government concession, the company announced Wednesday. The well is near the town of Puerto Cabezas, which is on
英语新闻
German Car Manufacturer Audi Creates Fuel From Air And Water 奥迪用空气和水合成新燃料 Creating an alternative green or carbon neutral fuel to replace gasoline has been the holy grail for scientists for many years. However, while there has
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LA PAZ, April 9 (Xinhua) -- Bolivian President Evo Morales Wednesday praised his government's decision to nationalize the energy sector, calling it the main engine driving Bolivia's economic and social development. Speaking at an official event in Pa
英语新闻
玻利维亚，委内瑞拉双边关系面临新的阶段 LA PAZ, Oct. 9 (Xinhua) -- Bolivia and Venezuela will move toward a new stage in bilateral economic ties marked by major national projects in agriculture and energy, Venezuela's Foreign Minist
英语新闻
HOUSTON, Sept. 7 (Xinhua) -- British oil giant BP announced Wednesday it had a major oil discovery in the Gulf of Mexico. An appraisal well the company drilled in a previously untested northern segment of the Mad Dog field in the Gulf of Mexico found
英语新闻
HOUSTON, July 24 (Xinhua) -- An out-of-control natural gas well ignited a fire on a rig off the coast of the U.S. state of Louisiana in the Gulf of Mexico, and the raging blaze has caused its production platform to collapse, authorities said on Wedne
英语新闻
模仿句子：Now there's long been talk about peak oil, the point of which the amount of hydrocarbons available to us starts an inexorable downward decline. 翻译：很久前人们就提到过石油峰值，即在达到某一峰值时，可供我们
英音模仿秀
Science and technology 科学技术 Prospecting for oil 石油勘探 Grains of truth 千虑一得之法 Putting rocks in medical scanners may help the search for oil and gas 采用医学扫描仪对岩石样本扫描，可帮助寻找石油和天然气
经济学人科技系列