单词:minimum igniting energy of methane
单词:minimum igniting energy of methane 相关文章
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
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
South Africa Uses Biogas to Turn Waste into Power 南非利用排泄物转换成沼气燃料 JOHANNESBURG Like many countries, South Africa is struggling to meet its energy needs. But instead of developing new technologies, the nation is trying a dif
'Fab Lab' Igniting Revolution in Kenya NAIROBI, KENYA The University of Nairobis Science and Technology Park is banking on 3-D prototyping to spark a manufacturing revolution in the country. This is the 3D MakerBot printer in action. The machine is a
This is the VOA Special English Economics Report. Many people think the search for cleaner energy leads only to renewable resources like sun, wind and water. But it also leads to a fossil fuel. Natural gas is considered the cleanest of the fossil fu
In the northwestern United States, the city of Seattle requires its residents to separate food waste from the rest of their trash. The food gets recycled into compost for lawns, gardens and, soon, into electricity. 美国西北地区的西雅图市要求
(MA) Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate
JEFFREY BROWN: Finally tonight, new findings and charges in the investigation of the Upper Big Branch Mine disaster in West Virginia. It was the deadliest in the U.S. in four decades29 men were killed on April 5, 2010, after an explosion at the mine
California Seeks China's Help in Going Green From VOA Learning English, this is the Technology Report. California Governor Jerry Brown wants to increase partnerships between his state and China. The governor traveled to China last week to seek Chines
Technology Report - California Seeks China's Help in Going Green 科技报道 - 加州在绿色能源方面寻求中国帮助 From VOA Learning English, this is the Technology Report. 这里是美国之音慢速英语科技报道。 California Govern
AS IT IS 2015-09-18 Palestinians Turn Organic Waste into Gas for Cooking 巴勒斯坦人将有机废物转化成天然气做饭 Rural communities in developing countries often have trouble securing dependable supplies ofenergy for cooking and lightin
By Stephanie Ho Washington 31 May 2007 As long as there are people on the planet, there will be garbage. The rubbish often piles up in landfills that produce a harmful greenhouse gas called methane. VOA's Stephanie Ho reports solid waste managers hav
In the northwestern United States, the city of Seattle requires its residents to separate food waste from the rest of their trash. The food gets recycled into compost for lawns, gardens and, soon, into electricity. Every day, at Cedar Grove Compostin
拉脱维亚垃圾处理厂助益番茄农场 Latvian consumers who enjoy these yellow tomatoes may not even know that they are locally grown, let alone that they grew with the help of their own garbage. 喜爱这些黄色西红柿的拉脱维亚消费
By Mil Arcega Washington, DC 06 September 2006 watch report Green Business Many companies are learning they can be both pro-business and pro-environment without hurting the bottom line. In fact, for some, it's been quite profitable. ----- Being envi
ROBERT SIEGEL, HOST: Adam Frank usually has his head in the sky. He's an astrophysicist. It's an occupational hazard. Right now, though, he is dazzled by the universe of green right here on Earth. ADAM FRANK, BYLINE: Now that we're well past the star
Scientists in Argentina may have just the answer to combat global warming. 阿根廷科学家或许找出了解决全球变暖问题的方法。 With cows being responsible for up to 25 percent of the methane gas released in the US each year, a group
今天我们要学的词是 minimum。Minimum 最少的,最起码的。You need to keep a minimum balance of $250 in your checking account in order to avoid a monthly fee. 如果不想交月费,你活期帐户余额必须维持在250美元以上。
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
When we think of waste, we dont usually think utility. Yet, as we face droughts, limited landfill space, and depleting natural resources, weve been forced to reconsider our castoffs, with interesting results. These five case studies show that with in