单词:heats of formation
[化学] 形成热
单词:heats of formation 相关文章
Rovaniemi is certainly an out of the way area. It's hundreds of kilometers from most of Scandinavia's well known cities. But despite this, tourism is booming in the far north, despite austerity and financial crises elsewhere in Europe. Over half a mi
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t
She worries a lot. She worries about polar bears. They are big, white bears. They live in the north. They need snow. They need ice. They need cold weather. There is too much pollution. Pollution heats up the Earth. Heat melts the ice. The ice is the
1. Sectarian violence rage s in Iraq. Gunmen killed 21 people in Iraq Sunday, including 12 students on their way to take exams. Militants also opened fire on a minibus carrying telecommunication emplo
Cloud 云 A cloud is a massive droplets in the sky. 云是天空中大量的小水滴。 When the sun heats up the Earth, water on the Earth evaporates and becomes a cloud. 地球受到太阳的烘烤时,地球上的水就会蒸发并凝结成云。
LONDON, July 30 (Xinhua) -- China's Ye Shiwen showed that her world record display in the women's 400 meters medley was no flash in the pan when she clocked the fastest time in the heats for the 200 meters event on Monday morning. The 16-year-old was
This is IN THE NEWS in VOA Special English. The November fourth presidential election in the United States is only about three months away. The two candidates are in a close race. Recent opinion studies show voters are most concerned about the econo
Kurdish Issue Heats Up Before Turkey's Parliamentary Vote With just weeks to go before Turkey's June 12 parliamentary vote, tensions are rising over Turkey's Kurdish minority's demands for the greater rights. The election campaign has already been ma
The Forgotten Renewable: Geothermal Energy Production Heats Up MICHEL MARTIN, HOST: We're going to hear now about a different natural resource - geothermal reservoirs. They are all across the American West, and they could be used to power millions of
By David McAlary Washington, DC 08 August 2006 watch Global Warming Overview Global Warming Searing summer temperatures are shattering records across much of the northern hemisphere. Some European nuclear power plants have cut output because river w
The picturesque Western Cape mountain range at the southern tip of Africa lays claim to one of the world's most diverse floral kingdoms. And researchers are scouring the mountains in search of the droppings and urine of a small local inhabitant which
By Noel King Kigali 03 December 2007 Fighting has again erupted in eastern Congo's North Kivu province between forces loyal to dissident General Laurent Nkunda and the Congolese army. Noel King has more in this report from Kigali. Rebels and Congo's
By Mandy Clark London 13 November 2007 A city in Britain and a U.S.-based fast food chain are teaming up to cut carbon emissions as well as save energy and space in the local landfill. Some 130 buildings in the City of Sheffield are now being powered
WASHINGTON, June 26 (Xinhua) -- Both Ryan Lochte and Michael Phelps reached the semifinals of the men's 200m freestyle at the US Olympic swimming trials. Lochte, who beat Phelps in the event for the world title at Shanghai worlds last year, clocked o
TEHRAN, Oct. 18 (Xinhua) -- Iranian(伊朗) leaders on Monday urged for the quick formation of the Iraqi government, saying that will serve the interests of the Iraqi people and enable them to enjoy stability, security, unity and prosperity(繁荣
Right now He's probably slow dancing With a bleached-blond tramp And she's probably getting frisky... Right now He's probably buying her some Fruity little drink Cause she can't shoot whiskey... Right now He's probably up behind her With a pool-stic
By Anita Elash Paris 10 April 2007 The first round in the campaign for a new French president is in its final phase with candidates broadcasting their official campaign messages. Anita Elash reports from Paris. The 12 candidates in this race have bee
This year, the United Nation's International Panel on Climate Change issued a series of reports that concluded there is no longer any doubt that human activities are causing the planet to warm up. The IPCC called for an immediate response from the in
BEIJING, Jan. 05 (Xinhuanet) -- Tighter licensing and banning unlicensed food processors are two measures needed to improve the poor quality of cooked food in Guangzhou markets, says a new proposal. The proposal, to be presented to the Guangzhou comm
As Rio de Janeiro prepares for next year's Olympic Games the city , known for its beauty as well for its gap between rich and poor, is changing. As part of an attempt to integrate Rio, the government opened and artificial beach in Rio's poor north zo