单词:sulfide ores
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This is the VOA Special English Agriculture Report. A locavore is someone who eats foods produced locally. Locavores usually define local as within one hundred sixty kilometers. This new term grew out of a reaction to the long distances that food no
Politics Overtaking Science in Global Warming Debate Polls in recent years show that fewer Americans believe global warming is a threat or that it is driven by human activities. Thats despite consensus among scientists that climate change is not only
I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it
On a cold, dull, Winter day, I sometimes light a fire after picking the children up from school. We gather around and feel cozy. The lounge where we have the fireplace also has a computer and a Wii console, so there is plenty to do for everyone. Thou
Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system
From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other
By Mike O'Sullivan Los Angeles 19 September 2006 The Getty Center is one of the leading art institutions in the United States. It is also major center for restoration of damaged art works. The Getty museum has been embroiled in recent controversies
MARY LOUISE KELLY, HOST: I let you down. I should have acted faster and more decisively - the words of NPR CEO Jarl in an email to our newsroom. He met with NPR staff this afternoon two days after he asked for the resignation of senior vice president
DAVID GREENE, HOST: Let's talk about what to call a fact that is not a fact. President Trump made a string of statements at the CIA over the weekend. Our correspondent Mary Louise Kelly used this language to describe some of them. (SOUNDBITE OF ARCHI
GUY RAZ, HOST: Hey, Naomi, can you just quickly introduce yourself? NAOMI ORESKES: I am Naomi Oreskes. I'm the professor of the history of science and affiliated professor of Earth and planetary sciences at Harvard University. RAZ: So it's fair to sa
Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n
Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this
The forestry industry in New Zealand is in trouble. Forestry has always been one of our major export industries but in recent years, it has been declining. Nineteen sawmills closed this year, two in the last month. New plantings of trees reached the
By Lisa Schlein Geneva 12 May 2007 The World Food Program (WFP) says it will be able to restore food rations it was forced to cut for more than a million displaced people in northern Uganda. As Lisa Schlein reports for VOA from Geneva, the WFP says i