单词:ammoniochloride
单词:ammoniochloride 相关文章
New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc
SARAH MCCAMMON, HOST: And now to China, where a proposal from the country's ruling party could have implications for years to come. Today, the Communist Party proposed scrapping term limits for presidents. That would mean China's leader Xi Jinping ma
Poetry Month: What Makes A Haiku A Haiku? SARAH MCCAMMON, HOST: It's April 1, a day of celebrations - April Fools' Day, Easter Sunday and the first day of Poetry Month. Twitter is now officially open to your submissions to hashtag #nprpoetry. Every y
For Some Trump Loyalists, It's Personality Over Policy play pause stop mute unmute max volume 00:0003:56repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. D
DAVID GREENE, HOST: Services for the victims of the mass shooting of the Tree of Life synagogue in Pittsburgh begin today, and that includes a service for two brothers. For many in Pittsburgh's Jewish community, the event will begin the formal period
Trump Presents Dilemma For Evangelical Women, Once Reliable GOP Voters play pause stop mute unmute max volume 00:0003:47repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your
SARAH MCCAMMON, HOST: We're going to continue the conversation about guns by looking at one of President Trump's latest policy proposals - to arm teachers in schools. Earlier today, the president tweeted, quote, armed educators and trusted people who
DAVID GREENE, HOST: The love story between Isabell and Preble Staver came quietly to an end last month. The couple was together for more than seven decades. The Stavers were two of the hundreds of World War II veterans who are dying each day. NPR's S
SARAH MCCAMMON, BYLINE: Ohio might soon become the latest state to restrict abortions. A bill to ban doctors from performing abortions after a Down syndrome diagnosis has passed both chambers of the state legislature and could be on its way to the go
SARAH MCCAMMON, HOST: President Trump also is setting up a commission on school safety. He's asked Education Secretary Betsy DeVos to lead it. It will look at everything from arming teachers to age restrictions on gun purchases to video game violence
SARAH MCCAMMON, HOST: Drugs like Adderall and Ritalin are commonly prescribed to kids with what's known as ADHD, attention deficit hyperactivity disorder. But recently, adults became the biggest users of these drugs. The new Netflix documentary Take
ARI SHAPIRO, HOST: Sunday marks the 10th anniversary of the deadliest campus shooting in American history. Survivors' and victims' families will gather at Virginia Tech in Blacksburg to remember the 32 people who were killed. Many others were injured
DAVID GREENE, HOST: With the balance of the U.S. Supreme Court in question, abortion rights advocates are beginning to prepare for a future they hope never to see - one without the protections of the Roe v. Wade decision. The confirmation of Presiden
DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher
DAVID GREENE, HOST: This month, we have been looking at life in rural America and sharing the results of a new poll from NPR, the Robert Wood Johnson Foundation and the Harvard T.H. Chan School of Public Health. It found 1 in 4 rural Americans view o
SCOTT SIMON, HOST: During hurricanes like Florence, many people find themselves trapped and needing rescue. This week, while he visited eastern North Carolina, President Trump thanked the first responders who sometimes risk their own lives to help. (
Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main
This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway
Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S
First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。