单词:pressure displacement cell
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
ork Pressure Work pressure refers to the compelling force or influence that comes from one's work. Nowadays with the competition in the work field becoming more and more fierce (激烈), work pressure has become a serious problem for every person. It
This is Scientific Americans' 60-Second Science. I'm Steve Mersky. Got a minute? Its the kind of thing we can look forward to more in the coming years: Personalized drug regimens based on our individual DNA. The example of this new kind of Personaliz
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
My real biological mother left me in a basket with me and my sister saying that we were twins and she waited to make sure that we were safe and then my mom right now Betsy, she came to get me in China to adopt me and she took me back to America as, a
Dermatan sulphate - a glycosaminoglycan found in skin, tendon, blood vessel and heart valves. Desmosomes -one of the types of cell junctions by which cells join or communicate with each other. Desmoso
By Dan Robinson Capitol Hill 25 April 2007 Lawmakers in the U.S. House of Representatives are urging Arab states to step up pressure on Sudan to end the bloodshed in Darfur. VOA's Dan Robinson reports from Capitol Hill, where the House considered a r
Israel is warning the United States and other countries not to pressure it into reaching what it says could be a premature Palestinian peace agreement. Israel's chief negotiator says too much pressure could result in another Palestinian uprising and
Easing Displacement through Development Last year there were more than 26-million people displaced within their countries by violence, conflict or natural disasters. A new report says development initiatives may help alleviate or even prevent displac
The International Organization for Migration reports a significant drop in the number of Haitians living in displacement camps. IOM reports for the first time since the catastrophic earthquake struck a year ago, the camp population in Haiti has gone
Religious Freedom Report Highlights Displacement, Repression STATE DEPARTMENT U.S. Secretary of State John Kerry says countries that undermine religious freedoms ultimately threaten their own security. Secretary Kerry says those who attack religious
Report: Displacement Risk Soars Its estimated about 27 million people are displaced every year by natural disasters. A new report says the problem will get worse with more frequent extreme weather events and development in hazard-prone areas. Interna
HEALTH REPORT - Blood Pressure Drugs May Prevent Dry Eye Syndrome By Jerilyn Watson Broadcast: Wednesday, April 07, 2004 This is the VOA Special English Health Report. Many people around the world suf
By Carol Pearson Washington, DC 06 July 2006 watch Stroke Prevention report People with diabetes, sickle cell anemia, or sleep apnea are at risk for having a stroke. The American Stroke Council has some guidelines that can help prevent stroke. -----
By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
今天我们要学的词是peer pressure。 Peer, 是同伴,同龄人;peer pressure, 就是来自同伴的压力。 Teenagers tend to give in to peer pressure, 青少年很容易受同龄人的影响。 Peer pressure plays a part in youth drinkin
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi