单词:mercury amalgam
单词:mercury amalgam 相关文章
Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th
What is the chance of the pulp dying,Doctor? 医生,牙髓坏死是常见的死吗? You can't be absolutely sure in these cases,but I'm very confident (sure) that everything will be OK. 你的情况不一定是牙髓坏死, 我有信心一切
allure v.引诱,n.诱惑力 allurement n.诱惑物 alluvial adj.冲积的 ally n.盟国,支持者 almond n.杏树,杏仁 alteration n.改变,变更 altercation n.争吵,争论
Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a
The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
Theres been a massive political protest in the South Korean capital Seoul. Hundreds of thousands of people turned out to demand President Park Geun-hyes resignation. She is accused of allowing her friend Choi Soon-sil to access government documents w
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
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is
How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known
SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B
The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying
The U.S. space agency NASAs Messenger probe(正直的,廉洁的 ) is scheduled to reach Mercury later this week, and become the first spacecraft to orbit the planet closest to the sun. During Messengers year-long orbital mission, scientists exp
The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting
By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-
Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by
LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin
Sodium? 钠吗? Yes, sir. Mixed with mercury, it forms an amalgam that takes the place of zinc in Bunsen cells. 是的,先生。钠跟汞混合,成为一种合金,代替本生电池中所需要的锌。 The mercury is never depleted. Only the
GRE词汇对考生们的要求是比较高的,并且一些疑难的词汇会为考生们造成困扰,小编为考生们汇总了GRE考试八个难词,并做了相关解析。 abhor 憎恶,厌恶:恐惧或憎恨;痛恨 (ab-away-远离,hor-
Part six 第六章 Apicoectomy 根尖切除术 Excuse me. Is the Doctor in? 请问,医生在吗? Good afternoon, sir. The Doctor is here today. Do you have an appointment? 下午好,先生。医生今天不上班。你预约了没有? No, I d