单词:sodium amalgam-oxygen 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
提起diet大家都知道有节食的意思。那么,你知道diet作为节食的时候究竟应该怎么用吗? Diet除了表示节食的意思,也可以单纯表示饮食习惯,是中性词哦~ 1. Go on a diet 节食减肥 2. Be on a diet 节
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no
Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a
UNIT 67 HEALTH AND MEDICINE (Ⅱ) Lesson 133 Part Ⅰ Warming-up Exercises Instruction-following: Medication Cure: _______________________ Preparation: tablets -- __________ water, dissolved Dosage: r
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
Darwinian medicine - an approach to the treatment of infective diseases which takes account of the co-evolution between the host and its parasite. Deciduous - from the Latin
头孢菌素类 第三代 头孢地尼 Cefdinir Cefzon 头孢布坦 Ceftibuten 头孢布烯,Cedax 头孢卡品 Cefcapene Pivoxil 头孢卡喷新戊酰氧甲酯,Flomox 头孢噻肟钠 Cefotaxime So
青霉素类 苯唑西林钠 Oxacillin Sodium 新青霉素Ⅱ,苯唑青霉素钠,苯甲异噁唑青霉素 奈夫西林 Nafcillin 新青霉素Ⅲ,乙氧萘青霉素 匹美西林 Pivmecillinam 氮卓
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
Salt is believed to be the single most harmful thing in our food, contributing to high blood pressure For years doctors have been telling patients with high blood pressure to cut down on the amount of salt in their diet. Now a prestigious panel of ex
Under normal circumstances, each of your brain cells allows various substances, such as sodium, calcium and potassium to permeate its outer cell membrane. Once inside the brain cell, these substances help give the cell stimulus it needs to function p
By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo
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
If you've been inside a grocery store in the past couple of years, you've probably noticed the trend in food manufacturers adding Made with sea salt to their product packaging. The claim shows up on a wide variety of foods - from organic whole grain
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
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
台湾籍旅美老师今天交给我们的句子是: Blood is the tissue that not only carries cells that transport oxygen, for example, the red blood cells, or fights infectious diseases, but it also carries messenger molecules, hormone-like facto