[电] 含汞化钠电池

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

发表于:2018-12-01 / 阅读(146) / 评论(0) 分类 VOA2003(下)-环境与健康

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

发表于:2018-12-04 / 阅读(87) / 评论(0) 分类 每天三分钟学英语

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

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(九)月

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

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2017年Scientific American(二)月

UNIT 67 HEALTH AND MEDICINE (Ⅱ) Lesson 133 Part Ⅰ Warming-up Exercises Instruction-following: Medication Cure: _______________________ Preparation: tablets -- __________ water, dissolved Dosage: r

发表于:2018-12-27 / 阅读(125) / 评论(0) 分类 英语听力入门 (全四册)

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

发表于:2018-12-30 / 阅读(126) / 评论(0) 分类 国家地理2008年

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

发表于:2019-01-03 / 阅读(68) / 评论(0) 分类 医务英语

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

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 医务英语

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

发表于:2019-01-03 / 阅读(99) / 评论(0) 分类 医务英语

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

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(五)月

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

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2010年(四)月

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

发表于:2019-01-26 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2019-01-31 / 阅读(102) / 评论(0) 分类 VOA常速英语2008年(四月)

地球村时代,英语和中文也全球化了。爱吃零食的你怎能不会看包装袋的英文呢?小心哦,不要一不留神,营养没跟上,脂肪增加不少了哟。健康又美味,包装英语跟我学! 国外食品的包装上,

发表于:2019-02-01 / 阅读(156) / 评论(0) 分类 实用英语

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

发表于:2019-02-04 / 阅读(228) / 评论(0) 分类 英语新闻

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

发表于:2019-02-07 / 阅读(209) / 评论(0) 分类 趣味英语

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

发表于:2019-02-07 / 阅读(119) / 评论(0) 分类 阅读空间

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

发表于:2019-02-18 / 阅读(161) / 评论(0) 分类 英语新闻

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

发表于:2019-02-25 / 阅读(158) / 评论(0) 分类 《海底两万里》中英双语有声读物

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

发表于:2019-03-05 / 阅读(114) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
acrocoracohumeral
angostura extract
annular gun
antae
arch-tops
bladud
bolt upright-ness
branch tendril
cambace
cauldron crater
central refrigerating system
closed cell sponge
cloud element
co-chairman
coated glass
Cohn's solution
concrete of neflier
coniferals
continental fitting
coulet
credit mixture
dna (deoxyribonucleic acid)
El Matmar
ex-felon
facial nerve anastomosis
farben
fire-resistant treatment
flavours-of-the-month
Fr.P.
fulgides
full-service brokerage
Gauss-Newton-Raphson (GNR) method
grain unit
hepatological
high strength corrosion-resistant plate steel
ingression
insertional growth
inventory decision
ionization radiation
kareba, kareeba
keep sb down
Kitamoto
kormantine upper (cormantine)
Laplace's demon
Latin American
Limbungan
line emission cloud
marginal rate of tax
Masare
mervs
MoH
monta
multiprocessor structure
neoclassical price-incentive model
non-clastic
oscillating tooth carrier
overhalled
overspeed cableway
Periquito, Sa.do
personal decision analysis
pheuterer
physical medium attachment
pilos-
powder squeezer
pronunciational
protein envelope
qantas
radio observation
radziwill
ragalike
Raphionacme
regulation gear for lubrication
reigning winds direction
resen
Rosenbach's law
Ross seal
scaled pulse
secondary dispersion halo
smokinesses
spanwanned
standard run quantity
steel tank
stick at trifles
stria medullares fossae rhomboideae
strike-slip fault
stromnite
tax free profit
techstep
tetany transit (of mare)
the devil incarnate
theosophies
thermoelectric cooling material
tinsmith
to prioritize
ton dead weight
unsignalized intersection
vacuum cups
warning siren
water reducing agent
wigner three-j symbol
wind bracing system
wous