增加锌化物的溶解性能

This is the VOA Special English Development Report. Right now, the top story in AIDS research involves newly announced findings about adult male circumcision. Two studies in Africa found that circumci

发表于:2018-11-27 / 阅读(366) / 评论(0) 分类 2006年慢速英语(十二)月

Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus

发表于:2018-12-02 / 阅读(85) / 评论(0) 分类 Scientific American(十二)月

1. Parts of North Carolina all the way up to Massachusetts have been rattled by an earthquake. The 5.9-magnitude quake was centered in Virginia and has caused minor damage and some injuries. 2. Hundreds of Libyan rebels have stormed one of Muammar Ga

发表于:2018-12-15 / 阅读(131) / 评论(0) 分类 美联社新闻一分钟2011(八月)

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Generations of American children have been told, Eat your broccoli! And for decades, researchers have known that broccoli and related vegetables like cauliflower and water

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(三)月

Ever wondered why mosquito eat some people up but leave others relatively unscathed. a new study find this prefential treament due to smells produced by the microscopic critters that cover our bodies. the reaserch is in the journal public library sci

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Take a deep breath. Taste anything? Actually, your lungs may, because scientists have discovered that the same receptors that exist on the tongue to tast

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(十)月

Saturated solutions - Salts such as the apatites do not readily become ionized and dissolve in water. When no more ions can dissolve the solution is said to be saturated. The concentration of ions in

发表于:2019-01-03 / 阅读(136) / 评论(0) 分类 医务英语

Sesamoid bone - a small bone which appears at the age of thirteen, adjacent to the carpo-metacarpal joint of the thumb and is of use in determining the skeletal age of a child. Sharpey's fibres. - are

发表于:2019-01-03 / 阅读(139) / 评论(0) 分类 医务英语

This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Wine can help keep conversation flowing at a dinner party. And now it looks like that wine may aid in materials science as well. Japanese researchers dis

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(三)月

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 医学英语

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-01-18 / 阅读(62) / 评论(0) 分类 英语单词大师-Word Master

SCIENCE IN THE NEWS - From A to Zinc: The Story of Vitamins By Nancy Steinbach Broadcast: Tuesday, March 29, 2005 (MUSIC) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special

发表于:2019-01-30 / 阅读(111) / 评论(0) 分类 科技之光

Zinc supplements reduce the average cold by about a day and also make symptoms(症状) less severe, according to the latest findings. There's no cure for the common cold, but there's no shortage of ways to treat the symptoms. For a number of year

发表于:2019-02-05 / 阅读(79) / 评论(0) 分类 英语新闻

AA: I'm Avi Arditti. Rosanne Skirble is away, but joining me from Los Angeles is English teacher Lida Baker to explain our topic on Wordmaster this week. It's a feature of the language called compounding. LIDA BAKER: Compounding is when we take two w

发表于:2019-02-14 / 阅读(54) / 评论(0) 分类 英语单词大师-Word Master

进行英语面试时,面试官会问到,你为什么觉得你胜任这项工作。那么你的回答就要让面试官相信你能把这份工作做好。本文列出了一些常见的问题和回答,仅供参考。 I (Interviewer 面试者) A

发表于:2019-02-18 / 阅读(131) / 评论(0) 分类 实用英语

But thats what comes out after we eat asparagus, which is not necessarily the same was what went in. Our digestive systems do some pretty complex chemistry, you know. Plus, the act of cooking the asparagus probably changes the chemistry around a bit,

发表于:2019-02-23 / 阅读(75) / 评论(0) 分类 英语时差8,16

Why is my verse so barren of new pride, 为什么我的诗缺乏点晴之笔, So far from variation or quick change? 行文沉闷呆板,千篇一律? Why with the time do I not glance aside 为什么我的诗不顺应时尚, To new-found meth

发表于:2019-02-24 / 阅读(158) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
adjacent carbon atom
aluminium oleate
annual loan planning
antifactory
aorto-pulmonary septal defect
audio-casi
audit of bookkeeping procedure
bayou lake
bonded wire ga(u)ge
broiled
bushmanship
caustic liquor
Centro Per gli Studi della Tecnica Navale
Cerniny
certificate for ratings
cholegraphy
chromatographic species
dentriculigerous
double twill weave
drooping juniper
economic unification
ecosystem hierarchical model
emission interference
equivalent n-th modal unbalance
estampies
experimental field
exponential pile
fenixes
fertile egg
filament length
filelength
foreign currency bill receivable
geotechnic
get under
giberish
gold code
gunite work
heads I win, tails you lose
inbody
informal act
infuriatingly
inlet-air filter
input-output technique
interindustrial analysis
interoperator
killing zones
lima vulgaris
lump network
mark clarks
meaders
Methanoplanus
methyl isobutyl ketone
Monavullagh Mts.
mountainist
multilimbed
noisette rose
operating distance measurement
overcomings
paper fan
Parinaud oculoglandular syndrome
patrocination
people-smuggling
perverts
phenomenalism
Pico Truncado
Pirani vacuum gage
pleni
plexus coccygeus
pre-treated
qassemlou
quadruple launcher
radicalization
receiver indicator
reductive operator
reference projection
reflection kernel
ringing repeater
roving reporter
sectional mandrel
selective gapper
separation of aerofoil
shouting dictations
show sb. the way
signal wire
smoothing procedure
songwritings
spot welds
spyglasses
steep-slope roofs
stnd
straining sill
strength test
tank cross brace
thermalization time constant
thyristor excitation
uniformity of mixture
Uummannaq Fjord
vesperss
wine bucket
yaje
youth work
zygomere