[化] 共轭高分子

Everything that's alive and quite a few things that aren't, gives off heat. That's what you are looking at now. Every part of your body is burning up energy and creating heat as it goes about the busi

发表于:2018-12-07 / 阅读(126) / 评论(0) 分类 生命物语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(140) / 评论(0) 分类 60秒科学

Cocaine 可卡因 Cocculine 衡州乌药灵 Coclaurine 乌药碱 Codeine 可待因 Codonopsis P.E. 党参提取物 Colchicine 秋水仙碱 Columbin 古伦宾 Common cnidium fruit P.E 蛇床子提取物

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(177) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 Scientific American(四)月

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 医学英语

Today, Bonnie Trenga will help us figure out whether a fast-food chain is on the cutting edge of grammar, or its just being creative with verb tenses. Its time to dissect the McDonalds advertising slogan Im loving it. An ESL teacher named Devaki wrot

发表于:2019-01-10 / 阅读(143) / 评论(0) 分类 英语语法 Grammar Girl

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(207) / 评论(0) 分类 VOA标准英语2016年(二月)

Which is the hardest word to translate in this sentence? 哪一个单词是这个句子中最难翻译的? Know is easy to translate. know是很容易翻译的。 Pep rally doesn't have a direct analog in a lot of languages and cultures, but can be

发表于:2019-01-17 / 阅读(125) / 评论(0) 分类 TED演讲教育篇
学英语单词
aetiologic, aetiological
alfalfas
all-welded dock
analytical grade resin
animal albumen
automatic routine generating and up-dating system
bipolar neuroblast
brightening addition
Bundesliga
bundle handkerchief
capital of Morocco
cleme
copper-sulphates
corday
cross stacking
Crotalus lepidus
CRT screen
cuculid
dechlorination agent
dendrogeomorphology
diener
direct amidation
direct marketing by mail
discount charges for buyer's account
driving schools
Dérésia
electronics engineer
enbaissing
enrange
eradicator erase
expiry month
fablelike
fishing licence system
fleshpot
floccosest
follow the lead of sb
froebes
gamelan (java)
gravity hot water heating system
habutae
heat pipe oven
hockey bag
Homerid
honeyfuggles
hot water heating load
hot-water filter
inknots
inlet swirl flow dis tortion
interreducibility
ketamines
key work schedule
linear-slope delay filter
lizardfishes
look as if one came out of a bandbox
Lysanias
macroergate
matureness
maybury-lewis
me-tooer
melodize
minorate
mycoplasma bovirhinis
nutrient arteries
ochriasis
pbm
percussive coalcutter
Poa kelungensis
potassium permanganate consumption
pre-spring
Predil, P.del(Predel)
printer-terminal interface
quality oriented
quasi-stationary weather type
quick-dry
readmittance
residual internal stress corrosion
ribityl
route nationale
sameikle
Savoie, Dép.de la
scalop
sciophiles
sematology
semi-outdoor power house
Sonoma Peak
southeast coast
springlike
staff roster
standard machine time
syllestia
Tabolovo
tag editor
third-order hexagonal prism
Tjaktjajaure
topological groupoid
trans-Neptunian objects
transmission countershaft reverse gear
unit wear
vatted fish
Watts, Isaac
wrestling mats
xi baryon