[化] 分子电子能级

My energy levels go up and down. Sometimes Im full of energy, and sometimes Im drained of energy. Mornings are when my energy levels are high. I wake up ready to go. I dont need 30 minutes to wake up, like some people I know. For some reason the food

发表于:2018-12-04 / 阅读(125) / 评论(0) 分类 听一分钟英文-E

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(四)月

My energy levels go up and down. Sometimes Im full of energy, and sometimes Im drained of energy. Mornings are when my energy levels are high. I wake up ready to go. I dont need 30 minutes to wake up, like some people I know. For some reason the food

发表于:2018-12-26 / 阅读(107) / 评论(0) 分类 纯正英语一分钟

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(94) / 评论(0) 分类 英语听力文摘 English Digest

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(362) / 评论(0) 分类 60秒科学

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 电信英语

EDUCATION REPORT - Electronic Games in Education By Nancy Steinbach Broadcast: Thursday, May 27, 2004 This is Steve Ember with the VOA Special English Education Report. For some educators, there is no

发表于:2019-01-07 / 阅读(156) / 评论(0) 分类 教育与新闻

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十)月

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(七)月

THIS IS AMERICA - Debate Over Electronic Voting By Jill Moss Broadcast: Monday, July 05, 2004 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Gwen Outen. VOICE TWO: And I'm

发表于:2019-01-11 / 阅读(230) / 评论(0) 分类 This is America

Dogs are known for a strong sense of smell. Their noses can be trained to identify different odors. Dogs are often used in search and rescue operations and to sniff for things like drugs and explosives. Some dogs have even been trained to sniff for c

发表于:2019-01-11 / 阅读(147) / 评论(0) 分类 2011年VOA慢速英语(一)月

Electronic Dance Music Bounds into Mainstream When the American Music Awards present their top honors November 18, there will be a new category: Electronic Dance Music (EDM). EDM is a fresh sound that is spilling out of night clubs and blasting into

发表于:2019-01-14 / 阅读(155) / 评论(0) 分类 VOA标准英语2012年(十月)

ROBERT SIEGEL, HOST: Adam Frank usually has his head in the sky. He's an astrophysicist. It's an occupational hazard. Right now, though, he is dazzled by the universe of green right here on Earth. ADAM FRANK, BYLINE: Now that we're well past the star

发表于:2019-01-17 / 阅读(104) / 评论(0) 分类 2017年NPR美国国家公共电台6月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(184) / 评论(0) 分类 2016年Scientific American(十)月

BERLIN, April 25 (Xinhua) -- A study recently published in the journal Nature Chemical Biology opens up new avenues in biohydrogen research, the Technical University of Berlin (TU Berlin) said on Friday. Scientists at the TU Berlin succeeded in expla

发表于:2019-01-26 / 阅读(114) / 评论(0) 分类 英语新闻

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(123) / 评论(0) 分类 英语新闻

With consumers rushing to buy the latest gadgets, the problem of what to do with discarded electronic products is becoming a growing environmental concern. Although electronic recycling is not yet as popular as paper and plastic recycling, two Americ

发表于:2019-02-12 / 阅读(148) / 评论(0) 分类 VOA标准英语2010年(七)月

Imported drugs to go on China's electronic monitoring network BEIJING, Oct. 8 (Xinhua) -- China's food and drug safety watchdog plans to put imported drugs on the national electronic monitoring network in a move to step up drug management. Overseas p

发表于:2019-02-18 / 阅读(225) / 评论(0) 分类 英语新闻

Among many things, water pollution prevention and control was strengthened. The percentage of water rated at level 5 grade, which is the lowest grade, decreased 6.8 percent. Also, daily waste water treatment capacities for cities and towns increased

发表于:2019-02-25 / 阅读(144) / 评论(0) 分类 cctv9英语新闻2016年

1. Eggs keep you feeling full much longer than cereal or toast. The protein and fat in eggs helps sustain your energy levels, keeping you satisfied for longer and reducing the need for a morning snack. 相较于谷类或面包,鸡蛋带给你的饱胀

发表于:2019-03-06 / 阅读(154) / 评论(0) 分类 英语听力广播—Listening
学英语单词
Adams, John Couch
astronautic ecology
azimuth adjustment
bajra
Barnesboro
bibliothque
black lung diseases
blast furnace well
brilliant polish
buy earnings
cellarmasters
charge power supply
Chick-Martin
chloros
closeknit
cobalt trivalent oxide
commenda
conduit elbow
cookly
coordinate rotary table
Craigdarroch
Datisca
desert salt bed
dimixis
directly attached plow
eclecticise
ectoturbinates
electric quadrupole lens
emancipators
favose
flexible employment
flow with
floweriness
gone belly up
have a conference with
heavenly stem
hemopoiesis-
heroin-users
high pressure heating
hiostation
Indosasa sinica
inductive choke
jadestones
K'ersa Shet'
kimmin
Kolmogorovo
lenz's law
local checker
lunates
McDonald Observatory
molecular thermodynamics
Namalemba
NAREC
nasorostral
nonny-no
oedema(edema)
Ombrain
organoplastic
Panicum villosum
Payment float
pentagrammic
pregnenolone-16a-carbonitrile
proveras
quasi-coherent sheaves
reducting
restoring and treating injured soft tissues
rosdolsky
saving clause
scoating
sealing agents
semipros
single mooring buoy
sodium metatitantate
soil erosion intensity map
sooo
Spanish cress
Sphaerocaryum malaccense
split sentence
stearic acid film
sternocleidomastoid region
stimulin
swiss-cheese
tarsotarsal
time-scale geomagnetic polarity
Tithonian
trapshooting
travel cost
tributyl borate
two OR gate
urinaid
vein transplantation
very long-chain
war cemeteries
water cooled impression tray
white-pot
whte rust
wire-wound potential-meter
work stoppage loss
Wyndmere
Yagodnoye
ytterbium glass laser
Yuda