汽轮机发电机组热效率

Studying for a big exam at school or a presentation at work, but don't forget to get a good night's sleep. Brain scientists report more evidence this week that sleep can improve your memory. Researche

发表于:2018-12-11 / 阅读(198) / 评论(0) 分类 万花筒2006年

By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis

发表于:2018-12-16 / 阅读(238) / 评论(0) 分类 VOA标准英语2008年(一月)

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(280) / 评论(0) 分类 四六级词汇与结构练习

The fine-furniture store where I work has been in business since the 1920s.Recently I received a call from a woman who wanted to replace some chairs from a dining set purchased from us in the 1930s.I

发表于:2019-01-03 / 阅读(200) / 评论(0) 分类 英汉幽默故事选读

AGRICULTURE REPORT - Using Water to Produce Electricity By Gary Garriott Broadcast: Tuesday, May 04, 2004 This is the VOA Special English Agriculture Report. The power of flowing water can be used to

发表于:2019-01-04 / 阅读(278) / 评论(0) 分类 农业与发展

Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power

发表于:2019-01-04 / 阅读(227) / 评论(0) 分类 VOA标准英语2010年(六)月

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(282) / 评论(0) 分类 英语新闻

Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热能 Mirrors in glasshouses 温室的反光镜... can be used to heat stones ...能用于加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that

发表于:2019-01-07 / 阅读(229) / 评论(0) 分类 经济学人科技系列

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

发表于:2019-01-08 / 阅读(303) / 评论(0) 分类 Scientific American(十一)月

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

发表于:2019-01-12 / 阅读(235) / 评论(0) 分类 2012年VOA慢速英语(十一)月

Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall

发表于:2019-01-14 / 阅读(243) / 评论(0) 分类 VOA标准英语2015年(十一月)

Scientists Aim to Boost Efficiency of Wind Farms 科学家致力于提高风力发电的效率 Modern wind turbines usually operate in groups or so-called wind farms, some of them with more than 100 turbines. But the air turbulence they create decrea

发表于:2019-01-14 / 阅读(202) / 评论(0) 分类 VOA标准英语2015年(三月)

Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热 Mirrors in glasshouses can be used to heat stones 玻璃房里的镜子.....可以用来加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that

发表于:2019-01-26 / 阅读(232) / 评论(0) 分类 经济学人科技系列

Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli

发表于:2019-01-26 / 阅读(244) / 评论(0) 分类 经济学人综合

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

发表于:2019-01-27 / 阅读(232) / 评论(0) 分类 新西兰英语

It happens every summer: offices turn on the air-conditioning, and women freeze into popsicles. But until now, there was no data to understand why women felt cold and were slipping on cardigans while men just rolled up their sleeves at the same tempe

发表于:2019-02-05 / 阅读(270) / 评论(0) 分类 英语新闻

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(214) / 评论(0) 分类 英语新闻

By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr

发表于:2019-02-06 / 阅读(253) / 评论(0) 分类 VOA常速英语2007年(十一月)

Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上,也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc

发表于:2019-02-24 / 阅读(272) / 评论(0) 分类 经济学人综合

有一种思念叫望穿秋水,有一种寒冷叫做忘穿秋裤。最近,全国各地的天气都变凉了,大家翻箱倒柜找出了尘封已久、又恨又爱的抗冻神物--秋裤。面对这种全世界恐怕只有中国人才穿的裤子,

发表于:2019-02-25 / 阅读(228) / 评论(0) 分类 英语口语
学英语单词
a very few
absolute joule
acuteness of vision
aether petrolei
airline operation
allyl iodide
Alsovadasz
automatic flow-control
back-handedly
banking law
benchtops
bioerodible
bipolar system development set
blaeket scaffold
bleaching room
bocland
both-handedly
bring-and-buy
change of state
chlorenchyma
Cholesterin-pigment-calcium
colloid cyst
conductor vibration
deintellectualizing
desilverizing vessel
diplomatic prerogatives
drainage by shaft well
economic assigned generation
efaproxiral
enstore
fair weather electric field
field-vole
fireplaces
fossil fuels
foudroyant typhoid fever
free transfer
functional position
futuresell
given year weight
gossomer
hancock mt.
hand-rabbled roaster
hipflask
independent store
infrared color film
institution-builders
intending purchaser
interesa
intra-system electromagnetic compatibility
inutero
ional
Japan Transport Consultants Association
KVE
load drop anticipator
Marlboro(Marlborough)
mary rose
Micrococcus pyogenes var.albus
minimum-weight path
monadmock
multidimensional outcome variable
not at all
Novodevich'ye
PFRC
power level indicator
pre-arrange
present standard
profligated
quiety
radar power unit
radio navigational aid
radioactive scanning
recorder finder
retention index
revaluation
rewakens
rock and roll
rubber polish cup
scentlessness
school aids
seismological table
sequesterment
serial transfer
Seseli delavayi Franch.
shrubby cinquefoil
Singkawang
stability of system
standard PAL
strips interval
swing through
Teguise
tendon laxity
That's the spirit!
theoretical torque
toy-boys
Ugro-
ul-cladene
urban amenities
uterine cycle
vibratile corpuscle
Weber effect
woods
yang organ