[物] 零能密度效应

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

发表于:2018-12-07 / 阅读(350) / 评论(0) 分类 超大质量黑洞

微波炉发明源于一项最高军事机密 Many people around the world use a microwave oven every day, not knowing that a crucial part of it was once a top military secret. 世界上许多人每天都在使用微波炉,但却不了解它曾经是一

发表于:2018-12-16 / 阅读(64) / 评论(0) 分类 VOA标准英语2016年(二月)

Chinese authorities have enacted a new regulation for car makers from April 1. All domestic and foreign auto makers that operate in China now run under a two-credit system, which consists of the index of Car Average Fuel Consumption - or CAFC - and t

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 2018CRI中国国际广播电台

[00:00.00]Unit 9 Good Health [00:05.23]Lesson 35 [00:06.80]1.3 Some people say that if you drink milk [00:11.48]before you go to bed, [00:13.12]You will have bad dreams, [00:15.06]but this is not true. [00:16.77]Milk helps you sleep better. [00:20.15

发表于:2018-12-29 / 阅读(183) / 评论(0) 分类 北师大版初中英语八年级下

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(55) / 评论(0) 分类 英语听力文摘 English Digest

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(81) / 评论(0) 分类 2017年VOA慢速英语(五)月

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2014年VOA慢速英语(九)月

Experts and diplomats are predicting Japan's recent deadly earthquake and tsunami, along with its ongoing nuclear reactor crisis, will not have too much of an effect on Japan itself in the long-term, but rather on energy policies in other countries.

发表于:2019-01-14 / 阅读(68) / 评论(0) 分类 VOA标准英语2011年(三月)

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

发表于:2019-01-14 / 阅读(72) / 评论(0) 分类 VOA标准英语2014年(七月)

How Military Research Finds Its Way to Everyday Life 军事研究是如何走进日常生活的? WASHINGTON Sometimes simple scientific advances in one field can have value far beyond their intended use. Many of these advances can change the world an

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2015年(十二月)

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(142) / 评论(0) 分类 VOA标准英语2015年(十一月)

Sometimes we get into relationships that drain energy from us. These are toxic relationships and they can negatively affect all aspects of our lives. 有时候我们与他人之间所建立的互动关系是那种会让我们心力交瘁的。那种就

发表于:2019-01-20 / 阅读(62) / 评论(0) 分类 留美老师带你每日说英文

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

发表于:2019-01-30 / 阅读(95) / 评论(0) 分类 2007年VOA标准英语(六月)

Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学(UCF)的科学家已经创造了一个超级电容电池

发表于:2019-02-02 / 阅读(67) / 评论(0) 分类 英语新闻

长得像又容易记混的单词,需要花更多的时间记忆。普特君为你总结了24组易错形近词,寒假花点时间背诵记忆吧~ 9.invaluable/valueless ① invaluable:highly valuable,precious 非常贵重的,其同义词是

发表于:2019-02-05 / 阅读(72) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(107) / 评论(0) 分类 实用英语

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(101) / 评论(0) 分类 英文语法词汇

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同,它更像是反重力。 We say that it has a gravitational pressure

发表于:2019-02-13 / 阅读(64) / 评论(0) 分类 TED演讲教育篇

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空,我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

发表于:2019-02-13 / 阅读(83) / 评论(0) 分类 TED演讲教育篇

After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer

发表于:2019-03-04 / 阅读(118) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
American Revolutionary War
American standard screw thread
anodic electrochemical polymerization
arch of aorta
arrayed-waveguide gratings
ask and you shall receive
authochtonous
battery bench
beamtherapy
bediapers
Bel7402
beslipper
bonne chance
bupleuri radix
buprestis esakii
capitis deminutio media
casto
certainness
commodity of captial
corepresentations
d-w
driefat
edwin arlington robinsons
electric-eye camera
environmental medicine
European Nuclear Energy Agency
extended shower
flax picking machine
formal testing
gribble
hall-of-fame
harbour facility
hemoporphyrin
high-heeleds
hot arc
hovercrafts
humanizer
instantaneous radius
interim injunction
IRHCS
Kifisia
koskenniemis
late-winter
legal assignee
longyears
low point
mean speed of rope
metal card storage
mugsy
Muguia
multiple bus master device
multiple degree of freedom
musculus protractor pectoralis
NALGO
natural-right
nonofficial market
oradea
oscillographic potentiometric titration
oxide-copper
oxypanamine
pancake days
para-nitrophenylazosalicylate sodium
parodia
partial release
pebblier
pen-friend
phase change cooling
philodine
photoperceptor
premarital agreement
pretial
progeria in adult
rate of chronometer
road stone
routine syntax
Schmidt plate
scytal
sea coconut
sera lactis
side to side adjustment
single contact system
smearing campaign
sophoranole
spelter bronze
sperm washing
standby current
stream of electrons
string matching algorithm
strongyloid
submaxillae
subtegumental
tightness of money
tissue test
toe ring
tympanic incisure
unclads
veltliner
ventilator opener
vinelet
wairdour
westdeutsche
WYTL