氧化物孔径

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d

发表于:2019-01-08 / 阅读(336) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(428) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Heres a possible blood pressure remedy. But its only for those who can stand the heat. Its capsaicin, the active ingredient in peppers like habaneros that should pro

发表于:2019-01-08 / 阅读(407) / 评论(0) 分类 Scientific American(八)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(356) / 评论(0) 分类 Scientific American(四)月

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(388) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(366) / 评论(0) 分类 TED演讲教育篇

电脑英语--常见硬件篇 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-01-26 / 阅读(339) / 评论(0) 分类 实用英语

In the early 1800s there arose in England a fashion for inhaling nitrous oxide, or laughing gas, after it was discovered that its use was attended by a highly pleasurable thrilling. For the next half century it would be the drug of choice for young p

发表于:2019-01-29 / 阅读(261) / 评论(0) 分类 万物简史

Chapter Three 第三章 Outside, in the garden, it was playtime. 外面,花园里已到了游戏的时候。 Naked in the warm June sunshine, six or seven hundred little boys and girls were running with shrill yells over the lawns, or playing ball

发表于:2019-01-29 / 阅读(292) / 评论(0) 分类 美丽新世界

Beijing's last large coal-fired power plant suspended operations last Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy. 上周六,北京最后一座大型燃煤电厂停机备用,这意味

发表于:2019-02-04 / 阅读(316) / 评论(0) 分类 英语新闻

18招促环保(双语) 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。在中国,平均每户每年的碳排放量是2.41吨

发表于:2019-02-06 / 阅读(370) / 评论(0) 分类 实用英语

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(362) / 评论(0) 分类 英语新闻

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(361) / 评论(0) 分类 英语新闻

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(444) / 评论(0) 分类 世界各地新闻集锦

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(339) / 评论(0) 分类 天天商务口语

重要电脑英语及其缩写 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-02-16 / 阅读(311) / 评论(0) 分类 实用英语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(331) / 评论(0) 分类 英语新闻

CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只读存储器。 EDO:Ext

发表于:2019-02-21 / 阅读(277) / 评论(0) 分类 实用英语

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(366) / 评论(0) 分类 万物简史

As in general shape the noble Sperm Whale's head may be compared to a Roman war-chariot (especially in front, where it is so broadly rounded); 因为就总的形状说来,那只高贵的抹香鲸头也许可以跟古罗马的战车相媲美(尤其是

发表于:2019-03-10 / 阅读(424) / 评论(0) 分类 白鲸记
学英语单词
active birth
adenium
all-integer programming
amygdala
anti-beriberi vitamin
antihydropic
arytenoepiglottic
auditory after-sensation
axle pressure equalizer
Baden-Powell, Robert Stephenson Smyth
Bank of Tokyo Ltd.
cardiokinetic
cell parameters
Close to your heart
closed couplets
co-ordinative activity
cycle-index
data-packed
denticities
Digenia simplex
dihydroisoperparin
discharge service van
driving pulse
dropping round
dye solution
eat one's fill
environmental studies
Eristalis tenax
ex quay,duties on buyer's account
farmsteads
feed off sth
flash deaerator
fluprednidene acetate
Freedom Tower
get your hands on
gnu public license
Goodrich Bk.
gowked
gum turpentine oil
Hata preparation
high-speed chromatography
Ichthyophthirius
impetigos
improbration
indwelled
klausz
Larotid
lemyra alikangensis
lim.
link route
Mary, Queen of Scots
maximum distance between chucks
mcgrawhill
memory fetch
mid-sweep
mistetched
modeling of software fault tolerance strategy
multi roll straightener
National Research and Education Network
norrbacks
nuclear fusion blanket
number to time to voltage converter
object-object
officializing
on-line process gas chromatograph
organomagnesium
phosphoriboisomerase
Phyllostachys rubicunda
poppy
potassium pyrovanadate
pseudobarbella attenuata
put the blame on someone
rarefied gases
rending effect
right-handed curve
same purpose
saulted
science-fictional
scrotectomy
shanker
skiff
slothfulness
soft action
solifugids
spherical harmonics
sterrometal
support a single floret
Tadzhiks
tape curvature
tenulin
terrazzoes
thermal container
thermal dilatometer
Trantas' dots
two wire channel
vedutista
vision systems
washakie
water treatment corrosion inhibitors
win32s
with the hope of
written sanction