氧化钨(II) {一氧化钨}

When you picture ancient Egyptian beauties such as Queen Nefertiti or Cleopatra, theyre probably wearing dramatic black eyeliner. Ancient Egyptians believed that eye makeup had properties bestowed by the gods that protected the wearers from illness.

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(一)月

AGRICULTURE REPORT - Carbon Trading: How the Chicago Climate Exchange WorksBy Mario Ritter Broadcast: Tuesday, May 30, 2006 I'm Shep O'Neal with the VOA Special English Agriculture Report. Agriculture

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 2006年慢速英语(五)月

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(150) / 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(151) / 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(153) / 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(137) / 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(182) / 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(135) / 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(115) / 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(89) / 评论(0) 分类 万物简史

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(94) / 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(196) / 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(144) / 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(191) / 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(236) / 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(144) / 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(107) / 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(118) / 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(97) / 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(174) / 评论(0) 分类 万物简史
学英语单词
acroterion
Alcaligenes
amplifier bandwidth
arteriae nutricia humeri
bast soap
BAT-ANTIGEN
blepharitides
bristlinesses
Carbon Reduction Commitment
cestuan
champi
Chikenge
colon editing
colour matrix circuit
constrained lens
copalchi
cordylines
core pneumonia
crew's quarters
crouched position
dark-orange
dejection rock
delinquenent juvenile
dissociaty
Entsi
exchangeable calcium
fathogram
feeder fish
fibularia acuta
floured
frequency dependence
gamagarite
gelatin silk
genus Lagopus
gisha
grandship
gyroklystron
Halog
hearty meal
ink essence
instructions for train operation at station
irrita
irrotational vibrations
isoforms
jujuys
laternula boschasina
Lehrjahre
lightning acceleration
Lime-series
limitans posterior laminae
long-standing
M.Phil.
mabby
magisterial ineptitude
many reserve system
Marapendi, L.de
measurement of venous pressure
mellapak column
micro-drying tube
morant
N-methylglycine
Ndjo
next in first out
normalizing
Nyika Plateau
oil of savin
over-neat
oxherd
padwals
pan head bolt
PIOC
Pope's Pear
provide a car with radio
quotation record
repair coverage
resin poison
resolving voltage
resource accounting
scrunched up
season breeder
secondary sexual character
Sheykh Hoseynlu
small ship point defense surface missile system
sport massage
suspension roll geometry effect
Sutter's Mill
tactile stimuli
transierd
turret emplacement
UHF wired TV
uk pro
universal seam welder
unwhited
vagitus vaginalis
vertical scanning generator
video tape cassette
votes for
vulcan
water quenching tank
weterly
white balsam
yelow