[光] 物理化学光学

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(220) / 评论(0) 分类 疯狂英语2003年

By Cynthia Kirk Broadcast: August 15, 2003 This is Bill White with the VOA Special English Environment Report. In the United States, the Army has started to destroy old chemical weapons at a base in t

发表于:2018-12-01 / 阅读(170) / 评论(0) 分类 VOA2003(下)-环境与健康

UN Under-Secretary-General Angela Kane is due to arrive in Damascus later today to push for access to the site of alleged chemical attacks for UN inspectors. The move comes after the Syrian opposition accused President Bashar al-Assad's forces of kil

发表于:2018-12-02 / 阅读(146) / 评论(0) 分类 世界各地新闻集锦

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(128) / 评论(0) 分类 走进剑桥大学

Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 60秒科学

Syria and Russia say the United States has lied about chemical weapons attacks in the Syrian conflict as a way of blocking efforts to end the fighting. A Syrian foreign ministry source condemned what it called lies and allegations by U.S. Secretary o

发表于:2019-01-03 / 阅读(124) / 评论(0) 分类 2018年VOA慢速英语(一)月

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 2018年VOA慢速英语(五)月

By Steve Herman Bhopal, India 08 January 2008 Dow Chemical, the world's second-largest chemical manufacturer, is facing difficulties trying to expand in India. The company is haunted by the 1984 leak of methyl isocyanate, one of the most lethal chemi

发表于:2019-01-07 / 阅读(179) / 评论(0) 分类 VOA标准英语2008年(一月)

AS IT IS 2016-03-13 US Holds IS Fighter Who Was Key to Chemical Weapons U.S. military officials say they captured a key person in the Islamic States chemical weapons program in Iraq. The IS operative was captured by American special-operations forces

发表于:2019-01-12 / 阅读(152) / 评论(0) 分类 2016年VOA慢速英语(三)月

Common Chemical May Damage Teeth A chemical compound thats been linked to a number of health problems in animal studies may also damage tooth enamel in humans. BPA is found in many resins and plastics that people use everyday, such as water and baby

发表于:2019-01-14 / 阅读(159) / 评论(0) 分类 VOA标准英语2013年(六月)

MARY LOUISE KELLY, HOST: We're going to revisit a community hit hard by Hurricane Harvey. Crosby, Texas, is home to a chemical plant owned by the company Arkema. After that plant lost power in the storm, trailers of unstable chemicals caught fire and

发表于:2019-01-16 / 阅读(108) / 评论(0) 分类 2017年NPR美国国家公共电台11月

In the wake of several serious chemical pollution incidents, China's Ministry of Environmental Protection says it will begin a nationwide inspection of all certified producers of dangerous chemicals of their pollution control measures. As Liu Yan rep

发表于:2019-01-19 / 阅读(118) / 评论(0) 分类 世界各地新闻集锦

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(268) / 评论(0) 分类 自然百科2011年

Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 好听的英文歌曲

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(132) / 评论(0) 分类 实用英语

音乐+爱情的化学反应:Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush,稍微有些中规中矩,和专辑中电音味道更重的歌比起来,有些收敛

发表于:2019-02-11 / 阅读(109) / 评论(0) 分类 经典英文歌曲

音乐+爱情的化学反应:Chemical Rush Artist:Brian Mcfadden Song:Chemical Rush Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white F

发表于:2019-02-17 / 阅读(137) / 评论(0) 分类 流行英文歌曲

音乐+爱情的化学反应:Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush,稍微有些中规中矩,和专辑中电音味道更重的歌比起来,有些收敛

发表于:2019-02-18 / 阅读(135) / 评论(0) 分类 英文摇滚歌曲

Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right through my bones Keep coming

发表于:2019-03-02 / 阅读(168) / 评论(0) 分类 英文摇滚歌曲

今天我们要学的词是 chemical attack. Chemical attack 化学武器袭击。The United States launched a missile attack on Syria for its alleged chemical attack on civilians. 因据信叙利亚对平民发动的化学武器袭击,美国对叙利

发表于:2019-03-07 / 阅读(200) / 评论(0) 分类 英语单词荟萃
学英语单词
a carton of
A side
ageless
apolar quadrics
azeotropic distillation
back print method
biomathematicians
BLUP
book-leaf clay
bring to the ground
build model
buoy with top mark
Cassegrainian focus
chiltting
China Armand pine
Chinocup, L.
clearing cheque
compass tacheometer
confermentation
congestion surplus
cooling water channel
corina granulosa
CRDM housing
current-costs
cyanoblast
cylinder head cover
deletion-primers
division tracheophytas
doppler weighting
dynamic evolutionism
eikonal equation
emulsion paints
Firoblast
flare-like brightening
foam meter
forint
fossedal
frontayle
full rotating derrick
graphicians
Honey Grove
hot air circulating oven
hot-wire thermal conductivity gas analyzer
hyalopsora polypodii
ill-tempered
in sb's face
incumbent local exchange carrier
input out put accounting
integrated digital communication network
inverter buffer
inward heeling
Is the coastal plain good for farming
isosynchronous serial input/output
kupffers
laemophloeids
lalibela
lateral-contraction
lawn-sprinkler
Lebec
lesbianism
livefoods
luni-solar calendar
Mashushenai, Jab.
melancholiously
minks
mirror experiment (mx)
missionary positions
monobrmide
ophthalmotopometry
osteodystrophia fibrosa unilateralis
owen falls
paddle wheel float
photoelectron spectroscopy of outer shell electron
Plummer-Vinson
rear stirrup
regiuss
sample delivery point
shipfeeder
smart pointers
sonnier
sperm
statistic switch
Steinbeckian
stochastic contracts
subject-verb
surface activity
sutil
switching district
t'd off
tangent helix angle
thermoplastic welding strip
thirstlessness
titanium pump
Van Gogh Museum
variable-word-length
wanna be
wean someone away from
withafastuosins
Yesenino
yont
Zhangjiagang