胶体染料

For 40 years, Paul Karason was a fair skin son of the American Northwest, freckles and reddish-blond hair. Like most people who grow older, Pauls hair turned white. But how does he explain this? What was that Aha moment were you think, you know, my

发表于:2018-12-11 / 阅读(156) / 评论(0) 分类 访谈录2008

Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 2016年Scientific American(九)月

-Sheldon:Worst renaissance fair ever. renaissance:文艺复兴 fair:集市,集会 史上最逊的文艺复兴集会。 -Leonard:Please let it go, Sheldon. 别再墨迹了Sheldon。 -Sheldon:It was rife with historical inaccuracies. be rif

发表于:2019-01-01 / 阅读(193) / 评论(0) 分类 生活大爆炸第二季

DEVELOPMENT REPORT - Aid Group Designs System to Make Dirty Water Safe to Drink By Jill Moss Broadcast: Monday, October 17, 2005 This is Steve Ember with the VOA Special English Development Report. Ea

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 农业与发展

Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(171) / 评论(0) 分类 VOA2003(上)-社会广角

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(138) / 评论(0) 分类 VOA标准英语2008年(八月)

This is the VOA Special English Development Report. Jeffrey Schwarz coordinates the water filter project for North America from the Carnegie Library Pot Shop, adapting technology developed in Central America during Hurricane Mitch in 1998 The Braddo

发表于:2019-01-11 / 阅读(138) / 评论(0) 分类 VOA慢速英语2009年(六)月

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(166) / 评论(0) 分类 农业与发展

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(146) / 评论(0) 分类 英闻天下
学英语单词
adventitious property
angelica dahurica(fischer) benth. et hook
appetized
asthma convulsivum
automatic large scale production
bechhofer
berberis wallichiana dc.
boroson
boundary layer flow
burned-downs
bus bulb
by this
camshaft gear wheel
caugheys
Cephoidea
chamber crystal
civet cat
conditional grants
construction of wire rope
cretara
decumarias
degast
diesel power generating set
differential drive pinion carrier
dimsight
drum sander
duplex telephony
earth core
echo locator
eighty-twoes
event counter
external mercantilism
extraction of oil
female genitalia
fillability
filth test
flesche
flies high
fluorine(-containing)rubber
Giulio Natta
granitized
groundwater age
high-performance thin layer chromatograph
Holbank
hydraulic servo system
ion collection
keya paha
lacelike
lay into sb
leader-member exchange theory
lebenberg
lucius
mains frequency interference
menkin
mining royalty
multistage management system
myriologist
neovascularizes
new media industry
nitroretard
nonagricultural nation
offense
operator control address
organophosphate insecticide
package tourism
photo-copiers
photochemical blooming
position of heavenly body
poza
propeller type wheel
re-odorant
redirection number restriction
regulator pin
reset (a counter)
Rhamphocarya
rigid polyurethane foams
rotation angle
s-cis-s-trans conformation
Saladino, R.
scent-free
Shelagh
snooze-button
solie
sozin
special steel
spherohexact
St Clair County
sternad
sun-porch
syntactic function
text field
the first but one three
three-throw crank pump
triplolide
turn you off
unichasssis
unravished
Vila
wanna-be
wheel press gage
willa
wireworkers