蒽染料, 蒽素染料

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(152) / 评论(0) 分类 2016年Scientific American(九)月

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(130) / 评论(0) 分类 VOA标准英语2008年(八月)

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(162) / 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(142) / 评论(0) 分类 英闻天下
学英语单词
a man of property
abnormal drop
anti-obliquity
antiromanticism
appealings
armed conflicts
atomic-fountain
authorized clerk
biologic half life
bottom-mounted mooring pylon
brush colter
Cape Cod National Seashore
close roaster
closed network model
closing of crop
clostrial infection
column on elastic foundation
common junipers
compressible pulse
correlation center
Daugård
differential advection
dodecadactylitis
electron-beam furnace
endowment (insurance) policy
eongestive treatment
ethnic religion
European minks
family ascaphidaes
ferrean
findlater
full-load capacity
functional school of jurists
gebrs
hard rubber scraps
horizontal rumble
hypertext systems
ice needle
ice rule
indifferent cell
invariant cycle
is required
kaabas
L-spread
leiomyoma of bladder
lofn
Louis's angle
major category
Meknès, Prov.de
midpregnant
Mirzāpur-Vindhyāchal
music-relateds
nonsuccessful
nontronites
osteophyma
out clearer
out of hock
papular acrodermatitis
paraldehydes
phagedenic ulcer
picotitre
pinealis
press compacting
press-through die
propylthiouracil tablet
pundits
reaugmentation
refutable
repois
reverberation room
riverboat queen
sailyards
Saladoes
school buildings
shooting-coat
shopping complex
shoulder ham
sieffs
sinistrose
snow ring
soft-rock geology
split mold
sporoducts
spragues
squardron guide
standard of time
Steller Glacier
strevens
tabulation character
take the chromo
territorial sea rights
tighten her belt
two-wire circuit
underdepreciation
vallus
vapored
varennes
vino de pasto
visual signal transmitter
von Hansmann cell
Westpunt
wtd