铬精染料

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

Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her

发表于:2019-01-02 / 阅读(67) / 评论(0) 分类 英语语法 Grammar Girl

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(51) / 评论(0) 分类 VOA标准英语2008年(八月)

Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele

发表于:2019-01-14 / 阅读(71) / 评论(0) 分类 VOA标准英语2010年(九)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(70) / 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(60) / 评论(0) 分类 英闻天下
学英语单词
abbington
acetylmethoxybenzaldehyde
achatinus
active plate margin
additive colo(u)r composition
Alexis de Tocqueville
alligar
arm-tongue reaction
autobiog
automatic data retrieval
ball pin
behaviour patterns
beisty
blood stone
Bombina bombina
branch chuck
card-sharp
chapultepecs
charged-particle reaction
chronic invalid
Circladin
commission review
corner velocity
credit check
crossed testicular ectopia
cyclodiene
dishelming
Drap-de-Berry
enologists
existest
external-bruning ram
faint blue objeet
fetch front
fixed-length record system
gaging tank
General of the Armies
Gilten
gimbal-mounted engine
glenea centroguttata
god bless the mark
half-powers
harmonic series of sounds
hawkinss
heteroxenous
hmy
hymn-book
ictus epilepticus
in the absence of
Kenmare R.
Kumium alloy
lack the perspective
leading spark plag
leasehold value
liquify methane gas tanker
log_io
Mac.
maintenance shop
maniorable
Mead Lake
method of equilibrium
metrified
misangas
mulewo
multipath routing
neutral point solid ground
neutrophilous organism
niesens
nuclear medicine imaging
once-isolated
open-end wrenches
operating source
otter
perspective tetrahedron
Polioylol
praetores
primary great circle
quantitative molecular spectroscopy
radio-noise field intensity
red-hot seller
redraped
Salt River Indian Reservation
salt-stone
secondary curvature
Shaikh Fāzil
silver bichromate
snack-bars
spanks me
stucco
subcostal rein
suspenopisia
sweet chestnuts
syntax-directed compiler
telescopic unit
top of the flood
training conference
tubularize
turn-tail
weighting sampling
woodship
work center variable capacity summary
zeeman nuclear quadrupole resonance