气相染料激光器

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(55) / 评论(0) 分类 VOA常速英语2008年(四月)

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

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)

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(73) / 评论(0) 分类 农业与发展

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(74) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(62) / 评论(0) 分类 英闻天下
学英语单词
accumulation of degrees
actio pauliana
Ambrosia artemisiifolia
amorphous alumina
Aripuana
beneficial enjoyment
birch-trees
bounded set
bridge gang
builder's policy
burnt plaster
Bürentogtok
cast iron propeller
centimete-gram-second electromagnetic unit
chameleonizes
cholesterolaemia
clickety-clacks
comparative strategy
contact operating lever
crystal acoustics
dead room
dihydromuscimole
duplicate part
dyep
Eliasville
eotic animal
family anhimidaes
genus Swertia
gerths
glaciations
hear warning bells
helichopper
homogenous immersion
hop-score
ignition accumulator
illuminances
imbeds
interest in shares
jamborettes
jurlique
La Garita
Ladogisian
lay asleep
laying posture
left gastroepiploic vein
lochotyphus
Lowenberg's canal
magnetic anormaly
Mahanadi River
makes merry
mathematical relationships
Maïkouma
metavariable
Methylococcaceae
mincey
multisection laser
National Westminster Bank plc
nivaquine B
non-rodent
ocean bottom topographic meter
optical switch matrix
pad, test
paracord
perceptual skill
phenylalanine aminotransferase
phosphofructokinase(PFK)
poutical
production batch
pulse on time
radial type core
rag worm
raise a mortgage
record paper
redocumentation
reliest
rib cage
Satavahana
scrap basket
sea foam
Securicor
Slovak
smooth faced drum
sporophoric
Tampa Bay Rays
telephone book
texture maps
the child unborn
the Great Emancipator
thermomixer
transformation loss
transition front
Turnix sylvatica
ullage table
umay
unamicable
upper part of spindle
urea-quinine
varifil rayon
warrant money
wharth
wheat groats
zambezias