二乙苯; 二乙基苯

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(八)月

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(160) / 评论(0) 分类 阅读空间

本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(135) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
according to one's own lights
address computing sort
analytical ultracentrifuge
angustifrons
animal shelter
automatic falls release mechanism of survival craft
back offices
bakshishes
ballistocardiographs
bartolome de las casas
Bored out of one's Skull
bundle cable
Callistratus
camellia oleosa seed
can milk
Canalis sacralis
carpetbeater
catalyst unit
center of vortex
chromanol
close-coupled rudder
cobaltosic sulfide
commmence
communicable disease control
creepie-peepie
cube-shapeds
dabblings
date/time selection qualifier
debenture account
debris growing rate
descriptive petrology
dimethyl naphthidine
dna electrochemical biosensor
Drackenstein
duplex feed back amplifier
ejector punch
equality of vector
ESQL
exquisites
factor substitutability
fitting arrangement drawing
Flack test of physical efficiency
flash cooling
fossil flax
General Catalogue of Variable Stars
generalized programming
get even with sb
hemiamyosthenia
herbal flavo(u)r
heworth
hexagon socket countersunk flat cap head screw
high permeability zone
intersecting-line principle
intraurethralscissors
JKA
job-satisfaction
Kendawangan, Sungai
Lasia spinosa
Lover's Tiff
lysocellin
maldeployment
mandarin sleeve
master-stroke
melittoside
metabolic stage
minimist
misdemeanors
nearfatal
neoribates roubali
non-contact seal
non-porous catalyst
normoxic
olfactory cilium
on the supposition that
overhead irrigation
overimagining
oxonines
paint coat
pentazole
phoeniceum
point representation
pragmatizes
pro-angiosperm
qualitation
re coating
remain force
resectabilities
RNAdependent DNA polymerase
scleroclasite (sartorite)
sector velocity
security defence
Soa I.
stabilizer spring pivot shaft
theory of pluralist economy
to avoid doing
toggle lock
UALA
used oil reclaimer
vernier gear tooth gauge
virtual spooling device
wielder
Windows Media Connect