[化] 卤苯; 卤代苯

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(165) / 评论(0) 分类 Scientific American(八)月

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(152) / 评论(0) 分类 实用英语

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(158) / 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(134) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
.jif
aequales
affinity extraction
anathematical
angelicize
aragorn
automatic variable
avian hepatitis
back order memo
be one's own worst enemy
bean picker
beards wag
Billybob
bonding (molecular)orbital
Bulucan
C.A.G.S.
call someone names
Castrillo de Don Juan
Chesterholm
chitoria chrysolora
collapse-fissure
college faculty
completion of uniform space
correference
cutter groove grinder
debar
diameter of brake drum
discharge currents
domain squatting
elementary product
elfic
emergency overspeed governor
EOF gap (end-of-file gap)
ethylbenziodone
flat-hatter
galbatorix
gamma coefficients
genus Canella
Gerdāb
Gift Parasite
Globivalvulina
grease pencil
gros ventre r.
hazard class
high flow rate
high level file store
high rate sputtering
highbrow publication
howfield
imposing table
indirect binary n cube network
insufflations
intestinalisation
intestine deficiency instability
Irvine Bay
job share
letter to the world
liftovers
longitudinal transmission check
mesencephalic centre
Mikulicz syndrome
moderate casualty agent
Musculus serratus posterior inferior
naked assertion
neogrifolin
night jessamines
order for attachment
order transformation
pal(a)eopedology
phytolaccine
picoammeter
polysialoglycan
pot bank
psychoneurological
ptbl.
rail work
rectilinear chart
schmidheiny
share-holdings
shock front measurement
star aberration
stationary vortex
storage cathode
stove pokers
Strophosid
surface water pollution
system for checking on patent agents
Tehri
thin route satellite communication
think out loud
throw the handle after the blade
Timiskaming group
Torreya californica
Trombex
trupin
under an alias
unsubscribers
weathertight superstructure
wheelies
with suspicion
without tears
zoo blot