abbr. lateral-energy density slope 横向能量密度倾斜
n diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f

发表于:2018-12-24 / 阅读(278) / 评论(0) 分类 Scientific American(八)月

Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on fewer watts. But even if we replaced all today's bulbs with energy-sipping LEDs, the world m

发表于:2019-01-02 / 阅读(297) / 评论(0) 分类 60秒科学

Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new

发表于:2019-01-26 / 阅读(366) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u

发表于:2019-02-06 / 阅读(312) / 评论(0) 分类 经济学人科技系列
学英语单词
43
AC traction substation
ad substance
alligator connector
anterior nare
aperture blockage
Aracatu
ash-keys
Association of Iiron&steel engineers
audit assistance personnel
Bacillus casei epsilon
beur
broken bond
bund wall
buried coaxial cable telecommunication
button mushroom
carcinoma simplex
cargo surveyor
centerless grinder
Chaadayevka
cherimolla
clearing away the lungheat and moisturizing
comfortfic
conventional core
corine
crossostoma lacustre
cutter's table
cycle tests
Deinocheilos sichuanense
demon dance (s. india)
domestic bill of exchange
eccentric-bushing
f(o)etal mumicication
false ganglia
flue-cured tobacco
Fourierites
freight air waybill
gallium arsenide surface barrier detector
geometric shadow
gert lush
Ginzburg-Landau theory
gradient method
hanging fly
hemispherule
higher light
holochoanite
hot-blast main
hot-fudge sauce
Ichalki
implant periodontal membrane
kniphofias
libriss
linking rule
liquid(-phase) polycondensation
lithogeochemical survey
Loudes
Lüderitzbucht
Machaneng
mammographer
Mariner Glacier
mistruth
multivariate partial autocorrelation
musets
neck strap
non-polar material
nonactins
off tracking
Omega-algebraic
Ophidiidae
oxochlorides
p-methoxyaniline
Pacific air route
perutzs
phosphatized
photomechanics
Pingxiang
program to program communication
progressing spring
pyramidal cell
rational curve
reactor recirculation pump
red-herrings
relationscape
Rubus sachalinensis
scombroids
scope operator
sodium dichloroisocyanate
starwheel
stirpital
stress control training
supra-thermal electron
Tacna, Dep.de
The plot thickens.
tongue switch
trinitrophenetole
turn scarlet
unmeddlesome
usda-inspected
valve rocker arm shaft support
variegated colours
Wikstroemia pilosa
yomigo