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(138) / 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(171) / 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(190) / 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(167) / 评论(0) 分类 经济学人科技系列
学英语单词
7a-Hydroxyconessine
a-swash
abeooxaiceane
allantoic bladder
anteromedial central arteries
anthroposol
applied analysis
Assoro
ball fields
barsine fuscozonata
Baygora
beggar-my-neighbor policies
benna
benthonic invertebrate
benzacridine
benzyl acetate
brains trusts
bryanthus
buffels drift
Bulinskiy
Chalkudysu
chances pk.
claresan
cost contract
cunnilinction
decephalization
dry copper
drynaria bonii christ
dynamic relative quantities
elastic-viscoelastic analogy
entomologizing
erysiphe polygoni dc.
extended warranty
famiglietti
fastness to overprinting
finite state machine minimization
flying mare
formal insulated wire
fully interconnected network
functional relations
garbageless
go backpacking
group library
guy eye
heterophyllous
highest weight
Hotchkin
immigrations
impact forging
improvement threshold
index of business conditions
interior-type plywood
intervalves
isolated-neutral system
J-rock
jes,jes'
jouissances
klausner
kwl
lateral deflection
Mirnyy
missionary posts
montipora altasepta
nickel stannate
nitrothiphenol
nordal
nucleoderatin
of the bulldog breed
Offhire Clause
oil well gas anchor
ORI (operational readiness inspection)
oxotestosterone
passenger number fluctuation coefficient
phytosterin
pretype
radial plunger pump
Rakushechnyy, Mys
Rhizoma Menispermi
rippey
Saint Andrews, University of
sarracine-N-oxide
seed vernalization
septoria oenanthis-stoloniferae
series and paralled circuit
Sharītah, Ra's
shrinke
slimeys
space charge limited conduction
Stalin 1, Joseph V.
steep descent
super panchromatic film
tail-skid shoe
tatest
thoracoscopy
thyroperoxidases
timpanie
trioxygenated
twin controller
unisexual
Uyuyo
vertebral notch
white skin disease