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
affective equivalent
akimotoite
altered stress
alternating temperature humidity test chamber
Aspergillus awamori
bat-pads
battery method
beach blanket
biphonation
blackand-white
block formation and adjustment
broad-sense heritability
bugeyes
building gas pipe
ccoulomb degeneracy
CEM (comprehensive emergency management)
cold-hammer
colour defect
compile on-line and go
cryptamnesia
deterioration accelerator
detrital precipitated mineral
diffraction knot
Diplococcus morbillorum
DIR COUP
discount businesses
double electrode layer
drexell
eddy current probe
garlow
genetic structure
giovanni battista ciboes
Gondrecourt-Aix
greasiest
greote
heterocercality
high brightness LED
hunger-pains
hupeheninoside
hydroxylproline
impression-management
jo
l-threonine
law of damages
liability to equity ratio
ligamenta intercuneiformia interossea
Ligamentum coracohumerale
liris
log concave distributions
Macheri
magnetic resonance angiography
management priority code
Massiac
micas
military platform
miscome
Molinosist
Moses
musculus obliquus ventralis
nicky tam
niphotyphlossis
nitrosophenyl hydroxylamine
noxious substance
Ormosia hosiei
overall temperature rise
participial noun
payroll cashier
phacomatoses
phycoerythrines
plaold
poly (p-phenylene terephthalate)
Prachatice
pressure digestion
prestressed concrete pressure vessel
problem originator
rebozos
rectorite
retire from the service
Rhinichthys
ridlers
rock barnacle
Royal Navy College
RTA Regional Trade Agreements
Rückersdorf
s-value
seaperch
ship radio direction finder
side air admission
single-heading flight
static deviation
sure about
surface reconstruction
symbolic value
The Simpsons
thermovalve
tilting-rotary table
twelve-inches
univariate probit model
universal primer
verticillis mori
wellek
white base