[核] 粒子-空穴模型

Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 2016年Scientific American(八)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter?Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(四)月

China's proposed supercollider will be twice the size of the Large Hadron Collider or CERN in Switzerland that helped discover the Higgs Boson or the God Particle in 2012. It will also serve as a symbol of the country's rise as a global superpower by

发表于:2019-02-07 / 阅读(41) / 评论(0) 分类 英语新闻

BEIJING, May 12 (Xinhuanet) -- Italian archaeologists(考古学家) are digging the remains of Lisa Gherardini, a 16th-century woman who is widely believed to be the model for the famous portrait Mona Lisa, AFP reported on Wednesday. The team of hist

发表于:2019-02-08 / 阅读(73) / 评论(0) 分类 英语新闻

It is all, as you can see, just a little unwieldy, but it is the simplest model that can explain all that happens in the world of particles. Most particle physicists feel, as Leon Lederman remarked in a 1985 PBS documentary, that the Standard Model l

发表于:2019-02-17 / 阅读(27) / 评论(0) 分类 万物简史

An increasingly popular business model lets participating companies give to charity while making a profit. But the approach is blurring the lines between for-profit and not-for-profit organizations and raising questions about the real drivers behind

发表于:2019-02-19 / 阅读(113) / 评论(0) 分类 英语新闻
学英语单词
absolute overpopulation
adiate
amplification range
anomalous propagator
appendage routine
arc rust removal
assured bond
bacillus homminis capsulatus
bar code symbology
Batroxobin(DF-521)-Tobishi
berkelium sulfide
broadman
burn plant
camases
Camellia lucidissima
Citellophilus tesquorum sungaris
clot-iron
coast guard ship
cometaria
compression chambers
conduct an experiment
connectionless broadband data service
control text response
cotton roll stomatitis
cottonelle
Crossaig
crystallization effect
decaudating
dirimens copulatio
dishallow
douste
effective information
equal-percentage valve
exchange A with B
feeling rules
foreign crowd
four-wheel coupled
gaol-birds
glitters
group financial statement
guerin forming
high cross
homomorphic graph
houerou
Hydromantes brunus
hyperclever
hypovitaminosis C
incendive
Jandaq
joint trial
Kinshasans
loblolly tree
locomotive car
Manaél
mechanically-bonded fabric
mechanics of muscle
mesoscale rainband
motor drive shaft
negative method of confirmation requests
nephrogenic ridge
north vietnams
or die in the attempt
patriarchal leadership
peppermint candies
phosphate potential
PJRT
pliodynatron
post-tidings
relay dump valve
rhizoma drynariae sinicae
River Adige
rocket engine plume
Rosa, Monte
Rosario del Tama
Salado, R.
Sankt Salvator
Schefflera elliptica
schizophreniform disorder
sit out something
slamp test
solid (body) rotation
sou'-west
spinefreezer
sweet sand verbenas
swivel plow
system-sentence
tenuifolia
testing tool
thermal-conduction manometer
thermoplastic recording
track code
transform analysis
transport protocol standard
under-auditing
weather-drying
wing'd
wreitten
yeastie beastie
yosi
yupper
Yushania suijiangensis
zrenjanin (petrovgrad)