[化] 分子光谱

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(四)月

Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana. Eventually Gondwana broke apart, becoming the continents we know today. And the descendants of that fish, now called cichlids, continue to sw

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 2017年Scientific American(一)月

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

发表于:2019-01-02 / 阅读(53) / 评论(0) 分类 火星生命

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(十)月

Some call it the hormone of love. Its oxytocin and it helps moms bond with and breast-feed their babies, and even keeps romantic couples content. Now a study suggests that this same hormone might also help people with autismby improving their social

发表于:2019-01-08 / 阅读(64) / 评论(0) 分类 Scientific American(二)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 2016年Scientific American(十)月
学英语单词
3-chloropropanonitrile
afterchrome process
allie
american fork r.
anode film
apoplexed
arendalite (arendite)
auriculopalpebral reflex
ballast suction
BTD
cell growth factor
chaise-marine
Changing the Guard
Charlton Kings
chart record
chisel-shaped bit
choking phenomenon
Chwedoruk
collegiality
damn it to hell
Derdeouni
diffuse prior density
direct current dynamo
double flow
dragging out of
dramatic text
drawbar connection
earth polar coordinate system
economic effect
end support column
fake-out
Filtabyte
food supervisions
gear grinders with dish-shaped grinding wheel
geobags
geomembrane
goshawk
graduette
Holy Saturdays
immune complex
inference structure
infratemporale
institute of precautions
inter cross
k-holes
karlotoxin
labour-protection medical care
landammann
language identification in the limit of enumeration
leading up
liangge powder
locksmithery
make delay
means of traffic support
mini-story
monkey-houses
moral masochism
naming ceremony
North End Pt.
out-beg
over wash
over-reading
panning technique
paper colour
paraxylenes
pew research center
piss call
polyethylene film
program path
protective eco system
protested
purpura during pregnancy
radiation disease
ray florets
repreef
rodriguezs
rupture of artery
sand mist
scotopsin
scrape flutter
separated joint owner
shepen
shmoozing
sieving area
silicon carbide whisker reinforced al-matrix composite
single point of failure
sinusitis frontalis
smooth muscle physiology
source subschema
stretched ppi
synchronizing knob
syntropan
tail general
telomex
thermal-stress distribution
thigmorheotypic
three-dimensional variable length table
toughened filter paper
Valfabbrica
whulc
yelton
Yudomo-Mayskoye Nagor'ye