[医] 夏-诺二氏晶体(精液中的磷酸精胺结晶)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(十)月

SCIENCE IN THE NEWS - December 10, 2002: Snow By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program about recent dev

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 科技之光

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell you everything you wanted to know about snow. (MUSIC) FAITH LAPIDUS: Winter has returned to northern parts of t

发表于:2019-01-11 / 阅读(33) / 评论(0) 分类 2011年VOA慢速英语(一)月

An online guide to snow and other ice phenomena Art Chimes | Washington, DC 18 December 2009 Photo: SnowCrystals.com Time again for our Website of the Week, when we showcase interesting and innovative online destinations. For those of us in the north

发表于:2019-01-13 / 阅读(62) / 评论(0) 分类 VOA标准英语2009年(十二月)

SCIENCE IN THE NEWS - Winter Cold: Everything You Ever Wanted to Know About SnowBy George Grow Broadcast: Tuesday, January 10, 2006 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob D

发表于:2019-01-16 / 阅读(85) / 评论(0) 分类 2006年慢速英语(一)月

Chemistry on an experiment called the crystal. First the formation of chemical substances dissolved in water solution, solution Sheng Yu evaporating dish, the evaporating dish placed in steel tripod, the following alcohol lamp heating, control-relate

发表于:2019-02-21 / 阅读(41) / 评论(0) 分类 英语美文
学英语单词
adaptability of soil
allergenic
alytensin
Anglo American Financial Agreement
apogonid
arteria femoraliss
Atka Basin
atrium sinistrums
auger spectrum
automatic continuous function generator
bacterium astragali takimoto
bag hos
balance strike
blows your own trumpet
branstons
building ordinance
Calmax
candelabrum base
capacitance bridge
carburizing apparatus
Carndonagh
cattle-drive
chichile
coachwood
console command-device down
controlled-clearance type pressure gauge
coopee
coralliophidae (magilidae)
corollets
cramping frame
cretinoid
cubitocarpal
cumulative undersize distribution curve
delta siding
dinitrophenylhydrazine
direct examination
effect of salinity
Egernia
electric(al) energy
electropane
electrostatic percussive welding
fluorography enhancer spray
forgetel
grain separator
gwrych
HACHT
henri emile benoit matisses
heptamolybdate
high gain
hominy gritss
horizontal synchoronizing pulse
immunising agent
Islamic Ummah
kinzel test piece
lagging board
luetheite
main-clause
maize straw
measuring the potential of hydrogen
milipertine
nightingale
normoventilation
Octamoxine
ogonis
optical intensity modulation (omi) index
ozonolysis
parallel plate oil separator
parathyroidectomizing
petroleum refining catalyst
planetophysics
pressure gage tester
primary reinforcements
pulmonary sinus (or sinuses of valsalva)
qatayef
RD6-4563
reasonable person
record transfer mode
Rhabdophaga swainei
rigid disc
RTed
s-languages
shortstops
sodium rho-aminosalicylate
soft-center steel mouldboard
soil erosion type map
sophorae flavescentis radix
subparagraphs
superior orbital fissure
supervised training
technological choice
temperature pulse respiration
tendon of heel
tough-rubber sheath
triple passing tone
Tschmarke's treatment
tungstenic
tweeted
ultra fast accelerator
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wide mouth bottle with ground stopper
worch
zabelin