[化] 碳酸镱

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(八)月

日常生活中,意外伤害很难避免。如果我们不及时救治或者操作不当的话,很可能会对自身或者他人的身体造成伤害,所以,掌握一些急救常识非常必要。下面我们来看一段关于学习急救的对

发表于:2019-02-26 / 阅读(126) / 评论(0) 分类 英语口语
学英语单词
2-iso-butyl-thiazole
abacarus rotundus
acceptable limit
acid deasphalting
adequate consideration
air-plant
alat-
alternating current shaft generator
ancillary power
areal resistance
automatic brigtness limiter
bacteria mesophilic
blood flow ultrasonic detector
Butung, Pulau
civil liability
cock-up theory
coeloglossums
cold-drawn steel pipe
comparable transaction
Cuneo, Prov.di
diapire
documentary payment bill
drilling
duality map
dynamic resource allocation and distribution
effects studio
electric inductivity
equivalent specific fuel consumption
experimental features
figs.
fire-extinguishing appliance
four-deal bridge
gadberry
genomic walking
genuine tooth
glandular hermaphroditism
grassland meteorology
grid potential
Hemsleya
Hodge scheme
ingot-scalping machine
intertitles
intraoral incision and reduction
jusepe
Lachman air
lagging load
lbd
lift bank
limited english proficient (lep) student
look at the world through rose-colo u red glasses
malicamide
matlockite
Mexico, Gulf of
Miao Xiyong
minute chromosome
mitindomide
monopole moment
Monosigeae
Monothelitism
multiple geared diesel engine system
Norlins
nucleoplasmatic
onia
paddleboater
paddling (ataxia)
partial tritanopia
peltigera membranacea
photographic technology
physical efforts
Plantsville
platyrachis
preacronycine
production automation microcomputer
r-sd
riminophenazines
roll stowing hatchcover
rolling recoil
saburable transformer
sacconi
security information
self-surveillance
senior shares
shipping shift
slavishly
speed control by frequency variation
straight sharp-pointed scalpel
strain build-up
Suttons
sweethearts
Sylvilagus palustris
telegraph alphabet
trans-information (content)
transferrings
twin-tube shock absorber
Urobotrya latisquama
us weapon
variable intermittent duty
viscometry
viscotoxins
web media
wiscr
YTC