音标:[əˈmælgəmz] ;
n. 汞合金( amalgam的复数形式 ); 混合物
n. an alloy of mercury with another metal (usually silver) used by dentists to fill cavities in teeth; except for iron and platinum all metals dissolve in mercury and chemists refer to the resulting mercury mixtures as amalgams
n. a combination or blend of diverse things

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(363) / 评论(0) 分类 60秒科学
学英语单词
accessory before the fact
action portion
acute adrenocortical insufficiency
adhesion placenta
alarm-free
authourity
basic-q
be fagged out
beeper box
Benedict-Franke's method
boatbearers
budget sheet
BUFUs
busarbidea formosana
carboxyamidase
Castlerea
chiastik
common apse interface set a
computer law
cooling water outlet and inlet
Cordillera Central
cuttermen
cymbalo
Cyrtosia nana
daney
deferred profit-sharing plans
dorsal interosseous artery
dynamic method invocation
ectropothecium dealbatum
electric(al) motor
esurience
exhaust reservoir
Fagradalsfjall
farinaceous endosperm
fashion'd
fluid-bed heat exchanger
free of bubbles
Garnavillo
hebdomada
highway capacity
homely meal
hook and ladder truck
horizontal control network
hormonogenic
in sort
International Air Traffic Communications Receiver Station
intratonsillar cleft
Kitch.
knee motion
l'expression
Laghouat
Linn Creek
livered oil
Loughrea
magnetic quadrupolelens
malthopsis annulifera
market rise
mercury-wetted contact relay
Mobic
moccasin telegraph
MPSA
MT-MMP
multi-component system
Neukamperfehn
nigrin(nigrine)
not fully developed
NSC-68075
nucleus spinalis nervi trigemini
ovinia
phase into
phlogogen
podcasted
police lock-up
poromya eximia eximia
portoferraios
procentriole(granick & gibor 1967)
prognathic
psocopterans
public loan
reticulum multipotential cell
rhoptry
same source calibration
Samuel's position
sclerosing agent injection therapy
seismical load
semi product
semi-bluffing
shipping period
slab-type stairway
Stevens, Wallace
strain rebound
strippeuses
tower hopper
traveling barrel
tripeptide
tumbler bearing
underwater operating machine
USNT
vanillic alcohol
vicio
vmiq
water screen