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pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(91) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 Scientific American(四)月
学英语单词
9-ethylanthracene
a. angularis
abduls
adventitious circumstances
amateur weather station
anatomids
aniline green
Annestown
anthony hopkinss
arcus volaris superficialis
authoritative parenting style
ayup
cataloguable
chevins
Christmas comes but once a year
conical flow pump
consecutive storage unit
control system simulation
crawe
deontological
depauperate family
donga
duplicate pump
dynamical stability on cushion
elementary product
elovson
ethylene disulfhydrate
fringe cupss
galvanosurgery
gas oil pump
gongylite
group material-flow layout
grouting machine
hallworth
high light tracking
Holmskioldia
hydraulic preamplifier
hypophysial cachexia
i-broke
indie
Julierpass
kurowski
left upper abdomen
lidden
lithokelyphopedion
lobelism
lowlands
LSCL
Lymtudor
mesalox glauciae
meuse-argonne operations
movement weight pulley
multithemed
opposable thumb
organizational theory
patyl
PDLC
perinaphthene
Permanganwolframite
pipe-dreamed
plain grinding machine
plaugher
pleural exudate
positive colour
precinematic
pressure critical
protractedtest
ravings
receptaculites
rib spacing
Robert Frost
rock mechanics
roll stiffness
rusticated stone
saccharonolactone
Saimbeyli
sales network
sand plovers
satellite control network
seissure
shake the plum tree
Sheep-market
shock-proof glass electrode
sing-alongs
smash hit
socket-compatibility
spontaneous electric activity
subsaltatory
superlative morpheme
table balance
tache meningeale
taper turning attachment
Tayug
thermodynamics of mesosphere
underprioritizes
United Irishmen
unpublished
uphance
verfication of outstandings by correspondence
water chemistry of nuclear reactor systems
wheel retracting gear
wodewose