[化] 磷酸镱; 正磷酸镱

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(83) / 评论(0) 分类 医务英语

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(66) / 评论(0) 分类 Scientific American(八)月

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(103) / 评论(0) 分类 Scientific American(四)月
学英语单词
a piece of bread
accounting policy
bicarb
bisexual female
book-list
borders on
boundary lipid
bowwows
brachysyllabic
callistethus formosanus
capability mechanism
carbon-graphite impregnated with inorganic salt
caustic brittleness
Chloroaluminite
coclass
convite
deep-sea divers
deprecatorily
efficiency of economic operations
equivalent change
facies dorsales (digitorum pedis)
fluorescence x-ray analyzer
formable period offreezing wall
fuel cladding integrity
gallwitz
gamma ray logger
Gentiana itzershanensis
genus gazellas
graphitizes
hadopelagic zone
hitchily
hot-metals
hukous
hydroscopic water content
in red
income share
indepartable
industry application program
International Cricket Council
it-well
jackshaft
Japan Information Processing Network
lever assisted diagonal cutting nipper
Litsea mollifolia
little tradition
macro-environment
mazel
metaconid
minimum phase-shift network
mucinemia
Mycenaean civilization
necormimesis
neoseiulus spineus
nickel aluminate
Orr treatment
paggled
Pakxan
pancreatin
paper smoothness tester withvacuum pump
Paralamium
personal trainer
Pidimbaro
pilimictio
pluckier
Poggendorf
Point Pleasant
prepossessings
protonic conduction
Pularin
pwnt
radiocobalt
receiving department
retardation factor
rhachi-,rhachio-
rito
runlevel
San Marcos, Dep.de
Schmidt-Lantermann's incisures
secondary acid
serena williams
short-finned eel
side sheets
sign and issue
since that time
Solca
static reactivity
stock-turn
surface taut moor
test-pilots
thirdel
time varying channel
Torula capsulatus
transimission shaft
U. S. S. C.
unforeseen work
ungig
urban heliport
velocity of projection
voucher plan
Vrbovec
Vucic
Yauca, R.