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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(139) / 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(162) / 评论(0) 分类 Scientific American(四)月
学英语单词
a-gardner
acceptance quality level
additional debt restriction
AE (air escape)
Alpokalja
Arouelli
arresting lever
asphalt solar energy melter
astae
attakatha (india)
bacterial flagella
boronated
bowl hearth
canalejas del arroyo
carbonyl chlorobromide
carebaria
carotenes
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checkabler
classification and regression trees (cart)
collegiate bench meeting
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contextual meaning
datum plane of gauge
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demultiplexer
double date
enjoinest
enquiry agent
feed water piping
flame retarder
fluprofen
fu-organ syndrome
fuel misposition accident
gari pallida
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get sb up
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Naofuming
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obs.
oligacanthus
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phae
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Pozzuoli
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product moment correlation coefficient
propane dryer
proxicromil
pursuit curve
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riegger
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