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English |
Comments |
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NA
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NA
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Numerical aperture (in microscopy)
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Nachklärbecken
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Final settling tank
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Secondary sedimentation basin
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NAD
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NAD
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Nicotinamide adenine dinucleotide; a
coenzyme for dehydrogenases; reduced form is NADH. Formerly called DPN
(diphosphopyridine nucleotide), previously Coenzyme I
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NADP
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NADP
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Nicotinamide adenine dinucleotide
phosphate; a coenzyme for dehydrogenases; reduced form is NADPH. Formerly
called TPN (triphosphopyridine nucleotide), previously Coenzyme II.
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Nähragar
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Nutrient Agar
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A specific composition of bacterial
nutrients solidified with agar
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Nährboden
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m, -s, -böden
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Nutrient medium, pl: media
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‘Media’ is plural, but is sometimes used
carelessly to mean ‘medium’.
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Nährmedium
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Nutrient medium; pl: media
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Nährungskette
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f
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Food chain
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Nebenprodukt
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Byproduct
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Nephelometrie
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Nephelometry
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Measurement of turbidity using light
scattered at an angle to the incident beam; particularly sensitive at low
turbidity.
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Neutralrot
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Neutral Red
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Basic Red; CI 50040
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Newton’sche Flussigkeit
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Newtonian liquid
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(Not ‘Newton’s liquid’)
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Newtonzahl
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Newton’s number
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Power number
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Nigrosin
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Nigrosine
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A black stain (dye) which does not
penetrate living cells; used for ‘negative staining’.
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NIH
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NIH
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(US) National Institutes of Health
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Nitrifikation
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Nitrification
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Conversion of ammonia to nitrite or
nitrate
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Normalpotential
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Standard potential
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Potential (voltage) of a ‘Standard
Hydrogen Electrode’ (SHE) (specified conditions); also used to mean the
potential of certain other systems in relation to the standard hydrogen
electrode.
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Normschliffverbindung
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f
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Standard ground joint
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Normally a ground glass joint; often
‘standard taper’ in US
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Numerisch apertur
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Numerical aperture
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In optical microscopy, a value that is
critical for resolving power
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Copyright © 2010 Denzel Dyer, all rights reserved.
