| C | natural science b-out d-out ah |
| CA | physical science d-out ah |
| CBe | basic physical science concepts d-out ah |
| CB2 | . size ah |
| CB4 | . mass (physics) ah |
| CB6 | . physical density ah |
| CB6.2 | . . specific gravity ah |
| CB6.4 | . . vapor density ah |
| CB8 | . inertia (physics) ah |
| CB10 | . weight ah |
| CB12 | . physical force ah |
| CB12.2 | . . gravity ah |
| CB12.4 | . . physical pressure ah |
| CB12.4.2 | . . . vapor pressure ah |
| CB12.4.4 | . . . osmotic pressure ah |
| CB12.6 | . . physical tension ah |
| CB12.6.2 | . . . surface tension ah |
| CB14 | . motion ah |
| CB14.2 | . . rotation ah |
| CB14.4 | . . speed (motion) ah |
| CB14.6 | . . acceleration (motion) ah |
| CB14.8 | . . deceleration (motion) ah |
| CB16 | . work (physics) ah |
| CB18e | . energy ah |
| CB18.2 | . . potential energy ah |
| CB18.4 | . . mechanical energy ah |
| CB18.4.2 | . . . kinetic energy ah |
| CB18.6 | . . thermal energy ah |
| CB18.8 | . . electromagnetic energy ah |
| CB18.8.2 | . . . electrical energy ah |
| CB18.8.4 | . . . solar energy ah |
| CB18.10 | . . atomic energy ah |
| CB18.12 | . . chemical energy ah |
| CB18.12.2 | . . . heat of combustion ah |
| CB20e | . radiation ah |
| CB20.2 | . . fluorescence ah |
| CB20.4 | . . ionizing radiation ah |
| CB20.4.4 | . . . x-ray ah |
| CB20.6 | . . nonionizing radiation ah |
| CB20.6.2 | . . . ultraviolet radiation ah |
| CB20.6.4 | . . . microwave ah |
| CB20.6.6 | . . . radio wave ah |
| CB22e | . temperature ah |
| CB22.2 | . . freezing point ah |
| CB22.4 | . . boiling point ah |
| CB22.6 | . . ambient temperature ah |
| CB24 | . fluid property ah |
| CB24.2 | . . fluidity ah |
| CB24.4 | . . viscosity ah |
| CB24.4.2 | . . . microviscosity ah |
| CB26 | . electrical property ah |
| CB26.2 | . . electrical conductivity ah |
| CB26.4 | . . electrical resistance ah |
| CCe | elementary particle d-out ah |
| CC2 | . photon ah |
| CC4 | . subatomic particle ah |
| CC4.2 | . . electron ah |
| CC4.4 | . . neutron ah |
| CC4.6 | . . proton ah |
| CC4.8 | . . positron ah |
| CC6e | . atom ah |
| CC6.2e | . . radionuclide ah |
| CC8e | . molecule ah |
| CC10e | . ion ah |
| CC10.2e | . . anion ah |
| CC10.4e | . . cation ah |
| CC12 | . atomic and molecular measure ah |
| CC12.10 | . . valence (atomic) ah |
| CD | wave d-out ah |
| CD6 | . wave measure ah |
| CD6.2 | . . wave amplitude ah |
| CD6.4 | . . wave frequency ah |
| CD6.6 | . . wavelength ah |
| CD6.8 | . . wave resonance ah |
| CEe | morphology d-out ah |
| CE2 | . plastic property ah |
| CF | physical state d-out ah |
| CF2 | . gas ah |
| CF2.2 | . . vapor ah |
| CF2.4 | . . fume ah |
| CF4 | . aerosol ah |
| CF6 | . liquid ah |
| CF8 | . solid ah |
| CF8.2 | . . gel ah |
| CF8.4 | . . paste ah |
| CF8.6 | . . powder ah |
| CF10 | . colloid ah |
| CF10.2 | . . micelle ah |
| CF12 | . emulsion ah |
| CF14 | . solution (physicochemical) ah |
| CF14.2e | . . solubility ah |
| CF14.2.2e | . . . water solubility ah |
| CF14.2.4e | . . . lipid solubility ah |
| CF14.4 | . . dilution ah |
| CF14.6 | . . concentration (physicochemical) ah |
| CF14.6.2e | . . . osmolality ah |
| CF14.6.4 | . . . osmolarity ah |
| CF14.8 | . . gaseous solution ah |
| CF14.10 | . . liquid solution ah |
| CF16 | . suspension (physical) ah |
| CF18 | . mixture (physics) ah |
| CGe | physical process d-out ah |
| CG2 | . temperature change ah |
| CG4 | . physical state change ah |
| CG4.2 | . . volatilization ah |
| CG4.4 | . . evaporation ah |
| CG4.6 | . . desiccation ah |
| CG4.8 | . . fluidization ah |
| CG4.10 | . . solidification ah |
| CG6 | . saturation ah |
| CG8 | . osmosis ah |
| CG10 | . scintillation ah |
| CHe | sensory stimuli d-out ah |
| CH2e | . light ah |
| CH2.2 | . . luminescence ah |
| CH2.4 | . . light spectrum ah |
| CH2.4.2 | . . . infrared light ah |
| CH2.4.4 | . . . visible light ah |
| CH2.4.6 | . . . ultraviolet light ah |
| CH2.6 | . . light intensity ah |
| CH2.6.2 | . . . darkness ah |
| CH2.6.4 | . . . brightness ah |
| CH2.8e | . . color ah |
| CH2.8.20 | . . . hue ah |
| CH2.10 | . . illumination ah |
| CH4e | . sound ah |
| CH4.2 | . . ultrasound ah |
| CH4.4 | . . noise (sound) ah |
| CH6e | . taste ah |
| CH8e | . smell ah |
| CJe | chemistry d-out ah |
| CJ2e | thermodynamics ah |
| CJ2.2 | . energy conservation ah |
| CJ2.2.2 | . . energy transfer ah |
| CJ2.2.4 | . . steady state ah |
| CJ2.2.4.2 | . . . isothermality ah |
| CJ2.4 | . entropy (thermodynamics) ah |
| CJ2.4.2 | . . equilibrium point ah |
| CJ2.4.2.2 | . . . equilibrium constant ah |
| CJ2.4.4 | . . free energy ah |
| CJ2.4.4.2 | . . . free energy change ah |
| CJ2.4.6 | . . enthalpy ah |
| CK | chemical bonding, molecular interaction d-out ah |
| CK2e | . molecular structure ah |
| CK2.2e | . . isomer ah |
| CK2.2.2 | . . . stereoisomer ah |
| CK2.4e | . . structure activity relationship ah |
| CK4e | . chemical bonding ah |
| CK4.2e | . . chemical bond ah |
| CK4.2.2e | . . . ionic bond ah |
| CK4.2.4e | . . . covalent bond ah |
| CK4.2.4.2e | . . . . adduct ah |
| CK4.2.4.4e | . . . . disulfide bond ah |
| CK4.2.4.6e | . . . . peptide bond ah |
| CK6e | . chemical reactivity ah |
| CK6.2 | . . orbitals ah |
| CK6.4 | . . bond length ah |
| CK6.6 | . . bond angle ah |
| CK6.8 | . . bond strength ah |
| CK6.8.2 | . . . bond dissociation energy ah |
| CK6.10 | . . covalence ah |
| CK6.12 | . . ionization energy ah |
| CK6.12.2 | . . . electron affinity ah |
| CK6.14 | . . electronegativity ah |
| CK6.16 | . . polarity ah |
| CK8e | . ligand ah |
| CK10e | . radicals ah |
| CK10.2e | . . free radicals ah |
| CK10.4e | . . oxygen radicals ah |
| CK12e | . molecular interaction ah |
| CK12.2 | . . hydrogen bonding ah |
| CK12.4 | . . hydrophobic interaction ah |
| CK14 | . acidity or alkalinity ah |
| CLe | chemical reaction d-out ah |
| CL2e | . chemical kinetics ah |
| CL2.2 | . . reaction rate ah |
| CL4e | . catalysis ah |
| CL6e | . chemical breakdown ah |
| CL8e | . chemical synthesis ah |
| CL8.2e | . . polymerization ah |
| CL8.4 | . . transfer reaction ah |
| CL10e | . biochemical reaction property ah |
| CL10.2 | . . enzyme specificity ah |
| CM | . specific chemical reaction d-out ah |
| CM2e | . . oxidation-reduction ah |
| CM2.2e | . . . oxidation ah |
| CM2.2.2e | . . . . peroxidation ah |
| CM2.4e | . . . reduction ah |
| CM4e | . . oxidative stress ah |
| CM6 | . . aerobic reaction ah |
| CM8 | . . anaerobic reaction ah |
| CM10 | . . acylation ah |
| CM10.2 | . . . acetylation ah |
| CM10.4 | . . . N acylation ah |
| CM10.6 | . . . transacylation ah |
| CM12 | . . alkylation ah |
| CM12.2 | . . . methylation ah |
| CM12.2.2 | . . . . carboxymethylation ah |
| CM12.2.4 | . . . . transmethylation ah |
| CM14 | . . dealkylation ah |
| CM16 | . . amidation ah |
| CM18 | . . amination ah |
| CM18.2 | . . . transamination ah |
| CM20 | . . carboxylation ah |
| CM22e | . . glycosylation ah |
| CM22.2 | . . . glycation ah |
| CM24 | . . halogenation ah |
| CM24.2 | . . . chlorination ah |
| CM24.4 | . . . fluorination ah |
| CM24.6 | . . . iodination ah |
| CM26e | . . hydroxylation ah |
| CM28 | . . sulfation ah |
| CM30 | . . nucleophilic substitution ah |
| CM30.2 | . . . esterification ah |
| CM30.4 | . . . peptide bond formation ah |
| CM30.6 | . . . acid anhydride formation ah |
| CM32e | . . hydrolysis ah |
| CM34e | . . phosphorylation ah |
| CM34.2e | . . . autophosphorylation ah |
| CP | other physical sciences d-out ah |
| CQ | physical and chemical analysis and measurement d-out ah |
| CQ2e | spectrum analysis ah |
| CQ2.2e | . spectroscopy ah |
| CQ2.2.2 | . . electron spectroscopy ah |
| CQ2.2.4 | . . molecular-beam spectroscopy ah |
| CQ2.2.6 | . . x-ray spectroscopy ah |
| CQ2.2.8 | . . microwave spectroscopy ah |
| CQ2.2.10 | . . infrared spectroscopy ah |
| CQ2.2.12 | . . ultraviolet spectroscopy ah |
| CQ2.2.14 | . . mass spectroscopy ah |
| CQ2.2.16 | . . emission spectroscopy ah |
| CQ2.2.18 | . . NMR spectroscopy ah |
| CQ2.4 | . spectrography ah |
| CQ2.6e | . spectrometry ah |
| CQ2.6.2 | . . mass spectrometry ah |
| CQ2.6.4 | . . magnetic resonance spectrometry ah |
| CQ2.8 | . spectrophotometry ah |
| CQ2.8.2 | . . atomic absorption spectrophotometry ah |
| CQ2.8.4 | . . flame emission spectrophotometry ah |
| CQ4e | optical analysis ah |
| CQ4.2 | . colorimetry ah |
| CQ4.4 | . polarimetry ah |
| CQ4.6 | . x-ray diffraction ah |
| CQ4.8 | . photometry ah |
| CQ4.8.2 | . . densitometry ah |
| CQ4.8.4 | . . nephelometry ah |
| CQ6 | radiation measurement ah |
| CQ6.2 | . radiometry ah |
| CQ6.2.2 | . . scintillation counting ah |
| CQ6.4 | . neutron activation analysis ah |
| CQ6.4.2 | . . isotope dilution method ah |
| CQ8 | differential thermal analysis ah |
| CQ8.2e | . calorimetry ah |
| CQ8.4 | . cryoscopy ah |
| CQ10e | electrochemical analysis ah |
| CQ10.2 | . potentiometry ah |
| CQ12e | separation method ah |
| CQ12.2 | . distillation (physicochemical) ah |
| CQ12.4 | . foam fractionation ah |
| CQ12.6 | . flotation ah |
| CQ12.8 | . sublimation ah |
| CQ12.10 | . precipitation ah |
| CQ12.12 | . sedimentation ah |
| CQ12.12.2 | . . differential sedimentation ah |
| CQ12.14 | . crystallization ah |
| CQ12.16 | . extraction ah |
| CQ12.18 | . adsorption ah |
| CQ12.20e | . rate separation method ah |
| CQ12.20.2e | . . filtration ah |
| CQ12.20.2.4 | . . . membrane filtration ah |
| CQ12.20.2.6 | . . . ultrafiltration ah |
| CQ12.20.2.8e | . . . dialysis ah |
| CQ12.20.2.8.2e | . . . . microdialysis ah |
| CQ12.20.2.10 | . . . reverse osmosis ah |
| CQ12.22e | . field separation method ah |
| CQ12.22.2 | . . centrifugation ah |
| CQ12.22.2.2 | . . . ultracentrifugation ah |
| CQ12.22.4 | . . electrolysis ah |
| CQ12.22.6e | . . electrophoresis ah |
| CQ12.22.6.2 | . . . paper electrophoresis ah |
| CQ12.22.6.4 | . . . gel electrophoresis ah |
| CQ12.22.6.4.2 | . . . . polyacrylamide gel electrophoresis ah |
| CQ12.22.6.6 | . . . thin-layer electrophoresis ah |
| CQ12.22.6.8 | . . . two-dimensional electrophoresis ah |
| CQ12.22.6.10 | . . . moving boundary electrophoresis ah |
| CQ12.22.6.12 | . . . zone electrophoresis ah |
| CQ12.22.6.14e | . . . Northern blotting ah |
| CQ12.22.6.16e | . . . Southern blotting ah |
| CQ12.22.6.18e | . . . Western blotting ah |
| CQ12.22.6.20 | . . . counterimmunoelectrophoresis ah |
| CQ12.22.6.22 | . . . electroimmunoassay ah |
| CQ12.22.6.24 | . . . protein electrophoresis ah |
| CQ12.22.6.24.2 | . . . . isoenzyme electrophoresis ah |
| CQ12.22.6.24.4 | . . . . lipoprotein electrophoresis ah |
| CQ12.22.6.26 | . . . peptide electrophoresis ah |
| CQ12.22.8 | . . enzyme degradation ah |
| CQ12.22.10 | . . molecular distillation ah |
| CQ12.24e | . phase distribution method ah |
| CQ12.24.2e | . . chromatography ah |
| CQ12.24.2.2e | . . . gas chromatography ah |
| CQ12.24.2.4e | . . . liquid chromatography ah |
| CQ12.24.2.4.2e | . . . . high pressure liquid chromatography ah |
| CQ12.24.2.12 | . . . partition chromatography ah |
| CQ12.24.2.14 | . . . paper chromatography ah |
| CQ12.24.2.16 | . . . gel chromatography ah |
| CQ12.24.2.18 | . . . thin-layer chromatography ah |
| CQ12.24.2.20 | . . . column chromatography ah |
| CQ12.24.2.22 | . . . adsorption chromatography ah |
| CQ12.24.2.24 | . . . ion exchange chromatography ah |
| CQ12.24.2.26 | . . . gel filtration chromatography ah |
| CQ12.24.2.28 | . . . affinity chromatography ah |
| CQ12.24.2.32 | . . . elution chromatography ah |
| CQ12.24.2.34 | . . . two-dimensional chromatography ah |
| CQ12.24.2.36 | . . . nucleotide mapping ah |
| CR | imaging technique d-out ah |
| CR2e | microscopy ah |
| CR2.2 | . electron microscopy ah |
| CR2.4 | . scanning electron microscopy ah |
| CR4 | satellite photography ah |
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