start-up time in analysis , 1440 starting line in chromatography , 1441state crossing, 1441 state diagram, 1441 state-to-state kinetics, 1441 static fields mass spectrometer, 1441 static pressure, 1441 static stability, 1442 stationary phase (fermentation), 1442 stationary phase in chromatography , 1442 stationary phase volume, in chromatography , 1443 stationary state, 1443 stationary-phase fraction, 1443 statistical copolymer, 1443 statistical copolymerization, 1443 statistical segment in polymers , 1444 steady state in liquid-liquid distribution , 1444 steady state (stationary state), 1444 Stefan–Boltzmann constant, 1445 stem cell, 1445 stem in polymer crystals , 1446 step height in chromatography , 1446 step in chromatography , 1446 stepwise elution in chromatography, 1446 stepwise reaction, 1446 steradian, 1447 stereoblock macromolecule, 1447 stereoblock polymer, 1447 stereochemical formula (stereoformula), 1447 stereochemical non-rigidity, 1447 stereoconvergence, 1448 stereodescriptor, 1448 stereoelectronic, 1448 stereoelectronic control, 1448 stereogenic unit (stereogen/ stereoelement), 1449 stereoheterotopic, 1449 stereohomosequence in a polymer , 1449 stereoisomerism, 1449 stereoisomers, 1450 stereomutation, 1450 stereoregular macromolecule, 1450 stereoregular polymer, 1450 stereorepeating unit in a polymer , 1450 stereoselective polymerization, 1451 stereoselective synthesis, 1451 stereoselectivity, 1451 stereosequence in a polymer , 1451stereospecific polymerization, 1451 stereospecifically labelled tracer, 1452 stereospecificity (stereospecific), 1452 steric effect, 1452 steric factor, 1453 steric factor in polymers , 1453 steric hindrance, 1453 steric isotope effect, 1454 steric strain, 1454 steric-approach control, 1454