NBS Special Publication, Issues 411-415U.S. Government Printing Office, 1974 |
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... Crystal .. · Raymond L. Chuan Development , Calibration and Application of Size Distribution Instruments at the University of Minnesota .. V. A. Marple List of Attendees .. Authors Index 89 97 127 137 149 177 179 Key Word Index ...
... Crystal .. · Raymond L. Chuan Development , Calibration and Application of Size Distribution Instruments at the University of Minnesota .. V. A. Marple List of Attendees .. Authors Index 89 97 127 137 149 177 179 Key Word Index ...
Page 137
... crystal ; quartz crys- tal microscope . I. DESCRIPTION OF THE TECHNIQUE The Quartz Crystal Microbalance ( QCM ) is a piezoelectric device which senses the mass of particulate matter impacted aerodynamically on an adhesive - coated ...
... crystal ; quartz crys- tal microscope . I. DESCRIPTION OF THE TECHNIQUE The Quartz Crystal Microbalance ( QCM ) is a piezoelectric device which senses the mass of particulate matter impacted aerodynamically on an adhesive - coated ...
Page 138
SENSING CRYSTAL SENSING MODULE SENSING OSCILLATOR CONTROL MODULE MIXER FREQ . TO VOLTAGE RATE REFERENCE CRYSTAL H REFERENCE OSCILLATOR OUTPUTS FREQ . SATURATION CONCENTRATION ELECTRONIC SCHEMATIC BY - PASS V SAMPLE о EXHAUST CONTROL ...
SENSING CRYSTAL SENSING MODULE SENSING OSCILLATOR CONTROL MODULE MIXER FREQ . TO VOLTAGE RATE REFERENCE CRYSTAL H REFERENCE OSCILLATOR OUTPUTS FREQ . SATURATION CONCENTRATION ELECTRONIC SCHEMATIC BY - PASS V SAMPLE о EXHAUST CONTROL ...
Page 139
... crystal is of volatile material , some of the mass initially captured may be lost due to evap- oration , which is also accompanied by some cooling of the crystal sur- face . The resulting response in the differentiated analog signal is ...
... crystal is of volatile material , some of the mass initially captured may be lost due to evap- oration , which is also accompanied by some cooling of the crystal sur- face . The resulting response in the differentiated analog signal is ...
Page 140
... crystal with respect to time . The mass rate and the volume flow rate then yield the mass concentration . Figure 5 shows the temporal variation in the particulate mass concentration in a ventilated room when an aerosol hair - spray can ...
... crystal with respect to time . The mass rate and the volume flow rate then yield the mass concentration . Figure 5 shows the temporal variation in the particulate mass concentration in a ventilated room when an aerosol hair - spray can ...
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aerosol sprays analysis analyzer antiperspirant Applications atomic beam Building Bureau of Standards burn room calibration calorimeter Capability carbon monoxide carpet ceiling cellulose char length chemical Chemistry combustion concentration Contact corridor cotton crib density detector determine diameter distribution droplet effect electrical electron energy Engineering fabric facility fire department fire investigation Fire Research Fire Safety fire tests firefighters flame retardant flame spread flameover flammability flow frequency Gaithersburg gypsum board hazard heat ignition source inches instrument intensity involved isotopes laboratory laser light scattering Literature mass materials ment micrometer molecular National Bureau NBS Reactor neutron nylon operation optical optical density oxide oxygen particles percent phase Phone phosphorus polymer problems pyrolysis radiant flux radiation range sample Section smoke soffit specimen spectrometer spray structure studies surface Tech techniques Technology temperature test method thermal tion vertical wall