NBS Special Publication, Issues 411-415U.S. Government Printing Office, 1974 |
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Page 198
... particles that are present alters this balance in favor of recombination and reduces the collected current . This type of detector has a sensitivity bias towards very small particles . On a per mass of aerosol basis , the sensitivity is ...
... particles that are present alters this balance in favor of recombination and reduces the collected current . This type of detector has a sensitivity bias towards very small particles . On a per mass of aerosol basis , the sensitivity is ...
Page 240
... particle runs is shown in figure 5 as a histogram of percent frequency versus size parameter a . The maximum frequency is at a = 4.79 with 90 percent of the particles between 4.58 and 4.90 . The remaining particles are grouped ...
... particle runs is shown in figure 5 as a histogram of percent frequency versus size parameter a . The maximum frequency is at a = 4.79 with 90 percent of the particles between 4.58 and 4.90 . The remaining particles are grouped ...
Page 240
... particles cannot be used to detect the presence of these smaller particles . We also determined the size distribution of this latex in the con- ventional manner using the liquid suspension . The results for the aver- age diameter are ...
... particles cannot be used to detect the presence of these smaller particles . We also determined the size distribution of this latex in the con- ventional manner using the liquid suspension . The results for the aver- age diameter are ...
Page
... particles , but they have definite limitations regarding the concentrations and count rates that they can handle . Instruments based upon the latter three principles are much more adept at handling high concentrations but it is ...
... particles , but they have definite limitations regarding the concentrations and count rates that they can handle . Instruments based upon the latter three principles are much more adept at handling high concentrations but it is ...
Page 5
... particles , but they have definite limitations regarding the concentrations and count rates that they can handle . Instruments based upon the latter three principles are much more adept at handling high concentrations but it is ...
... particles , but they have definite limitations regarding the concentrations and count rates that they can handle . Instruments based upon the latter three principles are much more adept at handling high concentrations but it is ...
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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