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On the Calibration of Cascade Impactors

Description: From Abstract: "In the following paper, the two customary methods of calibrating cascade impactors are compared. It is shown that the method of determining collection efficiency as a function of particle size for each stage provides information for interpreting results in terms of impactor theory, making it possible to establish adequate jet performance."
Date: August 31, 1962
Creator: Mercer, T. T.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Operating Characteristics of the Lauterbach and Dautrebande Aerosol Generators

Description: From Abstract: "The air flow through the jet, the effect of a pre-humidifier on the water vapor content of the jet air, the cooling effect of the jet air on the generator solution, and the amount of water vapor carried away by the jet air were also determined and the results are discussed."
Date: February 1963
Creator: Mercer, T. T.; Tillery, M. I. & Flores, M. A.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Procedures and Equipment Used in Inhalation Studies on Small Animals

Description: From Introduction: "These facts prompted the initiation of an effort to develop appropriate exposure equipment. The purpose of this communication is first, to describe an apparatus which, with modifications, allows pertinent information to be obtained on each individual small animal exposed and secondly, to set forth the pre- and post-exposure procedure adopted for obtaining required quantitative data regarding respiration, deposition. distribution and excretion."
Date: September 1963
Creator: Thomas, R. G. & Lie, R.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Response to Secondary Antigenic Stimulus After Whole Body X-Irradiation in the Beagle

Description: From Abstract: "The results of the administration to healthy beagles of a secondary antigenic stimulus (booster dose) of Leptospira canicola and infectious canine hepatitis virus (ICH) are reported." From Introduction: "The results, using animals immunized with leptospira and infectious canine hepatitis virus (ICH) and exposed to x-irradiation, are reported."
Date: September 1964
Creator: Pindak, F. F.; Stara, J. F.; Clapper, W. E. & Clapper, W. E.
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Stage Constants of Cascade Impactors

Description: From Introduction: "In the present work, the relationship between the true MMD's calculated in this way and the MMD's which could be obtained from a microscope analysis has been determined. This has been done to establish that the comparison being made gives a valid representation of what could be encountered in practice. The comparison has then been extended to cover a wide range of particle size distributions for three different impactors."
Date: October 1963
Creator: Mercer, T. T.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Tracheobronchial Geometry: Human, Dog, Rat, Hamster - A Compilation of Selected Data from the Project Respiratory Tract Deposition Models

Description: From abstract: "This report documents data collected by detailed measurements of the geometrical features of the tracheobronchial conducting airways of the lungs of four mammalian species."
Date: March 1976
Creator: Raabe, Otto G.; Yeah, Hsu-Chi; Schum, Michael G. & Phalen, Robert F.
Item Type: Report
Partner: UNT Libraries Government Documents Department