منابع مشابه
Respiratory Exposure of Animals to Microorganisms with the Henderson Apparatus.
The Henderson Apparatus has been in use for many years for the study of infectious disease transmission by the respiratory route. It is a simple, inexpensive apparatus for exposure of small animals to dynamic aerosols. This report presents detailed information concerning necessary equipment and techniques for conducting this type of experiment in a safe manner. References are made to commercial...
متن کاملProposed upper limit of respiratory resistance for inhalation apparatus used in labour.
A specification for the upper limit of the inspiratory resistance for inhalation-analgesia apparatus used in labour has been derived by considering the additional respiratory power required to overcome the apparatus resistance. It is recommended that the additional power required to inspire through the apparatus, with the ventilation occurring in mothers having analgesia, should not be greater ...
متن کاملAn Apparatus for the Study of Respiratory Quotient and Basal Metabolism of Mice
A simple apparatus has been developed for the study of the respiratory quotient and basal metabolism of mice. Data are given which indicate that the values for the respiratory quotient obtained are accurate to within 0.02. The apparatus is especially designed for rapid, routine manipulation.
متن کاملThe Calibration of the Osterhout Respiratory Apparatus for Absolute Quantities of Carbon Dioxide
In the course of a piece of work on the amount of carbon dioxide produced by sea anemones it was found desirable to use the respiratory apparatus devised by Osterhout (1918), and as it was necessary in this work to determine the absolute quantity of carbon dioxide eliminated by these animals, an attempt was made to calibrate this apparatus for such determinations. The method finally adopted see...
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Eucapnic voluntary hyperpnoea (EVH) challenge provides objective criteria for exercise-induced asthma (EIA) or exercise-induced bronchoconstriction (EIB), and it was recommended to justify the use of inhaled β₂-agonists by athletes for the Olympics. This paper presents the development of a compact and easy-to-use EVH apparatus for assessing EIB in human subjects. The compact apparatus has been ...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1908
ISSN: 0036-8733
DOI: 10.1038/scientificamerican01111908-30