American Journal of Physiology, 1910, Vol. 26 (Classic Reprint)
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| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from American Journal of Physiology, 1910, Vol. 26 The two respiration calorimeters described by Benedict and Carpenter have been subjected to numerous tests as to the capability of the apparatus for measuring accurately heat, water vapor, carbon dioxide, and oxygen, by developing measured amounts of heat electrically, or burning known amounts of alcohol inside the chamber. The results obtained in control experiments of six or eight hours have been very satisfactory, but in experiments with man the measurements arc often made in periods as short as one hour. Since any irregularities in measurement, either of the heat developed inside the chamber or of the heat measured by the chamber, may easily be averaged throughout a period of six or eight hours and still not affect materially the result for the whole period, it is necessary to prove that the apparatus measures accurately all four factors during a period as short as one hour before the results of one-hour experiments with man can be considered as reliable and accurate. Two kinds of tests have therefore been made, - the first in order to determine the accuracy of the apparatus as a calorimeter, and the second to test its efficiency both as a respiration apparatus and as a calorimeter. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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