Finally, the pathway of nitrate reduction was examined to calculate the nitrogen gas selectivity.
The nitrate concentration on days 0 and 28 was used to calculate the nitrogen transformation rate.
We measured the amount of nitrogen concentration in dialysate/ultrafiltrate samples, and calculated the nitrogen balance in such patients.
Because Kjeldahl nitrogen determination or pyrochemiluminescence are generally not routinely performed in the clinical laboratory in Taiwan, UUN was used as an estimate of total urinary nitrogen when we calculated the nitrogen output for the nitrogen balance.
Related to these variables LEAFDEMAND calculates the nitrogen required for the expected leaf expansion and used this to calculate appropriate transport of nitrogen between leaf and stem if that was required to sustain leaf expansion.
Synchronisation problems are avoided by calculating the alveolar nitrogen concentration from end-tidal carbon dioxide and oxygen concentrations, and the FiO2 changes are limited to only 10%, which can be considered safe even in critically ill patients.
Calculating the concentration dependent nitrogen diffusivity, it can be shown that this kink corresponds to steep increase of the diffusivity by nearly a factor of ten.
Washout/washin technique is a multiple breath maneuver that with a modification of 0.1 in FiO2 calculates the residual nitrogen in the lung (assuming there is not exchange of nitrogen) by continuous measurements of oxygen and carbon dioxide.
The pore size distribution and Brunauer Emmett Teller (BET) surface area were calculated from the nitrogen adsorption desorption isotherm that is obtained by using an Autosorb-1 automatic surface area and pore size distribution analyzer.
The Bruauer Emmett Teller (BET) specific surface area was calculated by the nitrogen isotherm curve and pore size distribution of Fe3O4 microflowers was determined by the Barret Joyner–Halenda (BJH) method.
