Molar flow Subject

LIQM = liquid molar flow rate over the subject tray, mol/h... 

We solve (k) simultaneously with (h) and (i) subject to the initial conditions (reactor inlet) Zi(0) = Z2(0) = 0, 0(0) = 1, for different values of total space time, Ttot, and determine the final extents and 0 at each Tjof Figure E9.3.1 shows the reaction operating curves, and Figure E9.3.2 shows the temperature curve. To obtain the species operating curves, we use Eq. 2.7.8 to express the species molar flow rates at the reactor outlet. 

For the present fluid-mechanical tests a homologous series of polyacrylamide (PAAm) samples was used whose mean weights, of the molar masses were determined by means of a low-angle laser-light-scattering photometer. The PAAm samples exhibit virtually the same molecular weight distribution Myy/Mn = 2.5 the intrinsic viscosity [ 7 1 was deter-minded in a Zimm-Crothers rotational viscometer, since the polymer solutions are subjected to a very low shear rate in this instrument. The porous media flow tests were carried out with the aid of an instrument such as described in Refs. [1, 2]. Reference is also made to these studies as regards the test procedure and evaluation of the measured data. 

C, 100 D, 1000 pmol/litre. Perchloric acid extracts of the cells (a) and medium (b) were prepared, and subjected to anion exchange HPLC on a Lichrosorb AN 10 anion exchange column under the following conditions water/-ammonium phosphate 0.8 molar pH 4.5, gradient from 3 to 100% with a delay of 1 minute, sweep time of 10 minutes and a flow rate of 2 ml/minute. Elution positions of orotate and uridine species were determined by UV absorption of simultaneously injected markers fractions were collected and radio-activity plotted against eluate number for the neutralized cell (a) and medium (b) extracts. In the latter case only the labelled uridine is depicted. The identity of the markers is as follows 1, uridine 2, UMP 3, UDP-glucose 4, orotate 5, UDP 6, UTP. 

To provide approximate answers to these questions, recall the analysis of separation development carried out in Section 3.2.1, where a pulse of a solute mixture was introduced into the solvent at time t = 0 at one end of the separator liquid, which was stagnant and subjected to an external force field in the z-direction, there being no variations in the x- andy-directions. The only differences here are as follows (1) there is a convective motion of the buffer solution in the capillary in the z-direction and (2) since we have a cylindrical capillary of radius R, we will assume no variations in the 9- and r-directions (instead of the X- and y-directions). Consider the general equation (6.2.5a) for a molar concentration Q of species i. Neglect 9- and r-dependencies and assume v — v = (vEOF,z)k for the electroosmotic flow. Assume (veoe,z) and Ujz to be constant. We get... 

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