Fig. 2. Sephadex G.75 elution profiles of kidney supernatants ofrats and mice injected with zinc. The kidney supernatants (10 ml/column) were applied to a Sephadex G-75 column, eluted with 1 mM Tris buffer solution (pH 8.6), and collected (5 ml/tube). -, Zn; and -, Cu. The arrow indicates the metallothionein fraction. RK and MK are abbreviated forms of rat kidney and mouse kidney, respectively....

The separation of multicomponent mixtures by batch distillation generally requires the sequential processing of several splits in one column. The sequencing of the splits and the choice of the column configuration, e.g. regular or inverse column, has a substantial impact on the economic potential of the process. Beside these structural design decisions the profitability of the process is furthe...

We derive asymptotic expressions for the average distance distributions in ensembles of irregular low-density paritycheck (LDPC) codes. The ensembles are defined by matrices with given profiles of column and row sums.

Abstract Based on the solution of mathematical description static mode operation in distillation column, concentration and temperature profiles along height column were obtained, positions control plates determined by calculating their gradients. The sequence solving material balance equations is under assumption ideal mixing liquid plate dynamic method piecewise linear approximation. A reflux ...

The Measurement Of Pollution In The Troposphere (MOPITT) instrument, which will be launched on the Terra spacecraft, is designed to measure the tropospheric CO and CH4 at a nadir-viewing geometry. The measurements are taken at 4.7μm in the thermal region, and 2.3 and 2.2 μm in the solar region for CO mixing ratio retrieval, CO total column amount and CH4 column amount retrieval, respectively. T...

-A comparison of the elution profiles of 18 aminoacyl-tRNA's from Novikoff hepatoma with those from normal liver on a methylated albuminkieselguhr column revealed the occurrence of new species of tRNA for histidine, tyrosine, and asparagine in the hepatoma. In addition, the hepatoma tRNA's for arginine, isoleucine, lysine, methionine, serine, alanine, and tryptophan eluted at a higher salt conc...

In this study, Simpson et al. analyze the spatial and temporal evolution of BrO column densities in the lower troposphere and their vertical profiles as well as the aerosol optical depths and extinction profiles retrieved from three MAX-DOAS instruments deployed at and around Barrow (Utqiagvik) from early March to mid April 2012 during the BROMEX campaign. The analysis is complemented by the 25...

[1] Seawater dissolved iron isotope ratios (dFe) have been measured in the North Atlantic near Bermuda. In a full-depth profile, seawater dissolved dFe is isotopically heavy compared to crustal values throughout the water column (dFeIRMM-014 = +0.30‰ to +0.71‰). Iron isotope ratios are relatively homogenous in the upper water column (between +0.30‰ to +0.45‰ above 1500 m), and dFe increases bel...

The calculation and use of molecular hydrogen optical depth templates to quickly identify and model molecular hydrogen absorption features longward of the Lyman edge at 912 Å are described. Such features are commonly encountered in spectra obtained by the Far Ultraviolet Spectroscopic Explorer and also in spectra obtained by the Space Telescope Imaging Spectrograph, albeit less commonly. Indivi...