نتایج جستجو برای: spinning cone column
تعداد نتایج: 125364 فیلتر نتایج به سال:
the used activated carbon was derived from pine-cone and was used for the removal of acid black 1(ab1) and acid blue 113(ab113) dyes. a batch sorption study was carried out in order to obtain optimum isotherm model. the study showed the best fit of the adsorption isotherm data was obtained using the langmuir model for both dyes. the monolayer maximum saturation capacities of ab1 and ab113 dyes ...
High-angle annular dark-field scanning electron microscopy (HAADF-STEM), which provides Z-contrast images in atomic resolution, utilizes a conically converged electron fine probe [1]. In a zone-axis incidence, the electron beam predominantly channels through a certain atomic column (or deep potential) site rather than interstitial (or shallow potential) sites. As a result, HAADF-STEM is sensiti...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
We present high-resolution soft-X-ray spectra of the prototypical Seyfert 2 galaxy, NGC 1068, taken with the XMM-Newton Reflection Grating Spectrometer (RGS) and the Chandra Low Energy Transmission Grating Spectrometer (LETGS). Its rich emission-line spectrum is dominated by recombination in a warm plasma (bright, narrow radiative recombination continua provide the " smoking gun "), which is ph...
Canadian Family Physician focuses on a special theme in this issue: poverty and human development. This month, we share this theme with more than 200 journals around the world. Two College members have seen our world as a spinning blue, green, and white orb. As astronauts, Dr Robert Thirsk and Dr Dave Williams have experienced this particular view of our home planet. Although that type of world...
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