An Analysis into the Factors Affecting Online Customers’ Satisfaction: A Developing Country Perspective

This article investigates the factors that affect online customers satisfaction from the perspective of Bangladesh The study is a descriptive type of research Data have been collected from 201 respondents who make online purchasing using a structured survey questionnaire For analyzing data frequency tables factor analysis and multiple regressions have been used The findings from factor analysis reveal that information availability convenience ease of use attractive website design and customization of product or service affect online customers satisfaction mostly The study from multiple regression analysis reveals that there is a high degree of positive correlation between dependent variable and independent variables The findings from multiple regression analysis reveal that product quality delivery quality after sales service and fair price are highly significant factors that affect online customers satisfaction in Bangladesh The results of this research is suitable for the online product sellers or online service providers as they can take ideas about which factors they need to take into consideration with greater importance and caution for online customers satisfaction in a developing country perspective like Banglades

Single-file diffusion and kinetics of template assisted assembly of colloids

We report computer simulation studies of the kinetics of ordering of a two dimensional system of particles on a template with a one dimensional periodic pattern. In equilibrium one obtains a re-entrant liquid-solid-liquid phase transition as the strength of the substrate potential is varied. We show that domains of crystalline order grow as $\sim t^{1/z}$, with $z \sim 4$ with a possible cross-over to $z \sim 2$ at late times. We argue that the $t^{1/4}$ law originates from {\em single-file} motion and annihilation of defect pairs of opposite topological charge along channels created by the template.Comment: 4 pages pdflatex 4 pdf figure

Deciphering Faint Gyrosynchrotron Emission from Coronal Mass Ejection using Spectro-polarimetric Radio Imaging

Measurements of the plasma parameters of coronal mass ejections (CMEs), particularly the magnetic field and non-thermal electron population entrained in the CME plasma, are crucial to understand their propagation, evolution, and geo-effectiveness. Spectral modeling of gyrosynchrotron (GS) emission from CME plasma has been regarded as one of the most promising remote sensing technique for estimating spatially resolved CME plasma parameters. Imaging the very low flux density CME GS emission in close proximity to the Sun with orders of magnitude higher flux density, however, has proven to be rather challenging. This challenge has only recently been met using the high dynamic range imaging capability of the Murchison Widefield Array (MWA). Although routine detection of GS is now within reach, the challenge has shifted to constraining the large number of free parameters in GS models, a few of which are degenerate, using the limited number of spectral points at which the observations are typically available. These degeneracies can be broken using polarimetric imaging. For the first time, we demonstrate this using our recently developed capability of high fidelity polarimetric imaging on the data from the MWA. We show that spectro-polarimetric imaging, even when only sensitive upper limits on circularly polarization flux density are available, is not only able to break the degeneracies, but also yields tighter constraints on the plasma parameters of key interest than possible with total intensity spectroscopic imaging alone.Comment: Accepted for Publication at the Astrophysical Journal (23 pages, 15 figures, 3 tables