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32 results on '"Said I"'

3. Review on the influences of atmospheric effects of commercial settings towards consumers' emotions, perceptions and behaviors.

Author

Ramlee, N., Said, I., Mohamad, W. S. N. W., Hassan, K., Hasan, R., Razak, Rafiza Abd, Abdullah, Mohd Mustafa Al Bakri, Rahim, Shayfull Zamree Abd, Tahir, Muhammad Faheem Mohd, Mortar, Nurul Aida Mohd, and Jamaludin, Liyana

Subjects
EMOTIONS, INFLUENCE
Abstract

In many environments, atmospheric effects have been extensively studied to assess human activities in enclosed buildings in response to environmental stimuli. The goal of this paper is to examine a review of 25 studies on atmospheric influences on consumers' emotions in the business environment over the past 20 years. The synthesis involves elements used as environmental stimuli that have been commonly used and the results of previous studies. In short, in atmospheric studies with stimuli such as spatial layout, color, scents, lighting and music are the most discussed variables influencing human emotions through emotion. [ABSTRACT FROM AUTHOR]

Published
2020
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9. Molecular Analysis on Retardation on Polyacrylamide in High Salinity and High Temperature Conditions.

Author

Amir, Z., Said, I. M., Jan, B. M., and Khalil, M.

Subjects
POLYACRYLAMIDE, ZETA potential, AMMONIUM ions, POLYMER colloids, POLYMER solutions, HIGH temperatures, SALINITY, IONIC bonds
Abstract

Salinity effect on retardation efficiency of ammonium chloride (NH4Cl) on the polyacrylamide (PAM) that influences the gelation time of PAM-based polymer gel is an interesting phenomenon. This paper presents a concise investigation of molecular interaction of PAM with NH4Cl in high salinity conditions. This study quantified the ionic bonding of carboxylate group of PAM with ammonium ion of NH4Cl. Zeta potential and hydrodynamic radius of the prepared polymer solutions were measured using zeta potential analyzer and dynamic light scattering (DLS) technology, respectively. High salinity is represented in high concentration of sodium chloride (NaCl). From the experimental results, it shows that without NaCl and NH4Cl, the whole absolute value number of the zeta potential of polyacrylamide seems to increase linearly, while the hydrodynamic radius shows a significant increase. In addition, zeta potential and hydrodynamic radius of PAM decreases with salinity. The absolute value of zeta potential reduces with the concentration of NH4Cl as retarder. On the other hand, the hydrodynamic radius tends to increase with NH4Cl retarder. It may be because of tighter bonding of NH4+ ions with carboxylate groups of polymer. The zeta potential and hydrodynamic radius are fairly affected by the exposure time of polymer to high temperature. Higher salinity reduces the effectiveness of polymer to stretch and it in turns decreases the zeta potential and hydrodynamic radius. [ABSTRACT FROM AUTHOR]

Published
2019
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