Looks at the problems relating to iodine deficiency disorders and examines in depth the various aspects of iodine, considering its history, properties and sources. Notes the…
Abstract
Looks at the problems relating to iodine deficiency disorders and examines in depth the various aspects of iodine, considering its history, properties and sources. Notes the importance of iodine in nutrition and health and focuses on goitre as the most familiar iodine disorder. Considers various methods of assessment and detection of iodine deficiency and outlines geographical areas where iodine deficiency disorders are most prevalent.
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Emad ElDin El-Katori and Nady Hashem
The purpose of this paper is to minimize corrosion-related pollution in the environment. From the lemongrass extract (LGE), the authors selected one of the best green inhibitors.
Abstract
Purpose
The purpose of this paper is to minimize corrosion-related pollution in the environment. From the lemongrass extract (LGE), the authors selected one of the best green inhibitors.
Design/methodology/approach
The corrosion and inhibition of mild steel in traditional acidification solutions were estimated by electrochemical measurements. The corrosion appearance was observed with scanning electron microscopy, atomic force microscopy micrographs and attenuated total reflectance infrared spectroscopy spectrum. The correlation was formed between the gained inhibition efficiency (IE)% from electrochemical measurements and certain quantum chemical parameters.
Findings
The results displayed that the IE was up to 90% when the LGE concentration was 300 ppm. The results confirmed that the theoretical experiments are very similar to the experimental observations.
Originality/value
For the first time, LGE was used as a cheap and safe corrosion inhibitor for mild steel corrosion in the acidification process. The mechanism of mild steel corrosion and anti-corrosion in acid solution has been suggested.
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Raksmey Sann, Pakkapol Luecha and Rawisara Rueangchaithanakun
This study investigates how virtual reality (VR) travel attributes (e.g. sense and quality of information) influence spectators' flow experience, how emotion and past experience…
Abstract
Purpose
This study investigates how virtual reality (VR) travel attributes (e.g. sense and quality of information) influence spectators' flow experience, how emotion and past experience affect enjoyment and examines the impact of flow experience and enjoyment on satisfaction and booking or visiting intention.
Design/methodology/approach
The VR tour stimuli were fabricated using scenic views from the National Aquarium in the USA. Participants were equipped with Matterport VR and audio headsets and started their virtual travel. Once the participants completed their VR tours, they were asked to complete the questionnaire. Using the stimulus-organism-response theory, 303 valid responses were analyzed using partial least square structural equation modeling (PLS-SEM).
Findings
The results showed that the sense and quality of information in VR travel positively and significantly impacted the flow experience. Moreover, emotions and past experiences positively and significantly influenced the enjoyment of VR travel. Similarly, flow experience and enjoyment positively and significantly affect satisfaction. However, satisfaction with VR-related tourism experiences negatively affects users' bookings and visiting intentions.
Practical implications
This study concludes that, from Thai tourists' perspectives, virtual travel should be used as a solution only during the pandemic because, in the long term it can cause a loss to the business chain in the tourism industry.
Originality/value
To the best of the authors' knowledge, no prior research has examined the influence of past experiences and emotions on satisfaction with VR travel.