Browsing by Issue Date, starting with "2023-12-27"
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- Environmental Factors Affecting the Efficiency of Water Reservoir Restoration Using Microbiological BiotechnologyPublication . Mazur, Robert; Jakubiak, Mateusz; Santos, LuisAquatic ecosystems are often subject to degradation due to various environmental stressors. The accumulation of an organic sediment layer causes shallowing, algal blooms, and hypertrophy in water reservoirs. The processes of overgrowth and shallowing lead to a reduction in the ecosystem services provided by the reservoir as well as potentially causing the disappearance of the water body. To address these challenges and restore the ecological balance of water reservoirs, effective and sustainable revitalisation methods are essential. In recent years, biotechnological approaches, particularly utilizing microbiological interventions, have emerged as promising strategies for water reservoir revitalization. Microorganisms, with their remarkable ability to degrade pollutants and enhance nutrient cycling, offer great potential in remediating environmental issues in a natural and eco-friendly manner. This article presents the results of a study of 33 Polish reservoirs subjected to reclamation with microbial biopreparations from 2014 to 2023. The results of changes in bottom sediment reduction, water transparency, dissolved oxygen concentration, and water turbidity are presented. Reduction in morphological changes in the fraction of soft organic sediments, an improvement in the oxygen profile of the bottom and surface water layers, and an increase in water transparency were observed after reclamation with the use of biopreparations.
- The Impact of Service Quality on Customer Satisfaction: The Mediating Effect of Perceived Price in Thailand Small Medium EnterprisesPublication . Chmaitilly, ArwaThis study investigates the impact of service quality on customer satisfaction, with a special focus on the mediating role of perceived price in the context of Thailand's Small and Medium Enterprises (SMEs). In an era where service quality has become a pivotal factor in differentiating businesses, particularly in the SME sector, understanding its influence on customer satisfaction is crucial. The study also explores how the perception of price plays a mediating role in this relationship, a factor that is particularly relevant in the cost-sensitive market of Thailand. A quantitative research methodology was employed, utilizing a structured questionnaire to collect data from a sample of 324 respondents, comprising customers of various SMEs in Thailand. The questionnaire was designed to measure perceptions of service quality, customer satisfaction, and the perceived price. Statistical analyses, including regression analysis and mediation analysis, were conducted to examine the relationships between these variables. The results of the study are expected to provide insightful implications for SMEs in Thailand, demonstrating how service quality directly influences customer satisfaction and how this relationship is further shaped by the customers' perception of price. This research not only contributes to the academic understanding of these dynamics but also offers practical guidance for SMEs in optimizing their service delivery and pricing strategies to enhance customer satisfaction.