Articles

Systematic Literature Review on the Effectiveness of LDPE and PET Waste in Piezoelectric Paving with a DC Coupling System

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This paper analyzes the effectiveness of utilizing waste materials consisting of LDPE and PET compounds for pavement, integrating piezoelectric technology with a DC coupling control system. This pavement may function as a sustainable renewable energy solution for the global energy crisis. Paving systems including these materials can effectively convert mechanical stress into electrical energy, hence improving sustainable urban energy infrastructure. This study aims to evaluate a Systematic Literature Review (SLR) of 100 relevant international and national journal publications. The SLR method systematically identifies, assesses, and synthesizes current research, ensuring the relevance and contextual specificity of the chosen studies. The author provides a realistic framework for testing, emphasizing the significance of quality control to ensure accurate results.

The Study of Teenage Stress of Pet Owners and Non-Pet Owners during the COVID-19 Pandemic

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In December 2019, the new coronavirus outbreak forced many countries to quarantine in their own homes. It can cause a lot of stress. For example, the increasing number of infected people makes us anxious. This leads people to find ways to relieve stress. In this research, we analyzed whether raising animals could really help reduce stress. We collected information from pet owners and non-pet owners who are between 13 and 19 years old using an online questionnaire. Survey samples were selected through a volunteer sampling method with a total of 120 responses. We analyzed data using the Statistical Package for Social Science (SPSS). The results of the analysis showed different outcomes for stress in the teenage pet owners and non-pet owners during the COVID-19 pandemic. However, there was no different outcome in the aspect of attitudes toward pets between pet and non-pet owners. Our results revealed that the stress of non-pet owners was higher than the pet owners. Therefore, people who keep pets experience less stress from quarantine during the coronavirus outbreak than those who do not keep pets during quarantine. Our analysis revealed that the attitude toward pets of pet owners and the attitude toward pets of non-pet owners were very similar and still above the mean attitude toward pets of pet owners and non-pet owners are both at a good level.