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E-tourism application development to support integrated and disaster-safe tourism villages in Kerambitan District, Tabanan

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AIP Conference Proceedings 2024年第1期2961卷

作者： I. GD Yudha Partama I. Dewa Gede Agung Pandawana Dewa Gede Agung Gana Kumara Regional Planning and Environmental Management Study Program Universitas Mahasaraswati Denpasar Denpasar Indonesia Informatics Engineering Study Program Fcaulty of Engineering Universitas Mahasaraswati Denpasar Denpasar Indonesia English Language Education Study Program Faculty of Teacher Training and Education Universitas Mahasaraswati Denpasar Denpasar Indonesia

Kerambitan District is one of the pioneers of tourism that has contributed to raising the name of Bali in the international community. However, so far the planning and implementation of tourism activities have not accommodated the integrated tourism aspects and disaster-safe tourism services. In fact, most tourist destinations in Kerambitan are dominated by natural tourism with hilly contours, which are included in areas prone to extreme weather disasters and areas prone to flooding and landslides during high-intensity rainfall. This study aims to build an early warning system based on digital application, to help create a disaster-safe tourist village. The Waterfall Method is used in development process. This application is Android-based, and integrating the Google Firebase Cloud Messaging feature for sending messages and notifications to various Android devices. The results of this study are an SIGADis E-tourism application, which in addition to display and promote tourist location information in Kerambitan, also has safe and disaster-responsive features including the early warning system feature through messages and notifications, information list of disasters that have occurred, disaster’s distribution map and the weather information each tourist location that combined with Balinese lunar calendar (Sasih). Based on the application testing results using BlackBox Testing and Beta Testing methods, the application has been running according to the desired function, able to provide information about tourism village in Kerambitam, also provide disaster messages and notifications to various android devices, and able to display disaster distribution maps and suggestions related to the disasters when bad weather or events occur.

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Performance evaluation of authorized service center: A case study of an SME company

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AIP Conference Proceedings 2023年第1期2646卷

作者： S. S. Islam M. W. M. Aljabar Industrial Engineering Program Study Sampoerna University South Jakarta Indonesia Industrial Engineering Program Study Borobudur University East Jakarta Indonesia

The service center is one of the important activities in the After Sales Company. Most of the companies make a partnership with the Authorized Service Centers (ASC) to support their business. Performance evaluation to the ASC is the important activities to ensure that the company can satisfy their customer. This study aims to assess the ASCs that can meet Service Level Agreement (SLA) factor, which relate to the readiness, capability and skills from the ASCs. This study applies qualitative and qualitative method. The analysis of the problem indicators that affect the percentage of SLA use the Fault Tree Analysis method. The result finds that the problem of the Out SLA category is the availability of the spare parts, the estimated waiting time is 86400 minutes or equivalent to 60 days.

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Multidimensional factors of community behavioral responses and implications to landfill closures: A case study in Yogyakarta, Indonesia

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Environmental Advances 2024年 16卷

作者： Suhardono, Sapta Fitria, Laili Suryawan, I Wayan Koko Ulhasanah, Nova Sari, Mega Mutiara Septiariva, Iva Yenis Prayogo, Wisnu Environmental Sciences Study Program Faculty of Mathematics and Natural Sciences Universitas Sebelas Maret Surakarta 57126 Indonesia Department of Environmental Engineering Universitas Tanjungpura Pontianak 78124 Indonesia Department of Environmental Engineering Faculty of Infrastructure Planning Universitas Pertamina Jakarta 12220 Indonesia Department of Natural Resources and Environmental Studies College of Environmental Studies and Oceanography National Dong Hwa University Taiwan Hualien 97401 Taiwan Civil Engineering Study Program Faculty of Engineering Universitas Sebelas Maret Surakarta 57126 Indonesia Department of Building Engineering Education Universitas Negeri Medan Medan Indonesia

This study examines how a community in Yogyakarta, Indonesia reacts to the closing of local landfills. It identifies different groups within the community, such as those primarily concerned with health and aesthetics, those exhibiting proactive behaviors, and those acutely aware of the broader impacts. These groups show varying responses to the closures, from adjusting personal habits to calling for policy changes. The findings suggest a need for policies that are flexible and considerate of the community's diverse priorities and behaviors. In conclusion, landfill closures have complex effects on communities that require a thoughtful analysis. The study shows that personal choices and proactive behaviors are crucial in encouraging community involvement in waste management. However, there's a hesitancy to pay more for such services, indicating a gap in community responsibility and environmental stewardship. The research advocates for sustainable waste management solutions that are aligned with the community's values and behaviors, urging policymakers to design inclusive and sustainable systems for waste management that support the long-term well-being of both the community and the environment. © 2024

关键词： Behavioral responses Community perceptions Indonesia Landfill closures Yogyakarta

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Landslide investigation through surface geological study and photogrammetry methods in Poi area, Sigi Regency Central Sulawesi

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AIP Conference Proceedings 2023年第1期2719卷

作者： Asrafil Asrafil Muhammad Fuad Afdal Mauludin Kurniawan Geological Engineering Study Program Tadulako University Palu 94118 Indonesia Geophysical Engineering Study Program Tadulako University Palu 94118 Indonesia

The earthquake that occurred on September 28, 2018 with a magnitude of 7.4 Mw at Central Sulawesi, caused damage to the extraordinary areas of Donggala, Palu, Sigi, and surrounding areas. The shock caused by the earthquake-triggered landslide in Poi Village, South Dolo District, Sigi Regency, with large dimensions on the hillsides and resulted in the formation of piles of material and closed the water flow to the west of the Poi Village settlement (Geological Agency 2018). Investigations through surface geological studies and photogrammetry were carried out to identify surface geological conditions and potential landslide susceptibility in the study area. Based on the results of the geological review and analysis, it is known that the geology of the research area is composed of 3 rock units, namely the granite intrusion unit, the conglomerate unit, and the alluvial deposit unit. The photogrammetry results show that the structural activity acting on the study area is proven by the presence of two shear faults with opposite displacement directions. The landslide control factor in the study area lies in the structural conditions, slope, and geohydrological conditions as well as the level of weathering that occurs in rocks in the study area.

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Thermal comfort relation to air temperature data characteristics in Ternate

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AIP Conference Proceedings 2024年第1期2838卷

作者： Muhammad Tayeb Mustamin Andi Alauddin Sayyid Quraisy Architecture Study Program Faculty of Engineering Universitas Khairun Ternate North Maluku 97791 Indonesia Architecture Study Program Faculty of Engineering Universitas Tompotika Banggai Central Sulawesi 94711 Indonesia

The amount of heat transferred within a building defines its level of comfort. The data’s conformance to the SNI (Indonesian National Standard) thermal comfort zone can be utilized as a reference for the outside air temperature data’s features. This study aims to provide an overview of the idiosyncrasies associated with data on outside air temperature in the Ternate region. Daily, weekly, and monthly intervals of 30 minutes are used to group the data. Additionally, the mean value, standard deviation, data volume, maximum value, and minimum air temperature value are tabulated. The graphic illustration comprises a polynomial equation line generated from the average value and the data correlation coefficient value of the resulting equation (R). The data illustrate the characteristics of air temperature in 2021, with April having the highest maximum and January having the lowest minimum.

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An alternative model of retaining walls on sandy area to prevent landslides 4

An alternative model of retaining walls on sandy area to pre...

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4th International Conference on Earthquake engineering and Disaster Mitigation, ICEEDM 2019

作者： Mazni, Deni Irda Doctoral Program Dept. of Civil Eng. Faculty of Engineering Andalas University Indonesia Civil Engineering Study Program Universitas Dharma Andalas Indonesia

Landslide is one of the potential disasters that can take life and material. A way to reduce disaster risk in slopes is to improve slope stability. A challenge in improving slope stability is how to make soil retaining walls that are simple, quickly built, and workable in the process. This research focuses on laboratory tests of gravity, segmental, and pre-cast retaining walls in sands. The tested models are slopes with different segmental, pre-cast, gravity walls made of un-reinforced concrete for static loads. The slope failure patterns were observed with their load variations. There are two wall models segmental. Each segmental wall observed a collapse pattern that occurred behind the wall. Static loading is carried out step by step until collapse occurs in the segmental wall. Observations and defects are carried out during the load process until the segmental wall collapses. This research shows that segmental pre-cast retaining walls with specific models and sizes can be selected to support certainly given loads to prevent slope failure. © 2020 The Authors, published by EDP Sciences.

关键词： Landslides

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Human activities and forest fires in Indonesia: An analysis of the Bromo incident and implications for conservation tourism

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Trees, Forests and People 2024年 15卷

作者： Suhardono, Sapta Fitria, Laili Suryawan, I Wayan Koko Septiariva, Iva Yenis Mulyana, Rachmat Sari, Mega Mutiara Ulhasanah, Nova Prayogo, Wisnu Environmental Sciences Study Program Faculty of Mathematics and Natural Sciences Universitas Sebelas Maret Surakarta 57126 Indonesia Department of Environmental Engineering Universitas Tanjungpura Pontianak 78124 Indonesia Department of Environmental Engineering Faculty of Infrastructure Planning Universitas Pertamina Jakarta 12220 Indonesia Department of Natural Resources and Environmental Studies College of Environmental Studies and Oceanography National Dong Hwa University Hualien 97401 Taiwan Civil Engineering Study Program Faculty of Engineering Universitas Sebelas Maret Surakarta 57126 Indonesia Department of Building Engineering Education Universitas Negeri Medan Medan 20221 Indonesia

This study delves into the Bromo magnitude of the fire incident in Indonesia, a notable tourism destination, uncovering significant gaps in knowledge regarding tourist-induced forest fires. We comprehensively analyze the incident's environmental, economic, social, and tourism impacts. Environmentally, the fire caused severe damage to the region's ecosystems, upsetting ecological balances and diminishing air quality. This has far-reaching effects on flora, fauna, and the sustainability of natural resources. Forest fires release a significant amount of pollutants into the air, including carbon dioxide, carbon monoxide, particulate matter, and other harmful compounds. These pollutants can significantly degrade air quality, leading to health issues for humans and animals. The forest fire in the Bromo region of Indonesia had a profound impact, both economically and environmentally. The closure of the Bromo Tengger Semeru National Park drastically reduced tourism, leading to an 80 % drop in hotel occupancy and severe losses for local businesses like jeep rentals, eateries, and souvenir shops. Economically, this resulted in a significant decrease in Non-Tax State Revenue. Environmentally, the fire destroyed over 50 hectares of land, severely damaging the national park's ecosystems and affecting biodiversity. The smoke and heat from the fire also led to poor air quality and potential health risks for local residents, as well as adverse effects on nearby agriculture, increasing stress and anxiety in the community. The study emphasizes the urgent need for stringent regulations, effective community engagement, and educational initiatives in forest conservation areas, particularly those attracting tourists. Our findings offer critical insights for policymakers, local authorities, and stakeholders in the tourism sector, highlighting the necessity of balancing environmental protection with the growth of the global travel industry. © 2024 The Author(s)

关键词： Bromo incident Community engagement Conservation tourism Ecological consequences Environmental protection Forest fires Human-induced fires

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Real-time data acquisition system with wireless sensor network on damped harmonic motion

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Physics Education 2021年第5期56卷 053004-053004页

作者： Saputra, H. Suhandi, A. Setiawan, A. Permanasari, A. Putra, R.A. Natural Science Education Study Program Universitas Pendidikan Indonesia Bandung Indonesia Physics Education Study Program Universitas Samudra Aceh Indonesia Physics Study Program Faculty of Engineering Universitas Samudra Aceh Indonesia

We suggest a simple, practical device with a wireless sensor network system that can be used to record and display data from a spring oscillation system in real-time on a website. The HC-SR04 ultrasonic sensor was utilized to detect changes in load position in the damped spring oscillation system, and the Node-MCU ESP266 was used to transmit data from sensor readings to the server over the internet network. The damping factor, damping coefficient, and spring damping frequency could be utilized to calculate the exponential function graph fitting outcome. © 2021 IOP Publishing Ltd.

关键词： damped harmonic real-time data acquisition ultrasonic sensor wireless sensor network

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Anti-Termite Activity of Azadirachta excelsa Seed Kernel and Its Isolated Compound against Coptotermes curvignathus

Journal of the Korean Wood Science and Technology

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Journal of the Korean Wood Science and Technology 2023年第3期51卷 157-172页

作者： Adfa, Morina Wiradimafan, Khafit Pratama, Ricky Febri Sanjaya, Angga Triawan, Deni Agus Yudha S., Salprima Ninomiya, Masayuki Rafi, Mohamad Koketsu, Mamoru Department of Chemistry Faculty of Mathematics and Natural Sciences University of Bengkulu Bengkulu38371 Indonesia Research Center of Sumatera Natural Product and Functional Materials University of Bengkulu Bengkulu38371 Indonesia Master of Chemistry Study Program Faculty of Mathematics and Natural Sciences University of Bengkulu Bengkulu38371 Indonesia Department of Chemistry and Biomolecular Science Faculty of Engineering Gifu University Gifu5011193 Japan Department of Chemistry Faculty of Mathematics and Natural Sciences IPB University Bogor16128 Indonesia Tropical Biopharmaca Research Center-Institute of Research and Community Services IPB University Bogor16128 Indonesia

Azadirachta excelsa, is a plant belonging to the same genus as Indian neem (Azadirachta indica), and its use as a pesticide is reported by few studies. Despite being a different species, it is expected to have the same biopesticide potential as A. indica. Therefore, this study aims to investigate the anti-termite activity of n-hexane and methanol extracts of A. excelsa seed kernel at various concentrations against Coptotermes curvignathus. The methanol extract demonstrated greater termicidal activity than n-hexane at doses test of 2%, 4%, and 8%. It also showed 100% termite mortality on the third day of administering the 8% dose. According to the gas chromatography with mass spectrometry data, the putative main components of the n-hexane extract were hexadecanoic acid, ethyl ester (18.99%), 9,12-octadecadienoic acid (Z,Z)-(16.31%), and 9-octadecenal (16.23%). In contrast, the principal constituents of methanol extract were patchouli alcohol (28.1%), delta-guaiene (15.15%), and alpha-guaiene (11.93%). Furthermore, limonoids profiling of A. excelsa methanol extract was determined using Ultrahigh-performance liquid chromatography coupled with quadrupole-Orbitrap high-resolution mass spectrometry. The number of limonoids identified tentatively was fifteen, such as 6-deacetylnimbin, nimbolidin C, nimbolide, 6-acetylnimbandiol, 6-deacetyl-nimbinene, salannol, 28-deoxonimbolide, gedunin, nimbandiol, epoxyazadiradione, azadirone, 2',3'-dihydrosalannin, marrangin, nimbocinol, and azadirachtin. They were the same as those reported in the seed and leaves of A. indica, but its largest component in A. excelsa was 6-deacetylnimbin. As a result, the presence of these compounds may be responsible for the anti-termite activity of A. excelsa seed kernel extract. Additionally, column chromatography of methanol extract yielded 6-deacetylnimbin, which was found to be antifeedant and termiticide against C. curvignathus. © 2023 The Korean Society of Wood Science & Technology.

关键词： Mass spectrometry

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Developing an android-based performance assessment instrument for hot Stone SPA course

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AIP Conference Proceedings 2024年第1期3145卷

作者： Mausa Agrevinna Ma’Rifani Fitri Arisa Elok Novita Cosmetology Study Program Faculty of Engineering Universitas Negeri Yogyakarta Yogyakarta Indonesia

This study aimed to 1) investigate the concepts of an android-based instrument for assessing performance in Hot Stone Spa course and 2) assess the feasibility of the instrument. This study was conducted based on the ADDIE design (Analysis, Design, Development, Implementation, and Evaluation). The feasibility test was carried out by means of questionnaires distributed to experts at educational evaluation, teaching materials, and media. Moreover, another questionnaire was filled out by lecturers and students (users). The subject of this study was Cosmetology students taking the Asian SPA course. The results of this study show that the product feasibility percentage is 88.49, so it is assumed that an android-based assessment instrument is highly feasible to use.

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