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Characteristics and community perception on mitigation of Human-Tapanuli Orangutans conflict around Dolok Sipirok Natural Reserve, South Tapanuli 2

Characteristics and community perception on mitigation of Hu...

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2nd International Conference on Natural Resources and technology, ICONART 2020

作者： Kuswanda, W. Harahap, R.H. Alikodra, H.S. Sibarani, R. Post-Graduate in Program of Environmental and Natural Resources Management Universitas Sumatera Utara Medan Indonesia Faculty of Social and Political Science University of Sumatera Utara Medan Indonesia Faculty of Forestry Bogor Agricultural University Bogor Indonesia Faculty of Cultural Science University of Sumatera Utara Medan Indonesia Environmental and Forestry Research and Development Institute of Aek Nauli Simalungun Indonesia

The frequency of human-tapanuli orangutan (Pongo tapanuliensis) conflict has been increased with the widespread on degradation and fragmentation at Batangtoru Forest, South Tapanuli Regency. Orangutans often come on community lands to look for food, especially while the durian fruit season. This study aims to obtain information on socio-economic characteristics and public perception index to mitigate on human-tapanuli orangutan conflict around the Dolok Sipirok Nature Reserve, South Tapanuli Regency. Data was collected using a questionnaire distribution, interviews and descriptive observations, starting from October 2019 to January 2020. Respondents were selected by purposively sampling method, i.e. people had met and interacted with orangutans as many as 61 respondents from three villages. Data analyzed using frequency tables, likers scale and spearman rank correlation. The results showed that the community is Muslim majority, productive age, education below senior high school, farmers and income below IDR. 4,000,000. The public perception has declared orangutans as animals that consume community plants. They will drive away the orangutans found in processed land. The perception of conflict mitigation has strongly agreed with the program that must be done including providing compensation for losses, increasing patrol programs, developing local wisdom and building corridors in state forests. The characteristics were a significant (a © Published under licence by IOP Publishing Ltd.

关键词： Digital storage

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Growth of Wafer-Scale Single-Crystal 2D Semiconducting Transition Metal Dichalcogenide Monolayers

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Advanced science 2024年第11期11卷 e2307839页

作者： Singh, Jitendra Astarini, Nadiya Ayu Tsai, Meng-Lin Venkatesan, Manikandan Kuo, Chi-Ching Yang, Chan-Shan Yen, Hung-Wei Department of Materials Science and Engineering National Taiwan University of Science and Technology Taipei City106335 Taiwan Department of Physics Udit Narayan Post Graduate College Padrauna Uttar Pradesh Kushinagar274304 India Department of Molecular Science and Engineering Institute of Organic and Polymeric Materials National Taipei University of Technology Taipei City106344 Taiwan Institute and Undergraduate Program of Electro-Optical Engineering National Taiwan Normal University Taipei City11677 Taiwan Department of Materials Science and Engineering National Taiwan University Taipei City106319 Taiwan

Due to extraordinary electronic and optoelectronic properties, large-scale single-crystal two-dimensional (2D) semiconducting transition metal dichalcogenide (TMD) monolayers have gained significant interest in the development of profit-making cutting-edge nano and atomic-scale devices. To explore the remarkable properties of single-crystal 2D monolayers, many strategies are proposed to achieve ultra-thin functional devices. Despite substantial attempts, the controllable growth of high-quality single-crystal 2D monolayer still needs to be improved. The quality of the 2D monolayer strongly depends on the underlying substrates primarily responsible for the formation of grain boundaries during the growth process. To restrain the grain boundaries, the epitaxial growth process plays a crucial role and becomes ideal if an appropriate single crystal substrate is selected. Therefore, this perspective focuses on the latest advances in the growth of large-scale single-crystal 2D TMD monolayers in the light of enhancing their industrial applicability. In the end, recent progress and challenges of 2D TMD materials for various potential applications are highlighted. © 2023 The Authors. Advanced science published by Wiley-VCH GmbH.

关键词： Single crystals

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Effects of nanopores and sulfur doping on hierarchically bunched carbon fibers to protect lithium metal anode

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Carbon Energy 2021年第5期3卷 784-794页

作者： Ji In Jung Sunwoo Park Son Ha Se Youn Cho Hyoung-Joon Jin Young Soo Yun Program in Environmental and Polymer Engineering Inha UniversityIncheonSouth Korea KU-KIST Graduate School of Converging Science and Technology Korea UniversitySeoulSouth Korea Carbon Composite Materials Research Center Korea Institute of Science and TechnologyWanju-gunJeollabuk-doSouth Korea Department of Polymer Science and Engineering Inha UniversityIncheonSouth Korea Department of Integrative Energy Engineering Korea UniversitySeoulSouth Korea

Studies on three-dimensional structured carbon templates have focused on how to guide homogeneous lithium metal nucleation and growth for lithium metal anodes(LMAs).However,there is still insufficient evidence for a key factor to achieve their high electrochemical ***,the effects of nanopores and sulfur doping on carbon-based nanoporous host(CNH)electrode materials for LMAs were investigated using natural polymer-derived *** pore-filling behaviors of lithium metal in the nanopores of the CNH electrode materials were first observed by ex situ scanning electron microscopy analysis,where the protective lithium metal nucleation and growth process led to significantly high Coulombic efficiency(CE)of~99.4%and stable 600 *** addition,a comparison study of CNH and sulfurdoped CNH(S-CNH)electrodes,which differ only in the presence or absence of sulfur,revealed that sulfur doping can cause lower electrochemical series resistance,higher CE value,and better cycling stability in a wide range of current densities and number of ***,S-CNH-based LMAs showed high electrochemical performance in full-cell Li-S battery tests using a sulfur copolymer cathode,where a high energy density of 1370Wh kgelectrode−1 and an excellent power density of 4120Wkgelectrode−1 were obtained.

关键词： carbon template Li-S batteries lithium metal anode lithium metal batteries nanoporous carbon sulfur doping

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Using factor analysis and regression analysis to develop mathematic modeling to support online application implementation in transportation business 3

Using factor analysis and regression analysis to develop mat...

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3rd International Conference on Combinatorics, Graph Theory, and Network Topology, ICCGANT 2019

作者： Sardjono, W. Selviyanti, E. Perdana, W.G. Information Systems Management Department Bina Nusantara University Jakarta Indonesia Health Department PoliteknikNegeriJember Jember Jawa Timur Indonesia Post Graduate Program of Environmental Science School of Environmental Science Indonesia

Factor analysis is used to reduce data or summarize, from the old variable which is widely changed to a few new variables called factors, and still contains most of the information contained in the original variable. While regression analysis studies the relationship between one or more variables/independent variables (X) with one dependent variable (Y).The purpose of this paper is to describe how the factor analysis method can be used to provide solutions to operational problems such as problems with public transportation services with online applications, for this reason the research was conducted in identifying what factors influence the quality of online applications, and henceforth can be used in building mathematical models that can explain practical applications and predictions in the future. This research is explained in a quantitative descriptive form using exploratory factor analysis and regression analysis methods to process primary data and build models. The conclusion of this study is that there are 22 indicators and three factors that determine the quality of the application. The three factors produced are system and information factors, user impact factors, and promotion factors. These three factors can henceforth become a model in determining customer satisfaction as an end user of public transportation with an online application. © Published under licence by IOP Publishing Ltd.

关键词： Factor analysis

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Occurrence and fate of pharmaceutical pollutants in wastewater: Insights on ecotoxicity, health risk, and state–of–the-art removal

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Chemosphere 2024年 354卷 141678页

作者： Nguyen, Minh-Ky Lin, Chitsan Bui, Xuan-Thanh Rakib, Md. Refat Jahan Nguyen, Hoang-Lam Truong, Quoc-Minh Hoang, Hong-Giang Tran, Huu-Tuan Malafaia, Guilherme Idris, Abubakr M. Faculty of Environment and Natural Resources Nong Lam University Hamlet 6 Linh Trung Ward Thu Duc City Ho Chi Minh City700000 Viet Nam Ph.D. Program in Maritime Science and Technology National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan Department of Marine Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan Linh Trung Ward Thu Duc City Ho Chi Minh City700000 Viet Nam Ho Chi Minh City700000 Viet Nam Department of Environmental Science and Management North South University Dhaka Bashundhara1229 Bangladesh Department of Civil Engineering McGill University Montreal Canada Faculty of Management Science Thu Dau Mot University Binh Duong 75000 Viet Nam Faculty of Medicine Dong Nai Technology University Dong Nai Bien Hoa76100 Viet Nam Laboratory of Ecology and Environmental Management Science and Technology Advanced Institute Van Lang University Ho Chi Minh City700000 Viet Nam Faculty of Applied Technology School of Engineering and Technology Van Lang University Ho Chi Minh City700000 Viet Nam Post-Graduation Program in Ecology Conservation and Biodiversity Federal University of Uberlândia MG Uberlândia Brazil Post-Graduation Program in Biotechnology and Biodiversity Federal University of Goiás GO Goiânia Brazil Post-Graduation Program in Conservation of Cerrado Natural Resources Goiano Federal Institute GO Urutaí Brazil Department of Chemistry College of Science King Khalid University Abha62529 Saudi Arabia King Khalid University Abha62529 Saudi Arabia

Pharmaceutical active compound (PhAC) residues are considered an emerging micropollutant that enters the aquatic environment and causes harmful ecotoxicity. The significant sources of PhACs in the environment include the pharmaceutical industry, hospital streams, and agricultural wastes (animal husbandry). Recent investigations demonstrated that wastewater treatment plants (WWTPs) are an important source of PhACs discharging ecosystems. Several commonly reported that PhACs are detected in a range level from ng L−1 to μg L−1 concentration in WWTP effluents. These compounds can have acute and chronic adverse impacts on natural wildlife, including flora and fauna. The approaches for PhAC removals in WWTPs include bioremediation, adsorption (e.g., biochar, chitosan, and graphene), and advanced oxidation processes (AOPs). Overall, adsorption and AOPs can effectively remove PhACs from wastewater aided by oxidizing radicals. Heterogeneous photocatalysis has also proved to be a sustainable solution. Bioremediation approaches such as membrane bioreactors (MBRs), constructed wetlands (CWs), and microalgal-based systems were applied to minimize pharmaceutical pollution. Noteworthy, applying MBRs has illustrated high removal efficiencies of up to 99%, promising prospective future. However, WWTPs should be combined with advanced solutions, e.g., AOPs/photodegradation, microalgae–bacteria consortia, etc., to treat and minimize their accumulation. More effective and novel technologies (e.g., new generation bioremediation) for PhAC degradation must be investigated and specially designed for a low-cost and full-scale. Investigating green and eco-friendly PhACs with advantages, e.g., low persistence, no bioaccumulation, less or non-toxicity, and environmentally friendly, is also necessary. © 2024 Elsevier Ltd

关键词： Microalgae

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Evaluation model of knowledge management systems implementation using factor analysis and regresion analysis at the corporation 3

Evaluation model of knowledge management systems implementat...

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3rd International Conference on Combinatorics, Graph Theory, and Network Topology, ICCGANT 2019

作者： Sardjono, W. Selviyanti, E. Perdana, W.G. Information Systems Management Department Bina Nusantara University Jakarta Indonesia Health Department Politeknik Negeri Jember Jawa Timur Indonesia Post Graduate Program of Environmental Science School of Environmental Science Indonesia

The ability to manage knowledge is becoming increasingly important in today's knowledge economy, especially for companies. In order to obtain the effectiveness of the process of sharing knowledge within the company, it is necessary to evaluate the implementation of the knowledge management system that is currently running. The purpose of knowledge management is to change the paradigm of existing knowledge in employees into knowledge that can explicitly become corporate or organizational knowledge, so that the company can be used to improve employee performance because there are sufficiently managed references or knowledge or experience or expertise that has been collected and disseminated by previous *** data obtained were then analyzed using the factor analysis method, and the results that five factors can affect employee performance through knowledge management systems implementation, these are the factors: human resources ability, effective information, knowledge management systems, Quality for Users, accurate information transfer, and adequate IT Infrastructure. Furthermore, from these five factors by using linear regression analysis a mathematical model can be built which can be simulated to illustrate the results of the evaluation. © Published under licence by IOP Publishing Ltd.

关键词： Knowledge management

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Improve Understanding and Dissemination of Disaster Management and Climate Change by Using Knowledge Management Systems 3

Improve Understanding and Dissemination of Disaster Manageme...

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3rd International Conference on Eco Engineering Development, ICEED 2019

作者： Sardjono, Wahyu Harisno Perdana, Widhilaga Gia Information Systems Management Department BINUS Graduate Program - Master of Information Systems Management Bina Nusantara University Jakarta11480 Indonesia Post Graduate Program School of Environmental Science University of Indonesia Jakarta Indonesia

In Law Number 24 Year 2007 concerning Disaster Management, it is stated that the central government and regional governments are responsible for implementing disaster management, with an emphasis on preparedness and mitigation in dealing with natural disasters, as well as based on the provisions of article 1 of Presidential Regulation No. 46 of 2008 concerning the National Council on Climate Change that climate change is a change in average conditions of climate and / or climate diversity from one period of time to another as a result of human activity. However, the socialization of these two matters is not regulated in existing laws and regulations, so that the information dissemination plan and dissemination of the information must be carried out to the community itself. In line with developments in technology and information systems that have entered the era of media convergence, the acceleration of the process of spreading government programs can also be done by using this technology. The SECI method model (Socialization, Externalization, Combination, Internalization) was developed through implementation based on the 'Knowledge Management System Cycle' theory, so that a knowledge management system was formed. The results of research on community preparedness in the application of Knowledge Management Systems (KMS) for natural disaster preparedness and mitigation can be used to support the dissemination and dissemination of disaster management mitigation, global warming, and community-based climate change, including performance measurement of success. © 2020 Published under licence by IOP Publishing Ltd.

关键词： Knowledge management

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The application of the factor analysis method to determine the performance of IT implementation in companies based on the IT balanced scorecard measurement method 3

The application of the factor analysis method to determine t...

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3rd International Conference on Combinatorics, Graph Theory, and Network Topology, ICCGANT 2019

作者： Sardjono, W. Selviyanti, E. Perdana, W.G. Information Systems Management Department Bina Nusantara University Jakarta Indonesia Health Department Politeknik Negeri Jember Jawa Timur Indonesia Post Graduate Program of Environmental Science School of Environmental Science Indonesia

The purpose of this paper is to provide an overview of how to measure the performance of information technology implementation in a company by using factor analysis and regression analysis methods. From the resulting mathematical model, it can be used to make predictions and make strategies in the implementation of information technology in the future. The concept was developed from the IT Balanced Scorecard (IT BSC) theory which was developed by constructing each of the existing perspectives to obtain indicators which are then used as a research instrument in the form of a questionnaire. Data were collected by distributing questionnaires to 75 respondents, but only 70 questionnaires were complete and valid for this study. The data obtained were then analyzed using the factor analysis method. The analysis shows that there are four factors that affect the performance of IT implementation, namely: IT Competency, IT Service Capability, Business Continuity, and IT improvement. © Published under licence by IOP Publishing Ltd.

关键词： Factor analysis

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Application of geostatistical techniques to assess groundwater quality in the Lower Anayari catchment in Ghana

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HydroResearch 2022年 5卷 35-47页

作者： Abdul-Wahab, Dickson Gibrilla, Abass Adomako, Dickson Adotey, Dennis K. Ganyaglo, Samuel Laar, Cynthia Zakaria, Nafisatu Anornu, Geophrey Graduate School of Nuclear and Allied Sciences University of Ghana Legon-Accra Ghana Nuclear Chemistry and Environmental Research Centre National Nuclear Research Institute GAEC Box LG 80 Kwabenya-Accra Ghana Department of Water Resources and Sustainable Development School of Sustainable Development University of Environment and Sustainable Development Somanya Ghana Ghana Space Science and Technology Institute GAEC Box LG 80 Kwabenya-Accra Ghana Department of Civil Engineering Kwame Nkrumah University of Science and Technology (KNUST) Private mailbag University Post office Kumasi Ghana

In this study, integrated geostatistical techniques were applied to appraise the groundwater quality for various purposes in the Lower Anayari Catchment (LAC), Ghana. Physico-chemical and trace metals were analysed for 41 groundwater samples. Groundwater in LAC was generally found to be moderately hard to fresh and the information entropy-based groundwater quality index (IEGQI) ranked approximately 80.49% of the groundwater as excellent. Partial Least square regression analysis suggests that PO₄³⁻, As, Cd and Fe are important parameters for the prediction of IEGQI values. The irrigation water quality index (IWQI) suggest that 2.44% of groundwater in LAC is suitable for moderate permeability soils, 65.85% for moderate to high permeability soils and 31.71% for moderate to high salt tolerance plants. The LSI and RSI indices rate groundwater in LAC to be aggressive water with a high probability of being corrosive to metals, depending on the levels of dissolved oxygen present. © 2022 The Authors

关键词： Empirical Bayesian Kriging Ghana Groundwater Partial least square regression Water quality indices

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Solid waste management in the paper industry 5

Solid waste management in the paper industry

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5th International Conference on Energy, environmental and Information System, ICENIS 2020

作者： Devichi Wibowo, Isabella Purwanto, P. Suherman, S. Master Program of Environmental Science Post-Graduate Studies Universitas Diponegoro Semarang Indonesia Department of Chemical Engineering Faculty of Engineering Universitas Diponegoro Semarang Indonesia

The industry developed rapidly since the Industrial Revolution in the 18th century. The side effect of industrial development was a large amount of non-hazardous waste and hazardous waste. All of this waste must be managed properly so that environmental sustainability is maintained and does not cause harm or problems to the community. A review will be conducted from various research journals in various countries and the types of waste also vary, namely plastic, pulp and paper industry waste, and other solid waste. A comparison of solid waste management will be carried on to reduce the generation of waste in the environment. © The Authors, published by EDP sciences, 2020.

关键词： Solid wastes

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