Ryanair and Spain: Air connectivity and tourism from the perspective of complex networks by Tatiana Iñiguez, Marta Plumed, María Pilar Latorre Martínez

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Optimizing Cabbage Cultivation in Paddy-Converted Fields Using Discarded Coir Substrates and Controlled Irrigation by Xin Wang, Yongjae Lee, To Kang, Jongseok Park

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Co-effects of COVID-19 and Meteorology on PM2.5 Decrease in Ho Chi Minh City, Vietnam: A Comparison of 2016–2019 and 2020–2021 by Cong-Thanh Tran, Le My Thuan Nguyen, Tzong-Gang Wu, Chang-Fu Wu, To Thi Hien, Kuo-Liong Chien

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Adsorption and Recovery Studies of Cadmium and Lead Ions Using Biowaste Adsorbents from Aqueous Solution by Liang Feng, Enju Wang

Subjects: “…low cost biosorbent…”
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Utilization of a Novel Low-Cost Gibto (Lupinus Albus) Seed Peel Waste for the Removal of Malachite Green Dye: Equilibrium, Kinetic, and Thermodynamic Studies by Adugna Nigatu Alene, Gietu Yirga Abate, Adere Tarekegne Habte, Desiew Mekuanint Getahun

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Everyday-Carry Equipment Mapping: A Portable and Low-Cost Method for 3D Digital Documentation of Architectural Heritage by Integrated iPhone and Microdrone by Nan Zhang, Xijian Lan

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TiO2 Photocatalyst Nanoparticle Separation: Flocculation in Different Matrices and Use of Powdered Activated Carbon as a Precoat in Low-Cost Fabric Filtration by Carlos F. Liriano-Jorge, Ugur Sohmen, Altan Özkan, Holger Gulyas, Ralf Otterpohl

“…As an alternative to photocatalyst separation by sedimentation, precoat vacuum filtration with powdered activated carbon (PAC) over low-cost spunbond polypropylene fabrics was tested in the presence of two PAC types in aqueous NaCl and NaHCO3 solutions as well as in biologically treated greywater and in secondary municipal effluent. …”
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Analysis of Surface Level PM2.5 Measured by Low-Cost Sensor and Satellite-Based Column Aerosol Optical Depth (AOD) over Kathmandu by Jeevan Regmi, Khem N. Poudyal, Amod Pokhrel, Nabin Malakar, Madhu Gyawali, Lekhendra Tripathee, Mukesh Rai, Srikanthan Ramachandran, Katrina Wilson, Rudra Aryal

“…Abstract A low-cost PurpleAir PA-II sensor was installed, in 2020 at the Institute of Engineering (IOE) Pulchowk Campus, TU located in Kathmandu valley, Nepal, to measure particulate matter with an aerodynamic diameter equal to or smaller than 2.5 µm (PM2.5). …”
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Laser powder bed fusion of Ti6Al4V using low-cost high efficiency 450 nm diode point melting by Alkim Aydin, Erhan Cetin, S. Can Erman, Kamran Mumtaz

“…DPM's laser source is fixed to a scanning gantry axis that traverses across the powder bed, creating a low-cost alternative to traditional LPBF (∼x10 lower laser hardware cost). …”
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The low-cost technical system of rural sustainable wood construction and its suitability based on the small-diameter round timber of fast-growing Northeast Larch by Ying Wu, Hongpeng Xu, Jianmei Wu, Yuncheng Ji

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A Systematic, Cross-Model Evaluation of Ensemble Light Scattering Sensors by Abhay Vidwans, Pratim Biswas

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Spatiotemporal Assessment of PM2.5 Exposure of a High-risk Occupational Group in a Southeast Asian Megacity by Jarl Tynan Collado, Jose Gabriel Abalos, Imee de los Reyes, Melliza T. Cruz, Gabrielle Frances Leung, Katrina Abenojar, Carlos Rosauro Manalo, Bernell Go, Christine L. Chan, Charlotte Kendra Gotangco Gonzales, James Bernard B. Simpas, Emma E. Porio, John Q. Wong, Shih-Chun Candice Lung, Maria Obiminda L. Cambaliza

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A Multi-Scale Convolutional Residual Time-Frequency Calibration Method for Low-Accuracy Air Pollution Data by Jiahao Liu, Fei Shi, Zhenhong Jia, Jiwei Qin

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MERLINO. Virtual Reality for Stimulation of Neuro-cognitive Processes by Mario Bisson, Shanti Andreana Alberti di Catenajo, Stefania Palmieri

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A preliminary evaluation of a fast, low-cost, and high-throughput nucleic acid extraction method for bacterial microbiota profiling in low-microbial biomass samples by Xiangning Bai, Simon Rayner, Linda Ellevog Skuggen, Kine Kragl Engseth, Pål Marius Bjørnstad, Marianne Dalland, Gregor D. Gilfillan, Magnar Bjørås, Andreas Matussek

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High-Resolution Image and Video CubeSat (HiREV): Development of Space Technology Test Platform Using a Low-Cost CubeSat Platform by Dong-Hyun Cho, Won-Sub Choi, Min-Ki Kim, Jin-Hyung Kim, Eunsup Sim, Hae-Dong Kim

“…The CubeSat system is a low-cost platform that has been widely applied to various space missions, from missions involving earth observation to deep space. …”
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The Swallowing Clinical Assessment Score in Parkinson’s Disease (SCAS-PD) Is a Valid and Low-Cost Tool for Evaluation of Dysphagia: A Gold-Standard Comparison Study by Larissa L. Branco, Sheila Trentin, Carla Helena Augustin Schwanke, Irenio Gomes, Fernanda Loureiro

“…The Swallowing Clinical Assessment Score in Parkinson’s Disease (SCAS-PD) is an alternative and low-cost tool for diagnosis of dysphagia, but had not been properly validated in comparison to the gold-standard method. …”
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Innovative bean sprouts basket (iBSB): A conceptual paper on a new dimension of low-cost bean sprout cultivation among agro-community by Yusuf Munifah Siti Amira, Takrim Aiman, Lazim Siti Saripa Rabiah Mat

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TiO2–ZnO functionalized low-cost ceramic membranes from coal fly ash for the removal of tetracycline from water under visible light by Lawrence Sawunyama, Opeyemi A. Oyewo, Seshibe S. Makgato, Mokgadi F. Bopape, Damian C. Onwudiwe

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Low-cost phone-based LiDAR scanning technology provides sub-centimeter accuracy when measuring the main dimensions of motor-manual tree felling cuts by Stelian Alexandru Borz, Andrea Rosario Proto

“…This study was setup to check to what extent proximal scanning by low-cost LiDAR platforms can provide accurate data to support the extraction and computation of volume loss by motor-manual tree felling. …”
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