Connotation, research status, and development directions of clean coal geology in China by Yuegang TANG, Shaoqing WANG, Xiaoshuai WANG, Xin GUO, Yafeng WANG, Liping XUE, Harold H. Schobert

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Current problems of the patent tax system by N. Z. Zotikov

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A Design Procedure and Control Method for Improving Efficiency of a Family of Resonant Converters Over Wide Operating Conditions by Jasem Shahsevani, Reza Beiranvand

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Influence of A Novel Catalysis on The Pyrolysis Yields Obtained by Two Different Reactors by Mert Kılınçel, Ethem Toklu, Fikret Polat

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Cultivation of straw mushroom (Volvariella volvacea) on oil palm empty fruit bunch growth medium by Sugeng Triyono, Agus Haryanto, Mareli Telaumbanua, Jamalam Lumbanraja, Filip To

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A 3D-Printed Spherical Dual-Circular Polarized Luneburg Lens Antenna for Ku-Band by Qing Wang, Xiaohai Han, Pu Yu, Jian-Qiang Hou, Zhen-Ya Lei

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Hybrid energy harvesting enabled by a covalent organic framework membrane by Jiaming Yi, Zhuozhi Lai, Qing Guo, Zhiwei Xing, Qi Sun

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Thermal energy storage materials designed from recycled Tetra Pak waste and paraffin waxes with enhanced photothermal conversion efficiencies by Safna Nishad, Mabrouk Ouederni, Igor Krupa

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How to Design a Differential CMOS <italic>LC</italic> Oscillator by Asad A. Abidi, David Murphy

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Difference of SARS-CoV-2 infection and influence factors between people with and without HIV infection by Jianhui Yang, Esben Strodl, Dandan Zhang, Haibo Jiang, Kun Chu, Shiwen Tan, Zehao Ye, Hongbo Shi, Feng Tong, Weiqing Chen

Subjects: “…The long nucleic acid conversion time…”
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A hardware prototype of wideband high‐dynamic range analog‐to‐digital converter by Satish Mulleti, Eliya Reznitskiy, Shlomi Savariego, Moshe Namer, Nimrod Glazer, Yonina C. Eldar

Subjects: “…analog‐to‐digital conversion…”
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Disturbance Observer-Based Super-Twisting SMC for Variable Speed Wind Energy Conversion System Under Parametric Uncertainties by Ahmad Bala Alhassan, Muhammad Auwal Shehu, Vijayakumar Gali, Ton Duc do

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Temporal-spatial evolution and formation mechanism of energy consumption carbon footprint at county scale in the Yellow River Basin by Liyan Zhang, Mei Song, Yan Gao

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Optimizing Hydrogen Production in the Co-Gasification Process: Comparison of Explainable Regression Models Using Shapley Additive Explanations by Thavavel Vaiyapuri

Subjects: “…thermochemical conversion…”
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Risk factors and outcomes in patients who switched from peritoneal dialysis to physician-oriented or patient-oriented kidney replacement therapy by Liu Zhang, Xu Guan, Liang Liu, Yinghui Huang, Jiachuan Xiong, Jinghong Zhao

Subjects: “…kidney replacement therapy conversion…”
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The Influences of Conversation Program at Madrasah Aliyah Babul Huda Tualang Cut in improving The Students’ Speaking Skill by Wirda Maulia

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Comparative evaluation of the energy and economic efficiency of vapor compression heat pumps in modernization of large chemical and oil refining industries. Part 2 by V. L. Yusha, M. A. Sutyaginskiy, Yu. A. Potapov

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Solar parking lot capacity: an abundant dual-use alternative to meet demand for the renewable energy transition by Scott Markwith

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Adaptive Property Reuse for Social Housing: Benefits, Challenges, and Best Practices by Sanchaniya Rashmi Jaymin, Černeckienė Jurgita, Gudumasu Naga Shilpa, Kundziņa Antra

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Boosting biogas production through innovative data-driven modeling and optimization methods at NJWTP by Jingsong Duan, Guohua Cao, Guoqing Ma, Bayram Yazdani

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