Biochar and carbon-negative technologies: exploring opportunities for climate change mitigation by Muhammad Ayaz, Sidra Tul Muntaha, Edita Baltrėnaitė-Gedienė, Zita Kriaučiūnienė

“…The main results of the study reveal that BC usage results in a net negative carbon (C) footprint, mitigates heavy metal pollution, and enhances soil and ecosystem health. …”
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Novel Organotin(IV) Schiff Base Complexes with Histidine Derivatives: Synthesis, Characterization, and Biological Activity by Ariadna Garza-Ortiz, Carlos Camacho-Camacho, Teresita Sainz-Espuñes, Irma Rojas-Oviedo, Luis Raúl Gutiérrez-Lucas, Atilano Gutierrez Carrillo, Marco A. Vera Ramirez

“…The second structure is spectroscopically described as a tetrahedral tin complex with four donating atoms (one oxygen atom coordinated to the metal and three carbon atoms belonging to the alkyl or aryl substituents), with one molecule of ligand attached. …”
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Effects of low plastic burnishing combined with self-oxygen diffusion on the hot corrosion behavior of the TA29 titanium alloy by Congjie Kang, Hongyun Luo, Jianming Cai, Duoqi Shi

“…This paper discusses the mechanism of the hot corrosion process of TA29 Ti alloy and reveals the mechanism of the formation of a special double-layer Al rich oxide layer under the combined influence of metal element cyclic chlorination oxidation and surface Al element enrichment caused by self-oxygen diffusion processing, which provides a new way of thinking to improve the hot corrosion performance of Ti alloy.…”
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Design and Analysis of Compact High–Performance Lithium–Niobate Electro–Optic Modulator Based on a Racetrack Resonator by Zixin Chen, Jianping Li, Weiqin Zheng, Hongkang Liu, Quandong Huang, Ya Han, Yuwen Qin

“…In this paper, we propose an improved theoretical model of a chip-scale electro-optic (EO) microring modulator (EO-MRM) based on X-cut lithium–niobate-on-insulator (LNOI) with a hybrid architecture consisting of a 180-degree Euler bend in the coupling region, double-layer metal electrode structure, and ground–signal–signal–ground (G-S-S-G) electrode configuration, which can realize highly comprehensive performance and a compact footprint. …”
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On the Experimental Determination of Poisson’s Ratio for Intact Rocks and Its Variation as Deformation Develops by Lu Dong, Hongfa Xu, Pengxian Fan, Zhichou Wu

“…Rock materials are different from metal materials. The pure elastic deformation stage is usually very short or nonexistent in the process of uniaxial tension or compression. …”
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Evaluation of Cyclic Fatigue of Hyflex EDM, Twisted Files, and ProTaper Gold Manufactured with Different Processes: An In Vitro Study by Pooja D. Khandagale, Prashant P. Shetty, Saleem D. Makandar, Pradeep A. Bapna, Mohmed Isaqali Karobari, Anand Marya, Pietro Messina, Giuseppe Alessandro Scardina

“…Sixty NiTi rotary instruments of 25 mm length (Hyflex EDM (20), Twisted files (20), and ProTaper Gold (20)) were tested in a metal block with simulated canal having 90° angle of curvature. …”
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Burning Rate Enhancement Analysis of End-Burning Solid Propellant Grains Based on X-Ray Real-Time Radiography by Wei Xianggeng, Bo Tao, Wang Pengbo, Ma Xinjian, Lou Yongchun, Chen Jian

“…Considering the actual structure of this end-burning grain motor, it is speculated that the main cause of the cone burning of the grain may be due to the heat conduction of the metal wall. By adjusting the initial shape of the grain end surface, the operating pressure of the combustion chamber can be basically unchanged, so as to meet the mission requirements. …”
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Theoretical Insight into the Spectral Characteristics of Fe(II)-Based Complexes for Dye-Sensitized Solar Cells—Part I: Polypyridyl Ancillary Ligands by Xiaoqing Lu, Shuxian Wei, Chi-Man Lawrence Wu, Ning Ding, Shaoren Li, Lianming Zhao, Wenyue Guo

“…Our results show that polypyridyl Fe(II)-based complexes display multitransition characters of Fe → polypyridine metal-to-ligand charge transfer and ligand-to-ligand charge transfer in the range of 350–800 nm. …”
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Optical, X-Ray Diffraction, and Magnetic Properties of the Cobalt-Substituted Nickel Chromium Ferrites (CrCo𝑥Ni1−𝑥FeO4, 𝑥=0,0.2,0.4,0.6,0.8,1.0) Synthesized Using Sol-Gel... by Sonal Singhal, Santosh Bhukal, Jagdish Singh, Kailash Chandra, S. Bansal

“…Typical FT-IR spectra of the samples annealed at 400°C, 600°C, 800°C, and 1000°C exhibit two frequency bands in the range of ~480 cm−1 and ~590 cm−1 corresponding to the formation of octahedral and tetrahedral clusters of metal oxide, respectively. TEM images reveal that crystallite size increases from ~10 nm to ~45 nm as the annealing temperature is increased from 400°C to 1000°C. …”
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Versatile on-chip polarization-sensitive detection system for optical communication and artificial vision by Zhilin Liu, Mingxiu Liu, Liujian Qi, Nan Zhang, Bin Wang, Xiaojuan Sun, Rongjun Zhang, Dabing Li, Shaojuan Li

“…The polarization arises from hot electron injection caused by the plasmonic metal electrode and is amplified by the transistor to raise the anisotropic ratio from 2 to an impressive value over 60 in the infrared (IR) band, reaching the level of existing applications. …”
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Synthesis and Spectroscopic and Biological Activities of Zn(II) Porphyrin with Oxygen Donors by Gauri Devi Bajju, Sujata Kundan, Madhulika Bhagat, Deepmala Gupta, Ashu Kapahi, Geeta Devi

“…Absorption spectra show two principal effects: a red shift for phenols bearing substituted electron releasing groups (−CH3, −NH2) and blue shift for phenols bearing electron withdrawing groups (−NO2, −Cl) relative to Zn-t(p-CH3) PP, respectively. 1H NMR spectra show that the protons of the phenol ring axially attached to the central metal ion are merged with the protons of the porphyrin ring. …”
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A novel cost-effective heterostructured Fe-based medium-entropy alloy with high cryogenic strength and ductility by Hongyan Wang, Qiuyu Gao, Zhimin Yang, Chongxun Fang, Yongfu Cai, Juqiang Zhang, Xin Zhao, Ran Wei

“…There is a strong demand for metallic materials with exceptional comprehensive properties in various engineering applications. …”
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Maximizing H₂ Production from a Combination of Catalytic Partial Oxidation of CH₄ and Water Gas Shift Reaction by Pannipa Tepamatr, Pattarapon Rungsri, Pornlada Daorattanachai, Navadol Laosiripojana

“…An addition of Re onto Ni/GDC and Cu/GDC caused an increase in catalytic performance because Re addition could improve the catalyst reducibility and increase metal surface area, as more of their surface active sites are exposed to reactants.…”
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Characterization and simulation of AlGaN barrier structure effects in normally-off recessed gate AlGaN/GaN MISHEMTs by An-Chen Liu, Hsin-Chu Chen, Po-Tsung Tu, Yan-Lin Chen, Yan-Chieh Chen, Po-Chun Yeh, Chih-I Wu, Shu-Tong Chang, Tsung-Sheng Kao, Hao-Chung Kuo

“…The objective of this study is to optimize the trade-off between threshold voltage (V _TH ) and maximum drain current (I _D,max ) in recessed gate AlGaN/GaN metal insulator semiconductor high electron mobility transistor (MISHEMT) using atomic layer etching (ALE) technology, with technical computer-aided design (TCAD) simulations assisting in the analysis of the underlying mechanisms to demonstrate the high performance and reliability of GaN-based power application. …”
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Extraction of Nickel Oxide from Spent Catalyst for Environmentally Safe Disposal by Fakhri H. Ibraheem, Heavn E. Mahmood, Dunya I. Salih, Jafar M. Smil, Hawbash S. Ahamad, Fatin A. Salih

“…The treatment method novelty is to be carried out at reasonable temperatures with high metal extraction efficiency. The research results achieved this goal of attaining extraction at an easily achievable temperature of 70°C with a relatively good extraction rate higher than 65%. …”
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Miniaturization Potential of Additive-Manufactured 3D Mechatronic Integrated Device Components Produced by Stereolithography by Niklas Piechulek, Lei Xu, Jan Fröhlich, Patrick Bründl, Jörg Franke

“…Electric circuits are successfully formed on substrates printed with resin mixed with Laser Direct Structuring (LDS) additives, following laser structuring and metallization processes, with a minimum conductor spacing of 150 µm. …”
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Revolutionizing radiotherapy: gold nanoparticles with polyphenol coating as novel enhancers in breast cancer cells—an in vitro study by Simona Tarantino, Annalisa Bianco, Mariafrancesca Cascione, Alessandra Carlà, Lia Fiamà, Riccardo Di Corato, Livia Giotta, Paolo Pellegrino, Anna Paola Caricato, Rosaria Rinaldi, Valeria De Matteis

“…Nanotechnologies, especially metallic nanoparticles (NPs), hold promise for enhancing radiotherapy. …”
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Enhancing ethanol dehydration through optimized WO3 loading on activated carbon and montmorillonite clay catalysts by Chaowat Autthanit, Sasiradee Jantasee, Jirayu Liewchalermwong, Narathip Thubthun, Supachai Jadsadajerm, Piyasan Praserthdam, Bunjerd Jongsomjit

“…The study not only underscores the significance of metal loading and support type in achieving superior catalytic performance, but also highlights the exceptional potential of MMT as a promising candidate for sustainable and efficient ethanol dehydration processes.…”
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Analysis of the Vibration and Chatter Stability of a Tapered Composite Boring Bar by Chunjin Zhang, Yongsheng Ren, Shujuan Ji, Jinfeng Zhang

“…As metal boring bars have low dynamic stiffness, chatter is easily induced during the boring process. …”
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Simulation of Arc Discharge in an Argon/Methane Mixture, Taking into Account the Evaporation of Anode Material in Problems Related to the Synthesis of Functional Nanostructures by Almaz Saifutdinov, Boris Timerkaev

“…In this mode, an increase in metal–carbon nanoparticles is expected. It is shown that, in the case of a cathode made of non-refractory copper, the discharge characteristics and the component composition of the plasma depend on the field enhancement factor near the cathode surface. …”
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