Аdaptive broadband low-noise RF amplifier by I. Yu. Malevich, P. V. Zayats

“…A step change in the transducer gain in the circuit of the lossless feedback circuit developed by ABLNRFA avoids the accumulation of additional noise in the structure and provides a low-noise figure that does not exceed 1 dB. …”
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A wideband balun‐LNA employing symmetrical CCC technique and balanced outputs by Razieh Eskandari, Afshin Ebrahimi, Hasan Faraji Baghtash

“…The IIP3 and IIP2 are achieved as ‐1.66 dBm and +28.97 dBm, respectively. The proposed structure consumes 5.5 mW from 1.5V power supply and occupies an active area of 0.29 mm2.…”
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Analysis of Global and Key PM_2.5 Dynamic Mode Decomposition Based on the Koopman Method by Yuhan Yu, Dantong Liu, Bin Wang, Feng Zhang

“…This approach decomposes the data into the superposition of different spatial modes, revealing their hierarchical spatiotemporal structure and reconstructing the dynamic processes. …”
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Storm-Induced Evolution on an Artificial Pocket Gravel Beach: A Numerical Study with XBeach-Gravel by Hanna Miličević, Dalibor Carević, Damjan Bujak, Goran Lončar, Andrea Tadić

“…Despite mimicking natural formations, artificial beaches require regular maintenance due to sediment shifts dominantly caused by wave action and storm surges. Structure-from-Motion (SfM) photogrammetry and UAV-based surveys were used to monitor morphological changes on the artificial gravel pocket beach Ploče (City of Rijeka). …”
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Influence of equipment rigidity on the natural bending frequency of the EMU train car body by R. V. Guchinsky

“…When designing the bodies of EMU train cars (especially motor cars), in order to increase the frequency value, the equipment boxes should be located, taking into account the compatibility of the deformations of the box frames and the loadbearing structure of the body. Massive boxes for small equipment should be placed as close to the bolster beams as possible. …”
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ORDER IN THE CHAOS IN SPORTS ORGANIZATIONS by Azarian Mehran, Yadollahzadeh Robab, Hefzollesan Mehrdad, Moharramzadeh Mehrdad, Ghalehgir Sohrab

“…Results: Results of this study, which have got through a single-sample t-test, show that sport organizations have six characteristics of welcoming to innovation, coherence, uncertainty, non-linearity, unpredictability, and ugly structure. It’s just the grade of the characteristic of recruiting competent staffs that is low in sport organizations; in fact they don’t enjoy it. …”
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Sodium sorption and desorption in riparian soils impacted by road salt application by Luana G.G. Camelo, Tim P. Duval

“…Once these ions enter the environment, Na is stored in the soils, with high concentrations of it leading to soil structure deterioration, organic matter leaching, and nutrient displacement. …”
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Study of the spatiotemporal evolution of the stress, deformation and creep characteristics of pillars in solid potash mines by Luwei Zhang, Gaofeng Ren, Yongxiang Ge, Congrui Zhang, Xin Wang

“…The ore layer is composed of carnallite and sodium chloride, and there are staggered structural planes in the ore layer, resulting in an asymmetric deformation mode of radial displacement. …”
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Diagnostic In Vivo Sensing of COVID-19 Antibody Detection Using DNA-Linking Graphene Oxide Synthetic Mimic Skin Tattoo Probes by Kyung Lee, Dong Ho Kim, Sihyun Jun, Yeseul Oh, Ye Jun Oh, Seo Jun Lee, Keumsook Kim, Suw Young Ly

“…The diagnostic detection limit was determined using stripping anodic and cathodic amplifiers, and the working probe was fabricated with a graphene molecule structure with a virus antigen-immobilized amplifier. …”
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Green synthesis of hierarchical ZSM-5 using cellulose nanocrystal-mesoporogen at low temperature for catalytic cracking of palm oil into aromatic-rich gasoline by Deaul Aulia, Ainul Maghfirah, Grandprix T.M. Kadja

“…Further, the amount of CNC (0, 1, 2, 4 g) significantly influenced the structural properties and catalytic performance of the prepared hierarchical ZSM-5. …”
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Effects of substituting alfalfa silage with whole plant quinoa silage on rumen fermentation characteristics and rumen microbial community of sheep in vitro by Jie Bai, Jie Bai, Lijuan Tang, Lijuan Tang, Mao Liu, Ting Jiao, Ting Jiao, Guiqin Zhao

“…In summary, the inclusion of quinoa in alfalfa silage alters the fiber structure of the feed and significantly affects its nutritional composition, in vitro fermentation parameters, methane production, and microbial community composition. …”
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Flash‐Thermal Reduction of Graphene Oxide with Flexible Electronics Platform for Highly Sensitive Wearable Temperature Sensor by Yeong Jun Yun, Hyun Jin Kang, Chan Yun Bae, Gyu Heon Bae, Hyun Jin Lee, Ki Hoon Kim, Yeong Jun Jang, Tae Won Nam, Jung Woo Lee

“…Graphene oxide (GO), characterized by disrupted sp2 bonds and oxygen‐rich functional groups that act as electron traps, undergoes controlled reduction to modulate its electrical and structural properties. In this study, by employing the flash‐thermal reduction technique, the reduction degree of the GO with systematic analyses on conductivity and material stability is precisely adjusted. …”
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Relationship between Choroidal Thickness and Anterior Scleral Thickness in Patients with Keratoconus by Neus Burguera-Giménez, M.ª Amparo Díez-Ajenjo, Celeste Briceno-Lopez, Noemí Burguera, M.ª José Luque-Cobija, Cristina Peris-Martínez

“…These results reveal new insights regarding the interactions between the anterior and posterior structures of the KC eyes and confirm the enigma of the pathophysiology of KC.…”
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Investigation of the overall stability of welded I-beams with a cross-corrugated wall of the Zeman range by S. A. Makeyev, N. G. Silina, M. A. Stupin

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Preparation and Performance Testing of Oxygen Ion Sensing Electrode in Chloride Molten Salt System by XIAO Yiqun1, LI Bin1, LIU Sijing1, 2, YAO Benlin1, YE Guoan1, HE Hui1

“…The electrodes were designed to function in high-temperature environments, featuring robust sealing and miniaturized structures to facilitate usage in confined spaces. The electrodes were tested in LiCl-KCl molten salt under various conditions, including changes in temperature, oxygen ion concentration, and gas flow rates. …”
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Prediction and uncertainty analysis of pollution flux of typical chlorinated hydrocarbon contaminated sites by Hongyu YAO, Ronghui AI, Xueyuan KANG, Jichun WU, Xiaoqing SHI

“…The maximum likelihood estimation inversion method was employed to identify pollution source areas, estimate structural parameters, groundwater flow rates, and equivalent low-permeability medium thickness, and predict pollution flux at the site boundary. …”
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Research on Active Control of X-Type Interconnected Hydropneumatic Suspensions for Heavy-Duty Special Vehicles via Extended State Observer-Model Predictive Control by Geqiang Li, Yuze Yan, Yuchang Liu, Shuai Wang

“…To address the weak adaptability of the passive X-type interconnection hydropneumatic suspension to different road surfaces and the poor performance of traditional single-control methods, an active controller based on the extended state observer (ESO) and model predictive control (MPC) was designed for the X-type interconnection hydropneumatic suspension of heavy-duty special vehicles. First, the structure of the X-type interconnection hydropneumatic suspension was analyzed. …”
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Insight into the adverse effect of residual ammonium ion on the catalytic activity of zeolite Y by Azam Samiei, Seyyed Hamid Ahmadi, Amir Bagheri Garmarudi, Mahta Badienejad, Miguel de la Guardia, Daniel Gallert Mateu

“…The results evidenced that the increase of the ammonium ions within the structure of zeolite enhanced the cracking of kerosene. …”
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Container Liner Shipping System Design Considering Methanol-Powered Vessels by Zhaokun Li, Xinke Yu, Jianning Shang, Kang Chen, Xu Xin, Wei Zhang, Shaoqiang Yu

“…Specifically, the upper-level model optimizes the number of liners deployed in the fleet and shipping network structure, whereas the lower-level model coordinates decisions associated with liner sailing speed management, bunker fuel management, and slot allocation. …”
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Design and Optimization of Π-Shaped Slotted Dual-Band SIW Antenna for 5G Applications by Md Mahabub Alam, Nurhafizah Abu Talip Yusof, Yasmin Abdul Wahab, Mohamad Shaiful Abdul Karim, Md. Suaibur Rahman

“…The innovation lies in a Π-shaped slotted SIW structure, enabling wideband operation across the 28 GHz and 38 GHz bands. …”
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