Non-radial oscillations of hadronic neutron stars, quark stars, and hybrid stars: calculation of f, p, and g mode frequencies by Atanu Guha, Debashree Sen, Chang Ho Hyun

“…However, certain observational constraints on the structural properties of compact stars help us constrain the EoS to a fair extent. …”
Get full text

Development and Validation of Tranexamic Acid Determination in Human Plasma by HPLC-MS/MS method by A. V. Aleshina, T. N. Komarov, O. A. Archakova, D. S. Shchelgacheva, N. S. Bagaeva, V. V. Davydanova, A. Yu. Savchenko, I. E. Shohin

“…However, this compound belongs to the group of so-called poorly retained compounds due to its chemical structure. It is necessary to develop an analytical method that will allow the determination of tranexamic acid in human blood plasma with the least time, resource costs and without the use of specialized columns.Aim. …”
Get full text

Flexural Performance of Steel–GFRP Strips–UHPC Composite Beam in Negative Moment Region by Lei Cao, Deng Zhang, Dan Zeng, Jin Zhang, Youjie Zhang, Zhe Zhang, Rong Zhan

“…This study aims to clarify the longitudinal flexural cracking characteristics in hogging moment regions and propose a practical calculation method for the cracking load and ultimate bearing capacity for a steel–GFRP strips–UHPC composite deck structure. The longitudinal flexural behavior of two steel–GFRP strips–UHPC composite beams in the hogging moment region is determined through a three-point loading test method. …”
Get full text

Optimization of Low-Carbon Technology Adoption Decision for Generation Enterprises Considering Cost Uncertainty by Qinliang TAN, Jiaming HE, Hanyu LV, Yihong DING

“…The effectiveness of the proposed model is verified by comparing the evolution of the power generation company's power structure under different scenarios, which can provide valuable insights for power generation companies adopting low-carbon technologies.…”
Get full text

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. …”
Get full text

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). …”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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

Get full text

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. …”
Get full text

Dipole-dipole interactions mediated by a photonic flat band by Enrico Di Benedetto, Alejandro Gonzalez-Tudela, Francesco Ciccarello

“…Flat bands (FBs) are band structures featuring zero-group velocity along the whole band, which in electronic systems have been shown to be source of strongly correlated phenomena. …”
Get full text

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. …”
Get full text

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. …”
Get full text

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. …”
Get full text

Adaptive models of the four-switch buck-boost converter by O.V. Vasylenko, G.V. Snizhnoi

“…The main research method is mathematical modeling; empirical formulas are used to calculate the model parameters; a behavioral programming approach is used for the structural synthesis of the converter model. Findings. …”
Get full text

Gas injection capacity of low permeability reservoirs considering microscopic characteristics by Yongxin MA, Qiaoliang ZHANG, Jinqi ZHU, Shuai MA, Xin WANG, Runhua ZHU

“…Therefore, taking the low permeability reservoirs in the fourth member of the Oligocene Weizhou Formation in well block 3 in the middle block of the Weizhou B Oilfield, Beibuwan Basin as the research object, a gas-phase effective permeability evaluation model was established based on dynamic correction of static logging permeability, comprehensively considering microscopic pore-throat structural characteristics (such as fractal dimension, throat radius, and tortuosity) and the thickness of bound water film. …”
Get full text

2D ferroelectric narrow-bandgap semiconductor Wurtzite’ type α-In2Se3 and its silicon-compatible growth by Yuxuan Jiang, Xingkun Ning, Renhui Liu, Kepeng Song, Sajjad Ali, Haoyue Deng, Yizhuo Li, Biaohong Huang, Jianhang Qiu, Xiaofei Zhu, Zhen Fan, Qiankun Li, Chengbing Qin, Fei Xue, Teng Yang, Bing Li, Gang Liu, Weijin Hu, Lain-Jong Li, Zhidong Zhang

“…Abstract 2D van der Waals ferroelectrics, particularly α-In2Se3, have emerged as an attractive building block for next-generation information storage technologies due to their moderate band gap and robust ferroelectricity stabilized by dipole locking. α-In2Se3 can adopt either the distorted zincblende or wurtzite structures; however, the wurtzite phase has yet to be experimentally validated, and its large-scale synthesis poses significant challenges. …”
Get full text

Study on the Stability of Surrounding Rock of Underground Circular Cavern Based on the Anchor Reinforcement Effect by Shuancheng Gu, Pan Zhou, Wei Sun, Chunhui Hu, Zhi Li, Chao Wang

“…First, the composite bearing structure composed of the anchor and surrounding rock was defined as the surrounding rock reinforcement body by using the homogenization method, and a new method for evaluating the stability of surrounding rock by the surrounding rock reinforcement body deformation and damage degree was proposed. …”
Get full text

Longitudinal Modeling and Control of Tailed Flapping-Wings Micro Air Vehicles near Hovering by Tao Jiang, Xiaosong Yang, Hongwei Wang, Wen Gai, Long Cui

“…Compared with the tailless flapping wing micro air vehicle (FMAV), the tailed FMAV has a simpler structure and is easier to control. However, although biplane FMAVs with tails have been used for flight control in practice for a long time, a theoretical model of the tailed FMAV has not previously been established. …”
Get full text