This paper refers to as various results of regression calculators on the website among some of the results are either too complicated or too concise, so that the author summarized those results data from SPSS system of EXCEL software and regression calculators, during found it wa...
Open access
Research Article10.9734/jerr/2025/v27i101672
This article reviewed the fretting wear of aluminium matrix composites and its mitigation through the application of surface engineering techniques. The concept of fretting damage, which could be in the form of fretting wear, fretting fatigue and fretting corrosion, was elucidate...
Open access
Research Article10.9734/jerr/2025/v27i101673
With the rapid advancement of mobile robotics and intelligent mining, Simultaneous Localization and Mapping (SLAM) has become a critical technology for autonomous navigation of unmanned mine trucks and inspection robots. Open-pit coal mine environments are characterized by comple...
Open access
Research Article10.9734/jerr/2025/v27i101674
The recycling of waste tires as aggregate in cement concrete offers an effective solution to environmental challenges by reducing waste and conserving natural resources. However, the weak interface between rubber aggregate and cement stone hinders the full utilization of waste ti...
Open access
Research Article10.9734/jerr/2025/v27i101670
Recycled Aggregate Concrete (RAC) has emerged as a promising sustainable construction material, addressing both environmental concerns related to construction waste disposal and the depletion of natural resources. This review provides a comprehensive analysis of recent advancemen...
Open access
Research Article10.9734/jerr/2025/v27i101668
Purpose/Aim: This study evaluates compliance with the Nepal National Building Code (NNBC) and municipal bylaws in residential construction in Godawari Municipality, Lalitpur District, Nepal, to identify gaps and propose measures for enhancing earthquake-resistant construction. De...
Open access
Research Article10.9734/jerr/2025/v27i101669
In recent years, with the continuous increase in building height, the shear walls at the bottom of high-rise structures are subjected to increasingly large vertical loads. Under strong seismic actions, high-strength concrete shear walls with high axial compression ratios are pron...
Open access
Research Article10.9734/jerr/2025/v27i101667
Rapid Thermal Processing (RTP) is a key technology for semiconductor manufacturing. However, the strong coupling, nonlinearities, and multiple disturbances inherent in RTP render accurate physical modeling extremely challenging. This paper studies the application of subspace pred...
Open access
Research Article10.9734/jerr/2025/v27i101666
Background: Conventional techniques for stabilizing soil frequently use expensive and occasionally hazardous materials like cement and artificial polymers. Thus, stabilization of soils with chemical additives has drawn up a lot of interest from construction sector, because it can...
Open access
Research Article10.9734/jerr/2025/v27i101663
The study aimed to quantify the influence of students’ mobile phone behaviors—including daily screen time, non‐educational versus educational app usage, study‐to‐phone ratios, and nighttime device checks—on academic performance and to develop a real‐time digital wellness alert sy...
Open access
Research Article10.9734/jerr/2025/v27i101664
Hydrogen gas usage is expanding into various sector of our economy due to its physio-chemical properties, as well as political and economic attentions in response to rising energy demand and low carbon requirements. During the net-zero carbon transition period, oil and gas indust...
Open access
Research Article10.9734/jerr/2025/v27i101665
The RV reducer has a series of advantages such as high transmission efficiency, small size, light weight, large load-bearing capacity, smooth movement, low noise, and long service life, which is of great significance for studying its dynamic characteristics. This article takes th...
Open access
Research Article10.9734/jerr/2025/v27i101661
As main spans of bridges approach the 2,000 m class, flutter exhibits significant structural and aerodynamic nonlinearities. Traditional linear theories, which focus on a single critical wind speed, fail to explain post-critical behaviors such as limit-cycle oscillations, hystere...
Open access
Research Article10.9734/jerr/2025/v27i101662
In order to solve the harm of vortex-induced vibration (VIV), this paper studies the VIV control performance of multi-type nonlinear energy sink (NES) and tube-in-tube (PIP) structures. The multi-degree-of-freedom NES (MDOF-NES) with low linear stiffness coupling control is the b...
Open access
Research Article10.9734/jerr/2025/v27i101659
Micropolar fluids are polarized fluids hence have better thermal conductivity properties. The incorporation of nanoparticles into micropolar fluids further enhances their thermal conductivity performance. The gyration characteristic of these fluids is significant in fields such a...
Open access
Research Article10.9734/jerr/2025/v27i101660