Car integral performance index simulation by S. V. Teplyakova, A. A. Kotesova, N. N. Nikolaev

Get full text

Investigation of the Effect of Non-Flat Surfaces on the Performance of Perforated Acoustic Absorber by Zahra Hashemi, Ali Fahim, Mohammad Reza Monazzam

“…In order to simulate the absorption coefficient of a non-flat perforated panel, the finite element method was implemented by the COMSOL 5.3a software in the frequency domain. …”
Get full text

Lie Symmetry Analysis, Exact Solutions, and Conservation Laws of Variable-Coefficients Boiti-Leon-Pempinelli Equation by Feng Zhang, Yuru Hu, Xiangpeng Xin

“…Subsequently, the conservation laws of vcBLP are determined using the multiplier method.…”
Get full text

Experimental study of the influence of the damping coefficient of a semi-active suspension on vehicle acceleration during starting by Shuklinov Serhiy, Tkachov Oleg

“…The influence of the damping coefficient of a semi-active suspension on vehicle acceleration during starting can be determined experimentally. …”
Get full text

On the influence of external factors on the heat transfer coefficient of the body of a specialized vehicle for the transportation of perishable freight by T. I. Nabatchikova, S. N. Naumenko, G. B. Gusev

“…The heat transfer coefficients from the internal and external building envelopes to the ambient air for the standing car and during its movement are determined to assess the change in the heat transfer coefficient from the criterion dependencies. …”
Get full text

Study of wear resistance and friction coefficient of polymeric materials for metal-polymer gears under dry friction by Myron Czerniec, Jerzy Czerniec

“…The wear resistance of polyamides (PA6, PA66, PA6+30GF, PA6+30CF, PA6+MoS2, PA6+oil), polyacetals (POM-H, POM+35PTFE, POM+20PTFE, POM+60Bronze, POM+20PTFE+30Bronze; POM+10PTFE+20Bronze, POM+15PTFE+15GF, POM+10PTFE+10GF, POM+10PTFE+20Bronze+10GF, POM+10PTFE+15Bronze+5GF), polyetheretherketones (PEEK, PEEK+30GF), and polyethylene terephthalates (PET, PET+PTFE) on steel has been studied in this work. In order to determine their wear resistance and sliding friction coefficient, the authors’ method of model triboexperimental studies of materials under sliding friction according to the pin-on-disk scheme was used. …”
Get full text

On the Factors Influencing the Loss Coefficient of the Gas Nozzle of the Constant Flow Blocker in CO2 Injection Wells by LI Yeye, MENG Wenyu, YANG Yuntong, LIU Xingbin

“…The changes in the nozzle loss coefficient in the gas nozzle system during CO2 injection are analyzed, and the relationship between the nozzle loss coefficient and nozzle size and inlet pressure is determined. …”
Get full text

Inherent Optical Properties Attenuation Coefficient Modelling for Optical Shallow Water in Kepulauan Seribu of Jakarta, Indonesia by Kuncoro Teguh Setiawan, Mohammad Syamsu Rosid, Masita Dwi Mandini Manessa, A.A. Md. Ananda Putra Suardana, Novi Susetyo Adi, Gathot Winarso, Takahiro Osawa, Wikanti Asriningrum, Harsono Supardjo

“…The results of IOP attenuation coefficient modeling of multispectral remote sensing based on the condition of local water parameters is Kd(λ) = 1.4369 ((a(λ) + b(λ)) / Cos θ) + 0.072. based on the modified Gordon method, The modelling results were obtained with an accuracy of 0.98 determination coefficient (R2) and 0.029 Root Mean Square Error (RMSE).…”
Get full text

The Pore Diffusion Coefficient of Iodide Ion in Rock Samples Using X-ray K-edge Imaging by Jiujiang ZHAO, Zhe WANG, Zhidu ZHANG, Hong ZHAO

“…The diffusion method, which measures the steady-state diffusion flux of non-sorbing tracers, such as I− and HTO, has been widely used for the determination of diffusion coefficients. …”
Get full text

Weighted correlation coefficients for q-rung orthopair fuzzy sets with application in multi-criteria decision-making by Miin-Shen Yang, Mehboob Ali, Yasir Akhtar

“…In many real-world MCDM scenarios, the criteria weights are often unknown, which poses a challenge for methods that rely on user-defined weights. This highlights the need to develop a reliable approach for determining these weights. …”
Get full text

Influence of Transformation Coefficient of Refrigerating Machine on Exergetic Efficiency of Air Conditioning System of Operating Clean Rooms by Volodymyr Labay, Kyrylo Andreiko

“…Exergetic method is a universal way of thermodynamic research of various processes of energy transformation in energy technological systems, to which air conditioning system for clean room belongs. …”
Get full text

Research on Heat Transfer Coefficient Prediction of Printed Circuit Plate Heat Exchanger Based on Deep Learning by Yi Su, Yongchen Zhao, Jingjin Wu, Ling Zhang

“…Notably, in predicting the heat transfer coefficient of the hexagonal channel, the determination coefficient (R²) of the Transformer–LA model reaches 0.9993, indicating excellent prediction performance. …”
Get full text

SPECTROPHOTOMETRIC DETERMINATION OF ATORVASTATINE CALCIUM by O. Yu. Myronova, S. O. Vasjuk

“…Precision was determined at the level of convergence. Accuracy was established by additives method. …”
Get full text

Evaluation of influence of thermoplastic slurry flow conditions on heat transfer coefficient during beryllium ceramic formation by З. Сатинова, Б. Асилбеков, У. Жапбасбаев, Г. Рамазанова, Г. Сагындыкова

“… The article presents the results of calculation of the influence of thermoplastic slurry flow conditions on the total heat transfer coefficient when forming ceramic products. Methods of detailed description of casting processes and thermal calculations have been developed to ensure reliable correspondence of calculated data and experimental results implemented on the basis of calculational experiment. …”
Get full text

Whole-body diffusion-weighted magnetic resonance imaging by estimating the measurable diffusion coefficient in Hodgkin lymphoma by A. I. Mikhaylov, V. O. Panov, I. E. Tyurin

“…Objective: to determine whether the measurable diffusion coefficient (MIC) may be used to differentiate normal and lymphomatosisaltered lymph nodes (LNs) in patients with Hodgkin lymphoma (HL).Material and methods. …”
Get full text

Efficient Humanitarian Logistics: Multi-Commodity Location–Inventory Model Incorporating Demand Probability and Consumption Coefficients by Majid Mehrabi Delshad, Adel Pourghader Chobar, Peiman Ghasemi, Davoud Jafari

Get full text

Determination of optical properties of single crystal diamond substrates grown via welding-assisted microwave plasma enhanced chemical vapour deposition by Khyati Upadhyay, Abhay Dasadia, Sandip V. Bhatt, M. P. Deshpande

Get full text

Rapid Spectrophotometric Determination of Phenoxazine by Baghdad Science Journal

“…The Beer’s law was obeyed for phenoxazine concentration range from 1 to 6 µg mL-1 with 0.003 µg mL-1 detection limit and provided variation coefficients between 0.4 to 1.7 %. This method was successfully applied for the determination of phenoxazine in aqueous samples…”
Get full text

Determination of the Antimethanogenic Properties of Sumac Leaves (Rhus coriaria L.) Subsitution at Different Ratios İnstead of Corn Silage in Sheep Rations by in Vitro Gas Producti... by Ali Kaya, Atilla Başer, Adem Kaya, Bilal Selçuk, Tuğba Cengiz

Get full text

Development and Validation of a High-Performance Liquid Chromatography-Inductively Coupled Plasma Mass Spectrometry Method for the Simultaneous Determination of Arsenic and Mercury... by Chenyang Zheng, Jun Tang, Xiaodong Pan, Haitao Shen, Zhengyan Hu, Jingshun Zhang, Luxuan Wang, Pinggu Wu, Ying Tan

“…The simultaneous determination of arsenic and mercury species in human urine is critical for clinical diagnostics and therapeutic monitoring because it reduces the costs, time, and consumption of samples. …”
Get full text