bluuebunny/crossref_metadata_2025 huggingface dataset:
Más Allá del Yo: el Concepto de Espacio Autobiográfico en la Cultura Audiovisual Contemporánea
Authors: San Cristóbal Úrsula
Published: February 2024

En este trabajo introduzco el concepto de espacio autobiográfico como una perspectiva para abordar la exposición de la intimidad del cuerpo y sus vivencias, en el contexto de la creación audiovisual contemporánea. A partir de una revisión crítica de planteamientos procedentes de los estudios literarios (Phillipe Lejeune y Leonor Arfuch) y de la teoría del arte contemporáneo (Lea Vergine, Amelia Jones, Estrella de Diego y Rosalind Krauss), busco delinear las principales características del término para aplicarlas al estudio de obras donde coexisten distintos lenguajes audiovisuales (cine experimental, documental, videoclip, etc.) y donde los elementos sonoros colaboran de manera particular a la configuración del espacio autobiográfico.
Neuropsychological Assessment in Schooled Adolescent Offenders and Non-Offenders
Authors: Ruiz Peña Ronald , Pino Mariana , Contreras Juan
Published: February 2024

Adolescents who break the law have experienced situations that increase the likelihood of becoming involved in criminal activities such as drug use, gang involvement, adverse economic conditions, among others. All this, added to their stage of human development, which is characterized by physical, cognitive, social and emotional changes, can lead them to have deficiencies in their cognitive processes and at the same time present educational difficulties. The purpose of this study is to evaluate different cognitive processes of these adolescents in comparison to a control group with similar characteristics but who have not committed any crime and whose education has not been interrupted. For this purpose, were included (n = 62) adolescent offenders and (n = 62) adolescent non-offenders of male sex and aged 14 to 18 years was taken. Basic sociodemographic data on their education and psychoactive substance use were collected, as well as cognitive data with tests such as Ineco Frontal Screening for executive functions, Montreal Cognitive Assessment for general functions, among others. The results showed significant differences in executive functions, attentional processes, memory and language. These difficulties can be key to school performance, therefore, educational interventions adapted to these adolescents are suggested.
Mechatronic Hand Exoskeleton for Rehabilitation after Stroke
Authors: Borzenko E. I. , Zhdanov D. S. , Makarov R. E. , Seleznev A. I. , Utukin V. , Bureev A. Sh.
Published: February 2024

The article presents the results of the development of a prototype of a functional layout of a soft exoskeleton of the hand, which is part of a robotic complex for restoring the function of the upper limb of patients after a stroke. The use of the layout will allow for therapy based on a mixed approach, which implements both assistance in carrying out independent movements of the patient’s hand, and their full implementation using data on its movement recorded during rehabilitation procedures. The authors of the manuscript present a comparative and quantitative analysis of two options for laying a cable system that drives the patient’s hand and fingers. To determine the best option for laying cables, a parametric study of the amount of work performed and the bending time of one finger was carried out, depending on the options for laying with and without taking into account the load. In the first variant, the cables were laid with small stitches of the order of one centimeter along the lower surface of the finger. In the second variant, the cable passed through the glove in places of natural attachment of tendons to bones. Testing was carried out on the index finger of a relaxed healthy person. At the initial moment of time, the hand occupied a position along the body, the fingers were completely unclenched, while a load was fixed on the distal phalanx. The flexion time of the finger was determined by a touch sensor attached to the palm of the hand. The results of experimental studies showed that cables with a minimum number of attachment points to the base of the exoskeleton in places of natural attachment of tendons to the bone give maximum effort and ensure the achievement of the largest range of possible positions of the phalanges of the fingers. The results of studies of the developed efforts on the part of the device on the fingers of a healthy person are also presented, which allow us to conclude that it can be used for rehabilitation purposes.
Structural Identiﬁability Evaluation of System with Nonsymmetric Nonlinearities
Authors: Karabutov N. N.
Published: February 2024

The complexity of objects and control systems increases the requirements for mathematical models. The structural identifiability (SI) assessment of nonlinear systems is one of the identification problems. Until now, this problem solves by parametric methods using various approximation methods. This approach is not always effective under uncertainty. We apply an approach to SI estimation based on the analysis of virtual framework. There is an objects class whose properties describe by nonsymmetric nonlinearities. The paper generalizes and develops the virtual framework (VF) method for systems with asymmetric non-linearities. Requirements for the system input are formed based on the excitation constancy property and S-synchronizability. Considering S-synchronizability gives VF that most fully reflect nonlinear properties of the system. A method for designing virtual structures based on the measurement information analysis describes. Structural identifiability fundamentals described for systems with symmetric nonlinearities. Splitting of the initial nonlinear system obtains for the VF application. Two methods consider for evaluating SI systems with nonsymmetric nonlinearities (NN) and propose their development on systems with nonsymmetric nonlinearities. Virtual framework almost homotheticity conditions obtain for SI estimation. A NN class with parametric features considers and conditions for estimating their almost homotheticity obtain. Conditions of almost homothety and h-identifiability obtain for systems with NN. The detectability and recoverability proofed for virtual frameworks guaranteed the SI estimation under uncertainty. The conditions under which the nonsymmetric nonlinearity is hypothetical symmetric nonlinearity obtained. The described approach to the SI assessment is general. If the SI of specific nonlinear systems analyzes, then features these systems consider. These features require modification of proposed algorithms and procedures. SI evaluation examples of closed nonlinear systems given under uncertainty and of the excitation constancy fulfillment.
Synthesis of an Observer Providing a Finite-Time State Estimation Based on the Output
Authors: Bui V. H. , Margun A. A. , Bobtsov A. A.
Published: February 2024

The paper proposes a new method for synthesizing a full-order state vector observer for a certain class of linear stationary systems with unknown input signal. Two approaches that ensure the convergence of the estimation error (i.e., the error between the state vector estimate and the true state vector) to zero in a finite time are considered. The convergence time is set by the designer in the process of observer construction. The system parameters are assumed to be known and stationary, but the relative degree (from the measured output and the unknown input) is equal to one. The synthesis process using the first approach consists of two stages. In the first stage two auxiliary observers are used to estimate the initial conditions of the object in finite time. In the second stage, a third observer is introduced into the loop to perform online estimation of the system state vector. All the above three observers have the same structure that provides their insensitivity to the input signal, but different parameters. The second approach uses aggregation of auxiliary observers and introduce a delay operator to estimate the state vector. This method provides convergence of the observation error to zero after a delay time. The paper contains a rigorous mathematical proofs of the performance of the obtained solutions. To demonstrate the effectiveness and operability of the proposed approach computer simulation was carried out in the MATLAB Simulink software environment. A two-channel fourth-order mechanical system is considered as an plant. The simulation results illustrate the convergence of the state vector estimation error to zero in a finite time specified by the developer.
Control of a Wheeled Robot on a Plane with Obstacles
Authors: Mikishanina E. A. , Platonov P. S.
Published: February 2024

The work proposes an algorithm for controlling a wheeled robot in an environment with static and dynamic obstacles. A wheeled robot (WR) consists of a platform, two wheels with a differential drive and one roller, which is used solely for the stability of the structure and does not affect the dynamics of the system. The robot’s motion algorithm assumes its movement from the starting point to the final point in an environment with obstacles. The robot’s motion program is specified through servo-constraints, and the algorithm that implements the motion program is based on the potential field method. In the case of a dynamic obstacle, a repulsive field of a shape elongated in the direction of movement of the obstacle is constructed, allowing the robot to safely go around it. It is possible to change the geometric dimensions of the field using the entered numerical parameters. An algorithm for overcoming a potential hole by a robot is presented, according to which the robot is taken out of the potential hole and directed to a global goal by an introduced fictitious point located outside the critical region (local minimum region) and having its own attractive field. The paper presents the results of numerical simulation of the robot’s movement both in an environment with static and dynamic obstacles, as well as the results of a numerical experiment with overcoming the region of a potential well. Graphs of the required mechanical parameters are presented. The results of numerical simulation confirm the effectiveness of the proposed algorithms.
INTERACTIONS BETWEEN THE MOTIFS OF WESTERN AND EASTERN PHILOSOPHIES IN THE WORKS BY IVAN KARPENKO-KARYI
Authors:   National University of Food Technologies, Kyiv, Ukraine, Naumenko N. V.
Published: February 2024

The author of this article investigated the interactions between the conceits of Occidental and Oriental (Hindu, first of all) philosophies in the play ‘Khazyayin’ (The Master) by Ivan Karpenko-Karyi from the viewpoint of culturological analysis. The ways to interpret the Western paradigm of the writer’s reading were correlated to their hypothetical typological coincidences with Hindu motifs, plots, maxims and realities as the constituents of the play’s artistic world (including the speech and behavior of the characters, their natural and material environment). Therefore, the correlations between the motifs of various philosophies were confirmed as the displays of the writer’s dialogue with Occidental and Oriental cultures on the archetypal level, which is the interpretation of initial philosophical images in their symbolic combinations and, thenceforth, the establishment of their new connotations on Ukrainian cultural background. There was shown that Karpenko-Karyi’s characters set up their own rules of behavior – either for each other or for themselves – which absorb the probable archetypal intentions from West as well as from East. As the matter of fact, the actualization of key maxims and aphorisms of different philosophies (both European and Asian) is apparent in the characters’ appearance and speech. Particularly, it can be epitomized by the figure of Ivan Kalynovych, the teacher, in whose vital philosophy had been quite unexpectedly revealed the Four Noble Truths of Buddhism (the truth of suffering; the truth of the cause of suffering; the truth of the end of suffering; the truth of the path that leads to the end of suffering). On the other hand, the figure of Terentiy Puzyr in Karpenko-Karyi’s comedy is precedent as the collective image of a tyrant described by both Western and Eastern thinkers, considering not only his characteristic appearance (an Ayurvedic Kap’a-type), but also his reluctance to practice what he preached.
EXPRESSION OF THE AUTHOR’S POSITION IN THE EPISTOLARY OF I. KARPENKO-KARYI
Authors:   Taras Shevchenko National University of Kyiv, Kyiv, Ukraine, Pylypei O. V.
Published: February 2024

The article deals with special epistolary as ways of artistic expression of I. Karpenko-Kary’s author’s position. Private letters of writers are considered, author’s points of view in the world are revealed. Based on the analysis, we can say that the letters of I. Karpenko-Kary contain important interesting material for understanding the psychological portrait and creativity of the playwright. The author’s views expressed in the letters can be grouped as follows: philosophical (views on the meaning of human life, harmony, work, its importance in human life); literary and artistic (views on famous contemporaries, attitudes to cultural events, the importance of translation, evaluation of their own theatrical and literary activities); national (views on the native language, the importance of Ukraine, the role of education for youth). Research of the writer’s epistolary allows delving into the artist’s creative laboratory. The analysis of the author’s visions of the world, expressed in letters, helps to reveal the character of the author and serves as a form of expression of literary-critical assessments of his own work and activities of the cultural process in Ukraine in the late nineteenth – early twentieth century. According to I. KarpenkoKary’s correspondence, the playwright was an active participant in this process.
Results of bone grafting using a xenogenic cortical plate BiOTECK
Authors: Brailovskaya Tаtyana V. , Abaev Zoimbek M. , Mikhailova Anna P. , Mamedov Khalil I. , Vedyaeva Anna P.
Published: February 2024

BACKGROUND: The fundamental condition that determines the effectiveness of treatment, with immediate and long-term positive results, is the amount of bone tissue in the jaws at the proposed implantation site. Defects in the dentition to a large extent and severe atrophy of the bone tissue of the jaws due to the loss of teeth significantly limit the use of dental implantation. It is reasonable to expand the indications for the use of dental implants in cases of atrophy of the jaw bone tissue in the installation site. This allows the optimization of surgical techniques aimed at increasing the volume of the jaw bone tissue, such as the use of new osteoplastic materials for guided bone regeneration.
AIM: This study aimed to analyze the results of a jawbone graft using a BiOTECK xenogeneic cortical plate.
MATERIALS AND METHODS: The test group consisted of 22 patients (11 men and 11 women) with jawbone atrophy. All patients underwent bone graft surgery using a BiOTECK xenogeneic cortical plate (BiOTECK, Italy).
In the course of the study, all patients with jawbone loss underwent a dynamic clinical and X-ray examination during the following stages: during the dental implant surgery planning stage aimed at determining the volume of the bone tissue available and identifying the associated conditions and diseases (prior to conducting an osteoplastic procedure), prior to dental implant installation (6 months after osteoplastic surgery), and prior to the start of the orthopedic stage of treatment (12 months after osteoplastic surgery).
RESULTS: The cone beam computed tomography data were analyzed and statistically processed to obtain the results. It was revealed that the values of the “bone densitometry” indicator increased 6 months after the bone graft using the BiOTECK xenogeneic cortical plate, and the values of the “densitometric density of jaw bone tissue” indicator increased.
Immediately after bone grafting using the BiOTECK xenogeneic cortical plate, the thickness of the bone tissue of the upper jaw increased by an average of 5.0±0.1 mm and that of the lower jaw increased by an average of 3.9±0.1 mm. In the first stage of the dental implant surgery (6 months after osteoplastic procedure), due to resorption, the thickness of the bone tissue of the alveolar process of the upper jaw decreased by 1.1±0.1 mm and amounted to 6.8±0.1 mm (bone resorption rate: 13.9%), and the thickness of the bone tissue of the alveolar process of the lower jaw decreased by 0.8±0.2 mm and amounted to 6.6±0.3 mm (bone resorption rate: 10.3%).
CONCLUSION: The clinical and X-ray results obtained 1 year after installing dental implants and performing bone graft surgery using the BiOTECK xenogeneic cortical plate indicate a stable volume of marginal bone tissue in the area of alveolar crest reconstruction.
An Early Cautionary Scan of the Security Risks of the Internet of Things
Authors: Gutlapalli Sai Srujan
Published: February 2024

The Internet of Things is playing an essential role in the evolution of a new and more intelligent world, one in which every aspect of daily life will be governed by it. Concerning the Internet of Things, security is by far the most important issue and component that needs to be addressed. Future generations will have a difficult time finding solutions to the security challenges that we are currently facing since there will be billions or trillions of connected devices in the world. The Internet of Things (IoT) paves the way for a variety of entities and applications that are to the advantage of humanity. Although it is the most important achievement of the decade, it has also given rise to catastrophic situations due to security problems such as threats, vulnerabilities, and assaults on linked and interconnected devices and objects. Despite the fact that it is the most significant accomplishment of the decade, it has also given rise to catastrophic scenarios. Despite this, it is without a doubt the most important accomplishment of the last ten years. Businesses and organizations around the world are lending their support to the ongoing paradigm shift by providing researchers and academics with financial aid. The Internet of Things, which will connect trillions of different devices, is the sector that is anticipated to have the greatest amount of growth over the course of this decade. It is believed that the Internet of Things will bring about a change in the manner in which we communicate. There are several serious risks associated with the Internet of Things, including physical attacks, network attacks, encryption attacks, software attacks, authorization, surveillance, identity theft, vandalism, and secure communication. One of the most significant risks is the theft of personal information. According to the conclusions of this research, none of the security architectures for the Internet of Things incorporate a security layer.
WORKPLACE ENVY, WORKPLACE INCIVILITY, AND JOB SATISFACTION: AN EMPIRICAL STUDY ON NURSES
Authors: PALABIYIK Nida , YIKILMAZ İbrahim , SÜRÜCÜ Lütfi
Published: February 2024

The aim of this study is to determine the effect of incivility and envy behaviors in the workplace on the job satisfaction of nurses. For this purpose, data were collected from 288 nurses working in a hospital in Erzurum with convenience sampling method. In line with the research model, correlation and multiple regression analysis were performed by means of scales whose validity and reliability were tested. As a result of the analysis, it was determined that workplace incivility and workplace envy had a negative effect on nurses' job satisfaction level.
Empowering Slow Learners: Gamification’s Impact on Students’ Engagement and Academic Performance in an LMS for Undergraduate Students
Authors:   Faculty of Letters, State University of Malang, Indonesia, Slamet Joko
Published: February 2024

Amidst the growing urgency to elevate student engagement and bolster academic performance within educational environments, the application of gamification has emerged as a promising avenue. In response to this imperative, the present research investigates the consequences of integrating gamification into the eLSIDA, a specialized Learning Management System (LMS) at STKIP PGRI Sidoarjo, meticulously designed to cater specifically to the needs of undergraduate students classified as slow learners. Using a single-group pre-experimental design, the study involved nineteen undergraduate students who experienced an enhanced learning opportunity by incorporating gamification techniques into the General English (GE) course offered through eLSIDA. By meticulously analyzing both quantitative and qualitative data, this study investigates the multifaceted impact of gamification on student engagement and academic accomplishments. The results reveal a notable surge in student engagement, characterized by heightened interaction with learning materials and active participation in LMS activities. Furthermore, the discernible progress in academic performance among the slow learners is evidenced through elevated assessment scores and an overall enhancement in academic outcomes. This study highlights gamification’s potential as a powerful tool for enhancing support and empowering slower learners within the LMS environment. The knowledge acquired from this study provides essential direction for educators and instructional designers seeking innovative approaches to effectively address the wide range of learning needs among students.
Anti-ageing effects of CollabZen™ in healthy human volunteers: a randomized, double blind, placebo-controlled study
Authors: Gadani Mihir C. , Badak Sneha , Upadhyay Ratna
Published: February 2024

Background: There are several concerns related to combating signs of ageing. Considering the long-term safety concerns of cosmetic formulations, a safe and effective approach using nutritional supplements and naturals should be of great help. CollabZenTM is one such a blend of three plant materials known as Phyllanthus emblica, Camellia sinensis, and Coffea arabica, earlier tested for collagen building in human cells in-vitro. The current study aims to explore its potential as a nutraceutical product for skin ageing.
Methods: The study enrolled 64 volunteers both genders (mean age=45.75) with crow's feet wrinkles. One group (n=32) received a placebo capsule (Product A) and other group received CollabZenTM capsules (Product B). Dermatological parameters were assessed at 0th day, 4th and 8th week, and self-assessment questionnaires for efficacy and tolerance were collected on 4th and 8th week. The trial is registered at https://ctri.nic.in/, CTRI/2022/10/046168.
Results: The results showed that product B (CollabZenTM) was significantly effective than the placebo in improving deep skin hydration on the face (p=0.009), increasing facial skin elasticity (p=0.001), and enhancing firmness (p=0.001) after 8 weeks. Participants in Group B reported higher levels of satisfaction regarding their perceived skin health compared to group A based on self-assessment at the 8th weeks (p<0.01). Moreover, only one volunteer in each group experienced mild intolerance at the end of 8th week, demonstrating the safety of these nutraceutical ingredients and excipients.
Conclusions: CollabZenTM, with its known antioxidant and collagen-boosting properties and current findings can be considered a valuable nutraceutical product for the anti-ageing sector of the cosmetic industry.
Hydrocarbon Wealth Management: Rejuvenation of a Brown Field through Analysis of Existing Water Injection System
Authors: Pratap Mahendra , Yadav Sudhir
Published: February 2024

A private company acquired operatorship of a brown oil field in 2020 from a National Oil Company (NOC) of India to enhance production from the field. Due to Covid-19 outbreak, operatorship was transferred in 2021. Soon as the company took over the operation, it met with surprises in terms of a smaller number of flowing oil wells due to operational reasons. However, the most disturbing was the significantly lower field water injection rate than reported by the NOC. The company undertook pressure measurement in wells to find reasons for production non-sustainability and reduced injectivity. Based on poor analysis of pressure data, the best injection well in the largest producing reservoir was interpreted to be hydrodynamically unconnected with the up-dip producers and recommended for disconnection from injection network by subsurface team to increase water injection rate from the remaining injectors. The study team reviewed the geological model and categorically ruled out discontinuity of the sand body with its up-dip producers. The Management ordered third-party review to resolve uncertainty and suggest remedial measures to improve water injection performance. The review of historical production, injection, pressure data and movement of oil water contact with time has improved the understanding of the inter and intra reservoir pressure communications in the field. The data synthesis has confirmed sand/hydrodynamic continuity between producers and injectors. Performance review of injection wells and the Water Injection Plant (WIP) have brought out bottlenecks in the system. The poor-quality injection water and the lapses in upkeeping of WIP were the primary reasons for loss of injectivity. WIP revamping and replacement of the existing oversized micron filter with smaller size have been recommended. To ensure uninterrupted water injection, conversion of one injector to pilot dump flooder has been suggested, a first of kind in India.
Luminescence Spectroscopic Investigation of Eu3+ Doped Oxides: Review
Authors: N. Kamalashri  , B. V. Nagesh  , K. N. Prathibha  , R. Hari Krishna
Published: February 2024

Given their potential utility in a variety of fields, including solid-state lighting, flat-panel displays, solar energy converters, optical amplifiers, and more, phosphors and glasses driven by Rare Earth (RE) ions and emitting multiple colors have attracted a lot of interest. Full-spectrum lighting, high-efficiency near-infrared emission, and wide colour gamut display are the primary difficulties for these emerging RE doped phosphors, which are dependent on the emission characteristics of the phosphors utilized. The various methods of synthesis for Eu3+ activated red emitting phosphors are discussed, with an emphasis on the aspects that contribute to improved luminous performance. This luminescence analysis is used in investing the Crystal structure and defects in metal oxides from which it provides information on the chemical and mechanical behavior of metal oxides during mining and processing operations. In this description, we outline the research findings and talk about the luminescence theory of the Eu3+ doped glasses and oxides for the red emission.
Effect of Sodium Iodide on Structural, Electrical and Optical Properties of Polyethylene Oxide/ Carboxymethyl Cellulose Blends
Authors: B. N. Samartharama  , M. R. Ambika  , T. Demappa  , N. Nagaiah
Published: February 2024

The production of highly potential Solid Polymer Electrolyte (SPE) materials has been the subject of extensive research. Due to their high flexibility, superior processability and enhanced resistance to electrodes during the charging/discharging process, they found to exhibit wide applications when compared to liquid or gel. In the present study, SPE films with 30/70 composition of Polyethylene oxide/Carboxymethyl cellulose blend, doped with Sodium Iodide (NaI) were prepared using a simple solution cast technique. The optical properties of the prepared samples were studied by UV–Vis spectroscopy technique and the results show that, the energy band gap decreases with the increase of salt concentration which is due to the enhancement of amorphous nature with the concentration of salt and is as evidenced from X-Ray diffraction studies. The electrical properties of the samples were studied using impedance analyser. The dielectric constant of the prepared samples decreases exponentially with frequency of applied electric field. In addition, the AC conductivity of the blend was found to increase with increase in salt concentration and the maximum conductivity was observed for 0.03% NaI salt doped Polyethylene oxide/Carboxymethyl cellulose blend. Thus, the said samples can be used in the preparation of SPE’s
The Onset of Instability in A Magnetohydrodynamic Channel Flow through Porous Media of Casson Fluid
Authors: D. L. Shivaraj Kumar  , M. S. Basavaraj  , N. Kavitha
Published: February 2024

A detailed study is made on the stability of linear two-dimensional disturbances of Plane Poiseuille Flow (PPF) of Casson fluid through porous media in the presence of a vertical uniform magnetic field, B0 which is extremely useful in metals, mines, and fuels industries. Using the method of normal modes, the disturbance equations are derived. The resulting eigenvalue problem is then solved by the spectral collocation method using Chebyshev-based polynomials. The critical values of the triplets ( Rec, αc, cc ) are obtained for various values of the Casson parameter, η , Hartmann number, Ha , and porous parameter, σp. The stability of the system is discussed using the neutral stability curves for each value of the parameters present in the problem. It is found that the stability regions are enlarged for small values of η and large values of the porous parameter, σp and Hartmann number, Ha. It is also observed that the stability characteristics of plane Poiseuille flow in a porous medium are remarkably different from non-porous cases. The results obtained here contribute to the contemporary efforts to better understand the stability characteristics of PPF of Casson fluid flow through porous media in the presence of a uniform transverse magnetic field.
Numerical Study of Unsteady Boundary Layer Flow through A Vertical Surface with Convective Boundary Conditions
Authors: M. Uma  , S. Sushma  , N. Srikanth  , B. N. Veena
Published: February 2024

In the present-day paper the effort is to see the properties of heat allocation over a vertical flat surface for an unsteady mixed, boundary layer convective flow. The non-linear partial differential equations of the present model are transformed in to ordinary differential equations by means of suitable similar transformations. The consequent ordinary differential equations are resolved mathematically by means of MATLAB program bvp4c and discussed the effects of skin friction, suction and injection for temperature and velocity.
Study of Radiative Heat Transfer of Third-Grade Nanofluid Flow with Variable Viscosity in PostTreatment Analysis of the Wire Coating Process
Authors: Hegde Soniya , N. Srikantha
Published: February 2024

Wire coating technology plays a pivotal role in ensuring the efficiency, safety, and sustainability of mining operations. Its contributions go beyond the surface, impacting various aspects of mining activities, from safety compliance to energy efficiency and environmental responsibility. To attain maximum efficiency in the wire/cable coating process, the foremost concern of any scientists, experts and technologists is to consider the concept of wall shear stress, heat, and mass transfer phenomenon in the interior of dyes. The fundamental requirement of the coating process is to improve the rate of heat transfer. Therefore, the purpose of the current work is to ascertain how suspended nanoparticles influence the phenomenon of heat and mass transfer rate during the post-treatment of the coating process in the presence of third-grade liquid. The Buongiorno model is employed to examine the thermophoresis and Brownian features of nano-liquid. The governing equations are formulated and simplified using suitable non-dimensional parameters. Solutions for the non-linear differential equations are obtained numerically. The outcome of various pertinent parameters on momentum, thermal, and nanoparticle concentration profiles are delineated graphically. Further, regression analysis has been carried out to understand the importance of the correlation between heat transfer rate and flow control parameters.
Numerical Technique for a Darcy-Forchheimer Casson CuO-MgO/Methanol Hybrid Nanofluid Flow due to an Elongated Curved Surface with Chemical Reaction
Authors: Roopa K. R. , P. A. Dinesh  , Yadav Sweeti , M. V. Govindaraju
Published: February 2024

The insight of the present work is for analyzing the Darcy-Forchheimer model on energy and mass transfer fluid flow with the impact of CuO and MgO metallic nanoparticles with methanol as base fluid due to an elongated curved surface in uniform porous media numerically. For the two-dimensional physical model, the governing nonlinear coupled partial differential equations are derived with suitable boundary conditions and in turn, using appropriate similarity transformation transferred to nonlinear coupled ordinary differential equations. Runge-Kutta Felhberg (RKF) computational results are carried out using Maple software to understand the characteristics variations of momentum fluid flow, heat and mass transfer on various control non-dimensional parameters of the model viz local Reynolds number, Schmidt number, porosity and curvature parameters. The findings are shown numerically and graphically to demonstrate the performance of flow-related physical parameters on energy, velocity, and concentration patterns. Furthermore, the Nusselt number, skin friction coefficient and Sherwood number for the currently stated system are numerically computed. The Prandtl number denotes the deterioration of the temperature profile's performance. It is believed that increasing the Casson parameter value lowers the velocity field. Moreover, the concentration field declines as the Schmidt number grows. The findings are compared to previous studies which turn out to be in good accord.
Mixed Convection of a Hybrid Nanofluid Flow with Variable Thickness Sheet
Authors: S. Sushma  , M. Uma  , B. N. Veena  , N. Srikanth
Published: February 2024

The heat transfers of a hybrid nanofluid flow with steady, mixed convection over a variable thickness is investigated in the present work. The non- linear PDE’s of the physical model are converted into ODE’s by means of suitable similarity transformations. The subsequent ODE’s are solved using MATLAB and shown the effects graphically for the parameters like wall thickness, mixed convection, velocity index for both nf and hnf, Nusselt number and Skin friction for hybrid nf.
Effect of Uniform and Space-Dependent Heat Source on the Onset of Buoyancy-Driven Convection in Viscosity Fuels: A Linear Theory
Authors: A. S. Aruna  , M. V. Govindaraju  , Vijaya Kumar
Published: February 2024

The viscosity of fuel oil is significantly influenced by temperature, with higher temperatures leading to lower viscosity. To ensure optimal combustion, it's crucial to maintain the fuel's viscosity within a specific range. With regard to variable, spacedependent and uniform heat sources, the impact of variable viscosity on the stability of Buoyancy Rayleigh-Bénard convection is demonstrated. The impact of non-inertial acceleration on natural convection is also studied in the problem. The Fourier series representation of stream function, temperature distribution describes how to derive an analytical expression for the thermal Rayleigh number. Here we noticed that the heat source parameter, the viscosity parameter, and the Taylor number effect the stability of the fluid system. Also, it is demonstrated here the impact of rotational strength accompanied with the stabilized system, where as an increase in the internal Rayleigh number and thermorheological parameter is to destabilize the same. It is also observed that, it is possible to control convection by proper tuning these parameters. A comparative study of external Rayleigh number and stability analysis for the onset of instability is presented in the problem. Some of the important new results have been revealed in the context of heat sources
Free Vibration Response of Functionally Graded Porous Metallic Plates Embedded with Piezoelectric Layers
Authors: Choudhary Prashant Kumar , Ranjan Kumar  , Subodh Kumar
Published: February 2024

The objective of this study is to determine the natural frequencies of Functionally Graded (FG) metallic plates comprising piezoelectric layers on both the top and bottom surfaces. The material characteristics of the FG plates are expected to exhibit a gradual variation along the thickness direction in accordance with a power-law model along with porosity. The governing equations are derived using the principle of virtual displacements, taking into account the first-order shear deformation plate theory. A commercial finite element programme in ANSYS Parametric Design Language (APDL) is developed to compute the natural frequency and mode shapes of functionally graded porous plates embedded with piezoelectric layers. The obtained natural frequencies results are used for different boundary condition to show their variations with respect to the constituent volume fractions, boundary condition, and piezoelectric thickness for the parameteric study. The present paper highlights some important characteristics of Functionally Graded Materials (FGM) plate embedded with piezoelectric layers that can be advantageous in the design of smart structures.
Analysis of Thermal Performance of Various Battery Packs and Materials Used in Electric Vehicles: A Review
Authors: Shrivastava Pratiksha , A.C. Tiwari
Published: February 2024

Electric powered vehicle popularity gives us better option for reducing the hydrocarbon emissions for the clean environment and will help to minimizing the troposphere of ozone degradation. Evs that are powered by batteries are becoming more commonplace worldwide. A strong Battery Management System (BMS) is essential for the reliable and safe operation of batteries, which have been widely used in many large power applications, including EVs and hybrid EVs. Their optimal plan and the management are significant for safe and beneficial tasks. This review paper examined with about the oldest kind of battery-latest powered battery (Pb-acid battery) and the most recent innovation of battery, lithium-ion battery. The present paper deals about the recent improvement in three important areas like Battery pack shape, different battery material and thermal behaviour which covered main challenges for EVs operation.
Metallurgical Properties of CeLa Substituted Bio-Glass Ceramics
Authors: Mondal Priyam , Md. Ershad  , Kumar Ranjan
Published: February 2024

To set up a bioglass of general structure given in Table 1. These five samples were ready in a crucible made up of alumina through a melting temperature of 1400±10 oC and normalized it. The glass powder pallet was made by the press and submerged in Simulated Body Liquid (SBF) in various time spans, and they’re not entirely settled by FTIR examination. The morphology of the surface resolved to utilize a Checking by (SEM). pH estimation of bioactive glass was done by pH meter and mechanical properties like Microhardness and Flexural strength were determined and found that it increases with increasing the concentration of REEs. The developed CeO2 and La2O3 incorporated bioactive glasses were also found to enhance mechanical properties. Thus, the glasses with CeO2 and La2O3 can be suitable candidates for bone implant application.
Effects of Lavender Aqueous Extract on the Levels of Oxidative Stress Markers in the Sera and Tissues from Male Sprague–Dawley Rats with Chronic Mild Stress Induced Depression
Authors: Ghadim Mir Behrad Aghazadeh , Amir Mahmoodzadeh , Asma Neisy , Zahra Khoshde
Published: February 2024

Background & Objective: Oxidative stress is associated with the pathology of various neuropsychiatric disorders, such as depression and anxiety. The aim of the study was to examine the impacts of the lavender aqueous extract (LAE) on the levels of oxidative stress markers in an animal model with chronic mild stress induced depression.
Materials & Methods: 36 adult male Sprague–Dawley rats were haphazardly split into 6 groups (n=6). Rats in the test groups were put through five weeks of chronic mild stress. The sucrose preference test (SPT) confirmed depressive-like behaviors in the rats. Rats in both unstressed and stressed control groups received LAE (200 or 400 mg / kg) and distilled water respectively. The specific activities of superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR), glutathione peroxidase (Gpx), malondialdehyde (MDA) and as well as the total content of glutathione (GSH) were examined in the serum, liver and prefrontal cortex (PFC) using colorimetric assays.
Results:  The stress group experienced a significantly decreased level of GSH, SOD, GR, Gpx and CAT, and a statistically considerable augment in MDA level in in the serum, PFC and liver p<0.05.  LAE at both doses significantly reversed the depression-caused oxidative stress markers in all the studied tissues. No significant difference was observed between the two used dosages of LAE.
Conclusion: LAE is able to ameliorate depression-induced pathology possibly through anti-oxidant activity.
Concordance of HER2 Status between Core Needle Biopsy and Surgical Resected Specimens of Breast Cancer: A Narrative Review
Authors: Maryam Maghbool , Babak Samizadeh
Published: February 2024

Background & Objective: HER2, a molecular biomarker, is routinely evaluated in breast cancer patients to guide therapeutic decisions. However, the concordance of HER2 status between core-needle biopsy (CNB) and surgical specimen (SS) samples is not always high, potentially affecting the accuracy of diagnosis and treatment. This study aims to review recent studies assessing the agreement of HER2 status between CNB and SS samples in breast cancer patients.
Materials & Methods: A literature search was conducted in PubMed, Scopus, and Google Scholar databases from January 2018 to August 2023 using the keywords: concordance, core needle biopsy, resection, HER2 status. Ten articles meeting the inclusion criteria were selected for this review.
Results: The results demonstrated variable concordance rates of HER2 status between CNB and SS samples, ranging from 83.3% to 99.5%. The primary factors influencing discordance were tumor heterogeneity, preoperative treatment, sampling error, and differing testing methods. Discordance was more prevalent in HER2-negative and HER2-low tumors compared to HER2-positive tumors.
Conclusion: The concordance of HER2 status between CNB and SS samples is generally high but not perfect. Therefore, retesting HER2 status on SS samples is recommended to ensure optimal treatment decisions for breast cancer patients.
Re-examining the Relationship Between Indicators of Program Quality and Learning Leadership at NOLS
Authors: Froehly Michael , Riley Michael , Sibthorp Jim , Rochelle Shannon
Published: February 2024

Creating high-quality programming is essential for fostering learning and development among youth. Outdoor adventure education programs have long been associated with the development of important transferable skills, such as leadership. This study used multi-level modeling to examine the association between six program quality indicators—reflection, sense of empowerment, sense of belonging, instructor-student relationships, group safety, and group functioning—and perceived leadership learning among NOLS students using the revised NOLS Outcome Instrument (NOI 2.0) which built upon the original NOI (see Sibthorp et al., 2007) and assesses more recent NOLS leadership outcomes. Results, from the 891 youth who participated in one of 105 multi-week NOLS courses, indicated that all of the modeled program quality indicators predicted leadership learning. Specifically, providing opportunities for reflection, facilitating a sense of empowerment, promoting a sense of belonging, cultivating positive instructor-student relationships, fostering group safety, and aiding group functioning remain desirable qualities of OAE programs.
New forms of family care in cultural and institutional contexts. Introduction to the Special Collection
Authors: Eggers Thurid , Grages Christopher , Pfau-Effinger Birgit
Published: February 2024

Objective: This special collection aims to contribute to theory and research on the cultural and institutional contexts of care and on the relationship between care policies, gender and the family.
Background: Since the 1990s, many European welfare states have not only extended social rights and infrastructure related to extra-familial care, but have also expanded support for care by family members. So far, research on family care in the context of contemporary care policies remains scarce.
Method: The special collection’s seven articles present theoretical debates related to family care and apply research on cross-national differences and intergroup differences using a variety of quantitative and qualitative methods.
Results: By taking a multidimensional perspective on family care for older people, the special collection offers new insights into institutional and cultural family care contexts, the social risks and scope of action connected with family care and the consequences of the development of care policies for the relationship between family, gender and care.
Conclusion: The special collection demonstrates that the systematic analysis of the development of family care in its institutional and cultural contexts, as well as the consequences for the development of social risks and scope of action connected with family care, enhances our understanding of the changing relationship between family, gender and care.
Hubungan Beban Kerja terhadap Kepuasan Perawat di Masa Covid-19 di Rumah Sakit
Authors: Rizany Ichsan , Yakin Rahimul , Agnina Fitria
Published: February 2024

Pendahuluan: Beban kerja perawat mengacu pada segala aktivitas atau kegiatan yang dilakukan oleh perawat selama bekerja di departemen pelayanan keperawatan. Beban kerja yang melebihi kemampuan perawat sehingga mengakibatkan kondisi fisik perawat mudah lelah dan tegang .Selama masa pandemi COVID-19 kepuasan kerja sangat penting untuk mencegah daripada kejenuhan, mengurangi perasaan cemas dan tertekan.
Tujuan : Untuk mengetahui hubungan beban kerja terhadap kepuasan perawat di masa covid-19 di Rumah Sakit
Metode: Menggunakan jenis penelitian kuantitatif dengan teknik cross sectional. Teknik pengambilan sampel dengan cluster random sampling kepada perawat sebanyak 119 responden. Penelitian ini dilaksanakan di RSUD Ansari Saleh dan RSD Idaman. Pengambilan data memakai kuesioner, uji analisis menggunakan uji korelasi Pearson.
Hasil : Pada variabel kepuasan kerja dengan beban kerja menunjukkan nilai p value < α (0,02 < 0,05) dan nilai r yaitu – 0,284 di RSUD Ansari Saleh, p value < α (0,001 < 0,05) dan nilai r yaitu – 0,612 di RSD Idaman. Dapat disimpulkan bahwa ada hubungan yang signifikan antara kepuasan kerja dengan beban kerja perawat di RSUD Dr. H. Moch. Ansari Saleh Banjarmasin dan RSD Idaman Banjarbaru.
Kesimpulan: Ada hubungan yang signifikan antara kepuasan kerja dengan beban kerja perawat di RSUD Dr. H. Moch. Ansari Saleh Banjarmasin dan RSD Idaman Banjarbaru
Dampak Perceraian Orangtua Terhadap Perkembangan Psikososial Anak: A Scoping Review
Authors: Kurniawan Kurniawan , Nur’aeni Yuni , Nugraha Puput , Maysarah Vivi , Revindha Laras , Zahra Siti
Published: February 2024

Latar belakang: Tingginya kasus perceraian pada orang tua berdampak besar bagi pertumbuhan dan perkembangan anak. Tujuan: untuk mengetahui dampak perceraian orang tua terhadap perkembangan psikososial pada anak. Metode: pendekatan studi menggunakan scoping review dan menggunakan 3 database yaitu PubMed, CINAHL dan Scopus. Hasil: Terdapat enam studi menjabarkan terkait dampak yang terjadi akibat perceraian tersebut bagi anak diantaranya menimbulkan gangguan perkembangan pada kepribadiannya, baik itu mental, intelektual, emosi intelektual, maupun mental psikososial diantaranya muncul perasaan kesedihan, ketakutan akan ditolak, dibuang, ketidakberdayaan, marah, sakit hati, kesepian, bersalah, menyalahkan diri sendiri, serta kecemasan hingga merasa dikhianati oleh orang tuanya. Kesimpulan: Perceraian pada orang tua menyebabkan anak tidak dapat belajar dengan baik bahkan membawa pengaruh yang negatif terhadap perkembangan psikososial anak dalam masa pertumbuhannya. Oleh karena itu suasana keluarga yang bahagia sangat diperlukan dalam perkembangan sosial dan emosional anak.