bluuebunny/crossref_metadata_2025 huggingface dataset:
The Relationship between Technology Readiness and Smart City Performance in Dubai
Authors: Fanar Shwedeh  , Norsiah Hami  , Siti Zakiah Abu Bakar  , Fadhilah Mat Yamin  , Azyyati Anuar
Published: January 2023

Unlike any other city, Dubai is proactive in foreseeing the congestion issue popular among the cities. Therefore, the government supported the implementation of the smart city in Dubai. This research identifies a crucial factor that influences smart city performance. This factor is technology readiness. Focusing on Dubai, the objective of this paper is to determine the causal relationship between technology readiness and smart city performance. Due to the movement restriction during the data collection period, the researcher resorts to data collection via an online platform, where an online survey link was sent out to identified and targeted samples which consists of civil servants. The study employees Partial Least Squares Structural Equation Modeling (PLS-SEM) to determine the relationship between the constructs. The results revealed a significant relationship between technology readiness and smart city performance. The implication of this research showed that the availability of technology readiness is a crucial factor in ensuring smart city performance.
Ramp Design Standards for Carporch at Housing Sector in Double Storey House to Accommodate Low Clearance Vehicle
Authors: Siti Nur’Syazwani Mohd Shamsaidy  , Norhidayah Md Ulang
Published: January 2023

This research aims to evaluate and propose effective gradient at car porch area for the housing sector. The dependent variable that acts as presumed effect is vehicle to stuck and become lodged but the independent variable is referring to the car clearances dimension, design of the ramp and guidelines in ramp design. In other words, the situation of the vehicles to stuck and lodged depends on the car clearances dimension, design of the ramp and guidelines in ramp design. Interview sessions were held with the professional architects and engineers in the engineering department at Majlis Bandaraya Seremban, DBKL, Majlis Bandaraya Melaka, Majlis Bandaraya Johor Bahru, Jabatan Kerja Raya (JKR) and consultant firms. During the interview session, four aspects of this matter were discussed to explore the existing standards and guidelines in ramp design for car porch at housing sector in double storey house to accommodate low-clearances vehicles. The feedback from the professionals was analysed by narrative analysis method and the result of the study will be valuable to the construction industry and tools for future design. These data can be used to estimate the suitable degree and percent for different categories of ground clearances which is useful for current development and current technology circulation.
The Role of HVAC Filters In Reducing Airborne Disease Transmission: A Review
Authors: Mohamad Azil Muzammil Baharudin  , Mohd Hafizal Mohd Isa  , Hazril Sherney Basher
Published: January 2023

Since 2019, the Coronavirus infection has substantially impacted the worldwide ecosystem. This disease has apparently become airborne and has spread globally. Most daily activities have been curtailed to prevent the spread of the disease. Several measures have been devised by the World Health Organization to control the transmission of disease among humans. However, interior spaces are also crucial because individuals spend most of their time inside. To improve the interior living environment, it is necessary to develop a way to prevent the spread of airborne diseases. To obtain the desired level of efficiency and the requisite level of health for people to stay indoors, it is essential to install an efficient ventilation system. To avoid the transmission of airborne infections in confined areas, the purpose of this work is to examine the impact of the filtering mechanism in a controlled environment provided by Heating, Ventilation, and Air Conditioning (HVAC) systems. According to the study, ventilation, along with MERV13 or above recirculating filters, for instance, must be used (High-Efficiency Particulate Air) This criterion can be met with HEPA or a combination of outside air, filtration, and air-cleaning technology. To reduce the transmission of airborne diseases, the outcome of the study will result in a more effective installation of the mechanism of HVAC systems in interior environments.
Low-Cost of Fix-Wing Prototype Using Zimmerman Design
Authors: Yaakob Mansor  , Sharudin Omar Baki  , Ikhwan Syafiq Mohd Noor  , Emma Ziezie Mohd Tarmizi  , Nor Azah Abdul Aziz  , Zulhilmy Sahwee
Published: January 2023

This paper discussed the design and development of a fix-wing UAV that uses a Zimmerman parameter. To increase structural strength, a material made of expanded polypropylene and expanded polystyrene was used. Using a bagging vacuum technique for 24 hours, the structural strength procedure thoroughly combines the resin and fiber. The Zimmerman graph, generated at speeds between 50,000 and 200,000 using Reynolds Numbers (RE), was analyzed using three key variables: the coefficient of lift, drag, and the angle of attack (Alpha) of the airfoil. At 10o, the airfoil started to stall based on indicated coefficient used. The test flight is also comprised of pitch and roll flight with adequate force and little overshoot between the autopilot's requirement and the small aircraft's actual performance.
Performance Evaluation of CAM Broadcast Message and Vehicle Safe Distance Under Nakagami-m Radio Channel Conditions
Authors: Nurul Syuhada Shaari  , Mohd Sayuti Hassan  , Siti Fairuz Mohd Radzi
Published: January 2023

Many potentials exist in the 5G era for effectively managing vehicle safety on the road. The European Telecommunications Standards Institute (ETSI) 5G C-V2X standards for Cooperative Aware Messages for Intelligent Transport Systems (ITS) provide necessary upper-layer requirements for safety message distribution between vehicles using Cooperative Aware Messages (CAM). In addition, the Long Term Evolution (LTE) mobile radio technology in Release-14 has two modes of communication, mode 3 and mode 4, to facilitate vehicle-to-vehicle communications. The focus of this study is on vehicle communications in a mode 3 environment, in which the cellular network chooses and manages the radio services utilised by vehicles for direct vehicle-to-vehicle communication. The performance modelling of Safety Avoidance Time (AT) and safety CAM message broadcast for vehicle-to-vehicle communication in LTE C-V2X under the Nakagami-m radio channel, which has two components, LOS and NLOS, is studied in this thesis. Under the Nakagami-m radio channel, the LOS and NLOS components will affect the CAM message disseminating to other vehicles within safe time gaps. Therefore, the aim of this study is to look into the various radio channel characteristics in a vehicle-to-vehicle communication environment that are related to CAM message dissemination and vehicle safe distance, as well as to evaluate the performance of the relationship between PDR, throughput, and transmit power proportional to safe time gaps under the Nakagami-m radio channel with various setting shape factors.
A Critical Review of Hybrid Electric Vehicles
Authors: Zishan Ahmad  , Mohammad Junaid Khan  , Md Naqui Akhtar
Published: January 2023

As per the growing consumption of fossil fuels and their significant harmful impact on the environment, the fuel-efficient vehicle is highly preferable and thus its development is greatly accelerated. Hybrid Electric Vehicles (HEVs) have proven to be a better choice. Along with better fuel efficiency, and reduced emissions in compliance with the environmental laws, it lessens the crucial impact of rising gasoline prices on consumers. The HEVs include the electrical and internal combustion engine propulsion system. This work discusses a thorough analysis of the HEV components including the architecture, the mathematical model and their Technology.
Cylindrical Dielectric Resonator as Dielectric Matching on Microwave Amplifier for the Unconditionally Stable and Conditionally Stable Transistor at 5 GHz Frequency
Authors: Rashidah Che Yob  , Nor Muzlifah Mahyuddin  , Mohd Fadzil Ain  , Mohd Aminuddin Jamlos  , Nur Hidayah Ramli  , Norfatihah Bahari  , Mohd Wafi Nasrudin  , Liyana Zahid
Published: January 2023

Stability and matching techniques on microwave amplifier have been an important consideration to maintain their required performances, but typically its frequency dependent. Thus, a frequency variable mechanism is required. The dielectric matching employing the stability and matching techniques on microwave amplifier with cylindrical dielectric resonator has been investigated and realized. The cylindrical dielectric resonator (CDR) with parallel microstrip lines is proposed at 5 GHz frequency for unconditionally stable and conditionally stable transistor as dielectric matching. Hence, the proposed dielectric resonator with +2 mm spacing and 155˚ of curved configuration indicated the best performances for preliminary study. The result improves the performance of the parallel inhomogeneous CDR by 9.77%. Subsequently, the homogeneous CDR is also successfully working as the variable frequency mechanism for unconditionally stable and conditionally stable transistor at 5 GHz frequency in maintaining their stability performances.
Evaluation of Fracture Properties of One and Two-Layer Porous Asphalt Subjected to Clogging
Authors: Babak Golchin  , Noor Halizah Abdullah  , Meor Othman Hamzah  , Ahmad Shukri Yahaya
Published: January 2023

An important requirement for asphalt mixtures is its fracture resistance that would influence the service life, maintenance and management of the pavement networks. Clogging may affect the fracture resistance of porous asphalts. In this paper, One-layer and Two-layer porous asphalt specimens were fabricated using conventional and modified binders. Specimens were conditioned under laboratory-simulative clogging process at different temperatures. The semi-circular bending test was used to characterize the fracture resistance of porous asphalts subjected to these clogging procedures. One-way ANOVA and general linear model were applied to analyse the test results statistically. The analyses indicated that clogging significantly affects fracture toughness, maximum load, and displacement of porous asphalts. In addition, mix type (One and Two-layer porous asphalt) and asphalt binder type have significant effects on the fracture resistance.
An Investigation of Thermal Comfort in Classrooms in the Tropical Savanna Climate
Authors: Tajudeen Dele Mustapha  , Ahmad Sanusi Hassan  , Muhammad Hafeez Abdul Nasir  , Hilary Omatule Onubi
Published: January 2023

Studying the thermal environment in classrooms is essential due to its impact on students' health, teaching, learning, and productivity. In the Nigerian context, there is a general lack of thermal comfort studies, and none specifically relate to secondary school settings. This study aims to investigate students' perceptions of the indoor thermal environment and to determine the optimum temperature in naturally ventilated classrooms in the tropical savanna climate. Field investigations were conducted in free-running classrooms in Abuja to evaluate occupants' thermal comfort and perceptions. The study involves 901 pupils from 21 classrooms. Data were obtained through physical measurements of thermal comfort variables and a questionnaire survey on occupants' perceptions of the indoor thermal environment. The objective assessment indicated that 86% of the classrooms were inconsistent with the ASHRAE standard–55. Although 60% of the pupils were satisfied with their thermal environment, 78% preferred a cooler than neutral temperature. The result revealed a comfort temperature of 28.9 oC. The results extend the literature on thermal comfort in classrooms to the tropical savannah climate of the west African sub-region, which has received little attention in earlier research. The findings provide foundation data for developing a comfort standard for classrooms in the zone.
Contribution of Türkiye to the Field of Endodontology: A Visualized Bibliometric Analysis Based on Web of Science
Authors: ÖZDEMİR Olcay , ÖZBAY Yağız , YILMAZ ÇIRAKOĞLU Neslihan
Published: January 2023

Aim: To determine the current status and trend of endodontic research in Türkiye.Materials and Methods: A comprehensive literature survey was conducted using the Clarivate search engine. Keyword selection was as follows: “Endodontics” and “Türkiye”. All publications until May 2022 were included. The search was restricted to endodontics. Title, first author, country/institute, journal name, publication year, citation, abstracts, and keywords were recorded. VOSviewer version 1.6.10 software was used to map the bibliometric network of the exported data that has an automatic term identification algorithm.Results: A total of 672 articles between 1985-2022 years were included. The scientific contribution rate of Türkiye was found 4.12% in the field of Endodontology. The highest number of publications is in the category of ‘Dentistry Oral Surgery Medicine’ with 588 articles and 384 (73%) published by Journal of Endodontics.Conclusion: This bibliometric analysis highlights Türkiye’s contribution to the field of Endodontology. Research articles have been contributed by various authors and institutions.
POWER PYRAMID, HIDDEN DEBT, AND CHINA’S URBAN EXPANSION
Authors: Zhang Juanfeng , Li Lele , Zhang Danxia , Han Rui , Zhou Jiangxing , Zhang Lihua
Published: January 2023

Chinese urban spatial expansion leads to inefficient use of land resources. This study uses the data of 289 cities from 2007 to 2018 and uses panel data models to test the driving mechanism of urban expansion. The study derives three conclusions. First, there is a significant positive correlation between urban power hierarchy and urban spatial expansion. If the urban administrative power hierarchy is high, then the urban built-up area increases more. Second, there is a significant positive correlation between the scale of hidden debt and the expansion of urban space. The increase of the urban investment bonds’ scale will promote the expansion of urban built-up areas. Third, there is a significant positive correlation between the quantity of bond issuers and urban spatial expansion.
The Eclipsing Binaries from the LAMOST Medium-resolution Survey. III. A High-precision Empirical Stellar Mass Library
Authors: Xiong Jianping , Liu Chao , Li Jiao , Li Jiadong , Zhang Bo , Chen Xiaodian , Luo Changqing , Cao Zihuang , Zhao Yongheng
Published: January 2023

High-precision stellar masses and radii measured directly from binaries can effectively calibrate stellar models. However, such a database containing full spectral types and a large range of metallicity is still not fully established. A continuous effort of data collection and analysis is requested to complete the database. In this work, we provide a catalog containing 184 binaries with independent atmospheric parameters and accurate masses and radii as the benchmark for stellar mass and radius. The catalog contains 56 new detached binaries from the LAMOST medium-resolution spectroscopic survey and 128 detached eclipsing binaries compiled from previous studies. We obtain the orbital solutions of the new detached binaries with uncertainties of masses and radii smaller than 5%. These new samples densify the distribution of metallicity of the high-precision stellar mass library and add nine hot stars with T
eff > 8000 K. Comparisons show that these samples agree well with the PARSEC isochrones in T
eff–logg–mass–radius–luminosity space. We compare mass and radius estimates from isochrone and spectral energy distribution fitting, respectively, with those from the binary orbital solution. We find that the precision of the stellar-model-dependent mass estimates is >10% and the precision of the radius estimates based on atmospheric parameters is >15%. These give a general view of the uncertainty of the usual approaches to estimate stellar mass and radius.
Optimized Photometric Redshifts for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS)
Authors: Kodra Dritan , Andrews Brett H. , Newman Jeffrey A. , L. Finkelstein Steven , Fontana Adriano , Hathi Nimish , Salvato Mara , Wiklind Tommy , Wuyts Stijn , Broussard Adam , Chartab Nima , Conselice Christopher , Cooper M. C. , Dekel Avishai , Dickinson Mark , Ferguson Henry C. , Gawiser Eric , Grogin Norman A. , Iyer Kartheik , Kartaltepe Jeyhan , Kassin Susan , Koekemoer Anton M. , Koo David C. , Lucas Ray A. , Mantha Kameswara Bharadwaj , McIntosh Daniel H. , Mobasher Bahram , Pacifici Camilla , Pérez-González Pablo G. , Santini Paola
Published: January 2023

We present the first comprehensive release of photometric redshifts (photo-
z's) from the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS) team. We use statistics based upon the Quantile–Quantile (Q–Q) plot to identify biases and signatures of underestimated or overestimated errors in photo-
z probability density functions (PDFs) produced by six groups in the collaboration; correcting for these effects makes the resulting PDFs better match the statistical definition of a PDF. After correcting each group’s PDF, we explore three methods of combining the different groups’ PDFs for a given object into a consensus curve. Two of these methods are based on identifying the minimum f-divergence curve, i.e., the PDF that is closest in aggregate to the other PDFs in a set (analogous to the median of an array of numbers). We demonstrate that these techniques yield improved results using sets of spectroscopic redshifts independent of those used to optimize PDF modifications. The best photo-
z PDFs and point estimates are achieved with the minimum f-divergence using the best four PDFs for each object (mFDa4) and the hierarchical Bayesian (HB4) methods, respectively. The HB4 photo-
z point estimates produced σ
NMAD = 0.0227/0.0189 and ∣Δz/(1 + z)∣ > 0.15 outlier fraction = 0.067/0.019 for spectroscopic and 3D Hubble Space Telescope redshifts, respectively. Finally, we describe the structure and provide guidance for the use of the CANDELS photo-
z catalogs, which are available at https://archive.stsci.edu/prepds/candels/.
The Relationship between Age, Metallicity, and Abundances for Disk Stars in a Simulated Milky Way
Authors: Carrillo Andreia , Ness Melissa K. , Hawkins Keith , Sanderson Robyn E. , Wang Kaile , Wetzel Andrew , Bellardini Matthew A.
Published: January 2023

Observations of the Milky Way’s low-α disk show that several element abundances correlate with age at fixed metallicity, with unique slopes and small scatters around the age–[X/Fe] relations. In this study, we turn to simulations to explore the age–[X/Fe] relations for the elements C, N, O, Mg, Si, S, and Ca that are traced in a FIRE-2 cosmological zoom-in simulation of a Milky Way–like galaxy, m12i, and understand what physical conditions give rise to the observed age–[X/Fe] trends. We first explore the distributions of mono-age populations in their birth and current locations, [Fe/H], and [X/Fe], and find evidence for inside-out radial growth for stars with ages <7 Gyr. We then examine the age–[X/Fe] relations across m12i’s disk and find that the direction of the trends agrees with observations, apart from C, O, and Ca, with remarkably small intrinsic scatters, σ
int (0.01 − 0.04 dex). This σ
int measured in the simulations is also metallicity dependent, with σ
int ≈ 0.025 dex at [Fe/H] = −0.25 dex versus σ
int ≈ 0.015 dex at [Fe/H] = 0 dex, and a similar metallicity dependence is seen in the GALAH survey for the elements in common. Additionally, we find that σ
int is higher in the inner galaxy, where stars are older and formed in less chemically homogeneous environments. The age–[X/Fe] relations and the small scatter around them indicate that simulations capture similar chemical enrichment variance as observed in the Milky Way, arising from stars sharing similar element abundances at a given birth place and time.
The State of the Molecular Gas in Post-starburst Galaxies
Authors: French K. Decker , Smercina Adam , Rowlands Kate , Tripathi Akshat , Zabludoff Ann I. , Smith John-David T. , Narayanan Desika , Yang Yujin , Shirley Yancy , Alatalo Katey
Published: January 2023

The molecular gas in galaxies traces both the fuel for star formation and the processes that can enhance or suppress star formation. Observations of the molecular gas state can thus point to when and why galaxies stop forming stars. In this study, we present Atacama Large Millimeter/submillimeter Array observations of the molecular gas in galaxies evolving through the post-starburst phase. These galaxies have low current star formation rates (SFRs), regardless of the SFR tracer used, with recent starbursts ending within the last 600 Myr. We present CO (3–2) observations for three post-starburst galaxies, and dense gas HCN/HCO+/HNC (1–0) observations for six (four new) post-starburst galaxies. The post-starbursts have low excitation traced by the CO spectral-line energy distribution up to CO (3–2), more similar to early-type than starburst galaxies. The low excitation indicates that lower density rather than high temperatures may suppress star formation during the post-starburst phase. One galaxy displays a blueshifted outflow traced by CO (3–2). MaNGA observations show that the ionized gas velocity is disturbed relative to the stellar velocity field, with a blueshifted component aligned with the molecular gas outflow, suggestive of a multiphase outflow. Low ratios of HCO+/CO, indicating low fractions of dense molecular gas relative to the total molecular gas, are seen throughout post-starburst phase, except for the youngest post-starburst galaxy considered here. These observations indicate that the impact of any feedback or quenching processes may be limited to low excitation and weak outflows in the cold molecular gas during the post-starburst phase.
Infectious endocarditis – current profile
Authors: Dobreva-Yatseva B. , Nikolov F. , Raycheva R. , Tokmakova M.
Published: January 2023

Infective endocarditis (IE) is a disease of the endocardium of the heart and the endocardium of the great vessels, with infection affecting heart valves (native or prosthetic) and subvalvular structures and, in the last few decades, indwelling intracardiac devices or catheters. It is a life-threatening disease with a wide distribution worldwide. IE was first described 350 years ago, but it continues to be a huge challenge for doctors for several reasons. First – IE is a changing disease. Nowadays, the profile of patients with IE has significantly changed in terms of age, predisposing factors, microbiological causative agent, clinical picture, complications, therapeutic approach. Second, despite modern imaging and microbiological methods, diagnostics often encounter serious difficulties and delays. Third, the improvement in medical and surgical treatment in recent decades has not changed the rates of mortality and severe complications. Knowing the current profile of patients with IE helps in timely and accurate diagnosis, which is key to starting adequate treatment. Early identification of high-risk patients is important for the therapeutic approach, especially when deciding on operative treatment. This is associated with a reduction in in-hospital mortality and an improvement in the long-term prognosis of patients.
Impact of nitric oxide synthesis modulators on the state of humoral immune system in experimental antiphospholipid syndrome
Authors: Mekhno Nataliia , Yaremchuk Olha
Published: January 2023

Background: Antiphospholipid syndrome is an autoimmune disease of multiple venous and/or arterial thrombosis and/or pregnancy loss. Oxidative stress only enhances the body’s immune response. In pathological conditions, the formation of nitric oxide is disrupted, which can be manifested by vasoconstriction, increased coagulation, and endothelial dysfunction.

Objective: The aim of the research was to study the level of immunoglobulins and circulating immune complexes (CICs) in experimental antiphospholipid syndrome and its correction with L-arginine and aminoguanidine.

Materials and methods: Antiphospholipid syndrome was modeled on white female BALB/c mice. L-arginine (25 mg/kg) and aminoguanidine (10 mg/kg) were used for its correction. The content of immunoglobulins and CICs was studied.

Results: It was established that the level of immunoglobulins (Ig) and circulating immune complexes increased in the group of animals with antiphospholipid syndrome compare to the control. The levels of IgA and CICs decreased significantly, and the levels of IgM and IgG did not change in the mice with antiphospholipid syndrome and L-arginine correction. In cases of aminoguanidine administration, decreased IgM and IgG levels and no significant decrease in IgA and CICs was evidenced compare to the animals with antiphospholipid syndrome. In cases of using a combination of L-arginine and aminoguanidine agents, only IgM did not change, all other parameters decreased compare to the animals with APS.

Conclusion: The parameters of the humoral immunity in female mice with experimental antiphospholipid syndrome increase. The level of immunoglobulins and circulating immune complexes decrease depending on the chosen correction agents or their complex administration. Thus, L-arginine and aminoguanidine has a positive effect on various immunity responses by decreasing the negative impact of pathobiochemical alterations.
Development and Sharing of Open Science Hardware: Lessons Learned from Wikimedia Fellowships
Authors: Keller Oliver , Appelhoff Stefan , Paffhausen Benjamin , Wenzel Tobias
Published: January 2023

The promise of open hardware as a branch of open science is a sustainable change of research instrumentation towards more openly documented and licensed designs. Methods, code, and data are already valued by journal editors and peer-reviews to judge if a study's result can be replicated with the information provided in a manuscript. The open hardware movement seeks to include laboratory tools and research instrumentation into the same category. Availability of and access to open hardware equipment are set to democratize professional lab work and field studies as well as enhance the transferability of methods to civic science settings. Here, we report four case studies from the first five years of the Wikimedia Program "Free Knowledge", an open science fellowship funded by Wikimedia Germany and partners. The project developers discuss and evaluate the impact related to key aspects typically attributed with open hardware: costs, availability, adaptability, community and educational value. The open hardware projects covered in this review span from natural sciences to life sciences to education.
Le secteur abouti est un un dispositif orienté rétablissement
Authors: Defromont Laurent , Kruhelski Géry
Published: January 2023

Expérience d’un secteur ayant suivi depuis plusieurs années une ligne politique claire visant à optimiser et diversifier au maximum son offre de soins. Dans cette occurrence, l’hospitalisation est réduite au maximum puisque des réponses alternatives et variées ont été mises en place. Cela a également pour effet de déstigmatiser les soins de santé mentale mieux appréhendés désormais par les usagers potentiels. Cette limitation des hospitalisations permet également, en retour, de basculer une part importante des budgets vers la mise en place de réponses alternatives en particulier plus individuelles, au domicile, et d’améliorer les parcours de soins en partenariat avec les acteurs sociaux..
Les intervenants sociaux face à la transformation numérique
Authors: Jacob Steve , Souissi Seima
Published: January 2023

En s’appuyant sur une revue de la littérature scientifique internationale, cet article synthétise les connaissances les plus récentes sur les répercussions de la dématérialisation du travail social sur les pratiques professionnelles des intervenants sociaux. Les travaux recensés soulignent que cette dématérialisation présente plusieurs avantages et contribue notamment à améliorer la qualité des services. Dans un contexte marqué par la présence renforcée d’outils technologiques, les intervenants sociaux doivent acquérir de nouvelles compétences techniques et communicationnelles ainsi qu’assumer de nouveaux rôles. La dématérialisation du travail social transforme en outre la relation entre les intervenants et les usagers. Lorsque les nouvelles technologies sont perçues comme une menace pour les valeurs professionnelles, les intervenants peuvent manifester de la résistance et recourir à des stratégies de contournement. L’implantation réussie des technologies numériques dans le travail social nécessite de les utiliser comme un soutien au travail des intervenants sociaux.
Mathematical modeling of the COVID-19 epidemic with fear impact
Authors: Thirthar Ashraf Adnan , Abboubakar Hamadjam , Khan Aziz , Abdeljawad Thabet
Published: January 2023

Many studies have shown that faced with an epidemic, the effect of fear on human behavior can reduce the number of new cases. In this work, we consider an SIS-B compartmental model with fear and treatment effects considering that the disease is transmitted from an infected person to a susceptible person. After model formulation and proving some basic results as positiveness and boundedness, we compute the basic reproduction number $ \mathcal R_0 $ and compute the equilibrium points of the model. We prove the local stability of the disease-free equilibrium when $ \mathcal R_0 < 1 $. We study then the condition of occurrence of the backward bifurcation phenomenon when $ \mathcal R_0\leq1 $. After that, we prove that, if the saturation parameter which measures the effect of the delay in treatment for the infected individuals is equal to zero, then the backward bifurcation disappears and the disease-free equilibrium is globally asymptotically stable. We then prove, using the geometric approach, that the unique endemic equilibrium is globally asymptotically stable whenever the $ \mathcal R_0 > 1 $. We finally perform several numerical simulations to validate our analytical results.
Global dynamics of deterministic-stochastic dengue infection model including multi specific receptors via crossover effects
Authors: Rashid Saima , Jarad Fahd , El-Marouf Sobhy A. A. , Elagan Sayed K.
Published: January 2023

Dengue viruses have distinct viral regularities due to the their serotypes. Dengue can be aggravated from a simple fever in an acute infection to a presumably fatal secondary pathogen. This article investigates a deterministic-stochastic secondary dengue viral infection (SDVI) model including logistic growth and a nonlinear incidence rate through the use of piecewise fractional differential equations. This framework accounts for the fact that the dengue virus can penetrate various kinds of specific receptors. Because of the supplementary infection, the system comprises both heterologous and homologous antibody. For the deterministic case, we determine the invariant region and threshold for the aforesaid model. Besides that, we demonstrate that the suggested stochastic SDVI model yields a global and non-negative solution. Taking into consideration effective Lyapunov candidates, the sufficient requirements for the presence of an ergodic stationary distribution of the solution to the stochastic SDVI model are generated. This report basically utilizes a novel idea of piecewise differentiation and integration. This method aids in the acquisition of mechanisms, including crossover impacts. Graphical illustrations of piecewise modeling techniques for chaos challenges are demonstrated. A piecewise numerical scheme is addressed. For various cases, numerical simulations are presented.
Design of intelligent robots for tourism management service based on green computing
Authors: Yang Tingting , He Yi
Published: January 2023

The modular intelligent robot platform has important application prospects in the field of tourism management services. Based on the intelligent robot in the scenic area, this paper constructs a partial differential analysis system for tourism management services, and adopts the modular design method to complete the hardware design of the intelligent robot system. Through system analysis, the whole system is divided into 5 major modules, including core control module, power supply module, motor control module, sensor measurement module, wireless sensor network module, to solve the problem of quantification of tourism management services. In the simulation process, the hardware development of wireless sensor network node is carried out based on MSP430F169 microcontroller and CC2420 radio frequency wireless communication chip, and the corresponding physical layer and MAC (Media Access Control) layer data definition and data definition of IEEE802.15.4 protocol are completed for software implementation, and data transmission and networking verification. The experimental results show that the encoder resolution is 1024P/R, the power supply voltage is DC5V5%, and the maximum response frequency is 100 kHz. The algorithm designed by MATLAB software can avoid the existing shortcomings and meet the real-time requirements of the system, which significantly improves the sensitivity and robustness of the intelligent robot.
Garcilaso y la construcción de La Araucana
Authors: Gómez Canseco Luis
Published: January 2023

La lectura de Garcilaso de la Vega por parte de Alonso de Ercilla no solo dejó motivos, lugares comunes y numerosas huellas textuales en los versos de La Araucana, sino que fue decisiva para la concepción del poema y su construcción, así como para la autorrepresentación del poeta en su obra.
New Studies of the Structure and the Texts of Abba Garima Ethiopian Gospels
Authors: Kim Sergey
Published: January 2023

The article presents a codicological study of the three ancient Ethiopian Gospels of Abba Garima. The author rearranges the sequence of the disordered folios of the manuscripts in detailed tables, proposes a new foliation system and proceeds to catalogue-like descriptions. Attentive inspection of each folio led to the discovery of original quire numbers as well as original and later liturgical annotations put in folio margins, among which there are liturgical rubrics in rare unvocalized consonantal script. Detailed tables of Gospel pericopes and of dates of their liturgical use accompany the descriptions, as well as a discussion of the lectionary system and of the liturgical terminology as attested by the rubrics. The author also discusses philological characteristics of the two subsidiary texts originally included in the Abba Garima manuscripts, ‘Discourse on the Harmony of Gospels’ and ‘Letter of Carpianus’ of Eusebius of Caesarea. The article contains an edition, an English translation and a succint historical commentary of three hitherto inedited donation notes from the 15th-16th centuries.
Offen und abgeschlossen – über theoretische Implikationen in Hans Magnus Enzensbergers Museum der modernen Poesie
Authors: Pinke Leo
Published: January 2023

Der Beitrag versucht, eine implizite Argumentation in Hans Magnus Enzensberger Vorwort zu seiner Sammlung Museum der modernen Poesie von 1960 zu rekonstruieren. Ausgehend vom Begriff des ‚Museums‘, den der Autor gegen die Gefahr der ‚Fetischisierung‘ der Werke im bürgerlichen Kanon wendet, wird die moderne Dichtung im gleichen Zug durch historische Kategorien für abgeschlossen erklärt und als ‚Prozess‘ auf künftige Rezeption hin geöffnet. Es ergibt sich ein Schwanken zwischen dem Misstrauen gegen jede intrinsische Bestimmung des Gegenstands, die ihn theoretisch arretieren könnte, und dem Bedürfnis, gegen die zeitlosen Kategorien der zeitgenössischen Literaturtheorie eine geschichtliche Deutung zu fixieren. Es zeigt sich, dass Enzensbergers Position nicht nur als Reaktion auf Hugo Friedrichs Die Struktur der modernen Lyrik von 1956 und ihre antihistorische Definition der modernen Dichtung zu verstehen ist, sondern letztlich wie Friedrichs Theorie die sich in den Gedichten äußernde subjektive Instanz allein als argumentative Leerstelle zur Sprache bringt.
Vom Weichen der Bilder. Die konzeptuellen Vororte der Literaturgeschichte
Authors: Picker Marion
Published: January 2023

Der Ausdruck „Weichbild“ hatte in den zwanziger und frühen dreißiger Jahren eine seltsame Art von Konjunktur. Er erscheint u.a. bei Siegfried Kracauer, Franz Hessel und Walter Benjamin nicht nur als Wiederaufnahme eines bestehenden Begriffs aus dem Stadtrecht des Mittelalters, der die Geltung der städtischen Rechtsprechung auch in einer vor den Stadtmauern gelegenen Zone benennt. Sowohl in literarischen, sozialwissenschaftlichen als auch literaturtheoretischen Texten zeichnet sich eine Verwendung von „Weichbild“ ab, die das Wort in neue Kontexte stellt und dadurch auf das Potenzial einer (durchaus beabsichtigten) modernen „Fehllektüre“ des Wortes hinweist. „Weichbild“ erscheint nicht nur in seinem engeren, historisch-juristischen Sinn als städtisches Phänomen, als „Stadtrecht“, das einen Raum definiert, sondern zugleich als literarische, d.h. wörtlich und buchstäblich konstituierte Stadt: ein Bild, das aufweicht, zurückweicht, unscharf wird, und das nicht nur in der Peripherie. Damit wird ein bestehender historischer Begriff auf einen Bezug zu modernen bildgebenden Verfahren hin geöffnet, aber auch noch auf mehr: wenn „Weichbild“ als Teil der Sprach- und Bildreflexion zu denken ist, erscheint nicht nur die Stadt als literarischer Erfahrungsraum aus Buchstaben, sondern auch die jeweils mögliche Literaturgeschichtsschreibung als bedingt durch die in den Blick kommenden, lesbar werdenden Bildpotentiale der Texte.
Educating Racially, Culturally, and Linguistically Diverse Children in a Global Era
Authors: Song Kim H. , Kerkhoff Shea N. , Slapac Alina
Published: January 2023

This chapter explores the intersection of race, culture, and language, so teachers can provide racially, linguistically, and culturally responsive teaching for diverse learners, as classrooms around the world are increasingly diverse. There has been an urgent call for teacher training to move beyond colorblindness to serve racially, linguistically, and culturally diverse learners in an equitable, antiracist, and socially-just climate. The purpose of this chapter is to present teaching materials framed by a cosmopolitan lens that help teachers examine who they are as a racial, linguistic, and cultural being to help super diverse learners in this global era.
Study of Effect of Weight Variation on Shape and Material Allocation on Heterogeneous NURBS Surface and Hyperpatch
Authors: Shaikh Sanin , Narvekar Pranita , Pise Uday
Published: January 2023

The surfaces and hyperpatch models constructed by the NURBS-based approach provide an advantage of shape modification and have varying mesh-structure. No observations based on material distribution on the surface and hyperpatch models were done until now. The heterogeneous models of the NURBS surface and NURBS solid hyperpatch models were based on the Unevaluated models as per the Control-Point-Based modelling approach was followed. The material allocated gets interpolated over the surface and hyperpatch models. The material distribution does vary, and the effect of weight variation on material allocation does become significant for them.
Performance Analysis of a Perturbed Circular DRA for Different Dielectric Materials
Authors: Dash Prabhu Prasad , Panda Ribhu Abhusan , Behera Pragyan Paramita , Choudhury Barsha , Kumar M.Arun
Published: January 2023

The regular shape of a circular dielectric resonating antenna (DRA) is changed in this paper. The proposed dielectric resonator has a perturbed circular shape in which the least arc to arc distance is same as that of the wavelength (λ) that is calculated from the design frequency. The proposed structure has a substrate and a dielectric resonator which include dielectric materials. In this paper different dielectric materials have been used both for substrate as well as dielectric resonator and the performance of the proposed DRA has been evaluated in terms of S-Parameter ( <-10 dB) , antenna gain , radiation efficiency , directivity . The dielectric materials like FR4 epoxy and GaAs have been used for the substrate. For perturbed shaped dielectric resonator, the materials having high dielectric constant like silicon, alumina 92_pct.
Crack Identification and Trajectory Planning for Automatic Gas Metal Arc Welding
Authors: Anand S. Vijay , Rastogi Sarthak , Bhattacharya Anirban
Published: January 2023

Gas metal arc welding process has the capability of producing high quality, all position welding, and is easily adaptable for automated welding applications. Repair welding of random cracks on existing assembly/structure through automatic welding would need real time crack/gap identification and weld path generation. In this work, an image processing-based system is presented for identifying the crack geometry. Graphical user interfaces are also developed to take necessary user inputs required at different stages for crack identification, predicting weld bead dimension, and weld path generation. Based on the identified crack geometry and predicted weld bead feature, linear and curved weld path planning methodology is proposed. The proposed modules are validated for a case study by successfully generating the desired weld paths. Different natures of velocity profiles are considered to appraise the role on motion behaviour and a suitable profile is selected for reducing the jerks at sharp corners/via points on the weld path and maintaining uniform bead geometry.
.Simultaneous Bilateral Femoral Fracture in Children
Authors: Ouédraogo Somkieta Francis Modeste , Diallo Malick , Tapsoba W. Toussaint , Thiombiano Koundja , Ouedraogo Isso , Wandaogo Albert
Published: January 2023

Introduction:

Bilateral femoral fractures in children (BFFC) are an uncommon condition. Only a few cases were reported in the literature. The frequency and outcome in low-setting facilities are unknown. This study aims to describe our experience in managing BFFC. Patients and Methods: A 10-year ongoing study spanning from 2010 to 2020 was held in a level-1 paediatric facility. We included all cases of BFFC on a bone-free disease with at least 10 months of follow-up time. Data were collected and analysed with statistical software.

Results:

A total of eight patients with ten BFFC were collected. It involved mainly boys (n = 7/8) with median age of 8 years. Mechanism of injury were a road traffic accident (n = 4), a fall from height (n = 3), and been crushed by a falling wall (n = 1). Associated injuries were frequent (n = 6/8). Patients were managed nonoperatively with spica cast (n = 5) and by elastic intramedullary nails (n = 3). After 6.11 years of mean follow-up time, all fractures healed. The outcome was excellent and good in 7 cases. One patient sustained knees stiffness.

Conclusion:

Non-operative management of BFFC showed satisfactory outcomes. Early surgical care must be developed in our low-income settings to reduce in-hospital stay and encourage early weight-bearing.
A retrospective chart review of clinical profile of patients utilizing telepsychiatry services during COVID-19 pandemic at a tertiary care centre
Authors: Raidurg Kalyani A. , Wadgaonkar Gaurav P. , Panse Smita N. , Santre Manjeet S. , More Jyoti B. , Karad Arvind V.
Published: January 2023

Background:

Telepsychiatry as a vehicle for delivering mental health services became evident due to outburst of mental health issues during coronavirus disease 2019 (COVID-19) pandemic and it was found useful in providing mental health care while maintaining social distancing norms and lockdown guidelines.

Aim:

To study clinical profile and sociodemographic profile of patients utilizing telepsychiatry services during COVID-19 pandemic.

Materials and Methods:

Total 70 old follow-up and 42 new patients were consulted on telepsychiatry, as per Indian Telepsychiatry Operational Guidelines 2020 given by NIMHANS, during 1st and 2nd wave of COVID-19 pandemic from June 2020 to May 2021. Sociodemographic and clinical data was extracted from all patients who utilized our telepsychiatry services in a semi-structured proforma for retrospective analysis using frequency tables.

Results:

A total of 102 patients benefitted from our telepsychiatry services. Out of which, 66.7% were adults between 21 and 40 years, with slight female preponderance (55.9%) and majority (78.4%) participants living in urban areas. About 70.6% were graduates with 41.2% participants belonging to either private or public service. One-third of the participants were IT professionals. Around 59.8% participants had past history of psychiatric illness and 40.2% had new onset illness. The diagnostic distribution included depressive disorder (28.4%), anxiety disorder (26.4%), psychotic disorder (21.6%) and obsessive compulsive disorder (9.8%) and others (13.8).

Conclusion:

Telepsychiatry has emerged as an important consultation modality in this COVID-19 pandemic. Its future use seems promising, which will require mental health practitioners to develop their skills while interacting digitally, conducting assessments, and therapy.
A review article on the dosimetry in intraluminal HDR brachytherapy of lung carcinoma
Authors: Kant Ravi , Gupta Meenu , Bisht Jyoti , Nautiyal Vipul , Kumar Viney , Dobhal Rishabh , Ahmed Mushtaq , Saini Sunil
Published: January 2023

Lung cancer is one of the most common cancers in the world. Intraluminal brachytherapy (BT) is one of the most adopted treatment modalities for lung malignancies with Ir-192 source in radiotherapy. In intraluminal BT, treatment delivery is required to be very accurate and precise with respect to the plan created in the treatment planning system (TPS). The BT dosimetry is necessary for better treatment outcomes. Therefore in this review article, some relevant studies were identified and analyzed for dosimetric outcomes in intraluminal BT in lung malignancies. The dosimetry in BT for plan verification is not presently in practice, which needs to be performed to check the variation between the planned and measured doses. The necessary dosimetric work done by the various researchers in intraluminal BT such as the Monte Carlo CYLTRAN code was used to calculate and measure the dose rate in any medium. Anthropomorphic phantom was used to measure doses at some distance from the source with Thermo luminescence dosimeters (TLDs). The dosimetric influence of air passage in the bronchus was evaluated with the GEANT4 Monte Carlo method. A pinpoint chamber was used to measure and quantify the impact of inhomogeneity in wax phantom for the Ir-192 source. The Gafchromic films and Monte Carlo methods were used to find the phantom and heterogeneities, which were found to underestimate the dose for the lungs and overestimated for the bones in TPS. The exact tool to quantify the variation in planned and delivered doses should be cost-effective and easy to use possibly with tissue equivalent phantoms and Gafchromic films in lung malignancies treatment.
IoT based Smart Transportation System: Implementation and Security Challenges
Authors: Mishra Vikrant , Yadav Manish Kumar
Published: January 2023

With the increasing trend of digitalization, Internet of things (IoT) provide a way to make the system efficient and automated in every possible sector of daily human life. In this paper, the overview of IoT enabled application in the transportation sector is represented with some recent case studies. The recent work and challenges in the deployment of the IoT in the transportation application have also been demonstrated. Various cybersecurity such as secure data code, two factor authentication, end-to-end encryption and the use of anti-malware software to ensure the safe and secure operations of IoT devices are also explored.