bluuebunny/crossref_metadata_2025 huggingface dataset:
Violencia en las relaciones de noviazgo en estudiantes universitarios de enfermería
Authors: Cortaza Ramírez Leticia , Torres Lagunas María de los Ángeles , Vega Morales Elsy Guadalupe , André Matos Marcos , Hermida Flores Alejandra
Published: December 2023

Objetivo: Identificar la percepción de violencia en las relaciones de noviazgo en estudiantes de enfermería de una Universidad Pública de Minatitlán, Veracruz México.
Materiales y Métodos: Estudio descriptivo, transversal y correlacional, la muestra fueron 182 estudiantes de enfermería inscritos en una universidad pública, de Minatitlán, Veracruz, México. El muestreo fue aleatorio simple. Se utilizó el Cuestionario de Violencia en las Relaciones de Parejas jóvenes (VIREPA), integrado por 20 ítems con una escala tipo Likert con 5 opciones de respuesta y preguntas sociodemográficas.
Resultados: El 26.9% de los estudiantes indicó maltrato en sus relaciones pasadas y 3.8% maltrato en su relación actual. Se encontraron diferencias entre hombres y mujeres, en el maltrato emocional (z=-2.248, p=0.004) y el control social y económico (z=-2.681, p=0.002) con datos más elevados en los hombres. La edad del participante y la edad de la pareja se relacionó con el maltrato emocional, físico y psicológico y la desvalorización personal (p<0.05).
Conclusiones: Los estudiantes universitarios de enfermería, han percibido experiencias de violencia durante sus relaciones de noviazgo, conducta que puede pasar desapercibida tanto para el perpetrador como para la víctima, por lo que se considera relevante el diseño de programas de prevención de la violencia en los contextos universitarios, dirigidos a identificar la violencia y su impacto en el estudiante, que aporte  conocimiento y dé oportunidad para identificar cuando están viviendo una situación violenta dentro de sus relaciones de noviazgo.
 
Palabras clave: Violencia; Percepción; Estudiantes; Enfermería.
Estado emocional usando DASS-21 en enfermos post COVID-19 en primer nivel de atención en salud
Authors: Carrillo-Avilés Ángel Francisco , García-Torres Osvaldo , Obeso-Sandoval Indira Susana
Published: December 2023

Objective: “Determine the emotional state following the DASS-21 in post-COVID-19 patients at the first level of health care”.
Material and methods: Observational, cross-sectional, descriptive study conducting a survey on the emotional state (DASS-21; Lovibond and Lovibond, 1995) in post-COVID-19 patients in a sample of 70 patients from the Family Medicine Unit No. 34 annex Ambulatory Care Medical Unit of La Peace, Baja California Sur. A statistical analysis was carried out with frequencies, percentages for nominal qualitative variables, with measures of central tendency and dispersion in quantitative variables, with determination of chi2. With prior authorization from the local research committee and ethics committee.
Results: 45 female patients were found (64.3%), age 39.41 ± 13.930, with a statistical significance between anxiety and presence of severe symptoms with p= 0.014 (95%CI 0.000-0.042), depression and age group p= 0.029 (95%CI % 0.000-0.068); and no significance was found with stress.
Conclusion: Anxiety mildly and extremely severely affects post-COVID-19 patients related to the presence of severe symptoms, the depression detected was moderate and is related to the age group, while the stress detected was mild and did not present an association of variables.
 
Keywords: Coronavirus infections; Anxiety; Psychological distress; Depression; Emotional Adjustment.
Autoestima y consumo de cannabis en adolescentes: una revisión integrativa
Authors: Medina-Quevedo Pablo , Guzmán-Ortiz Elizabeth , Álvarez-Aguirre Alicia , Martín del campo-Navarro Alicia Sarahy , García-Campos María de Lourdes
Published: December 2023

Objective: to identify the scientific evidence related to the influence of self-esteem on adolescent cannabis use.
Materials and method: during the period of february-april 2022, an integrative review of the scientific literature published in the last ten years (2012-2022) was carried out. The six-step methodology proposed by Toronto and Remington was used in the BVS, PubMed, TRIP and Dialnet search engines, as well as in the Redalyc, Cochrane, EBSCOhost, Web of Science and CUIDEN databases. A total of 1,491 articles were found, when applying inclusion and elimination criteria, a total of ten quantitative studies were considered in the final sample.
Results: it was found that adolescents with low self-esteem are prone to influences that encourage the initiation of cannabis use. When considered as a positive attitude of the person towards himself, it favors the feeling of security and regulates behavior through a process of self-evaluation, so that it enables adolescents to adapt to their environment. In this sense, three main categories were observed: moderator variable in cannabis use; predictor variable of cannabis use; and intervention component.
Conclusions: the protective and predictive role of self-esteem for cannabis use in adolescents was demonstrated, likewise, early detection and interventions aimed at improving skills for the regulation of emotions influenced by cognitive factors are effective in the promotion and prevention of cannabis use in adolescents.
 
Keywords: Self-esteem; Cannabis; Adolescent; Nursing; Mexico.
INVESTIGATION OF THE RADIOLOGICAL TECHNIQUES TO DETECT OSTEOLYTIC LESIONS, FRACTURES, AND OSTEOPOROSIS IN MULTIPLE MYELOMA PATIENTS
Authors: TURGUTKAYA Atakan , YAVAŞ İrfan , ŞAHİN Tuğba , SARGIN Gokhan , KADIKÖYLÜ Gürhan , BOLAMAN Ali
Published: December 2023

Aim: Multiple myeloma is a malignancy of clonal plasmacytes. Osteolytic lesions represent a criterion for symptomatic myeloma and are associated with bone loss, pathological fractures, and osteoporosis. Skeletal surveys with other sophisticated techniques and dual-energy x-ray absorptiometry (DEXA) are used to screen lytic lesions, and bone mineral loss, respectively. Here, we aimed to investigate the rates of detection regarding osteolytic lesions and bone mineral loss by several imaging techniques.

Materials and Methods: The study was carried out in Adnan Menderes University Hospital/Turkey, between the years 2004- 2020. Three-hundred and ten symptomatic myeloma patients were screened retrospectively. The results of radiological techniques were recorded. The detection rate of osteolytic lesions, fractures, and plasmacytomas by imaging techniques, as well as bone mineral loss with DEXA was recorded. Also, associations with gender, myeloma type, lytic lesions, and osteoporosis were investigated.

Results: Skeletal survey and PET-CT detected lytic lesions in 71.3% and 81.2% of patients, respectively. PET-CT had a sensitivity of 96.1% and specificity of 90.6% to detect lytic lesions. MRI was only used for patients with suspicious fractures and detected them for all patients who underwent MRI. The osteoporosis rate was 83.1% for 113 patients who underwent DEXA. Any association between lytic lesions and gender/myeloma type was not detected.

Conclusion: Our study demonstrated that osteolytic lesions are not correlated with gender or myeloma type. PET-CT is a sensitive and specific method for detecting osteolytic lesions. Although DEXA is sensitive, its specificity is limited to detect osteoporosis in patients with lytic lesions.
Subarachnoid hemorrhage following scorpion bite: case report
Authors: UYSAL Ali İhsan , ÖZDEMİR İnan , AKÇADAĞ Tuğçe , GÜRSOY Melik , TURGUT Yaşar Barış , ÇAKIR Tümay
Published: December 2023

Scorpion stings are life threatening and toxicological emergencies with systemic effects caused by autonomic nervous system damage. Subarachnoid hemorrhage (SAH) is extremely rare complication of scorpion sting. In this report, we present an unusual case of a 62-year-old male patient with scorpion sting who developed a complication of SAH. A high index of suspicion is vital for earlydiagnosis and prompt management of the complication because it is as a life-threatening emergency for patients presenting with hemorrhagic stroke.
Making Space for Failure in the Scholarship of Teaching and Learning: A Blueprint
Authors: Chick Nancy L. , Cruz Laura , Friberg Jennifer C. , Steiner Hillary H.
Published: December 2023

In this essay, we offer a typology of failure in the scholarship of teaching and learning (SoTL) to serve as the foundation for a new line of inquiry to be featured in this new section of Teaching & Learning Inquiry — SoTL in Process. Through the typology, we advocate for making space to talk about failure and its many forms in SoTL.
Mini-histórias
Authors: Cardoso Cristiele Borges dos Santos , Conte Elaine
Published: December 2023

O texto aborda algumas experiências pedagógicas desenvolvidas desde 2017 e voltadas para as práticas estéticas com mini-histórias na Educação Infantil. Trata-se de discutir, por meio da pesquisa-formação, o campo sensível do agir pedagógico, para contextualizar as práticas estético-formativas de mini-histórias à criação de significados. As mini-histórias se configuram como formas de ver e narrar o cotidiano infantil, além de fazer parte da documentação pedagógica oriunda da experiência sensível do aprender com as crianças. As contribuições da investigação estão vinculadas aos processos reflexivos do agir pedagógico, em vista de aperfeiçoar as reelaborações didáticas que envolvem a leitura de imagens das questões humanas e educativas, para escutar as crianças e aprender a ser um professor pesquisador da Educação Infantil, defendendo os direitos da criança de crescer e emancipar-se com os outros.
EFFECT OF CHOLECALCIFEROL (VITAMIN D3) LEVELS ON VARIOUS TIMES AND DURATIONS OF EXPOSURE TO ULTRAVIOLET LIGHT (SUN EXSPOSURES)
Authors: Kuncara Rachmad Bayu , Roni Afriansya
Published: December 2023

Sunbathing triggers the vitamin D production, which functions to increase the immune system. Vitamin D is very beneficial for the health of the body, exposure to sunlight in sufficient time the body will get adequate vitamin D. The purpose of this study is to explain the level of vitamin D3 levels that are often found to occur due to exposure to ultraviolet rays of the sun (Sun Exposures). This research method is an experimental study with a completely randomized design (CRD). The research design used was a randomized post test only control group design. Data were analyzed using the Kruskal Wallis test with statistical test results obtained levels of Cholecalciferol (Vitamin D3) with p value = 0.675 (> 0.05) meaning there was no difference in each treatment group.
Enforcement methods and influential factors of competitive intelligence ethics adoption: a case of South African ICT industry
Authors: Nenzhelele Tshilidzi
Published: December 2023

The defining characteristic of CI practice is the implementation and strict adherence to ethical principles. While there is evidence of ongoing CI practices by corporations, critics argue that there is a dearth of scientific research on the implementation and enforcement of CI ethics. Critics contend that the absence of ethical adoption and enforcement of competitive intelligence (CI) principles has created a nebulous zone that blurs the distinction between CI and industrial espionage. The adoption and implementation of competitive intelligence (CI) ethics guarantees that companies engage in ethical and legal CI practices. It improves the standing of companies and reduces the cost of having to restore a damaged reputation. The aim of this study was to determine the level of acceptance of corporate integrity ethics in the ICT industry in South Africa. Furthermore, the objective is to evaluate the strategies employed for enforcing ethical practices and the various elements that impact the adoption of corporate integrity ethics in the ICT industry in South Africa. The research employed a quantitative approach, utilizing a web-based questionnaire to gather data from professionals working in the South African ICT business. The study discovered that South African ICT companies fully embraced CI ethics. Furthermore, the study identified seven elements that have an impact on the adoption of CI ethics, as well as multiple approaches for enforcing ethical practices. As a result, South African ICT enterprises are able to save money that would otherwise be spent on repairing their reputation after being accused of industrial espionage. Furthermore, companies should enhance and diminish aspects that have a positive and negative impact on the adoption of CI ethics, respectively.
Patient satisfaction mediates the influence of trust, service quality and hospital sharia compliance on patient loyalty in Sharia hospitals in Riau province from an Islamic perspective
Authors: Eny Wahyuningsih  , Tatik Mariyanti  , Hatta Zulhelmy M.
Published: December 2023

This study seeks to assess patient satisfaction by examining the impact of trust, service quality, and hospital Sharia compliance on patient loyalty at Sharia hospitals in Pekanbaru City, Riau Province. The study takes an Islamic perspective and aims to enhance competitiveness by focusing on the development of high-quality and dependable services. The research uses structural equation modeling, a statistical methodology that combines quantitative data and qualitative causal assumptions to assess and estimate causal links. The study employed a questionnaire to gather primary data from 342 respondents, including patients. The research findings are as follows: (1) Trust has a positive and significant impact on patient loyalty. (2) Service quality does not have a significant impact on patient loyalty. (3) Sharia compliance has a positive and significant impact on patient loyalty. (4) Trust has a positive and significant impact on patient satisfaction. (5) Service quality has a positive and significant impact on satisfaction. (6) Sharia compliance has a positive and significant impact on satisfaction. (7) Satisfaction positively and significantly mediates the effect of trust on loyalty. (8) Satisfaction positively and significantly mediates the influence of service quality on patient loyalty. (9) Satisfaction positively and significantly mediates the influence of Sharia compliance on loyalty. (10) Satisfaction has a positive and significant influence on loyalty.
Applicability of blockchain technology in improving efficiency in supply chain operations in public procurement in Tanzania
Authors: Maagi Barnabas
Published: December 2023

The primary aim of this study was to assess the suitability of blockchain technology for improving the efficiency of supply chain operations in the public sector in Tanzania. Blockchain technology (BT) is a contemporary and rapidly growing technology that has gained widespread popularity globally due to its capacity to connect several stakeholders (blocks) worldwide with the aim of enhancing efficiency in business transactions. With this perspective in mind, the researcher was driven to evaluate the capabilities of blockchain technology in the field of supply chain in Tanzania. This evaluation concentrated on three distinct areas: the degree of public awareness of blockchain technology, the strategies used by public bodies to use blockchain technology, and the significant issues that obstruct the implementation of blockchain technology. The study utilized network theory as a framework to analyze the findings. It employed a descriptive survey approach, with a sample size of 192 respondents who were engaged as registered procurement experts in public institutions. In collecting data from respondents, structured questionnaires were prepared using Google Forms and submitted to respondents through their e-mails. A total of 154 questionnaires were properly filled out and submitted, for a response rate of 80.2%. The data was analyzed using descriptive statistics and correlation analysis. The results show that 74.7% of the respondents are unaware of the application of blockchain technology in supply chain operations. In terms of practice, the majority of public entities (67%) use e-payment as the main application of blockchain technology. Additionally, 64% of the respondents identified technical issues and a lack of understanding as the main challenges affecting the application of blockchain technology. Moreover, the study demonstrates a robust correlation between the utilization of blockchain technology and the enhancement of efficiency in supply chain operations. Ultimately, the study suggests implementing an extensive awareness campaign targeted at practitioners in order to enhance the rate of adoption and fully use the capabilities of blockchain technology in Tanzania.
The effect of transformational leadership on sustainable employee performance with organizational commitment and green motivation as the mediating
Authors: May Zhara Averina Wa Ode , Wirawan Irawanto Dodi , Tri Kurniawati Desi
Published: December 2023

This study aims to investigate the effect of transformational leadership on sustainable employee performance mediated by organizational commitment and green motivation. The respondents of this explanatory research are 110 employees of two local governments. The data was harvested through questionnaires and analyzed using PLS-SEM. This study finds that transformational leadership positively and significantly influences sustainable employee performance. Organizational commitment practices partially mediate the effect of transformational leadership on sustainable employee performance and green motivation is unable to mediate the effect of transformational leadership on sustainable employee performance.
The effect of financial literacy on business performance through mediation of financial access and financial risk attitude
Authors: Priyantoro Priyo , Ratnawati Kusuma , Aisjah Siti
Published: December 2023

MSMEs play a vital role in global economic development, as well as being the key to most businesses and important contributors to job creation and economic development. However, amidst the uncertain business and economic situation, most MSMEs have to struggle to maintain their business performance. So efforts are needed from various parties to improve business performance in MSMEs. This research aims to test and analyze the influence of financial literacy levels on business performance, with financial access and financial risk attitudes as mediating variables. Sampling in this research used a purposive sampling technique among tofu processing industry players in Kediri City. The sample was determined using the Slovin method and a sample of 400 respondents was obtained. The method used in this research uses Structural Equation Model (SEM) Partial Least Square (PLS) analysis through the SmartPLS data processing program version 3. The results of this research show that all hypotheses are accepted. Financial literacy, access to finance and financial risk attitudes have a positive and significant effect on business performance. Financial access is able to mediate the relationship between financial literacy and financial risk attitudes, and financial risk attitudes are also able to mediate the relationship between financial literacy and business performance in the Kediri City tofu processing industry.
The influence of principal's leadership, teacher competencies, academic supervisor, work motivation and job satisfaction on teachers' performance in secondary schools of the country of Gambia
Authors: Saine Kebba , Santoso Suryo Budi , Astuti Herni Justiana , Pratama Bima Cinintya
Published: December 2023

As the saying goes ‘education is the key to success’. When the majority of a nation’s citizens are educated, development becomes rapid. This research aims to determine the influence of a principal’s leadership, teacher competencies, academic supervisor, work motivation and job satisfaction on teachers' performance. This study employed the quantitative approach. The survey method was used to collect information through a questionnaire with a Likert-type of 5 rating scales to analyze data. A total number of 125 respondents were involved in the study and they were randomly selected from the secondary schools in Regional Education Directorate I&II. Data were analyzed using multiple linear regression and the coefficient of determination test R^2. The results show that the principal's leadership, teacher competencies, academic supervisor, and job satisfaction have a positive and significant influence on teachers’ performance, while work motivation has no significant influence on teachers’ performance. To have effective teaching and learning in schools, good leadership is required to guide, manage and control people, property and issues affecting them with proper handling to achieve the set goals. The Principal's work can be complemented by the efforts of his vice principals and other senior teachers as supervisors to ensure that plans are properly implemented and objectives achieved. Supervision helps teachers know and improve their weak areas and strengthen their competencies to deliver accordingly, develop skills, and boost their performances. These activities may lead to good working conditions and a conducive environment for the staff to be motivated and satisfied with their job. This research will provide insights into factors that have significant influences on teachers' performance.
Unveiling the factors shaping consumer acceptance of AI assistant services in the hotel industry: a behavioral reasoning perspective
Authors: Islam Md Tarikul , Zhou Erhua
Published: December 2023

Technological advancements in automation, artificial intelligence (AI), and robotics have completely changed the service industries, including the hospitality sector. This study aims to investigate the fundamental elements that impact the acceptance (or rejection) of artificial intelligence assistants' services. This research employed semi-structured interviews to gather insights from both individuals who use AI services in hotels and those who do not. Based on Behavioral Reasoning Theory, this study is empirically tested by interviews with intended respondents. This study examines the "reasons for" and "reasons against" using AI assistant services in the hotel. Technology anxiety, privacy concern, prior experience, and task complexity are "reasons against," while performance expectancy, effort expectancy, social influence, facilitating conditions, humanness, social presence, perceived interaction enjoyment, cuteness, and trust are "reasons for." This study found that "reasons against" negatively affect attitude and adoption intention, while "reasons for" positively affect them. Behavioral Reasoning Theory is used for the first time to evaluate Bangladeshi hotel consumers' AI service assistant adoption intentions. As a new technology, AI assistants provide a better understanding of user usage. Furthermore, this study offers essential facts regarding the utilization of technology in the hospitality sector.
On the evaluation of lateral-torsional buckling of web-tapered cantilevers with doubly symmetric I-section
Authors: Yılmaz Tolga , Sertçelik Mustafa , Şengel Hasan Selim
Published: December 2023

Recently, structural engineers have tended to design stronger and lighter structures due to economic reasons, technical developments in computer-aided design, and improvements in manufacturing. The demand for designing stronger and lighter structures has led to the compulsory considering structural efficiency and stability loss at the design level. Lateral-torsional buckling (LTB) is a major stability loss for web-tapered cantilevers with doubly symmetric I-section, which are aesthetic and structurally efficient. The elastic LTB loads of these cantilevers should be calculated at the design level since the LTB may happen before bending stress reaches yield. Studies related to the LTB of cantilevers are rare and require numerical solutions since the LTB mode shape of cantilevers is complex compared to simply supported beams. The present study introduces an analytical procedure based on the energy method for calculating elastic LTB of web-tapered cantilevers with doubly-symmetric I-section in two different forms. The analytical model considers different transverse load types, positions of loads, and web tapering degrees. The analytical solutions were validated with one-dimensional finite element analysis using a beam element. Excellent accordance between results was demonstrated. The general LTB behavior of web-tapered cantilevers with doubly symmetric I-section was clarified with detailed comments based on results obtained from the presented analytical model.
Validation of three Indo-Chinese Clerodendrum (Lamiaceae)
Authors:   School of Science, Walailak University, Nakhon Si Thammarat 80161, Thailand, Satthaphorn Jiratthi , Paton Alan ,   Royal Botanic Gardens, Kew, Richmond, TW9 3AE, UK, Leeratiwong Charan ,   Division of Biological Science, Faculty of Science, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand
Published: December 2023

Re-examination of nomenclature of three Indo-Chinese species, Clerodendrum adenocalyx, C. nhatrangense and C. palmatolobatum reveals that their names are invalidly published according to Article 39.1. in the International Code of Nomenclature for Algae, Fungi, and Plants (ICN): all these species published in 1935 were described without a Latin diagnosis. Our study validates these species names and, in addition, C. adenocalyx is formally reported as a new record from Vietnam. Species description, distribution, ecological information and IUCN conservation status are provided.
Vertical Mixing in The Onshore Region of The Northwestern Maluku Sea, Indonesia
Authors: Priyono Bayu , Purwandana Adi , Kusmanto Edi , Nuratmojo Nuratmojo , Muhadjirin Muhadjirin
Published: December 2023

Spatio-temporal dynamics of vertical mixing in the northwestern Maluku Sea were quantified using the Thorpe Method from archived CTD datasets collected during the expedition of Baruna Jaya VIII RCO-LIPI on November 12–13, 2000. The turbulent kinetic energy (TKE) dissipation rate and vertical eddy diffusivity values inspected the variability of mixing properties. Higher values for both parameters were found at the shallower bathymetry, which is less than 1000 m deep. This suggests that the water column is vertically unstable as a result of being often subjected to internal solitary wave (ISW) breaking events. The strong temporal variability observed from the density profile also indicated a strong impact on internal tide activity. There was temporal fluctuation of the TKE dissipation rate as well as vertical eddy diffusivity values following semidiurnal periodicity, with typical variability up to one order of magnitude for both the dissipation and diffusivity. The range of fluctuation is [6.8×10-8 ? 9.3×10-7] W kg-1 and [1.5×10-5 – 5.4×10-3] m2s-1, respectively in the upper 200 m depth. This water generated a high dissipation rate and vertical diffusivity when regularly exposed to internal solitary waves breaking from the Lifamatola Passage.Keywords: mixing properties, CTD data, turbulent kinetic energy, vertical eddy diffusivity
Accumulation of Microplastics on Seagrass Leaves of Enhalus acoroides on Mare Island as a Conservation Area in North Maluku
Authors: Ramili Yunita , Umasangaji Halikuddin
Published: December 2023

Seagrass ecosystems have been indicated as the new hotspots of microplastics (MPs) in the marine environment. This work aimed at determining the potential of microplastics and epibionts accumulation on Enhalus acoroides leaves at the coast of Mare Island as one of the conservation areas in North Maluku region. Samples collection was carried out in August 2021 at two research locations, namely Maregam (Station 1) and Marekofo (Station 2) villages. Each of E. acoroides leaves (18 leaves) was observed for the presence of microplastic that attached on the epibionts of seagrasses. Seagrass leaves were collected using line transect which was stretched out to 50 m vertically seaward. Subsequently, the characterization of epibionts on the seagrass leave were determined according the rank of the cover percentage of epibionts. Meanwhile microplastics were identified referring to their shapes and colors under microscope observation. The results showed that three types of microplastics were embedded on the epibiont matrices of E. acoroides leaves namely fibers, fragments, and pellets. The average number of microplastic particles in E. acoroides leaves at station 1 was higher (9.1 MPs particles/leaf) than Station 2 (4.5 MPs particles/leaf). The accumulation of fiber type was higher at station 2 (76%) than station 1 (41%), conversely the accumulation of fragment type was higher at Station 1 (54%) than station 2 (19%), while pellets were found to be the least in both stations. Overall, seven colors of microplastic were found, namely blue, brown, black, red, green, orange and white, except at station 2 was absence of brown one. Station 1 was dominated by the white color (32%) while station 2 dominated by the black color (32%). According to the level of epibiont closure, it was found that the presence of microplastics was higher in the rank 1 epibiont at Station 1 where the epibiont covers less than 25%, while at station 2 was the highest one with the rank of 3 which meant that the epibiont covers was 50 – 75%. We concise that through this finding the society should be aware of microplastics extention on coastal area including seagrass leaves. Thus, the local government should pay attention of plastic debris management in the future to mitigate the impacts of these contaminants to the marine environment.Keywords: microplastics, Enhalus acoroides, epibiont, Mare Island
Theoretical Study regarding the General Stability of Upper Chords of Truss Bridges as Beams on Elastic Foundation
Authors: Răcănel Ionuţ-Radu
Published: December 2023

New or in-service truss bridges, with or without upper bracing systems, may display instability phenomena such as general lateral torsional buckling of the upper chord. The buckling of structural elements, particularly in the case of steel bridges, can be associated with the risk of collapse or temporary/permanent withdrawal from service. Buckling poses a significant danger as it often occurs at lower load values compared to those considered during the design phase. Additionally, this phenomenon can manifest suddenly, without prior warning, rendering intervention for its prevention impossible or futile. In contemporary times, most research and design calculation software offer the capability to establish preliminary values for buckling loads, even for highly intricate structures. This is typically achieved through linear eigenvalue buckling analyses, often followed by significantly more complex large displacement nonlinear analyses. However, interpreting the results for complex bridge structures can be challenging, and their accuracy is difficult to ascertain. Consequently, the objective of this paper is to introduce an original method for a more straightforward estimation of the buckling load of the upper chord in steel truss bridges. The method utilizes the theory of beams on an elastic foundation. The buckling load of the upper chord was determined using both the finite element method and the proposed methodology, yielding highly consistent results.
A Multi-Modality Fusion and Gated Multi-Filter U-net for Water Area Segmentation of Remote Sensing
Authors: Wang Rong fang , Zhang Chen chen , Chen Chao , Hao Hong xia , Li Wei bin , Jiao Li cheng
Published: December 2023

Water area segmentation in remote sensing is of great importance for flood monitoring. To

overcome some challenges in this task, we construct the Water Index and Polarization Information

(WIPI) multi-modality dataset and propose a multi-Modality Fusion and Gated multi-Filter U-Net

(MFGF-UNet) convolutional neural network. The WIPI dataset enhances the water information and

reduces the data dimension. In particular, the Cloud-Free label provided in the database effectively

mitigates the issue of scarcity of labeled samples Since a single form or uniform kernel size cannot

handle the variety in size and shape of water bodies, we proposed the gated multi-filter inception

(GMF-Inception) module in our MFGF-UNet. Moreover, we utilize the attention mechanism by

introducing the Gated Channel Transform (GCT) skip connection and integrating GCT into GMF-

Inception to further improve model performance. Extensive experiments on three benchmarks,

including WIPI, Chengdu and GF2020 datasets demonstrate that our method achieves favorable

performance with lower complexity and better robustness against six competing approaches. For

example, on WIPI, Chengdu and GF2020 datasets, the proposed MFGF-UNet model achieves F1 of

0.9191, 0.7410, and 0.8421, respectively, which average F1 on three datasets is 0.0045 higher than the

U-Net model and reduces 62% average GFLOPs. New WIPI dataset, code and trained models have

been released on GitHub
Advances in Otorhinolaryngological Community Services: The HearWHO App in Southern Nigeria
Authors: Akpalaba Immaculata Ogechi , Martin OKHAWERE Imouokhome , Akpalaba Raphael Uchenna Enyinnaya , Ogisi Festus Oritsemajemite
Published: December 2023

BACKGROUND:
Current research recorded hearing loss in 8.5million Nigerians. Hearing loss can be prevented and treated. Most individuals in the communities are unaware. Available hearing screening instruments are not readily accessible in communities. Regular screening is the key. Hence, the introduction of the HearWHO App in the communities, a mobile hearing screener.

AIM: - To detect hearing loss and otological disorders
- To validate the HearWHO App in the communities
- To launch the HearWHO App in the communities
MATERIALS AND METHODS: Commenced after obtaining due ethical clearance, informed consent and permissions. A 3 year duration study (March 2020 to March 2022). Study centres were 4 motor parks in Benin City Edo State (Muyi line, Faith motors, Iyare motors and Magorawa terminal) and 2 hospitals in Ondo City, Ondo state (General Hospital and Trauma Centre of the UNIMEDTH complexes). Ambient noise was recorded. Total population sampling technique was used. Health education was given. Using the HearWHO App in mobile smartphone connected to ear piece, each participant’s ears were tested. Each ear was regarded as a separate entity. Otoscopy was done. Findings of hearWHO App were compared with Otoscopic findings. Data realized were documented and analyzed with SPSS -23. P value < 0.05 was regarded statistically significant.

RESULTS: 175 individuals participated, giving 350 ears examined. There were abnormal HearWHO findings in 77.4% ears compared to abnormal Otological findings in 65.0% ears. Predominant otological disorder was Eustachian Tube Dysfunction. Association of HearWHO finding with location was statistically significant (P=0.014).

CONCLUSION AND RECOMMENDATION:
Hearing loss and otological disorders were detected. There was agreement between HearWHO normal findings and normal otological findings.
Based on challenges encountered, there is need to develop additional Apps or modify the HearWHO App to ensure Sustainable Developmental Goal -3 (SDG -3).
Thus, creating a better future today making impact with mobile technology.
Enhancement of Database NORAD-Atomic-Data for Atomic Processes in Plasma
Authors: Nahar Sultana N. , Hinojosa-Aquirre Guillermo
Published: December 2023

We report recent enhancements of the online atomic database at the Ohio State University, NORAD-Atomic-Data, that provides various parameters for radiative and collisional atomic processes dominant in astrophysical plasma. NORAD stands for Nahar Osu RADiative. The database belongs to the data sources, especially for the latest works, of the international collaborations of the Opacity Project and the Iron Project. The contents of the database are calculated values for energies, oscillator strengths, radiative decay rates, lifetimes, cross sections for photoionization, electron-ion recombination cross sections and recombination rate coefficients. We have recently expanded NORAD-Atomic-Data with several enhancements over those reported earlier. They are as follows. i) We continue to add energy levels, transition parameters, cross sections for atoms and ions with their publications. ii) Recently added radiative atomic data contains significant amount of transition data for photo-absorption spectral features corresponding to x-ray resonance fluorescence effect, prominent wavelength regions of bio-signature elements, such as phosphorus ions, and emission bumps of heavy elements, such as of lanthanides, that may be created in a kilonova event. We are including iii) collisional data for electron-impact-excitation, iv) experimental data for energies and oscillator strengths for line formation, v) experimental cross sections for photoionization that can be applied for benchmarking and other applications, and vi) introduction of a web-based interactive feature to calculate spectral line ratios at various plasma temperature and density diagnostics, starting with our recently published data for P II. We presented summary description of theoretical backgrounds for the computed data in the earlier paper. With introduction of experimental results, we present summary description of measurement of high resolution photoionization cross sections at Advanced Light Source of LBNL synchrotron set-up and briefly discuss other set-ups. These additions should make NORAD-Atomic-Data more versatile for various applications. For brevity, we provide information on the extensions and avoid repetition of data description of the original paper.
Synthesis and Characterization of Mesoporous Silica Nanoparticles Loaded with P-cymene against Rice Bacterial Blight
Authors: Li Chaonan , Mo Yalan , Jiao Luying , Li Xiaogang
Published: December 2023

Mesoporous silica nanoparticles (MSNs) can be used as carrier materials for the controlled release of pesticides while reducing their negative environmental impact. In this study, we screened an active ingredient, p-cymene (PC), with an excellent inhibitory effect on rice bacterial blight. Subsequently, the PC was successfully loaded onto MSNs via physisorption(PC@MSNs). PC@MSNs, characterized by a regular spherical shape, smooth surface, and an MSN average size of 262.9 nm, achieved an 8.6 % drug loading capacity. The release kinetics of the PC from the PC@MSNs demonstrated a sustained release (288 h) pattern influenced by drug diffusion. The efficacy of the PC@MSNs against Xanthomonas oryzae pv. Oryzae paralleled those of PC. Acute toxicity assays re-vealed that the PC@MSNs were less toxic to aquatic life (LC50=257.867 mg/L) and that the formu-lation showed no adverse effects on rice seedling growth. In summary, these results suggest that PC@MSNs can broaden PC's application scope in managing rice diseases.
Computer modeling of electron emission processes in strong electromagnetic fields
Authors: Kudryashova Tatiana Alekseevna , Galstyan Evgeniy Armenovich , Polyakov Sergey Vladimirovich , Tarasov Nikita Igorevich
Published: December 2023

The paper discusses the problem of computer simulation of electron emission processes in strong electromagnetic fields. In this work, a numerical method for calculating electron emission from the surface of a metal cathode for the axial symmetric geometry of a technical system is proposed. For modelling, the particle method and grid calculations of electromagnetic fields based on Maxwell's equations are applied. The approach uses the representation of large smoothed Gaussian particles and implements calculations of the electromagnetic fields on Cartesian spatial grids. The software realization is directed towards on parallel computing. The calculation of the emission process in a coaxial cylindrical diode with magnetic self-insulation with the use of developed technique was carried out. The process is considered for two situations: with and without the longitudinal plasma layer. The calculations show that the presence of plasma leads to an increase in the emission current. This result is consistent with the results of experiments.
PERBANDINGAN METODE COILED TUBING DAN PUMP PADA APLIKASI SOLVENT TREATMENT BERDASARKAN PARAMETER SUCCESS RATIO DAN CUT OFF DI LAPANGAN FASH
Authors: Melysa Richa , Anwar Irwan , Sulistya Jehan , Afdal Afdal
Published: December 2023

ABSTRAK
Fash field merupakan lapangan dengan kategori heavy oil yang dikelola oleh PT. Chevron Pacific Indonesia dengan jenis batuan batu pasir. Sehingga seiring dengan produksi minyak ke permukaan maka akan timbul masalah produksi seperti asphaltene. Untuk mengatasi masalah asphaltene digunakan pelarut untuk melarutkan asphaltene dalam bentuk pelarut. Ada 2 cara yang digunakan untuk melakukan injeksi solvent yaitu dengan menggunakan coiled tubing dan dengan menggunakan pompa. Pada penelitian ini akan dibahas tingkat keberhasilan masing-masing metode dalam aplikasi perlakuan pelarut dan penentuan nilai ambang batas guna menentukan calon sumur yang tepat untuk setiap metode yang digunakan. Dalam menentukan tingkat keberhasilannya, Minimum oil recovery untuk masing-masing metode yaitu coiled tubing dan pump adalah 8 bopd dan 4 bopd serta untuk menentukan nilai threshold digunakan parameter yang memiliki nilai tertentu sebagai acuan untuk memaksimalkan penggunaan existing metode dalam aplikasi perawatan pelarut. Parameter yang digunakan adalah kadar aspal (%), water cut (%), suhu kepala sumur (°F), dan suhu reservoir (°F).
Dunia Literasi Penerus Bangsa di Desa Sruni
Authors: Rosnawati Emy
Published: December 2023

Kata syukur selalu tercurahkan kepada Allah Subhanallahu wa Ta’ala yang senantiasa melimpahkan rahmat, hidayah serta inayah-Nya, sehingga kami dapat melaksanakan Program Pengabdian Masyarakat – Terpadu Universitas Muhammadiyah Sidoarjo Tahun 2019 dengan baik. Shalawat serta salam senantiasa kita haturkan kepada junjungan Nabi Muhammad SAW, keluarga, sahabat serta penerusnya dan semoga kita mendapatkan syafa’at. Kegiatan yang diselenggarakan oleh Universitas Muhammadiyah Sidoarjo ini merupakan Pengaplikasian Catur Dharma Perguruan Tinggi yaitu pendidikan, penelitian dan pengabdian masyarakat, serta dharma keempat yaitu sebagai dharma moral yakni, perguruan tinggi sebagai “Lembaga Percontohan Moral”.
Surface Composition of Centaurs: insights into the thermal evolution of TNOs
Authors: Licandro Javier , Pinilla-Alonso Noemi , Holler Bryan , De Prá Mario , Melita Mario , Feliciano Ana Carolina de Souza , Brunetto Rosario , Guilbert-Lepoutre Aurélie , Hénault Elsa , Lorenzi Vania , Stansberry John , Schambeau Charles , Harvison Brittany , Pendleton Yvonne , Cruikshank Dale , Müller Thomas , McClure Lucas , Emery Joshua , Peixinho Nuno , Bannister Michele , Wong Ian
Published: December 2023

This study examines the 0.6 - 5.3 μm reflectance spectra obtained with JWST/NIRSpec spectrograph of five24
Centaurs: 52872 Okyrhoe (1998 SG35), 32532 Thereus (2001 PT13), 136204 (2003 WL7), 250112 (20027825
KY14), and 310071 (2010 KR59). Our analysis uncovers two distinct compositional groups within the Centaur26
population: water-rich and carbon-rich objects, echoing findings in the trans-Neptunian object (TNO) population.27
Significant variations in spectral-class distribution suggest differing surface compositions, especially in their28
upper layers. Centaurs, when passing through the giant planet region and experiencing heightened temperatures,29
exhibit less icy and more refractory surfaces than TNOs due to volatile species sublimation. Spectral models30
indicate a high abundance of amorphous silicates, signifying a substantial presence of “primitive” (or cometary-31
like) dust rich in such silicates. Similar populations (comets, Jupiter Trojans, Main Belt Comets, and D-type32
Asteroids) with comparable initial compositions are expected to exhibit spectral traits evolving due to thermal33
effects.
Improving respectful maternity care through group antenatal care: findings from a cluster randomized controlled trial.
Authors: Lanyo Theresa Norpeli , Zielinski Ruth , Kukula Vida A. , Apetorgbor Veronica E.A. , Ghosh Bidisha , Lockhart Nancy A. , Lori Jody R.
Published: December 2023

Background: Disrespect and patient mistreatment are identified as barriers to care-seeking and low uptake of facility-based deliveries. These mitigating factors have led to slow progress in the achievement of maternal and child health targets, especially in Ghana. Group antenatal care, as an alternative to individual antenatal was implemented to explore the impact on outcomes, including mothers' perception of respectful care.
Methods:A cluster randomized controlled trial was conducted in 14 health facilities across four districts in the Easter Region of Ghana. These facilities were randomized to intervention or control using a matched pair. Data was collected at several timepoints: enrollment (Time 0), 34 weeks gestation to 3 weeks post-delivery (Time 1), 6 to 12 weeks post-delivery (Time 2), 5 to 8 months post-delivery (Time 3), and 11 to 14 months post-delivery (Time 4). Questions related to respectful care were asked at Time 2, while a focus group discussion (FGDs) was conducted as part of a process evaluation to examine participants' experiences about respectful maternity care.
Results: The findings from the intervention group indicate that participants perceived higher levels of respect in comparison to the control group. Privacy and confidentiality were maintained. They believed they had been provided with adequate information, education, and counseling, empowering them to make informed decisions. Participants perceived a shortened waiting time and reduced discrimination in care provision. Generally, there were higher levels of satisfaction with antenatal care.
Conclusion: The provision of respectful maternity care, which is essential to increasing healthcare utilization, has been demonstrated to correlate positively with group antenatal care.
Synthesis and investigation of optical properties and enhancement photocatalytic activity of TiO2 - SnO2 semiconductor for degradation of organic compounds
Authors: Sadik wagih , Eldemerdash AbdelGaffar , Nashed Adel William , Mostafa Amr , Lamie Elsayed
Published: December 2023

Industrial wastewater treatment using UV irradiation in combination with oxidants or catalysts (TiO2) has attracted attention as a promising substitute for conventional methods. Studying the preparation and characterization of TiO2-SnO2 nanocomposites with different ratios, as well as their use in the enhanced photocatalytic degradation of acid red 37 dye in aqueous solution under UV irradiation as a model pollutant, are the goals of the research. The crystalline structures of the prepared nanomaterials were confirmed by XRD and the surface morphology of the samples was studied by TEM. The elemental compositions of the catalysts were confirmed by EDAX. The optical properties of the powder samples were analyzed with UV-VIS spectroscopy and their band gaps were estimated. The photocatalytic degradation was investigated using several advanced oxidation techniques using a batch photoreactor. The TiO2-SnO2 (90:10) nanocomposite showed the best degradation efficiency.