bluuebunny/crossref_metadata_2025_split huggingface dataset:
Physico-chemical and Mechanical Assessments of a New 3D Printed PMMA-Based Acrylic Denture Base Material
Authors: Ataei Kosar , Ghaffari Tahereh , Moslehifard Elnaz , Dizaj Solmaz Maleki 
Published: February 2024

Background
Three-dimensional (3D) printing is progressively being applied in the dental arena due to its time-saving potential and low cost, especially for the digital preparation of acrylic resin denture bases in the treatment of edentulism.

Objective
This study investigated the flexural strength, surface properties, water sorption, and solubility of a new poly (methyl methacrylate) (PMMA) resin denture base fabricated with a 3D printer (test group) and compared it with a conventional heat-cured resin (control group).

Materials and Methods
Sixty cuboid wax samples were prepared from two groups, with a thickness of 4 mm and dimensions of 10×80 mm. Then, half of the samples in each group were thermocycled to determine the strength, surface properties, water sorption, and solubility of the samples. Two-way ANOVA and independent t-test were used at a significance level of 0.05 after the normality of data in groups was tested with the Kolmogorov-Smirnov.

Results
Based on the obtained results, the flexural strength was higher in heat-cured resins than in the resin fabricated with the 3D printer. However, the flexural strength values in both resins were clinically acceptable (65 MPa) based on ISO standards. There was no significant difference in the mean flexural strength in the presence or absence of thermal stress for both groups. The layered structure was observed in the samples fabricated with two groups. However, the layering structure disappeared in all cases after polishing. The layering structure had no differences in the presence or absence of thermal stress. Mass change over time was observed for all groups. In the water sorption phase, the mass increased rapidly in the first 7 days, and then the increase rate decreased until it reached an equilibrium on day 21. In the desorption phase, the mass decreased steadily in the first 7 days, and then reduction was continued until equilibrium was obtained on day 21 of the dewatering process.

Conclusion
The 3D printer samples had greater water sorption, and no differences were found between the solubility of 3D printer samples and heat-cured samples. Heat-cured resin exhibited enhanced water sorption after thermal cycling, and 3D-printed materials displayed no significant change.
Explaining the Performance of Nurses in Order to Prevent Nosocomial Infections in Urmia City Hospitals: Application of the Health Belief Model
Authors: Rezapour Baratali , Sharafkhani Naser 
Published: February 2024

Background
Nosocomial infections (NIs) are one of the medical, social, and economic problems in developing countries and can be prevented. Studying the etiology of NI is one of the most essential activities for designing prevention programs. The purpose of this study was to explain the constructs of the health belief model (HBM) regarding nurses' compliance with standard precautions for the prevention of NI in Urmia hospitals.

Methods
This cross-sectional study was conducted on 224 nurses of Urmia hospitals who were selected by employing the multi-stage method. The data collection tool was a questionnaire containing demographic characteristics, an HBM questionnaire associated with the prevention of NI, and questions related to the observance of nurses in the field of standard precautions to prevent NI. Data were analyzed using descriptive and inferential statistical methods in SPSS software version 22.

Results
The results of this study showed the average performance score of nurses in relation to adopting preventive behaviors against NI (71.97 ± 11.08) as acceptable. Also, the results of the study showed that among the constructs of the HBM, perceived susceptibility, perceived severity, perceived benefits, perceived barriers, cue to action, and self-efficacy are the most important predictors of adopting preventive behaviors against NI with a variance of 52% among the nurses.

Conclusion
According to the results of this study, the constructs of self-efficacy, perceived barriers, cue to action, perceived benefits, and perceived intensity are, respectively, the strongest predictors of compliance with standard precautions to prevent hospital infections. Therefore, the results of this study can be useful for health service providers in planning and designing interventions, and determining appropriate strategies for the prevention and control of NI.
Social Risk Factors Contributing to Anxiety, Depression and Stress among Indian Healthcare Students during Lockdown
Authors: Manjareeka Magna , Kanungo Pratyush , Yadav Srijan , Das Ram Chandra 
Published: February 2024

BackgroundThe increase in mental health disorders among the general population, healthcare workers and students during the pandemic was evident. There are scanty reports regarding the mental health status of students in the health care services from India during the pandemic lockdown. This study aims to find the risk factors of anxiety and stress among these students and to evaluate the adapting mechanisms to alleviate the same.MethodsA web-based cross-sectional survey was perfomed in students undergoing undergraduate courses in various healthcare services after institutional ethical clearance. The study tool was a pre-validated self-administered questionnaire in the google form. The link was shared in various WhatsApp groups to be shared among students with a brief description of the study after proper content validation.ResultsOf the 527 respondents, 291 (56%) were females, 385 (74%) were in MBBS Courses, and 178 (34%) were from government colleges. Prevalence of anxiety, depression and stress were 372 (70.6%), 360 (68.3%) and 262 (49.7%), respectively. The mean scores of anxiety, depression and stress were 14.33 ± 10.4, 17.24 ± 12.21 and 16.60 ±10.4, respectively. The presence of anxiety, depression and stress was not associated with age, course and year of study, type of Institutions in which they study, socioeconomic status and performance in the recent written examination. There was no association of gender with anxiety and depression, but females had more stress than males (p = .025). Extremely severe levels of anxiety, depression and stress were seen in 158 (30%), 124 (23.5%) and 43 (8%), respectively. A total of 296 (57%) of the students started a new hobby during the lockdown. Students who felt relaxed after talking to their teachers or mentors, students who shared talks with family members and friends, students whose parental fights were less, and students who opened up with parents were less likely to have anxiety and stress.ConclusionThe prevalence of anxiety, depression and stress in healthcare students from our country was very high. Most of the students needed motivation during the pandemic lockdown. Proper psychological support to students of health care services is a necessity in such a crisis situation.
Fatal Crash Occurrence Prediction and Pattern Evaluation by Applying Machine Learning Techniques
Authors: Masud Saumik Sakib Bin , Hossain Abid , Akter Nazifa , Mohammed Hemin 
Published: February 2024

Background
Highway safety remains a significant issue, with road crashes being a leading cause of fatalities and injuries. While several studies have been conducted on crash severity, few have analyzed and predicted specific types of crashes, such as fatal crashes. Identifying the key factors associated with fatal crashes and predicting their occurrence can help develop effective preventative measures.

Objective
This study intended to develop cluster analysis and ML-based models using crash data to extract the prominent factors behind fatal crash occurrences and analyze the inherent pattern of variables contributing to fatal crashes.

Methods
Several branches and categories of supervised ML models have been implemented for fatality prediction and their results have been compared. SHAP analysis was conducted using the ML model to explore the contributing factors of fatal crashes. Additionally, the underlying hidden patterns of fatal crashes have been evaluated using K-means clustering, and specific fatal crash scenarios have been extracted.

Results
The deep neural networks model achieved 85% accuracy in predicting fatal crashes in Kansas. Factors, such as speed limits, nighttime, darker road conditions, two-lane highways, highway interchange areas, motorcycle and tractor-trailer involvement, and head-on collisions were found to be influential. Moreover, the clusters were able to discern certain scenarios of fatal crashes.

Conclusion
The study can provide a clear image of the important factors related to fatal crashes, which can be utilized to create new safety protocols and countermeasures to reduce fatal crashes. The results from cluster analysis can facilitate transportation professionals with representative scenarios, which will benefit in identifying potential fatal crash conditions.
Is Stress Urinary Incontinence Symptom Determined by the Severity of
Anterior Compartment Prolapse?
Authors: Moegni Fernandi , Anggayana Adri Dwi , Adjie Seno , Hakim Surahman , Priyatini Tyas 
Published: February 2024

Background:
Stress urinary incontinence (SUI) and pelvic organ prolapse (POP) would develop
simultaneously because of the same etiopathogenesis of pelvic floor weakness. Some studies
have said the association between SUI symptoms may be determined by the degree of anterior compartment
prolapse. Then some incidences of occult SUI could also mask the symptom of SUI in the
severe stage of POP.

Methods:
A total of 32 women diagnosed with POP and SUI from the urogynecology clinic were included
in a cross-sectional study between 2019 and 2020. The degree of anterior compartment prolapse
was measured using the POP-Q system (Ba point), while SUI's severity was measured using a 1-
hour pad test in grams. The correlation between the severity of SUI (with the occurrence of occult
SUI) and the anterior compartment prolapse was analyzed.

Results:
No correlation was observed between the degree of anterior compartment prolapse and SUI
degree (r = 0.240, p = 0.182). Occult SUI was found in only 5/24 (20.8%) grade III and IV anterior
compartment prolapse cases.

Conclusion:
SUI symptom was not determined by the severity of anterior compartment prolapse. The
prevalence of occult SUI in severe POP was also low.
Identifying Links Between Productivity and Biobehavioral Rhythms Modeled From Multimodal Sensor Streams: Exploratory Quantitative Study
Authors: Yan Runze , Liu Xinwen , Dutcher Janine M , Tumminia Michael J , Villalba Daniella , Cohen Sheldon , Creswell John D , Creswell Kasey , Mankoff Jennifer , Dey Anind K , Doryab Afsaneh 
Published: February 2024

Background
Biobehavioral rhythms are biological, behavioral, and psychosocial processes with repeating cycles. Abnormal rhythms have been linked to various health issues, such as sleep disorders, obesity, and depression.

Objective
This study aims to identify links between productivity and biobehavioral rhythms modeled from passively collected mobile data streams.

Methods
In this study, we used a multimodal mobile sensing data set consisting of data collected from smartphones and Fitbits worn by 188 college students over a continuous period of 16 weeks. The participants reported their self-evaluated daily productivity score (ranging from 0 to 4) during weeks 1, 6, and 15. To analyze the data, we modeled cyclic human behavior patterns based on multimodal mobile sensing data gathered during weeks 1, 6, 15, and the adjacent weeks. Our methodology resulted in the creation of a rhythm model for each sensor feature. Additionally, we developed a correlation-based approach to identify connections between rhythm stability and high or low productivity levels.

Results
Differences exist in the biobehavioral rhythms of high- and low-productivity students, with those demonstrating greater rhythm stability also exhibiting higher productivity levels. Notably, a negative correlation (C=–0.16) was observed between productivity and the SE of the phase for the 24-hour period during week 1, with a higher SE indicative of lower rhythm stability.

Conclusions
Modeling biobehavioral rhythms has the potential to quantify and forecast productivity. The findings have implications for building novel cyber-human systems that align with human beings’ biobehavioral rhythms to improve health, well-being, and work performance.
Auditors’ and Tax Specialists’ Interprofessional Collaboration during Audit Engagements: Implications for Audit Production and Audit Quality
Authors: Hux Candice T. , Andiola Lindsay M. , Noga Tracy J. 
Published: February 2024

ABSTRACT
Tax specialists are often part of interprofessional teams that conduct financial statement audits, yet little is documented about their role and collaboration with auditors during these engagements or their contributions to audit quality. Our interviews with 33 highly experienced audit and tax professionals reveal variation in tax specialists’ roles during audits. Further, we find that auditors and tax specialists perceive a greater need for interdependence of expertise, particularly across different types of tax experts, due to increased tax specialization and global tax complexity. However, our interviewees acknowledge that power dynamics and differing attitudes toward shared goals and partnership affect the collaboration process. Interviewees also report instances where ineffective collaboration impacted audit quality. Collectively, we document how auditor and tax specialists’ collaboration (or lack of) influences both audit production and quality, providing insight for practice, regulators, and research regarding tax specialists’ audit involvement and extending the interprofessional collaboration literature to accounting.
JEL Classifications: L84; M40; M42.
The Joint Effect of Justification and Ambiguity on Operating Decision Distortion
Authors: Qu Hong , Ackert Lucy F. , Hermanson Dana R. , Popova Velina K. 
Published: February 2024

ABSTRACT
We examine the interactive effect of justification and ambiguity on the tendency to distort operating decisions in an incentivized experiment. Managers decide whether to drop or keep a project on behalf of the owners. Although dropping the project always leads to higher payoffs for managers, keeping the project leads to higher payoffs to the owners for projects with good future outcomes. Dropping a project with good future prospects is akin to real earnings management (REM), such as cutting R&D to meet bonus targets. We find that justification increases REM when project outcomes are ambiguous but has no effect when the distribution of project outcomes is known. Ambiguity gives flexibility for managers to craft a plausible justification for dropping the project that appears accountable to the owners. The opportunity for impression management makes selfish actions more attractive to managers because it helps to promote a positive social image.
Development of the LNG market in the European Union in the context of war Russia-Ukraine
Authors: Pach-Gurgul Agnieszka 
Published: February 2024

According to the latest data from the International Energy Agency, global LNG trade increased by almost 6% year-on-year between January and August 2022. It was dominated by rising demand for the commodity in the European Union. This was driven by sharp cuts in linear gas supplies from Russia, which are linked to the EU's stance of abandoning Russian supplies due to Russia's war with Ukraine, and the subsequent imposition of sanctions by the European Union on Russia. In January-August 2022 alone, LNG imports into the EU increased by as much as 65% (43 bcm) compared to the same period in 2021. Such a significant increase in the supply of LNG to European countries was also made possible by a decline in demand for LNG in the Asia-Pacific region, due to the mild winter, high price levels, and disruptions related to Covid-19 and the aftermath of lockdowns in China. The cut-off of gas supplies from Russia has shown that the LNG market in the EU can play an important role in both the region's energy security and energy transition. In fact, the European Commission treats gas as a blue fuel, much less carbon-intensive than other conventional energy sources such as coal or oil. An additional advantage of LNG is the possibility to transport this fuel from various locations, rapid change of supply directions, and the more extensive possibilities for its storage. For an EU struggling for a stable supply of raw material, pursuing the Green Deal and carrying out an energy transition, this is an option that could become a strategic element in the long term. The research objective of this article is to investigate and analyze how the share of LNG in the EU's energy mix has changed and in what direction it is affecting EU energy security after Russia's aggression in Ukraine.
Analysis of the Position of Marriage Witnesses in the Opinions of the Four Madzhabs Fiqh and Regulations in Indonesia
Authors: Nasrulloh Adang Muhamad , Nur Cholis Mujiyo , Sucipto Imam 
Published: February 2024

This article responds to the birth of legislation that has a correlation with marriage law as a form of uniformity and legal certainty, although there are still differences of opinion and debate among Indonesian Muslim communities regarding the position of witnesses in marriage. the discussion of witnesses to marriage is interesting to discuss, how are witnesses to marriage in the views of fiqh four madzhab and how the position of witnesses to marriage in Indonesian legislation. Using the literature review method (literature study) primary and secondary data sources from books, journals, other regulations. The results showed that first, a marriage witness according to the fiqh of four madzhab is a person who knows correctly and with certainty, his testimony can be accounted for in the future if needed by one of the spouses about the occurrence of a marriage event. The position of marriage witnesses in the legislation as a pillar of marriage, this is adopted from the opinion of the Shafi'i madzhab. Two witnesses are the minimum requirement in marriage. The purpose of requiring witnesses is to prevent negative issues from the community regarding extramarital relationships. Then the existence of marriage witnesses as a confirmation of the rights that arise after the marriage contract such as mushaharah relations, nafakah rights and inheritance rights.
Keywords: Marriage Witness, Fiqh, Law.
Research on Innovative Teaching Path of English Literature in Colleges and Universities Based on Multimodal Discourse Analysis
Authors: Wang Yan , Du Hongbo 
Published: February 2024

Abstract
English literature teaching can improve students’ literary literacy and English proficiency. In this paper, we preprocess the English literature teaching data in colleges and universities from the two modalities of visual information and auditory information, extract the features of auditory modality, text modality, and video modality of the classroom respectively, and represent the features using bidirectional long-time memory neural network. A multilayer attention network mechanism is introduced to complete multimodal fusion in English literature teaching and label multimodal features after the extraction is done. On this basis, a student-centered innovative teaching path for English literature in colleges and universities is constructed, and teaching practice and multimodal discourse analysis are carried out to explore its teaching effect. The results show that the length of time used for facial smiles in inefficient classrooms (780.52/s) is significantly more than that in inefficient classrooms (150.22/s), and the length of time used for eye interactions (832.63/s) is significantly more than that in inefficient classrooms (720.44/s), and the length of time used for animations (450.42/s) is significantly more than that in inefficient classrooms (128.88/s), and efficient classrooms are more emphasized on student interactions. Students’ reading and writing abilities were significantly different from those before the practice (P<0.05). This study suggests that promoting innovation in teaching English literature in colleges and universities can have a positive practical significance.
Reform of educational management work in higher education based on departmental sociology in the context of intelligent technology
Authors: Zhu Xiaoyang 
Published: February 2024

Abstract
Based on Apriori algorithm and BP neural network technology, this paper deeply integrates association rules and data mining technology in education and informatization management, which provides a new method and a new way of thinking for reforming education management work in the context of intelligent technology. In real-life settings, education management is being managed using this new method. Taking the university district of DN201 as the research object, the allocation level of basic education resources in the university district is measured and optimized in a balanced way through indicator analysis. The parameter settings described allowed for the search of strong correlation rules for the mastery level of students in each course cluster. The results show that SN201 has the highest level of educational resource allocation at 8.32. SN215 is at the lowest level at 2.62. This shows that there is an imbalance in its resource allocation. The coefficient of variation of educational resource allocation of SN217 is 0.83 before optimization, and after optimization, the coefficient of variation is 0.65, and the variation becomes lower. The courses have a higher level of enhanced strong association than 4.
The Role of Vocational Education in the Integration of Culture and Tourism in the Information Age and Its Implementation Paths
Authors: Li Meng , Han Yueyang , Hu Yaju , Sun Xu 
Published: February 2024

Abstract
This paper constructs the coupling logic of the two systems of vocational education and cultural tourism with the joint action of external and internal driving forces. It contributes to the coupling of the two systems through the synergistic relationship of same-frequency resonance and applies dimensionless processing to data checking and data cleaning of vocational education data. The coupling coordination development level of vocational education and the cultural tourism industry can be measured using the modified coupling coordination degree model. An empirical study of the coupling coordination degree of vocational education and cultural tourism industry in Province G is conducted using the entropy value method. The results show that the coupling and coordination degree of vocational education and cultural tourism system in province G shows a decreasing trend from 2013 to 2019, and the coupling and coordination degree between the development level of the cultural tourism industry and vocational education gradually rises to 0.658388 in 2022 after 2019, and the interaction between the two is gradually obvious. The integration of industry and vocational education in cultural tourism is promoted by this paper through valuable references and drawable ideas.