bluuebunny/crossref_metadata_2025_split huggingface dataset:
THE EFFECT OF YOGA ON SLEEP QUALITY AND INSOMNIA IN WOMEN WITH SLEEP PROBLEMS : A SYSTEMATIC REVIEW
Authors: Nugraheni Artha Investari , Rahmah Dini Amelia , Agus Prastyo Wahyu , Azhari Ririn , Merisa L Bella , Ananda Astrid , Syarfina Afdila 
Published: March 2024

Background: With prevalence estimates ranging from 4% to over 20% of the adult population, insomnia is the most prevalent sleep complaint and a serious public health problem. Yoga has also been utilized therapeutically since it is thought that various styles of yoga might have distinct psychophysiological effects.
Aims : This systematic review is to review the effect of yoga on sleep quality and insomnia in women with sleep problem.
Methods: This study demonstrated compliance with all requirements by means of a comparison with the standards established by the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) 2020. Thus, the specialists were able to guarantee that the research was as current as feasible. Publications released between 2014 and 2024 were considered for this search strategy. This was accomplished by utilizing a number of distinct online reference sites, including Pubmed, ScienceDirect, and SagePub. It was determined that reviews, previously published works, and partially completed works would not be included.
Result: In the PubMed database, the results of our search brought up 33 articles, whereas the results of our search on SAGEPUB brought up 416 articles, our search on SCIENCE DIRECT brought up 1107 articles. The results of the search conducted for the last year of 2014 yielded a total 26 articles for PubMed, 265 articles for SAGEPUB and 684 articles for SCIENCE DIRECT. In the end, we compiled a total of 7 papers, 4 of which came from PubMed, 1 of which came from SAGEPUB and 2 of which came from SCIENCE DIRECT. We included seven research that met the criteria.
Conclusion: In summary, when compared to non-active control settings, yoga intervention can help women manage their sleep issues in either pregnant women, worker, or women with disease.
Improvement of Curvature Change Rate (Parameter) in Two-Line Rural Roads
Authors: Bertulienė Lina , Girdvainis Romas , Juknevičiūtė-Žilinskienė Lina , Gintalas Vilimas 
Published: March 2024

The studies in various countries show that one of the main causes of accidents on rural roads still remains the drivers’ errors in choosing safe speed, which can be attributed to the errors of perceiving the road alignment. The current practice shows that the engineering safety improvement measures as well as accident prevention measures such as intersection design, traffic signs and equipment, facilities for vulnerable road users, access management, and human behaviour are not always effective. Probably, one of the alternatives to solve this problem is a design methodology that is used in the European Union countries and based on road safety criteria and road safety module. This methodology is aimed at ensuring design consistency between the elements of road alignment in a way that the driver intuitively chooses safe speed or the probability of errors in perceiving the road alignment is minimum. The article presents experimental research carried out in Vilnius Gediminas Technical University, the objective of which is to determine the accuracy of road safety module and to suggest possible alternatives for its improvement.
The Appearance of Grotesque Forms in Crystal Manor Tales
Authors:   Faculty of Arts and Sciences, Kocaeli University, Turkey, Sazyek Esra 
Published: March 2024

The term “grotesque”, derived from the Italian word “grotto” for underground caves, refers to the ornamental art in which human, animal, and plant motifs are intertwined on the walls of Nero’s Golden House (Domus Aurea), discovered during the Roman excavations in 1480. However, over time, it has abandoned its decorative meaning and become a form of expression in art and literature, which is sometimes associated with the humorous and sometimes with the tragic. Adjectives such as “absurd”, “outrageous”, “strange”, and “incompatible” characterize the grotesque, which is intended to surprise, frighten, and disgust an audience as well as make them laugh. More importantly, the grotesque exists across the folk mythology and pre-classical works of many cultures as a significant means of expression that takes and presents the ugly and formless from within an exciting life. The present study examines Crystal Manor Tales through the lens of the grotesque theory, which Russian literary theorist Mikhail Bakhtin conceptualized in his work Rabelais and His World (2005 [1965])1 by associating it with medieval and Renaissance carnivals. Therefore, it has been determined that the tales aim to expose society’s flaws through the grotesque images they convey, as well as to establish a healthier order by excluding un-desirable behaviors.
Impact of workplace exercise program in the musculoskeletal symptomatology of warehouse workers: randomized control trial
Authors: Mesquita Cristina Carvalho , Félix José Manuel Sousa , Lopes Sofia da Rocha , Santos Paula Clara 
Published: March 2024

In industrialization sector, musculoskeletal disorders are very frequent and can be considered as one of the main problems. They are associated with pain, discomfort, and functional limitations. Exercise programs can improve the symptomatology and daily life activities. Aims: Evaluate the impact of a 21-month exercise program on musculoskeletal symptoms reports of warehouse workers. Methods and Materials: This study was a randomized controlled trial based on CONSORT guidelines. Sample was 249 male workers, randomized in two groups (96 intervention and 124 control group). The Portuguese version of Nordic Musculoskeletal Questionnaire was used to evaluate the musculoskeletal symptomatology at baseline (M0), after 11 months (M1) and after 21 months (M2). The flexibility, mobility and strengthening exercises were executed at the beginning of the working time, once a day, lasting eight minutes. The data were analyzed in SPSS® 25.0 for Windows® (p<0.05). Results: We verify a higher prevalence of problems in different body regions at both groups. The most common symptom, with higher proportion across all variables, was the low back region, followed by the neck, in both groups Most symptomatology was low back region in both groups before intervention. In the intervention group, was verify decrease of symptoms, “problems in the last 12 months”, at M0/M1 (p=0.005) and M0/M2 (p=0.021); “limitations in the last 12 months”, at M0/M1 (p=0.004) and M0/M2 (p<0.001); and “problems in the last 7 days”, at M0/M1 (p=0.017) and M0/M2 (p=0.02). In the control group was verified an increased symptoms at M0/M2 (p=0.038) in “problems in the last 12 months”. Conclusions: It can be concluded that the implementation of a 21-month workplace exercise program contributes to decrease the report of low back symptoms of warehouse workers.
Size Variation Survey of the Family of Cichlids in Lower River Benue
Authors: Nwaneri, J. E.  , George, U. U.  
Published: March 2024

This study was designed to determine the size variations of the family of Cichlids in lower river Benue. The fish samples were collected bimonthly in batches for a period of three months (September- November, 2023). A total of 120 fishes comprising 60 each of Tilapia zilli and Oreochromis niloticus were sampled from fishermen at the Wadata landing site during this period. The fish sampled were transported in an ice-parked plastic container to the Fisheries laboratory in order to keep the integrity of the sample intact prior to analysis. The species were identified using taxonomic keys and morphometric parameters recorded. The results obtained shows the parameters of Oreochromis niloticus and Tilapia zilli as the cichlids species caught. The mean weight (53.70±3.13), mean length (14.09±0.28) and the mean standard length (11.13±0.24) of Tilapia Zilli was observed to be greater than the mean weight (43.01±2.17), mean length (12.83±2.0.21) and mean standard length (10.17±0.81) of Oreochromis niloticus. The results obtained reveals that the morphometry of Tillapia zilli is higher in their Morphometric measurements as compared to Oreochromis niloticus. This study therefore provides valuable information on the morphological characteristics in relation to the body weight of these two Cichlids for the sustainable management of fisheries in Lower River Benue, Makurdi and Nigeria at large.
Azospirilla and Nitrogen Fertilization to Promote Maize Seed Development and Yield
Authors: Paula Marco Túlio G. de , Franco Miguel Henrique R. , Oliveira Roberta C. de , Lana Regina Maria Q. , Wendling Beno , Lemes Ernane M. 
Published: March 2024

Aims: This study evaluated the interaction of Azospirillum brasilense (Ab) strains and nitrogen fertilizer doses on maize.
Study Design: Laboratory experiment evaluated Ab strains (PCR and PTF) on maize seed germination and vigor (completely randomized design). Field experiment evaluated Ab strains and nitrogen fertilization on maize yield parameters (randomized block design).
Place and Duration of Study: The germination and vigor experiment (10 days in April 2019) was implemented in a controlled environment at the Seed Analysis Laboratory of the Universidade Federal de Uberlândia, Brazil. The field experiment (137 days in winter 2019) was implemented at the Fisioplant Research Station (Uberlândia, Brazil) under commercial maize crop management.
Methodology: In controlled conditions (laboratory), 200 seeds of maize (K9105VIP3, Riber KWS Seeds) were incubated (25 °C) with the Ab strain solutions for germination and vigor evaluations. In the field, 60,000 plants ha-1 (0.5 m space between sowing lines) of maize were cropped under combinations of nitrogen fertilizer and volumes of Ab strains (treatments) for leaf nitrogen, SPAD index, leaf count, fresh and dry maize shoot biomass, one-thousand grains weight, grain rows per maize ear, productivity (kg ha-1).
Results: Treatment with 100 mL ha-1 of Ab PFT strain increased maize seed germination and vigor more than Ab PCR strain and control (no-inoculation or fertilizer). The number of grain rows of the 100% N + 150 mL ha-1 of Ab PFT strain and the maize shoot dry mass of the 100% N (no-inoculation) were higher than the control. The treatments did not affect the SPAD index, weight of one thousand grains, fresh maize shoot biomass, or productivity.
Conclusion: Using Ab with nitrogen fertilizer is a promising strategy to improve maize crop responses; however, more studies are needed to detail the ideal management of Ab strains for maize crops and yield construction.
Intelligent Energy Management System: Harnessing Fuzzy Logic for Charge Control
Authors: Areola R. I. , Adetunmbi A.O. , Okimi Thomas O. 
Published: March 2024

Aim: Charge controller that leverages fuzzy logic was developed to enhance the efficiency of traditional charge controllers. A model was constructed and assessed for its performance through MATLAB/Simulink. It allows for flexibility in controlling the variability of renewable energy sources. It also improves the efficiency and lifespan of energy storage systems while minimizing the impact on the grid and environment.
Study of the design: The PV system consists of a PV module, PWM inverter, MPPT controller and DC-DC converter which are connected using MATLAB/Simulink environment.
Methodology: we conducted validation tests to substantiate the advantages of our fuzzy charge controller. The creation of fuzzy rules was based on the system's performance and subsequently translated into precise values with the assistance of a fuzzy inference system. This Research Project was Completed in Two Months.
Results: Our findings clearly demonstrate that the implementation of fuzzy logic control results in superior charge controller performance. This, in turn, safeguards against battery discharging and overcharging during unpredictable weather conditions.
Conclusion: These protective measures are made possible through the decision-making capabilities of the DC-DC buck-boost converter, which effectively regulates both the voltage and current output of the PV module.
Comparative Analysis of Piston Rings Made with Aluminum Titanium Carbide (AlTiC-75-2) and Carbon Cast Steel (AISI 1540) Materials Using Numerical Method
Authors: Duodu Enock A. , Hinneh Vivian , Kuttin Kannie Winston , Otchere John Nana 
Published: March 2024

Aim: The main purpose of this study is to perform a comparative analysis of piston rings made with aluminum titanium carbide (AlTiC-75-2) and carbon cast steel (AISI 1540) materials using numerical method.
Study Design: Numerical methods.
Materials and Methods: The 3D piston rings were modelled with SOLIDWORDS version 2019 and imported to ANSYS 2020 RI environment for simulation and analysis.
Results: The study revealed that AISI 1540 and AlTiC-75-2 had maximum deformations of 1.0356 mm and 1.0773 mm, respectively. Also, when the equivalent elastic strains of the piston rings were compared, it was revealed that, the maximum and minimum elastic strain of the AlTiC-75-2 piston was 4.8826e-3 and 2.2581e-5, respectively, whiles the maximum and minimum elastic strain of AISI 1540 was 2.1878e-5 and 2.1878e-5 respectively. Numerical results further showed that AISI 1540 piston suffered the least elastic strain while the AlTiC piston ring endured more elastic strain. Furthermore, results showed that the maximum Von Mises stresses induced in AlTiC-75-2 and AISI 1540 piston rings were 915.2 MPa and 911.27 MPa, respectively, which implies that stresses induced in both rings were beneath the compressive yield strengths of the individual materials, therefore both rings could withstand the load imposed.
Conclusion: Result shows that the AISI 1540 ring has high minimum value than AlTiC which makes it more suitable material in terms of failure as against AlTiC-75-2 with a low minimum safety factor of 0.094187 as against 0.10182 for carbon cast steel. The study therefore recommends that AlTiC-75-2 should be considered as one of the most suitable materials for piston ring design.
Using latent class analysis to identify aggressors and victims of peer harassment
Authors: Giang Michael T. , Graham Sandra 
Published: September 2007

AbstractThis study used latent class analysis (LCA) to identify and classify individuals into aggressor and victim latent classes. Participants were over 2,000 sixth grade students who completed peer nomination procedures that identified students who had reputations as perpetrators and/or victims of physical, verbal, or relational harassment. Results showed five latent classes. Consistent with previous research, LCA identified latent classes of victims, aggressors, and socially adjusted students. However, rather than a single aggressive‐victim subgroup, LCA identified latent classes of highly‐victimized aggressive‐victims and highly‐aggressive aggressive‐victims. Comparisons showed differences in mean profiles and classification criteria between LCA and traditional dichotomization approaches. Adjustment outcomes showed that highly‐victimized aggressive‐victims generally experienced greater negative psychological and social adjustment outcomes than highly‐aggressive aggressive‐victims. Implications of these findings for better assessment of victim and aggressor subgroups were discussed. Aggr. Behav. 34:203–213, 2008.© 2007 Wiley‐Liss, Inc.
Molecular weight tuning and spectral studies of novel CN‐PPVs via Gilch reaction route
Authors: Li Sheng‐Biao , Zhu Xu‐Hui , Zhao Lei , Tang Chao , Ma Zhun , Li Ting‐Cheng , Fan Qu‐Li , Wei Wei , Cao Yong , Huang Wei 
Published: September 2007

AbstractTwo novel cyano‐containing PPVs (CN‐PPVs) with different solubilizing alkyloxyl groups were synthesized through Gilch reaction from the monomer 2‐cyano‐5‐(4′‐alkoxyphenyl)‐1,4‐bisbromomethylbenzene. The structures of the polymers were determined by NMR, FTIR, and elemental analysis (EA). The results show that the solubility, thermal stability, and fluorescence properties of CN‐PPVs vary with differing molecular weight. The relationship between the molecular weight of the polymers and the amount of 4‐methoxyphenol used was consistent with anionic polymerization, of which the molecular weight is known to be inversely related to the amount of the initiator. When the number‐average molecular weight (Mn) is in the range of 30,000–100,000, the solubility of the polymers was very good in chloroform, tetrahydrofuran, and toluene, and have good film properties. The fluorescence emission maxima range from 457 to 520 nm, exhibiting appreciable red‐shift with the increase of the molecular weight. This series of novel CN‐PPVs also bear high thermal stability. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007
Crystallization behavior of poly(ϵ‐caprolactone)/graphite oxide composites
Authors: Hua Lei , Kai Wei Hua , Inoue Yoshio 
Published: September 2007

AbstractA series of poly(ϵ‐caprolactone) (PCL)/graphite oxide (GO) composites were synthesized through the ring‐opening polymerization of ϵ‐caprolactone with GO as an initiator. The crystallization behavior of the PCL–GO composites and the effects of the PCL–GO composites as nucleation agents on the crystallization behavior of PCL were also studied. The introduction of GO as PCL–GO composites shortened the crystallization half‐time for both the isothermal crystallization and nonisothermal crystallization of PCL, and this clearly indicated that GO in the PCL–GO composites had a great nucleating effect on the crystallization of pure PCL. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007
Effects of the ethylene–propylene–diene monomer microstructural parameters and interfacial compatibilizer upon the EPDM/montmorillonite nanocomposites microstructure: Rheology/permeability correlation
Authors: Mohammadpour Y. , Katbab A. A. 
Published: September 2007

AbstractAttempts have been made to investigate the effects of ethylene–propylene–diene monomer (EPDM) rubber structural parameters on the developed microstructure, mechanical properties, rheology, and oxygen gas permeability of EPDM/organically modified montmorillonite (O‐MMT) nanocomposite samples prepared via melt mixing. Maleic anhydride grafted EPDM (EPDM‐g‐MAH) has been employed as an interfacial compatibilizer. The influence of the EPDM melt viscosity and chain linearity on the extent of exfoliation of the clay nanolayers has been evaluated through the calculation of the nanolayer aspect ratio (length/thickness) with the Halpin–Tsai model. The results are consistent with the X‐ray diffraction patterns of the samples. The flocculation of the clay nanolayers has been found to be more probable when O‐MMT is mixed with highly branched, low‐molecular‐weight EPDM. More exfoliation occurs when EPDM rubber with a high molecular weight but low branching is used. This has been confirmed by more nonlinear melt rheology behavior and broadening of the retardation time spectra. Maleated EPDM has been shown to be effective in enhancing the molecular intercalation of the clay nanolayers and the prevention of flocculation in both low‐molecular‐weight and high‐molecular‐weight EPDM matrices. Dynamic melt rheology measurements have revealed nonterminal behavior within the low‐frequency range by interfacially compatibilized molten samples with an EPDM‐g‐MAH/clay ratio of 3, regardless of the matrix molecular weight and chain linearity. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007
Application of the Monte Carlo simulation method to the investigation of peculiar free‐radical copolymerization reactions: Systems with both reactivity ratios greater than unity (rA > 1 and rB > 1)
Authors: Najafi Mohammad , Haddadi‐Asl Vahid , Mohammadi Yousef 
Published: September 2007

AbstractWith a Monte Carlo simulationmethod, copolymer properties have been thoroughly studied, and the influence of the reactivity ratios and feed composition has been taken into consideration. Instantaneous alterations of the copolymer composition and copolymer heterogeneity, which is also called a randomness parameter, have been examined with data obtained from the simulation at each stage of the copolymerization reaction. The results prove the azeotropic behavior of copolymerization reactions in which both reactivity ratios are greater than unity, although some special reactivity ratio combinations ignore the azeotropic behavior. The copolymer composition reaches an azeotrope point at the end of the copolymerization reaction when the copolymerization is an azeotropic reaction. In addition, the randomness parameter takes its maximum value at the azeotrope point when reactivity ratio rA is equal to reactivity ratio rB. Finally, increasing the reactivity ratios causes no change in the trend of copolymer composition/feed composition curves when rA is equal to rB. However, the curves produced with larger rA and rB values show more fluctuations. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007
Characterization of hydrogels prepared by the γ irradiation of aqueous solutions of acrylamide and N‐vinyl‐2‐pyrrolidone comonomers
Authors: Abd Alla Safaa G. , Kandeel Marwa M. , El‐Naggar Abdel Wahab M. 
Published: September 2007

AbstractCopolymer hydrogels were prepared through the γ irradiation of aqueous solutions composed of different ratios of acrylamide (AAm) and vinyl pyrrolidone (VP) monomers. The chemical structure, thermal stability, and structural morphology of the hydrogels were characterized with Fourier transform infrared spectroscopy, thermogravimetric analysis (TGA), and scanning electron microscopy, respectively. The IR spectroscopy analysis showed the formation of copolymerization and the presence of hydrogen bonding. The TGA study showed that the AAm/VP‐based hydrogels possessed higher thermal stability than polyacrylamide (PAAm). However, the thermal stability of the AAm/VP hydrogels increased with an increasing ratio of the VP component. The study of the swelling kinetics in water showed that all the hydrogels reached the equilibrium state after 24 h. However, the AAm/VP‐based hydrogels showed swelling in water that was lower than that of the hydrogel based on pure AAm. Meanwhile, the degree of swelling of the AAm/VP‐based hydrogels decreased with an increasing ratio of VP in the feeding solutions. The results showed that the PAAm and AAm/VP‐based hydrogels prepared at 50 kGy were affected by a change in the temperature around 25°C, whereas the hydrogels prepared at 25 kGy did not show this characteristic. However, the hydrogels prepared at different doses displayed reversible pH character. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007
Synthesis and characterization of colorless polyimide nanocomposite films
Authors: Ju Chul Ha , Kim Jeong‐Cheol , Chang Jin‐Hae 
Published: September 2007

AbstractA poly(amic acid) was prepared through the reaction of 4,4′‐(hexafluoroisopropylidene)diphthalic anhydride and 2,2′‐bis(trifluoromethyl) benzidine in N,N‐dimethylacetamide. Hybrid films were obtained from blend solutions of the precursor polymer and the organoclay dodecyltriphenylphosphonium–mica, with the organoclay content varying from 0 to 1.0 wt %. The cast films of poly(amic acid) were heat‐treated at different temperatures to create polyimide (PI) hybrid films. These PI hybrid films showed excellent optical transparency and were almost colorless. The intercalation of PI chains in the organoclay was examined with wide‐angle X‐ray diffraction and electron microscopy. In addition, the thermomechanical properties were tested with differential scanning calorimetry and thermogravimetric analysis, and the gas permeability was determined. The addition of only a small amount of the organoclay was sufficient to improve the thermal and mechanical properties of the PI, with the maximum enhancement being observed with 0.5 wt % organoclay. However, the water vapor permeability decreased with the clay loading increasing from 0 to 0.5 wt %. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2007