bluuebunny/crossref_metadata_2025_split huggingface dataset:
Nursing students’ attitudes and beliefs regarding sexual healthcare in Ethiopia: An online cross-sectional study
Authors: Seid Kalid , Kebede Tesfaye , Dessalegn Nigatu , Ejara Yetemegnehuat , Moga Fikre , Daniel Matusala , Mohammed Nuredin , Hassen Seid 
Published: December 2022

Background
Unresolved sexual issues can have an impact on a person’s wellbeing, social interactions, or even medication compliance. Given the enormous global demand to enhance and preserve sexual health, faculty members have a specific goal of developing nursing workforce who are truly prepared to work with clients who have sexual health issues. Hence, the study’s purpose has been to evaluate the current state of attitude and belief of nursing students toward sexual healthcare and the factors that influence it in Southwest Ethiopia.

Methods
An online cross-sectional survey was conducted in Mizan-Tepi University involving 134 undergraduate nursing students from February 1 to March 10, 2022. The Sexual Attitude and Beliefs Scale (SABS) were used to assess the level of attitudes and beliefs regarding sexual care. Statistical Package for Social Science (SPSS) Version 26 was employed for data analysis. Multivariable linear regression analyses was conducted to identify predictors of attitudes and beliefs regarding sexual healthcare. The significance level was set at p<0.05.

Results
The mean age of the nursing students participating in this study was 28.47±5.2. In our study, mean SABS score of the nursing students was found as 42.3 ± 2.1. The mean score of the SABS items ranged from 1.68±0.93 to 4.37±1.48. Having receiving sexual health education (p<0.001) was significantly associated with attitude and beliefs regarding sexual healthcare.

Conclusions
Ethiopian nursing students have been found to have a negative attitude and beliefs about sexual health care. Because comprehensive sex education is sorely lacking in nursing schools, this scrutiny prevents student nurses from receiving an adequate education. As there is a lack of appropriate sexual health subject matter, it is critical to standardize sexual health education in nursing programs so that nursing students can learn to provide comprehensive care to clients.
Implicações dos baixos salários para o trabalho dos professores brasileiros / Low salaries implications on brazilian teachers' work
Authors: Barbosa Andreza 
Published: December 2022

Resumo: Considerando a possibilidade de afirmar que os salários recebidos pelos professores brasileiros são baixos, esse artigo buscou analisar e compreender as implicações dessa remuneração para o trabalho docente. Para tanto, foi realizada uma pesquisa de caráter bibliográfico-documental com base em pesquisas relacionadas Ã remuneração docente e documentos relativos à temática elaborados por organismos internacionais, além da legislação brasileira pertinente ao assunto e dos dados da Pesquisa Nacional por Amostra de Domicílios (PNAD) de 2008. A análise realizada na referida pesquisa, baseando-se nos estudos e documentos mencionados, possibilitou elencar algumas implicações dos salários para o trabalho dos professores brasileiros. Palavras-chave: trabalho docente; salário docente; políticas educacionais. Abstract: Considering the possibilityof assertingthat salariesreceived bybrazilian teachersare low, this articleseeks to analyzeand understandthe implications ofthis remunerationonteachers' work.Therefore,a bibliographic - documentary survey had been conducted, based on studies relatedtoteacher's salaries and documentsrelatedto thethemeelaboratedbyinternational organizations, in addition to theBrazilian legislationrelevanttothe studyanddatafrom the NationalHousehold Sample Survey(PNAD) 2008.The analysisrealized inthis research,based on thestudies anddocuments referenced, revealed somepossibleimplicationsof salarieson Brazilian teachers' work. Keywords: teachers' work;teachers'salaries;educational policies.
Separation and evaluation of potential antioxidant, analgesic, and anti-inflammatory activities of limonene-rich essential oils from Citrus sinensis (L.)
Authors: Al Kamaly Omkulthom , Numan Omar , Almrfadi Omer M. A. , Alanazi Ashwag S. , Conte Raffaele 
Published: December 2022

Abstract
The peel of Citrus sinensis (L.) Osbeck is a source of essential oils, particularly limonene, which is this plant’s characteristic molecule. The main goal of this study was to test the potential analgesic and anti-inflammatory properties of limonene-rich essential oils derived from the peel of C. sinensis L. (orange) in vivo, as well as their antioxidant activity in vitro. Carrageenan-induced paw edema in Wistar rats and the formalin test in Swiss albino mice were used to examine anti-inflammatory activity. The analgesic activity was assessed using hot plate and acetic acid writhing tests, while the antioxidant activity was assessed using the 1,1-diphenyl-2-picrylhydrazyl and ferric reducing antioxidant power methods. The essential oil (EO) safety was determined using an acute toxicity experiment on mice. The phytochemical analysis confirmed the existence of limonene as the primary molecule (88.94%), and in vivo experiments revealed that the EO had a significant pain and inflammation-relieving effect, especially at the dose of 50 mg/kg, when compared to the used control drugs. The acute toxicity evaluation reported this EO’s safety. This study contributes to the pharmacological valorization of the peel of C. sinensis L., confirming that, in addition to its numerous cosmetic and industrial uses, it may be effective in the treatment of inflammatory and pain-related illnesses.
Taguchi L16 (44) orthogonal array-based study and thermodynamics analysis for electro-Fenton process treatment of textile industrial dye
Authors: Ahmad Imran , Basu Debolina 
Published: December 2022

Abstract
Reactive orange 16 (RO16) is the most widely used azo dye in Textile industry. Complex aromatic structures and resistivity to biological decay caused the dye pollutants incompletely treated by the conventional oxidative methods. The current study presents the electro-Fenton-based advanced oxidation treatment of RO16 dye and the process optimization by Taguchi-based design of experiment (DOE). Using a 500 mL volume lab-scale experimental setup, the process was first studied for the principal operational parameters (initial dye concentration (q); [H2O2]/[Fe+2] (R); current density (ρ); and temperature (T)) effect on decolourization (D

R
) and COD removal (C

R
). Then, by means of the L16 (44) orthogonal array (OA) formation, standard mean and signal-to-noise (S/N) ratio, the process was optimized for the response variables. The result showed the optimized result at q = 100 mg/L, R = 100, ρ = 8 mA/cm2, and T = 32 °C; with D

R
and C

R
as 90.023 and 84.344%, respectively. It was found that the current density affects the process most, followed by [H2O2]/[Fe+2] ratio, initial dye concentration, and temperature i.e., ρ > R > q > T. Also, with the analysis of variance (ANOVA), model equations for D

R
and C

R
were developed and its accuracy was verified for experimental results. At optimized conditions, the first order removal rate constants (k

a
) were found from batch results. Additionally, the thermodynamic constants (ΔH

e
, ΔS

e
, and ΔG

b
) were also calculated for the nature of heat-energy involved and temperature effect study on dye degradation. The results showed that the process was thermodynamically feasible, endothermic, and non-spontaneous with a lower energy barrier (E

A
= 46.7 kJ mol−1).
Effective generation for foliated surfaces: Results and applications
Authors: Spicer Calum , Svaldi Roberto 
Published: December 2022

Abstract
We explore the birational structure and invariants of a foliated surface

(
X
,
F
)

(X,\mathcal{F})

in terms of the adjoint divisor

K
F

+

ϵ
⁢

K
X

K_{\mathcal{F}}+\epsilon K_{X}

,

0
<
ϵ
≪
1

0<\epsilon\ll 1

.
We then establish a bound on the automorphism group of an adjoint general type foliated surface

(
X
,
F
)

(X,\mathcal{F})

, provide a bound on the degree of a general curve invariant by an algebraically integrable foliation on a surface and prove that the set of 𝜖-adjoint canonical models of foliations of general type and with fixed volume form a bounded family.
Design of control system for solar power generation based on an improved bat algorithm for an island operation
Authors: Mensah Akwasi Amoh , Wei Xie 
Published: December 2022

Abstract
Solar energy is sustained using the principle of photovoltaic effect through a solar photovoltaic (PV) system as the main receiver of sunlight for the island. The use of photovoltaic (PV) systems to generate power from solar energy has increased in recent years due to its availability and sustainability. The proposed bat algorithm provides a very quick confluence and high accuracy since it interactively merges with the exploration advancements with the substantial distinctive signal search during the maximum power point tracking process from the PV array. The improved bat algorithm proposes a signal search method to increase the speed and tracks more power at a longer distance by using the signal between the bat and its prey. An energy storage system (ESS) stores solar energy and releases it into the system for use when energy generation from the source is low. DC to DC converter controls and regulates the output generated voltage from the PV array. DC to AC converter converts DC power produced to AC power to be supplied to the island for use. The design and simulation were performed in MATLAB Simulink and the result shows the effectiveness of the proposed design.
Energy harvesting for mobile agents supporting wireless sensor networks
Authors: Nguyen Minh T. , Nguyen Cuong V. , Tran Hoang T. , Viola Fabio 
Published: December 2022

AbstractWireless sensor networks (WSNs) have been deployed widely in many different application including in civil and military fields. The sensing data from the networks is very diverse and may cost huge energy consumption for transmission. Hence, mobile sensors with high capacity are deployed to support the static sensors dealing with longer range communicating distances and also supplying power wirelessly the sensors if possible. This paper focuses on an energy harvesting (EH) design for either mobile agents or sensor nodes in WSNs. A hybrid EH system can harvest energy from ambient environment around to power the mobile sensors and static sensors. In addition, these mobile sensors and transfer power wirelessly to the sensors if required. We provide different scenarios for harvesting energy from both RF and solar energy to support the devices. All the designed circuits based on mathematical equations are provided, specifically. Simulation and experimental results are addressed to clarify all the scenarios for the networks. The results show promise and practical.
Determination of the best interaction of inulin with different proteins by using interfacial rheology: the relationship with the emulsion activity and stability in emulsion systems
Authors: Aslan Türker Duygu , Göksel Saraç Meryem , Doğan Mahmut 
Published: December 2022

Abstract
This study aimed to develop functional emulsions with dietary fibre/proteins and to examine the role of interfacial rheological properties on the emulsion stability. Emulsions with inulin and various animal/vegetable proteins were prepared, and their emulsifying and interfacial rheological properties were appraised for their possible applications in stabilizing oil-in-water emulsions. Interfacial measurements including the frequency, time and strain sweep test were determined depending on the protein differences. The results revealed that the adsorption behaviour of proteins at the two interfaces was quite different. The apparent viscosity (η
50) of the emulsions ranged between 0.006 and 0.037 Pa s. The highest interfacial viscosity (η
i) values at low shear rates were determined in the mixture of egg protein-inulin at the oil/water interface. In particular, the interfacial properties of egg protein were not similar to those of other proteins. This study indicated that interfacial rheological properties and emulsifying properties of the proteins were influenced by the presence of inulin which contributes to the existing body of knowledge on the preparation of the prebiotic emulsions with proteins.
Review of the application of virtual reality in language education from 2010 to 2020
Authors: Zheng Chunping , Yu Miao , Guo Zhiyan , Liu Hanyong , Gao Mengya , Chai Ching Sing 
Published: December 2022

Abstract
Virtual reality (VR) is an innovative technology that has been applied in language education to improve learners’ motivation, engagement and academic performance. This review study analyses 69 empirical studies on the application of VR in language education. These studies were published by 12 Chinese and international scholarly journals between 2010 and 2020. A coding framework was formulated for conducting a systematic literature review, and content analyses revealed the general publication trends, research methods, research foci and benefits and challenges of VR-supported language education. Among the reviewed studies, English was the main target language, and Second Life was the most widely used VR environment. Most of these studies were conducted among adult language learners, and they adopted mixed types of data to address the research questions. The main research foci include the affordance of VR for enhancing learners’ linguistic and non-linguistic knowledge and competence, learners’ individual differences, teachers’ roles, the nature of interactions, designed features of language-learning tasks and design and development of VR environments for language education. Based on our research findings, we conclude that VR-supported language education has become an emerging research area with the potential for innovating language education. However, there are still challenges to be addressed regarding the optimisation of VR-supported language education.
An improved Jaya optimization algorithm with ring topology and population size reduction
Authors: Omran Mahamed G. H. , Iacca Giovanni 
Published: December 2022

AbstractAn improved variant of the Jaya optimization algorithm, called Jaya2, is proposed to enhance the performance of the original Jaya sacrificing its algorithmic design. The proposed approach arranges the solutions in a ring topology to reduce the likelihood of premature convergence. In addition, the population size reduction is used to automatically adjust the population size during the optimization process. Moreover, the translation dependency problem of the original Jaya is discussed, and an alternative solution update operation is proposed. To test Jaya2, we compare it with nine different optimization methods on the CEC 2020 benchmark functions and the CEC 2011 real-world optimization problems. The results show that Jaya2 is highly competitive on the tested problems where it generally outperforms most approaches. Having an easy-to-implement approach with little parameter tuning is highly desirable since researchers from different disciplines with basic programming skills can use it to solve their optimization problems.
Maximum ecological function performance for a three-reservoir endoreversible chemical pump
Authors: Chen Lingen , Shi Shuangshuang , Feng Huijun , Ge Yanlin 
Published: December 2022

Abstract
Endoreversible chemical pump (ECP) is a theoretical model of electrochemical, photochemical, solid-state apparatus and mass exchangers. ECP can be classified as two-, three- and four-mass-reservoir devices. The usual performance indicators for ECPs are energy pumping rate (EPR) and coefficient of performance (COP). Energy-based ecological function objective (EFO) is introduced to performance optimization of three-reservoir ECP. Optimization relationships between EFO and COP with linear and diffusive mass transfer laws (MTLs) are deduced. Numerical examples are provided, and influences of cycle parameters and MTLs on optimal EFO performances are analyzed. For linear MTL, compared performances at maximum EFO point and point where dimensionless EPR is 0.016, COP increases 14.4% and entropy generation rate (EGR) drops 52% with only 30% loss of EPR. For diffusive MTL, compared performances at maximum dimensionless EFO point and point where dimensionless EPR is 0.01, COP increases 11.3% and EGR drops 46.9% with only 30% loss of EPR. It demonstrates that EFO is a trade-off between EPR and dissipation of EPR, which is beneficial to utilize energy effectively. With the same chemical potentials of three reservoirs, the maximum dimensionless EFO and the corresponding COP with linear MTL are bigger than those with diffusive MTL.
PON and millimeter wave convergence access home network scheme design
Authors: Huo Yuanyuan , Chen Guangxuan , Zhang Lei 
Published: December 2022

Abstract
With the continuous maturity of the technology in the home network, the home network is developing towards intelligence, high-speed, sharing, remote and networking, especially the driving of multimedia services such as high-definition video, interactive games, and the development of intelligent terminals. The working frequency of access in the home network is gradually changing to the millimeter band, and 60 GHz in the millimeter band is considered to be a promising indoor high-speed access frequency band in the future. However, due to the small coverage and large transmission loss of millimeter wave, it can only meet the communication between terminals in a room. In order to meet the demand that users in the home network can access the network from any room for communication, researchers propose to use optical fiber to transmit wireless signals, which not only has low loss and large capacity, but also can transmit to any distance. PON technology has the advantages of high bandwidth, low loss, and easy maintenance. It requires a home network of PON and millimeter wave integrated access with the millimeter wave integrated network with high bandwidth, flexibility and strong penetration to meet the needs of high bandwidth, high flexibility and low loss of home network access. Therefore, it is necessary to study the home network scheme of PON and millimeter wave integrated access.
High-speed passive optical networks performance signature in downstream direction based on the engagement of both nonlinear cross-phase modulation (XPM) and cross-gain modulation (XGM) techniques
Authors: Rashed Ahmed Nabih Zaki , Altahan Baraa Riyadh , Manasavenna Thaticharla , Ahammad Shaik Hasane , Priya Putcha Poorna , Krishna Merugumalli Rama , Amzad Hossain Md. , Smirani Lassaad K. , Said Abdelhamid Huda 
Published: December 2022

Abstract
This work clarified the engagement of both nonlinear XPM/XGM in conventional band applications with the wide band traveling semiconductor optical amplifiers (WBTWSOAs) for passive optical network applications in downstream directions. The max. Q, total output power versus up/down wavelength conversion by using cascaded XPM with XGM at 10 Gbps are simulated. Besides, the max. Q Factor, conversion efficiency, and total optical power (TOP) variations are clarified in relation to bit rate variations for cascaded CPM&XGM and CPM, XGM stages. Moreover, the enhancement percentage ratio (EPR) in Q factor and TOP are analyzed and demonstrated versus bit rate variations for cascaded CPM&XGM stage over both CPM stage and XGM stage. The study emphasized the network reach can be extended to 80 km with available maximum data rates up to 250 Gb/s with power budget of 28.65 dB based on the cascaded CPM&XGM technique.
Electro-optic power/signal quality optimization based on the interaction between electro-optic modulators and electrical filters
Authors: Zaki Rashed Ahmed Nabih , Altahan Baraa Riyadh , Manasavenna Thaticharla , Kalyani Pala , Priya P. Poorna , Krishna M. Rama , Ahammad S. K. Hasane , Hossain Md. Amzad , Smirani Lassaad K. , Shetea Eslam Fahmy 
Published: December 2022

Abstract
This paper clarifies the effects of electrical filters with electro-optic modulators variations on the power/signal quality optimization and minimum data error rates reduction. The electro-optic modulators that are namely Mach Zehnder modulator, absorption modulator measured, single-drive Mach Zehnder modulator measured, and electro-absorption modulator. In addition to the filters are employed low pass (LP) Gaussian filter, LP Bessel filter, LP Butterworth filter, and LP Chebyshev filter. The hybrid combination between these modulators at the Tx. and the filters at the Rx. side give the chance to set the best candidate combinations from these devices for the power and signal quality optimization.
Dispersion aware first random fit spectrum allocation approach in elastic optical network (EON)
Authors: Vasundhara  , Mandloi Abhilash 
Published: December 2022

Abstract
Elastic Optical Network (EON) is gaining a lot of attention these days because of its capability to dynamically utilize the network resources. It is possible to alter data rates in accordance with the required application by adjusting a number of spectrum slots which enhances spectral efficiency. However, it is difficult for new requests to access the usage of spectrum resources during the entire process especially when the spectrum is split into a number of small segments. Another key challenge in EON is to achieve effective routing and spectrum allocation. This entails looking for a specified route and identifying contiguous aligned spectrum slots for allocation to various requests. In this way, EON aims maximizing the connection while using the least amount of available spectrum resources. With this in mind, this research developed a first random fit (FRF) spectrum allocation technique that takes into account dispersion, which is a major physical flaw in optical networks. This scheme includes the effect of dispersion for the spectrum allocation approach. Using a FRF approach, this scheme tends to allocate a greater number of connection requests and spectrum is utilized in more efficient way. Starting with the lowest indexed slot, this scheme uses the First Fit algorithm and the less stable modulation technique like BPSK to search for and assign the spectrum slot. A random fit assignment strategy is used with a more robust modulation technique (QPSK) to exploit the next higher indexed spectrum slot which suffers larger dispersion effect. Longer light path requests are assigned to lower indexed spectrum slot (lower dispersion slots) using BPSK modulation technique, while shorter light path requests are sent to next higher indexed spectrum slot (greater dispersion slots) using QPSK modulation technique capturing the dispersion sensitive technique. The results show that the proposed technique achieves a minimal bandwidth blocking probability (BBP) of 0.048, Eye opening Penalty (EOP) of 45.45 dB and Quality Factor of 3.889 and B.P compared with other First Fit (FF) and Random Fit (RF) spectrum allocation schemes.
Multi-mode step graded index fibers performance parameters (attenuation/dispersion/mode field) measurements by using OptiFiber simulation
Authors: Rashed Ahmed Nabih Zaki , Altahan Baraa Riyadh , Manasavenna Thaticharla , Priya P. Poorna , Krishna M. Rama , Ahammad S.K. Hasane , Hossain Md. Amzad , Amin Marwa Hamed 
Published: December 2022

Abstract
This paper has clarified the positive and negative effects of 3.1% germania and 1% fluorine DS fibers in multi-mode silica profile. The group delay and the total fiber dispersion against operating wavelength for PS and various doped silica (DS) fibers are demonstrated and assured by using OptiFiber simulation. The material, waveguide and total fiber dispersions are demonstrated against wavelength for the PS fiber, 3.1% germania DS (GDS) fiber and 1% fluorine DS (FDS) fiber. Besides the mode field diameter, fiber material loss, fiber bending loss and the dispersion group delay are simulated and clarified against the operating wavelength for PS and different DS fibers. The study gives the effects of the dopant ratio of germania and fluorine on the zero dispersion wavelength shift and DS.