bluuebunny/crossref_metadata_2025_split huggingface dataset:
Neural longitudinal mapping of multidimensional performance profiles of Latin American universities
Authors: Jiménez-Andrade Jose Luis , Martí-Lahera Yohannis , Carrillo Calvet Humberto 
Published: March 2024

Objective. To introduce an artificial intelligence method and to use it to analyze the evolution of the multidimensional performance profiles of the most prominent Latin American universities, according to the Times Higher Education Latin America University Rankings.
Design/Methodology/Approach. To multidimensionally characterize universities' performance profiles, we use the rankings' sub-scores indicators, which quantify five dimensions of academic endeavor assessed by this ranking. To automatically compare and visually analyze performance profile's evolution our method uses an artificial neural network.
Results/Discussion. The neurocomputational procedure allowed us to discover all the characteristic performance profiles of the 50 best ranked universities (20 institutional profiles in 2019), and to visualize, in a knowledge map, the universities' groups sharing similar profiles. Furthermore, the profile's evolution of this group of universities was analyzed, and visually displayed in a sequence of knowledge maps, covering the four years period 2016-2019. In general, these universities show a remarkable improvement in Teaching, Research and Citation scores during 2016-2019. The profiles diversity of the best ranked universities, and the predominance and homogenization process of Brazilian universities profiles are noteworthy.
Conclusions. Performance profile characterization using multiple indicators is a matter of interest in diverse domains. However, visualization or comparison of multidimensional performance profiles is not an easy task for the human mind. Even more challenging is the visual analysis of multidimensional performance profiles evolution. The neuro-longitudinal technique introduced is a useful tool to analyze and visualize the evolution of multidimensional performance profiles.
Originality/Value. The approach and techniques introduced in the paper have an important degree of generality and can be used to analyze other type of rankings or multidimensional data.
Verification of parameterizations for clear sky downwelling longwave irradiance in the Arctic
Authors: Pace Giandomenico , di Sarra Alcide , Cali Quaglia Filippo , Ciardini Virginia , Di Iorio Tatiana , Iaccarino Antonio , Meloni Daniela , Muscari Giovanni , Scarchilli Claudio 
Published: March 2024

Abstract. Ground-based high resolution observations of downward longwave irradiance (DLI), surface air temperature, water vapor surface partial pressure and column amount, zenith sky infrared (IR) radiance in the atmospheric window, and all-sky camera images are regularly obtained at the Thule High Arctic Atmospheric Observatory (THAAO, 76.5° N, 68.8° W), northwestern Greenland. The datasets for the years 2017 and 2018 have been used to assess the performance of different empirical formulas used to infer clear sky DLI. An algorithm to identify clear sky observations has been developed, based on value, variability, and persistence of zenith sky IR radiance. Seventeen different formulas to estimate DLI have been tested against the THAAO dataset, using the originally determined coefficients. The formulas that combine information on total column water vapor and surface air temperature appear to perform better than others, with a mean bias with respect to the measured DLI smaller than 1 W m−2 and a root mean squared error (RMSE) around 6 W m−2. Unexpectedly, some formulas specifically developed for the Arctic are found to produce poor statistical results. This is attributed partly to limitations in the originally used dataset, which does not cover a whole year or is relative to very specific condition (i.e., the presence of an ice sheet). As expected, the bias displays a significant improvement when the coefficients of the different formulas are calculated using the THAAO dataset. The presence of 2 full years of data allows the determination and the applicability of the coefficients for singular years and the evaluation of results. The smallest values of the bias and RMSE reach 0.1 and 5 W m−2, respectively. Overall, the best results are found for formulas that use both surface parameters and total water vapor column content, and have been developed from global datasets. Conversely, formulas that express the atmospheric emissivity as a linear function of the logarithm of the column integrated water vapor appear to reproduce poorly the observations at THAAO.
Wavelet Transform Based Technique for Fault Detection and Classification in a 400 kV Double Circuit Transmission Line
Authors: Gautam Neha , Kapoor Gaurav , Ali Shoyab 
Published: March 2024

This work proposes a wavelet transform based fault detection and classification technique for the protection of double circuit transmission line. The three phase current signals of both circuits recorded at Bus-1 of the double circuit transmission line power system are used to evaluate the approximate and high frequency detail coefficients at level-1. The proposed scheme is extensively tested using the test system of a 400 kV, 50 Hz double circuit transmission line simulated in MATLAB. The probability of wavelet transform based proposed technique is tested under a extensive deviation of fault parameters, such as fault location, fault type, fault inception time, fault resistance and ground resistance. The test results exemplifies that all types of faults are appropriately detected/ classified.
Analytical solutions for Bloch waves in resonant phononic crystals
Authors: Wiltshaw Richard 
Published: March 2024

I will discuss the canonical problem of wave scattering by arrays of Neumann inclusions. Firstly, we consider the wavefield to be governed by the Helmholtz equation. We apply the method of matched asymptotic expansions to show how small scatterers can be modelled as singular perturbations to the free space. Analytical expressions then follow in terms of singular Green’s functions (and their derivatives), from which we can construct an eigenvalue problem to consider Floquet-Bloch waves, or we can consider scattering problems as an extension to Foldy’s method. The methods presented allow for efficient, rapid, and accurate computations.These methods will then be applied in an elastic setting, to consider waves propagating through an elastic plate, whose surface is patterned by periodic arrays of elastic beams. Our methodology is versatile and allows us to solve a range of problems regarding arrangements of multiple beams per primitive cell, over Bragg to deep-subwavelength scales. We cross-verify against finite element numerical simulations to gain further confidence in our approach. The accuracy and flexibility of our solutions are demonstrated by engineering topologically non-trivial states, from primitive cells with broken spatial symmetries, following the phononic analogue of the Quantum Valley Hall Effect. These topologically non-trivial states exist near flexural resonances of the constituent beams of the phononic crystal and hence can be tuned into a deep-subwavelength regime.
Critical Success Factors for the Implementation of Public-Private Partnerships in Zimbabwe's State Universities
Authors: Massimo Charles 
Published: March 2024

A weakness of the extant Public-Private Partnerships (PPPs) literature to date has been its normative approach to the subject, creating in effect, a 'one size fits all view' of the preconditions or Critical Success Factors (CSFs) for the implementation of PPPs yet they vary with the context and sector. This study challenges the existing prominent CSFs model for the implementation of PPP which it perceives to be broader and biased towards economic infrastructure in rich industrial nations and excludes the realities of post-colonial third world countries. The research developed a refined sector-specific Educational Infrastructure Critical Success Factor Model (EICSFM) that will inform effective implementation of educational infrastructure PPPs in Zimbabwe state universities. Validated suggestions from research participants were compared to the existing model used to guide this study and results showed that some of the suggested CSFs for PPPs in Zimbabwe state universities tallies with this extant widely accepted CSFs model for PPPs, whereas some differ. The new suggested emerging sector-specific CSFs for effective implementation of PPPs in state universities include; the need for state universities to have absolute autonomy, the establishment of institutional PPP Committees, state universities to be creative and aggressive, vibrant leadership at state universities, universities to have good business orientation, the establishment of innovative PPPs models for educational infrastructure projects (social infrastructure projects), the creation of project bankability and attractiveness to investors, the need for political will and creation of trust. Comparing such suggestions to the extant CSFs model, the study concluded that even though some these preconditions for successful implementation of PPPs may be similar to some of the existing ones, their application is not similar but context-based. The study thus recommends governments avoid a ‘one size fits all’ perception and approach, but rather encompass sector-specific considerations when adopting and implementing PPPs as an alternative funding option for infrastructure development.
Mediating role of social support in dysphoria, despondency, and quality of life in patients undergoing maintenance hemodialysis
Authors: Zhou Xiang , Jiang Hong , Zhou Yi-Peng , Wang Xiao-Yu , Ren Hai-Yan , Tian Xue-Fei , Zhang Qing-Qing 
Published: March 2024

BACKGROUND
Dysphoria and despondency are prevalent psychological issues in patients undergoing Maintenance Hemodialysis (MHD) that significantly affect their quality of life (QOL). High levels of social support can significantly improve the physical and mental well-being of patients undergoing MHD. Currently, there is limited research on how social support mediates the relationship between dysphoria, despondency, and overall QOL in patients undergoing MHD. It is imperative to investigate this mediating effect to mitigate dysphoria and despondency in patients undergoing MHD, ultimately enhancing their overall QOL.
AIM
To investigate the mediating role of social support in relationships between dysphoria, despondency, and QOL among patients undergoing MHD.
METHODS
Participants comprised 289 patients undergoing MHD, who were selected using a random sampling approach. The Social Support Rating Scale, Self-Rating Anxiety Scale, Self-Rating Depression Scale, and QOL Scale were administered. Correlation analysis was performed to examine the associations between social support, dysphoria, despondency, and QOL in patients undergoing MHD. To assess the mediating impact of social support on dysphoria, despondency, and QOL in patients undergoing MHD, a bootstrap method was applied.
RESULTS
Significant correlations among social support, dysphoria, despondency, and quality in patients undergoing MHD were observed (all P < 0.01). Dysphoria and despondency negatively correlated with social support and QOL (P < 0.01). Dysphoria and despondency had negative predictive impacts on the QOL of patients undergoing MHD (P < 0.05). The direct effect of dysphoria on QOL was statistically significant (P < 0.05). Social support mediated the relationship between dysphoria and QOL, and this mediating effect was significant (P < 0.05). Similarly, the direct effect of despondency on QOL was significant (P < 0.05). Moreover, social support played a mediating role between despondency and QOL, with a significant mediating effect (P < 0.05).
CONCLUSION
These findings suggest that social support plays a significant mediating role in the relationship between dysphoria, despondency, and QOL in patients undergoing MHD.
Discipline and Responsibility of Certified Teachers in Elementary School’s Social Science
Authors: Sakdiah Halimatus , Rahmi Rahmi , Hakiki Ismi Della , Putri Lidya Oktavia , Putri Widya Pratama Sri , Rahmi Khusnul Aulia , Safrudin Safrudin 
Published: March 2024

This study aims to: Determine the implementation of the Integrated Social Studies learning model in SD Negeri 0708 Aliaga II, identify the inhibiting factors, and find out the efforts made by social studies teachers in increasing professionalism. This research is an evaluation study using a qualitative descriptive research method. This form of research tends to use a single case study. The research subjects were Social Studies teachers at SD Negeri 0708 Aliaga II. Techniques and data collection tools used, namely: interviews, observations, and recording archives and documents. The results showed that: In the implementation of Integrated Social Studies learning at SD Negeri 0708 Aliaga II there were still many differences. There are those who carry out Integrated Social Studies learning in full, semi-integrated, and unintegrated. The obstacles faced, among others: lack of understanding or mastery of the material outside the field, lack of knowledge and understanding of Integrated Social Studies learning models, difficulties in applying the concept of Integrated Social Studies learning, and skepticism from social studies teachers themselves. The efforts made by social studies teachers in improving their professional competence, among others: Asking other social studies teachers, reading reference books on social studies, attending training, socialization, seminars, and various (sharing) experiences.
O PROCESSO DE CONSTRUÇÃO DA BNCC COMO UMA POLÍTICA PÚBLICA
Authors: Martins Leiriane Tomaz Ferreira 
Published: March 2024

O presente estudo visa analisar a construção da Base Nacional Comum Curricular considerando as políticas públicas que a subsidiaram. O objetivo é analisar a BNCC da Educação Infantil e Ensino Fundamental no contexto histórico e político, bem como os documentos e políticas que subsidiaram sua construção visando contribuir para as discussões acerca das Políticas Curriculares nas escolas. Por se tratar de uma Política Curricular recente, faz-se necessário refletir sobre tal proposta em seu cerne, o período político em que foi construída, partindo-se da conjuntura de como os ideais neoliberais tem influenciado propostas curriculares e consequentemente a BNCC. Realizaremos pesquisas bibliográfica e documental, em bancos de dados informatizados, com abordagem qualitativa. Como resultado parcial, refletiu-se sobre concepções de Currículo escolar que envolvem diferentes tempos históricos, a explicitação de alguns documentos que nortearam a construção da BNCC, o processo de construção e a influência ideológica mediante o ideário neoliberal.
THE RELATIONSHIP BETWEEN PEER SUPPORT SYSTEM AND STRESS LEVEL OF WORKING ON A THESIS FOR S1 NURSING STUDENTS OF STIKES MEDISTRA INDONESIA IN 2023
Authors: Novi Pangestuti  , Puji Raharja Santosa  , Kiki Deniati  
Published: March 2024

Final year students often experience stress with a undergraduate thesis, one of which is nursing students who are working on a undergraduate thesis. Support systems are people who have energetic and functional help have been shown to be healthier than people without support. Support system is about telling others that they are loved and cared for, that they have self-esteem and are valued both verbally and non-verbally.. Type of quantitative research with cross sectional method. Population with a total of 99 respondents. Sampling technique using random sampling sample. Based on the results of chi-square test analysis with a value of p = 0.001 (p < 0.050) so that it is stated that H0 is rejected. Based on the results of statistical analysis using the chi square test, it can be concluded that H0 is rejected, which means that there is a relationship between peer support system and the stress level of doing a undergraduate thesis in S1 nursing students at STIKes Medistra Indonesia in 2023.
The activities of uroporphyrinogen synthetase and cosynthetase in congenital erythropoietic porphyria (cep)
Authors: Miyagi Ken , Petryka Z. J. , Bossenmaier Irene , Cardinal Ruth , Watson C. J. 
Published: February 2007

AbstractNormal or increased amounts of series III porphyrins with greater amounts of series I were observed on incubation of PBG in hemolysates of congenital erythropoietic porphyria vs. normal erythrocytes, human or bovine. Correlation with reticulocyte percentage was poor, in the aggregate a general trend toward increased values of both isomers I and III was noted with increasing reticulocytes. When the percent of type III was low the net amount was increased as compared with normal. Hemolysates of non‐porphyric, reticulocyte‐rich red cells (hemolytic or posthemorrhagic anemia) formed only minute amounts of type I porphyrin but at the same time no more, or even less type III than the porphyric hemolysates, although representing red cells of greater reticulocyte content. No evidence of deficient heme synthesis was observed in porphyric hemolysates incubated with [14 C] ‐porphobilinogen or 59Fe. Other studies of porphyric hemolysates incubated with and without added mouse spleen synthetase failed to reveal evidence of an absolute UPG‐III cosynthetase (Co‐S) deficiency. The large increases of type I porphyrin with normal or increased formation of type III, both in the disease and in the hemolysates, are believed due to a primary increase of ALA‐S or UPG‐S activity rather than a decrease of Co‐S. Possible mutations which might be responsible for this increase are considered.
Sickle β‐thalassemia: Identical twins differing in severity implicate nongenetic factors influencing course
Authors: Joishy Suresh K. , Griner Paul F. , Rowley Peter T. 
Published: February 2007

Abstract25‐yr old female identical twins of Italian‐American origin concordant for sickle β‐thalassemia were studied to explain their clinical differences. One of them has been severely affected from childhood with one aplastic crisis, an earlier onset of vaso‐occlusive crises, and recent cardiac decompensation; the other twin shows no cardiac decompensation.Similar are their degree of anemia, RBC indices, blood volumes, absence of splenic sequestration, depression of pO2, elevation of p50 and 2,3‐DPG, hemoglobin composition, and peripheral blood globin‐synthetic rates.Regarding differences, the more severely affected has a shorter 51 Cr RBC life span, a greater menstrual blood loss, and is more overweight, whereas the less severely affected has functional asplenia by 99mTc scanning and a larger proportion of RBC with decreased cellular deformability.We conclude that in sickle β‐thalassemia: (1) genotype alone does not determine the clinical course; (2) significant differences in clinical course can occur with almost identical hemoglobin composition and globin synthetic rates; (3) cellular deformability changes do not correlate exactly with clinical course; and (4) functional asplenia and leanness may be advantageous.
Identification of cells in culture
Authors: Stulberg C. S. , Peterson W. D. , Simpson W. F. 
Published: February 2007

AbstractMost laboratories using cells cultured in vitro maintain multiple cell lines. Such lines should be monitored for species and intraspecies characteristics to prevent invalidation of research work due to incidents of cell line cross‐contamination.This report describes the results obtained when 246 cell cultures were examined for evidence of cross‐contamination or mislabeling. Using species‐specific antigens, isoenzyme electrophoresis, and chromosomes as markers of identity, 14% of the cultures submitted were found to be contaminated by cells of another species. Of human cell lines submitted 25% were of HeLa cell origin, as determined by 2 intraspecies markers, glucose‐6‐phosphate dehydrogenase and chromosome analyses. The fact that, overall, nearly 30% of the cell lines examined were incorrectly designated makes the importance of cell line monitoring self‐evident.
A prophylactic transfusion program for children with sickle cell anemia complicated by CNS infarction
Authors: Lusher Jeanne M. , Haghighat Hushang , Khalifa A. Samy 
Published: February 2007

AbstractCNS infarction is a devastating complication in sickle cell anemia. Episodes are frequently repetitive and often result in permanent neurologic abnormalities. In an attempt to prevent such recurences a periodic transfusion program was begun at the Children's Hospital of Michigan in 1969. Twenty‐one children currently on the program receive buffy‐coat poor transfusions on an out‐patient basis every 3 weeks. Of 15 who have been on the program for periods of from 9 months to 5 ¾ years, none have had progression of neurologic abnormalities, and several have had definite improvement in neurologic function. One child who was not brought in regularly had recurrent CNS infarction. The only recognized complication has been one instance of serum hepatitis. While such a transfusion of neurologic abnormalities resulting from recurrent CNS infarction in sickle cell anemia.
Two new glucose 6‐phosphate dehydrogenase variants associated with congenital nonspherocytic hemolytic anemia found in Japan: Gd(‐) tokushima and gd(‐) tokyo
Authors: Miwa Shiro , Ono Junichiro , Nakashima Koji , Abe Shigenobu , Kageoka Takeshi , Shinohara Kenji , Isobe Junichi , Yamaguchi Hisomu 
Published: February 2007

AbstractTwo new variants of glucose 6‐phosphate dehydrogenase (G6PD) deficiency associated with chronic nonspherocytic hemolytic anemia were discovered in Japan. Gd(‐) Tokushima was found in a 17‐year‐old male whose erythrocytes contained 4.4% of normal enzyme activity. Partially purified enzyme revealed a main band of normal electrophoretic mobility with additional two minor bands of different mobility; normal Km G6P, and Km NADP five‐ to sixfold higher than normal; normal utilization of 2‐deoxy‐G6P, galactose‐6P, and deamino‐NADP; marked thermal instability; a normal pH curve; and normal Ki NADPH. The hemolytic anemia was moderate to severe. Gd(‐) Tokyo was characterized from a 15‐year‐old male who had chronic nonspherocytic hemolytic anemia of mild degree. The erythrocytes contained 3% of normal enzyme activity, and partially purified enzyme revealed slow electrophoretic mobility (90% of normal for both a tris‐hydrochloride buffer system and a tris‐EDTA‐borate buffer system, and 70% of normal for a phosphate buffer system); normal Km G6P and Km NADP; normal utilization of 2‐deoxy‐G6P, galactose‐6P, and deamino‐NADP; greatly increased thermal instability; a normal pH curve; and normal Ki NADPH. These two variants are clearly different from hitherto described G6PD variants, including the Japanese variants Gd(‐) Heian and Gd(‐) Kyoto. The mothers of both Gd(‐) Tokushima and Gd(‐) Tokyo were found to be heterozygote by an ascorbate‐cyanide test.