Miracle-dz/UniFAR-FTUs huggingface dataset:
Wave Propagation on Turbulent Jets

Results of experiments involving the propagation of acoustically generated waves on turbulent plane jets are presented. The jets are produced by a perspex reconstruction of an organ pipe flue and their behaviour is shown to conform to the predictions of similarity and self-preservation; i.e. the jet velocity V"' x-1/2 and the jet-width is proportional to x, where xis the distance from the slit. Thus they are fully turbulent and, as a consequence, well behaved and reproducible. The measured wave velocities for frequencies between 200 Hz and 1200 Hz and slit-widths between 0.5 mm and 1.0 mm are compared with similar mea$urements on laminar jets. However, the stable nature of the turbulent jet allows much higher blowing pressures, up to 1500 Pa, to be used. The wave velocities u for the turbulent jet vary as x-1/2 and so the ratio of the ·wave velocity to the jet centre-velocity is constant along the jet. This ratio is closely equal to 0.5 except for small values of the effiux velocity and slit-width wh3re it rises to 0.6.
Dynamics of abscission of reproductive structures in common bean access

Genotypes from the Andean and Mesoamerican gene pool can present contrasting behavior for reproductive structures fixation. The subject of this study was to determine the dynamics associated with the abscission of reproductive structures for common bean accesses from Andean and Mesoamerican gene pools in protected cultivation conditions. The experiment was carried out in a greenhouse, using seven common bean accesses from Embrapa Arroz e Feijão and the experimental design consisted of a randomized complete block design. The evaluations made were based on the number of days to begin flowering, flowering period, number of emitted flowers per plant, number of flower buds, flowers and pods aborted per plant, total number of pods per plant and number of seeds per plant.Certain characteristics were considered to be highly significant, such as the amount of days to begin flowering, the flowering period, percentage of aborted pods and number of harvested pods. The Mesoamerican accesses that presented greater abortion also produced more flowers, which suggests that abortion of reproductive structures can be a natural adjustment of the plant. Andean accessions with shorter reproductive period showed greater pod abortion. The dynamics of flower and pod abscission in the common bean proved to be widely variable depending on the different gene pools and genotypes evaluated and due to growth habit.
Correlation between Refractive Errors and Intraocular Pressure after Adjusting by Central Corneal Thickness

Background: There is a significant correlation between myopia and intraocular pressure as an increase in the intraocular pressure (IOP) was on a higher side in high and moderate myopias in comparison to emmetropic and low myopic patients indicating higher degrees of myopia as an important risk factor for ocular hypertension. Objective: To investigate the correlation between refractive status and intraocular pressure after adjusting for central corneal thickness. Patients and Methods: This study was conducted in the Ophthalmology Department at Zagazig University Hospitals on patients with refractive errors within 20-40 years with no detectable systemic or ocular pathologies that could affect the outcome of the study. The spherical equivalent of refractive errors ranges in myopia from -1 to -6 and in hypermetropia from +1 to +6. The sample was (50) eyes to be divided into two groups. It was calculated using Open Epi Program with a Confidence level of 95% and power of 80% Results: The mean CCT of the studied myopic group was 544.68 ± 29.62, while among the studied hypermetropic group it was 548.9 ± 32.5, there was no statistically significant difference between both groups regarding central corneal thickness. The mean IOP of the studied myopic group was 17.44 ± 2.41. While among the studied hypermetropic group it was 13.92 ± 1.8, there was a highly statistically significant difference between both groups regarding IOP. Conclusion: There was a statistically significant correlation between intraocular pressure and myopia with intraocular pressure being higher in the moderate myopic patient than in low myopia, thereby increasing the risk of glaucoma in these patients.
A Potential Therapy for SARS-Cov-2 Virus Deactivation: Carbon Dioxide Management

On March 12, 2020, WHO has announced COVID-19 as a pandemic due to the uncontrolled spread of SARS-Cov-2 virus, which cause severe acute respiratory tract infections. The virus penetrates the human’s body through the droplets of infected person to other person, and binds to certain receptors located on the surface of the human cells. Many challenges appeared when suggesting medicines for the treatment of Covid-19, in addition to several unanswered questions related to the vaccines’ accessibility and long-term consequences. In this paper, we would like to suggest a potential treatment for COVID-19 disease based on existing knowledge in the medical field, whether the case is mild, moderate or severe. The therapy is based on the use of carbon dioxide (CO2) either alone or as a carrier of other medication as bronchodilator, antibiotic, antiviral or anti-cytokine. The investigation shows that administration of warmed, humidified form of CO2 gas to COVID-19 patient would deactivate the viral process. Therefore, CO2 has an antimicrobial effect or can act as disinfectant.
The Nexus Between Financial Development, Economic Growth and Poverty Alleviation: PMG-ARDL Estimation

This study aims to find out the connections between financial development, economic growth, and poverty using panel data from 1985 to 2017 in fourteen African countries that many previous researchers ignore. The study deploys a dynamic Granger causality test to trace the nexus between financial development, economic growth, and poverty reduction in Africa in the long run. First, the upshots suggest a gross domestic product, gross capital formation, price of household consumption, and government expenditure substantially impacting poverty. Besides that, the result also shows a bi-directional in the long run using a PMG estimator. The findings broadly support the view that there is a stable, short-run relationship between financial development, economic growth, and poverty in the error correction terms. However, other variables show no causal relationship in the short run. In practicality, this study suggested some policy implications and supported governmental policies to reduce economic hardship on financial institutions.JEL Classification: G10, O47, I39, C33How to Cite:Korankye, B. , Wen, X. , Appiah, M. , & Antwi, L. (2021). The Nexus Between Financial Development, Economic Growth, and Poverty Alleviation: PMG-ARDL Estimation. Etikonomi: Jurnal Ekonomi, 20(1), 1 – 12. https://doi.org/10.15408/etk.v20i1. 15908.
The Influence of the Investment Opporttunity Set ( IOS ) , Profitability , Investment Decisions , Dividend Policy , and Corporate Social Responsibility ( CSR ) on the Value of Manufacturing Companies Listed on the Indonesia Stock Exchange 2015-2019

This study aims to determine the effect of investment opportunity set (IOS), profitability, investment decisions, dividend policy, and coporate social responsibility (CSR) have a significant effect on company value in manufacturing companies on the Indonesia Stock Exchange 2015-2019. The sample in this study used purposive sampling in order to obtain 33 sample companies from 187 population of manufacturing companies listed on the Indonesia Stock Exchange, with 165 observations of financial statements (33 companies x 5 years of financial statement observations). The dependent variable in this study is company value. While the independent variables in this study, are IOS, profitability, investment decisions, dividend policy, and CSR. The data analysis method used is a type of multiple regression test to test the relationship between the independent and dependent variables. The results of this research hypothesis testing prove that IOS, profitability, dividend policy, and CSR have a significant effect on company value while investment decisions do not have a significant effect on company value in manufacturing companies on the Indonesia Stock Exchange in 2015-2019. The F test shows that Fcount is 938.069 with a significant 0.000 indicating that IOS, profitability, investment decisions, dividend policy, and CSR simultaneously affect company value. The coefficient of determination (R) IOS, profitability, investment decisions, dividend policy, and CSR have an influence on company value of 96.7% while the remaining 3.3% is influenced by other variables not examined. Based on the results of the tests conducted, it can be recommended to use proxies for IOS, profitability, dividend policy, and CSR in assessing company value, because these proxies have a significant effect on company
A Research on Level of Loneliness Among Female and Male Students Studying Professional Courses

The aim of this study was to analyze the level of loneliness among females and males studying professional courses. We measured the Level of Loneliness between female and male university students studying professional courses (N=80). Professional courses pursuing women and men were between the age group of 19-22 years. Results reveals that females pursuing professional courses were more in number in the high loneliness category when compared to professional courses pursuing males, which is significantly related to loneliness. This result supports the belief that family and society play an integral role in defining and influencing the profession, and that loneliness is indirectly connected to relationships. Finally, correlation analysis indicated positively between youth: female and male. It is proposed that daily therapy should generally be given to professional young people who have issues with loneliness.
Corruption-Related Disclosure in the Banking Industry: Evidence From GIPSI Countries

This paper empirically investigates corruption-related disclosure in the banking industry, aiming to identify the most relevant theories that explain the reasons why financial institutions disclose corruption-related information to the public in their annual financial reports. Using a total sample of 83 banks from the GIPSI countries during the period 2011-2019, our results reveal that, on average, banks that have been involved in corruption issues disclose less on corruption-related information than banks that have not been involved in any corruption scandal. Moreover, banks not involved in corruption cases disclose even more information after other banks’ corruption events become public. These basic relationships, however, are shaped by the characteristics of each particular country in terms of control of corruption and the specific regulation on non-traditional banking activities. Our results are robust to different specifications of the econometric models, and to alternative empirical methods accounting for potential reverse causality and sample selection concerns.
ARCHITECTURAL EDUCATION ENVIRONMENTS: WHERE TEACHING ENDS AND LEARNING BEGINS

Abstract Architecture is a fast changing domain. Nevertheless, architectural education in Egypt can often not keep pace with those fast changes. Namely, graduate students start to realize that there are practical experiences like dealing with clients, working in large teams and acquiring knowledge related to architectural software independently which they do not obtain in undergraduate years, but wish that they did! This raises the question of how far should the architecture educational process change from Teaching to Learning ? As a matter of fact, the educational process at any architectural department is defined to a very high extent by the physical attributes of the department's spaces. Educational environments created by both, the physical interior and the educational method are assumed to be responsible for students completely adhering to academic content and not being able to acquire new knowledge independently, innovate and develop the necessary work competencies. Therefore, the department of architecture at the Faculty of Engineering (University of Alexandria) is taken as a study case. A questionnaire among fresh graduate students is carried out to obtain feedback concerning the education provided. Meanwhile, a field survey is conducted to assess the most important key features of the department's physical space which affect the educational process as revealed through literature review. Finally the paper compares survey findings with questionnaire results and recommends a set of physical and educational changes to be made in order for shifting the educational process to be more learning-oriented at the department subjected to study.
DIET ISOTOPE ANALYSIS AND RELATED STUDIES IN PREHISTORIC UKRAINE: FACT, FICTION AND FANTASY

The authors consider scientific studies of Ukrainian skeletal material across the Epipalaeolithic to Eneolithic periods and offer some observations in relation to the efficacy of studies undertaken by different researchers. Firstly, the authors summarize the results of their own research since the original research undertaken by Lillie in the early 1990s, and present period based overviews (fig. 1—3) which discuss the nature of the evidence, the fact that fish remains important across the periods studied. The data also highlights the fact that by the Eneolithic period different culture groups are following distinct subsistence strategies. This is obviously marked by western dietary pathways linked to the integration of agro-pastoralism (and associated to presumed Trypillia farming groups at Verteba Cave), and those of the eastern hunter-fisher-foragers in the Dnieper region at Igren VIII and Molukhov Bugor. Interestingly the chronological separation between these two sites is also linked to dietary variability. At the earlier site of Igren VIII there is diet isotope evidence for a relatively heavy reliance on freshwater resources as ca. 4300—4000 cal BC, whilst at the latter site of Molukhov Bugor, at 3950—3700 cal BC, a reduction in the reliance on freshwater resources is in evidence. This is accompanied by evidence for a broader spectrum approach to the exploitation of the wild resources in and around the Dnieper Rapids region. Radiocarbon dating is shown to be affected by the FRE at the sites in and around the Dnieper system. This is clearly not the case at Verteba Cave because the freshwater reservoir effect is not associated with dietary pathways that place a reliance on terrestrial resources. The authors discuss the dating (fig. 4—6) and mobility and dietary isotope studies that they undertook at this location and contextualize these by comparison to the work of other researchers. It is suggested that some issues occur in relation to the different research groups activities at Verteba Cave, and the fact that there is a clear need for a more considered approach to the data presented by these other groups is highlighted. It could be argued that a lack of detailed knowledge and collaboration occurs despite the fact that there are clear overlaps between research agendas. The authors conclude with a call for targeted multi-disciplinary analyses aimed at whole cemetery studies in order to further enhance our understanding of socio-economic and societal developments during the early to mid-Holocene in Ukraine.
Role of p27 in differentiating follicular adenoma and follicular carcinoma of the thyroid

Background: Thyroid neoplasms represent a broad spectrum of tumors with different biologic behaviour. Although investigations like thyroid function tests, scintigraphy and ultrasonography were routinely used for the diagnosis of thyroid nodules, they could not discriminate between benign and malignant lesions. The present study is undertaken to assess the expression of cell cycle protein such as p27kip1 (p27) in thyroid neoplasms which might be useful in predicting behaviour of various thyroid neoplasms and aid in their diagnosis. Aim of the study was to assess the expression of p27 and its role in differentiating follicular adenoma and follicular carcinoma of the thyroid. Methods: The present study was undertaken to evaluate the expression of p27 in thyroid neoplasms with the help of immunohistochemical analysis over a period of 1 year. The study was conducted on archival blocks retrieved from the Department of Pathology, SMCH. 19 thyroid neoplasms were diagnosed (7 benign, 12 malignant) and IHC expression of p27 was studied. Results: There was over-expression of p27 staining in case of follicular adenoma whereas malignant lesions showed underexpression on p27 staining. P27 expression was significantly different in follicular adenoma and follicular carcinoma of the thyroid. Conclusions: The role of p27 in differentiating benign and malignant thyroid neoplasms may prove it to be a candidate marker if combined with other additional investigations like radionuclide scan or using a broad panel of IHC markers. This may provide more insight into the behaviour of tumors in a detailed manner.
Oncogene mutational analysis in imatinib naive population of gastrointestinal stromal tumor patients

There are very scanty reports on gastro-intestinal stromal tumors (GISTs), a very common tumor of mesenchymal cells in GIT track primary resistance to imatinib. This comprehensive study identifies the prevalence, clinical presentation and GIST genotype association in the imatinib naive population. Prospectively a record of anthropometric, baseline demographic data and clinical details for the patients diagnosed with GIST were scrutinized. Pathological information included the presence or absence of necrosis, tumor size, mitotic counts, immune-histochemical staining for CD 34, CD 117 and DOG1 was performed using biopsy sample. Selected exon genes of KIT, PDGFRA and BRAF were amplified and subjected to mutation analysis by direct sequencing. Appropriate statistical analyses were performed. The male/female ratio was 1.8:1 among 54 patients with GIST. The mean GIST size was comparatively bigger in females (2.49±0.855) than males (2.26±1.13). The stomach was the most common site for GIST followed by the Small bowel and rectum. The majority of the tumours were spindle cell. This study reports 12 different types of mutation among 39 KIT, 8 PDGFRA and 7 BRAF mutations. In KIT, the most prevalent was exon 11 mutation with the KITdelinc557/558 (14/30) being the major exon 11 type mutation. In PDGRFA, five exons 18 with p.D842V substitution and three exons 12 deletion mutation was reported. Seven patients had strong or diffuse BRAF staining having V600E type mutation as major BRAF type mutation. Drug-resistant GIST due to acquired mutations remains a serious issue, therefore genetic information of such mutational related to drug-resistant may provide the imperative clue for diagnosis and clinical treatment. These mutations are pivotal for prognosis and associated with imatinib as not all of them but only a few are reported resistant to the imatinib.
The ﬁrst principle calculations of structural, magneto-electronic, elastic, mechanical, and thermoelectric properties of half-metallic double perovskite oxide Sr 2 TiCoO 6

The structural, elastic, mechanical, magneto-electronic, and thermoelectric properties of Sr 2 TiCoO 6 double perovskite oxide have been studied within the framework of density functional theory. The FP-LAPW method within the (GGA) and (mBJ) approximations is chosen in the computational approach. This alloy crystallizes in a cubic structure with the ferromagnetic phase. The computed lattice constant was found to agree with the available experimental results. This compound shows the half-metallic ferromagnetic properties. A value of 1 µ B is found for the total magnetic moment with an important contribution from Co atoms. The elastic parameters reveal that Sr2TiCoO6 as being super hard and brittle. We calculated the thermoelectric properties of Sr 2 TiCoO 6 using the Boltzmann transport equations within the DFT in a temperature range from 100 to 1000 K. The transport parameters like Seebeck coefﬁcient, electrical thermal conductivity, the electrical conductivity, and the power factor, have been put together to establish their thermoelectric response. Our ﬁndings clearly demonstrate an improvement in the power factor with increasing temperature.
Overparameterisation and worst-case generalisation: friend or foe?

Overparameterised neural networks have demonstrated the remarkable ability to perfectly ﬁt training samples, while still generalising to unseen test samples. However, several recent works have revealed that such models’ good average performance does not always translate to good worst-case performance: in particular, they may perform poorly on subgroups that are under-represented in the training set. In this paper, we show that in certain settings, overparameterised models’ performance on under-represented subgroups may be improved via post-hoc processing. Speciﬁcally, such models’ bias can be restricted to their classiﬁcation layers
Making Sense of Geometry Education Through the Lens of Fundamental Ideas: An Analysis of Children’s Drawings

For many decades, the amount of geometry curriculum worldwide has been cut, mathematics curricula have lacked diversity of geometrical phenomena, and geometry teaching has been reduced to a somewhat eclectic mix of activities. Recently, new trends have begun to counteract these tendencies by framing new curricula around fundamental ideas. The goals of this paper are threefold: (a) to present the structural elements of a coherent geometry curriculum through the lens of fundamental ideas, (b) to develop an analytical tool to determine the fundamental ideas of geometry in children’s drawings, and (c) to provide insight into the images primary grade students have of geometry. The results are discussed not only with regard to the latter of these goals, but also with regard to their theoretical and practical implications.