bluuebunny/crossref_metadata_2025_split huggingface dataset:
Comparative Analysis of Stockpile Volume Estimation using UAV and GPS Techniques
Authors: Mantey S. , Aduah M. S. 
Published: July 2021

Mining operations involve the extraction of minerals of economic value from the earth. In surface mining operations, overburdens need to be stripped in other to reach the ore. Large volumes of waste as well as ore is stripped in the process. Various technologies have been used to aid in stockpile volume estimation. Notable among them are the Total Stations and Global Positioning Systems (GPS). However, labour, safety and time has challenged the use of these technologies. Unmanned Aerial Vehicle (UAV), commonly known as drone is an emerging technology for stockpile volume computations in the Mine. UAV technology for data collection is less labour intensive, safer and faster. Therefore, this study applied the UAV technology in an open pit to estimate stockpile volumes from a Mine. For the purpose of this study, GPS and UAV data were collected for measuring stockpile volumes of materials mined. The actual volumes of stockpiles A, B, C, D (Case 2), produced differences of 0.05% for A, 0.05% for B, 0.08% for C, 0.07% for D and 0.03% for A, -0.03% for B, 0.03% for C and 0.04% for D, for the GPS-based and the UAV-based techniques, respectively. The GPS-based technique generated moderate accuracies for volume estimation, but was time consuming and labour intensive, compared to the UAV-based technique; which was faster and less labour intensive. The UAV-based technique was the most accurate, safest and is capable of mapping large areas rapidly. It is therefore recommended that UAV survey be incorporated in stockpile volume estimation.
Keywords: UAV, GPS, Stockpile, Mine, Total Stations
Land Management Problems in the Mining Communities of Tarkwa, Ghana -A Look at Boundary Markers and Resurveys
Authors: Kwesi E. A. A. , Simpson O. , Lawerty J. K. , Mends A. , Assencher C. , Baffoe P. E. 
Published: July 2021

Boundary resurveys have become necessary in most mining communities of Ghana, especially, Tarkwa and its environs due to pressure and alteration in land use and land cover by mining operations. Most of the boundary markers (pillars, trees, streams, hills, valleys, footpaths, etc.) used in the past have been destroyed by mining and other associated activities. This has led to many disputes about ground boundaries and ownership of land tracts in the area. To curb the incidences of such conflicts, it has become important to have more reliable and scientific demarcations and surveys of the old boundaries and owners of land tracts in the area for registration, using modern technologies in land surveying. Equipment and methods used over a century ago to mark and describe land boundaries in the area have become obsolete now, and modern equipment and methods, while capable of measuring to very high precisions, cannot automatically give or tell the right boundaries and owners of land tracts established centuries ago. This paper examines the land boundaries situation in the study area, the impacts of mining on this, the need for boundary retracement surveys, the challenges that the rampant destruction of boundary markers in mining communities pose to such resurveys, and offers suggestions on dealing with these challenges in the management of land in the area. It also provides helpful information to land owners, land ‘buyers’ and land surveyors on the effects of the boundary problems on land transactions, surveys and registration in mining areas.

Keywords: Surface Mining, Boundary Markers, Retracement Surveys, Land Conflicts, Management
Forecasting cotton lint exports in Nigeria using the autoregressive integrated moving average model
Authors: Akenbor A.S. , Nwandu P.I. 
Published: July 2021

Nigeria was a major global exporter of cotton lint to international market during the colonial and post-colonial era till late 70s when the country fully embraced oil exports to the detriment of the non-oil sector, cotton lint exports inclusive. However, Nigeria is gradually emphasizing agricultural exports again to earn huge foreign exchange, the oil sector having left the country in economic crises. This study utilized time series model particularly, Autoregressive Integrated Moving Average (ARIMA) to make forecasting of cotton lint exports in Nigeria by using 46 yearly observations (1970-2015). The model went through series of investigative and diagnostic tests in order to observe the usefulness of the model. The fitting of the selected ARIMA (2,1,2) model to the time series data, means fitting ARIMA (2,1,2) model of one first order difference. Smaller RMSE, MAE as well as Theil Inequality coefficient are actually preferred and justified that ARIMA (2,1,2) model was justified as adequate for the forecasting of cotton lint exports in Nigeria with AIC value of 20.96771, SIC value of 21.04881, MAPE value of 6751.231, RMSE of 93303.67 and R2 of 0.330951. A thirty-year period ahead of cotton lint exports is predicted. The observations signify a rising trend in exports hence; it will be available especially in the future for foreign trade in the next thirty years. The outcome from the study is valuable for trade organisations and investors in assessing the precariousness of the market structure.
Determinants of farmers’ adoption of agroforestry technology in Ibarapa Area of Oyo State, Nigeria
Authors: Awe F. , Oguntoye T.O. , Olatunji B.T. 
Published: July 2021

This study examined the various forms of agroforestry technologies adopted by the farmers as well as assessed the factors influencing the adoption of agroforestry technologies among farmers in the study area. A multi-stage sampling technique was used to select the respondents from the study area. Both descriptive statistics such as frequencies and percentages as well as inferential statistics such as Logistic Regression model were used in the study. From the study, it was discovered that adopters of agroforestry technology accounts for 42.47%, while non-adopters accounted for 57.53% of the sampled respondents. The result further shows the different forms of agroforestry practices adopted by the farmers in the study area which includes boundary planting, multipurpose trees/shrubs, wind breaks and live fencing. The result of the analysis of the factors that influence the adoption of agroforestry technologies among farmers from the logistic regression analysis revealed that access to extension services, age, education, farming experience, farm size and gender were positive and significant factors in determining the adoption of agroforestry technologies among the farmers.
Social worldviews and social attitudes: Examining the psychological correlates for other-concern
Authors: Olonisakin Tosin Tunrayo , Adebayo Sulaiman Olanrewaju , Idemudia Erhabor Sunday 
Published: July 2021

Social inequality or inequity is existent in every society. As such, most societies dedicate efforts to ensuring fairness and justice for all its members. The university environment constitutes a miniature society on its own and everyday broader realities of the larger society are equally applicable within the university. The attitude that students hold with regards to social inequality could be a function of their worldviews which act as guiding principles for social conduct. In this study, the worldviews of self-transcendence and just-world beliefs were examined in relation to support for affirmative action and social dominance orientation among students. The study employed a survey approach with data collected through questionnaires from a sample of 331 (62.8% female) undergraduate students in a public university. The authors hypothesized that self-transcendence and just-world beliefs would be positively associated with support for affirmative action and negatively with social dominance orientation. Result of data analysis using structural equation modelling confirmed the hypotheses in this study. However, the relationship between just-world beliefs and social dominance orientation was not significant. Results were discussed for their implications for acceptance of social policies that try to bridge the gap between dominant and marginalised groups. The implication of findings for understanding and managing interaction between groups in an educational setting were emphasised. Recommendations were made regarding how policy makers can use knowledge of worldviews held by student in designing strategies geared towards acceptance of policies targeted at ensuring positive outcomes for members of disadvantaged groups. Suggestions for future research were given.
The importance of CD34 positive cell quantification for Hematopoietic stem cell mobilization
Authors: Santos Patricia Elkiki dos , Ribeiro Luiz Cláudio , Colugnati Fernando Antônio Basile , Morais Paula Alexandra da Graça , Andrade Rodrigo De Oliveira , Hallack Neto Abrahão Elias 
Published: July 2021

Abstract
Objective: The success of autologus hematopoietic stem cell transplantation relies on CD34+ cells' availability in peripheral blood (PB), which is affected by several factors as age, sex, type of the disease, treatments, and others. In that regard, this prospective study aimed to evaluate the influence of these factors, correlating them with the pre-apheresis CD34+ cell count.
Method: Before autologous hematopoietic stem cell transplantation, CD34+ cells were quantified in the pre-apheresis PB and the final product. Then, after the determination of minimum CD34+ value, clinical and laboratory parameters were compared between patients with higher and lower CD34+ cells count. Results: Out of the 34 patients, 29 presented more than 20,000 leukocytes/μl. Patients who failed in the mobilization presented <20,000 leukocytes/μl. There was a significant difference between the groups with different pre-apheresis CD34+ cells status regarding age (p=0.025), leukocyte count (p<0.001) and mononuclear cells (p=0.001) in PB. In addition, the pre-apheresis CD34+ ≥14 cells/μl group was related to a better yield of these cells in the final product and with the requirement of a single collection to obtain the minimum yield, of 2x106 CD34+/kg. Conclusion: This study demonstrates age and leukocyte count relate to CD34+ count in PB, and that CD34+ cells yield in the collection, can be predicted by CD34+ cells frequency in PB.
Phytoremediation of Aquaculture Wastewater by Colocasia esculenta, Pistia stratiotes, and Limnocharis flava
Authors: Ang Jia Hui , Hizar Nor Haniza , Lim Shuang Rong , Mohd Amin Mohamad Faiz , Hassin Nor Hizami , Mat Rasat Mohd Sukhairi , Ahmad Muhammad Iqbal , Abdul Razab Mohammad Khairul Azhar , Abdullah Nor Hakimin 
Published: July 2021

Phytoremediation is one of the effective methods in the treatment of water pollutant. In this study,Colocasia esculenta, Pistia stratiotes, and Limnocharis flava were used in this study to remediatethe contaminated aquaculture wastewater. The removal efficiency of parameter elements (Fe, Cd,and P), ability to increase DO, as well as accumulation of parameter elements (Al, Fe and Cd) wereevaluated. Aquaculture wastewater taken from tilapia pond was used as influent to be treated inconstructed wetland reactor tank with the selected plants. The HRT was set as 2 days for each of 6
batches. The plant sample analysis was carried out using Bruker S2 Ranger Energy Dispersive X-Ray Fluorescence (EDXRF) at the beginning and end of the whole set experiments, while the
wastewater analysis was carried out using EDXRF and YSI 556 MPS before the experiment andfor each batch. This study has shown the suitability to be used in phytoremediation of aquaculturewastewater was arranged ascending as Limnocharis flava < Pistia stratiotes < Colocasia esculenta.
Ensino Remoto Emergencial: Geografia Escolar e a virtualização da vida na pandemia da Covid-19
Authors: Chaves de Farias Ricardo , Mota Pereira da Silva Denise 
Published: July 2021

A pandemia de Covid-19 surpreendeu o mundo, provocou alterações nos modos de vida, nas práticas laborais e expôs as desigualdades do atual período técnico-científico-informacional. No sistema educacional, professores precisaram se reinventar para que o fechamento das escolas não fosse tão prejudicial ao processo ensino-aprendizagem. Nesse contexto, o artigo analisa a atuação de professores de Geografia durante a pandemia da Covid-19 a partir de breve discussão teórica sobre o histórico da educação a distância no Brasil, formação de professores e saberes docentes, a fim de conhecer as condições de trabalho destes profissionais ao longo do isolamento social. Para tanto, foi aplicado um questionário para professores de Geografia atuantes na educação básica. Os resultados demonstraram dificuldades, por parte dos sujeitos da pesquisa, com a modalidade remota, denunciaram o descaso das autoridades responsáveis pela Educação e revelaram a preocupação dos professores em garantir condições de aprendizagem aos estudantes, ao mesmo tempo que seus lares convertiam-se em locais de trabalho.
Território e descolonialidade: sobre o giro (multi)territorial/de(s)colonial na “América Latina” de Rogério Haesbaert
Authors: Zanotelli Cláudio Luiz 
Published: July 2021

Território e descolonialidade: sobre o giro (multi)territorial/de(s)colonial na “América Latina” de Rogério Haesbaert. Buenos Aires, Buenos Aires: CLACSO, 2021
“Behind the Figure of the Master Lies the Threat of Death” - How Hegel Cut into the History of Sovereignty: Interview with Mladen Dolar
Authors: Savić Luka , Dolar Mladen 
Published: July 2021

In the chapter “Self-consciousness”, found in his most important work The Phenomenology of Spirit (1807), Hegel presents his famous thesis on the master-slave dialectic. The relationship between the two is reciprocal as one’s self-consciousness is acknowledged only through the other’s self-consciousness. In a combat relation, one of these self-consciousness’s gives way, while the other rises from the fight as a master. The idea of a master-slave dialectic was one of Hegel’s most influential ones; most notably, it inspired Marx in his formulation of the historical struggle between the bourgeoisie and the proletariat. Much later, Kojève pointed out that Marx, in his formulation, omitted a key element found in Hegel’s equation: knowledge/truth is always on the side of the slave/proletariat. This gap that influenced the great French thinkers could not have come at a better time. Following the French Revolution, the structure of sovereignty changed radically, as the new social structures required a different kind of sovereignty. Up until the times of Freud, who witnessed the last “true” monarch, Franz Joseph, the remaining powerful father figures were slowly losing their power. The disappearance of traditional authorities provoked changes in the social structure. Society became mediatized hand in hand with political populism, however, this mediatization received its antipode in modern art.

Keywords: Hegel, dialectic, domination, modernity, mediatization
FATORES DE RISCO ASSOCIADOS À LINGUAGEM NO TRANSTORNO DO ESPECTRO AUTISTA: REVISÃO SISTEMÁTICA
Authors: Vitorio Ymai Rosendo Beatriz , Faustino Gonçalves Laura , Haas Patricia , De Oliveira Aline Mara 
Published: July 2021

Objetivo: Identificar os fatores de risco associados à linguagem oral no transtorno do espectro autista (TEA) em bebês de 6 a 18 meses de idade. Métodos: Para a seleção dos estudos foi utilizada a combinação baseada no Medical Subject Heading Terms (MeSH). Foram utilizadas as bases de dados Medline (Pubmed), LILACS, SciELO, BIREME, SCOPUS E WEB OF SCIENCE. Para complementar, foi realizada uma busca manual nas referências dos artigos incluídos na pesquisa e busca por literatura cinzenta no Google Scholar. O período de busca dos artigos compreendeu os últimos 5 anos (janeiro de 2015 a julho de 2020). Resultados: Foram selecionados 137 artigos com potencial para inclusão, sendo quatro correspondentes aos critérios de inclusão e à pergunta norteadora que constituiu em avaliar os fatores de risco associados à linguagem no Transtorno do Espectro Autista em bebês de 6 a 18 meses de idade. Conclusão: Estudos já sugerem a associação dos fatores de risco relacionados ao desenvolvimento da linguagem em bebês autistas de 6 a 18 meses ao diagnóstico e intervenção de TEA tardios, ao nascimento prematuro tardio e à baixa interação no ambiente familiar desde os primeiros dias de vida.
Apoio social para pessoas em situação de rua: Interface com saúde, direitos humanos e dimensão subjetiva
Authors: Ximenes Verônica Morais , Esmeraldo Filho Carlos Eduardo , Malhado Sâmia de Carliris Barbosa , Moreno Renata Silvestre , Monteiro Maria Natalia Bizerra Pimentel 
Published: July 2021

ResumoAs discussões sobre o apoio social e suas relações com as dimensões saúde, direitos humanos e dimensão subjetiva na vida das pessoas em situação de rua (PSR) são relevantes diante do crescimento dessa população em todas as cidades do Brasil e do mundo com a pandemia do COVID-19. Objetivou-se, com essa pesquisa, analisar o apoio social de PSR de Fortaleza (Ceará/Brasil), a partir das dimensões saúde, direitos humanos e subjetiva. A pesquisa foi realizada com a aplicação de 236 questionários válidos a pessoas que viviam nas ruas de Fortaleza no ano de 2019. As fontes de apoio social mais buscadas pelas PSR foram Deus, Centro Pop e Amigos em situação de rua e aquelas menos buscadas foram os CAPS, o Movimento Nacional da População de Rua (MNPR) e as Comunidades Terapêuticas. Os processos de humilhação e vergonha foram vivenciados repercutindo nas dimensões saúde, direitos humanos e subjetiva. As PSR sofrem alta discriminação e não são consideradas como sujeitos de direitos, o que revela o descaso do Estado na proposição de políticas públicas.ResumenLos debates sobre el apoyo social y sus relaciones con la salud, los derechos humanos y las dimensiones subjetivas en la vida de las personas sin hogar son pertinentes en vista del crecimiento de esta población en todas las ciudades del Brasil y del mundo con la pandemia de COVID-19. El objetivo de esta investigación fue analizar el soporte social de las personas sin hogar en Fortaleza (Ceará/Brasil), a partir de las dimensiones salud, derechos humanos y subjetiva. La investigación se realizó con la aplicación de 236 cuestionarios válidos a las personas que viven en las calles de Fortaleza en 2019. Las fuentes de apoyo social más buscadas por las personas sin hogar eran Dios, el Centro POP y Amigos en situación de calle y las menos buscadas eran el CAPS, el Movimiento Nacional de la Población Sin Hogar (MNPR) y las Comunidades Terapéuticas. Los procesos de humillación y vergüenza se experimentaron con repercusiones en la salud, los derechos humanos y las dimensiones subjetivas. Las personas sin hogar sufren una alta discriminación y no es considerado como un sujeto de derecho, lo que revela la negligencia del Estado en la propuesta de políticas públicas.
Dinamika Perubahan Beban Tumpuan Pijakan Kaki Pada Penari Bapang Malangan
Authors: Putra Sindu Amrita , Sahbana Muhammad Agus , Finahari Nurida 
Published: July 2021

Biomekanika didefinisikan sebagai bidang ilmu aplikasi mekanika pada sistem biologi. Pemahaman ilmu-ilmu dasar akan sangat berperan dalam mempelajari biomekanika secara keseluruhan. Biomekanika dapat digunakan untuk menganalisis gerak tari. Penelitian ini menganalisis perubahan posisi pijakan kaki penari. Pijakan kaki di suatu permukaan merupakan fenomena umum yang dikaji dalam bidang olahraga, dan tari, dalam kaitannya dengan potensi cidera kaki. Tujuan penelitian ini adalah untuk mendapatkan hasil analisis biomekanika perubahan beban tumpuan pijakan kaki. Penelitian dilakukan dengan merekam penari yang menari di atas landasan dinamometer berjala-jala koordinat. Penari direkam dalam kondisi menari tanpa dan dengan menggunakan kostum. Hasil rekaman video diubah menjadi gambar diam dengan resolusi 25 fps (frame per second) yaitu 25 foto diam dihasilkan dari rekaman video 1 detik. Data diambil dari rekaman video 4 detik pertama pada gerak ke-10 dan kelipatannya. Data ini kemudian dianalisis menggunakan aplikasi ImageJ ver 153 dan pengukuran manual berdasarkan jala-jala landasan, untuk mendapatkan titik koordinat. Pembacaan beban diambil langsung dari displai dinamometer pada foto data. Hasil penelitian menunjukkan bahwa ada perbedaan antara pembacaan dengan menggunakan ImageJ ver. 153 dan manual. Hal ini karena pembacaan aplikasi tidak bisa diverifikasikan dengan pembacaan 2 sisi pandang lainnya. Pembacaan beban berbeda antara kondisi menari dengan kostum dan tanpa kostum dengan nilai selisih rata-rata 5.18 kg, berbeda dengan beban kostum 7.1 kg. Perbedaan ini diduga disebabkan adanya waktu jeda dari pembacaan sensor dengan tampilan displai. Selain itu, pengukuran ini hanya membaca beban total, tidak membaca perbedaan posisi tumpuan. Disarankan untuk membuat sistem pengukuran yang bisa mendeteksi beban langsung di titik tumpuan kaki kiri dan kanan.
Analisis Proporsi Tingkat Kesehatan Bank Menggunakan Pendekatan RGEC pada PT. Bank BNI ( Persero), Bank Mandiri (Persero) dan Bank BRI (Persero) Periode 2014-2018
Authors: Hariani Hariani 
Published: July 2021

Penelitian ini bertujuan untuk menganalisis Tingkat Kesehatan PT. Bank Negara Indonesia (Persero), Bank PT. Mandiri (Persero) dan Bank Rakyat Indonesia.(Persero). Secara Metafora dengan Metode RGEC (Risk Profile Good Corpoeate Governance Earnings Capital). Tahun 2014-2018. Jenis penelitian yang digunakan yaitu deskripsi kuantitatif. Hasil penelitian menunjukkan tingkat kesehatan Bank BNI, Bank Mandiri dan Bank BRI. Dengan ini dikatakan sehat ditahun 2014-2018. Indikator risiko kredit memperoleh predikat sehat dengan indikator risiko likuiditas ketiga bank memperoleh predikat yang sehat . penilaian Good Corporate Governance (GCG) berdasarkan Self Assessment menunjukan Bank BNI predikat baik, Bank Mandiri predikat sangat baik dan Bank BRI predikat baik. Penilaian laba dari analisis rasio ROA dan NIM serta penilaian Modal berdasarkan analisis niali CAR menunjukkan bahwa Bank BNI, Bank Mandiri dan BRI memperoleh predikat sangat baik.
Efektivitas Pembelajaran Daring terhadap Daya Serap Siswa Kelas 9 SMP Kristen Kanaan Jakarta
Authors: Mursabdo Wisnu , Mursabdo Michael Christian 
Published: July 2021

Penelitian ini bertujuan untuk mengetahui dampak pembelajaran daring terhadap daya serap siswa selama pembelajaran daring. Penelitian ini bersifar kualitatif dengan harapan memberikan gambaran kondisi siswa selama pembelajaran daring. Metode penelitain dilakukan secara survei daring dengan melibatkan 22 siswa dari 60 siswa SMP Kristen Kanaan Jakarta. Dari hasil wawancara, maka dapat ditarik gambaran bahwa setengah siswa mengalami kendala penyerapan materi pembelajaran. Bahkan setengah siswa juga mengalami tekanan psikologis akibat pembelajaran daring. Kurangnya interaksi sosial antar siswa dan guru menjadi kendala dalam penyerapan dan pemahaman materi ajar.