bluuebunny/crossref_metadata_2025_split huggingface dataset:
‘Learning ENT’ by YouTube videos: perceptions of third professional MBBS students
Authors: Khilnani Ajeet Kumar , Thaddanee Rekha , Khilnani Gurudas 
Published: May 2020

<p class="abstract"><strong>Background:</strong> Advancement in technology has revolutionized the concept of teaching and learning medicine. YouTube is a popular and easily accessible tool to teach medical subjects. This study was done to evaluate the students’ perception of YouTube learning in ENT.</p><p class="abstract"><strong>Methods:</strong> This was a prospective study where a subject specific YouTube channel, ‘Learning ENT’, created by 1st author, was used to upload videos on selected topics in ENT for third professional MBBS part-1 students (n=145). Students were instructed to access the said videos from time to time throughout the year. At the end of the academic year the perceptions of students were taken and analyzed. </p><p class="abstract"><strong>Results:</strong> 124 students responded to the online questionnaire. 123 (99.2%) watched YouTube videos on their smart phones. 70 students (56.5%) accessed the YouTube videos for ENT topics very often. 122 (98.4%) students felt that these videos made them understand the topics better. Similarly, 115 (92.7%) students felt that these videos enhanced their interest in the subject. 114 (91.9%) students felt that these videos were more beneficial for practical topics in ENT. 61 students (49.2%) perceived that the duration of videos should be 5-10 minutes. Almost equal number (47.6%) students felt that 10-15 minutes duration is appropriate. 79 students (63.7%) perceived that watching videos made the topic easy to understand and also interesting. 71 students (57.2 %) felt that there were no limitations of the said channel.</p><p class="abstract"><strong>Conclusions:</strong> When integrated with other teaching learning methods, YouTube can be an effective tool to facilitate ENT learning.</p>
Epidemiologia e Saúde Coletiva: aspectos históricos e evolução da produção científica
Authors: Basto da Silva Gustavo Correia , Melo Neto Osires De Medeiros , Nóbrega Waleska Fernanda Souto 
Published: May 2020

A Epidemiologia, em comunhão com a Saúde Coletiva, forma o pilar da pesquisa científica em saúde, de modo a contribuir substancialmente para o desenvolvimento de ações e serviços. Desse modo, o presente artigo tem como objetivo realizar uma reflexão acerca dos aspectos históricos e evolução da produção científica dos campos da epidemiologia e saúde coletiva. Em suma, a análise da produção científica demonstrou que o interesse na temática não é recente e tem aumentado ao longo do tempo, entretanto ainda conta com um número restrito de artigos, concentrados geograficamente nas regiões sul e sudeste, marcados pela baixa diversidade de teorias e por fragilidades de aportes metodológicos.
Pelatihan Media Berbasis E-learning Menggunakan Kahoot! untuk Guru Fisika
Authors: Suyidno Suyidno , Zainuddin Zainuddin , Misbah Misbah , Salam Abdul , Mastuang Mastuang , Sasmita Fauzia Dwi , Hanifah Nor , Ramadhan Rizki 
Published: May 2020

Berdasarkan hasil observasi di beberapa sekolah di Banjarmasin, diketahui bahwa proses pembelajaran fisika jarang dikaitkan dengan penggunaan teknologi, seperti penggunaan media berbasis e-learning dalam pembelajaran. Oleh karena itu perlu pembekalan kepada guru fisika SMP/ SMA/sederajat tentang penggunaan teknologi dalam proses pembelajaran, salah satunya penggunaan media berbasis e-learning menggunakan kahoot!. Tim pengabdian masyarakat melaksanakan kegiatan pelatihan dengan tujuan melatih penggunaan media berbasis e-learning menggunakan kahoot! dalam pembelajaran fisika. Kegiatan pengabdian masyarakat dilaksanakan melalui metode demonstrasi dan praktik secara langsung membuat media pembelajaran menggunakan kahoot! . Kegiatan ini dihadiri oleh 17 orang guru fisika. Hasil akhir kegiatan pengabdian ini ialah dihasilkannya media berbasis e-learning menggunakan kahoot! dalam pembelajaran fisika. Media ini dapat dijadikan sebagai salah satu alternatif dalam meningkatkan minat peserta didik dalam belajar fisika.Based on observation result in schools in Banjarmasin, physics learning seldom to utilize technology, such as e-learning-based media. Therefore, physics teachers in high school need to be supplied with technology utilization in the learning process. In this dedication to society, the supplied e-learning-based media to the teachers is Kahoot!. The team conducted training to exercise utilization of Kahoot! in physics learning. This program intends to produce e-learning-based media using Kahoot! and international in physics learning. Community service activities are carried out through demonstration methods and practices that directly create learning media using Kahoot!. This activity was attended by 17 physics teachers. The final result of this community service activity is the production of e-learning based media using Kahoot! in learning physics. This media can be used as an alternative to increasing students' interest in learning physics.
Pelatihan Penggunaan Google Classroom untuk Mengoptimalkan Proses Pembelajaran
Authors: Sari Delsika Pramata , Sukmawati R Ati , Purba Harja Santana , Muhammad Dimas Maulana , Azis Syahril Hanla 
Published: May 2020

Kualitas pendidikan sangat bergantung pada kualitas pembelajaran yang dilaksanakan guru di kelas. Optimalisasi proses pembelajaran dapat dilakukan dengan mengintegrasikan penggunaan teknologi sebagai media pembelajaran. Oleh karena itu sangat penting melatihkan penggunaan google classroom kepada para guru. Tujuan pengabdian kepada masyarakat ini adalah memberikan pelatihan penggunaan google classroom untuk mengoptimalkan proses pembelajaran di SMK ISFI Banjarmasin, dan menghasilkan modul google classroom. Sasaran kegiatan ini adalah para guru SMK ISFI Banjarmasin. Metode yang digunakan dalam kegiatan ini, antara lain memberikan pelatihan pengetahuan mendasar mengenai penggunaan google classroom, memberikan gambaran pengalaman bagaimana penggunaan google classroom secara sistematis dalam pembelajaran, serta menghasilkan modul google classroom. Kegiatan ini menghasilkan modul google classroom yang digunakan oleh para guru dalam pelatihan. Selain itu, kegiatan ini berkontribusi meningkatkan pengetahuan dan kemampuan guru dalam penggunaan google classroom sebagai media pembelajaran. Penggunaan google classroom diharapkan dapat membuat proses pembelajaran menjadi menyenangkan, sehingga berdampak positif terhadap hasil belajar siswa, serta meningkatkan kualitas kinerja guru. The quality of education is very dependent on the quality of learning carried out by teachers in the classroom. The optimization of the learning process can be done by integrating the use of technology as a learning medium. Therefore it is very important to train the use of google classroom to teachers. Community service aims to provide training in using google classroom to optimize the learning process at SMK ISFI Banjarmasin and produce a google classroom module. The target of this activity is Banjarmasin ISFI Vocational School, teachers. The methods used in this activity include providing training in basic knowledge about using google classroom, providing an overview of experiences on how to use google classroom systematically in learning, and producing a google classroom module. This activity produces a google classroom module that is used by teachers in training. In addition, this activity contributes to increasing teacher knowledge and ability in using Google classroom as a learning medium. The use of google classroom is expected to make the learning process enjoyable so that it has a positive impact on student learning outcomes while improving the quality of teacher performance.
Pemberdayaan Perempuan Desa: Produksi dan Pemasaran Nata de Coco
Authors: Sholahuddin Arif , Analita Rizki Nur , Iriani Rilia , Suharto Bambang 
Published: May 2020

Desa Tamban Muara, Kecamatan Tamban, Kabupaten Barito Kuala, Kalimantan Selatan merupakan sebuah desa yang memiliki sumber daya alam yang berlimpah berupa tanaman kelapa. Air dari buah kelapa yang ada seringkali tidak digunakan, sehingga pelaksana kegiatan pengabdian masyarakat bermaksud mengolah air kelapa tersebut menjadi Nata de Coco agar lebih bermanfaat. Tujuan dari kegiatan ini adalah agar masyarakat Desa Tamban Muara dapat memanfaatkan dan mengolah air kelapa, serta memiliki pengetahuan dan keterampilan tentang pengemasan dan pemasaran Nata de Coco hasil produksi rumah tangga. Metode kegiatan yang dilakukan berupa penyuluhan dan praktik tentang pembuatan Nata de Coco serta praktik pengemasan dan sosialisasi tentang pemasaran Nata de Coco kemasan. Peserta kegiatan adalah ibu-ibu yang tergabung dalam kelompok Pemberdayaan Kesejahteraan Keluarga (PKK) sebagai perwakilan masyarakat Desa Tamban Muara. Hasil yang diperoleh dari kegiatan tersebut adalah peserta kegiatan mampu: (1) membuat Nata de Coco dari air kelapa yang diperoleh dari lingkungan sekitar; (2) mengemas Nata de Coco menjadi produk yang siap dijual, dan (3) memasarkan Nata de Coco untuk dikonsumsi oleh masyarakat luas. Kegiatan pengabdian masyarakat tersebut diharapkan dapat mendukung pemberdayaan perempuan/ibu rumah tangga dan dan meningkatkan ekomomi keluarga. Tamban Muara Village in Tamban Subdistrict, Barito Kuala Regency, South Kalimantan, is a village that has a lot of coconut trees as natural resources. The availability of coconut water is typically unused, so the community service team decided to process the coconut water into Nata de Coco to be more useful. The aims of the activities are to pursue villagers of Tamban Muara in utilizing and processing coconut water and also in getting knowledge and skills in packaging and marketing of Nata de Coco from household production. Activities method that has been done are counseling and practicing about Nata de Coco production, alongside with packaging and marketing. The participants are representative of the Empowerment of Family Welfare of Tamban Muara Village. The result of this activity are the representative can: (1) produce Nata de Coco from coconut water of village; (2) package Nata de Coco become a product that ready to sell; and (3) market Nata de Coco to be consumed by the wider community. The community service activities are expected to support the empowerment of the women/housewife and to increase family economically.
Impingement-Free Hip Flexion in Asymptomatic Young Adult Women
Authors: Mahan M. Chad , Yu Charles C. , Shields Rachel , van Holsbeeck Marnix , Zaltz Ira 
Published: May 2020

Background:
Ultrasound-assisted measurement of hip flexion has demonstrated that hip flexion has been historically overestimated in men. To our knowledge, assessment of hip flexion in women using similar methods has not been reported. Establishing normative values for hip flexion is vital to aid diagnosis, management, and future research. Therefore, we asked 2 questions: (1) At what range of midsagittal hip flexion do soft-tissue impingement and femoroacetabular abutment occur in asymptomatic young adult women? (2) Do radiographic findings on a supine anteroposterior pelvic radiograph correlate with ultrasound-assisted measurements of hip flexion?

Methods:
Fifty-five asymptomatic adult women volunteers (107 hips) underwent ultrasound-assisted assessment of hip flexion. Hip flexion was recorded at the initiation of labral contact and at bone-on-bone contact. Recorded motion was correlated with common radiographic measurements of hip morphology as observed on a supine anteroposterior pelvic radiograph.

Results:
The mean age of the subjects was 26 ± 3 years (range, 21 to 35 years), and the mean body mass index was 23 ± 3 kg/m2 (range, 17 to 31.6 kg/m2). Mean impingement-free and maximum midsagittal passive flexion were 72° ± 8° (95% confidence interval [CI], 70° to 74°) and 101° ± 11° (95% CI, 99° to 103°), respectively. There were no significant correlations between radiographic measurements of hip morphology and ultrasound-measured hip range of motion.

Conclusions:
Observed hip flexion in the asymptomatic hips of young women is substantially less than has been historically reported. Morphologic features that are measurable on anteroposterior pelvic radiographs do not correlate with ultrasound-measured hip flexion. Diagnosis of hip disorders and treatments that are designed to alter hip range of motion should be based on normative data. Future studies regarding surgical restoration and/or preservation of hip flexion should be based on an understanding of normal hip range of motion.

Clinical Relevance:
Ultrasound-assisted hip flexion measurement established normative values to guide surgical restoration and/or preservation of hip flexion.
The Cost-Effectiveness of Platelet-Rich Plasma Injections for Knee Osteoarthritis
Authors: Rajan Prashant V. , Ng Mitchell K. , Klika Alison , Kamath Atul F. , Muschler George F. , Higuera Carlos A. , Piuzzi Nicolas S. 
Published: May 2020

Background:
Use of platelet-rich-plasma (PRP) injections for treating knee osteoarthritis has increased over the past decade. We used cost-effectiveness analysis to evaluate the value of PRP in delaying the need for total knee arthroplasty (TKA).

Methods:
We developed a Markov model to analyze the baseline case: a 55-year-old patient with Kellgren-Lawrence grade-II or III knee osteoarthritis undergoing a series of 3 PRP injections with a 1-year delay to TKA versus a TKA from the outset. Both health-care payer and societal perspectives were included. Transition probabilities were derived from systematic review of 72 studies, quality-of-life (QOL) values from the Tufts University Cost-Effectiveness Analysis Registry, and individual costs from Medicare reimbursement schedules. Primary outcome measures were total costs and quality-adjusted life years (QALYs), organized into incremental cost-effectiveness ratios (ICERs) and evaluated against willingness-to-pay thresholds of $50,000 and $100,000. One and 2-way sensitivity analyses were performed as well as a probabilistic analysis varying PRP-injection cost, TKA delay intervals, and TKA outcomes over 10,000 different simulations.

Results:
From a health-care payer perspective, PRP resulted in 14.55 QALYs compared with 14.63 for TKA from the outset, with total health-care costs of $26,619 and $26,235, respectively. TKA from the outset produced a higher number of QALYs at a lower cost, so it dominated. From a societal perspective, PRP cost $49,090 versus $49,424 for TKA from the outset. The ICER for TKA from the outset was $4,175 per QALY, below the $50,000 willingness-to-pay threshold. Assuming the $728 published cost of a PRP injection, no delay time that was <10 years produced a cost-effective course. When the QOL value was increased from the published value of 0.788 to >0.89, PRP therapy was cost-effective with even a 1-year delay to TKA.

Conclusions:
When considering direct and unpaid indirect costs, PRP injections are not cost-effective. The primary factor preventing PRP from being cost-effective is not the price per injection but rather a lack of established clinical efficacy in relieving pain and improving function and in delaying TKA. PRP may have value for higher-risk patients with high perioperative complication rates, higher TKA revision rates, or poorer postoperative outcomes.

Level of Evidence:
Economic Level IV. See Instructions for Authors for a complete description of levels of evidence.
HUBUNGAN KEPEMIMPINAN KETUA KELOMPOK DENGAN KEEFEKTIFAN KELOMPOK TANI PADI SAWAH DI KECAMATAN SUKOHARJO KABUPATEN PRINGSEWU
Authors: Rangga Kordiana K , Listiana Indah 
Published: May 2020

<p align="center"><strong>ABSTRACT</strong></p><pre><em> </em><em>Farmer groups are a forum for farmers to make it easier for farmers to carry out their farming, if the farmer group runs effectively in accordance with the goals of the group. Effective farmer groups cannot be separated from the role of group leaders. The head of the farmer group has an important role in supporting the group to achieve its group goals. Based on the background described, then </em><em>the purpose of this research are to know: the effectiveness of paddy farmer group; the leadership level of farmer group; and the relationship between leadership of farmer group leader with the effectiveness of farmer group in Sukoharjo Sub District of Pringsewu Regency. This research was conducted in Sukoharjo Sub District Pringsewu Regency, with 73 respondents of paddy farmer. Data was collected by using survey method with descriptive analysis and using statistical non parametric test rank spearman correlation to test hypothesis. The results showed that</em><em> paddy farmer group in </em><em>Sukoharjo Sub District had a high level of effectiveness, had a medium level of leadership of farmer group leader; and leadership of farmer group had significant relationship with farmer group effectiveness. </em></pre><p> </p><p>Keyword:<em> effectiveness, </em><em>farmer group</em><em>, leadership.</em></p><p align="center"><strong> </strong></p><p align="center"><strong>ABSTRACT</strong></p><p>Kelompok tani merupakan wadah bagi petani agar memudahkan petani dalam menajalankan usahataninya, jika kelompok tani berjalan secara efektif sesuai dengan tujuan kelompoknya. Kelompok tani yang efektif tidak terlepas dari peran ketua kelompok. Ketua kelompok tani memiliki peran yang penting dalam mendukung kelompok mencapai tujuan kelompoknya. Berdasarkan latar belakang yang telah diuraikan, maka tujuan dari penelitian ini yaitu untuk mengetahui: keefektifan kelompok tani padi sawah; tingkat kepemimpinan ketua kelompok tani; dan hubungan antara tingkat kepemimpinan ketua kelompok tani dengan keefektifan kelompok tani padi sawah di Kecamatan Sukoharjo Kabupaten Pringsewu. Penelitian ini dilakukan di Kecamatan Sukoharjo Kabupaten Pringsewu, dengan 73 petani responden. Metode pengumpulan data menggunakan metode survey, dengan anilisis deskriptif dan menggunakan uji statistik korelasi <em>rank spearman </em>non parametrik untuk menguji hipotesis. Hasil penelitian menunjukkan kelompok tani padi sawah memiliki tingkat keefektifan yang tinggi, memiliki tingkat kepemimpinan ketua kelompok yang sedang, dan kepemimpinan ketua kelompok tani memiliki hubungan yang nyata dengan keefektifan kelompok tani.</p><p> </p>
Performance Comparison of Novel Chemical Agents for Mitigating Water-Blocking Problem in Tight Gas Sandstones
Authors: Huang Hai , Babadagli Tayfun , Chen Xin , Li Huazhou , Zhang Yanming 
Published: May 2020

Summary
Water blocking can be a serious problem, causing a low gas production rate after hydraulic fracturing, a result of the strong capillarity in the tight sandstone reservoir aggravating the spontaneous imbibition. Fortunately, chemicals added to the fracturing fluids can alter the surface properties and thus prevent or reduce the water-blocking issue. We designed a spontaneous imbibition experiment to explore the possibility of using novel chemicals to both mitigate the spontaneous imbibition of water into the tight gas cores and measure the surface tensions (STs) between the air and chemical solutions. A diverse group of chemical species has been experimentally examined in this study, including two anionic surfactants (O242 and O342), a cationic surfactant (C12TAB), an alkaline solution of sodium metaborate (NaBO2), an ionic liquid (BMMIM BF4), two nanofluids with aluminum oxide and silicon oxide (Al2O3 and SiO2, respectively), and a series of deep eutectic solvents (DES3-7, 9, 11, and 14). Experimental results indicate that the anionic surfactants (O242 and O342) contribute to low STs but cannot ease the water-blocking issue because they yield a more water-wet surface. The high pH solution (NaBO2), ionic liquid (BMMIM BF-4), and sodium chloride brine (NaCl) significantly decrease the volume of water imbibed to the tight sandstone core through wettability alteration, and C12TAB leads to both ST reduction and an air-wet rock surface, helping to prevent water blocking. The different types of DESs and nanofluids exhibit distinctly different effects on expelling gas from the tight sandstone cores through water imbibition. This preliminary research will be useful in both selecting and using proper chemicals in fracturing fluids to mitigate water-blocking problems in tight gas sandstones.
Predictive Modeling of Relative Permeability using a Generalized Equation-of-State
Authors: Purswani Prakash , Johns Russell T. , Karpyn Zuleima T. , Blunt Martin J. 
Published: May 2020

Abstract
Reliable simulation of enhanced oil recovery processes depends on an accurate description of fluid transport in the subsurface. Current empirical transport models of rock-fluid interactions are fit to limited experimental data for specific rock types, fluids, and boundary conditions. In this paper, a general equation-of-state (EoS) approach is developed for relative permeability (kr) based on a set of geometric state parameters: normalized Euler characteristic (connectivity) and saturation. Literature data and pore-network modeling (PNM) simulations are used to examine the functional form of the EoS.
Our results show that the new kr-EoS matches experimental data better than the conventional Corey form, especially for highly nonlinear relative permeabilities at low saturations. Using hundreds of PNM simulations, relative permeability scanning curves show a locus of residual saturation and connectivity which defines an important limit for the physical kr region. The change of this locus is also considered for two contact angles. PNM data further allows for the estimation of the relative permeability partial derivatives which are used as inputs in the EoS. Linear functions of these partials in the connectivity-saturation space renders a quadratic response of kr, which shows excellent predictions. Unlike current empirical models that are based on only one residual saturation, the state function approach allows for dynamic residual conditions critical for capturing hysteresis in relative permeability.
Analyzing Hydrodynamic Energy Consumption to Predict Carrying Capacity Index
Authors: Al-Sudani Jalal A. 
Published: May 2020

Summary
Implementing efficient fluid-carrying capacity of drilled cuttings is an essential process for a good drilling program, either for a better rate of penetration (ROP) or a safer drilling operation.
In this paper, I present a methodology that is based on the transfer function representation, which can be used to analyze the consumed fluid energy used in lifting the drilled cuttings in vertical wells to estimate the maximum carrying capacity index (CCI), which leads to performance at the desired ROP.
The consumed hydrodynamic energy equation has been formulated using a second-order differential equation as a function of the drilling fluid, cuttings properties, and drilling operating parameters. Therefore, it allows an accurate quantitative monitoring of the fluid's CCI, which is the best alternative method to the currently empirical model. Moreover, it determines the perfect hydrodynamic energy required for any designed ROP to prevent excessive or poor hole-cleaning performance.
A Molecular Dynamics Study of Primary Production from Shale Organic Pores
Authors: Perez Felipe , Devegowda Deepak 
Published: May 2020

Summary
We created a model of mature kerogen saturated with a black oil. Our fluid model spans light, intermediate, and long alkane chains; and aromatics, asphaltenes, and resins. The maximum pore diameter of our kerogen model is 2.5 nm. The insertion of a microfracture in the system allows us to study fluid transport from kerogen to the microfracture, which is the rate-limiting step in hydrocarbon production from shales. Our results indicate that the composition of the produced fluids changes with time, transitioning from a dry/wet gas to a gas condensate, becoming heavier with time. However, at any given time, the produced fluid is significantly lighter than the in-situ fluid. The species with the greatest mobility is methane, which is expected because it is the lightest molecule in the fluid and its ability to migrate is greater than that of all other fluid molecules. A sensitivity analysis shows that the produced fluid composition strongly depends on the initial composition of the fluids in organic pores.