bluuebunny/crossref_metadata_2025 huggingface dataset:
Influencia de fibras naturales y sintéticas en la permeabilidad de morteros de cemento - arena, y cemento, cal y arena
Authors: Viera Paulina , Morillo Dayra , Parion Jofre
Published: February 2022

Un problema común en las paredes de mampostería es la humedad. Los morteros de pega y enlucidos pueden actuar como una barrera impermeable, reduciendo costos en reparaciones futuras. Para determinar la influencia de las fibras sintéticas de polipropileno y naturales de cabuya (Furcraea Andina) (tratadas con parafina) en la permeabilidad de morteros. Se realizó el ensayo de profundidad de penetración de agua bajo presión (UNE-EN 12390-8) y el ensayo de velocidad de absorción capilar de agua (ASTM C 1585-04). Para lo cual se fabricaron morteros de (cemento y arena) y morteros de (cemento, cal y arena) con adiciones de fibras de polipropileno y cabuya de 12 mm, en porcentajes de: 0.15%, 0.3% y 0.5% del volumen de mortero. Se determinó que las fibras de polipropileno y cabuya incrementan la profundidad de penetración de agua bajo presión, más aún si el mortero contiene cal. Por otro lado, la adición de 0.15% fibras de polipropileno, 0.15% y 0.3% fibras de cabuya, disminuyen la absorción capilar en los morteros de (cemento y arena). De igual manera la adición de 0.3% fibras de cabuya disminuye la velocidad de absorción capilar de los morteros en una etapa inicial. Los morteros de cal tienden a absorber agua a una mayor velocidad en la etapa inicial, y en la etapa secundaria su velocidad de absorción disminuye en comparación a los morteros de (cemento y arena). Adicionalmente se realizó el ensayo de resistencia a la compresión simple a los 28 días. Todos los morteros superaron la resistencia de 5.2 MPa establecida por la norma NTE INEN 2518, para morteros tipo N. Los morteros con 0.3% fibras de cabuya, alcanzaron la mejor resistencia, los morteros de (cemento y arena) con 7.905 MPa y los morteros de (cemento, cal y arena) con 7.517 MPa.
Pengaruh skill abad 21 terhadap keputusan karir siswa sekolah menengah kerjuruan
Authors: Nikmarijal Nikmarijal , Janawi Janawi , Wahyudi Wahyudi , Komariah Komariah
Published: February 2022

By choosing SMK, it means that students have also chosen what profession they will pursue in the future. The process of choosing a future profession stretches over a long period of time and includes a variety of small choices that eventually lead to a particular professional path. To achieve the desired career in accordance with the demands of today's era, of course mastery of 21st century skills is needed. Because not all students who graduate from school are ready to work. This research is quantitative descriptive. The instrument used is a Career Choice Decision Making Questionnaire and a 21st Century Skill Ability Questionnaire. Based on Table 1 the significance value output above is known between 21st Century Skills (X) and Career Decisions (Y) the Significance value (Sig, (1-tailed) is .00 which means <0.05. So based on this it can be seen clearly that there is a significant correlation.
Pengembangan multimedia pembelajaran teknik komputer berbasis augmented reality untuk siswa madrasah bidang studi informatika
Authors: Adriansyah Adriansyah , Huda Asrul , Mukhayar Riki , Ambiyar Ambiyar
Published: February 2022

Implementasi multimedia pembelajaran disekolah belum maksimal sehingga siswa kurang aktif dan kreatif dalam proses pembelajaran. Penelitian dilakukan di MAS TI Canduang. Tujuan penelitian ini adalah mendeskripsikan multimedia pembelajaran berbasis Augmented Reality yang valid, praktis, dan efektif pada Mata Pelajaran Teknik Komputer. Penelitian ini menggunakan metode Research and Development (R&D) dengan prosedur pengembangan ADDIE (Analysis, Design, Development, Implementation and Evaluations). Teknik analisis data menggunakan teknik analisis deskriptif untuk mendeskripsikan nilai validitas, kepraktisan, dan keefektifan multimedia pembelajaran berbasis Augmented Reality. Hasil dari penelitian pengembangan ini adalah: (1) Menghasilkan multimedia pembelajaran berbasis Augmented Reality, (2) Validitas multimedia pembelajaran berbasis Augmented Reality dinyatakan valid dengan kategori nilai 0,88>0,61, (3) Praktikalitas multimedia pembelajaran berbasis Augmented Reality berdasarkan dua respon guru dengan nilai rata-rata 89,4 dengan kategori sangat praktis dan 21 respon siswa dengan nilai rata-rata 85,83 dengan kategori sangat praktis, (4) Efektivitas multimedia pembelajaran berbasis Augmented Reality dinyatakan efektif dalam meningkatkan hasil pembelajaran. Berdasarkan hasil penelitian dapat disimpulkan bahwa multimedia pembelajaran berbasis Augmented Reality valid, praktis, dan efektif untuk digunakan sebagai multimedia pembelajaran pada mata pelajaran Teknik Komputer.
Identifikasi kebutuhan layanan perpustakaan sains dan teknologi nuklir berbasis Inklusi sosial
Authors: Susilo Hadi , Noeraida
Published: February 2022

Pemerintah saat ini menggalakkan layanan perpustakaan berbasis inklusi sosial. Perpustakaan Sains dan Teknologi Nuklir sebagai perpustakaan khusus, dapat berperan dalam memberdayakan pemustaka dalam konteks inklusi sosial agar produk yang dihasilkan oleh peneliti dapat bermanfaat bagi masyarakat luas. Selain itu, yang utama adalah untuk meningkatkan keberterimaan, masyarakat awam terhadap iptek nuklir melalui layanan perpustakaan berbasis inklusi sosial sangat tepat. Tujuan dalam makalah ini adalah untuk mengidentifikasi kebutuhan layanan perpustakaan berbasis inklusi sosial. Metode yang digunakan adalah deskriptif analisis dengan pengumpulan data dari literatur dan dokumen ilmiah produk hasil penelitian bidang iptek nuklir. Berdasarkan hasil dan pembahasan, terdapat beberapa tahap yang harus dilakukan pustakawan yaitu mengembangkan layanan perpustakaan dengan mengidentifikasi pengguna, pengembangan koleksi, kelembagaan dan layanan, kajian kelayakan teknis dan operasional serta upaya yang dilakukan saat ini. Beberapa upaya yang harus dilakukan pustakawan yaitu dengan melakukan penataan fisik, Inventarisasi, identifikasi dan pemilihan koleksi, melakukan kemas ulang koleksi, melakukan jejaring perpustakaan. Konsep layanan inklusi sosial yang dapat dilakukan dengan memberikan layanan Internal kepada keluarga pegawai dan selain pegawai seperti cleaning services melalui ceramah atau pelatihan. Selain itu layanan eksternal dengan mengundang tokoh untuk memperoleh informasi megenai kebutuhan masyarakat agar dapat memberikan pelatihan yang sesuai dengan kebutuhan. Dapat disimpulkan bahwa pustakawan pada perpustakaan sains dan teknologi nuklir sangat perlu melakukan layanan perpustakaan inklusi sosial agar produk iptek nuklir bermanfaat secara optimal dan dapat diterima secara positif oleh masyarakat luas.
Effect of Economic and Demographic Factors on Educational Mismatch Probability of Sectoral Workers
Authors: Yunisvita Yunisvita , Teguh Muhammad , Apriani Deassy , Imelda Imelda
Published: February 2022

This paper analyzes effect of economic and demographic factors on probability of overeducated workers in Southern Sumatra. Research using binary logistic regression model to estimate probability of overeducation workers. The data used came from the National Labor Force Survey (SAKERNAS) 2018. Unit of analysis is the workers in Southern Sumatra, including South Sumatra Province, Jambi, Bengkulu, Lampung and Bangka Belitung. Sample consisted of 13 683 workers. Estimation results show that income, sector or business field, age and area of residence affect probability of workers being overeducated. Income is the most dominant factor determining probability by providing a positive effect, but vice versa with age factor. Changes in area of residencefrom rural to urban areas give greater possibility of overeducation but this is not the case if there is a change in employment sector from primary to non-primary.The phenomenon of overeducation implies that workers can more easily adapt and understand their work so that productivity is more easily increased.The possibility of over-education mismatch in the regional labor market in South Sumatra is very unique because although the absorption of workers is still dominated by the primary sector, when there is a change of work to the primary sector, the possibility of overeducation actually decreases.
Igrejas Pentecostais
Authors: Rolim Francisco Cartaxo
Published: February 2022

Muita gente, sobretudo no meio católico, desconhece as Igrejas Pentecostais, seus cultos e práticas. O preconceito elitista de fanatismo atirado aos cultos pentecostais detém os passos da simples curiosidade de os conhecer, ou de casualmente assistir a algum deles. Entretanto, muito leitor de missas dominicais teria algo a aprender desses crentes simples que meditam os textos bíblicos antes de os lerem em público para os seus irmãos, que anunciam com desembaraço, numa linguagem de gente do povo, o que vão ler e que não se transformam em meros repetidores de folhas já escritas por outros. Diríamos, também, que muito membro de Comunidade Eclesial de Base iria aprender alguma coisa vendo essa gente simples e pobre, sem quase nenhuma instrução, que não tem medo de falar em suas igrejas. Passa-se, assim, ao largo desse enorme conjunto religioso, com mais de meio século de existência entre nós, c que conta aproximadamente entre 70 e 75% dos evangélicos...
Eclesiologia Latino-americana da Libertação
Authors: Codina Victor
Published: February 2022

Em um Simpósio teológico realizado em Bolonha, no mês de abril de 1980, quando se estudava A Recepção do Vaticano II 15 anos após seu encerramento, pôs-se em evidência o contraste entre duas formas de presença eclesial no mundo de hoje. Enquanto no Velho Mundo, onde se vivem problemas de saciedade e vazio, a Igreja corre o perigo de fechar-se em seus problemas internos, já no Terceiro Mundo, por outro lado, emerge um protagonismo dos pobres e a Igreja, deixando o recinto de suas paredes, começa a tornar-se um sinal de esperança...
Avaliação moral do abortamento voluntário
Authors: Lepargneur Hubert
Published: February 2022

Se, como em geral se pensa, o aborto compromete a mulher no mais profundo de seu ser, a interrupção voluntária de gravidez (IVG) comporta inevitavelmente uma dimensão moral da maior gravidade, que nos cabe examinar aqui. Chamamos de IVG a expulsão provocada de um ovo fecundado, de um embrião ou de um feto não viável (segundo conceito recebido, a viabilidade pressupõe-se a partir dos cento e oitenta dias)...
İNSAN HAKLARI VE HUKUK BAĞLAMINDA ADALET SİSTEMİNİN SOSYAL BOYUTU: ADLİ SOSYAL HİZMET
Authors: ÇALIŞ Nurullah
Published: February 2022

Hümanizm temelli söylemlerle gelişen insan hakları ve sosyal adalete dayalı sosyal refah yaklaşımları sosyal hizmetin de dahil olduğu insani hizmet mesleklerinin ortaya çıkmasında önemli paya sahip olmuştur. Toplumda dezavantajlı durumda bulunan birey, aile, grup veya toplulukların haklarını kullanabilecekleri ve ihtiyaçlarını karşılayabilecekleri bir yaşam seviyesine ulaşmalarına katkı sağlayacak her türlü uygulama sosyal hizmetin ilgi alanına girmektedir. İnsan hakları bağlamında gerçekleşen sosyal hizmet uygulamaları sosyal refah politikalarının savunuculuğunu üstlenirken aynı zamanda bireysel ve toplumsal gereksinimler arasında karşılıklı bir denge oluşturabilmeyi amaçlar. Toplumsal düzeni sağlamaya yönelik bir sosyal kurum olarak hukuk sistemi toplumdaki adaletin sağlanmasına katkı sunarak sosyal hizmet uygulamalarına yasal zemin hazırlar. Gerçekleştirecekleri uygulamalar konusunda yetkilerini mevcut hukuki dayanaklardan alan sosyal hizmet uzmanları hukuk yoluyla toplumsal düzenleme işlevi gören adalet sistemi içerisinde de yer almaktadır. Adli sosyal hizmet alanı bu bağlamda adalet sistemi içerisinde insan odaklı ve hak temelli yaklaşımla çeşitli müracaatçı gruplarına hizmetler sunmaktadır. Adli sosyal hizmet alanında çalışan sosyal hizmet uzmanları, adalet sisteminde çeşitli uygulama bileşenleri doğrultusunda çoğunlukla yasal haklarına ve kaynaklara erişim sorunu yaşayan müracaatçılara yardımcı olmaktadır. Ele alınan çerçevede bu çalışma, hukuk ve sosyal hizmet disiplinlerinin kesişme noktasında bulunan adli sosyal hizmet alanını ve uygulama bileşenlerini insan hakları, sosyal adalet ve sosyal politika bağlamında tartışmayı amaçlamaktadır.
KONTEYNER LİMANLARINDA KULLANILAN DİJİTAL TEKNOLOJİ UYGULAMALARININ DEĞERLENDİRİLMESİ
Authors: EYİT Bahadır , YORULMAZ Murat , TAŞ Ayşe
Published: February 2022

Dijitalleşme, işletmelerin operasyon ve karar mekanizmasının doğru ve hızlı olarak uygulaması açısından oldukça önemlidir. Denizcilik sektöründeki büyüyen ticaret ve pazar hacmine cevap verebilmek için limanlar, operasyonların daha hızlı ve daha az hata ile gerçekleştirilmesi adına dijitalleşmenin getirdiği yeni teknolojileri kullanmaktadırlar. Bu kapsamda çalışmanın amacı, bölgelerine göre Türkiye’de faaliyet gösteren ve TÜRKLİM üyesi konteyner terminali bulunan liman işletmelerinin yatırım yaptıkları dijital teknoloji uygulamalarını incelemektir. Bu çalışmada, nitel araştırma yöntemlerinden durum çalışması, veri analiz tekniği olarak da doküman analizi tekniği kullanılmıştır. Bu bağlamda, konteyner terminali bulunan 25 limanının internet siteleri incelenmiş, teknoloji adına internet sitelerinde yayınladıkları dijital teknoloji uygulamaları değerlendirilmiştir. Araştırmanın sonucunda, Türkiye’deki coğrafi bölgelere göre farklılıklar ve liman işletmelerinin yenilikçi adımlarının başlangıç adımları olduğu tespit edilmiştir. Çalışmada liman işletmelerinin karar mercilerinin daha rekabetçi ve daha yenilikçi adımlar atması ve teknolojinin operasyonel süreçlere kattığı kritik yeniliklerin uygulanması gerektiğinin önemi vurgulanmıştır. Liman işletmelerinin geleceği yakalaması için dijital teknoloji uzmanlarından yardım alınması ve yenilikçi iş davranışı sergileyen kişilerin istihdam edilmesi önerilmiştir.
Teknologi Pengolahan Fruit Leather Pada Siswa SMK NU Al Hidayah Ngimbang Lamongan
Authors: Rahayuningsih Tri , Rejeki Fungki Sri , Revitriani Marina
Published: February 2022

Indonesia adalah negara agraris sekaligus penghasil buah-buahan yang sangat banyak dalam ukuran, jenis maupun jumlah. Potensi ini harus dikembangkan, mengingat buah sebagai hasil pertanian memiliki sifat mudah rusak karena  masa simpan yang pendek. Upaya pengolahan aneka ragam produk berbahan baku buah-buahan perlu terus ditingkatkan sebagai langkah untuk memperpanjang masa simpan buah tersebut. Selain itu konsumsi buah sangat bagus untuk kesehatan sehingga  olahan produk berbahan baku buahpun merupakan peluang pasar yang bagus untuk dikembangkan. Beberapa contoh produk olahan buah yang sering ditemui di Indonesia adalah manisan buah, keripik buah, selai buah dan buah dalam kaleng.  Fruit leather adalah jenis olahan produk buah yang sudah terkenal di negara Eropa, Amerika, Jepang tapi belum  banyak dikembangkan di Indonesia. Selain itu fruit leather bisa diolah dengan memanfaatkan buah naga dan buah apel dengan cara yang mudah. Tujuan kegiatan pengabdian kepada masyarakat adalah untuk memberikan pengetahuan dan  transfer teknologi terkait pengolahan buah  menjadi fruitleather sebagai alternative diversikasi olahan produk berbahan baku buah-buahan sehingga bisa dipasarkan dengan cakupan lebih luas. SMK NU Al Hidayah Ngimbang Lamongan  adalah SMK swasta yang terletak di daerah Ngimbang Lamongan.  Salah satu jurusan yang dimiliki adalah jurusan Pengolahan Hasil Pertanian. Sebagian besar siswa SMK NU Al Hidayah Ngimbang belum mengenal produk Fruit Leather sehingga  mereka sangat tertarik   untuk mengikuti kegiatan pengabdian kepada masyarakat tentang pengolahan fruit leather.
Sosialisasi Penerapan Protokol Kesehatan Pada Masa Pandemi Covid-19 di Maguwoharjo dan Sosialisasi Dampak Penggunaan Kantong Plastik Sekali Pakai di Desa Sumberejo, Sleman, Jawa Tengah
Authors: Ayu Stephanie Astrid
Published: February 2022

Maguwoharjo village and Sumberejo village are residential areas in Central Java province that fall into the densely populated category. The condition of most of the population in the area is quite fulfilled in terms of economy. Current pandemic conditions affect the daily habits and routines of citizens at the location of community service.  The majority of Maguwoharjo villagers have not realized the maximum importance of maintaining and implementing health protocols (including 3M, using masks, washing hands with soap, and maintaining distance) as one of the efforts of residents to help government programs in suppressing the rate of spread of the Covid-19 virus. While the condition of the majority of sumberejo villagers, is a community group that has not fully understood the negative impact of the accumulation of single-use plastic waste that is often used by housewives and other residents in everyday life. Based on the problems outlined above, this community service work program focuses on the implementation of education for maguwoharjo villagers about the importance of implementing health protocols in everyday life and providing education to the community in Sumberejo Village about the negative impact of single-use plastic bag use that causes more and more plastic waste.
PELATIHAN PENGELASAN 1G, GUNA MENINGKATKAN PENDAPATAN DAN KEMAMPUAN ANDIKPAS PASCA BEBAS DARI LEMBAGA PEMASYARAKATAN KHUSUS ANAK TOMOHON
Authors: Pomalingo Moh Fikri
Published: February 2022

In juvenile criminal justice in Indonesia, the government made a special institution for taking with dealing with this matter. These institutions are known as LPKA and LPAS. The results of the team discussion with the head of LPKA Tomohon, information was obtained that, there was still a lack of guidance related to improving children's abilities. One of these improvements is related to welding training. Beside, the LPKA has provided room facility and plans to build a welding workshop, but the cost is constrained, so it has not been realized. The Unima service team through the Community Partnership Program has realized the welding training. The methods applied include making welding workshops, giving theories related to welding, using machines, measuring, cutting materials, and painting, as well as giving practice and making assignments. Theoretical activities were carried out for 6 days and practical activities for 21 days. The types of welding being trained are 1G and 2G. The results obtained, all the participants, totaling 20 people, were able to carry out the training well. This is indicated by the presentation results which are above 90%. This training, too, provides good product results. This activity was carried out during the COVID-19 pandemic, but all participants and teams carried out activities by adhering to strict health protocols.
PELATIHAN STRATEGI PEMASARAN PRODUK VCO DAN TURUNANNYA DI IKM RUMAH IKHTIAR
Authors: Azis Rosdiani
Published: February 2022

IKM Rumah Ikhtiar is an IKM that is engaged in coconut processing, especially the processing of VCO and its derivative products. The huge marketing potential of VCO, the demand for charcoal, and the use of ethanol as an ingredient for making hand sanitizers during the pandemic show that this IKM-processed product is quite important. However, currently production is carried out based on customer orders only. This causes the income every month to be erratic and even non-existent. Therefore, the service team agreed to make improvements in the marketing field. Marketing is done by utilizing social media (Facebook) and online stores such as Shopee. Marketing by utilizing digital technology requires training from competent experts, so the service team conducts marketing management training in the form of rapid technology guidance (Bimtek) for 1 day. The activity was attended by 7 members of IKM, a team of service people and resource persons who are experts in the field of marketing. The results achieved from this training include: a sales account on Facebook and a shopee account under the name IKM Rumah Ikhtiar, IKM members are proficient in marketing on Facebook and Shopee and sales for 1 week after marketing using Facebook and Shopee has increased compared to before. Previously, VCO sales were only 2 liters per week, after using a marketing strategy with Facebook and Shopee, sales increased to 6-10 liters per week.
ANALISA UKURAN DAN LAJU ALIR BATUBARA PADA BOILER PULVERIZER PLTU 660 MW
Authors: Sitanggang Ruly
Published: February 2022

Pulverizer adalah salah satu peralatan penting di pembangkit listrik tenaga uap. Partikel batubara yang masih terbakar di area backpass boiler akan mengakibatkan penurunan efisiensi sehingga laju aliran campuran udara dan batubara di saluran pipa bahan bakar perlu diseimbangkan. Penelitian ini dilakukan pada PLTU Batubara tipe pulverized coal dengan kapasitas 660 Mega Watt yang menggunakan enam pulverizer. Aliran keseimbangan bahan bakar diperiksa menggunakan uji dirty air dan pengambilan sampel ukuran batubara dilakukan dengan metode isokinetik. Dalam pengujian dirty air tiga pulverizer masih mengalami turbulensi, menyebabkan pengukuran kecepatan udara menjadi kurang akurat dan hasil pengujian dirty air pada tiga pulverizer lainnya menunjukkan hasil baik dengan kecepatan antar pipa batubara seragam. Lokasi tap test pada pulverizer D, C, dan A disarankan dipindahkan ke jarak sekitar lima kali diameter pipa dari hambatan. Temperatur keluaran seluruh pulverizer pada masih lebih rendah dari nilai standard. Karena tidak ada orifice di dalam pipa batubara, menaikkan suhu keluaran pulverizer ke 65 oC dapat dilakukan untuk meningkatkan keseimbangan kecepatan batubara. Secara keseluruhan, pengujian kehalusan sampel batubara menunjukkan hasil sesuai rekomendasi, dengan nilai kehalusan rata-rata lolos saringan 200 mesh pulverizer A, B, C, D, E, dan F masing-masing adalah 82,12, 83,24, 73,96, 79,13, 68,14, dan 78,43% berat.
الباكستان : من أخطر بؤر التطرف الارهابية ( دراسة في النشأة والمحددات والعوامل)
Authors: Ahmed Prof. Dr.Hameed Shihab , Mohmed Asst.techer.Zydoon Salman
Published: February 2022

تاريخ الاستلام:27/10/2021  تاريخ قبول النشر:15/12/2021  تاريخ النشر:31/12/2021
  This work is licensed under a Creative Commons Attribution 4.0 International License.
شكلت ظاهرة التطرف المتشدد (الارهاب) من ابرز القضايا التي أخذت حيزا كبير في القرن الحادي والعشرين، التي اختلطت فيه الدوافع المعرفية بالدوافع الاستراتيجية والايدولوجية، لتفضي الى ظهور حركات متطرفة ارهابية في الدول، وتعد الباكستان من بين الدول التي ظهرت فيها تلك الجماعات، لتصبح من أخطر مناطق الصراع في العالم، لاسيما وان تلك الجماعات المتطرفة الارهابية اصبحت تتزايد بشكل كبير في داخل، حتى أصبحت من أخطر البؤر الساخنة للتطرف (الارهاب)، ولم يقتصر ذلك على الحركات التي نشأت بالداخل، بل اصبحت كذلك بيئة جاذبة لحركات اخرى تنشط في اقاليم مختلفة من الباكستان.
Teaching and use of silver diamine fluoride in Pediatric Dentistry
Authors: Fröhlich Tatiana Tambara , Leite Taiane Costa , Rocha Rachel de Oliveira
Published: February 2022

This study investigated the teaching and use of silver diamine fluoride (SDF) in Pediatric Dentistry in undergraduate Brazilian dental schools through a questionnaire-based cross-sectional analysis. Two-hundred and thirty-five questionnaires were e-mailed to directors of Pediatric Dentistry of undergraduate Brazilian dental schools. The details of the teaching and use of SDF in clinical practice were asked. Obtained data were analyzed descriptively and using the chi-square test. A total of 149 complete questionnaires were returned (63.4%). Most of schools taught SDF in lectures (73.8%, p <0.001). The majority use SDF in clinical practice (64.4%, p <0.001), but its use is not frequent (11.4%, p<0.001). All dental schools reported that SDF is applied in primary teeth, and few reported its use for permanent teeth (36.4%, p = 0.01). SDF has been used mainly for cavitated caries in primary teeth of children aged 0 to 3 years (93.7%, p<0.001), with restricted use in posterior teeth (42.7%, p <0.001). Although SDF is teaching and used in clinical practice in Pediatric Dentistry in most Brazilian undergraduate schools, its use is not frequent. Furthermore, SDF is not considered an option for caries lesions in some dental schools
Analisis Minat Belajar Siswa SMP Dengan Menggunakan VBA Excel Pada Materi KPK dan FPB
Authors: Jumiati Yeti , Manalu Arpin Chronika Saida , Chotimah Siti
Published: February 2022

This study was conducted to analyze the learning interest of class VII Junior High School students in mathematics learning KPK and FPB byusing indicators of learning interest namely feeling happy, student interest, study involvement, diligent in learning and doing mathematical assignmens, diligent and learning discipline in learning. Research methods for analysis using descriptive qualitative methods, with the instrument used ini the form of quaestionnaires containing positive and negative statements to analyze student’s interest inlearning mathematics. Sampel subjects in the study were seventh grade SMP IT Daarul Fikri Bandung totaling 22 people. The result obtained from the study that the interest in learning mathematics assisted by VBA Excl on the material of KPK and FPB is good.
Estimating a social cost of carbon for global energy consumption
Authors: Rode Ashwin
Published: February 2022

Estimates of global economic damage caused by carbon dioxide (CO2) emissions can inform climate policy. The social cost of carbon (SCC) quantifies these damages by characterizing how additional CO2 emissions today impact future economic outcomes through altering the climate. Previous estimates suggest that large, warming-driven increases in energy expenditures could dominate the SCC, but they rely on models that are spatially coarse and not tightly linked to data. Here we show that the release of 1t CO2 today is projected to reduce total future energy expenditures, with most estimates valued between -$3 and -$1, depending on discount rates. Our results are based on a new architecture that integrates global data, econometrics, and climate science to estimate local dam- ages worldwide. Notably, we project that emerging economies in the tropics will dramatically increase electricity consumption due to warming, requiring critical infrastructure planning. However, heating reductions in colder countries offset this increase globally. We estimate that 2099 global electricity consumption rises ∼ 4.5 EJ/yr (7% current global consumption) while direct consumption of other fuels declines ∼ 11.3 EJ/yr (7% current consumption) per +1◦C increase in global mean temperature. Our finding of net savings contradicts previous research, because global data indicate that many populations will remain too poor for most of the 21st century to substantially increase energy consumption in response to warming. Importantly, damage estimates would differ if poorer populations were given greater weight.
Strong methane point sources contribute a disproportionate fraction of total emissions across multiple basins in the U.S.
Authors: Cusworth Daniel , Thorpe Andrew , Ayasse Alana , Stepp David , Heckler Joseph , Asner Gregory , Miller Charles , Chapman John , Eastwood Michael , Green Robert , Hmiel Ben , Lyon David , Duren Riley
Published: February 2022

Understanding, prioritizing, and mitigating methane (CH4) emissions requires quantifying methane budgets from facility scales to regional scales with the ability to differentiate between source sectors. We deployed a tiered observing system for multiple basins in the United States (San Joaquin Valley, Uintah, Denver-Julesberg, Permian, Marcellus). We quantify strong point source emissions (>10 kg CH4 h-1) using airborne high spatial resolution imaging spectrometers, then attribute them to sectors, and assess their intermittency with multiple revisits. We contextualize these point source emissions by comparing to total basin CH4 fluxes derived from inversion of Sentinel-5p satellite observations. We find that across basins point source make up on average 40% of the regional flux. We sampled some basins several times across multiple months and years and find a distinct bimodal structure to emission lifetimes: the total point source budget is split nearly in half by short- and long-lived emission events. With the increasing airborne and satellite observing capability planned for the near future, tiered observing systems can more fully account and attribute emission sources, which is needed to effectively and efficiently reduce methane emissions.
The western Andes at ~20–22°S: A contribution to the quantification of crustal shortening and kinematics of deformation
Authors: Habel Tania , Simoes Martine , Lacassin Robin , Carrizo Daniel , Aguilar Germán
Published: February 2022

The Andes are an emblematic active Cordilleran orogen. It is admitted that mountain-building in the Central Andes at ~20°S started by Late Cretaceous to Early Cenozoic along the subduction margin, and propagated eastward. In general, the structures sustaining the uplift of the West Andean flank are dismissed, and their contribution to mountain-building remains poorly solved. Here, we focus on two sites along the western Andes at 20–22°S, where structures are well exposed. We combine mapping from high-resolution satellite images with field observations and numerical trishear forward modeling to provide quantitative constraints on the kinematic evolution of the western Andes. Our results confirm the existence of two main structures: (1) the Andean Basement Thrust, a west-vergent thrust system placing Andean Paleozoic basement over Mesozoic strata; and (2) a series of west-vergent folds pertaining to the West Andean Fold-and-Thrust-Belt, deforming primarily Mesozoic units. Once restored, we estimate that both structures accommodate together at least ~6–9 km of shortening across the sole ~7–17 km-wide outcropping fold-and-thrust-belt. This multi-kilometric shortening represents only a fraction of the total shortening accommodated along the whole western Andes. The timing of the main deformation recorded in the fold-and-thrust-belt can be bracketed sometime between ~68 and ~29 Ma – and possibly between ~68 and ~44 Ma – from dated folded geological layers, with a subsequent significant slowing-down of shortening rates. Even though negligible when compared to total shortening across the whole orogen, the contribution of the structures of the West Andes has been likely significant at the earliest stages of Andean mountain-building before deformation was transferred eastward.
Analysis of gender roles in tomato production in Municipal Area Council, Abuja, Nigeria
Authors:   Department of Agricultural Economics and Extension, Faculty of Agriculture, Kogi State University, P.M.B.1008, Anyigba, Kogi State, Nigeria., Ajibade Y. E. , Oyibo F. O. ,   Department of Agricultural Economics and Extension, Faculty of Agriculture, Kogi State University, P.M.B.1008, Anyigba, Kogi State, Nigeria., Ameh O. E. ,   Department of Agricultural Economics and Extension, Faculty of Agriculture, Kogi State University, P.M.B.1008, Anyigba, Kogi State, Nigeria., Enimola M. O. ,   Department of Agricultural Economics and Extension, Faculty of Agriculture, Kogi State University, P.M.B.1008, Anyigba, Kogi State, Nigeria.
Published: February 2022

This study analyzed gender roles in tomato production in Municipal Area Council, Abuja, Nigeria. The study described socio-economic characteristics of the tomato farmers, examined the activities carried out in tomato production, estimated costs and returns of tomato production, and identified constraints faced by tomato farmers in the study area. A multi-stage random sampling technique was adopted and a well structured questionnaire with scheduled interview were used to elicit information from one hundred and twenty respondents. Descriptive statistics, gross margin analysis and z-test were the analytical tools employed in this study. Results of the socio-economic characteristics of tomato farmers revealed that majority (69.2%) of the respondents were male with a mean age of 45 years old. Results showed that male tomato farmers carried out land clearing (51.8%) by personal labour while their female counterpart carried out land clearing (48.6%) by family labour. Result of the profitability analysis showed that the gross margin of N67,083.64 and N34,325.38 were realized for both male and female tomato farmers, respectively per cropping season. Tomato production in the study area was highly profitable for both male and female tomato farmers. The return on naira invested was N1.99k and N1.67k for male and female tomato farmers respectively. Results showed that inadequate capital, lack of improved planting seeds, lack of contact with extension services among others were major constraints that affect tomato production in the study area. Therefore, female tomato farmers should be encouraged to cultivate improved crop varieties with strong seed coat and longer shelf life. The female tomato farmers could pool their resources together to purchase motorcycles or vehicles for easy movement of their produce from farm gates to market places in order to reduce high perishability of tomato fruits. Also, female tomato farmers should endeavor to use farm machinery and herbicides to solve the problems of inadequate labour supply and use of simple farm tools respectively, which do not encourage large scale production. The male tomato farmers should control pests and diseases infestation, package their tomato fruits to make them more attractive to consumers in order to earn higher market price.
Effect of replacing wheat-bran with cheka-residue as energy supplement on weight gain, nutrient digestibility and economic efficiency of Woyto-guji goats in Konso, Southern Ethiopia
Authors:   Southern Agricultural Research institute (SARI), P.O. Box. 2228, Arbaminch, Ethiopia., Heliso Milkias Fanta , Hibebo Derrebe Kassa ,   Southern Agricultural Research institute (SARI), P.O. Box. 2228, Arbaminch, Ethiopia., Kalsa Getnet Kebede ,   Southern Agricultural Research institute (SARI), P.O. Box. 2228, Arbaminch, Ethiopia.
Published: February 2022

The experiment was conducted on former Konso Woreda, now Konso Zone, Baide station. The aim of the study was to determine cheka-residue as an economic source of energy feed to replace wheat bran through evaluating its effect on weight gain and nutrient digestibility. Twenty intact yearling woyto-guji bucks selected from Baide CBBP association were divided in to five treatment groups each having four animal units. They were assigned to five experimental feeds [(Group-1/T1= Grazing + 1.8 L cheka-residue; Group-2/T2= Grazing + 0.6 L cheka-residue + 132 g wheat bran; Group-3/T3= Grazing + 1.2 L cheka-residue + 68 g wheat bran; Group-4/T4= Grazing + 200 g wheat bran; Group-5/T5= Grazing only) in a completely block design. Equal amount of noug-seed-cake (100 g/anl/day) was given to all treatment groups. The study comprised 90 days of feeding + 7 days digestibility trial. Supplementation after grazing tend to have increased (p<0.05) live weight and nutrient digestibility of experimental goats in current study. The average daily gain of goats maintained with T1 and T4 were significantly higher (p<0.05) than those of other treatments. Animals that received T1 and T4 had higher (p<0.05) total dry matter (DM), organic matter (OM), crude protein (CP) and crude fiber digestibility than in the remaining dietary treatments with T4 recording the highest value of 80.6% which was 12.81% higher than control. However, the two treatments (T1 and T4) were not different both in weight gain and nutrient digestibility reflecting that one can be used on place of the other. Besides, goats attained slaughter weight in a range of 29.9 to 31.8 kg as compared to 26.8 kg weight recorded for goats managed as control. Cheka-residue supplementation in current experiment provides more profit than others. Hence, it can be concluded that this by-product is a potential feed to replace wheat bran as it is very acceptable.
Impressive and accurate solutions to the generalized Fokas-Lenells model
Authors: Bekir Ahmet , Zahran E. H. M. , A. Gholami Davodi A.
Published: February 2022

In this article, we utilize the generalized full nonlinearity perturbed complex Fokas-Lenells model (GFLM) which is a general dynamics representation of modern electronic communications "Internet blogs, Facebook communication and Twitter comments". The modified simple equation method (MSEM) has been applied effectively to generate closed form solution. On the other hand, the Riccati-Bernoulli Sub-ODE method (RPSOM) which reduces the steps of calculation has been applied perfectly to achieve accurate solution to this equation. We established the solutions achieved by these distinct manners in same vein and parallel.
Fractional viscoelastic models with novel variable and constant order fractional derivative operators
Authors: Kachia Krunal , Gomez Francisco
Published: February 2022

This paper deals with the application of a novel variable-order and constant-order fractional derivative without singular kernel of Atangana-Koca type to describe the fractional viscoelastic models, namely, fractional Maxwell model, fractional Kelvin-Voigt model, fractional Zener model and fractional Poynting-Thomson model. For each fractional viscoelastic model, the stress relaxation modulus and creep compliance are derived analytically under the variable-order and constant-order fractional derivative without singular kernel. Our results show that the relaxation modulus and creep compliance exhibit viscoelastic behaviors producing temporal fractality at different scales. For each viscoelastic model, the stress relaxation modulus and creep compliance are derived analytically under novel variable-order and constant-order fractional derivative with no singular kernel.
Field propagation study in ultra-small core photonic crystal fiber beyond the fundamental mode cut-off
Authors: Guryev Igor , Shulika O. , Andrade Lucio J. A. , Mata Chavez R. I.
Published: February 2022

We present the study of the behavior of the electromagnetic field propagating in the ultra-small core photonic crystal fiber (PCF) beyond its fundamental mode cut-off. We first use plane waves expansion (PWE) method to find necessary parameters and then involve finite-difference time-domain (FDTD) method accelerated with graphic processing unit (GPU) for long-range light propagation simulation. The confinement losses beyond $\lambda = 1200 nm$ achieves tens of dB/cm which can be lowered significantly by increasing the number of cladding rings.
Increasing the degree of hydrocarbon recovery factor from the water-flooded Hadiach oil and gas condensate field by injection of carbon dioxide
Authors: Matkivskyi S. V. , Kondrat O. R. , Burachok O. V. , Haidarova L. I.
Published: February 2022

To investigate the effectiveness of technologies for the secondary production of hydrocarbons by injecting non-hydrocarbon gases into productive reservoirs, a study has been carried out using the Schlumberger’s prime hydrodynamic simulation tools –Eclipse and Petrel. On the basis of a live geological and technological model of the Hadiach oil and gas condensate field, an investigation has been made of the process of injecting carbon dioxide into the reservoir of the V-16 horizon in order to slow down the flow of formation water into gas-saturated intervals and displace residual natural gas reserves. Based on the results of modeling the development of the V-16 horizon of the Hadiach oil and gas condensate field, a high technological efficiency of carbon dioxide injection at the gas-water contact boundary has been established. When injecting carbon dioxide, the formation pressure in the reservoir is maintained at a higher level compared to depletion development, which leads to an increase in condensate production. The high solubility of carbon dioxide in formation fluids increases the mobility of condensate that has already fallen out in the formation, and at the same time reduces the mobility of formation water. Due to the high displacing properties of carbon dioxide, a high efficiency of its use as an injection agent is manifested in order to control the flow of formation water into productive reservoirs and increase the final hydrocarbon recovery factor. The expected gas recovery factor at the time of the breakthrough of carbon dioxide into the last of the producing wells increases by 3,22 % in terms of residual gas reserves, while the condensate recovery factor increases by 1,29 %. The practical implementation of systems for optimizing the development of hydrocarbon fields under such conditions will increase their production capabilities and, accordingly, increase the final coefficients of hydrocarbon recovery factor.
Applying spectral decomposition for identifying lithological objects within Northern edge of Dnieper-Donets Depression
Authors: Mykhalevych І. L.
Published: February 2022

The article dwells upon the effective method of seismic data analysis called spectral decomposition. This method has been used worldwide for identifying additional geological features, as a tool for seismic geomorphology in the conditions of complicated geological structures during identification of paleochannels, lenses, and thin formations. It should be noted that spectral decomposition is not a direct tool for identifying the hydrocarbon saturation. It allows to represent the seismic data in the RGB format (red, green, blue) by way of decomposing seismic data into frequency elements. Authors demonstrate results of applying the seismic data spectral decomposition method within the terrigenous deposits on the example of gas fields in the Carbon age within the northern edge of Dnieper-Donets Depression.  Based on the results of the available seismic material analysis, it has been shown that within thick and porous sand bodies, spectral decomposition demonstrates reasonable results, and the most informative frequencies are 25, 28, 31, 37, 39, 47, 56 Hz. By confirming the really existing deposits in the Moskovian and Bashkirian ages, spectral decomposition gives grounds for considering this method an effective tool to be used within the northern edge of the DDD, because the latter usually clearly responds to lithology, and sometimes even to saturation. The 8 most representative horizons have been analyzed: М-2а, М-3а, М-4, М-6, М-7, B-6 (at different stratigraphic levels), B-7 and S-6. The most definite results have been received within the following horizons: M-2a (the deposit has been confirmed by drilling), M-3a (the deposit and paleochannel have been confirmed by drilling), M-4 (paleochannel). Having regarded the spectral decomposition in complex with the results of other geophysical methods, some perspective objects have been identified. The bodies have been confirmed by the results of AVO and Vp/Vs analyses. Both objects served the targets for two prospecting wells located in the most optimal conditions. It has been brightly illustrated that the spectral decompositions as a tool for geological prospecting  should be specifically used when some individual lenses and channel bodies are being prospected, with structural factor being present.
Social Attitudinal Differences towards English vs. Punjabi Language: A Study of Middle Class Parents in Faisalabad
Authors: Javed Mariya , Ali Rana Imran , Aslam Zakia
Published: February 2022

This paper seeks to investigate the attitudes of globalized middle class parents towards English vs. Punjabi language in Faisalabad. Language is considered as a strong tool and identity marker both at an individual and societal level. Linguistically, Pakistan is a heterogeneous country where bilingualism is a very common phenomenon. However,these languages do not share equal position, prestige, and function. So, the present study aims to identify how parents’ attitudes vary from language to language and what are the reasons of this attitudinal shift. The research population for this study includes 20 different families from different locales of Faisalabad, and for data collection, close-ended questionnaire was used. The data was analyzed descriptively using SPSS, and the results were presented in visual and numerical form. The study is important as it highlights the ideological, social, and educational position of Punjabi and the English language in Faisalabad
A review on the health benefits of Monechma ciliatum (Black mahlab): A potential functional food
Authors: Mariod Abdalbasit Adam , Mustafa Eshraga Mustafa A. , Yahia Marwa Bushra
Published: February 2022

Background: Monechma ciliatum (MC) (Acanthaceae family) is a herb that grows in tropical and subtropical regions. It grows with small, brownish-black seeds. This is why the Sudanese people call it the “black mahlab”. This plant is primarily used in traditional meals, as well as the production of medical treatments and perfumes. Additionally, the seeds of the Monechma ciliatum plant are rich in fats, proteins, minerals, and other essential nutrients. It also functions as an effective laxative. As a result, this plant is commonly found as a supplement in cereal to enrich nutritional value. This review explores the nutritive value, antioxidants, antimicrobial, medicinal, cosmeceutical, and oxytocic properties of Monechma ciliatum seeds, leaves, and stem. To prepare this review, we researched published scientific literature by using the following keywords: “Monechma”, “Antioxidants”, “Antimicrobial”, nutritional”, “Monechma ciliatum”, “Monechma phenolics”. Our search was carried out in PubMed and Google Scholar databases and included original research from the past 25 years in English only. A total number of 50 original papers, which mentioned the phytochemistry, nutritional, biological, and medicinal properties of Monechma ciliatum were selected and considered for this review. Keywords: Monechma ciliatum, black mahlab, nutritional, antioxidants, Antimicrobial, oxytocic
Diversification Benefits of European REIT, Equities and Bonds
Authors: Famara Badji Cherif , Benetti Cristiane , Guimaraes Renato
Published: February 2022

This study aims to demonstrate the benefits related to the inclusion of European REIT in a portfolio of stocks and bonds traded on European markets. Major studies of the portfolio’s diversification those considered REIT was carried out on the American real estate market. Therefore, this research project aims to extend the work to the European scale by forming a mixed pan‐European REIT portfolio. The database is composed of monthly dividend‐adjusted closing prices, over the past 11 years, from different stock indexes collected during eleven years of different European market indexes. Four hypothetic portfolios were constructed to test our hypothesis. Descriptive statistics and correlations were presented. Therefore, the results have shown that European REIT has reduced the risk of a mixed portfolio even if the risk reduction is very limited. The same is true for the portfolio’s return, which was slightly improved. The study showed that European REIT remains a factor of diversification that should not be overlooked in building an asset portfolio. These findings contribute to the existing portfolio theory arguing that using REITs in portfolio diversification helps investors dilute their risk and improve their returns. Our results also have practical implications. They can be useful to investors and financial analysts in their investment decisions by shedding light on this type of asset.