bluuebunny/crossref_metadata_2025 huggingface dataset:
Teknologi Tepat Guna Pembuatan Sabun Cuci Piring untuk Skala Home Industri
Authors: Hendriyana
Published: February 2022

Kebersihan merupakan salah satu faktor penting bagi kesehatan masyarakat. Untuk menjaga kebersihan badan, pakaian, tempat tinggal serta tempat umum dibutuhkan produk pembersih yang dapat diandalkan. Ibu rumah tangga, rumah sakit, sarana umum lain hingga hotel berbintang lima pasti menjadikan produk yang satu ini sebagai bagian kehidupan sehari-hari untuk mencuci pakaian maupun peralatan rumah tangga.

Untuk pemenuhan kebutuhan masyarakat tersebut di atas, maka perlu rasanya bagi saya untuk melakukan penelitian formulasi salah satu sabun cuci piring cair, sehingga diharapkan minimalnya pembaca dapat memenuhi kebutuhan pembersihnya dengan cara membuat sendiri dan lebih jauhnya dapat berbisnis sabun cuci piring cair tersebut dengan skala home industri.

Dari penelitian ini didapatkan hasil produk yang belum memenuhi spesifikasi standar, namun paling tidak formula-IIl hampir mendekati spesifikasi standar. Untuk didapatkan formula yang memenuhi spesifikasi standar harus dilakukan peneletian lebih lanjut dengan mengatur komposisi campuran.
Sistem Keamanan pada Teknologi WiMAX
Authors: Suharlin
Published: February 2022

Worldwide Interoperability for Microwave Access (WIMAX / IEEE 802.16) adalah teknologi wireless, yang merupakan perkembangan dari teknologi Wireless Fidelity (WiFi) yang saat ini telah banyak digunakan masyarakat. Wireless fidelitv (WiFi) menggunakan sistem keamanan sebesar 64 bit dan maksimum 128 bit. Sedangkan sistem keamanan yang dipakai pada WiIMAX adalah Advanced Eneryption Standard (AES) yang dapat mengenkripsi data mulai 128 bit, 192 bitdan 256 bit.

Sistem keamanan yang digunakan dalam WiIMAX (IEEE 802.16) berupa duthentication, authorization dan encryption. Tingkat keamanan yang dihasilkan mencapai dua kali lipat dibandingkan dengan sistem keamanan yang dihasilkan dalam Wireless Fidelity (WiFi). Dengan demikian sistem keamanan pada WIMAX dapat diandalkan oleh para pengguna yang memerlukan tingkat keamanan tinggi dan handal dalam penggunaan internet.
CARCINOMA OF THE UPPER LIP- CASE REPORT AND REVIEW OF THE LITERATURE
Authors:   Luigi Clauser, MD,MFS1, Riccardo Luoni Orsi, DMD1, Andrea Edoardo Bianchi, MD,MFS1,2
Published: February 2022

Aim: Carcinoma of the upper lip is less frequent than in the lower lip. It affects both sexes in equal proportion. Histologically basal cell carcinomas are numerically preponderant and are observed in 50% of cases in the skin and adnexae in the oro-facial area. Methods: The authors describe a major defect of the right upper lip after a wide resection for carcinoma. Immediate reconstruction was performed with rotation of a flap from the lower lip according to Estlander. The postoperative oral deformity persisted after radiotherapy and during the subsequent follow up. At a later stage, and after radiotherapy, two lipostructure procedures improved the volumetric, soft tissue texture and functional outcomes. The combination of these techniques yielded a satisfactory morpho-functional result maintaining symmetry, function and aesthetics in the orofacial and in the labial-commissure area. Conclusion: A clinical case of right upper lip basocellular carcinoma is reported. Resection and immediate reconstruction with a flap rotation from the lower lip flap according to Estlander, were carried out. During the follow-up lipostructure procedures improved volumes, functions, morphology and soft tissue texture as well.
Educação Científica contra o Preconceito: da Natureza às Multinaturezas
Authors: Machado Vitor Fabrício , Coppe Cristiane
Published: February 2022

Este artigo traz um recorte da pesquisa de doutorado em Educação Científica, no qual se buscou construir um conjunto de práticas que subsidiem o combate ao preconceito racial em aulas de ciências. Tais pontos são resultado de um movimento de diálogo entre o levantamento de experiências de etnias, aldeias e escolas indígenas, movimentos de educação antirracista e pedagogias decoloniais, além de estudo bibliográfico acerca da temática. O artigo tem como principal discussão teórica a decolonialidade do currículo, alicerçando aspectos que vão desde a consciência da existência do preconceito nos indivíduos e na sociedade; passam pelo combate contra a discriminação; por uma auto-socio-crítica do mundo moderno atual; e chegam até as novas proposições, reinvenções e reativações de práticas e conhecimentos originários. Resultam deste processo 36 pontos a serem observados e discutidos por professores e professoras de Ciências Naturais a fim de combater e minimizar preconceitos em sala de aula. Sob estas perspectivas, atuar contra o preconceito e a discriminação em sala de aula tem como máxima “desaprender para aprender”, praticada em perspectivas individuais e sociais. O estudo também favoreceu a percepção indispensável de revisão sobre o papel e o significado da natureza, à luz de saberes e proposituras educacionais decoloniais.
Uzaktan Eğitim ile Örgün Eğitimin Karbon Ayak İzine Etkilerinin Karşılaştırılması
Authors: Güğül Gül Nihal , Kılınç Nihal
Published: February 2022

Günümüzde dünyanın karşı karşıya kaldığı en büyük tehdit sera gazı emisyonunun artması ile tetiklenen küresel ısınmadır. Sera gazının artması özellikle fosil yakıtlarının kullanılması ve artan enerji talebi ile oluşmuştur. Son yıllarda enerji talebi en hızlı şekilde artan sektörlerden birsi de bilişim sektörüdür. 2019 yılında başlayan pandemi döneminde bilişim sektörünün enerji talebi eğitimlerin, toplantıların ve çalışma-ların uzaktan yapılması ile daha da artmıştır. Bu çalışmada, üniversitelerde uygulanan uzaktan eğitim ile örgün eğitimin, karbon ayak izi açısından karşılaştırılması amaçlanmıştır. Bu kapsamda, Konya Selçuk Üniversitesi, Teknoloji Fakültesi’nde verilmekte olan Yeşil Bilişim isimli yüksek lisans dersinin öğrencile-rinden elde edinilen veriler doğrultusunda örgün ve uzaktan eğitim için karbon ayak izi değerlendirmesi yapılmıştır. Emisyon hesaplamalarında, Hükümetler Arası İklim Değişikliği Paneli (IPCC) tarafından öneri-len ve en temel yöntem olan Tier-1 yöntemi kullanılmıştır. Hesaplamalar sonucunda yüksek lisans öğren-cilerinin karbon ayak izi örgün eğitim ile 132,48 kg-CO2/dönem, uzaktan eğitim ile ise 50,72 kg-CO2/dönem olarak bulunmuştur. Uzaktan eğitim ile nihai CO2 emisyonunun %62 azaldığı görülmüştür. Örgün eğitimde ulaşımdan kaynaklanan CO2 emisyonu 116,76 kg-CO2/dönem ile en yüksek emisyon değerine sahip olan etken olmuştur. Sonuçlar değerlendirildiğinde uzaktan eğitim için emisyon değerinin, örgün eğitim için emisyon değerine oranla daha düşük olduğu görülmektedir. Ayrıca, uzaktan eğitimin eğitim kaynaklı karbon ayak izi değerinin düşmesine önemli katkı sağladığı ortaya çıkmıştır.
EXPLORING THE IMPACT OF LEARNERS’ DEMOGRAPHIC CHARACTERISTICS ON COURSE COMPLETION AND DROPOUT IN MASSIVE OPEN ONLINE COURSES
Authors: Sherimon Vinu , Leena Francis  , Sherimon P.C.  , Disha Devassy  , Walid Aboraya
Published: February 2022

MOOCs (Massive Open Online Courses) have the potential to change education by offering high-quality online courses in a variety of disciplines. However, just a few studies have investigated the impact of MOOC students' demographics on their completion rates. In this research, we investigate the impact of demographic features of learners in the completion and dropping rate of MOOCs. The data from a survey is used in this study to determine which learner demographic features may have an impact on MOOC completion and dropout. The data was analyzed using Chi-square test.The findings demonstrate that four factors, including gender, marital status, age, and educational level, have no impact on degree of MOOC completion. It was also discovered that marital status, age, and educational level, have no effect on MOOC dropout. However, we discovered a statistically significant link between gender and MOOC dropout (χ2 = 6.347, df = 1, p = 0.012). These results can be considered in future instructional initiatives.
ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI KEPUTUSAN PEMBELIAN DI KEDAI KOPI LOKAL KOTA MATARAM
Authors: Juniardi Hendra , Yakin Addinul , Tajidan Tajidan
Published: February 2022

The research aims to: (1) Analyze how much and how gender influences purchasing decisions at Coffeeshop in Mataram City; (2) Analyze how much and how ages influence on purchasing decisions at coffeeshops in Mataram City; (3) Analyzing how much and how the influence of education level on purchasing decisions at coffee shops in Mataram City; (4) Analyze how much influence the level of income on purchasing decisions at coffee shops in Mataram City; (5) Analyzing the extent and influence of store atmosphere on purchasing decisions at coffee shops in Mataram City; (6) Analyzing how much and how the influence of prices on purchasing decisions at coffee shops in Mataram City; (7) Analyzing the extent and influence of location on purchasing decisions at coffee shops in Mataram City; (8) Analyze how much influence and how the quality of the product on purchasing decisions at the coffee shops in MataramCity. The results showed that; (1) Gender (X1) does not significantly affect consumer purchasing decisions in coffee shops in the city of Mataram. (2) Ages (X2) has a positive effect on coffee purchasing decisions in coffee shops in the city of Mataram. (3) Education (X3) negatively influences coffee purchasing decisions in coffee shops in the city of Mataram. (4) Revenue (X4) has a positive effect on coffee purchasing decisions in coffee shops in the city of Mataram. (5) Store Atmosphere (X5) has a positive effect on coffee purchasing decisions in coffee shops in the city of Mataram. (6) Price (X6) has a positive effect on coffee purchasing decisions in coffee shops in the city of Mataram. (7) Location (X7) has a positive effect on coffee purchasing decisions in coffee shops in the city of Mataram. (8) Product Quality (X8) has a positive effect on coffee purchasing decisions in coffee shops in the city of Mataram.
ANALISIS DAYA SAING USAHATANI BAWANG MERAH DI KABUPATEN BIMA
Authors: Putri Nur Atina , Efendy Efendy , Tajidan Tajidan
Published: February 2022

Penelitian ini bertujuan untuk (1).Menganalisis tingkat profitibilitas finansial Usahatani Bawang Merah di Kabupaten, (2) Menganalisis Daya saing Bawang Merah di Kabupaten Bima.

            Metode yang digunakan adalah metode deskriptif, sedangkan pengumpulan data dilakukan dengan teknik survei. Unit analisis yang dianalisis dalam penelitian ini adalah Daya saing Bawang Merah di Kabupaten Bima. Penentuan daerah sampel dilakukan secara purposive sampling yang terdiri dari dkecamatan Woha, Kecamatan Sape dan Kecamatan Lambu. Sedangkan penentuan responden dilakukan secara Accidental Sampling yaitu sebanyak 50 responden. Jenis data yang digunakan adalah data primer dan data sekunder. Analisis data menggunakan Analisis pendapatan dan Analisis daya saing menggunakan table police analysis Matrix (PAM).

            Berdasarkan hasil penelitian dapat disimpulkan: (1) Usahatani Bawang Merah di Kabupaten Bima memiliki keuntungan Privat sebesar Rp 21.217.584,69 dan keuntungan sosial sebesar Rp 50.686.866,84 yang artinya usahatani bawang merah di daerah penelitian layak untuk dikembangkan karena memiliki keuntungan kompetitif dan keuntungan komparatif.;(2) Komoditas Bawang Merah di Kabupaten Bima memiliki daya saing karena memiliki keunggulan kompetitif maupun komparatif. Hal ini dapat dilihat dari nilai PCR 0,61 dan DRCR 0,46 dimana nilai masing-masing < 1 sehingga usahatani bawang merah ini layak untuk dikembangkan.; (3) Kebijakan pemerintah pada harga input-output terhadap usahatani Bawang Merah berdampak negatif bagi penerimaan petani pada harga privat output. Berdasarkan Nilai Transfer Bersih yang negatif dan nilai NPCO yang diperoleh sebesar 0,78 yang kurang dari < 1, namun kebijakan tersebut berdampak positif bagi petani pada harga privat input tradable berdasarkan  NPCI yang diperoleh sebesar 0,94 yang berarti < 1 memberikan arti bahwa terdapat subsidi pupuk dan obat-obatan yang membantu petani dalam mengurangi biaya input produksi.
ANALISIS BIAYA DAN PENDAPATAN USAHATANI BERBAGAI KOMODITI HORTIKULTURA DI KECAMATAN GERUNG KABUPATEN LOMBOK BARAT
Authors: Kadir Abdul , Anwar Anwar , Ridwan Ridwan
Published: February 2022

ABSTRAK

 

Penelitian ini bertujuan untuk mengetahui Biaya dan Pendapatan Usahatani berbagai komoditi hortikultura di Kecamatan Gerung Kabupaten Lombok Barat. Penelitian ini dilakukan dengan metode deskriftif, Penentuan desa sampel dilakukan secara Purposive sampling dan Penentuan jumlah petani responden dilakukan secara quota sampling sebanyak 75 orang . Metode analisis data yang digunakan dalam penelitian ini adalah dengan menggunakan Rumus analisis biaya dan pendapatan. Sementara untuk menghitung Kelayakan Usaha, rumus yang digunakan adalah Revenue Cost Ratio (R/C). Berdasarkan hasil penelitian diketahui usahatani berbagai komoditi hortikultura layak diusahakan, karena nilai R/Cdari semua komoditi yang diteliti lebih dari satu. Adapun permasalahan yang dihdapai oleh petani responden berbagai jenis sayuran di Kecamatan Gerung Kabupaten Lombok Barat diantaranya adalah hama/penyakit, pengairan, pupuk, obat-obatan, harga, dan iklim

 

 

ABSTRACT

 

Research aims to know the cost and income farming various horticultural commodities in District Gerung West Lombok Regency. This research is done by the method of Deskriftif, sample village determination is done in Purposive sampling and determination of the number of farmers conducted by quota sampling as much as 75 people. The data analysis method used in this study is to use the formula for cost and income analysis. While calculating the business feasibility, the formula used is the Revenue Cost Ratio (R/C). Based on the results of the research is known farming various horticultural commodities are worth the effort, because the value of R/Cfrom All commodities are examined more than one. The problems that were struck by farmers respondents various types of vegetables in the district Gerung West Lombok District among others are pests/diseases, irrigation, fertilizer, medicines, prices, and climate
APLIKASI BIOPESTISIDA Streptomyces sp. DALAM MENGENDALIKAN PENYAKIT PADA TANAMAN KENTANG (Solanum tuberosum L.) DI DATARAN MEDIUM
Authors: Handayani Ni Made Dini Widia , Muthahanas Irwan , Nikmatullah Aluh
Published: February 2022

Tujuan penelitian untuk mengetahui efektifitas biopestisida Streptomyces sp. dalam mengendalikan penyakit pada tanaman kentang di dataran medium. Penelitian dilaksanakan di Laboratorium Mikrobiologi Fakultas Pertanian Universitas Mataram dan di UPB BBI Desa Santong Kecamatan Kayangan Kabupaten Lombok Utara NTB, bulan Oktober 2016 sampai dengan Maret 2017. Metode penelitian yaitu eksperimental. Rancangan penelitian uji in-vitro menggunakan Rancangan Acak Lengkap dengan 5 perlakuan  pada 2 jenis patogen  (S. rolfsii dan Fusarium sp.) diulang 3 kali diperoleh 30 unit percobaan. Uji in-vivo menggunakan rancangan petak terbagi (Split Plot Design) dengan varietas kentang sebagai faktor utama Mikaraset (P1), Atlantic (P2), Bliss (P3) yang ditata dalam RAK diulang 3 kali dan uji lama perendaman umbi benih kentang dengan Streptomyces sp. (tanpa perendaman (S0), 30 menit (S1), 40 menit (S2), 50 menit (S3), dan 60 menit (S4) sebagai anak petak diperoleh 45 unit percobaan. Hasil menunjukan Streptomyces isolat BSi memberikan kemampuan terbaik dalam menghambat jamur patogen S. rolfsii dan  Fusarium sp. dalam uji in-vitro. Jamur patogen yang menyerang tanaman kentang yaitu P. infestans dan Fusarium sp. Perlakuan (S4) dan varietas (P3) paling efektif menunda masa inkubasi, menekan persentase dari serangan patogen P. infestans dan Fusarium sp.. Interaksi terbaik dalam menunda masa inkubasi penyakit terdapat pada perlakuan perendaman selama 60 menit (S4) dengan varietas Blis (P3). Perlakuan varietas benih kentang dengan perendaman biopestisida Streptomyces sp. selama 60 menit (S4) menghasilkan jumlah umbi per tanaman, jumlah umbi per petak, berat per umbi dan berat umbi per petak tertinggi. Varietas Blis (P3) menghasilkan jumlah umbi per tanaman, jumlah umbi per petak, dan berat umbi per petak tertinggi, dan varietas Mikraset menghasilkan berat satuan umbi tertinggi. Adapun interaksi terbaik antara varietas Atlantik (P2) dengan lama perendaman biopestisida Streptomyces sp. isolat BSi selama 60 menit (S4) dan varietas Blis (P3) dengan lama perendaman biopestisida Streptomyces sp. isolat BSi selama 60 menit (S4)  menghasilkan berat umbi per petak tertinggi.
ANALISIS NILAI TAMBAH DAN PEMASARAN KOPI ORGANIK: STUDI KASUS PADA KELOMPOK TANI MULE PAICE DI DESA BATU MEKAR KECAMATAN LINGSAR KABUPATEN LOMBOK BARAT
Authors: Hidayat Muhamad Rizky , Wathoni Nurtaji , Amiruddin Amiruddin
Published: February 2022

Penelitian ini bertujuan untuk: (1) Mengetahui besarnya nilai tambah dari biji kopi organik mentah menjadi produk olahan bubuk kopi kemasan sachet dan kemasan kotak yang dihasilkan oleh kelompok tani Mule Paice. (2) Mengetahui saluran pemasaran dari produk olahan bubuk kopi organik kemasan sachet dan kemasan kotak yang dihasilkan oleh kelompok tani Mule Paice. Metode penelitian yang digunakan adalah metode deskriptif. Unit analisis dalam penelitian ini adalah ketua kelompok tani kopi organik “Mule Paice” yang melakukan pengolahan kopi organik di Desa Batu Mekar Kecamatan Lingsar Kabupaten Lombok Barat. Jenis data yang digunakan dalam penelitian ini ada 2 macam yaitu: data kuantitatif dan data kualitatif. Data kuantitatif yaitu data yang berupa angka atau data yang dapat diukur seperti biaya produksi, pendapatan, harga jual, nilai tambah dan data lain yang berupa angka. Sedangkan data kualitatif adalah data yang berupa kata-kata/kalimat atau bukan berupa angka seperti jenis kelamin, tingkat pendidikan, dan data lainnya yang tidak berupa angka. Berdasarkan hasil penelitian di kelompok tani Mule Paice bahwa (1) Nilai tambah produk bubuk kopi kemasan kotak yaitu Rp 75.094 per kilogram bahan baku dengan ratio nilai tambah sebesar 53% dan Nilai tambah pada produk bubuk kopi kemasan sachet yaitu Rp 75.444 per kilogram bahan baku dengan ratio nilai tambah sebesar 45%. (2) Dalam saluran pemasaran produk bubuk kopi organik di Desa Batu Mekar Kecamatan Lingsar Kabupaten Lombok Barat terdapat dua saluran pemasaran yaitu: (1) Saluran pemasaran kemasan kotak yang meliputi produsen, pedagang besar dan konsumen akhir. Produsen memasarkan produk bubuk kopi kemasan kotak ke retail kecil seperti toko oleh-oleh (Lestari oleh-oleh Lombok dan Phoenix) kemudian retail kecil menjual ke konsumen akhir sebagai oleh-oleh. (2) Saluran pemasaran kemasan sachet yang meliputi produsen dan konsumen akhir dengan cara dijual eceran
KARAKTERISTIK HABITAT UNDUR-UNDUR LAUT (FAMILI HIPPIDAE) DI PANTAI BERPASIR, KABUPATEN CILACAP
Authors: Wardiatno Yusli , Nurjana I Wayan , Mashar Ali
Published: February 2022

terlampir
Hubungan Keaktifan Dan Motivasi Terhadap Pembelajaran Online Pada Mahasiswa
Authors: Setiyoaji Wahyudha Tri , Amin Rais Muktamar , Sodakain Maria Claudia , Purwaningsih Endang , Parno Parno
Published: February 2022

Government policy on online learning as an effort to prevent the transmission of the spread of COVID-19 in schools, especially in classrooms. Therefore, this policy creates social restrictions and the exclusion of face-to-face learning systems and will temporarily be replaced by online learning through several digital platforms that have been selected by the teacher and each school. The purpose of this study was to determine the relationship between Activeness and Motivation on Online Learning in Students. This research uses quantitative and qualitative approaches, researchers distribute questionnaires in the form of google form. Based on the results of research on the relationship of online learning to student learning activeness and motivation in the activeness category, 64% who answered YES and 36% answered no respectively. In the category of motivation, it shows that 78.5% answered YES and 21.5% answered NO. Based on these results, it can be seen that activeness and motivation can influence students in online learning.
Pengaruh Video Pembelajaran Dengan Model Discovery Learning Materi Suhu Dan Kalor Untuk Meningkatkan Aktivitas Siswa
Authors: Praptama Sandhi Setya , Setiyoaji Wahyudha Tri , Purwaningsih Endang
Published: February 2022

The aim of this study was to determine the effect of using video-based media on the activities and learning outcomes of physics class X on the subject of temperature and heat at SMK Negeri 1 Grat. As a source of learning, technology is a tool to facilitate learning that is more interesting for students, among the many learning technologies, one of them is video media, which has advantages that are quite good for the implementation of learning. Experimental research used in this research is a quasi-experimental (Quasi Experimental Design) using the Nonequivalent Control Group Design. This design has a control group, but it cannot function to control external variables that affect the implementation of the experiment. Subject of this research are 25. There is a significant effect of using video-based learning media on students' learning activities. Obtained results, the responsibility of students when using video media with the OBS system application obtained an average of 62,25% at pretest and 82,67% at posttest, it can be concluded that students are more active in the experimental class than in the control class.
Efektivitas E-modul Getaran dalam Kehidupan Sehari-Hari pada Pembelajaran Daring Untuk Meningkatkan Keterampilan Proses Sains Siswa
Authors: Fahlevi Aditya , Asrizal Asrizal
Published: February 2022

Physics learning has a central role in developing the 21st century skills that learners must achieve. Physics aksis one of science learning can cultivate and develop 21st century skills through science literacy and science process skills. Science process skills can be trained in the learning of physics through processes in conducting scientific activities and scientific attitudes. But from the initial studies conducted, it was found that the ability of the student's science process in online learning has artistic variety of problems. One alternative to problem solving is to use electronic modules (e-modules) designed to improve students' science process skills in online learning. The methodology used in this study was a quasi-experiment with the design of theÃÂ posttestÃÂ only control research design group. The aim of the study was to determine the effectiveness of the use of e-modules of vibration in everyday life on online learning to improve the science process skills of grade X high school students.ÃÂ TheÃÂ effectiveness of e-module use is determined by analyzing the science process skills of experimental classroom and control classes. The significance of the effectiveness of the use of e-modules on aspects of knowledge and skills of the science process is analyzed by tests of normality, homogeneity and t tests. From the analysis of data obtained by the results of the study, the use of vibrational e-modules in everyday life in online learning is effective to improve students' knowledge and skills of the science process.
Pengembangan Bahan Ajar Elektronik Energi dan Momentum Terintegrasi STEM Untuk Meningkatkan Hasil Belajar Siswa SMA
Authors: Fitria Yuni , Asrizal Asrizal
Published: February 2022

Industrial revolution 4.0 makes a major contribution to life. The era of the industrial revolution 4.0 requires human resources that can compete in the global economy. STEM education plays an important role in increasing students' creativity to compete in the future. The facts found in the field, activities that support student creativity in learning have not been carried out properly. The teaching materials used have not improved student learning outcomes optimally. The solution to overcome these problems was to develop STEM-integrated electronic teaching materials. This research method was Research and Development (R&D). This study aims to determine the effectiveness of STEM integrated electronic teaching materials. Test the effectiveness of teaching materials using experiments before-after conducted in one experimental class. The significance of the effectiveness of using electronic teaching materials on learning outcomes was analyzed by normality test, homogeneity test, and t-test. Based on the data analysis, it was concluded that STEM integrated electronic teaching materials were effectively used in physics learning to improve the learning outcomes of X grade students.
Pengaruh Penggunaan Pembelajaran Think Write Pair Shaire (TWPS) Berbantuan LMS terhadap Hasil dan Minat Belajar
Authors: Ummah Rakhmatul , Fiqry Rizalul
Published: February 2022

Due to the spread and increasing number of positive cases due to the COVID-19 virus in Indonesia Especially Sape, Bima NTB, the Ministry of Education and Culture (Kemendikbud) recommends ways to reduce the spread of the virus by conducting online learning, this study explores the effect of cooperative learning on student learning outcomes in terms of interst in learning. The cooperative learning model used is Think Write Pair Share (TWPS) assisted by a learning management system (LMS) to lear during pandemic. The LMS used is Schoology. This research is an experimental study using a pre-test post-test control group design model. The research subjects consisted of two groups, namely the experimental group and the control group. All groups were given a pre-test (an instrument to measure learning outcomes) and a learning interest questionnaire using the ARCS model (attention, relevance, self-confidence) with thirty-four questions, the experimental group was given treatment in the form of teaching using Schoology-assisted cooperative learning TWPS. The control group was given conventional learning, after treatment, all groups were given a posttest and a learning interest questionnaire. The last stage is a data processing and data analysis using ANCOVA, the result is that Schoology assisted TPS cooperative learning can improve student learning outcomes with a significance level of 0.005.
Pengaruh Model Pembelajaran Problem Solving Laboratory Terhadap Hasil Belajar Fisika SMA Pada Materi Penerapan Persamaan Gerak Harmonis Sederhana
Authors: Umamah Chairatul , Azkiyah Maisyatul , Andi Herman Jufri , Suprianto Suprianto
Published: February 2022

The purpose of this study are to determine whether there was a significant effect of the application of the Problem Solving Laboratory learning model on high school physics learning achievement and to identify improvements in high school physics learning achievement by using the Problem Solving Laboratory learning model. This research is a quasi-experimental research with non-equivalent control group design. The population of this study is the entire class X even semester of MA Al-Islamiyah 1 Sumber Batu Blumbungan Larangan Pamekasan, while the samples are 2 classes X IPA consist of 22 students each selected using purposive sampling technique. Based on the results of hypothesis testing using the Independent Sample T-test test in the SPSS V. 25 program, obtained a value ofÃÂ  ÃÂ > ÃÂ (4.334 > 2.018) and a sig value (2-tailed) = 0.000 or < 0.05 so it can be concluded that there is a significant effect of application of the Problem Solving Laboratory learning model to high school physics learning achievements. The results of data analysis using the N-Gain test showed the N-gain value in the experimental class was 0.7823 or G > 0.7. Thus, it is concluded that the improvement of high school physics learning achievements using the Problem Solving Laboratory learning model is in the high category.
Identifikasi Bidang Gelincir Tanah Longsor Menggunakan Metode Geolistrik Konfigurasi Schlumberger di Perumahan Ayudia Semarang
Authors: Sumarli Sumarli , Hau Rambu Ririnsia Harra
Published: February 2022

This study aims to identify the potential for landslides in the Ayudia housing location, Semarang. The data obtained in this study were apparent resistivity data using the geoelectric resistivity method of the Schlumberger configuration. Measurements were carried out on two tracks, namely the first track with a stretch length of 150 m and electrode spacing of 10 m and the second track with a stretch length of 75 m and electrode spacing of 5 m. Res2dinv software was used to display the resistivity value on each track so that a color image is seen that describes the change in resistivity in each rock layer. The results of the study indicated the identification of the location of the slip plane on the first track with a layer that is suspected to be the slip plane, namely limestone with resistivity values (307-939) Ã¢âÂ¦m and is at a depth of (19,9-26.9) m. This layer had a higher resistivity contrast than the top layer of the slip plane in the form of sandstone which can store water content. Thus, it could be concluded that the first track identified the potential for landslides to occur.
Pengaruh Media Pembelajaran Crosword Puzzle Dengan Model Discovery Learning Terhadap Hasil Belajar Siswa Pada Konsep Gelombang Bunyi Di SMAN 1 Boliyohuto
Authors: Yunus Iswanto A. , Yunginger Raghel , Mursalin Mursalin , Paramata Dewi Diana , Setiawan Dewa Gede Eka , Odja Abdul Haris
Published: February 2022

This study aims to determine the effect of crossword puzzle learning media with discovery learning models on student learning outcomes on the concept of sound waves. This research is a quasi-experimental type of research using one class (one samples) only the experimental class using the One Group pretest posttest design. In this study, learning was conducted three times online with the discovery learning model. The instrument used in data collection is an essay test of learning outcomes. The method used to analyze the data is descriptive analysis technique, namely normality test, hypothesis testing with a significance level of 5%. Based on hypothesis testing using parametric statistics t test obtained tCalculate (5.789 > ttabel (2.024) with a significant level = 0.05. where hypothesis one (H_1) is accepted. This shows that there are differences in student learning outcomes before and after learning using learning media crossword puzzle with the discovery learning model. This result is also shown from the increase in student learning outcomes on the posttest test which is higher than in the pretest test with an average value of 76.03% and 65.71%. Thus the use of crossword puzzle media with the discovery learning model affects the results student learning
Project Based Learning (Pjbl) dalam Proses Pembelajaran Daring pada Materi Hukum Bernoulli Menggunakan Botol Bekas
Authors: Sutejo Sutejo , Asmawati Eka Yuli Sari , Wahono Lakon , Suseno Nyoto
Published: February 2022

Covid-19 has an impact on education. In order to maintain the quality of learning, online mode learning innovation is carried out with the application of project based learning through experiments in the application of Bernoulli's Law on used bottle leaks. Online learning at SMAN 1 Metro usually uses Problem Based Learning. In this study will be used PjBl to increase the creativity of students. This research aims to explore students' ability in problem solving in dynamic fluid concepts. This type of research is quantitative with a Quasi Experimental approach, and the design used is Nonequivalent Group Design. The subject of the study was Sma N 1 Metro in class XI IPA which numbered 67 students. The analysis method uses the N-Gain Test and the different tests between the two sample groups. Results: N-Gain in experimental class by 65.74% and in control class by 25.04%. Based on hypothesis tests, it was found that the effect of applying madel project based learning in improving student learning outcomes in Bernoulli Law material. Project based learning model in online learning is also effective in developing 4Cs.
Performance of a combined power and cooling system under solar, solar storage and storage mode of operations
Authors: GOGOİ Tapan , DUTTA Utpal
Published: February 2022

In this study, the performances of a combined power and cooling system are compared at solar, solar storage (SS), and storage mode of operations using therminol–LT (TLT) and solar salt as storage media. In the solar mode, the entire water heated in a collector field is used to drive subsequently an organic Rankine cycle and an absorption cooling system. In the SS mode during high radiation (950 W/m2), thermal energy storage (TES) is used to store a fraction of hot water for later use during the storage mode at nighttime. The system produced 1.1 MW of power and 2.455 MW of cooling during the solar mode at low radiation (640 W/m2). At the SS mode, with TLT as a storage fluid, the power increased to double, however the cooling reduced by 12.22%. During the storage mode, the TLT based system produced 0.553 MW of cooling. During the SS mode with solar salt, the power and cooling increased, however, the nighttime cooling reduced significantly with solar salt. The total energy and the overall system efficiency was more with solar salt compared to those of TLT. The energy output and the system efficiency were the maximum at 950 W/m2 without TES.
Effect of position of heat flux profile on the absorber surface of parabolic trough solar collector for direct steam generation
Authors: PAL Ram Kumar , KUMAR K Ravi
Published: February 2022

The overall performance of parabolic trough solar collector (PTSC) based power plants could be improved by introducing the Direct steam generation (DSG) in the receiver of the solar collector. However, the thermal-hydraulic instability induced in the DSG process is a severe issue for the commercial application of the technology. The concentrated solar flux falling on the dry portion of the absorber before or after solar noon generates a high circumferential thermal gradient in the stratified flow region. In this work, numerical analysis of thermo-hydrodynamics of DSG has been performed to study the effect of position of solar flux profile using CFD solver ANSYS Fluent 2020R1. The TPF in the solar collectors is modeled through two-fluid modeling approach. The inlet mass flow rate and operating pressure for PTSC are considered as 0.6 kg/s, and 100 bar, respectively. The solar beam radiations are considered as 750 W/m2 and 1000 W/m2. The obtained results revealed that temperature distribution at the absorber outer surface varies in the range of 585 K to 643 K. The maximum circumferential temperature difference is observed as 55.5 K. The volume fraction of vapor at the absorber outlet are found as 0.31 and 0.37 respectively for DNI 750 W/m2 and 1000 W/m2. The corresponding pressure losses are 316 Pa and 350 Pa, respectively. The obtained results could be employed to characterize the thermal behavior of the DSG solar collectors. The model is useful to configure the solar field operation for optimum performance.
Detection of Mycobacterium Tuberculosis IgM and IgG Antibodies and Associated Risk Factors Among Apparently Healthy Undergraduate Students of a Private University in South-West Nigeria
Authors: Enitan Seyi Samson , Adeniyi Morenikeji Hannah , Junaid Surajudeen Alim , Ohanu Ernest Chibuike , Ogbonna Nwachi Idume , Joseph Effiong Effiong , Itodo Grace Eleojo , Adekunbi Oluyemisi Ajike , Odigie Joan Osamouyi , Olabanji Ayomide Ruth
Published: February 2022

Background: Infection with Mycobacterium tuberculosis (TB) is frequent among Nigerians. Many people are infected without realizing it (asymptomatic) and thus provide a risk of transmission to others. Not only will early treatment prevent TB complications, but it will also help to break the infection cycle in a community.

Objective: The study was conducted to determine the prevalence of Mycobacterium tuberculosis IgM and IgG antibodies and associated risk factors among apparently healthy undergraduate Students of Babcock University, Ilishan-Remo, Ogun State.

Methodology: The serum samples of 100 consenting participants were collected randomly and screened for TB antibodies using Aria TB IgG/IgM Combo Rapid Antibody Test Cassette (CTK Biotech Inc. Poway, CA 92064, USA). A structured questionnaire was administered to consenting students to obtain information on their bio-data (e.g, the age, sex, study level etc.), as well as clinical information regarding their health (History of TB, history of BCG vaccination, use of anti-TB medications, alcohol consumption, smoking habits etc.).

Results: The outcome of this study shows that 15 (15%) out of the 100 participants screened, were positive for TB IgG antibody, while, only 1 (1%) person was positive for TB IgM antibody. There was no significant association (P>0.05) between percentage TB IgG positivity and the socio-demographic characteristics of the study participants (gender, age, study level and tribe), except for religion. The percentage of TB IgG positivity among the study participants was found to be significantly higher than of TB IgM positivity (P<0.05). None of the 15 participants who tested positive to TB IgG indicated any of the signs and symptoms (persistent cough, chest pain, nausea, fever, chills, loss of appetite, fatigue and night sweat) associated with TB), however the only person who tested positive for TB IgM indicated all, except night sweat. Identified risk factors associated with the occurrence of TB IgM include history of TB, lack of BCG vaccination, history of diabetes and physical unfitness.

Conclusion: The findings of this study show that asymptomatic and latent tuberculosis infection exists among the study participants, and that if left untreated, it will progress to active tuberculosis with all of its associated complications, including death. This emphasizes the importance of ongoing public health education, BCG vaccination, and periodic screening to detect asymptomatic cases in the study population in order to break the infection cycle.
Non-Specific Immune Potentiating activity of Multivitamins in Catfish (Clarias sp.)
Authors: Purbomartono Cahyono , Rizkiyah Ulfatun , Mulia Dini Siswani , Husin Arief
Published: February 2022

Fish farming is well developed because many people like to consume fish. The main problem in cultivation is an attack of a disease. Generally, the disease in fish is MAS (Motile Aeromonas Septicemia) which is caused by Aeromonas hydrophila. Prevention of diseases in fish can be done by increasing immunity through the addition of multivitamins in feed. This study aims to determine the ability of multivitamins against non-specific immune responses in African catfish (C. gariepinus) as well as to know the optimum dose. The study used an experimental method with a completely randomized design using 3 treatments, 1 control, and 4 individual replications. The treatment using a multivitamin through feed with a dose of T1 = 2 g kg-1, T2 = 2.5 g kg-1, T3 = 3 g kg-1 and T0 = control. The parameters observed were phagocytic activity, and differential leukocytes of monocytes and lymphocytes. Data were analyzed using Analysis of variance (ANOVA) at the 95% confidence level. If there is a real difference, then proceed with the Duncan Multiple Range test Test (DMRT) at a 95% confidence level. The results showed that the addition of multivitamins through feed on African catfish had a significant effect (p<0.05) on phagocytic activity and differential leukocyte of monocytes, but had no significant effect (p> 0.05) on differential leucocytes of lymphocyte. The optimum dose for increasing non-specific immune responses in African catfish is T2 at a dose of 2.5 g kg-1 of feed. Based on research, the addition of multivitamins through the feed can potentially be used in fish farming to increase immunity.
Hospital selection under Insured Public Health Schemes in the multi-criteria group decision-making environment
Authors: Dev Manimay , Kumar Dinesh , Mor Rahul S.
Published: February 2022

A thriving healthcare system perfectly reflects economic development and contentment amongst the people of any region. With increasing anxiety concering health and growing medical needs, hospitals worldwide face substantial challenge to provide patients with adequate medical facilities under one roof. With a fragile state of the health industry in a developing country like India, there is a need for the hospitals to opt for international standards and comply with other premier health centers of the country. This paper aims to select the hospitals based on incongruous and conflicting criteria involving group decision-making using the Intuitionistic Fuzzy (IF) and Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method. The criteria used are concomitant to an insured public health scheme named Ayushman Bharat-National Health Protection Scheme (AB-NHPS) of the Government of India. For each alternative Euclidean distance has been used to calculate the positive and negative separation measure from the ideal solution. The relative closeness to the ideal solution has been used to rank the hospitals. The result is a list of hospitals ranked from best to worst based on the laid criteria. It can aid governing bodies in decision-making under an uncertain environment with multiple complex criteria to analyze.
Comparative analysis of static and dynamic facility layouts design using the modeling of plantain flour as case study
Authors: Adeyeri Michael Kanisuru , Ayodeji Sesan Peter
Published: February 2022

Profit optimization at the expense of minimal resource utilization for product development has been the major focus of prospective investors. In an attempt to realize this goal, the present research consideration is tailored towards investigating the effect of introducing dynamic facility layout design. Therefore, this research study uses an existing designed plantain flour processing plant that consists of a washing machine, grating machine, dryer, milling machine and sieving machine. Modeling techniques incorporated with software development were employed on the existing static plant layout to optimize production time and cost of each of the processing units along with the layout. Also, dynamic constraints were introduced into the layouts while mathematical models were formulated to visualize how the output and production process would be. With these models, software for the optimization of static and dynamic layouts was developed. The comparative study was carried out based on the processing time, the number of machines needed for each layout type, the cost of operation and machine procurement cost for both static and dynamic layouts. The constraints introduced ensured that the system improved within the cost limit based on the current market situation and prevented unnecessary enlargement in the plant facility size while minimizing material congestion in the system. The distinction between static and dynamic layout configurations was further established by comparing the results from the layout configurations for a set of throughput masses ranging from 50 kg to 250 kg. Results showed that the cost of operation drops drastically by 69.6 % under dynamic layout configuration.
Risk identification methodology regarding the safety and quality of railway services
Authors: Nedeliaková Eva , Hranický Michal Petr , Valla Michal
Published: February 2022

The paper deals with the implementation of a modified FMEA methodology according to the EU Commission Regulation no. 402/13 on a common safety method for risk assessment and evaluation in the railway sector. The basic goal is to create a methodology for risk identification regarding the safety of services in railway transport concerning railway crossings. Reason for this research was the fact that the manager of the railway infrastructure in Slovakia has problems related to accidents at railway crossings including problems with the quality of services when trains are delayed. Based on previous research, this area has been defined as a priority for risk identification. Accidents at level crossings are often the result of complex interactions between several factors. The results of the authors’ long-term research bring direct impact on the safety and quality of rail transport services. The first effect of the research is a detailed investigation of the causes of accidents, on which the new methodology is based. This is important because understanding the causes of accidents is the first step in eliminating them. The proposed new framework of the methodology provides guidance to the railway infrastructure manager on how to identify, analyze, evaluate and eliminate the risks of their effects.
AHP QFD methodology for a recycled solar collector
Authors: El Badaoui Meryem , Touzani Abdellatif
Published: February 2022

As it is presented in literature, the AHP-QFD method is a method applicable to many sectors, namely industry. The article is a part of this framework, applying this method for the design of a recycled solar air heater according to customer’s expectations. The methodology is based on the application of QFD to detect consumer requirements, technical characteristics and their relationship matrices. while the AHP method aims to evaluate the weights of each criterion in order to make the right decision.

In this study, the manufacturing process was projected from upstream to downstream, as well as a market study was established in October 2020, in Khouribga-Morocco, in which 50 people responded favourably to a survey about the most frequently searched requirements which include size, efficiency, design, price and ecology as well as their importance in a solar collector. Besides, relationship matrices and the weight matrices of the technical criteria have been established, by presenting a consistent ratio “CR” less than 10% showing the consistency of the assessment, and finally a priority given to the characteristics of the recycled solar air heater: cans and thermal insulation more superior to the others characteristics.
Statistical analysis of road freight transport in Catalonia
Authors: Boldizsar Adrienn
Published: February 2022

This article describes the links between economic level, investment in Research & development (R&D), and Catalan freight transport between 2006 and 2016. Catalonia is the second most populous area in Spain, northeast of the Iberian Peninsula, whose economy ranks second among the Autonomous Communities, surpassed only by the Community of Madrid, to speak of a significant economic and social region. The study sought to answer the question of what economic contexts exist in the region regarding freight transport. To do all this, it uses mathematical-statistical tools to explore the relationships between real data sets, which were calculated using seven indicators. The analyses suggest a positive increase in the volume of imports and exports of goods in the region. The same is true for GDP per capita. It came as a surprise that virtually no positive correlations existed between R&D and any other indicators. In analysing the indicators, we found that the current economy was pushed back by the 2008 world economic change, similarly to international trends. At the same time, there has been rapid growth since 2010, especially in exports. This also means that Spain, particularly the Catalan region, has serious trade relations, which affect the region’s economic development and the freight transport industry.
Effect of different wire materials on WEDM performance of Bio-compatible material
Authors: Pandey Gaurav Kumar , Patel Praveen Bhai , Kumar Abhishek , Niranjan Ramendra Singh , Katiyar Vikas , Chandra A K
Published: February 2022

The present experimental investigation aims to analyse the effect of various machining parameters, such as pulse peak current (Ion), pulse on time (Ton), pulse off time (Toff) and spark voltage (SV) on the surface roughness (SR) and material removal rate(MRR) by using continuous traveling of both wire electrode (i.e. brass wire and zinc-coated brass wire). The present work also analyses the effect of types of wires, such as brass wire and zinc-coated brass wire used during machining of Titanium alloy (Ti-6Al-4V) on Surface roughness (SR) and material removal rate (MRR). This work studies the correlation between various response parameter such SR and MRR by using same machining parameter by for both wires.