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All Journal Indonesian Journal of Disability Studies Journal of Geoscience, Engineering, Environment, and Technology Decision: Jurnal Administrasi Publik
Ediyanto
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Humanities Earth & Planetary Sciences Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Physics Social Sciences Other

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The Role of Inertinite Characteristics and Coal Porosity of Seam A-1 of Muara Enim Formation in West Merapi, Lahat, South Sumatera, Indonesia Basuki Rahmad; Budi Prayitno; Susilawati S.S.R; Sugeng; Ediyanto
Journal of Geoscience, Engineering, Environment, and Technology Vol. 7 No. 2 (2022): JGEET Vol 07 No 02 : June (2022)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2022.7.2.8986

Abstract

Coal contains a complex network of nano-, meso-, and a macro-pore can store fluids and allow fluids to flow through it. Nanoporosity in coal is primarily a result of molecules that have aromatic molecular structures and have been preserved in coal. Most adsorbate compounds, including gases, are stored here. The study area is located in South Sumatera, West Merapi Area, Lahat Regency. Geologically, the area in South Sumatra Basin belongs to the Middle-Late Miocene Muara Enim Formation. Using the ply-by-ply method, coal samples were taken directly from Seam-A in the coal mine walls outcrop, based on macroscopically determinable lithotype information. During laboratory analyses, coal is microscopically analyzed to determine the amount of porosity, permeability, and vitrinite reflectance. The purpose of this study is to investigate the change in composition and characteristics of inertinite macerals when the porosity value is varied.. Vitrinite content is between 91.00-92.80 %; liptinite 0.90-3.40%; inertinite 3.70-4.80%; mineral matter 0.7%-1.8%. Withh a vitrinite reflectance average of 0.34-0.36%, the variation in composition is an indication of changes in plant communities or coal facies. It is generally classified as sub-bituminous coal (ASTM). Porosity value of seam A upper is 1.9% and seam A lower 1.51%, permeability value seam A upper is 70.1 mD and seam A lower 27.1%. Composition of mineral matter in seam A upper is 0.8% and seam A lower 1.7%. The increasing number of inertinite pore is followed by lower porosity value. The inertinite maceral is predominantly aromatic with a high level of cross-linking, and exhibits a high level of aromatization and condensation. They have the highest carbon and the lowest oxygen hydrogen content. A coal maceral's porosity is composed of void spaces, such as open cell lumens preserved in semifusinite and sclerotinite. The porosity of cleats is the percentage of volume in relation to volume of coal, and the porosity of permeability. In coal, semifusinite has extensive interconnected pores that can form significant conduits for fluid flow.
JARINGAN SOSIAL PADA PENGELOLAAN LINGKUNGAN DAS CITARUM DI SEKTOR 1 SITU CISANTI - DESA TARUMAJAYA KECAMATAN KERTASARI KABUPATEN BANDUNG Ruyani, NR; Rosana Gnagey, Mira; Duriat, Ahtu; Ediyanto
Decision Vol 5 No 01 (2023): DECISION: Jurnal Administrasi Publik
Publisher : Prodi Administrasi Publik FISIP UNPAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/decision.v5i01.7667

Abstract

Penelitian ini menggambarkan Jaringan Sosial dalam Program Citarum Harum khususnya pada Pengelolaan Lingkungan DAS Citarum di Sektor 1 Situ Cisanti, tepatnya di Desa Tarumajaya, Kecamatan Kertasari, Kabupaten Bandung. Penelitian menggunakan metode deskriptif dengan pendekatan kualitatif. Sumber data dalam penelitian ini adalah stakeholder pengelolaan lingkungan DAS Citarum di Sektor 1 Situ Cisanti. Informan penelitian ditentukan dengan menggunakan teknik purposive, yaitu tokoh masyarakat, Komandan Sektor 1 Kodam III Siliwangi (TNI), Ketua Komisi Pengendalian Daya Rusak Air Citarum, Relawan Tim Citarum Harum, Kepala Bidang Ekonomi Bappeda Kabupaten Bandung sebagai orang-orang yang memiliki pengetahuan dan informasi terkait penelitian yang dilaksanakan. Data pada penelitian ini diperoleh melalui proses wawancara, observasi, studi dokumentasi dan literature review. Hasil penelitian menunjukan, bahwa stakeholder telah mampu memanfaatkan jaringan sosial yang dimiliki melalui berbagai kegiatan sehari-hari bersama dalam komunitas Masyarakat Desa Tarumajaya dimana lingkup Pengelolaan Lingkungan DAS Citarum berada. Melalui partisipasi kebersamaan dalam kegiatan tersebut semua saling mengenal dan mendukung satu sama lain pada satu tujuan yang sama. Jaringan sosial mampu memfasilitasi penyebaran informasi di antara aparatur, relawan dan masyarakat sedemikian rupa kerjasama mengusung program dapat mudah dibangun dan dilakukan. Paradigma jaringan sosial memiliki kunci relasi sosial sebagai unsur terpenting. Melalui relasi sosial antaraktor memiliki konten dan aliran dari konten tersebut jelas mengarah dari siapa kepada siapa. Selain itu, konten yang dimaksud berjalan stabil sehingga keberhasilan program dapat diwujudkan. Aktor individu dan aktor kelompok pada pengelolaan lingkungan DAS Citarum di Sektor 1 Situ Cisanti, meliputi aktor : tokoh masyarakat, TNI, LSM, relawan dan pemerintah. Sumber berharga aktor meliputi uang, waktu, tenaga dan pengetahuan, mekanisme pemberian sumber berharga para aktor digolongkan melalui sosialisasi, kerja bakti dan rapat koordinasi. Faktor pendorong yang dimiliki oleh para aktor didasarkan kesadaran pribadi dan instruksi aktor lainnya. Hubungan pertukaran antar aktor dari sumber berharga (uang, waktu, tenaga dan pengetahuan) juga para aktor mendapat timbal balik berupa perubahan perilaku, kepuasan pribadi dan apresiasi. Selain itu keuntungan yang diperoleh oleh para aktor adalah kondisi lingkungan di Sektor 1 Situ Cisanti lebih bersih dan tertata dibandingkan sebelum dilakukannya Pengelolaan Lingkungan DAS Citarum dengan keterlibatan berbagai aktor didalamnya. Struktur jaringan terlihat adanya kesamaan tujuan, keterikatan antar satu aktor dengan aktor lainnya. Keterikatan ini berupa hubungan kerjasama yang saling menguntungk
Indonesian Teachers' Attitudes towards Gifted Students with Low SES from Malay Background Suhendri; Maryanah, Sri; Ediyanto; Norimune, Kawai
Indonesian Journal of Disability Studies Vol. 7 No. 1 (2020)
Publisher : The Center for Disability Studies and Services Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (75.198 KB) | DOI: 10.21776/ub.ijds.2019.007.01.14

Abstract

Defined as a child who has superior capabilities, especially in the area of intelligence, many gifted children in Indonesia are ignored, especially those who have poverty issues in a rural area like Malay. This is disappointing as some theorists believe that Malay people are the indigenous people of Indonesia. The failure to recognize giftedness is believed due to the teachers' attitude towards gifted students with low SES (social-economic status). This study is a comprehensive and systemic literature review that analyses and synthesizes comprehensive works of literature from various journals obtained from Proquest central and Sage, books published in Indonesian and globally, government documentation, trusted websites, combined with the prescribed textbooks for studying giftedness at Flinders University. This study focuses on the Malay teachers' attitudes towards gifted students with low SES. The main finding of the study confirms that most Malay teachers deny the existence of gifted children, especially with low SES although some of them still try to identify these kinds of students based on teacher observation and the students' achievements.
Improving Reading and Calculation Ability through Audio Visuals Media in Indonesian Elementary School Student with Slow Learner: A Literature Study Puspitasari, Fiolina Hana; Ediyanto; Efendi, Mohammad; Sunandar, Asep
Indonesian Journal of Disability Studies Vol. 8 No. 2 (2021)
Publisher : The Center for Disability Studies and Services Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (116.731 KB) | DOI: 10.21776/ub.ijds.2021.008.02.13

Abstract

Learning media can be made using audio-visual media. Audio-visual media here is the media that conveys the message specifically to the senses of hearing and sight. The media has sound elements and image elements. Teachers who provide modifications to the media will make learning more interesting for students, especially if there are students with slow learner barriers in class. The slow learner is a learning barrier in children, which is characterized by a gap between the level of intelligence and academic ability that should be achieved. The use of audio-visual media is able to have a positive influence on the reading and numeracy skills of students with slow learners.
Co-Authors Asep Sunandar Basuki Rahmad Budi Prayitno Duriat, Ahtu Maryanah, Sri Mohammad Efendi, Mohammad Norimune, Kawai Puspitasari, Fiolina Hana Rosana Gnagey, Mira Ruyani, NR Sugeng Suhendri Susilawati S.S.R