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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal BETA (Biosistem dan Teknik Pertanian) Journal of Tropical Soils Resital: Jurnal Seni Pertunjukan (Journal of Performing Arts) Harmonia: Journal of Research and Education Imajinasi Jurnal Pendidikan Teknik Mesin Agrovigor: Jurnal Agroekoteknologi JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Sumberdaya Alam dan Lingkungan Jurnal Agroekoteknologi English Review: Journal of English Education Jurnal Matematika Sains dan Teknologi DWIJA CENDEKIA: Jurnal Riset Pedagogik Dinamika Ilmu Adi Widya : Jurnal Pengabdian Masyarakat JURNAL PERTANIAN PRESISI (JOURNAL OF PRECISION AGRICULTURE) English Language and Literature International Conference (ELLiC) Proceedings Humaniora Jurnal Ilmiah Edunomika (JIE) Jurnal Ilmiah Teknik Mesin "MEKANIK" Jurnal Prakarsa Paedagogia International Journal of Engineering, Technology and Natural Sciences (IJETS) Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Ilmiah Agribios Jurnal Program Kemitraan dan Pengabdian Kepada Masyarakat MATHunesa: Jurnal Ilmiah Matematika Indonesian Journal of EFL and Linguistics DINAMIKA ILMU: Jurnal Pendidikan International Law Discourse in Southeast Asia Journal of Materials Exploration and Findings Akademika : Jurnal Pemikiran Islam Journal of Automotive Technology Vocational Education International Journal of Sustainable Building, Infrastructure and Environment Advance Sustainable Science, Engineering and Technology (ASSET)
Slamet Supriyadi
Universitas Trunojoyo Madura
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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RANCANG BANGUN FILTER WET SCRUBBER UNTUK PENURUNAN TEMPERATUR DAN PENGURANGAN KANDUNGAN TAR TERHADAP HASIL SYNGAS PROSES GASIFIKASI Supriyadi, Slamet; Androva, Althesa; Prasetyo, Punky Ari Dwi
Journal of Automotive Technology Vocational Education Vol. 2 No. 1 (2021): April 2021
Publisher : Pendidikan Vokasional Teknologi Otomotif, Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jatve.v2i1.1489

Abstract

Biomassa merupakan salah satu sumber alam yang dapat dimanfaatkan sebagai sumber energi terbarukan. Pemanfaatan biomassa sebagai sumber energi dapat dilakukan dengan teknologi gasifikasi. Teknologi gasifikasi merupakan proses pengkonversian bahan bakar padat menjadi gas mampu bakar (CO, CH₄, H₂) melalui proses pembakaran. Produk gas hasil gasifikasi tersebut berupa gas mampu bakar seperti karbon monoksida (CO), hidrogen (H₂), gas metana, pengotor anorganik seperti NH₃ dan HCN, kandungan H₂S, debu halus, dan pengotor organik seperti tar. Untuk pengurangan kandungan tar, maka perlu adanya proses penyaringan. Dalam penelitian ini menggunakan filter wet scrubber dengan tujuan penurunan temperatur dan penyaringan kandungan tar, debu, serta mendapatkan visualisasi nyala api terbaik dari 4 jenis biomassa dengan pengaturan tekanan air pada sprayer. Di sisi lain, pengurangan kandungan tar berpengaruh terhadap hasil syngas yang nantinya akan diteruskan ke mesin diesel sebagai pengganti bahan bakar minyak. Jika syngas masih mengandung tar, dapat menghambat bahkan merusak mesin diesel tersebut. Peneliti menggunakan 4 jenis biomassa yaitu: serbuk kayu jati, kayu sengon, sekam padi, dan tempurung kelapa dengan tekanan sprayer 2, 3, 4 kg/cm². Dari 4 jenis biomassa didapat nyala api terbaik yaitu tempurung kelapa dengan tekanan sprayer 4 kg/cm², temperatur 193 °C, dan nyala api tanpa mengandung asap serta hasil syngas sedikit mengandung tar.
Embracing Students’ Self Confidence: Bringing Instagram Into English Speaking Classroom, Why Not? Mutiara, Kharisma; Marmanto, Sri; Supriyadi, Slamet
Journal Prakarsa Paedagogia Vol. 4 No. 2 (2021): Desember 2021
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/jpp.v4i2.7253

Abstract

As one of the four English skills that has to be mastered, English learners still see that speaking mastery is challenging. Many of them are difficult to speak, although their writing, reading, and listening skills are good. This research presents a classroom action research of using Instagram in English speaking classroom with students in a private senior high school in Surakarta. The purpose of this research is to propose the use of Instagram as a social media to teach speaking as well as to find out the students' attitude towards the use of Instagram in enhancing their speaking skills. The study revealed that Instagram used in English speaking classroom brings effective meaning for them in learning English. Instagram also brings a positive attitude to students so that they can learn to speak English more easily.
ANALISIS KRIGING UNTUK MENDETEKSI POLA SPASIAL KASUS DBD DI KOTA PANGKALPINANG DAN KABUPATEN BANGKA TENGAH Septia, Hera; Agita; Emelia; Lianawati; Supriyadi, Slamet
MATHunesa: Jurnal Ilmiah Matematika Vol. 14 No. 1 (2026)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v14n1.p507-517

Abstract

Kasus Demam Berdarah Dengue (DBD) terus meningkat di Indonesia, termasuk di Provinsi Kepulauan Bangka Belitung yang mengalami fluktuasi angka kejadian dari tahun ke tahun. Penelitian ini bertujuan untuk menganalisis peta sebaran IR DBD 2020-2024 dengan mempertimbangkan faktor variabel curah hujan, menganalisis konsentrasi wilayah kasus tertinggi, serta mengidentifikasi klaster spasial. Data yang digunakan meliputi data curah hujan, jumlah kasus DBD, dan jumlah penduduk dari tahun 2020 hingga 2024. Analisis dilakukan menggunakan metode Ordinary Co-Kriging, Anselin Local Moran’s I, dan Hotspot Analysis (Getis-Ord Gi*), dengan pemilihan model semivariogram terbaik berdasarkan nilai RMSE menggunakan software ArcGIS. Hasil penelitian menunjukkan bahwa model Gaussian memberikan nilai RMSE paling kecil sehingga menjadi model semivariogram terbaik dalam memprediksi persebaran kasus. Pemetaan Co-Kriging memperlihatkan bahwa menunjukkan bahwa hubungan curah hujan dengan kejadian IR DBD berfluktuasi setiap tahunnya, dengan risiko tertinggi terjadi pada tahun 2024 di kecamatan bagian tengah wilayah penelitian. Hasil Moran’s I mengindikasikan adanya pengelompokan spasial positif, di mana wilayah dengan kasus tinggi cenderung berdekatan dengan wilayah bernilai tinggi lainnya. Sementara itu, hasil Hotspot Analysis menunjukkan pergeseran lokasi daerah rawan DBD setiap tahun, yaitu dari Sungai Selan pada tahun 2020, Lubuk Besar pada 2021, wilayah Kota Pangkalpinang pada 2022–2023, hingga Koba dan sekitarnya pada 2024. Pola ini menggambarkan bahwa curah hujan memiliki hubungan dinamis terhadap peningkatan kasus DBD.
Analysis of CO2 and CH4 Emission from Domestic Waste in Open Space Bendan Dhuwur Campus UPGRIS Semarang Nindita, Velma; Widiastuti, Kurnia; Supriyadi, Slamet
International Journal of Sustainable Building, Infrastructure and Environment (IJOSBIE) Vol 3, No 1 (2022)
Publisher : Science and Technology Research Centre, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijosbie.v3i1.9785

Abstract

Various activities especially in fulfillment daily needs, generate a lot of waste. One of the negative effects of waste generation is the contribution of greenhouse gas emissions to the atmosphere which causes global warming. Every location has waste, both organic and non-organic, or other types. The open space in Bendan Dhuwur campus area is dominated by organic waste due to leaf fall from many trees around. This is a concern because there is no proper waste management and it is immediately burned. This study focuses on analyzing the composition of waste and calculating the contribution of CO2 emissions from domestic waste generation at Bendan dhuwur campus of UPGRIS Semarang. The method used is random sampling accompanied by quantitative descriptive measurements and analysis. The result of the research shows that the calculation of waste composition for leaf waste is 3.58 x 10-3 Gg/year; twig waste 3.6 x 10-4 Gg/year; paper waste 3.57 x 10-4 Gg/year; plastic waste 2.02 x 10-4 Gg/year and CO2 emissions = 2.12 x 10-3 Gg/year; CH4= 2.57 x 10-5 Gg/year (leaves), CO2 = 2.18 x 10-4 Gg/year; CH4=2.58 x 10-6 Gg/year (twig), CO2 = 1.53 x 10-4 Gg/year; CH4= 2.56 x 10-6 Gg/year (paper), CO2 = 0.02 Gg/year; CH4= 1.45 x 10-6 Gg/year (plastic) Keywords: waste, CO2, CH4
An English Teacher's Autobiography of Using Digital Multimodal Composing in Teaching Writing to Vocational Students Wulan, Dyah Retno; Drajati, Nur Arifah; Supriyadi, Slamet
DWIJA CENDEKIA: Jurnal Riset Pedagogik Vol 6, No 3 (2022): DWIJA CENDEKIA: Jurnal Riset Pedagogik
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (548.826 KB) | DOI: 10.20961/jdc.v6i3.68127

Abstract

This study is an autobiography of the author's experience as an English teacher teaching 12th graders digital multimodal composing (DMC). I have been teaching vocational high school students for seventeen years in one of Indonesia's vocational high schools. I am still looking for the best way to develop the writing skills of vocational high school students. I want to alter their perceptions of writing. It is essential to create a fun and meaningful writing process both inside and outside the classroom. Students born in the twenty-first century, the digital generation, and modern students. DMC as the textual practice entails using digital tools to generate text by combining various semiotic modes. Each mode is meaningful and serves a purpose. As a teacher, I can create any digital mode based on my students' needs and knowledge. This study used the narrative inquiry method to explore and reflect on the story of the teacher.
Co-Authors - Mahsun Aan Burhanudin Abdul Gofur Achmad Amzeri Adiputra, Agung Agita Agung Kristiawan Agus Imam Santoso Agus Mukhtar Agustina, Dwi Ulya Ainur Rafiq Amrullah Alfiani, Widya ali fauzi Aminuyati Androva, Althesa Anugrah, Nina Julia Anugrah, Nina Julia Arif Rakhman Suharso Arifin, M Nurul Ario Hendartono Bahtiar, Hafid Bakti Wisnu Widjajani Beti Dwi Purwati Burhanudin , Muhammad Arif Carsoni Catur Wasonowati Choirul Umam Choirul Umam Diah Kristina, Diah Dwi Kurnila Sari Edi Kurniadi Eko Murniyanto Eko Murniyanto EKO SETIAWAN Emelia Endang Widiyastuti Erick Yuhardi Erika, Siti Esterica Yunianti, Esterica Estu Saputro Fahmi Arief Rahman Fakhrudin, Anas FARANDI, ROY Fathoni, Mu`alim Ibu Gita Pawana Ibnu Toto Husodo, Ibnu Toto Imadudin Harjanto Irna Farikhah Ismail, Abd Rasid Joko Nurkamto Karmala, Estiana Tri Kurnia Widiastuti Kurniawati, Estetika Mutiaranisa Lailatin Nisfiyah Lanang, Sembodo LIANAWATI Margana Margana Margono Margono Masrukhatin Na’imah Muhamad, Wan Mansor Wan Muhammad Amin Sadzli Muhammad Amiruddin Mukthar, Agus Mulyanto Mulyanto Mulyawan, Ronny Mutiara, Kharisma NISFIYAH, LAILATIN Nur Aksin, Nur Nur Arifah Drajati Nurlaila Mubarokah Pambudi, Nizar Anggriawan Prasetyo, Punky Ari Dwi Prasetyo, Syukur Toha RAHMAT GUNAWAN RR. Ella Evrita Hestiandari Safitri, Ida Dwi Sembiring, Rinawati Septia, Hera Sidqi Zaed Z.M Sidqi Zaed Z.M. Sinar Suryawati Sinar Suryawati Siswahyudianto Siti Khairun Nisak Solly Aryza Sri Marmanto, Sri Sudarwati, Nurlaili Sudiro Sudiro Suhartono, Suhartono Suheli Suheli, Suheli Sularti, Sularti Sumardi . Suparno Suparno Sutopo Sutopo Suyitno Suyitno Velma Nindita, Velma Wachid Yahya Wahyudiono, Teguh Widi, Kahfi Sukma Wulan, Dyah Retno Yuhardi, Erick Yulianto, Nanang Zunita, Vina Tasya