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PELATIHAN PENGGUNAAN BENDA UKUR DAN JANGKA SORONG PADA GURU FISIKA SMA NEGERI 2 SURAKARTA
Rosyid Al Hassany, Ibnu
; Syamsudin, Arif
; Sutiyoko
; Munadi, Muhammad
; Nugrahani, Mita
; Wahyuningsih, Tuti
; Dwi Ratnawati, Yunie
Abdi Masya
Vol 6
, No 2
(2025)
Kegiatan praktikum yang meliputi pengamatan dan pengukuran merupakan salah satu kewajiban yang harus dipenuhi pada mata pelajaran fisika. Berdasarkan hasil wawancara dengan Guru Fisika SMA Negeri 2 Surakarta mengenai materi pengukuran jangka sorong, terdapat masalah dimana benda ukur yang dipakai siswa untuk praktek berbeda - beda bentuk dan ukurannya. Hal tersebut menyulitkan guru dalam proses evaluasi kemampuan siswa. Sebagai solusi, dilakukan pembuatan benda ukur dan pelatihan penggunaannya k...
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Effect of Biomass Feedstock Granulometry on Thermophysical Characteristics of Charcoal Briquettes via Screw Extrusion
Samsudin Anis
; Jefri Bale
; Septian Eko Cahyanto
; Ninda Kurniadi
; Fitriyana, Deni Fajar
; M. Thooriq Anwar
; Januar Parlaungan Siregar
; Natalino Fonseca Da Silva Guterres
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 4
(2025)
The present study investigates the impact of particle size variation (10, 18, 20, and 35 mesh) on the physical and thermal properties of charcoal briquettes from coconut shells manufactured with a screw-based extruder machine. The briquette manufacturing process involves crushing, mixing, molding, and drying. Assessments were conducted to ascertain friability, compressive strength, density, calorific value, volatile matter, ash content, fixed carbon, and water content. Comparable assessments wer...
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Mechanical Performance of Epoxy Composite Reinforced with Wood Dust and Crumb Rubber Waste
Imran, Al Ichlas
; Siregar, Januar Parlaungan
; Cionita, Tezara
; Fitriyana, Deni Fajar
; Anis, Samsudin
; Dewi, Rozanna
; Junaedi, Thomas
; Wijayanto, Etanto Heiliano
; Prayogo, Wisnu
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 4
(2025)
The incorporation of wood dust and crumb rubber waste as filler in polymer matrix composite still requires in-depth evaluation of mechanical properties because they have different characteristics. This study evaluates the tensile, flexural, and hardness properties of epoxy composites reinforced with various fractions of wood dust and crumb rubber (5, 10, and 15%). The results showed that the composite with 5% crumb rubber produced the highest tensile strength of 15.52 MPa (CR5), while the highes...
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Mechanical Performance of Alkali-Treated Rattan Strips with Epoxy Coating for Sustainable Composite Applications
Kalatharan, Sujentheran Nair
; Imran, Al Ichlas
; Irawan, Agustinus Purna
; Siregar, Januar Parlaungan
; Cionita, Tezara
; Fitriyana, Deni Fajar
; Anis, Samsudin
; Dewi, Rozanna
; Setyoadi, Yuris
; Wisnu Prayogo
Advance Sustainable Science, Engineering and Technology
Vol 7
, No 3
(2025)
The use of natural materials like rattan in eco-friendly composites is gaining attention in materials engineering. However, its hydrophilic nature and interaction with other materials can affect mechanical strength. This study investigates how variations in rattan size and alkali treatment influence the tensile properties of single rattan strips through an epoxy dipping process. Rattan was prepared with varying lengths (5–15 cm), widths (3–8 mm), and a consistent thickness (0.5 mm). Alkali treat...
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1 Sitasi
Pengukuran Tingkat Kapabilitas Tata Kelola E-Learning Menggunakan COBIT 5.0 Pada SMK TI Bali Global Jimbaran
I Wayan Gede, Narayana
; I Wayan Gede, Narayana
; M Samsudin
; I W Bandem W.P.N
; Komang Eka Andra Tri Dharma
Jurnal Elektronika dan Komputer
Vol 17
, No 2
(2024)
E-Learning becomes a platform which supports technology-based learning on many aspects. The usage of E-Learning becomes the main choice especially in education world. SMK TI Bali Global Jimbaran, which is a middle level vocational school, utilizes this platform in its learning process. In its implementation process, there needs to be a precise and thorough supervision to ensure that the system runs according to business goals. This mapping is conducted to know the process used for measurements....
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Analisis Komparatif Risiko dan Return Pada Saham dan Obligasi di Bursa Efek Indonesia: Implikasi Bagi Investor
Jurnal Ekonomi, Bisnis dan Manajemen (EBISMEN)
Vol 3
, No 2
(2024)
This study analyzes the characteristics, risk, and return of stocks and bonds in Indonesia. The data used is historical data on stock and bond prices traded on the IDX during a 10-year period, from 2014 to 2024. The analysis methods used are descriptive analysis, t-test, ANOVA, and multiple linear regression. The results of the study show that stocks offer the potential for higher returns than bonds, but also with higher risk. Bonds offer better income stability and lower risk than stocks. The i...
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PENERAPAN METODE SUPPORT VECTOR MACHINE (SVM) PADA KLASIFIKASI JENIS CENGKEH BERDASARKAN FITUR TEKSTUR DAUN
Jurnal Riset Sistem dan Teknologi Informasi
Vol 2
, No 1
(2024)
Leaves are a very important plant component because they play an important role in differentiating plant species, including clove plants. Currently, the identification of clove species, namely Afo, Siputih, and Zanzibar, relies on manual observation of the characteristics of the fruit and flowers, which can take a long time, especially considering the long fruiting period of the clove plant. To answer this problem, the authors conducted a study to classify the three types of clove leaves based o...
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6 Sitasi
DISEMINASI PROGRAM KESEHATAN DAN KESELAMATAN KERJA DI LINGKUNGAN INDUSTRI PENGECORAN LOGAM
Abdi Masya
Vol 4
, No 2
(2023)
Program keselamatan dan kesehatan kerja merupakan salah satu faktor pencegahan dan meminimalisir terhadap bahaya kecelakaan kerja yang terus disosialisasikan oleh pemerintah maupun pelaku kerja. Pencegahan Kecelakaan merupakan hal yang mendasar bagi perusahaan, karena menyangkut jiwa manusia atau tenaga kerjanya dan lingkungan kerja itu sendiri yang menjadi sebab timbulnya kecelakaan. Desa Batur, Kecamatan Ceper Kabupaten Klaten banyak pelaku UMKM yang bergerak dibidang pengecoran logam yang bel...
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Optimalisasi Sosial Media Marketing untuk Meningkatkan Konversi Penjualan pada Usaha Catering Rumahan
Sejahtera: Jurnal Inspirasi Mengabdi Untuk Negeri
Vol 2
, No 3
(2023)
The development of the internet has affected all aspects of human activity including marketing. Social media marketing is a marketing strategy by utilizing social media platforms. For this reason, every business needs to pay attention to social media as a very important promotional medium. This research journal aims to prove the importance of optimizing social media marketing for increasing sales conversions carried out at the 'Dapur Mamiku' catering business. The process of increasing sales is...
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5 Sitasi
SYSTEMATIC LITERATURE REVIEW: KEMAMPUAN BERPIKIR KRITIS DALAM PEMBELAJARAN
NALAR: Jurnal Pendidikan dan Kebudayaan
Vol 2
, No 1
(2023)
Tujuan dari penelitian ini adalah menganalisis literatur yang terkait dengan kemampuan berpikir kritis dalam kurikulum pembelajaran melalui tinjauan literatur yang sistematis. Artikel ini menganalisis literatur melalui database elektronik yang diperoleh dari Scopus. Perangkat lunak yang digunakan pada tinjauan literatur sistematis adalah Microsoft Excel, VOSviewer, dan Harzing's Publish or Perish. Berdasarkan dari hasil pencarian artikel dengan menggunakan Harzing's Publish or Perish diper...
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