Sintesis Katalis Cao-Fe2o3dari Cangkang Kerang Darah Dan Serbuk Fe2o3 Untuk P…

Heterogeneous base catalysts are commonly used as substitutes for homogeneous catalysts in the transesterification reaction for biodiesel synthesis, with CaO being a prominent example. CaO can be obtained from blood clam shells through calcination at temperatures above 700℃. However, CaO catalyst has a relatively low surface area, necessitating modifications, such as the addition of Fe2O3, to…

Analisis Cemaran Mikroba Pada Minuman Jajanan Yang Dijual Pedagang Kaki Lima …

Street-vended beverages are drinks prepared and sold by street vendors in crowded public areas, such as markets and streets, intended for immediate consumption without further processing. This study aimed to assess the microbiological safety of street-vended beverages sold by vendors in Pekanbaru City. Samples were collected from seven districts, yielding a total of 16 beverage samples. Microbi…

Optimasi Proses Pembuatan Dan Adsorpsi Carbon Dots Dari Fluff Teh (Camellia S…

Carbon dots from fluff tea are one of the adsorbents that can be used to remove colorants from water. Fluff tea is a waste product from tea processing factories, consisting of whole and broken tea leaves and branches resulting from green tea production. Fluff tea contains amino acids, proteins, cellulose, microelements, tannins, and polyphenols that can be utilized as adsorbents. This research …

Analisis Metabolomik Untuk Mengevaluasi Pengaruh Pengadukan Fermentasi Dan Je…

The potential for discovering new antibiotic alternatives through the exploration of local microbes from Riau as a source of bioactive compounds is significant. However, isolating active compounds using a guided assay approach presents challenges due to the limited amount of extract and the low yield obtained from microbial fermentation. To address these challenges, it is crucial to optimize fe…

Isolasi Dan Uji Aktivitas Antijamur Senyawa Metabolit Sekunder Dari Fraksi 3 …

Asplenium nidus, commonly known as bird's nest fern, belongs to the Aspleniaceae family. This fern typically grows in both lowland and highland areas, characterized by a single leaf and a rosette-shaped group of leaves, and it cannot tolerate direct sunlight. This study aims to isolate and characterize compounds from the chloroform extract of A. nidus and evaluate its antifungal activity using …

Isolasi Senyawa Aktif Antibakteri Dari Ekstrak Etil Asetat Daun Lampeni (Ar…

Infections caused by microorganisms such as bacteria, are becoming increasingly difficult to treat due to improper use of antibiotics leading to bacterial resistance. Therefore, new antibacterial agents are needed, and one continuously developed source is plants. One potential herbal plant is lampeni (Ardisia humilis Vahl) from the Primulaceae family and Ardisia genus, with several species repo…

Analisis Disparitas Intraregional Di Provinsi Riau Dalam Satu Dekade Terakhi…

Indeks Williamson menunjukkan bahwa ketimpangan antarwilayah di Riau mengikuti pola konvergensi dengan kurva cenderung berbentuk huruf U terbalik, artinya ketimpangan pada awalnya meningkat tetapi kemudian menurun seiring waktu. Kabupaten Bengkalis, Siak, Rohul, Inhil, dan Meranti merupakan penyumbang utama ketimpangan, Bengkalis dan Siak berkontribusi karena di atas rata-rata, sedangkan R…

Kisi Serat Bragg Bertingkat Pada Sistem Komunikasi Optik Menggunakan Dual-Mod…

Cascaded Fiber Bragg Grating (CasFBG) was introduced as an innovative solution to address the challenge of optical signal dispersion on single-mode optical fibers. The system is designed to improve the quality of optical transmission by minimizing the dispersion effect, so as to support the performance of more reliable and efficient optical communication networks. The implementation and analysi…

Pengembangan Bahan Ajar Pembelajaran Hikayat Berbentuk E-book Sekolah Menenga…

This study aims to produce teaching materials for learning hikayat in the form of E-books to facilitate teachers and students in increasing their knowledge of hikayat. The method used is the Research and Development (R&D) method, with the ADDIE model. Data collection was carried out using a measuring instrument in the form of a questionnaire. The questionnaires are teacher questionnaire instrum…

Pengembangan Bahan Ajar Menulis Cerita Pendek Bermuatan Kearifan Lokal Siswa …

This study aims to produce a product of teaching materials for writing short stories containing local wisdom for grade XI students of SMA Negeri 2 Tembilahan to improve short story writing skills and students' cultural literacy knowledge. The research method used is Research and Development (R&D) with the ADDIE development model. Data collection techniques include interviews, validation sheets,…

Pengembangan Bahan Ajar Keterampilan Menulis Teks Laporan Hasil Observasi Ber…

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Pembelajaran Menulis Teks Prosedur Menggunakan Bahan Ajar Bermuatan Budaya Me…

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Pengembangan Bahan Ajar Menulis Teks Laporan Hasil Observasi Berbantuan Powto…

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Pengaruh Governance, Risk dan Compliance (GRC) dan Intellectual Capital Terh…

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Pengaruh Kesiapan Organisasi,Teknologi Finansial, dan Literasi Keuangan Terha…

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Good Environmental Governance dalam pengelolaan sampah di Kota Pekanbaru

This research is motivated by the increasing volume of waste in Pekanbaru City due to the high rate of urbanization and population growth. This condition demands a more effective, efficient, and sustainable waste management system in line with the principles of Good Environmental Governance. The objective of this research is to analyze and explain good environmental governance in waste manage…

Pengaruh Kepemimpinan Kepala Sekolah Dan Adversity Quotient Terhadap Kinerja…

This study aims to describe the influence of principal leadership and Adversity Quotient on teacher performance. The type of research used in this study is correlational research with a quantitative approach. This research was conducted in District XIII Koto Kampar, Kampar Regency. The research subjects were 75 PAUD teachers. To analyze the research data, simple linear regression and multiple l…

Pengaruh Motivasi kerja dan Iklim sekolah terhadap Profesional Guru Matemati…

This research examines the relationship between work motivation, school climate, and professionalism of mathematics teachers at State Senior High Schools (SMAN) in Pekanbaru City. This research aims to identify how intrinsic and extrinsic motivation factors, combined with the overall school environment, influence the teaching practices and professional behavior of educators. Using a quantitativ…

Pemodelan Karakteristik Pelaku Perjalanan Terhadap Pemilihan Moda Angkutan Me…

The presence of the Pekanbaru-Dumai Toll Road influences traveler behavior regarding transportation mode selection, resulting in an increase in AKDP trans-portation users utilizing the toll road. This study seeks to develop a model of mode selection features and to investigate the factors influencing travelers' mode selection on the Pekanbaru-Dumai Toll Road. This research employs a statistical…

Modifikasi Katalis CaO dari Cangkang Kerang Darah dengan Silika Gel dari Sabu…

The global energy sector is still dominated by the use of non-renewable fossil fuels, encouraging various countries to switch to renewable energy sources such as biodiesel. Crude palm oil (CPO) as a biodiesel raw material contains high levels of Free Fatty Acids (FFA), which can reduce the quality of biodiesel if only using CaO catalysts. Therefore, an acid catalyst such as silica gel is needed…