Ditapis dengan
Implementasi Modul Fisika Berbasis Contextual Teaching And Learning (CTL) Pad…
CTL-Based Physics Module on Newton’s Law Matterial thas has been developed as a solution to problems found through interview observations, namely learnin that is still mostly teacher-centerde and the use of modules in learning in high school is still rare. This study aims to determine the validity of the CTL-based module on Newton’s Law material and its effect on increasing student’s…
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- 1810246539
Analisis Pengaruh Intrusi Air Laut Terhadap Air Tanah Menggunakan Metode Geol…
The effect of seawater intrusion on groundwater has been carried out in Tanjung Kapal Village, Rupat District by using the geoelectric method of the Schlumberger configuration. This study aims to determine the resistivity value, layer depth, thickness of the groundwater layer, determine the effect of seawater intrusion on groundwater and determine the water quality of residents' wells. Data pro…
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- 1803124159
Pemodelan Pembangkit Plasma Hidrogen Frekuensi Microwave Tekanan Atmosfir Dua…
The development of hydrogen plasma greatly expanded generated by microwave system has resulted in high energy efficiency. The application has a pioneer invention used at atmospheric pressure. In addition, microwave frequency of 2.45 GHz can assist decompose Carbon Dioxide and produce hydrogen as the main component of the fuel. Therefore, this frequency plays as important role as source of …
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- 1910247689
Penerapan Model Argument Driven Inquiry Untuk Mengetahui Tingkat Perbedaan Ke…
The ability to think critically is one of the competencies that must be possessed by students. The low ability to think critically becomes a problem that must be solved. Gender differences are one of the factors that influence in the formation of critical-thinking characters. To develop students' critical thinking skills, it is necessary to innovate learning by applying one of the learning mode…
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- 1805124208
Pengembangan Media Pembelajaran Fisika Interaktif Berbasis Mobile Learning Pa…
Interactive learning media based on mobile learning on the android platform is a media designed to be used on android smartphones to support learning activities. In the learning media there are various materials, sample questions, and also practice questions. The material presented in the learning media is presented in the form of text books and also learning videos, so that it can facilitate s…
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- 1810246541
Aplikasi Nanopartikel Hematie Didoping Dengan Mangan Untuk Adsorpsi Logam Ber…
ABSTRACT Water pollution by heavy metals is a serious problem in human life and the lives of other living things in particular. The method that can be used is adsorption with Magnetic Nanoparticles. Magnetic nanoparticles were prepared from natural sand in Logas Village, Kuansing Regency using ball milling for 120 hours. The product from ball milling obtained was divided into 3 parts and then …
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- 1603115407
Identjfikasi Degradasi Kualitas Yoghurt-Dadffi Berdasarkan Pengukuran Nilai I…
Yoghurt-curd is a fermented milk product that is favoured by people in the Kampar area. The quality of the curd depends on the number of bacteria and changes in the pH value. The addition of preservatives can increase the storage time of curd, but reduce the quality of the curd itself. This study aims to determine the quality degradation of the curd using the impedance measurement method. Chang…
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- 1803124189
Sintesis Dan Karakterisasi Nanopartikel Oksida Besi Menggunakan Metode Ball M…
This Research has carried out on natural sand originating from the Rokan river, Riau Province by converting it into magnetic iron oxide nanoparticles to determine changes in magnetic properties and particle size. Natural sand samples of the Rokan river were separated between magnetic and non-magnetic particles using an Iron Sand Separator (ISS). ISS products are further synthesized using ball m…
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- 1803111978
Sintesis Dan Karakterisasi Nanopartikel Perak Menggunakan Ekstrak Daun Matoa …
Disposal of industrial waste containing metallic Mercury causes water pollution that is harmful to human health. Colorimetric sensors using silver nanoparticles are the most promising alternative for detecting Mercury-contaminated water. In this study, silver nanoparticles (AgNO3) were synthesized by reacting silver nitrate solution with Matoa leaf extract (Pometia pinnanta) as a bioreducta…
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- 1803110303
Rancang Bangun Sistem Hidung Elektronik Optik Berbasis Infrared Light Emittin…
Saat ini sistem hidung elektronik optik sedang dikembangkan sebagai alternatif dari sistem hidung elektronik semikonduktor. Sistem hidung elektronik optik telah banyak digunakan untuk mengestimasi kualitas buah seperti menentukan tingkat kematangan buah. Proses estimasi ini adalah bagian yang sangat penting dalam sistem sortasi buah secara otomatis. Pada penelitian ini sistem hidung elektronik …
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- 1703113470
Pengaruh Media Eksperimen The Physics Classroom Terhadap Hasil Belajar Kognit…
Less effective use of learning media resulted in students being less active in the learning process resulting in poor learning outcomes. Abstract concepts often make teachers have difficulty in conveying subject matter, especially momentum and impulse material. The purpose of this study was to determine differences in cognitive learning outcomes in classes that applied learning using experiment…
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- 1805112580
Pengembangan Perangkat Pembelajaran Model Investigasi Kelompok (Groups Invest…
The learning tool developed is a group investigation model learning device (Groups Investigation) on sound wave material for junior high school students, consisting of a Lesson Plan (RPP), Student Worksheet (LKPD), and Learning Outcomes Test. Learning Science Physics and validating learning tools for the Group Investigation model (Groups Investigation) on sound wave material. This type of resea…
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- 1505112176
Pengembangan Video Pembelajaran Menggunakan Edpuzzle Berbasis Problem Based L…
The critical thinking ability of students is still very low, one of which is caused by the low level of student involvement in the learning process. One of the efforts to increase student involvement in the learning process is to use relevant learning media. The media in question can be in the form of learning videos using Edpuzzle based on Problem Based Learning to improve students' critic…
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Implementasi Model Pola Aliran Darah Dengan Metode Elemen Hingga
Currently, computer-based simulation methods are widely used in blood flow analysis. The application of this method has been widely used in modeling blood vessels. This article presents an example of a simple blood vessel modeling to determine the velocity of blood flow to diameter and branching of blood vessels in blood flow. The mathematical model of human blood flow through vascular ramifica…
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- 1503117296
Pengaruh Larutan Elektrolit Terhadap Kinerja Superkapasitor Dari Biomassa Pel…
In this study, supercapacitor electrodes were synthesized from areca leaf midrib biomass as a renewable carbon source. The process of making this supercapacitor cell electrode is through a pre-carbonization process, chemical activation, chemical carbonization in N2 gas and physical activation using CO2 gas. Analysis of the physical properties of the carbon electrodes showed that the sample had …
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Sintesis Dan Karakterisasi Fotokatalis Ag/ZnoMenggunakan Ekstrak Kulit Nanas …
Semiconductor-based photocatalyst method in degrading pollutants is the outstanding way to overcome water pollution. In this study, the semiconductor material Ag doped ZnO (Ag/ZnO) was made in powder form using Zn(NO3)2.6H2O, AgNO3 and pineapple peel extract as Zinc source, Ag source and as bioreductant, resepctively. Ag/ZnO samples were synthesized with various percentages of Ag , namely, …
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- 1703113350
Sintesis Nanopartikel Emas Berbentuk Bipiramida Sebagai Bahan Pendeteksi Pest…
This study aims to synthesize and characterize nanobipiramide-shaped gold nanoparticles and then be applied as a test of sensitivity, stability and reability to detect chlorpyrifos in plasmonic sensors. Gold nanobipiramide has been successfully synthesized by seed mediated growth method. The results of the synthesis were characterized using FESEM, XRD, UV-Vis spectroscopy to see the optical pro…
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Analisa Pengaruh Doping Mangan Terhadap Suseptibilitas Magnetik Dan Sifat Kri…
The rotation speed of the tube in ball milling method affects the crystallite size and magnetic properties of the natural sand sample used. The magnetic properties, particle composition and crystallinity properties of Rokan river natural sand as a function of milling tube rotation speed havebeeen studied. The sample of natural sand from Rokan River which has been taken with a mass of 10 kg was …
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Elektroda Karbon Dari Biomassa Ampas Biji Kopi Dengan Variasi Konsentrasi Znc…
Lignocellulosic-based biomass is widely used as the basic material for making supercapacitor cell carbon electrodes, because it can be produced repeatedly which is economical and environmentally friendly. In this research, carbon electrodes were made from a coffee bean waste biomass (ABK) by optimizing the chemical activation process. The process of making this supercapacitor cell electrode is …
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Pengaruh Doping Tembaga Terhadap Suseptibilitas Magnetik Dan Komposisi Serta …
The effect of copper doping on magnetic susceptibility and composition and crystallinity properties of Rokan River natural sand has been investigated. Before going through the ball milling process, the natural sand has been processed using an Iron Sand Separator (ISS) and Neodynium Iron Boron (NdFeb) magnets to separate magnetic and non-magnetic particles, so the result is called an ISS pr…
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- 1803112961
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah