Karakterisasi Dan Klasifikasi Lemak Hewani Menggunakan Metode Impedansi Bioel…

This research was conducted to determine the differences in fat types from various types of animals based on the structure of animal tissues as measured by differences in impedance, admittance, real, imaginary, and phase angle values. The data were investigated using the Principal Component Analysis (PCA) multivariate statistical method. The impedance measurement process is carried out with an …

Pengukuran Kualitas Daging Sapi Mentah Dengan Metode Impedansi Spektroskopi

Population growth and increased income in developing countries have resulted in the need for animal protein, where the demand for protein has increased from 23.1 kg/person/year until 42.20 kg/person/year, for beef consumption. Beef is the most popular food in the world but meat is the most perishable food ingredient. It is necessary to evaluate the quality of beef in order to not to consume mea…

Pembuatan Dan Karakterisasi Elektroda Karbon Superkapasitor Berbahan Dasar As…

Energy storage device using electrodes derived from biomass is an interesting field due toits potential for replacing commercial activated carbons by lowering the production costs without compromising its performance.This research used Garcinia xanthochymus as based material to produce carbon electrodes at various carbonization temperatures of 700oC, 800oC and 900oC. The structure, morphology a…

Elektroda Karbon Dari Pelepah Kurma (Phoenix Dactylifera) Menggunakan Aktivas…

This research deals with carbon electrodes made from date palm midrib biomass by varying physical activation temperatures of 700°C, 800°C, and 900°C with sample codes PK-700, PK-800, and PK-900. Electrodes are made with several stages such as pre-carbonization, chemical activation with KOH activators, carbonization at 600 °C with N2 and physical activation with CO2 . The highest density val…

Prediksi Curah Hujan Di Kota Pekanbaru Menggunakan Metode Jaringan Saraf Tiru…

Pekanbaru City is a city with a tropical climate with a minimum air temperature of 20.2ºC-23.0ºC and a maximum of 34.1ºC-35.6ºC and precipitation of 38.6- 435.0mm/year with the average rainy season from September until April. A prediction of precipitation is required to avoid the impact caused by the high precipitation. This research aims to predict the precipitation period of Pekanbaru Cit…

Pengembangan Instrumen Tes Sumatif Berbantuan Software Wondershare Quiz Creat…

The type of research used is Research and Development (R & D) using the 4D model (Define, Design, Development and Dissemination) which aims to develop a summative test instrument in physics learning in the odd semester of X grade SMA assisted by Wondershare Quiz Creator software as a medium for making computer-based test. The test instrument consists of 40 multiple choice questions with 5 answe…

Efektivitas Model Pembelajaran Guided Discovery Learning Berbantuan Virtual L…

This study aims to determine students' science process skills after using the guided discovery model assisted by the virtual PhET lab on vibration and wave materials and the effectiveness of the application of the guided discovery learning model assisted by the virtual PhET lab. This research was conducted at SMPN 2 Siak. The research method used is a quasi-experimental design with a posttest o…

Efektivitas Penggunaan Media Kit Mekanika Untuk Meningkatkan Kemampuan Mengan…

The ability to analyze physics is one of the skills needed in today's 21st century. This study aims to determine the ability to analyze students and to determine the difference in the ability to analyze high school students using the KIT Mechanics media and not using the media in the Business and Energy material for class X SMA Negeri 1 Kandis. This type of research is a quasi-experimental desi…

Pengembangan Video Pembelajaran Berbasis Konstekstual Menggunakan Adobe Flash…

Physics is a subject that is less attractive to high school students in general, this is due to the lack of applications of physics in everyday life, especially in the matter of equilibrium and rotational dynamics. Therefore, the purpose of this study was to develop a video lesson on the subject of equilibrium and class rotation dynamics using a valid Adobe Flash application. The type of resear…

Penerapan Model Pembelajaran Poe Berbantukan Phet Simulation Untuk Meningkatk…

Concept understanding is defined as the ability of an individual to understand a certain concept. Students can not be said to have an understanding of the concept if students have not been able to explain the material that has been studied. At this time the learning process is still not optimal in developing the abilities of students. The application of the POE learning model assisted by PhET s…

Pengembangan Perangkat Pembelajaran Berbasis Scientific Investigation Untuk M…

The development of Science and Technology has led the word to the industrial revolution 4.0 which requires a teacher to be able to keep up with the times. In addition, the lack of use of innovative and interesting leanring tools for students, so it is necessary to develop practical and interesting teaching materials based on scientific investigation. Thare are also learning tools used in the fo…

Pengembangan Video Animasi Penuntun Eksperimen Dengan Menggunakan Aplikasi Po…

This research aims to develop an experimental guide animation video using the Powtoon application on Momentum and Impulse material for class X SMA and to produce a valid experimental guide animation video media and worthy to be used as learning media in the classroom. The type of this research is Research and Development with ADDIE development model (Analysis, Design, Development, Implemen…

Implementasi Media Pembelajaran Berbasis Pendekatan Saintifik Menggunakan Aug…

The purpose of this study is to describe the effectiveness of the application of learning media based on a scientific approach using augmented reality to improve students' critical thinking skills. The design used is a quasi-experimental: Posttest only control group design. The population in this study were all grade VII students of SMP Negeri 23 Pekanbaru in the academic year 2021/2022 with a …

Hasil Belajar Kognitif Siswa Melalui Model Problem Based Learning Berbantuan …

Cognitive learning outcomes are one of the aspects obtained in the learning process. To find out the knowledge of students, cognitive ability tests were carried out. The purpose of this study is to determine the increase in students' cognitive learning outcomes and to determine the differences in cognitive learning outcomes of students who study using a PhET-assisted problem based learning mode…

Penerapan Model Pembelajaran Kooperatif Tipe Role Playing Pada Materi Tata Su…

This study aims to describe students' conceptual understanding and determine the improvement of students' conceptual understanding by applying a role playing type of cooperative learning model. The type of research used is Quasi Experimental, with a Nonequivalent Control Group Design. The subjects of this study were students of class VII MTs N 1 Padangsidimpuan, which consisted of 60 stude…

Pengaruh Kecepatan Putaran Tabung Ball Milling Terhadap Komposisi Morfologi D…

The speed of ball milling vial affects the magnetic properties of its product. Research on the composition, morphology and magnetic properties of natural sand particles from Rokan River as a function of the vial speed . The sample of natural sand is available in magnetic labolatory with a mass of 10 Kg and then dried under the sun ray before the separation process between magnetic and nonma…

Pengembangan Media Pembelajaran Berbasis Aplikasi Android Dengan Pendekatan I…

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1705122071

Implementasi Pembelajaran Menggunakan Model Kooperatif Tipe Stad Berbantuan M…

One of the problems that exist in the world of education is the low cognitive learning outcomes of students. Based on the facts in the field, students' cognitive learning outcomes are low due to several factors including the use of inappropriate learning models and media so that the learning atmosphere feels boring and causes students' learning motivation to become lower which also affects stud…

Pengembangan E-Module Berbasis Kontekstual Menggunakan Aplikasi Exe Learning …

The problems faced today by both teachers and students in learning physics include: the lack of variations in the teacher's teaching methods in delivering material to students, the low motivation of students to learn physics and the lack of media used by teachers in delivering the material. From the problems above, the researchers tried to provide a solution, namely by developing contextual-bas…

Elektroda Karbon Dari Biomassa Kulit Salak Pondoh Dengan Variasi Aktivator Ki…

Supercapacitor is a renewable energy storage device that has a very large power density and charge storage capacity. The main components of a supercapacitor are electrodes, electrolyte, current collector and separator. In this research, carbon electrodes were made from shell biomass of salak pondoh with various chemical activators with respective sample codes, namely KS-ZnCl2, KS-KOH and KS…