Ditapis dengan
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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- 1810246303
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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- 1503113472
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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- 1503113094
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
Pengaruh Suhu Penumbuhan Terhadap Sifat Fisis Nanorod Zno Didoping Niobium
ZnO is an important multifunctional material for many different applications in biosensors such as light-emitting diodes (LED), UV sensors and widely used in fabrication of solar cell devices. The performance of such devices strongly depends on the nanostructures of the thin film used. This research was conducted to analyze the effect of variations in growth temperature of 70℃, 80℃, 90℃ a…
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Rancang Bangun Teknologi Pengering Pasca Panen Untuk Pengeringan Keripik Ubi …
Cassava is the second largest agricultural product in Indonesia from agricultural food after rice, so cassava has the potential of raw material for industry. Cassava can be processed into potato chips. Sweet potato chips are one type of cassava that has a wet texture because the water content is 40-70% so it cannot be stored for a long time. There are several ways to make sweet potato chips las…
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- 1803111075
Analisa Regangan Serat Kisi Bragg Pada Aliran Fluida Menggunakan Tabung Silinder
Fiber optic sensors have become a concern of scientists, which causes optical fibers to be widely used as strain and temperature sensors. fiber bragg grating is one type of optical fiber that has high sensitivity and transmission speed so that the use of fiber bragg grating is growing. This research aims to analyze the strain of fiber bragg grating in fluid flow using a cylindrical tube due to …
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- 1803124179
Analisa Aliran Fluida Pada Tabung Silinder Dengan Menggunakan Serat Kisi Bragg
Fiber Bragg Grating (FBG) is an optical sensor component that has better performance than other optical and electronic components. FBG is small, extremely sensitivity to temperature and strain, immune to electromagnetic wave interference and multiplex-resistant. In this study, FBG was used to monitor the fluid flow rate in a pipe by analyzing the FBG’s output power. This research was des…
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- 1703113382
Kinerja Pembangkit Listrik Tenaga Hybrid Menggunakan Turbin Vortex Dan Panel …
Indonesia has many watersheds whose utilization has not been optimal. Most of the locations of these rivers are located in remote areas. Indonesia as maritime country with a tropical climate has large sources of renewable energy, especially water and solar energy. Water energy potential in Indonesia reaches 94.3 GW and solar energy potential reaches 207.8 GWp. This innovation is the latest hybr…
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- 1803111822
Potensi Nanopartikel Perak Hasil Biosintesis Menggunakan Ekstrak Kulit Buah K…
Mercury detection using colorimetric methode based on color change of silver nanoparticles is simple alternative, accurate and cost-effective method. This study aims to synthesize silver nanoparticles using sentul fruit peel extract as an environmentally friend reducing gent. Silver nanoparticles were prepared by varyating the ratio of the volume of AgNO3 solution with the extract, namely, …
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- 1803112040
Sintesis Karbon Aktif Berbasis Daun Jeruk Nipis (Citrus Aurantifolia S) Sebag…
Physical activation temperature has significant impact to improve physical properties of activated carbon temperatures of 800ºC, 850ºC, and 900ºC for supercapacitor cell applications. In this study, the synthesis of porous carbon was carried out through several stages, that is pre-carbonization, chemical activation using ZnCl2, carbonization using N2 gas at a temperature of 600ºC, and physi…
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Biosintesis Fotokatalis Seng Oksida Menggunakan Ekstrak Daun Matoa Dengan Var…
Pollutant degradation through advanced oxidation processes requires semiconductor materials that can be provided by environmentally friendly processes. The manufacture of semiconductor materials through a biosynthetic process assisted by microwave irradiation can minimize the use of hazardous chemicals with an energy-efficient process. This study aims to synthesize ZnO semiconductors and analyz…
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- 1803112402
Perancangan Dan Analisis Karakteristik Metamaterial Kombinasi Array 3 X 3 Seb…
The development of methods for generating ordinary materials with electromagnetic wave engineering continues to be carried out for industrial purposes, especially in the telecommunications sector where communication systems require antennas to transmit and receive electromagnetic waves. The use of metamaterials as reflectors is used to penetrate the boundaries to meet the specifications an…
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- 1803112031
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