Ditapis dengan
Pengaruh Waktu Ball Milling Terhadap Besaran Magnetik Dan Komposisi Kandungan…
Research on magnetic characteristic and element content identification from the natural sand of the Rokan River in Riau Province has been done. Sand samples were taken from 5 points with 10 kilograms per point from Rokan River. The samples are dried in the sun before separation between magnetic particles and non-magnetic particles using Iron Sand Separator, this result is called concentrate 1. …
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- xxx, 52 hlm.: ill.: 29 cm
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- 03 01.120 (0035)
Karakterisasi Komponen Penyusun Rasa Manis Buah Menggunakan Metode Impedansi …
The components of sweetness of fruit consist of fructose, glucose and sucrose. The amount of sugar that makes up the sweetness of the fruit always varies but the total amount has never exceeded 30%, so characterization is needed to determine the nature of amount of sugar at various concentrations. Characterization is based on impedance measurements using a PCI 6221 card for data acquisition con…
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- xiv, 49 hlm.: ill.: 29 cm
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- 03 01.120 (0034)
Sintesis Dan Karakterisasi Nanopartikel Perak Menggunakan Ekstrak Kulit Buah …
Silver nanoparticles were successfully synthesized using red dragon fruit peel extract (Hylocereus polyrhizus) as a bioreductor. The synthesis process was mixed the solution AgNO3 1 mM and red dragon fruit skin extract with a volume comparison of 1:3, 1:5 and 1:7 and then mixed with a few drops of NaOH solution 1M until the solution has a pH of 10 each. The solution was stirred using a magn…
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- xv, 68 hlm.: ill.: 29 cm
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- 03 01.120 (0033)
Analisa Suseptibilitas Magnetik Dengan Kandungan Logam Berat Akibat Polutan K…
Research on the importance of magnetic susceptibility, mass susceptibility and heavy metal content due to automotive contaminants has been performed. The method used to identify heavy metals in this research is experimental method. magnetic susceptibility and X-ray fluorescence. Samples were collected from three main roads in Pekanbaru city namely : Sudirman Street, Ahmad Yani Street and Panger…
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- xxxIV, 45 hlm.: ill.: 29 cm
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- 03 01.120 (0032)
Pengembangan Lkpd Pembelajaran Ipa Berbasis Pendekatan Sets Untuk Meningkatka…
This study aims to develop LKPD for science learning based on the SETS approach to improve students' conceptual understanding of global heating material for grade VII SMP and to find out the validity of the science learning worksheet that has been developed. The science learning LKPD development model used is the Research and Development (R & D) model with the 4D model design developed by S. Th…
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- ix, 79 hlm.: ill.: 29 cm
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- 05 08. 121 (0021)
Pengembangan Video Pembelajaran Berbasis Powtoon Dengan Pendekatan Flipped Cl…
Student motivation is still low, time is limited in learning physics, and there are some abstract learning materials that are difficult to understand, resulting in misconceptions. So a research was carried out on the development of powtoon-based learning videos with the flipped classroom approach on temperature and heat material for class XI SMA which aims to develop and determine the validity …
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- viii, 193 hlm.: ill.: 29 cm
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- 05 08. 121 (0020)
Pengembangan Media Pembelajaran Video Interaktif Berbasis Explaindio Untuk Me…
The student centered of physics instruction necessitates students to acquire theories, concepts, and principles of physics which are independently constructed by the students themselves. Few if any students enable to understand the complex and abstract concepts of physics theories as it provides diverse symbols, illustrations and equality. The conventional instructional process appears not to f…
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- 10 23. 221 (0001)
Biosintesis Dan Karakterisasi Lapisan Zno Menggunakan Ekstrak Kulit Citrullus…
The biosynthesis of ZnO photocatalyst material in the form of thin films is increasingly needed as an environmentally friendly alternative to chemical and physical methods, especially in large-scale water purification processes. The aim of this research is to produce a ZnO-based photocatalyst material in the form of a thin layer through an environmentally friendly method and optimize the surfac…
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- xiv, 80 hlm.: ill.: 29 cm
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- 10 17. 221 (0003)
Analisa Pengaruh Komposisi Dan Laju Suhu Annealing Material Ferroelektrik Baz…
Ferroelectric is one unique materials to be studied and investigated. This material is also applied as a device in electronics such as capacitors, because this material is a dielectric material that has spontaneous polarization and has the ability to change its internal polarization using an appropriate electric field. In this study to increase the capacitance and the dielectric constant values…
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- xvi, 56 hlm.: ill.: 29 cm
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- 10 17. 221 (0002)
Sintesis Dan Karakterisasi Micro-Flower Zno Menggunakan Ekstrak Kulit Ananas …
The Preparation of ZnO nanoparticles with a method that is simple, inexpensive and utilizing plant extracts as surfactants and stabilizing agents such as hexamethyl tetramine (HMT) and polyvinyl pyrolidone (PVP) and to produce a unique morphology with biosynthetic method has attracted much attention of researchers. In this study, the biosynthesis of ZnO nanoparticles was carried out using the p…
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- xiii, 66 hlm.: ill.: 29 cm
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- 10 17. 221 (0001)
Pengembangan Media Pembelajaran Fisika Berbasis Mobile Augmented Reality Pada…
This study aims to create a product in the form of a printed module and a CD containing AR applications. The AR application on the CD is transferred and installed to the mobile phone. Augmented reality technology in the form of 3D animation and video appears by scanning markers or images in the module using the AR application camera on the mobile phone. One of the 3D animations shown is the ear…
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- x, 129 hlm.: ill.: 29 cm
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- 05 08. 121 (0019)
Diagnosis Kesulitan Belajar Fisika Siswa Kelas X Pada Masa Pandemi Corona Di …
This study aims to find out the learning difficulties of students in grade X straight motion materials during the corona pandemic at SMA Negeri 1 Keritang. The population in this study was all students of grade X MIPA at SMA Negeri 1 Keritang. Samples in this study were taken in a simple random sampling so that 29 students were obtained in the study sample. Instruments in this study used diagno…
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- xii, 139 hlm.: ill.: 29 cm
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- 05 08. 121 (0018)
Pengembangan Instrumen Tes Diagnostik Two-Tier Untuk Mengidentifikasi Miskons…
Misconceptions cause new knowledge that students have cannot be connected with their cognitive knowledge so that the understanding of the student's concept becomes weak. This indicates that misconceptions need to be identified as early as possible. One way to identify misconceptions is to use diagnostic test instruments. The study aims to develop two-tier diagnostic tests on light subject matte…
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- ix, 124 hlm.: ill.: 29 cm
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- 05 08. 121 (0017)
Pengembangan Media Pembelajaran Fisika Dengan Menggunakan Aplikasi Articulate…
This study aims to design and produce physics learning media using the Articulate Storyline 3 application on Newton's law material for class X which is valid. The research method used is research and development or Research and Development with the ADDIE development model. The ADDIE stage carried out is Analysis, Design, and Development. Media validation is seen from 5 aspects, namely the subje…
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- viii, 120 hlm.: ill.: 29 cm
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- 05 08. 121 (0016)
Pengembangan Instrumen Tes Pemahaman Konsep Materi Momentum Dan Impuls
The test instrument developed was a multiple choice comprehension test instrument on momentum and impulse material. The purpose of this study was to determine the validity, reliability, level of difficulty, differentiation and deception function of the concept understanding test instrument. This type of research is research and development (R&D) with the Plomp development model. The research in…
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- viii, 95 hlm.: ill.: 29 cm
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- 05 08. 121 (0015)
Penggunaan Media Pembelajaran Simulasi PhET (Physics Education Technology) un…
This study aims to describe and determine the increase in student learning motivation by using PhET simulation learning media on electromagnetic induction material for class XII SMA Negeri 1 Kampar Timur. This type of research is quantitative, and the research design used was the pretest-posttest control group design. The subjects of this study were students of class XII SMA Negeri 1 Kampar Tim…
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- viii, 101 hlm.: ill.: 29 cm
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- 05 08. 121 (0014)
Pengembangan Lembar Kerja Peserta Didik Berbasis Laboratorium Virtual Pada Ma…
Learning physics is a process of interaction between students and the environment that makes physics a product, attitude, and skill both face-to-face and online. In the midst of the Covid-19 pandemic, teaching and learning activities are carried out at home, including practicum. Therefore, an application is needed to perform virtual lab work, one of which is the PhET simulations. However, not a…
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- x, 118 hlm.: ill.: 29 cm
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- 05 08. 121 (0013)
Pengembangan Perangkat Pembelajaran Ipa Menggunakan Model Problem Based Instr…
The learning tools that developed in this research is science learning tools using the Problem Based Instruction (PBI) model on temperature and heat material in grade VII Junior High School. It consists of Lesson Plan, Student Worksheet, and Cognitive Evaluation Question. The purpose of this research is to produce valid physics learning tools using the Problem Based Instruction (PBI) model and …
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- x, 103 hlm.: ill.: 29 cm
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- 05 08. 121 (0012)
Pengembangan Perangkat Pembelajaran Berbasis Model Pembelajaran “Ropes” P…
The developed learning media in this research based on ROPES learning model in optics matter for grade XI student of senior high school which consist of learning implementation plan (RPP), student worksheet (LKPD) and students cognitive achievement. This research is aimed to produce learning media based on ROPES Learning model that are valid in optics for XI grade student of senior high school.…
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- viii, 125 hlm.: ill.: 29 cm
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- 05 08. 121 (0011)
Pengembangan Perangkat Pembelajaran Fisika Berbasis Kooperatif Tipe Course Re…
The learning device developed is a physics learning tool using a cooperative model type Course Review Horay (CRH) class X SMA on momentum and impulse material, consisting of a Learning Implementation Plan (RPP), Student Worksheets (LKPD), and cognitive learning outcome test instruments. . The purpose of this study was to produce a physics learning device using a cooperative model type Course Re…
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- ix, 116 hlm.: ill.: 29 cm
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- No. Panggil
- 05 08. 121 (0010)
Karya Umum 
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Ilmu-ilmu Sosial 
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Kesenian, Hiburan, dan Olahraga 
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Geografi dan Sejarah