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Efek Tegangan Listrik Searah Terhadap Buah Kelapa Sawit
The palm oil industry has developed rapidly, both in terms of cultivation and development of its derivative products. Palm oil is classified as a crop that requires extra care to obtain the optimal productivity. The study for understanding characteristics of oil palm under various conditions is feasible in order to optimize the productivity. Identification of bio-electrical properties of pl…
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- xii,31 hlm.: ill.: 29 cm
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- 03 01.120 (0116)
Preparasi Karbon Aktif Daun Syzygium Oleana Melalui Aktivasi Naoh Dan Variasi…
Elektroda superkapasitor berbiaya efektif dan berkinerja tinggi disiapkan dengan menggunakan daun pucuk merah (Syzygium oleana). Pirolisis terpadu satu tahap yang sederhana dilakukan untuk mendapatkan monolit karbon aktif berpori tanpa penambahan bahan sintetis. Sampel karbon diaktivasi secara kimiawi dengan menggunakan Natrium Hidroksida. Empat temperatur karbonisasi yang berbeda yaitu 55…
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- xvi, 41 hlm.: ill.: 29 cm
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- 03 01.120 (0115)
Pembuatan Dan Karakterisasi Elektroda Berbasis Karbon Aktif Mesokarp Buah Bin…
Supercapacitor is an energy storage device that has the ability to store energy and power on a large scale. The Supercapacitor is composed of several components, such as current collectors, separators, electrolytes, and electrodes. The electrode is one of the important components in supercapacitors cells. A production of activated carbon made from mesocarp of Bintaro fruit as a supercapacit…
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- xiv, 79 hlm.: ill.: 29 cm
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- 03 01.120 (0114)
Pemetaan Laju Dosis Radiasi Di Sekitar Instalasi Radioterapi Rsud Arifin Achm…
The Regional General Hospital (RSUD) Arifin Achmad Pekanbaru, has installed a Linear Accelerator (LINAC) radiotherapy facility since 2009. Mapping of radiation intensity around LINAC is needed to anticipate the effects caused by radiation sources on workers, patients and the community in the installation environment. This study aims to estimate the accumulated radiation dose received by wo…
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- xv, 51 hlm.: ill.: 29 cm
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- 03 01.120 (0113)
Survei Sumber Air Panas Dengan Metode Geolistrik Konfigurasi Wenner (Studi Ka…
One of the geothermal systems in Riau is in Pawan Village, Rokan Hulu District. This geothermal system is stored in rocks beneath the earth's surface, so it is necessary to survey hot springs. The purpose of this study is to analyze the subsurface resistivity value and identify the rock layers below the surface in Pawan Hot Spring tourist attraction. The method used is Wenner configuration …
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- xiv, 37 hlm.: ill.: 29 cm
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- 03 01.120 (0112)
Penentuan Sifat Magnetik Dan Struktur Partikel Oksida Besi Pasir Pantai Sunur…
Iron oxide nanoparticle is particle with a diameter between 1-100 nanometers. The iron oxide of natural sand consists of magnetite (Fe3O4), hematite (α-Fe2O3), or maghemite (γ-Fe2O3). The aims of this study is to prepare magnetic nanoparticles from Sunur Beach sand Pariaman district West Sumatera using a two-stage ball milling technique and determine their magnetic and structural properties. …
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- xxviii, 25 hlm.: ill.: 29 cm
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- 03 01.120 (0110)
Mengidentifikasi Nilai Xm Dan Kandungan Logam Berat Air Sumur Bor Masyarakat …
Most people in urban areas use drilled wells as a source of water to meet their daily needs. This study aims to identify the value of magnetic susceptibility and heavy metal content in community drilled well water in Perumnas Rumbai, Rumbai Pesisir district. The Quincke method is used to determine the magnetic susceptibility value of a sample in the form of a liquid which consists of two s…
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- xvi, 52 hlm.: ill.: 29 cm
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- 03 01.120 (0109)
Model Dispersi Moda Polarisasi Dengan Simulasi Spektra Gelombang Cahaya
Optical fiber represents a dielectric medium that can propagate as signal information in the form of waves. Since it is used for long distance communication which is able to affect the wave pattern although it launches in high speed then it is neccersary to control the wave signal properly. This study conducts the dispersion that occurs in single mode fiber (SMF) due to birefringence and di…
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- xx, 52 hlm.: ill.: 29 cm
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- 03 01.120 (0108)
Identifikasi Air Tanah Dangkal Menggunakan Metode Geolistrik Konfigurasi Wenn…
Water is the main requirement for living things. Broadly speaking, water is divided into surface water and subsurface water. This study uses the Wenner Configuration Geoelectric method to identify shallow groundwater on Jalan Matoa Raya Sidomulyo Barat with coordinates N 0˚26'30,19214 '' and E 101˚24'20,3602 ''. This research was taken by the Wenner Configuration Geoelectric method because th…
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- xvi, 49 hlm.: ill.: 29 cm
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- 03 01.120 (0107)
Karakteristik Larutan Ion Nacl Didalam Medan Magnet Yang Berotasi
Experiments on the motion of charged ions in a magnetic field were carried out in order to obtain the information and understand the motion of NaCl ions in accordance with the Lorentz force. In this study, measurements were performed without a magnetic field and under a magnetic field. Two different rotational speeds such as 657,1 rpm and 556,9 rpm as a function of salt concentrations of s…
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- xv, 28 hlm.: ill.: 29 cm
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- 03 01.120 (0106)
Interpretasi Kedalaman Akuifer Untuk Menentukan Potensi Air Tanah Menggunakan…
Interpretation of Aquifer Depth to Determine Groundwater volume Using the Geoelectric Method of Schlumberger Configuration in Tangkerang Utara Pekanbaru has been carried out. This research was done due to the decreasing of water surface both in terms of quality and quantity caused by increasing number of population and agricultural activities with decreasing green open space in (2014 -2019…
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- xvi, 47 hlm.: ill.: 29 cm
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- 03 01.120 (0105)
Pengaruh Variasi Temperatur Annealing Terhadap Sifat Fisis Lapisan Tipis Bazr…
The aim of this study was to analyze the gap energy and crystal structure of Barium Zirconium Titanate (BZT) thin film with three composition variation namely BaZr0,85Ti0,15O3, BaZr0,9Ti0,1O3 dan BaZr0,95Ti0,05O3. The Thin film were deposited by sol-gel method which prepared by spin coater of 3000 rpm rotary speed for 30 seconds. The thin film ware grown using two annealing temperatures of 600�…
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- xv, 53 hlm.: ill.: 29 cm
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- 03 01.120 (0104)
Penentuan Potensi Air Tanah Dengan Metode Geolistrik Konfigurasi Schlumberger…
The determination of groundwater potential has been done on the labersa road of Simpang Tiga Village, Bukit Raya District, Pekanbaru City, Riau Province. using the Geoelectric Method Schlumberger Configuration. This research is motivated by the potential for surface water that is decreasing due to increased population growth and agriculture in 2014–2019 in Simpang Tiga Village. This rese…
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- xviii, 33 hlm.: ill.: 29 cm
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- 03 01.120 (0103)
Optimasi Pembuatan Elektroda Karbon Superkapasitor Dari Serat Sabut Kelapa Me…
Biomass-derived porous activated carbon materials have been receiving considerable attention in energy-storage devices especially for supercapacitor due to abundant, renewable, sustainable, and cost-effective production. In this study, porous activated carbon material with monolithic form has been successfully prepared from coconut husk fiber through one-stage integrated pyrolysis and ZnCl2 imp…
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- xvi, 50 hlm.: ill.: 29 cm
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- 03 01.120 (0102)
Pengaruh Komposisi Dan Suhu Annealing Terhadap Energi Gap Film Tipis Barium Z…
Thin films of Barium Zirconium Titanate (BZT) with the composition BaZr0,8Ti0,2O3, BaZr0,75Ti0,25O3, and BaZr0,7Ti0,3O3 were prepared using the sol-gel method prepared by spin coating at a speed of 3000 rpm for 30 seconds. The annealing temperature of each composition was 600oC and 650oC, which were annealed for 1 hour. Thin films were characterized using ultraviolet-visible spectroscopy to…
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- xiv, 49 hlm.: ill.: 29 cm
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- 03 01.120 (0100)
Klasifikasi Kematangan Tbs Kelapa Sawit Menggunakan Metode Pencitraan Multisp…
Sorting and grading FFB (fresh fruit brunch) are important tasks in order to obtain high quality CPO (crude palm oil). Multispectral imaging is an alternative to hyperspectral imaging to be implemented in a high speed sorting machine due to less bandwidths used. Hence, less processing time is needed. This study aims to use a multispectral imaging system for oil palm FFB maturity classificat…
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- xiv, 55 hlm.: ill.: 29 cm
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- 03 01.120 (0099)
Pengembangan Alat Pengukur Ketinggian Air Pada Lahan Gambut Menggunakan Senso…
The height of the water level in peatlands greatly affects the peatland ecosystem. Poor water management on peatlands is one of the triggers for the destruction of peatlands. The water level of the peat that must be maintained to maintain the stability of the peatland is 40 cm. This research used an experimental method of measuring the water level in peatlands using the ultrasonic sensor H…
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- viii, 43 hlm.: ill.: 29 cm
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- 03 01.120 (0098)
Karakterisasi Perbedaan Suhu Annealing Film Tipis Bazr0,3ti0,7o3 Dengan Mengg…
A thin layer of Barium Zirconium Titanate (BaZr0,3Ti0,7O3) will be grown on a glass substrate using sol-gel method with variations in annealing temperature assisted by a spin coating process at 3000 rpm for 30 seconds. The BaZr0,3Ti0,7O3 thin layer was annealed for 1 hour at a temperature of 600 C and 650 C. Characterization was carried out using X-Ray Diffractometer (XRD) to determine the cr…
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- xv, 41 hlm.: ill.: 29 cm
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- 03 01.120 (0097)
Survey Pemetaan Kedalaman Air Tanah Di Daerah Gambut Dengan Menggunakan Metod…
Mapping survey of underground water depth in the village of Rimbo Panjang using the Schlumberger geo-electric method has been done. Data was collected using resistivity meter equipment at three points of the track with a length of 120 meters. The data obtained are current strength (I), potential difference (V) and the resistance (R). The data was processed using a progress and then the soil…
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- xiii, 46 hlm.: ill.: 29 cm
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- 03 01.120 (0096)
Pemodelan Filter Akustik Untuk Frekuensi Rendah Dengan Menggunakan Metode Kom…
Acoustic filter model to pass low frequency (low pass filter) in a 2 dimensional pipe has been carried out using computational methods. This study is aimed to model the acoustic wave flow pattern in the pipe and calculate its transmission coefficient. The research is aimed for simplicity, the pipe used in this study was a 2-dimensional model to enlarge the variation of pipe geometries with 1, 2…
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- xv, 39 hlm.: ill.: 29 cm
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- 03 01.120 (0095)
Karya Umum 
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