Ditapis dengan
Identifikasi Metabolisme Sel Alga Biosensor Berdasarkan Pengukuran Impedansi
The decline in the quality of aquatic resources due to industrial and agricultural activities and is a threat and impact to existing organisms in the water. Algae are the largest oxygen producers and play an important role in the quality of the waters, the vitality of algae can be seen by the increase in oxygen that the algae emits during photosynthesis. Based on this, in this study the alg…
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- xvi, 62 hlm.: ill.: 29 cm
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- 03 01.121 (0061)
Deteksi Limbah Palm Oil Mill Effluent (Pome) Dengan Biosensor Berdasarkan Fot…
Indonesia is one of the largest producers of palm oil in the world which has 50% of palm oil waste in the form of Palm Oil Mill Effluent (POME) with a high level of Chemical Oxygen Demand (COD), causing pollution in the waters, so a method is needed to detect dissolved levels Oxygen (DO). This study aims to detect contamination of water bodies by POME waste using a biosensor based on the a…
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- xv, 55 hlm.: ill.: 29 cm
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- 03 01.121 (0060)
Pengaruh Ball Milling Dua Tahap Terhadap Suseptibilitas Magnetik Dan Komposis…
The effect of two-stage ball milling on the magnetic susceptibility and particle composition of the natural sands of Rokan River has been carried out. The sample was processed using Iron Sand Separator (ISS). The product of ISS was milled using ball milling for 80 hours using two stage ball milling with time variations for 20 hours, 30 hours and 40 hours with milling ball diameter of 1.5 cm…
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- xxvii, 37 hlm.: ill.: 29 cm
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- 03 01.121 (0059)
Karakterisasi Material Logam Berdasarkan Sifat Magnetik Menggunakan Kurva Mag…
Technological developments in the industrial sector have made very significant progress, one of which is in the material processing industry for metal sorting originating from metal material waste. In this study, a metal type determination system was developed based on the susceptibility value of the magnetization curve. This magnetization curve instrument is a magnetic field measuring ins…
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- xv, 40 hlm.: ill.: 29 cm
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- 03 01.121 (0058)
Pembuatan Dan Karakterisasi Elektroda Karbon Berbahan Daun Ketapang (Terminal…
Utilization of ketapang leaf (Terminalia Catappa L) waste as a supercapacitor electrode has been successfully carried out with variation concentration of ZnCl2 activator, namely 0,3 M, 0,5 M and 0,7 M. Carbon production was started from drying the ketapang leaves in the sun ray and a 110°C oven, pre-carbonization, ball-milling and mortar, sieving, chemical activation, molding, carbonizatio…
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- xvi, 51 hlm.: ill.: 29 cm
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- 03 01.121 (0057)
Pengaruh Variasi Komposisi Dan Temperatur Annealing Pada Pembuatan Film Tipis…
A thin film of Barium Zirconium Titanate fabricated with sol-gel method with composition of x= 0.80 and x= 0.85 was annealed with temperature variation of 550°C, 600°C and 650° C for 1 hour. Barium Zirconium Titanate thin films were characterized using X-Ray Diffraction (XRD) method. Based on the XRD pattern, the lattice parameters, crystal structure, and crystal size can be determined. …
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- xvi, 38 hlm.: ill.: 29 cm
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- No. Panggil
- 03 01.121 (0056)
Penggunaan Pemodelan Sumber Plasma Helium Pada Keadaan Setimbang Untuk Aplika…
Helium plasma source modeling was performed in order to obtain species density at balanced conditions under pressure of 1 atm. The software used in this modeling is matrix laboratory software (MATLAB). The equation used is a continuity equation that depends on the position and parameters of Arrhenius. Plasma temperatures used were 0.1 eV, 0.2 eV, 0.3 eV, and 0.5 eV. Species involved in pla…
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- xv, 69 hlm.: ill.: 29 cm
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- 03 01.121 (0055)
Pengukuran Kandungan Rendemen Buah Kelapa Sawit Menggunakan Metode Impedansi
Today, Indonesia has an area of oil palm plantations and is the number one producer of Crude Palm Oil (CPO) in the world, which is around 24 million tons / year, which meets 47% of the world's vegetable oil needs. Production of fruit with good quantity is able to produce 23.2−27.4% CPO oil content. Farmers find it difficult to know the level of oil content in oil palm fruit due to limited…
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- xvi, 69 hlm.: ill.: 29 cm
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- 03 01.121 (0054)
Aplikasi Sistem Sensor Fiber Bragg Grating Untuk Pendeteksian Simulasi Denyut…
Fiber Bragg Grating (FBG) banyak digunakan untuk mendeteksi detak jantung, karena dapat diterima dalam bentuk tekanan yang mengakibatkan perubahan regangan. FBG dipilih karena memiliki sensitivitas yang tinggi terhadap regangan. Penelitian ini bertujuan untuk merancang dan mengukur perubahan daya keluaran serta menganalisis pengaruh perubahan regangan pada FBG oleh getaran loudspeaker. Peng…
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- xv, 46 hlm.: ill.: 29 cm
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- 03 01.121 (0053)
Analisa Sifat Magnetik Dan Komposisi Partikel Pasir Alam Sungai Rokan Provisi…
The ball milling time affects the magnetic properties its product. Research on the magnetic properties and the product composition of natural sand of the Rokan River as a function of optimum time in ball milling has been done . The natural sand samples of Rokan River that has collected with a mass of 10 Kg were dried under the sun ray before the separation process between magnetic and nonma…
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- xxvi, 38 hlm.: ill.: 29 cm
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- 03 01.121 (0052)
Analisa Tingkat Kematangan Buah Sawit Dengan Injeksi Tegangan Searah
Palm fruit is Indonesia's main communiqué as the largest foreign exchange contributor processed into crude palm oil (CPO). However, the quality of CPO that will be produced is influenced by the right level of maturity of palm fruit so as not to cause losses from the processor. Losses from the palm fruit processing can be overcome using a method that can determine the maturity level of the …
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- xvii, 93 hlm.: ill.: 29 cm
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- 03 01.121 (0051)
Penentuan Parameter Optik Terhadap Pembengkokan Lutut Kaki Menggunakan Serat …
Fiber optics are the right transmission medium to monitor the movement of the human body. One of them is knee activity. Its small size, low cost, lightweight components, biocompatibility, high sensitivity, resistance to electromagnetic interference, and easy to apply in sensor applications make Single Mode Fiber (SMF) and Fiber Bragg Grating (FBG) as sensing sensors that can monitor damage…
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- xvi, 65 hlm.: ill.: 29 cm
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- 03 01.121 (0050)
Analisa Vibrasi Pada Pernapasan Diafragma Menggunakan Single Mode Fiber Dan F…
Optical biosensor has greatly expanded in medical field such as monitoring human blood flow and respiratory. The sensitivity and high transmission speed make Single Mode Fiber and Fiber Bragg Grating have been growing.
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- xviii, 109 hlm.: ill.: 29 cm
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- 03 01.121 (0049)
Suhu Karbonisasi Untuk Aplikasi Sel Superkapasitor Fabrikasi Elektroda Karbon…
Biomass-derived porous carbon is one of the most competitive electrode materials for supercapasitor due to their renewability and sustainability. Electrode materials derived from biomass for supercapacitors are considered as an effective solution to the problems of the energy crisis and the environment deterioration. In this research, the carbon electrode derives from waste of Christmas pal…
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- xv, hlm.: ill.: 29 cm
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- 03 01.121 (0048)
Aplikasi Nanopartikel Magnetik Didoping Dengan Mn Untuk Adsorpsi Logam Berat …
The magnetic nanoparticles were prepared from River Suci Bengkulu beach sand using two-stage ball milling for 120 hours. The product of the ball milling was divided into 3 parts and then doped using manganese (Mn) with a concentration of (0; 5; and 15)% of the total mass magnetic nanoparticles using ball milling for 20 hours. These nanocomposite (α-Fe2O3/Fe3O4+Mn) were used to adsorb some …
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- xvii, 48 hlm.: ill.: 29 cm
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- 03 01.121 (0047)
Sintesis Elektroda Karbon Dari Limbah Biomassa Serabut Palem Putri Untuk Apli…
Supercapacitors are renewable energy storage devices consisting of electrodes, electrolytes, current collectors, and separators. Electrodes are one of the most important components in supercapacitors because they are made of nanoscale materials that have high surface area and porosity. In this study, carbon electrodes were made from palm fiber biomass waste with variations in the physical …
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- xvi, 63 hlm.: ill.: 29 cm
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- 03 01.121 (0046)
Pemetaan Kualitas Perairan Selat Rupat
Anthropogenic activities such as residential, industrial and port activities in Rupat Strait give pressure on the environmental system and damage to the ecosystem. Aquatic ecosystems as the ultimate goal of disposal of anthropogenic activities accommodate waste. Research has been carried out on the quality of the waters in Rupat Strait based on several parameters to determine the distributi…
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- xiii, 55 hlm.: ill.: 29 cm
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- 03 01.121 (0045)
Prediksi Kedalaman Akuifer Dan Kualitas Air Tanah Dengan Menggunaan Metode Ge…
The condition of an inundated and non inundated area is influenced by geology of a particular area. This will affect the condition of the acuifer layer. This research aims to identify the groundwater aquifer layers and quality of groundwater. Measurements was conducted in Delima Village, Binawidya District by using the wenner configuration geoelectric method on two tracks with different geo…
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- xv, 49 hlm.: ill.: 29 cm
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- 03 01.121 (0044)
Pengaruh Variasi Putaran Tabung Ball Milling Menggunakan Bola Keramik Terhada…
Ujungbatu City, Riau Province has been carried out using Pasco Magnetic Probe PS-2162 and Ball Milling method. Samples were prepared using Ball Milling for 10 hours as a function of vial rotation of 100 rpm, 150 rpm and 200 rpm. The results showed that the average value of the magnetic susceptibility of Rokan River natural sand before and after being separated using an Iron Sand Separator …
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- xvii, 44 hlm.: ill.: 29 cm
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- 03 01.121 (0043)
Pengaruh Penggunaan Bola Keramik Dan Bola Besi Pada Tabung Milling Terhadap S…
The effect of the use of iron and ceramic balls in milling tubes on the magnetic susceptibility of natural sand of Rokan River in Riau Province has been carried out. The samples were taken from Rokan River and brought to the Instrumentation and Magnetism laboratory of Riau University to be dried in the sun first, after that the magnetic and non magnetic particles were separated using an Iro…
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- xxvii, 48 hlm.: ill.: 29 cm
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- No. Panggil
- 03 01.121 (0042)
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah