Ditapis dengan
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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- 03 01.121 (0042)
Reparasi Nanopartikel Magnetik Dengan Metode Ball Milling Dua Tahap Dan Aplik…
Environmental pollution by heavy metals becomes a serious problem with the increasing use of heavy metals in the industrial field. One of the widely used methods for removing heavy metals from liquid waste is adsorption using magnetic nanoparticles. Samples of beach sand that have been processed with an Iron Sand Separator (ISS) and separated by NdFeB (Neodymium Iron Boron), crushed by bal…
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- xxxii, 55 hlm.: ill.: 29 cm
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- 03 01.121 (0041)
Analisa Pemanfaatan Limbah Kedelai Sisa Pengolahan Tahu Sebagai Elektroda Sup…
Utilization of soybean waste from tofu processing or tofu dregs as a basic material in fabrication of supercapacitor cell electrodes has been successfully carried out by varying types of activators using ZnCl2, NaOH and H3PO4. Activated carbon from tofu dregs was prepared through several steps such as drying, precarbonization, refining, chemical activation, pellet molding, carbonization and…
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- xvi, 61 hlm.: ill.: 29 cm
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- 03 01.121 (0040)
Fabrikasi Film Tipis Barium Zirkonium Titanat Bazrxti(1-X)O3 Menggunakan Meto…
A thin film of Barium Titanate (BaTiO3) was doped by Barium Zirconat (BaZrO3) that produced the film in the form of BaZrxTi1-xO3 or BZT. This material has a high dielectrict constant. The BZT thin films were prepared with a composition variation x=0,7 and x=0,75 using sol-gel method. These samples were annealed at temperature of 600°C and 650°C for an hour. The thin films of BZT were cha…
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- xiv, 42 hlm.: ill.: 29 cm
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- 03 01.121 (0039)
Visualisasi Optik Berbasis Web Sebagai Media Pembelajaran Fisika Di Sekolah M…
Optics visualization learning media has been developed by several researchers before, still has shortcomings, including visualization of the formation of biconvex and biconcave thin lenses only, visualization which is not integrated with the material in one learning media, has not been equipped with practice questions and evaluations. This study aims to develop a valid optics visualization…
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- xvii, 194 hlm.: ill.: 29 cm
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- 10 23. 220 (0012)
Sintesis Dan Karakterisasi Partikel Zno Yang Disintesis Menggunakan Ekstrak K…
Abstract Zinc oxide (ZnO) is a metal oxide semiconductor that has a wide range of applications in many fields and can be easily produced in various microstructure. The fabrication of ZnO particle through green synthesis method was chosen as an alternative to replace chemical and physical methods, Green synthesis use natural ingredients derived from plant extracts. In this study, ZnO was sy…
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- ix, 79 hlm.; ill.: 29 cm
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- 03 01. 121 (0038)
Pembuatan Elektroda Karbon Dari Biomassa Kulit Petai (Parkia Speciosa) Dengan…
ABSTRACT Synthesis of carbon electrode based on petai peel biomass has been succesfully made using a variation of concentration of KOH activator. The synthesis was started by drying the samples under the sun ray, and then drying them using an oven at temperature of 110° C then the samples entered the pre-carbonization process on 250° C. The samples were mashed then with ball milling and …
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- ix, 79 hlm.; ill.: 29 cm
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- 03 01. 121 (0037)
Optimalisasi Sensitivitas Sensor Linear Variable Differential Transformer Den…
ABSTRACT Linear Variable Differential Transformer (LVDT) is a positioning and displacement sensor that is widely used in the industrial field because it has extreme heat resistance, high accuracy, excitation and precision and has a relatively small sensitivity level of 61.8 mV/mm. In this study the sensitivity of LVDT sensor can be increased using vitrovac soft magnetic material 6025F (wi…
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- ix, 79 hlm.; ill.: 29 cm
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- 03 01. 121 (0036)
Analisa Sifat Fisis Seng Oksida Yang Disintesis Menggunakan Ekstrak Kulit San…
ABSTRACT Zinc oxide (ZnO) synthesis using natural bioreductants has attracted the attention of many researchers because it is environmentally friendly and non-toxic. In this study, ZnO synthesis was carried out using sandoricum koetjape peel extract as biological reduction agent from its precursor (zinc nitrate hexahydrate) at the temperature of 60° for 2 hours. The as-prepared ZnO sample…
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- ix, 79 hlm.; ill.: 29 cm
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- 03 01. 121 (0035)
Karakterisasi Unjuk Kerja Termoelektrik Generator Tipe 10w-4v-40S Berdasarkan…
ABSTRACT Technological developments as well as population growth led to an increase in electricity sources. The dependence on a large percentage of electric energy sources will cause a future electricity crisis, thermoelectric generator (TEG) is the right alternative energy development tool as a converter of wasted heat energy into electrical energy. However, recent research has focused on…
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- ix, 79 hlm.; ill.: 29 cm
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- 03 01. 121 (0034)
Biosintesis Seng Oskida Berbasis Iradiasi Gelombang Mikro Sebagai Material Fo…
ABSTRACT The synthesis of zinc oxide (ZnO) mediated pineapple peel extract has been carried out using the microwave irradiation method. Pineapple peel extract plays a role as a stabilizer and bioreductor. In this study, ZnO samples were synthesized in various of Zn precursor (Zink Nitrate Hexahydrate) concentrations of 50mM, 100mM, 200mM, and 500mM 360 Watt microwave irradiation for 2 min.…
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- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0033)
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