Ditapis dengan
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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- Deskripsi Fisik
- xiii, 55 hlm.: ill.: 29 cm
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- No. Panggil
- 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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- No. Panggil
- 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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- Deskripsi Fisik
- xxxii, 55 hlm.: ill.: 29 cm
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- No. Panggil
- 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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- No. Panggil
- 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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- Deskripsi Fisik
- xiv, 42 hlm.: ill.: 29 cm
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- No. Panggil
- 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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- No. Panggil
- 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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 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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- No. Panggil
- 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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0033)
Automatisasi Pengisian Dan Pengosongan Crude Palm Oil (Cpo) Dalam Kontainer M…
ABSTRACT The development of science and technology nowadays is rapidly increasing, especially in the field of software and hardware application systems to fulfill human needs. Appropriate technology system is needed in daily life without exception in the field of petroleum industry to inspect various activities, one of them is the automation system of filling and emptying containers. In th…
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- xii, 29 hlm.; ill.: 29 cm
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- 03 01. 121 (0032)
Inflasi Dan Anisotropi Alam Semesta Oleh Elektrodinamika Nonlinear
ABSTRACT The Big Bang Theory explains how universe formed. After Big Bang, universe accelerated by a scale factor of a(t). However, from Big Bang period until now, standard cosmology has some problems in explaining the evolution of universe, such as monopoles, horizons, and flatness. To solve this problem, a model of inflation at the early time of universe is needed. Inflation theory expla…
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 03 01. 121 (0031)
Pengaruh Tingkat Keasaman Terhadap Morfologi Dan Mikrostruktur Zno Yang Disin…
ABSTRACT Selection of synthesis methods, precursors, concentrations and levels of acidity can affect the shape, size and morphology of a prepared material. In this study, the preparation of ZnO was carried out using the biosynthetic method with the precursor solution of 0.05 M Zinc Nitrate Hexahydrate (Zn(NO3)2‧6H2O) and mediated by pineapple peel extract in various the synthetic acidity…
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 03 01. 121 (0030)
Sintesis Dan Karakterisasi Nanopartikel Perak Menggunakan Ekstrak Daun Ketapa…
ABSTRACT Silver nanoparticles are produced by chemical method, but this method can have a negative impact on the environment due to the use of toxic substances. So, green synthesis is more desirable for producing silver nanoparticles that has the minimum envioronmental hazard. Biosynthesis of silver nanoparticles was mixed using ketapang leaf extract (Terminalia Catappa) as a bioreductor to…
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 03 01. 121 (0029)
Identifikasi Keberadaan Lindi Pada Tpa Muara Fajar Menggunakan Metode Geolist…
ABSTRACT The final disposal at Muara Fajar is a final waste disposal site located at Muara Fajar, Pekanbaru City which used an open dumping system. This system still has the potential to spread leachate to the area surround the final disposal because this system does not fulfill the criteria of a the final disposal. This study aims to identify the depth of the subsurface structure around t…
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- ix, 77 hlm.; ill.: 29 cm
- Judul Seri
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- 03 01. 121 (0028)
Pembuatan Sel Superkapasitor Berbasis Serat Aren (Arenga Pinnata) Sebagai Ele…
ABSTRACT Research on activated carbon made using palm fiber biomass which is applied as supercapacitor electrodes has been done. Supercapacitor is an energy device that has high power and has a long life cycle. In the research, the activated carbon was prepared through the pre-carbonization using an electric oven at temperature of 100-250 0C and chemical activation processes using KOH act…
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- ISBN/ISSN
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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0027)
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah