Ditapis dengan
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
- Judul Seri
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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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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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
- Judul Seri
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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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- ISBN/ISSN
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- Deskripsi Fisik
- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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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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- 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 (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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- 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 (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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- ISBN/ISSN
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- Deskripsi Fisik
- ix, 77 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 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)
Penentuan Sebaran Lindi Dengan Menggunakan Metode Geolistrik Konfigurasi Wenn…
ABSTRACT The process of determining the leachate distribution at Muara Fajar Final Disposal, Rumbai, Pekanbaru has been carried out using geoelectric methods of the Wenner rule and the Geochemical test. This study aims to determine the distribution of the leachate and analyze the quality of the leachate. Measurements were made on two tracks, each track was 100 meters long. Based on the res…
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- ISBN/ISSN
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- Deskripsi Fisik
- xii, 29 hlm.; ill.: 29 cm
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- No. Panggil
- 03 01. 121 (0026)
Fabrikasi Elektroda Karbon Dari Pelepah Pinang Dengan Variasi Konsentrasi Koh…
ABSTRACT Biomassa-derived porous carbon has become an electrode material to be developed as a supercapacitor because it is relatively cheap and easy to obtain. Electrode materials derived from biomass for supercapacitors are considered as an effective solution to the problems of the energy crisis. Optimization efforts are made for the variations concentration of KOH in the manufacture ofel…
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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 (0025)
Klasifikasi Kematangan Tandan Buah Segar Kelapa Sawit Menggunakan Pencitraan …
ABSTRACT The multispectral imaging system can be used in sorting and grading fruit quickly and non-destructively. In this study, multispectral imaging system is used as a part of sorting and grading fruit system for oil palm fresh fruits bunches. The multispectral imaging system uses filter wheels with 8 band pass filters consisting of wavelengths of 520,680,740,770,800,830 and 880 nm. Thi…
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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0024)
Klasifikasi Tingkat Kematangan Buah Kelapa Sawit Menggunakan Hidung Elektroni…
ABSTRACT Classification of the ripeness levels using an electronic nose system and machine learning is a very important part of the automatic fruit sorting process. In this study, the classification of the ripeness levels of oil palm fresh fruit bunches (FFB) was carried out using an electronic nose system and artificial neural network (ANN). The electronic nose system used consists of eig…
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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 (0023)
Identifikasi Fase Magnetik Dan Komposisi Elemen Pasir Sungai Rokan Sebagai Fu…
ABSTRACT Identification of magnetic particles and the elemental composition of the natural sands of the Rokan River, Riau Province has been done. The natural sand samples that have been dried under the sun were separated between magnetic and non-magnetic particles using Iron Sand Separator (ISS). This result was called the product of ISS. The product of the ISS was milled using ball millin…
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- ISBN/ISSN
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- Deskripsi Fisik
- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0022)
Karakterisasi Difraksi Sinar X Pada Pembuatan Film Tipis Barium Zirkonium Tit…
ABSTRACT Barium Titanate (BaTiO3) is a ferroelectric material that has a high dielectric constant value, which can be made in the form of a thin layer. A thin layer of Barium Titanate (BaTiO3) doped with Zr to form Ba (ZrxTi1-x) O3 was successfully prepared using sol gel method with the composition of x = 0.2 and x = 0.4. A thin layer was created on the glass substrate using a spin coating…
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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 (0020)
Pengaruh Ukuran Bola Milling Terhadap Sifat Katalitik Nanopartikel Magnetik U…
ABSTRACT Combination of magnetic nanoparticles such as hematite (α-Fe2O3) and magnetite (Fe3O4) was used as catalysts to degradate methylene blue in aqueous solution. Magnetic nanoparticles were obtained from natural sands of Sungai Suci beach, Pondok Kelapa District, Bengkulu Tengah Regency, Bengkulu Province through ball milling process. The natural sand was dried under the sun prior to…
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- ISBN/ISSN
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- Deskripsi Fisik
- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0019)
Analisa Suseptibilitas Material Feromagnetik Pasir Besi Menggunakan Kurva Mag…
ABSTRACT The nonoptimal land use due to the nutrient content in the soil results in not maximal agricultural production. For that, it is necessary to know whether the plant nutrition in the soil is sufficient or not. Measurement of micronutrients in the soil is a very important process to determine soil fertility and the adequacy of plant needs for essential nutrients in its growth. One of…
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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 (0018)
Rancang Bangun Sistem Hidung Elektronik Berbasis Sensor Gas Cmos Untuk Mendet…
ABSTRACT Nowadays , increasingly sophisticated technology in the field of sensors is needed in order to determine the quality of agricultural products in a modern way, which is usually done using five senses method. The electronic nose olfactory system is an alternative way to obtain high quality CPO. This study aims to design an olfactory system based on the MQ type gas sensor CMOS to det…
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- ISBN/ISSN
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- Deskripsi Fisik
- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 03 01. 121 (0017)
Sintesis Nanopartikel Perak Dengan Menggunakan Bioreduktor Ekstrak Kulit Keca…
ABSTRACT Silver nanoparticles (Ag) are materials that have extensive applications with diverse synthesis methods. The process of biosynthesis using plant extracts shows satisfactory results with a unique shape. Silver nanoparticles have been successfully synthesized by biosynthesis method using kecapi extract (Sandoricum Koetjape). This study aims to analyze the effect of AgNO3 precursor …
- Edisi
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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 (0016)
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah