Ditapis dengan
Penerapan Metode Design For Manufacture And Assembly (Dfma) Pada Mesin Gerind…
ABSTRACT A camshaft grinding machine is a machine that can modify a standard camshaft to become a racing camshaft with the aim of adding or widening the camshaft, increasing volumetric efficiency and changing the character of a machine, so that the engine produces more power and as needed. The design of this camshaft grinding machine is designed to be able to work with a rotation that is adjus…
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- 1807111531
Pengaruh Arus Pengelasan Smaw Terhadap Cacat Pengelasan Dan Kekuatan Tarik Ba…
ABSTRACT In the SMAW welding process, there are various types of electrodes with various diameter sizes, besides that the process can use various current strengths. All of that is done to adjust the thickness of the plate and the type of steel. The purpose of this research is to influence the DC electric polarity on the variation of electrodes used. The welding process in this study uses ASTM …
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- 1807125068
Pengaruh Penambahan Variasi Dosis Biochar Ampas Tebu (Saccharum Officinarum L…
ABSTRACT Untreated liquid waste from tofu production, if directly disposed of without any treatment, will cause pollution. Therefore, it is necessary to treat the waste before it is discharged into the environment. The process used in the treatment of liquid tofu waste is biological treatment, utilizing the symbiosis of microalgae and bacteria to reduce pollutant parameters. This is achieved t…
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- 1907113118
Pemanfaatan Kacang Tunggak (Vigna Unguiculata L.) Dan Pac Sebagai Koagulan Da…
ABSTRACT Peat water has special characteristics, namely brownish color, high organic matter, low pH between 2-5, so it needs to be processed so that it can be used for daily needs. Treatment that can be used is coagulation-flocculation. The coagulants used in this study were cowpea and PAC. The purpose of this study was to determine the efficiency of using cowpea for removal of organic mat…
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- 1907110489
Studi Perbandingan Keefektifan Kacang Kedelai Dan Pac Sebagai Koagulan Dalam …
ABSTRACT Research on river water treatment has been carried out using the coagulation-flocculation method by using of natural coagulants. Soybeans can be used as natural coagulants because they contain protein, and the results obtained will be compared with PAC coagulants. The purpose of this study was to determine the efficiency of using soybeans for turbidity and TDS removal in river water, …
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- 1907111524
Pengaruh Penambahan Aktivator H2so4 Dan Naoh Terhadap Kualitas Oli Bekas Hasi…
ABSTRACT Oil consumption has increased every year in line with the increase in motorized vehicles. This resulted in the amount of used oil produced also increased. Used oil is included in the waste of Hazardous and Toxic Materials which have a bad impact on the environment. One of the technologies that can be utilized in processing used oil is refining because used oil contains base oil so…
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- 1907113712
Studi Adsorpsi Logam Kadmium (Cd) Dalam Larutan Menggunakan Magnetic Biochar …
ABSTRACT Cadmium (Cd) is a heavy metal that is found in many aquatic environments and has a high level of toxicity. The adsorption method can be used as an alternative in removing the metal. One of the adsorbents that can be used to remove Cd metal is magnetic biochar made from palm fronds. Palm fronds have the potential to be used as a base material for magnetic biochar because they contain c…
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- 1807195444
Analisis Kelimpahan Dan Distribusi Mikroplastik Pada Air Dan Ikan Di Sungai T…
ABSTRACT Microplastics are generally defined as synthetic polymers that are under 5 mm in size. Microplastics that accumulate in water will have a negative impact on aquatic ecosystems. This study aims to analyze the abundance and types of microplastics in water and digestive organs in the Tangkerang River, Pekanbaru. The Tangkerang River is a tributary that will empty into the Sail and Siak R…
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- 1807124609
Pemodelan Dispersi Emisi Pembakaran Sampah Dari Insinerator Rsud Arifin Achma…
ABSTRACT Environmental regulatory agencys use dispersion modeling to integrate scientific understanding of pollutant emissions with regulatory requirements of environmental and health standards. AERMOD is one of the most advanced multiple source models presently being developed by the US-EPA and the AMS (American Meteorology Society). The AERMOD modeling validation findings indicate a strong c…
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- 1907111829
Analisis Emisi Mesin Diesel Modifikasi Dengan Bahan Bakar Alternatif Campuran…
ABSTRACT Used oil is a material that is widely used by motorized vehicles, so that lubricating oil or oil becomes waste generated from motorized vehicles. The use of used oil waste is an environmentally friendly and renewable alternative fuel. Utilization of used lubricating oil will overcome the problem of waste from used lubricating oil which cannot be reprocessed and simply thrown away, and…
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- 1807125134
Analisis Pengaruh Ukuran Partikel Zeolit Dan Waktu Pengendapan Terhadap Kuali…
ABSTRACT Used oil waste has become one of the environmental issues that needs to be swiftly and accurately addressed. Used oil contains considerable energy and still holds potential as an alternative fuel for diesel engines. One of the methods for processing used oil involves the acid and clay technique. This study focuses on purification using the acid and clay method, with variations in zeol…
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- 1907155434
Pengaruh Kecepatan Pengadukan Dan Massa Zeolit Terhadap Hasil Pemurnian Oli B…
ABSTRACT The growth of the population leads to an increase in population mobility and the number of vehicles. The rise in motorized transportation results in an increasing demand for motor vehicle lubricating oil. The increased need for oil is directly proportional to the waste produced, namely used oil. One of the technologies that can be utilized in processing used oil is purification, as it…
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- 1907110479
Analisis Kelimpahan Dan Distribusi Mikroplastik Pada Air Dan Ikan Di Sungai S…
ABSTRACT Microplastics are generally defined as synthetic polymers that are under 5 mm in size. Microplastics that accumulate in water will have a negative impact on aquatic ecosystems. This study aims to analyze the abundance and types of microplastics in water and digestive organs in the Sail River, Pekanbaru. The Sail River is a tributary that will empty into the Siak River. High activity a…
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- 1807111571
Pemetaan Tingkat Kebisingan Pada Jam Puncak Akibat Aktivitas Transportasi Di …
ABSTRACT The growth of the population in Pekanbaru city each year has led to an increase in the number of motor vehicles, resulting in a rise in noise intensity. The aim of this research is to measure and map the noise level during peak hours at the intersection of Kaharuddin Nasution Street and Soekarno Hatta Street in Pekanbaru city, analyze the relationship between the number of vehicles an…
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- 1907124251
Simulasi Fluktuasi Muka Air Sungai Terhadap Elevasi Muka Air Di Saluran Iriga…
ABSTRACT Selat Guntung is a village located on the outskirts of the Siak river with a rainfed agricultural system, where the main source of agricultural water comes from rainfall and depends on rainfall so that during the dry season agricultural rice fields experience a shortage of water which affects crop production. The irrigation of the Selat Guntung is affected by fluctuations in the water…
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- 1807112512
Rancang Bangun Dan Pengujian Indoor & Outdoor Kondenser Pada Pengering Beku V…
ABSTRACT Freeze vacuum drying is one of the most effective drying methods compared to other drying methods, such as sun drying, solar drying and others. where in vacuum freeze drying it can maintain the quality of the product you want to dry, besides that this method is also very effective for drying products that are easily destroyed when exposed to high temperatures. Where the working princi…
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- 1807111689
Kaji Eksperimental Pemanfaatan Panas Solar Pond Sebagai Pembangkit Listrik Be…
ABSTRACT Solar Pond is a type of solar collector with the ability to store heat energy for a long time and lower construction costs compared to other types of solar collectors. Solar pond functions as a collector and storage of solar thermal energy. Solar pond technology requires development so that it can be applied to power generation. One of them is by using a thermoelectric generator. Ther…
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- 1807111450
Analisis Kinerja Fotovoltaik Termal Dengan Pemanas Air Tipe Pasif
ABSTRACT Photovoltaic (PV) is a technology that can convert sunlight into electricity, while photovoltaic/thermal (PV/T) is a technology that can convert sunlight into electricity and heat. In this study the authors compared the performance between the two systems namely PV and PV/T. In the PV/T system, an aluminum plate is added as an absorber, and uses copper pipes as a heat sink, and the wh…
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- 1707111328
Rancang Bangun Lampu Led 12-V, 15-W
ABSTRACT The drive circuit functions as a voltage source to drive an electronic circuit. The voltage source (Power Supply) is made using a switching mode with the Boost Converter topology. The component used as a switch is IGBT type IRG4BC30UD. The time of life (on) and (off) of the IGBT is controlled by the control circuit produced by the SG3525 IC. Switching mode power supply with the Boost …
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- 2007026592
Analisis Neraca Air Pada Kesatuan Hidrologi Gambut (Khg) Sungai Enok-Sungai B…
ABSTRACT The Peat Hydrological Unit (PHU) of the Enok River and Batang River is one of the PHUs in Riau Province which is located in Indragiri Hilir Regency. This district has a high rate of land clearing for plantations and has many canals, if not properly controlled it can cause peatlands to degrade. Good water management needs to be done to keep the peat moist by knowing the water potential…
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- 1907111523
Karya Umum 
Filsafat 
Agama 
Ilmu-ilmu Sosial 
Bahasa 
Ilmu-ilmu Murni 
Ilmu-ilmu Terapan 
Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah