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14,701 results

Rati Nofrianti, Eddy Noviana, Lazim N, Lazim N
The main problem of this research is the low of learning outcomes (achievements) of fourth grade students of SD Negeri 164 Pekanbaru in social studies subjects (IPS). The purpose of this research was ...

Deri Afriza Saputra, Rian Tri Komara Iriana, Mardani Sebayang
The implementation of construction especially in Pekanbaru City, the cost factor is the first consideration because of the usually involves the amount of investment that is great for a assignor. There...

Muhammad Sholeh, Firdaus Firdaus
Households are one sector of the country with 23% energy consumption of total energy in all sectors. In the household there are many electronic devices that consume electricity. This resulted in energ...

Rini Dwi Agustiyanti, Yelmida Azis, Zuchra Helwani
Hydroxyapatite is high biactive dan bioafinity ceramic materials. Hydroxyapatite also known osteoconductive, non-toxic, and non-immunogeic. So that there are many application ofhydroxyapatite such as ...

Taufiq Muammar, Rahyul Amri
Early warning system is one of the technology to detect land fires by utilizing wireless sensor network. Continuously delivery of data by the sensor node causes a large energy consumption on the side ...

M. Arief Riandy, Edy Saputra, Jhon Armedi Pinem
Processing of palm oil into Crude Palm Oil (CPO) will produce a large amount of liquid waste. To produce a ton of crude palm oil (CPO) produced 6 m3 of palm oil mill effluent. In this study, a process...

Rio Saputra, Edy Saputra, Yelmida Yelmida
Palm fly ash is waste in the palm oil industry. Palm fly ash has high content of silica. ZSM-5 is one of synthetic zeolite which used as catalyst. It can be synthesized from silica and alumina using h...

Havel Alindo Sano, Fri Murdiya
Electrical energy is very important today. The power company distributes the electric energy through the 150 kV overhead lines. The transmission line is a major part of the electrical energy distribut...

Halim Kasuma, Alex Kurniawandy, Ermiyati Ermiyati
The purpose of this research is to utilize the waste of palm oil with investigating the mechanical properties. The waste materials are the result of palm oil extraction. The experiment conducted to in...

Erlisa Yanuari Putri, Syaiful Bahri, Edy Saputra
Biodiesel producted by transesterifiation reaction which on energy source. Biodiesel was developed in Indonesia as an anticipatis of energy crisis problem suppported by goverment national energy polic...

Alfian Adri, Iswadi Hasyim Rosma
Electrical energy is one of the most important and often used energy in life. Therefore to keep the availability of electricity, it takes a power company that will manage the electricity needs. One of...

Nurriya Mayang Sari, Sri Rezeki Muria, Elvi Yenie
One material that has potential as raw material for bioethanol is the pineapple peel. Pineapple peel is one of the biggest agricultural waste in Indonesia, especially in Riau derived from pineapples. ...

Abdul Gafar Arsaf, Iswadi Hasyim Rosma
Oxigen in the water is obtained from 2 processes specifically the first is, photosynthesis by water plants and the second is aeration which included in the diffusion process. Aerator is a device that ...

Akbar Anggriawan, Feblil Huda
Induction motor plays an important role in the industrial realm that serves as a driving parts such as the conveyor, lathes and others. Regarding to this important role, the early detection of inducti...

Wahyu Setiawan, Alex Kurniawandy, Ermiyati Ermiyati
The waste of palm know as waste of palm oil extraction, which is recently available abundantly. One of efforts in using this waste material is as additive in paving block industry. This research prese...

Yansyah Prasetyo, Fri Murdiya
Gas insulating material commonly used in electrical system is SF6 gas. SF6 gas is used as an insulator material in electrical system in transfer heat. However, SF6 gas is not environmentally friendly,...

Herki Desrizal, Iswadi Hasyim Rosma
The increasing need for energy and the depletion of petroleum reserves forces people to seek alternative energy sources. Based on the above problems it is necessary to analyse of the availability of g...

Efrizal Saputra, Anita Susilawati
CNC is a machining process using a computer program, which one of its function that can arrange toolpath used in NC Code. This study aim is to obtain an optimal toolpath on CNC lathe machining process...

Yogie Pranata, Ismeddiyanto Ismeddiyanto, Monita Olivia
The objective of the study is to investigate the mechanical properties of concrete with different replacement levels of Ordinary Portland Cement (OPC) by Rice Husk Ash (RHA). Two RHA replacement level...

Dodi Pratama, Ferry Fatnanta, Muhardi Muhardi
The soil that classified as CL-ML soil have range of plasticity index around 4% s/d 7%, and liquid limit with range 12% s/d 30% according to the Casagrande Plasticity graph, this soil condition is ver...