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INDONESIA
Jurnal technoscientia
Published by Institut Sains dan Teknologi AKPRIND
ISSN : 19798415     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Arjuna Subject : -
Articles 15 Documents
 1   2 
Search results for , issue "Technoscientia Vol 9 No 1 Agustus 2016" : 15 Documents clear
PENGARUH MASSA KATALIS ZEOLIT ALAM PADA PROSES PIROLISIS LIMBAH PLASTIK LOW DENSITY POLYETHYLENE (LDPE) Stephanus Danny Kurniawan; Harwin Saptoadi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 9 No 1 Agustus 2016
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (659.648 KB) | DOI: 10.34151/technoscientia.v9i1.153

Abstract

Plastic wastes have considerable potential to be converted into alternative fuels through pyrolysis process and reduce negative impacts on the environment pollution. Plastic pyrolysis process carried out to obtain hydrocarbon compounds that can be used as fuel and increase the economic value of the plastic wastes. The raw material used is Low Density Polyethylene (LDPE). This study was conducted to determine the effect of variations in the mass of catalyst on the characteristics and applications of waste plastics pyrolysis oil (WPO). The reactor used was a batch-type fixed with a temperature of 450ºC, nitrogen flow rate of 0.8 l/min, which feedstock used is 2000gr and natural zeolite as a catalyst. The use of mass variation of Catalyst Feedstock Ratio (CFR) are 0.05, 0.10 and 0.15. The results showed that the increasing use of the mass of catalyst have an effect in decreasing of liquid products. Most liquid products obtained in the use of 100g catalyst, with a percentage of 56.75%wt liquid products, 38.60%wt gas products and 4.65%wt solid products. The results of the characteristics and properties testing of plastics pyrolysis oils include specific gravity, kinematic viscosity, flash point, pour point, cloud point, water content, ash content, carbon number distribution and PONA analysis showed that the pyrolysis oil has similarities with kerosene and diesel oil as well can be developed as analternative fuels.
PEMBASMI HAMA SERANGGA MENGGUNAKAN CAHAYA LAMPU BERTENAGA SOLAR CELL Subandi -
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 9 No 1 Agustus 2016
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.057 KB) | DOI: 10.34151/technoscientia.v9i1.154

Abstract

In the general area of ​​rice fields found many kinds of insects that destroy rice plants. One of the properties of insects is to have an interest in light, in practice traditionally it has long been applied for example using a lamp pumped to catch insects (moths). The light intensity can affect insect behavior (hamma) that can be used in agriculture (hamma control insects) and can be used as animal feed. The problems are very interesting to be experiments in this study was designed prototype insect repellent uses light solar powered lamp that is safe from a short circuit and a fire. The working principle of this prototype is when the sun sank in the afternoon, the lights light trap will turn on automatically for electrical energy emitted comes from batteries, solar panels will convert solar energy into electrical energy and then store it in the battery, then converted electric unidirectional (dc) into alternating electric current (ac) using the inverter to flow into the trap light lamps (TL ultraviolet). Prototype testing was conducted for 4 hours/day from 18:00 until 22:00pm, at these times most insect activity comes closer to an ultraviolet lamp. In accordance with the magnitude of the solar panel and the battery used in this prototype, the electrical load that can be supplied to the 10 watt UV lamp (6 hours/day), 15watts (4 hours/day), 20watts (3 hours/day). Ultraviolet light 20watt lamp is able to collect insects in large numbers consisting of hamma leafhoppers, beetles, walang rice pest, crickets, and grasshoppers. Indirectly, this prototype could be said to be very helpful to farmers in terms of overcoming hamma attacks on rice
ANALISIS POHON KEPUTUSAN TERHADAP ANALOGI TAKSONOMI BLOOM UNTUK MENENTUKAN TINGKAT KEMAMPUAN MAHASISWA Danny Kriestanto
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 9 No 1 Agustus 2016
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (643.562 KB) | DOI: 10.34151/technoscientia.v9i1.155

Abstract

People’s learning ability are varies, including for the undergraduate students. These students have different capability in absorbing knowledge, as previous researches stated (2010-2015). In this research, the data that had been used were twice more than the previous research. In order to find more information about Cognitive Aspects that had been affecting STMIK AKAKOM students in using Information Technology, decision tree were used. The result shown that generally the students are divided into 2 massive groups: a group that learn to memorize by applying first, and a group that learn creating by applying before learn how to memorize and understand how things work. That is, however, showing the learning pattern of the students.
Jurnal Technoscientia Vol 9 no 1 Agustus 2016-Cover-Daftar isi Technoscientia, Jurnal Teknologi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 9 No 1 Agustus 2016
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.588 KB) | DOI: 10.34151/technoscientia.v9i1.710

Abstract

Jurnal Technoscientia Vol 9 no 1 Agustus 2016-Cover-Daftar isi
Jurnal Technoscientia Vol 9 no 1 Agustus 2016-Full Paper Technoscientia, Jurnal Teknologi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 9 No 1 Agustus 2016
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5568.875 KB) | DOI: 10.34151/technoscientia.v9i1.712

Abstract

Jurnal Technoscientia Vol 9 no 1 Agustus 2016-Full Paper

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