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All Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat
Supeno, Minto
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Agriculture, Biological Sciences & Forestry Law, Crime, Criminology & Criminal Justice Social Sciences

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Journal : Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat

 1 
Coconut Shell Applications For Making Antenna Tv In Madrasah Aliyah Muhammadiyah 09 Kwala Madu Supeno, Minto; Ginting, Mimpin
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (171.843 KB) | DOI: 10.32734/abdimastalenta.v4i2.4219

Abstract

Shell antenna is an original UHF antenna technology, produced from research continuous and observations for years. Natural polymeric material from a combination soft-hard that can be relied upon as a television antenna at a radius of 180 km, with antenna gain 11 dB, which can be used in the lowlands, highlands and at the bottom of the sea. This antenna is very good performance for high frequencies. The UHF shell antenna prototype consists of: (l) Two rectifiers the first wave from the shell pores and the second from the smooth almonium plate that is mounted lined up inside the shell parts; (2) reflector of almonium; and (3) carbonyl groups and micro elements as a receiver. The advantages of this antenna can close up more clear, clear, cool clearer eyes and reception, can be used in the lowlands, highlands and at the bottom sea, this antenna is very good performance for high frequencies, can close up clearer, clear, cool in the eyes and voice reception clearer.
Utilization of coconut shells in the manufacture of appropriate goods Ginting, Mimpin; Supeno, Minto
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.57 KB) | DOI: 10.32734/abdimastalenta.v4i2.4228

Abstract

Coconut shell inside is hard or very hard polymer, because of the composition of lignin > cellulose, such material s not good as a TV antenna. Because if given electromagnetic waves there will be vibrations of molecules >> ure rotation. To overcome this, the lignin concentration is reduced so that the concentration of lignin <cellulose can be used as a TV antenna, HP, because such material has become soft material. This combination of soft> hard polymers can theoretically be used for the purpose of detecting earthquakes, satellite etc. If the coconut is shaken, there will be ripples of coconut water to the ears, facts thus showing that the coconut shell has gaps or pores which carries waves of coconut water to the ears, which come out through the interface of lignin cellulose. The initial symptoms thus mean that the coconut shell can reflect and absorb waves. The advantages of this antenna can close up more clear, clear, cool clearer eyes and reception, can be used in the lowlands, highlands and at the bottom sea, this antenna is very good performance for high frequencies, can close up clearer, clear, cool in the eyes and voice reception clearer.
Application of coconut battery waste to graphic as an alternative electrode on primary battery cells Siburian, Rikson; L Raja, Saur; Supeno, Minto; Simanjuntak, Crystina
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (301.46 KB) | DOI: 10.32734/abdimastalenta.v4i2.4202

Abstract

Coconut shell is one of the potential biomass as carbon sources. Coconut shell is converted to charcoal through the carbonization process. The potential of charcoal from coconut shells can be synthesized into graphene. Graphene is a derivative of one of the carbon allotropes, namely graphite, where carbon is in the form of thin plates with sp2 orbitals arranged hexagonally. The process of making graphene which is coconut shell dried in the sun then pyrolysis into charcoal then mixed with activated carbon as a reducing agent at 600 ° C for 1 hour to produce graphene. The graphene produced is characterized by X-Ray Diffraction (XRD), Scanning Electron Microscope-Energy Dispersive X-Ray (SEM-EDX). The results by XRD analysis showed the resulting peaks were not sharp and slightly widened at the diffraction peaks at 24 ° and 44 °. The results of SEM-EDX analysis at 4000x magnification show the surface size and shape of the structure that is smaller, thinner and reduced buildup on the graphene structure. graphene that has been successfully synthesized was tested on a coin battery. The coin battery cathode which was replaced with graphene succeeded in turning on the light.
Coconut Shell Applications For Making Antenna Tv In Madrasah Aliyah Muhammadiyah 09 Kwala Madu Supeno, Minto; Ginting, Mimpin
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (171.843 KB) | DOI: 10.32734/abdimastalenta.v4i2.4219

Abstract

Shell antenna is an original UHF antenna technology, produced from research continuous and observations for years. Natural polymeric material from a combination soft-hard that can be relied upon as a television antenna at a radius of 180 km, with antenna gain 11 dB, which can be used in the lowlands, highlands and at the bottom of the sea. This antenna is very good performance for high frequencies. The UHF shell antenna prototype consists of: (l) Two rectifiers the first wave from the shell pores and the second from the smooth almonium plate that is mounted lined up inside the shell parts; (2) reflector of almonium; and (3) carbonyl groups and micro elements as a receiver. The advantages of this antenna can close up more clear, clear, cool clearer eyes and reception, can be used in the lowlands, highlands and at the bottom sea, this antenna is very good performance for high frequencies, can close up clearer, clear, cool in the eyes and voice reception clearer.
Utilization of coconut shells in the manufacture of appropriate goods Ginting, Mimpin; Supeno, Minto
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.57 KB) | DOI: 10.32734/abdimastalenta.v4i2.4228

Abstract

Coconut shell inside is hard or very hard polymer, because of the composition of lignin > cellulose, such material s not good as a TV antenna. Because if given electromagnetic waves there will be vibrations of molecules >> ure rotation. To overcome this, the lignin concentration is reduced so that the concentration of lignin <cellulose can be used as a TV antenna, HP, because such material has become soft material. This combination of soft> hard polymers can theoretically be used for the purpose of detecting earthquakes, satellite etc. If the coconut is shaken, there will be ripples of coconut water to the ears, facts thus showing that the coconut shell has gaps or pores which carries waves of coconut water to the ears, which come out through the interface of lignin cellulose. The initial symptoms thus mean that the coconut shell can reflect and absorb waves. The advantages of this antenna can close up more clear, clear, cool clearer eyes and reception, can be used in the lowlands, highlands and at the bottom sea, this antenna is very good performance for high frequencies, can close up clearer, clear, cool in the eyes and voice reception clearer.
Co-Authors L Raja, Saur Mimpin Ginting, Mimpin Rikson Siburian Simanjuntak, Crystina