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All Journal Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam JFMR (Journal of Fisheries and Marine Research)
MR SUNARDI
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering Environmental Science Mathematics

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PENENTUAN ELEKTROMOTANSI TERMAL BEBERAPA JENIS TERMOKOPEL DENGAN PASANGAN LOGAM YANG BERVARIASI (Upaya untuk Mendapatkan Pasangan Logam yang Terbaik untuk Termokopel) KARIM, SAEFUL; SUNARDI, MR
Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam Vol 8, No 2 (2006): Jurnal Pengajaran MIPA
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v8i2.331

Abstract

An experiment has been done to observe about relation of difference temperature with electromotive force between two metal junctions. This experiment directed to determine the coeficient thermal electromotantion from some termocouples and to find metal junction which most linier. In this experiment used experimental method with some instrument, there is thermometer, galvanometer, and potentiometer ( nichrom ). Termocouple is used in this experiment bent two metal junction, there is cooper – steel, nichrom-steel, nichrom – cooper, irom-steel, iron-nichrom, and cooper – iron. Extending of temperature is used inthis experiment there is reference temperature ( To = 1 oC ) and measuring temperature ( 30 – 75 oC ). From this experiment we  find some illustrations that the more higher of difference temperature between two metal junction there for the more higher too of electromotive force has producted from two metal junctions ( termocouple ). For junction cooper iron and iron nichrom has producted non linier relation ( relation of electromotive force with difference temperature ). But for junction cooper steel, nichrom steel, and iron steel has producted linier relations, junction nichrom cooper have relation most linier with coeficient thermal electromotantion 0,0472 mV/ 0C.Coeficient thermal electromotantion will be different depend on metal
Estimation Potential Areas of Skipjack Fishing (Katsuwonus pelamis) Based on Oceanographic Parameters in Makassar Strait Wangi, Debby Aranindy Putri; Sunardi, Mr; Rahman, Muhammad Arif
JFMR (Journal of Fisheries and Marine Research) Vol. 3 No. 1 (2019): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.01.12

Abstract

Determination of regional fisheries based upon the experience of fishing master is one obstacle, because the spread of the fish moving in accordance with the fish habitat, while the fish habitat affected by the condition oceanographic parameters. Therefore, knowing the spread of fish based on oceanographic parameter is one of the indicators in determining potential areas of catching skipjack. Research method using descriptive observatif. The distribution results showed Sea Surface Temperature (SST) with average range between 28.45 °C – 30.93 °C, chlorophyll-a concentration between 0.28 mg/m3 – 0.62 mg/m3, and the speed of current between 0.01 m/s – 0.23 m/s. Correlation between SST, chlorophyll-a, and current towards the skipjack catches no significant relationship and their relationship is very low. Zone of fishing potential based on skipjack habitat obtained is 63 miles of fishing base shaped polygon area there are extents of 63,471,960.455 m2 withsamples coordinates of 00°3'00.0'' N and 119°19'48.0’’ E and 254,606,779.883 m2 with sample coordinates 00°21’21.5'' N and 119°46'12.0'' E.
Co-Authors Rahman, Muhammad Arif Saeful Karim Wangi, Debby Aranindy Putri