Výsledky vyhledávání - "Harlem Marpaung"

Vannamei shrimp cultivation technology as an innovation of coastal land use in Rugemuk village Pulau Labu sub-district Deli Serdang district in 2019

Autor: Irnawati Marsaulina, Harlem Marpaung

Publikováno v: ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat. 4:232-236

This community service activity aims to increase the ability of fishermen and apply appropriate technology to cultivate Vannamei shrimp in a sustainable manner so that it will improve the welfare of fishermen's families. To achieve the objectives, se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fe69ca168254ac01183e2eb178f8dd7
https://doi.org/10.32734/abdimastalenta.v4i2.4053

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GC-MS Analysis of Chemical Contents and Physical Properties of Essential Oil of Eucalyptus grandis from PT. Toba Pulp Lestari

Autor: Zul Alfian, S.J. Samosir, Muhammad Taufik, Andriayani, Harlem Marpaung, Sovia Lenny

Publikováno v: Asian Journal of Chemistry. 31:2319-2322

Essential oils are volatile oils with different compositions according to their source of production and comprise a mixture of substances having different chemical and physical properties. One of the plants containing essential oil is Eucalyptus gran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ee1554f09413dad4d5b5bd36cb1c787
https://doi.org/10.14233/ajchem.2019.21620

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Analysis of Ganja Chemical Content (Cannabis Sativa L.) Discussion Results in the Aceh Regional Police Region Using the GC-MS Method

Autor: Ungkap Siahaan, Harlem Marpaung, Tamrin

Publikováno v: International Journal on Recent and Innovation Trends in Computing and Communication. 7:40-45

Cannabis (Cannabissativa L.) is an annual plant, which can grow and spread in tropical or sub-tropical regions with a height of one to five meters (Emcdda, 2015). Human selection is done for various uses and climate-influenced natural selection produ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6490a3482317c323e891b5c88dfccbb
https://doi.org/10.17762/ijritcc.v7i2.5231

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Distribution and risk assessment of natural radioactive elements in volcanic ashes, cold lava, river waters due to volcanic eruption of Mount Sinabung

Autor: Saur Lumban Raja, Crystina Simanjuntak, Harlem Marpaung, Saudin Simanjuntak, Eko Pudjadi

Publikováno v: THE INTERNATIONAL CONFERENCE ON CHEMICAL SCIENCE AND TECHNOLOGY (ICCST – 2020): Chemical Science and Technology Innovation for a Better Future.

Analysis of activity concentration of natural radioactive elements in volcanic ashes, cold lava and river waters has been carried out due to volcanic eruption of mount Sinabung. It was found the activity concentration of U-238, Ra-226, Th-228, Th-232

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5a5d2a101437d8e4316adeaacaba17b
https://doi.org/10.1063/5.0046391

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Sosialisasi Penjernihan Air Baku Dengan Menggunakan Elektrokoagulasi Di SMP & SMA Dr. Wahidin Sudirohusodo

Autor: Harlem Marpaung, Rikson Siburian, Crystina Simanjuntak

Publikováno v: Agrintech: Jurnal Teknologi Pangan dan Hasil Pertanian. 1:123-126

This Research has been done in one of Junior and Senior High Schools of Dr. Wahidin Sudirohusodo by using water samples at the site for iron absorption by electrolysis method using aluminum electrode. By using visible spectrophotometer and standard s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ebd535238c247a9a452d6e1c698891d5
https://doi.org/10.30596/agrintech.v1i2.2013

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SYNTHESIS AND A P P L I C A T I O N OFSILICAGEL BASE ON MOUNT SINABUNG’S FLY ASH FOR Cd(II) REMOVAL WITH FIXED BED COLUMN

Autor: Lisnawaty Simatupang, Maryati Doloksaribu, Parna Sitanggang, Rikson Siburian, Manihar Situmorang, Harlem Marpaung

Publikováno v: Rasayan Journal of Chemistry. 11:819-827

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::53c3de3acfba28f62e7bdda989639a43
https://doi.org/10.31788/rjc.2018.1122091

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Preliminary Study on Natural Radionuclide Concentration in Samosir Area

Autor: Jamahir Gultom, Zul Alfian, Harlem Marpaung, Monica Gabryella

Publikováno v: Oriental Journal of Chemistry. 33:483-489

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd878a217160f2c7a94df97b11a6ace3
https://doi.org/10.13005/ojc/330157

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Effect of Platinum loading on Graphene Nano Sheets at Cathode

Autor: Minto Supeno, Harlem Marpaung, Kerista Sebayang, Rikson Siburian

Publikováno v: Oriental Journal of Chemistry. 33:134-140

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1645d9909f5b71da140ac6a2f2103795
https://doi.org/10.13005/ojc/330114

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Effect of N-Doped Graphene for Properties of Pt/N-Doped Graphene Catalyst

Autor: Minto Supeno, Rikson Siburian, Harlem Marpaung, Kerista Sebayang

Publikováno v: ChemistrySelect. 2:1188-1195

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::790c97209660daf4b8249b51b9b7c1a4
https://doi.org/10.1002/slct.201601561

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Studi Literature Essential oil bioactivity of Curry leavess (Murraya koeginii ) as slimming aromatherapy

Autor: Zul Alfian, Harlem Marpaung, Tonel Barus, Rizki Damayanti

Publikováno v: Proceedings of the Proceeding of the First International Graduate Conference (IGC) On Innovation, Creativity, Digital, & Technopreneurship for Sustainable Development in Conjunction with The 6th Roundtable for Indonesian Entrepreneurship Educators 2018 Universitas Syiah Kuala October, 3-5, 2018 Banda Aceh, Indonesia.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f5d4b99392ca369a7e2c2c56c9f6827
https://doi.org/10.4108/eai.3-10-2018.2284355

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