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amir hamzah siregar
amir hamzah siregar
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Efisiensi pemupukan urea terhadap serapan n dan peningkatan produksi padi sawah (Oryza sativa. L.)
A Siregar, I Marzuki
Jurnal Budidaya Pertanian 7 (2), 107-112, 2011
562011
Isolation and characterisation of cellulose nanofibre and lignin from oil palm empty fruit bunches
S Gea, AH Siregar, E Zaidar, M Harahap, DP Indrawan, ...
Materials 13 (10), 2290, 2020
302020
Transgressive segregation analysis of multiple traits in mungbean (Vigna radiata L. Wilczek).
E Jambormias, SH Sutjahjo, AA Mattjik, Y WAHYU, D Wirnas, A Siregar, ...
SABRAO Journal of Breeding & Genetics 47 (2), 2015
172015
The efficiency of urea fertilization on N uptake and yield of lowland rice (Oryza sativa, L.)
A Siregar, I Marzuki
Jurnal Budidaya Pertanian 7 (2), 107-112, 2011
132011
Analisis Perbandingan Kinerja antara Algoritma Heuristic Pour dan Algoritma Nawaz, Enscore dan Ham (NEH) dalam Menyelesaikan Penjadwalan Flowshop pada PT Cakra Compact …
AHO Siregar
Universitas Sumatera Utara, 2009
11*2009
Phytochemical screening and PY-GC-MS analysis of agarwood leaves (Aquilaria malaccensis lamk.) cultivated in bahorok, langkat regency, North Sumatra, Indonesia
R Batubara, B Wirjosentono, AH Siregar, U Harahap, Tamrin
people 14 (2), 751-759, 2021
92021
Compatibilitation of cyclic natural rubber (resiprene-35) with polypropylene in the presence of oleic acid and benzoyl peroxide
B Wirjosentono, AH Siregar, TI Nasution, KZ Dalimunthe, DA Nasution
Journal of Physics: Conference Series 1116 (4), 042043, 2018
92018
Bioactive compounds of ethanol extract from agarwood leaves (Aquilaria malaccensis) and antimicrobial activity against bacteria and fungi growing on the skin
R Batubara, B Wirjosentono, AH Siregar, U Harahap, T Tamrin
Biodiversitas Journal of Biological Diversity 22 (5), 2021
82021
Analisis Prediksi Aturan Asosiasi Menggunakan Algoritma Ct-Pro Dan Algoritma Hash-Based Dalam Kasus Kekerasan Pada Anak
AH Siregar
Universitas Sumatera Utara, 2020
82020
IOP Conf. Series: Materials Science and Engineering IOP Conf. Series
B Wirjosentono, T Tamrin, AH Siregar, S Sukatik, DA Nasution
Materials Science and Engineering 578, 012070, 2019
82019
Chemical Compounds and Antioxidant Potential in Hot Water Extract of Cultivated Agarwood (Aquilaria malaccensis) Lamk Leaves
R Batubara, B Wirjosentono, AH Siregar, U Harahap
IOP Conference Series: Earth and Environmental Science 830 (1), 012070, 2021
52021
Preparation and characterisations of maleic anhydride-modified-(asphalt, natural rubber, and polystyrene) blends containing sand aggregate
A Kurniawan, B Wirjosentono, T Tamrin, AH Siregar, DA Nasution
AIP Conference Proceedings 2267 (1), 2020
42020
Association Rule Analysis using CT-Pro and Hash-based Algorithm in Violence Case of Children
AH Siregar, MS Lydia, S Wage
no. Cesit, 565-573, 2021
32021
Characteristics of maleic anhydride-modified polystyrene and natural rubber blends containing “Talang” bamboo powder as sound damping material
R Sitorus, B Wirjosentono, T Tamrin, AH Siregar, DA Nasution
AIP Conference Proceedings 2267 (1), 2020
32020
Modelling a simple-vapour compression refrigeration cycle for Fish-Storage boxes
DM Nasution, AH Siregar, FRA Bukit
Journal of Physics: Conference Series 1542 (1), 012066, 2020
32020
The use of nanofibrils celulose of sugarcane bagasse as precursor in synthesizing carbon nanodots by hydrothermal method
DA Barus, J Ginting, H Ginting, AH Siregar, S Rahayu, AF Piliang, ...
Journal of Physics: Conference Series 1321 (2), 022021, 2019
32019
Preparation of thermoplastic elastomer from polypropylene-SIR 10 rubber blends with addition of dicumil peroxide as initiator and divinylbenzene as a crosslinker
AH Siregar, Y Muis, DS Daulay
Journal of Chemistry and Chemical Engineering 6 (12), 1099, 2012
32012
Mechanical, thermal and adhesion characteristics of natural rubber/epoxidised natural rubber (NR/ENR 25) blends containing natural microbentonite
B Wirjosentono, AH Siregar, DA Nasution
IOP Conference Series: Earth and Environmental Science 912 (1), 012073, 2021
12021
Counseling on health and cleaning protocols, training and demonstration on preparation of hand sanitizer using betel leaf extract and carboxhymetil cellulose of rice straw as …
B Wirjosentono, T Tamrin, AH Siregar, G Gustanto, DA Nasution
AIP Conference Proceedings 2342 (1), 2021
12021
Preparation of biodegradable and low-cost lignin-based PVOH carbon fibers prepared by electrospinning
AH Siregar, A Warman, M Harahap, G Nainggolan, D Dellyansyah, S Gea
Indonesian Journal of Chemistry 21 (6), 1463-1470, 2021
12021
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