Items where Author is "Umar, Roslan"

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Article

Muda, W. M. W and Umar, Roslan (2016) ASSESSMENT OF ECONOMIC FEASIBILITY FOR GRIDCONNECTED RENEWABLE ENERGY SYSTEM FOR A HOUSEHOLD APPLICATION IN TERENGGANU. International Journal of Energy Production and Management, 1 (3). pp. 223-232. ISSN 2056-328

Ismail, Azimah and Toriman, Mohd Ekhwan and Juahir, Hafizan and Zain, Sharifuddin Md and Habir, Nur Liyana Abdul and Retnam, Ananthy and Kamarudin, Mohd Khairul Amri and Umar, Roslan and Azid, Azman (2016) Spatial assessment and source identification of heavy metals pollution in surface water using several chemometric techniques. Marine Pollution Bulletin , 106 (1-2). 292 - 300. ISSN 0025-326X (printed) 1879-3363 (Online) (In Press)

Azaman, Fazureen and Azid, Azman and Juahir, Hafizan and Toriman, Mohd Ekhwan and Mustafa, Ahmad Dasuki and Yunus, Kamaruzzaman and Amran, Mohammad Azizi and Hasnam, C N C and Umar, Roslan (2015) APPLICATION OF ARTIFICIAL NEURAL NETWORK AND RESPONSE SURFACE METHODOLOGY FOR MODELLING OF HYDROGEN PRODUCTION USING NICKEL LOADED ZEOLITE. Jurnal Teknologi, 77 (1). pp. 109-118. ISSN 0127–9696

Toriman, Mohd Ekhwan and Kamarudin, Mohd Khairul Amri and Umar, Roslan and Muhamad, Asyaari and Abdul Aziz, Nor Azlina (2015) ASSESSMENT OF LAND USE CHANGE AND SEDIMENTATION MODELLING ON ENVIRONMENTAL HEALTH IN TROPICAL RIVER. Malaysian Journal of Analytical Sciences, 19 (6). 1335 -1347. ISSN 1394-2506

Kamarudin, Mohd Khairul Amri and Toriman, Mohd Ekhwan and Juahir, Hafizan and Azid, Azman and Gasim, Muhammad Barzani and Umar, Roslan (2015) ASSESSMENT OF RIVER PLAN CHANGE USING RS AND GIS TECHNIQUE. Jurnal Teknologi, 76 (1). pp. 31-38. ISSN 0127–9696

Toriman, Mohd Ekhwan and Abdullah, Siti Fazillah and Azizan, Izwan Arif and Kamarudin, Khairul Amri and Umar, Roslan and Mohamad, Nasir (2015) SPATIAL AND TEMPORAL ASSESSMENT ON DRUG ADDICTION USING MULTIVARIATE ANALYSIS AND GIS. Malaysian Journal of Analytical Sciences, 19 (6). pp. 1361-1373. ISSN 1394-2506

Umar, Roslan and Sabri, Nor Hazmin and Zainal Abidin, Zamri and Azid, Azman and Juahir, Hafizan and Toriman, Mohd Ekhwan and Kamarudin, Mohd Khairul Amri (2015) PRELIMINARY STUDY OF RADIO ASTRONOMICAL LINES EFFECT OF RAIN BELOW 2.9 GHZ. Jurnal Teknologi, 75 (1). pp. 7-11. ISSN 0127–9696

Sabri, Nor Hazmin and Umar, Roslan and Wan Mokhtar, Wan Zul Adli and Zainal Abidin, Zamri and Ibrahim, Zainol Abidin and Azid, Azman and Juahir, Hafizan and Toriman, Mohd Ekhwan and Kamarudin, Mohd Khairul Amri (2015) PRELIMINARY STUDY OF VEHICULAR TRAFfiC EFFECT ON RADIO SIGNAL FOR RADIO. Jurnal Teknologi, 75 (1). pp. 313-318. ISSN 0127–9696

Gasim, Muhammad Barzani and Zakaria, Nazirah and Umar, Roslan and Mustafa, Ahmad Darsuki (2015) ANALISIS KUALITI AIR FIZIKO-KIMIA DAN KANDUNGAN MIKROB DI HULU SUNGAI LANGAT, SELANGOR. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1072-1083. ISSN 1394-2506

Adnan, A.a and Nair, G.R.b and Lay, M.C.c and Swan, J.E.c and Umar, Roslan (2015) Glycerol as a cheaper carbon source in bacterial cellulose (BC) production by Gluconacetobacter xylinus DSM46604 in batch fermentation system Gliserol sebagai sumber karbon kos rendah dalam penghasilan bakteria selulosa (BC) oleh Gluconacetobacter xylinus DSM46604 dalam sistem penapaian berkelompok. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1131-1136. ISSN 1394-2506

Umar, Roslan and Hazmin, Sabri Nor and Abidin, Zamri Zainal and Ibrahim, Zainol Abidin (2015) HOW TO DEAL WITH RADIO ASTRONOMY INTERFERENCE. Publications of the Korean Astronomical Society, 30 (2). pp. 691-693. ISSN 1225-1534

Azid, Azman and Juahir, Hafizan and Toriman, Mohd Ekhwan and Endut, Azizah and Abdul Rahman, Mohd Nordin and Kamarudin, Mohd Khairul Amri and Umar, Roslan (2015) Identification Source of Variation on Regional Impact of Air Quality Pattern Using Chemometric. Aerosol and Air Quality Research. ISSN 1680-8584 (In Press)

Umar, Roslan and Sabri, N.H. and Ibrahim, Z.A. and Abidin, Z.Z. and Muhamad, A.a (2015) Measurement technique in radio frequency interference (RFI) study for radio astronomy purposes Teknik pengukuran dalam kajian gangguan interferen radio (RFI) bagi tujuan astronomi radio. Malaysian Journal of Analytical Sciences, 19 (5). pp. 960-965. ISSN 1394-2506

HASHIM, N and ABIDIN, ZZ and IBRAHIM, UFSU and HASSAN, MSR and HAMIDI, ZS and Umar, Roslan and IBRAHIM, ZA (2015) The Nonlinear Least Square Fitting for Rotation Curve of Orion Dwarf Spiral. Sains Malaysiana, 44 (3). pp. 457-462. ISSN 0126-6039

Zainal Abidin, Zamri and Mohd Anim, Norsuzian and Hamidi, Zety Sharizat and Monstein, Christian and Ibrahim, Zainol Abidin and Umar, Roslan and Shariff, Nur Nafhatun Md and Ramli, Nabilah and Aziz, Noor Aqma Iryani and Sukma, Indriani (2015) Radio Frequency Interference in Solar Monitoring using CALLISTO. New Astronomy Reviews, 67. pp. 18-33. ISSN 1387-6473 (Printed) 1872-9630 (Online) (In Press)

Sabri, N.H.a and Syed Zafar, S.N.A.b and Umar, Roslan and Wan Mokhtar, W.Z.A.e (2015) Radio frequency interference: The effect of ambient carbon dioxide (CO2) concentration on radio signal for radio astronomy purposes Interferens frekuensi radio: Kesan kepekatan karbon dioksida (CO2) ambien ke atas isyarat radio dalam kajian astronomi radio. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1065-1071. ISSN 1394-2506

Umar, Roslan and Sulan, S.S and Azlan, A.W and Ibrahim, Z.A. and Wan Mokhtar, W.Z.A. and Sabri, N.H. (2015) Radio frequency interference: The study of rain effect on radio signal attenuation Interferens frekuensi radio: Kajian kesan hujan pada pengecilan isyarat radio. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1093-1098. ISSN 1394-2506

Sabri, , Nor Hazmin and Azlan, A.W and Umar, Roslan and Ibrahim, Zainol Abidin and Wan Mokhtar, Wan Zul Adli and Sulan, S.S (2015) The effect of solar radiation on radio signal for radio astronomy purposes Kesan radiasi solar terhadap isyarat radio untuk kajian astronomi radio. Malaysian Journal of Analytical Sciences, 19 (6). pp. 1374-1381. ISSN 1394-2506

Gasim, Muhammad Barzani and Zakaria, N and Umar, Roslan and Mustafa, A.D. (2015) A physico-chemical water quality and microbial content analysis in upstream of Langat river, Selangor) Analisis kualiti air fiziko-kimia dan kandungan mikrob di hulu sungai Langat, Selangor. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1072-1083. ISSN 1394-2506

Umar, Roslan and Zainal Abidin, Zamri and Ibrahim, Zainol Abidin and Rosli, Zulfazli and Noorazlan, Noorkhallaf (2014) Selection of radio astronomical observation sites and its dependence on human generated RFI. Research in Astronomy and Astrophysics, 14 (2). p. 241. ISSN 1674-4527

Abidin, ZZ and Umar, Roslan and Ibrahim, ZA and Rosli, Z and Asanok, K and Gasiprong, N (2013) Investigation on the Frequency Allocation for Radio Astronomy at the L Band. Publications of the Astronomical Society of Australia, 30. pp. 1-10. ISSN 1323-3580

Hamidi, ZS and Shariff, NNM and Monstein, C and Abidin, ZZ and Ibrahim, ZA and Hashim, N and Umar, Roslan and Aziz, NAI (2013) Space Weather: The Role of Solar Radio Monitoring in Malaysia and Implications of Sun Activities to the Earth. International Journal of Fundamental Physical Sciences, 3 (4). pp. 53-67. ISSN 2231-8186

Umar, Roslan and Abidin, ZZ and Ibrahim, ZA and Gasiprong, N and Asanok, K and Nammahachak, S and Aukkaravittayapun, S and Somboopon, P and Prasit, A and Prasert, N and Hamidi, ZS and Hashim, N and Ungku Ibrahim, Ungku Ferwani Salwa (2013) The Study of Radio Frequency Interference (RFI) in Altitude Effect on Radio Astronomy In Malaysia And Thailand. Middle-East Journal of Scientific Research, 14 (6). pp. 861-866. ISSN 1990-9233

Hamidi, ZS and Shariff, NNM and Umar, Roslan (2012) Influence Factors of Radio Frequency Interference (RFI) for Solar Radio Astronomy Purpose at National Space Centre. Thail Journal of Physics, 3. pp. 235-238.

Book Section

Kamarudin, Mohd Khairul Amri and Toriman, Mohd Ekhwan and Juahir, Hafizan and Azid, Azman and Umar, Roslan and Endut, Azizah (2015) Kesan Sedimentasi Terhadap Hidrologi dan Kejadian Banjir: Satu Kajian Kes di Sungai Kelantan. In: BENCANA BANJIR Kupasan Pelbagai Perspektif. Penerbit Unisza, pp. 53-68. ISBN 978-967-0899-14-5

Othman, Mohd Shahril and Ali, Mohd Safri and Syed Omar, Syed Hadzrullathfi and Umar, Roslan (2015) Pendekatan Psikospiritual dalam Menangani Isu Stres Akibat Banjir. In: BENCANA BANJIR Kupasan Pelbagai Perspektif. UniSZA, UniSZA, pp. 143-159. ISBN 978-967-0899-14-5

Umar, Roslan and Kamarudin, Mohd Khairul Amri and Azid, Azman and Toriman, Mohd Ekhwan and Juahir, Hafizan and Hairoma, Norsyuhada (2015) Putaran Bumi-Bulan dan Kesannya Terhadap Banjir. In: BENCANA BANJIR Kupasan Pelbagai Perspektif. UniSZA, pp. 39-51. ISBN 978-967-0899-14-5

Conference or Workshop Item

Umar, Roslan and Mat Jusoh, Ahmad Jazlan and Mohd Nawawi, Mohd Saiful Anwar (2015) PENCERAPAN ANAK BULAN MENGGUNAKAN OPTIK DAN RADIO. In: International Seminar on al - Quran in Contemporary Society, 10-11 Oktober 2015, UniSZA.

Abdullahi, MG and Toriman, Mohd Ekhwan and Gasim, Muhammad Barzani and Iliyasu, Garba and Kamarudin, Mohd Khairul Amri and Umar, Roslan (2015) Assessment of Natural Groundwater Recharge in Terengganu, Malaysia. In: 1st AnnualInternational Conference, Nov 2015, Kano, Nigeria.

Umar, Roslan and S. N., Hazmin (2015) Measurement Technique in RFI Study for Radio Astronomy Purposes. In: MPI UNISZA 2015, 14-16 April 2015, UniSZA. (Unpublished)

M, Roshidah and M. S., Marhamah and Umar, Roslan and S. N., Hazmin (2015) Tropical Weather Effect on the Tropospheric Radio Wave Propagation below 9GHz : A Pilot Study. In: PPSA Postgraduate Colloquium 2015 UMT. (Submitted)

Umar, Roslan and Abidin, Zamri Zainal and Ibrahim, Zainol Abidin (2014) The Importance of Site Selection for Radio Astronomy. In: Journal of Physics: Conference Series 539 (2014) 012009.

Umar, Roslan and Abidin, Zamri Zainal and Ibrahim, Zainol Abidin (2013) The importance of Radio Quiet Zone (RQZ) for radio astronomy. In: 2012 NATIONAL PHYSICS CONFERENCE:(PERFIK 2012), 19–21 November 2012, Colmar Tropicale, Bukit Tinggi, Pahang.

Umar, Roslan and Abidin, Zamri Zainal and Ibrahim, Zainol Abidin and Hassan, Mohd Saiful Rizal and Rosli, Zulfazli and Hamidi, Zety Shahrizat (2012) Population density effect on radio frequencies interference (RFI) in radio astronomy. In: INTERNATIONAL CONFERENCE ON PHYSICS AND ITS APPLICATIONS:(ICPAP 2011), 10-11 November 2012, Bandung, Indonesia.

Umar, Roslan (2011) Altitude Effect on Radio Frequency Interference (RFI) in Radio Astronomy. In: 7thMPSGC , 12-14 Dec 2011, NUS, Singapore. (Unpublished)

Umar, Roslan and Abidin, Z.Z and Ibrahim, Z.A (2011) Implementing the GIS technique for RFI mapping for radio astronomy in Malaysia. In: Space Science and Communication (IconSpace), 2011 IEEE International Conference on, 12-13 July 2011, Penang, Malaysia.

Hashim, N and Abidin, ZZ and Ibrahim, UFSU and Umar, Roslan and Hassan, MSR and Rosli, Z and Hamidi, ZS and Ibrahim, ZA (2011) Radio Astronomy in Malaysia: Current Status and Outreach Activities. In: Astronomical Society of the Pacific Conference Series.

Video

Umar, Roslan and Juahir, Hafizan (2016) RANGKUMAN LAPORAN GERHANA MATAHARI SEPARA 9 MAC 2016. [Video]

This list was generated on Fri Sep 22 14:14:43 2017 MYT.