H-inf robust controller for autonomous helicopter hovering control by Tijani, Ismaila, Akmeliawati, Rini, Legowo , Ari, Budiyono, Agus, Abdul Muthalif, Asan Gani

“…This work presents the development of robust controller for smooth hovering operation required for many autonomous-helicopter operations using H¥ loop shaping technique incorporating the Vinnicombe-gap (v-gap) metric for validation of robustness to uncertainties due to parameter variation in the system model. …”
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A desalination system utilizing solar ambient and waste energy by Hawlader, M N A, Amin, Zakaria Mohd

“…The maximum Coefficient of Performance (COP) of the heat pump system was around 5.8. In the integrated system, the maximum fresh water production rate was 9.6 litres/hr with Performance Ration (PR) of 1.2. …”
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Standardization of surface sterilization protocol of field grown stevia rebaudiana prior to in vitro clonal propagation by Urbi, Zannat, Zainuddin, Zarina

“…Results show that treatment of explants with NaOCl was more effective compared to HgCl2 and 5% NaOCl for 10 minutes with 0.2% carbendazim (fungicide) pre-treatment showed least contamination and highest survival rate. …”
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An omproved reaction rate formulation for charged-particle induced thermonuclear reaction of [sup 2]H(d,γ)[sup 4]He by Abdul Aziz, Azni, Yusof, Norhasliza, Idris, Mahirah, Abu Kassim, Hasan

“…Most nuclear reaction experiments were done in MeV range and the interior temperatures of massive stars are ~ 10^9 K. …”
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Wall pressure studies in a suddenly expanded flow for area ratio 2.56” by Baig, Maugal Ahmed Ali, Khan, Sher Afghan, Rathakrishnan, E.

“…The nozzle pressure ratio (NPR) used is 3, 5, 7, 9, and 11 for all the Mach numbers. An active control method in the form of Microjets is used to control the base pressure. …”
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Cytotoxic and antibacterial activities of constituents from Calophyllum ferrugineum ridley by Aminudin, Nurul Iman, Ahmad, Farediah, Bakhtiar, M. Taher, Mohamed Zulkifli, Razauden

“…Meanwhile, betulinic acid (5), protocatechuic acid (6) and amentoflavone (7) were isolated from the leave extract. …”
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Management of palm oil mill effluent through production of cellulases by filamentous fungi by Rashid, Shah Samiur, Alam, Md. Zahangir, Abdulkarim, Mohd Ismail, Mohd. Salleh, Hamzah

“…The results showed that T. reesei RUT C-30 gave the highest filter paper cellulase and carboxy methyl cellulase activity of 0.917 and 2.51 U/ml respectively at day 5 of fermentation. Other parameters such as growth formation, pH, filterability and total biosolids were observed to evaluate the bioconversion process.…”
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Effects of process conditions on the ultrasonic extraction of phenolics scavenger from Curcuma caesia rhizome by Jemain, Siti Fathimah Putery, Jamal, Parveen, Ahmad Raus, Raha, Amid, Azura, Jaswir , Irwandi

“…This study examined the effects of various extraction temperatures (30, 40, 50, 60, 70 ⁰C) using a high frequency (40kHz) ultrasonic extraction method, time (30,60,90 and 120 minutes), pH (1,2,3,4,5,6,7,8,9,10) on the extraction yield of total phenolics and DPPH scavenging activities from C. caesia rhizome. …”
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Development of enzymatic pretreatment of palm oil mill effluent for monomers towards biogas production by Tajul Islam, M. S., Alam, Md. Zahangir, Al-Mamun, Abdullah, Elgharbawy, Amal A., Riyadi , Fatimah A

“…About 66.67% more free fatty acid (FFA) was obtained in this study in compared to control sample by using 12.3 U/ml lipase at the pH of 4.5 with raw POME without sterilized condition. About 34.67% higher reducing sugar was recorded with the loading of 0.168FPU/ml cellulase enzyme as compared to the control at the pH of 3.7…”
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Capacitance-voltage characterization of commercial gallium nitride diodes subjected to electron radiation by Hedzir, Anati Syahirah, Muridan, Norasmahan, Abdullah, Yusof, Hasbullah, Nurul Fadzlin

“…Capacitance-voltage (C-V) characteristics of commercial GaN LEDs before and after irradiation were investigated. …”
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A 1-Gbps IR-UWB pulse generator for 802.11a and WiMAX interference avoidance by Al-Khateeb, Khalid A. Saeed, Mohammed, Ahmed R.

“…Interference on 802.11a band is avoided by adjusting a spectral notch of less than -85dBm/MHz at 5GHz. The pulse generator uses a single two ports parallel coupled microstrip line as a bandpass filter (BPF). …”
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Study of operating conditions for biodiesel production from sludge palm oil using chemical reactor by Hayyan, Adeeb, Alam, Md. Zahangir, Mirghani, Mohamed Elwathig Saeed, Kabbashi, Nassereldeen, Mohd Hakimi, Noor Irma Nazashida, Mohd Siran, Yosri, Tahiruddin, Shawaluddin

“…All experiments were performed in a 1.5 liter jacketed reactor. The results of the operating conditions for esterification process were: 2% wt/wt of sulfuric acid, molar ratio of methanol to oil 10:1 at 60o C. …”
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Accumulation of lead and copper in Rhizophora apiculata from Setiu mangrove forest, Terengganu, Malaysia by Yunus, Kamaruzzaman, Ong, Meng Chuan, Khan Chowdhury, Ahmed Jalal, Saad, Shahbudin, Omar, Muhammad Nor

“…The average concentration of Cu for Rhizophora apiculata in leaf, bark, root and sediment was 2.73, 3.94, 5.21 and 9.42 mg I(-1), respectively. Meanwhile, the average concentration of Pb in leaf, bark, root and sediment was 1.43, 1.38, 2.05 and 11.66 mg l(-1), respectively. …”
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Mobility support in MPLS network by Mahmoud, Omer, Khalifa, Othman Omran, Sellami, Ali, Hassan Abdalla Hashim, Aisha, Saeed, Rashid Abdelhaleem

“…Multi Protocol Label Switching (MPLS) is a core networking Quality of service architecture that basically operates in between Layers 2 and 3 of the Open Systems Interconnection (OSI) model; for this reason, MPLS has been referred to as operating at Layer 2.5. MPLS provides its users a number of advantageous features for instance guarantee Quality of Service (QoS), failure protection,. …”
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Metal removal from industrial wastewater by a novel carbon nanomaterial. by Onundi, Yusuf Bamidele, Al-Mamun, Abdullah, Al-Khatib, Ma'an Fahmi Rashid, Ahmed, Yehya M.

“…The results showed successful growth of CNMs on the GAC, the adsorption of lead, copper and nickel metals ions was best at pH 5, while maximum capacity was recorded at 1 g/L dosage of adsorbent for lead and copper while nickel was at 2 g/L. …”
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Preparation and characterization of inorganic MCM-41 membrane for zinc-air microbattery by Hens, Saputra, Sutjipto, Agus Geter Edy, Muhida, Riza, Ani, Mohd Hanafi, Othman, Raihan

“…MCM-41 membrane was synthesized on the electrodeposited zinc electrode by dip-coating method from a pregnant solution consisting of cethyltrimethylammonium bromide (CTAB), tetraethylortosilicate (TEOS), hydrochloric acid, ethanol and distilled water. its thickness was ca. 5 µm. Due to the hydrophilic nature of the as-synthesized MCM-41, it serves both as the cell’s separator and the electrolyte matrix. …”
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Kenaf fibre reinforced poly(lactic acid) biocomposites by Anuar, Hazleen, Ahmad, Zuraida, Jozsef Gabor, Kovacs, A., Adilah

“…The kenaf fibre content in the PLA was varied from 5%, 10%, 15% and 20% by weight. PLA-KF biocomposite was extruded using Haake twin screw extruder before injection molded for further mechanical characterization. …”
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Synthesis and characterization of bubble wrap-like hollow barium silicate–carbonate nanospheres for the epoxidation of styrene by Tan, Kok Hou, Iqbal, Anwar, Adam, Farook, Abu Bakar, N.H.H., M. Yusop, Rahimi, Ahmad, Mohammad Norazmi

“…The average pore size, BET surface area and total pore volume of the most catalytically active catalyst in the epoxidation of styrene, 1.00BaMST were 5.0 nm, 42 m2 g−1 and 0.0771 cm3 g−1, respectively. …”
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A note on Chinese stock market efficiency: fresh evidence from non-linear unit root test by Abdul Manap, Turkhan Ali

“…In doing so, the nonlinearity test of Harvey, Leybourne, and Xiao (2008)5 is used to have an insight into the best specification of the model. …”
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Fabrication of CuSiC composite by powder metallurgy route by A. R. , Fatimah Azreen, Sutjipto, Agus Geter Edy, Adesta, Erry Yulian Triblas

“…Then, the mixtures were uniaxially compacted into a ɸ13.5mm cylindrical pallet and followed by sintering in vacuum furnace from 800-950°C for 4 hours. …”
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