Explanipedia

THE EFFECTS OF SEASONAL MONSOON AND COASTAL DEFENCE STRUCTURES ON LITTORAL TRANSPORT OFF THE TERENGGANU COAST (MALAYSIA) Open

Junainah Zakaria, Razak Wahab, Cherdvong Saengsupavanich, Hasrizal Shaari, Fatihah Shariful , et al. · 2025

Maintaining natural sandy shoreline behaviour following human intervention is quite challenging. Anthropogenic activities have disrupted sediment transport, leading to insufficient sediment supply, causing a loss of natural beach character…

Evaluating the Effect of Collagen Removal on Shear Bond Strength of Excite Dentin Adhesive System (Using NaOCl Treatment) In Vitro Study Open

Razak Wahab · 2025

Background: To evaluates the effect of collagen removal from acid etched dentin surface (using 10% sodium hypochlorite (NaOCl) for one minute on bond strength between composite resin and dentin surface using Excite adhesive system using tw…

First-principles calculation of a 1T-VS 2 /graphene composite as a high-performance anode material for lithium- and sodium-ion batteries Open

Ahmed Hassan, Kar Tim Chan, Kean Pah Lim, Razak Wahab, Noor Maizura Mohamad Noor , et al. · 2025

First-principles calculations show that VS 2 /graphene heterobilayers exhibit metallic conduction and ultrafast ion transport, reducing Li + /Na + barriers to 0.11/0.16 eV and offering high capacities with low OCV, ideal for fast-charging …

Exploring the Prospects of Young Bambusa vulgaris Properties for Sustainable Bamboo Plastic Composites Open

Mohamad Sulaiman, Dayang Siti, Dayang Siti Hazimmah Ali, Razak Wahab · 2024

Review: The Challenges in Setting-Up of a Biofuel Pellets Plant from Wood and Agricultural Waste Open

Razak Wahab, Hashim W. Samsi, Mohamad Sulaiman · 2023

Torrefaction on agricultural residues empty fruit bunch: Effect of torrefaction processing factors on thermal properties of torrefied empty fruit bunch biochar Open

Mohd Sukhairi Mat Rasat, Mohamad Faiz Mohd Amin, Razak Wahab, Muhammad Iqbal Ahmad, An’amt Mohamed Noor , et al. · 2023

Thermal properties of torrefied empty fruit bunch biochar were investigated in this study as an alternative to be a renewable energy material for future. Holding temperature range between 200 to 300°C and residence time for 30 to 90 minute…

Effects of Torrefaction Process on Chemical Properties of Small Diameter Acacia mangium Wood Open

Mohd Sukhairi Mat Rasat, Mohamad Faiz Mohd Amin, Razak Wahab, Muhammad Iqbal Ahmad, An’amt Mohamed Noor , et al. · 2023

Torrefaction refers to a thermal process that involves the processing of biomass in a torrefied to produce a "charred" product that can be utilised as a fuel or as a soil amendment. People need energy sources to meet their basic needs and …

Effect of Temperature with Different Composting Ages of Sawdust Open

Nasihah Mokhtar, Mohammad Zaim bin Mohd Salleh, Alvin Anhu, Sofiyah Mohd Razali, Mohamad Sulaiman , et al. · 2022

Discolouration and strength reduction of Bambusa vulgaris after the weathering process Open

Rafidah Salim, S Yuhana, K C Liew, Zaidon Ashaari, Razak Wahab , et al. · 2022

Bambusa vulgaris Schrad was studied for its colour and strength before and after weathering process. Bamboo splits of 300 mm (length) x 20 mm (width) x original thickness were conditioned in a conditioning room at 20±2°C and 65±2% relative…

Physical and mechanical properties of Tectona grandis wood after oil heat treatment process Open

Razak Wahab, R. Kamarulzaman, Sofiyah Mohd Razali, Mohamad Saiful Sulaiman, Nasihah Mokhtar , et al. · 2022

A study was carried out to investigate the effect of an oil heat treatment process on the physical and mechanical properties of the 10 and 15-year-old cultivated Tectona grandis wood. All the wood specimens typically possess the sapwood ha…

Effect of Wood-Fiber Geometry Size on Mechanical Properties of Wood-Fiber from Neolamarckia Cadamba Species Reinforced Polypropylene Composites Open

Mohd Sukhairi Mat Rasat, Razak Wahab, Amran Shafie, Ahmad Mohd Yunus AG., Mahani Yusoff , et al. · 2021

Using natural wood-fiber as reinforcement in commercial thermoplastics is gaining momentum due to its high specific properties and renewable resources. In this study, the effect of wood particle geometry size on mechanical properties of th…

Preliminary Study on Properties of Small Diameter Wild Acacia mangium Species as Potential Biomass Energy Sources Open

Mohd Sukhairi Mat Rasat, Muhammad Iqbal Ahmad, Mohd Hazim Mohamad Amini, Razak Wahab, Puad Elham , et al. · 2021

Currently, the primary energy supply in Malaysia is dominant by non-renewable energy sources such oil, natural gas and coal which contributed to the scarcity of these sources and occurrence of global warming. This phenomenon raises the pub…

Contribution of Non-Wood Forest Product to The Local Community Living Near Mangrove Forest in Kudat, Sabah Open

Andy Russel Mojiol, Julius Kodoh, Razak Wahab, Medy Majuki, Wahyudi Wahyudi · 2021

This study was conducted to identify the types of non-wood forest products from the mangrove forests that are used by people of the mangrove fringe, reviewing the contribution of non-wood forest product sales of mangrove forest on the edge…

Human Activities and Conservation Awareness between Community Use Zone (CUZ) Areas of Kinabalu Park and Crocker Range Park, Sabah Open

Andy Russel Mojiol, Maureen J. Tapuang, Razak Wahab · 2021

The Parks Enactment 1984 prohibits any human activities in the Park in order to conserve thenatural ecosystem but in reality there are some people living inside the Park and doing cultivation. Community Use Zone (CUZ) is a management optio…

Processing and Properties of Oil Palm Fronds Composite Boards from Elaeis guineensis Open

Razak Wahab, Mohd Sukhairi Mat Rasat, Norashikin Fauzi, Mohamad Saiful Sulaiman, Hashim W. Samsi , et al. · 2021

Oil palm fronds are one of the biomass residues originating from oil palm plantations. It has great potential to be used as an alternative material for the composite boards industry to reduce dependency on wood-based raw materials. The fro…

Recent Research Advances in Biology Vol. 4 Open

Mina Ofosu, Boampong Gyekye Emmanuel, Walid Khalilia, Muhammad Sanusi Yahaya, Mohd Shahrom Salisi , et al. · 2020

ENHANCING MECHANICAL PROPERTIES OF RHIZOPHORA APICULATA THROUGH ENGINEERED LAMINATED BOARDS Open

Razak Wahab, Norashikin Fauzi, Nasihah Mokhtar, Mohamad Saiful Sulaiman, Ros Syazmini Mohd Ghani , et al. · 2020

A study in enhancing the strength properties of Rhizophora apiculata by turning the solid wood into an engineered laminated board was executed.The matured Rhizophora species was selected from peat swamp forest in Sibu, Sarawak.The trunk wa…

The Scrutinizes of Anatomical Structure Using Fiber Runkle’s Ratio and Scanning Electron Microscopy on Matured Gigantochloa levis and G. scortechinii Open

Razak Wahab, Mohd Tamizi Mustafa, Mohamad Saiful Sulaiman, Taharah Edin, Nasihah Mokhtar · 2020

The correlations of microphotograph structure properties were made via a matured cultivated three-year-old tropical bamboos namely Gigantochloalevis and G. scotechinii.Bamboos were elected and harvested from the plantation plots located at…

Anatomical Properties of Cultivated 3-Year-Old Bamboo Gigantochloa Levis and G. Scotechinii Open

Razak Wahab, Mohamad Saiful Sulaiman, Mohd Tamizi Mustafa, Ros Syazmini Mohd Ghani, Nasihah Mokhtar , et al. · 2020

The anatomical properties of 3-year-old tropical bamboos Gigantochloa levis and G. scotechinii.These bamboos were selected and harvested from the plantation plots located at the Forest Research Institute Malaysia in Kepong, Selangor.The st…

Performance in Accelerated Laboratory Tests of Oil Heat Treated 16-Year-Old Acacia mangium Open

Razak Wahab, Illya N Syazwanie, Hashim W. Samsi, Mohamad Saiful Sulaiman, Ros Syazmini Mohd Ghani , et al. · 2020

Performance of the durability of oil heat-treated 16-year-old Acacia mangium through accelerated laboratory tests were studied.A. mangium logs of known age harvested and segregated into the bottom, middle, and top portions.These were oil-h…

Thermal Degradation Analysis on 4-year-old Culms of Cultivated Tropical Bamboo Bambusa Vulgaris Open

Razak Wahab, Mohd Tamizi Mustafa, Norashikin Fauzi, Hashim W. Samsi · 2017

The thermal degradation of matured 4-year-old culms of cultivated tropical bamboo Bambusa vulgariswas studied and analyzed. The analysis using the Fourier Transform Infrared Spectroscopy and Thermal Gravimetric Analysis revealed the presen…

Properties of Empty Fruit Bunches Eco-Composite Boards from Elaeis guineesis Open

Razak Wahab, Mohd Tamizi Mustafa, Mohd Sukhairi Mat Rasat, Siti Marlia Mohd Don · 2017

This studies investigated on the properties of eco-composite boards made from Elaeis guineesis empty fruit bunch. The empty fruit bunches (EFB) collected from a private Elaeis guineesis plantation in Selangor. The EFB refined using fiber c…

Assessing the Suitability of Agro-Waste from Oil Palm Empty Fruit Bunches as Quality Eco-Composite Boards Open

Razak Wahab, Mohd Sukhairi Mat Rasat, Hashim W. Samsi, Mohd Tamizi Mustafa, Siti Marlia Mohd Don · 2017

The properties of eco-composite boards from agro-waste of oil palm empty fruit bunches were studied. The oil palm empty fruit bunches (EFB) obtained from a private oil palm plantation. By using fibre cutter and particle crusher, these EFB …

Improvement in Durability of Oil Heat Treated 16-Year-Old Acacia mangium in Laboratory Tests Open

Razak Wahab, Illya Nur Syazwanie Ahmad Mazalan, Mohd Tamizi Mustafa, Andy Russel Mojiol, M.S.M. Rasat · 2017

Improvement in the durability of oil heat treated Acacia mangium through accelerated laboratory tests was studied. A. mangium logs of 16-year-old harvested and segregated into the bottom, middle, and top portions. These were oil-heat treat…

Changes in Colour, Strength and Chemical Properties of Oil Heat Treated 18-Years Old Planted Acacia mangium Open

Razak Wahab, Ros Syazmini Mohd Ghani, Hashim W. Samsi, Mohd Sukhairi Mat Rasat · 2017

This study was carried to investigate changes in the oil heat treated 18-years old of planted Acacia mangium. Harvested trees segregated into bottom, middle and top portions containing heartwood and sapwood were oil heat treated in stainle…

Preliminary study on properties of small diameter wild Leucaena Leucocephala species as potential biomass energy sources Open

Ag Ahmad Mohd Yunus, Mohd Sukhairi Mat Rasat, Razak Wahab, Mazlan Mohamed, Muhammad Iqbal Ahmad , et al. · 2016

The heavy reliance on non-renewable energy sources from fossil fuel such as petroleum, natural gas and coal has led to the scarcity of these sources and occurrence of global warming. This phenomenon raises the public concerns to diversify …

Enhancing the energy properties of fuel pellets from oil palm fronds of agricultural residues by mixing with glycerin Open

Muhamed Sharizal Sirrajudin, Mohd Sukhairi Mat Rasat, Razak Wahab, Mohd Hazim Mohamad Amini, Mazlan Mohamed , et al. · 2016

Nowadays, the main largest energy resource is coal followed by oil and natural gas. This phenomenon raises the public concerns to diversify the energy sources to sustain energy availability. To address these predicaments, biomass from agri…

Physical, Mechanical and Morphological Studies on Bio-compositeMixture of Oil Palm Frond and Kenaf Bast Fibers Open

Razak Wahab, Hashim W. Samsi, Mohd Tamizi Mustafa, Mazlan Mohamed, Mohd Sukhairi Mat Rasat , et al. · 2015

The physical, mechanical and morphological properties of bio-composite from a mixture of Oil Palm Fronds (OPF) and Kenaf Bast Fibers (KBF) are investigated.Urea formaldehyde resin used in cementing the mixtures together.The OPF and KBF wer…

Properties of Empty Fruit Bunch Oil Palm (Elaeis guineesis) Composite Boards at Different Densities and Resin Contents Open

Razak Wahab, Siti Marlia Mohd Dom, Mohd Tamizi Mus, Hashim W. Samsi, Sukhairi Mat Rasat , et al. · 2015

Properties of composite boards made from oil palm Empty Fruit Bunch (EFB) at different density and resin content were investigated.The EFB was refined using fiber cutter and particle's crusher.Hardeners and wax were added at 1 and 3% durin…

Comparative Distribution of Chemicals in Treated Gigantochloa Scortechinii Through Soaking, Vacuum Pressure and High-Pressure Sap-Displacement Open

Razak Wahab, Mahmud Sudin, Izyan Khalid, Mohammed Abdus Salam, Shafiqur Rahman , et al. · 2015

The chemicals distribution of preservatives treated bamboo Gigantochloa scortechinii through soaking, vacuum pressure and high-pressure sap displacement were studied. The distribution of chemicals in the bamboo influences their du…

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