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DetGas: A Carbon Monoxide Gas Leakage Detector Mobile Application
Kamaruddin, Farhan Fikri Mohd,Hadiana, Ana,Lokman, Anitawati Mohd International Journal of Computer ScienceNetwork S 2021 International journal of computer science and netw Vol.21 No.11
Many incidents of Carbon Monoxide (CO) poisoning have occurred because of people being unaware of its presence. There are currently available systems on the market, but they are limited to measuring CO in a certain area and lack vital functions. Additionally, little to no evidence-based information on their quality was available. Thus, a mobile application for detecting CO gas leakage in a vehicle and critical features to assist victims was developed. A usability and functionality test were conducted to determine the product's quality utilizing nine usability and six functionality task scenarios (n=5). Then, a System Usability Scale test was performed to obtain system satisfaction, usability, and learnability (n=50). The usability and functionality test shows that all the tasks given for both tests were 100% successful. The overall score obtained for SUS was 71.4, which indicates good acceptance and usability. Around 20% of respondents claimed that they would need the support of a technical person to be able to use the application and that they needed to learn a lot of things before they could use the application, which indicates the overall high learnability of the application. The result provides empirical evidence that the CO gas leakage detection mobile application is successful and receives good usability, functionality, acceptability, learnability, and satisfaction assessments. DetGas could benefit automobile owners and other stakeholders by mitigating the risk and harm associated with gas leaking that exceeds the safe limit.
Kamaruddin, Mohamad Anuar,Ismail, Norli,Fauzi, Noor Fadhilah,Alrozi, Rasyidah,Hanif, Mohamad Haziq,Norashiddin, Faris Aiman Techno-Press 2021 Advances in environmental research Vol.10 No.1
Anaerobic digestion (AD) refers to the biological process which can convert organic substrates to biogas in the absence of oxygen. The aim of this study was to determine the capability of feedstock to produce biogas and to quantify the biogas yield from different feedstocks. A co-digestion approach was carried out in a continuous stirred tank reactor operated under mesophilic conditions and at a constant organic loading rate of 0.0756 g COD/ L.day, with a hydraulic retention time of 25 days. For comparison, mono-digestion was also included in the experimental work. 2 L working volumes were used throughout the experimental work. The seed culture was obtained from composting as substrate digestion. When the feedstock was added to seeding, the biogas started to emit after three days of retention time. The highest volume of biogas was observed when the seeding volume used for 1000mL. However, the lowest volume of biogas yield was obtained from both co-digestion reactors, with a value of 340 mL. For methane yield, the highest methane production rate was 0.16 L CH4/mg. The COD with yield was at 8.6% and the lowest was at 0.5%. The highest quantity of methane was obtained from a reactor of Euphorbiaceae peel with added seeding, while the lowest methane yield came from a reactor of Euphorbiaceae stems with added seeding. In this study, sodium bicarbonate (NaHCO3) was used as a buffering solution to correct the pH in the reactor if the reactor condition was found to be in a souring or acidic condition.
An East Asian Approach to Rural Development : A Comparative of the Saemaul Undong and FELDA Programs
Nurliana Kamaruddin Institute for International Trade and Cooperation, 2018 Asian International Studies Review Vol.19 No.1
The study of East Asia has generally focused on its national development experience with emphasis given to industrial urban-based growth. However, the region has also been credited for impressive rural growth due to the Northeast Asian land reform and overall investment for a Green Revolution by states. Less emphasis has been given to a comparative exploration of different rural development programs that existed. Studies on rural development programs within the region have been diverse with case-specific perspectives, rather than in accordance with a unified conceptualization of what it means to have successful rural development. This article attempts to address that gap by evaluating two cases, the South Korean Saemaul Undong and the Malaysian Federal Land Development Authority (FELDA). It applies three different development perspectives; the neoliberal approach, the developmental state approach, and the humancentered approach, to determine the degree to which these programs can be considered successful. An East Asian conceptualization of successful rural development is identified based on an emphasis on government capacity, grassroots participation, a shared mentality for national development and a prioritization on building human capital.
Siti Mazwin Kamaruddin,Rozdiana Mohd Rosmi,Alamah Misni,Puziah Ahmad,Marlyana Azyyati Marzukhi,Mimi Zaleha Abdul Ghani 한국생태환경건축학회 2019 한국생태환경건축학회 학술발표대회 논문집 Vol.19 No.2
Using the case of a local authority’s implementation of the system and its stakeholders’ opinions this study provides an insight to the good governance approach at the planning stage to enhance the municipality delivery system of submission. The overall findings indicate that almost half of the users find the system is successful while there is still room for improvement. The resulting knowledge from this study could help to improve e-government implementation in Malaysia and could benefit other local authorities towards digital e submission of plans on line.
Nur A. Atikah Kamaruddin,Norzilah A. Halif,Siti A. Hussin,Mohd. N. Mazlee Techno-Press 2024 Advances in materials research Vol.13 No.3
Fly ash, plastic waste, and clay are mineral materials and residues commonly found in Malaysia. In this study, these materials were fully utilized as raw materials for synthesizing carbon nanotubes (CNTs). Recycled polypropylene, previously used as a food container, served as a carbon source. Fly ash and clay were explored as potential substrates for CNTs growth. The recycled polypropylene was thermally decomposed at 900 ℃ in an inert environment for 90 minutes. Carbon atoms released during this process were deposited on fly ash and clay substrates, which had been immersed in a ferrocene solution to provide a metal catalyst for CNTs growth. The deposited products were characterized using a Scanning Electron Microscope (SEM) and X-Ray Diffraction (XRD). Morphological analysis revealed that both fly ash and clay were coated with fiber-like structures, confirmed to be CNTs based on a diffraction peak around 26° from the XRD pattern. In conclusion, clay and fly ash demonstrate the potential to be utilized as substrates for CNTs formation.
Digestate residues analysis under elevated heat regime by using DNS method
Hanif, Mohamad Haziq,Kamaruddin, Mohamad Anuar,Norashiddin, Faris Aiman,Zawawi, Mohd Hafiz Techno-Press 2020 Advances in environmental research Vol.9 No.1
The problems with unsorted municipal waste are always associated with disposal issues as it requires a large area for landfilling or high energy used for incineration. In recent years, an autoclaving technique has been considered a promising approach which could minimize the volume of organic waste from being directly disposed or incinerated. In this work, an attempt was done to study the saccharification potential of organic residues under elevated temperature Thermal treatment involving hot water bath was applied to treat the organic residue ranging from 60℃ to 100℃ for 30 and 60 minutes. The result obtained showed an increasing trend for the concentration of glucose and carbohydrate. However, the result for lignocellulose content which contains various component includes extractive, holocellulose, hemicellulose, cellulose and lignin show variation. Based on the thermal treatment carried out, the result indicated that the trend of glucose and carbohydrate content. The highest percentage of glucose that can be obtained 978.602 ㎍/ml which could be obtained at 90℃ at 60 minutes. The carbohydrate also shows an increasing trend with 0.234 mg/ml as the highest peak achieved at 80℃ for 30 minutes treatment. However, it was found that the lignocellulose content varies with temperature and time. The statistical analysis was carried out using two-ways ANOVA shows an interaction effect between the independent variables (temperature and contact time) and the saccharification effects on the food wastes. The result shows a variation in the significant effect of independent variables on the changes in the composition of food waste.
Untung Setiyo Purwanto,Shahrul Kamaruddin,Norizah Mohamad 대한산업공학회 2015 Industrial Engineeering & Management Systems Vol.14 No.3
This study aims to examine the effects of industrial clustering and manufacturing flexibility on innovation capability and operational performance. This study follow a survey method to collect data pertaining to the phenomena of industrial clustering, manufacturing flexibility, innovation capability, and operational performance by utilizing a single respondent design. A total of 124 Indonesian manufacturing SMEs are taken to test the proposed theoretical model by utilizing covariance-based structural equations modeling approach. It was found that both industrial clustering and manufacturing flexibility was positively associated with operational performance and innovation capability as well. In addition, innovation capability may account for the effects of industrial clustering and manufacturing flexibility on operational performance. This implies that manufacturing SMEs have to reorient their production and operation perspectives, including agglomerate with other similar or related SMEs to develop and utilize their own resources. The SMEs also need to possess some degree of manufacturing flexibility in respond to the uncertain environment and market changes. In addition, the SMEs should put a greater emphasize to use industrial cluster and manufacturing flexibility benefits to generate innovation capability to achieve high performance.