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<![CDATA[Comparison study towards an old Acehnese fara’idh table ]]>
<![CDATA[Salmawaty Arif]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[The paper aims to present the process of preliminary study on Acehnese manuscript about fara’idh. The script presented the law in the form of a compact table, written in Jawi script and Arabic. The research studied the table formation and filled it with the content of another fara’idh table from the current reference. This step was done to do the comparison of the two tables to get insights of the old table before further investigation about its mathematical properties. Previous investigation showed some differences in the writing of parts of the tables. This research continued to see the differences of the whole tables. Further purpose is to re implement the usage of the table in Acehnese daily use as well as broader advantage]]>
<![CDATA[Relationship between personality and coping with stress among undergraduates of Universiti Kebangsaan Malaysia ]]>
<![CDATA[Choong-Yeun Liong]]>;
<![CDATA[Hui-Ping Yeoh]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[Personality and stress play an important role in our daily life. Stress will bring a positive effect, i.e. as a motivation if we can manage and handle it well. Therefore strategy of coping style is very important when one is under stress. The aim of this study is to explore the relationship between personality type and coping with stress style among undergraduates of Universiti Kebangsaan Malaysia. Specifically, the aim is to find out whether types of personality will affect the coping style when an undergraduate is under stress. This study also investigates the influence of demographic aspects of gender, ethnicity and stream of faculty on the relationship. Data were collected using questionnaires which were distributed to a total of 370 undergraduates from various faculties. Psychological test tools of NEO Five Factor Inventory and Coping Inventory for Stressful Situation were used to determine the personality and coping style of the respondents. The data were analyzed using SPSS. The data analysis techniques include descriptive analysis, reliability analysis, nonparametric correlation and partial nonparametric correlation tests. The results show that there are moderate positive correlations between Conscientiousness and problem-focused coping style, and between Neuroticism and emotion-focused coping style. Besides that, there are significant weak positive correlations between Extraversion and Openness with problem-focused coping style. Nonparametric test shows that Agreeableness and Conscientiousness are different between the genders. Results also show that Extraversion and Conscientiousness personality types, and the Avoidance coping style are significantly different among the ethnics. A few suggestions were also given for further study in the future]]>
<![CDATA[Comparative performance study of two simple soot models for the prediction of soot level in atmospheric turbulent non-premixed flames ]]>
<![CDATA[. Elwina]]>;
<![CDATA[. Yunardi]]>;
<![CDATA[Novi Sylvia]]>;
<![CDATA[. Wusnah]]>;
<![CDATA[Yazid Bindar]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[The increase of current fossil fuel consumption has led to an increase of soot emission into atmosphere. Accurate prediction of soot production and destruction in a combustion system is not only important for the purpose of the design of the system, but also vital for the operation of the combustor. Numerous soot models have been proposed to predict the soot production and destruction in a flame, categorized as empirical, semi-empirical and detailed soot models. Although the detailed model represents the highest level of soot modelling, its use has been impaired by substantial requirement of resources of computer and time. Therefore, empirical and semi-empirical approaches still have their position in soot modelling of practical combustors. In this study, two soot models, single-step and two-step models are examined in the simulation of atmospheric turbulent non-premixed sooting flames. The soot models are compared and evaluated for their performance in predicting soot level in methane and ethylene non-premixed flames. The commercial software Fluent 6.3 was used to perform the calculations of flow and mixing fields, combustion and soot. Standard k-ε and eddy dissipation models were selected as solvers for the representation of the turbulence and combustion, respectively. The two soot models used in the study are available directly from the code for evaluation. The results show that the two-step model clearly performed far better than the single-step model in predicting the soot level in both methane and ethylene non-premixed flames. With a slight modification in the constant a of the soot formation equation, the two-step model was capable of producing prediction of soot level closer to experimental data. In contrast, the single-soot model produced very poor results, leading to a significant under-prediction of soot levels in both flames.]]>
<![CDATA[Isolation and crystallization of patchouly alcohol from patchouly oil ]]>
<![CDATA[Yuliani Aisyah]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[Patchouly alcohol is the main component in patchouly oil, and its quantity influences to the quality and price of patchouly oil in trade. According to ISO 3757:2002 standard, the patchouly oil have to contain 27-35% of patchouly alcohol and according to SNI 06-2385-2006 standard, they have to contain at least 31%. Cromatography gas is the standard method recomended by ISO 3757/2002 for testing the quality of patchouly oil. This method requires the original compound of pure patchouly alcohol as the reference material. However the authentic compound of pure patchouly alcohol is not yet available in the chemical trade. Therefore, research should be focused on determining a patchouly oil standar as laboratory reference testing in Indonesia. The experiment of isolation patchouly alcohol from patchouly oil was conducted using fractional distillation method. The isolated patchouly alcohol was identified by gas chromatography-mass spectrometry method. The isolation gave 6.23% yield of patchouly alcohol, and the purity of isolated patchouly alcohol was 95.68%.]]>
<![CDATA[Geoelectrical characterization for liquefaction at coastal zone in South Aceh ]]>
<![CDATA[Muhammad Syukri]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[The paper presents a case study of liquefaction investigation, carried out in an area of the South Aceh coast. The zone lies on low flat plain at Tanjung Harapan Village, west coast of Aceh. The process of site investigation is controlled by: occurrence of groundwater, nature of bedrock, and presence of clays. Prediction of liquefaction zones in high seismicity regions will be a great help to mitigate hazards. Geoelectric resistivity using a combination both vertical electrical sounding and horizontal resistivity images of Wenner-Schlumberger configuration have been carried out and can be of help to delineate the liquefaction zones. With this backdrop, it believe that in conjunction with soil and sediment characteristics indicating high susceptibility to liquefaction, and resistivity anomalies will provide vital information to predict and identify the liquefaction zones. Results of this study revealed the surface layer consists of loose sediments, sandy clay, and silty sandy layer are potentially liquefied during earthquake. The 2-D model sections at 10 m electrode spacing were described, together with subsurface structures can be used to predict the resistivity values at a approximately 48 m depth]]>
<![CDATA[Phenol degradation on heterogeneous catalytic oxidation by using cobalt-natural zeolite catalyst ]]>
<![CDATA[Syaifullah Muhammad]]>;
<![CDATA[Edy Saputra]]>;
<![CDATA[Shaobin Wang]]>;
<![CDATA[Moses O. Tadé]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[Two types of catalysts based on Indonesia Natural Zeolite (INZ) and Australia Natural Zeolite (ANZ) were prepared by impregnation of 5 % of active metal cobalt. The synthesized catalysts were calcined in air at 5500C for 6 hours. The catalysts were then used to degrade phenol concentration in heterogeneous catalytic oxidation with the presence of oxone as peroxymonosulphate source. The catalysts were also characterized by several techniques such as SEM, EDS and N2 adsorption. It was found that Co-INZ and Co-ANZ are effective catalyst in activation of peroxymonosulphate to produce sulphate radicals to degrade phenol concentration. In reaction test of 5 hours, with condition of 25 ppm phenol, 0.2 g catalyst loading, 1 gram oxone, 250C and stirring speed of 400 rpm, Co-INZ and Co-ANZ could reduce phenol up to 100% and 70% respectively. Further, several parameters such as amount of catalyst loading, phenol concentration, oxidant concentration and temperature are found as key factors in phenol degradation. Moreover, based on the trend of phenol degradation following by kinetic study, it was proved that the pseudo first order kinetics would fit to phenol oxidation with the rate constants of 0.0106 and for 0.0033 Co-INZ and Co-ANZ respevtively]]>
<![CDATA[Early detection of rotor-bar faults of three-phase induction motor using motor current signature analysis method ]]>
<![CDATA[. Syafrudin]]>;
<![CDATA[Arnawan Hasibuan]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[Three-phase induction motors play a pivotal role in industry and there is a strong demand for their reliable and safe operation. They are generally reliable but eventually do wear out. Faults and failures of induction motor can lead to excessive downtimes and generate large losses in terms of maintenance and lost revenues, and this motivates the examination of on-line condition early detecting. On-line condition early detecting involves taking measurements on a motor while it is operating in order to detect faults with the aim of reducing both unexpected failures and maintenance costs. Motor Current Signature Analysis (MCSA) method is a way to detection of condition monitoring technique used to early detection problems in rotor bar fault of three- phase induction motors. In this paper presented the experimental results of frequency spectrum Fast Fourier Transform (FFT) stator current on-line censorship a three-phase induction motor using LabVIEW algorithm for detecting of rotor conductors faults. The stator current FFT analyzed using Motor Current Signature Analysis (MCSA) method.]]>
<![CDATA[Malay mathematics based on Terengganu Inscription ]]>
<![CDATA[Abdul Razak Salleh]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
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<![CDATA[We exhibit the Malay Mathematics in the 14th century Terengganu Inscription dated 702H, that is 1303. There are several mathematical elements that we classify as Malay numbers (cardinal and ordinal), units of measurement, position (location and position in a family), elements of logic, and time (day, month and year). We also give an equivalent amount of fine imposed to convicts as listed in the inscription.]]>
<![CDATA[A study of hydrogen storage in zirconium-containing NaY5.7 zeolite ]]>
<![CDATA[F. Mulana]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[The inclusion of metals/alloys inside the pores of zeolite is of a great interest for developing composites with functional materials distributed in the intended fields. Zirconium-containing NaY5.7 zeolite samples with 1 wt% and 3 wt% metal loading were prepared using impregnation method. The starting material was commercial available NaY5.7 zeolite and zirconocene dichloride ((C5H5)2ZrCl2)as zirconium source and benzene as solvent. The characterization of samples was performed by X-ray diffraction (Rigaku RINT2000) using a Cu Kα radiation, nitrogen adsorption isotherms, hydrogen sorption isotherms and heats of sorption by a twin-conduction-type calorimeter (Tokyo Riko Co., Japan) equipped with a volumetric adsorption system at 298 K. The X-ray diffraction pattern reveals that the framework structure of zeolite is retained in the calcination condition performed and the metallic form of zirconium exists on zeolite particles. The nitrogen adsorption isotherm for the zirconium-containing NaY5.7 zeolite was similar to that for the untreated zeolite which indicates that Zr-NaY sample retains its structure even after the heat treatment at higher temperature. The hydrogen sorption on Zr-NaY5.7 zeolite was brought about by a combination of formation of solid solution inside zeolite pores and hydridation of zirconium species. The inclusion of zirconium inside the framework of NaY5.7 zeolite has increased the amount of occluded hydrogen on all synthesized samples. NaY5.7 zeolite itself could occlude hydrogen approximately 0.097 mmol H2/gr at low hydrogen pressure of 80 kPa. Zirconium-NaY5.7 zeolite system, which resided zirconium nanoparticles inside the pores of zeolite, could be one of alternative composites to be used for hydrogen sorbing materials providing water resistance.]]>
<![CDATA[Proposed long period transition map for new Indonesia earthquake resistant building code based on Indonesia seismic hazard map 2010 ]]>
<![CDATA[Usama Juniansyah Fauzi]]>;
<![CDATA[Achmad Fauzi]]>;
<![CDATA[Masyhur Irsyam]]>;
<![CDATA[F. X. Toha]]>;
<![CDATA[. Hendriyawan]]>
<![CDATA[ Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering ]]>
Publisher : <![CDATA[Syiah Kuala University ]]>
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<![CDATA[The new method for determining ground-motion parameters in the next edition of the Indonesian Earthquake Resistant Building Code SNI 03-1726-X, which will be issued in this year, has significant changes than the old code. The major changes in SNI 03-1726-X are using Risk-Targeted Maximum Considered Earthquake (MCER) Spectral Response Acceleration maps. These maps developed by Team for Revision of Seismic Hazard Maps of Indonesia were based on probabilistic approach for 2% probability of exceedance in 50 years and deterministic approach by using three-dimensional seismic source models and by considering latest geological and seismological data and fragility curve of buildings. For building design, it has been decided that ASCE 7-10 will be adopted for coming code SNI 03-1725-X. The design philosophy adopted from ASCE 07-10 standard contains a significant addition consisting of a constant-displacement segment of the design response spectrum. This paper presents the proposed parameter TL developed by the author and Disaster Mitigation Research Center ITB (Pusat Penelitian Mitigasi Bencana ITB) to provide more realistic estimates of the ground motions at periods T 4 sec by consisting a constant-displacement segment.]]>
