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Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter
Published by Universitas Syiah Kuala
ISSN : -     EISSN : -     DOI : -
Core Subject : Education, Engineering,
Engineering Other
Arjuna Subject : -
Articles 402 Documents
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The distribution and zonation of barnacles around intertidal shores of Penang Island Nurul H.H. Amir; Anita Talib; Omar Ahmad; Khairun Yahya
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 3, No 1 (2013): Life Sciences
Publisher : Syiah Kuala University

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Abstract

The intertidal shores around Penang Island were surveyed for the distribution of barnacles from 14th November 2011 to 31st January 2012. The sampling was done by using 20 cm x 20 cm transect to count the barnacles. Three replicates were taken for each zonation available of the intertidal areas; i.e. upper, middle, and lower zonations, at every sampling site. From the result, three species were identified, including Euraphia withersi and Chthamalus malayensis from Family Chthamalidae, and Balanus amphitrite amphitrite from Family Balanidae. Chthamalus malayensis was found to be most abundant among the three species with 44.24% of total population; and Tg. Tokong recorded the highest abundance of this species (28.22%). This was followed by Euraphia withersi with 38.77%; which was found to be densely populated at Gelugor (21.92%). Balanus amphitrite amphitritewas least abundant with only 16.99% and mostly found at Gurney Drive (26.24%).The distribution of the three species of barnacles also varied among the sampling locations. Gertak Sanggul recorded the highest relative abundance of all three species of barnacles at 18.01%; while the location with the least relative abundance of barnacles is Queensbay with 0.33%.Based on ‘Non-Supervised Artificial Neural Network’ (ANN), distinct zonation was observed where Chthamalus malayensis was more dominant on the upper zonation; Euraphia withersi on the middle zonation; and Balanus amphitrite amphitrite on the lower zonation. The interaction betweenbarnacles with other barnacles leads to competitive exclusion and niche partitioning which created zonations among the species. Interspecies interaction that brought by predation also played a part in the distribution of barnacles. Apart from that, the distribution was affected by the sampling sites and humanactivities; such as embankment, land reclamation, and residential development.
Utilization of textile waste (batik remnants) for womens’ wear in Yogyakarta, Indonesia . Novita
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

Innovation in the art of Indonesian batik making has triggered a larger consumption of the material for both formal and informal events.  Along with the development of the art, batik has become a trend with a new decorative look that is unique, interesting and varied. Lately, indulgence in the use of batik in Yogyakarta has led to increased waste in the form of the remnants. Batik remnants in Yogyakarta that continue to accumulate and not used will have a negative impact and cause environmental pollution. The purpose of this research is to build an innovative application on the utilization of industrial wastes that is the recycling of batik remnants into products of economic value.  It is expected that utilizing batik remnants can produce creative and innovative womens’ wear. The objectives are to create a number of artistic designs from batik remnants and at the same time save the environment. A total of four contemporary womens’ wear from batik remnants produced into prototypes. With creativity, innovation and exploration, batik remnants in Yogyakarta which are no longer used can be recycled into womens’ wear, which are high in economic value, and at the same time can help reduce environmental pollution
Description of Bulbitermes singaporiensis (Haviland) (Termitidae, Nasutitermitinae) at the Gunung Leuser National Park, Sumatra, Indonesia . Husni; . Syaukan
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

This paper described a nasute termite, Bulbitermes singaporiensis, being collected from various habitats and altitudes at the Gunung Leuser National Park. This species constructs round, ball-like carton nests of variable sizes. The nests are attached to the base, stem, branches of trees, or located at the fork of tree branches. A number of new characters and its bionomics and distribution are mentioned briefly
Simulation of the crosswind and the steam addition effect on the flare flame . WUSNAH; . YUNARDI; NOVI SYLVIA; . ELWINA; YAZID BINDAR
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 4, No 1 (2014): Engineering
Publisher : Syiah Kuala University

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Abstract

This paper presents the results obtained from the application of computational fluid dynamics (CFD) to modelling the crosswind and steam addition effect on a turbulent non-premixed flame. A pre-processor software GAMBIT was employed to set up the configuration, discretisation, and boundary conditions of the flame being investigated.  The commercial software Fluent 6.3 was used to perform the calculations of flow and mixing fields as well as combustion. Standard k-ε and eddy dissipation models were selected as solvers for the representation of the turbulence and combustion, respectively.  The results of all calculations are presented in the forms of contour profiles.  During the investigation, the treatment was performed by setting a  velocity of fuel at 20 m/s with varied cross-wind velocity at  3.77 m/s, 7.5 m/s and 10 m/s,  and steam/fuel ratio at 0.14, 0.25 and 2.35.  The results of the investigation showed that the standard k-ε turbulence model in conjunction with Eddy Dissipation Model representing the combustion was capable of producing reliable phenomena of the flow field and reactive scalars field in the turbulent non-premixed flame being investigated. Other results of the investigation showed that increasing the velocity of the crosswind, when the fuel velocity was kept constant, significantly affected the flow field, temperature and species concentrations in the flare flame. On the other hand, when the velocity of the fuel was varied at the constant crosswind velocity, the increasing velocity of the fuel gave positive impact as it enabled to counteract the effect of crosswind on the flare flame. The velocity of the crosswind very influence of combustion efficiency, from result of the investigation showed that increasing the velocity of the crosswind significantly affected the combustion efficiency, other result of the inverstigation showed that steam addition will very influencing combustion, excelsior the steam/fuel ratio results the combustion efficiency decrease
Teaching descriptive statistics using R Dedi Rosadi; Khabib Mustofa; Iman Sanjaya; Hendra Perdana; Krisna Mutiara Wati
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 3, No 2 (2013): Engineering
Publisher : Syiah Kuala University

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Abstract

In this paper, we introduce the application of R for teaching statistics descriptive subject which is usually given in the undergraduate statistics course. As an illustration, we will consider the use of R for teaching the subject frequency distribution table, both using the R-CLI and R-GUI version. The R-GUIversion used here is a part of Rplugin.SPSS which is currently under our extensive development. Rplugin.SPSS is a R Commander Plugin, which is a reorganized and an extented version of the menu of Statistics in R-Commander, a SPSS-like version menu. It can be also considered as the extended version of Rplugin.Econometrics (Rosadi, 2010). Further details and further examples can be found in Rosadi (2011,2013).
Breeding better Flax (Linum usitatissimum L.) for agronomic and consumption values under different field treatments Mohammad Mehdi Rahimi; Mohammad Amin Zarei; Ali Arminian
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 1 (2011): Life Sciences
Publisher : Syiah Kuala University

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Abstract

We studies some best levels of N fertilizer (0 to 150 kgha-1) and cultivation dates on grain yield its related characters and 5 food consumption compositions on 8 Linseed varieties at Yasooj Azad University, Iran, during 2009 and 2010 in field experiments as RBD split-plot designs. As a result, early sowings (14th March) along with moderate-to-high N fertilizer (100-150 kgha-1) led to highest yields. Significant positive associations found between agronomic and biochemical; oil percentage and Linoleic fatty acids. Path coefficients analysis revealed interestingly that Capsule number and primary branch per plant, plant height and 1000-seed weight had the most positive direct effects on seed yield. According to PCA, first two traits, along with height and 1000-seed weight, oleic and Linoleic acids and dry weight had the most contributions, interpreting almost all the variation. Thus, to  simultaneous  breeding  of high  oil and yielding  flax varieties, capsule number per plant, primary branch per plant, plant height and 1000-seed weight should firstly be considered followed by oleic and Linoleic fatty acids
Poultry sellers’ perception and their effort for prevention strategy on avian influenza in Banda Aceh, Indonesia . Darmawi; Teuku R. Ferasyi; . Muthmainnah; Ummu Balqis; . Fakhrurrazi; . Darniati; Muhammad Hambal
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

A study was conducted to examine some poultry sellers’ perception of the Avian influenza (birdflu) in nine locations (Ulee Kareng, Batoh, Lamnyong, Kampong Baru, Peunayong, Setui, Kampong Ateuk, and Neusu) in Banda Aceh Municipality, Indonesia. Primary data were obtained with the use of a structured questionnaire administared to ninety nine (99) respondents selected using proportional stratified random sampling, between November to December 2011. Information was obtained using the questionnaire sheets contain questions: knowladge, attitude, availability of facilities, and the effort of Avian influenza prevention strategy. Data obtained were analyzed by descriptive statistics. The result showed that only 52% of the poultry sellers’ had good knowledge of early symptomps of Avian influenza. Amount 59% of the poultry sellers’ had good attitudes. Result also showed that 73% of respondents had good facilities that was available in live poultry market area, but only 70% of respondents were good awareness about the effort of Avian influenza prevention strategy. In addition, the respondents who had more knowledge, good attitudes, and/or good facilities were also those who actually acted more preventively. Based on the result we concluded that the poultry sellers’ perception on prevention strategy for infection of birdflu in Banda Aceh categorized as poor. It is suggested that compliance with preventive measures may be enhanced through behavioural modification and building awareness through communication, training, workshop programs to the live poultry market sellers’ in Banda Aceh
Compost Oil Palm and Indigenous Endophytic Fungi Effect on Basal Stem Rot in Oil Palm Seedling . Lisnawati; Hamidah Hanum; Ahmad Rafiqi Tantawi
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 5, No 2 (2015): Life Sciences
Publisher : Syiah Kuala University

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Abstract

Basal stem rot (BSR) caused by Ganoderma is an important disease of oil palm in North Sumatra, Indonesia. Control of BSR is complex, because the disease occurs in the dynamic environment at the interface of the roots with soil. Compost with endophytic fungi as a biological fertilizer offer possible advantages and eventually suppressed ganoderma growth. A study using two compost oil palm (empty fruit bunch and palm oil midrib-leaf compost) containing indigenous endophytic fungi (Trichoderma koningii, T. viride, and Aspergillus sp.) singly and in a mixture was conducted to determine potential of them to control Ganoderma. The result showed that 16 weeks after artificial inoculation, all treatments aren't significant difference reduced BSR incidence but compost containing endophytic fungi have potential to inhibit the pathogen showed BSR incidence in a mixture treated lower than singly treated seedlings
Exact solutions for a class of matrix Riemann-Hilbert problems Amir T. Payandeh Najafabadi; . Kucerovsky
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering
Publisher : Syiah Kuala University

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Abstract

Consider the matrix Riemann-Hilbert problem. In contrast to scalar Riemann-Hilbert problems, a general matrix Riemann-Hilbert problem cannot be solved in term of Sokhotskyi-Plemelj integrals. As far as the authors know,  the only known exact solutions known are for a class of  matrix Riemann-Hilbert problems with commutative and factorable kernel, and a class of homogeneous problems. This article employs the well known Shannon sampling theorem to provide exact solutions for a class of matrix Riemann-Hilbert problems. We consider matrix Riemann-Hilbert problems in which all the partial indices are zero and the logarithm of the components of the kernels and their nonhomogeneous vectors are functions of exponential type (equivalently, band-limited functions). Then, we develop exact solutions for such matrix Riemann-Hilbert problems. Several well known examples along with a remark on the case of functions not of exponential type  are given. 
Use of bee honey as alternative medicine in protein energy deficiency R. Heru Prasetyo; Willy Sandhika; Djoni Susanto
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 3, No 1 (2013): Life Sciences
Publisher : Syiah Kuala University

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Abstract

The protein energy deficiency cause intestinal villus atrophy and epithel mucous damage. The effect of bee honey on histostructure of intestine was studied in the experimental mice as model of proteinenergy deficiency. The use bee honey in protein-energy deficiency shown to improve intestinal villus atrophy and epithel damage. In conclusion that bee honey can use as alternative medicine in protein energydeficiency

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