The province of South Sulawesi has natural resources (NR) in some sectors are; agriculture, plantation, livestock, and industry. Each region has a sector basis and non bases in the economy so that the role of transport for the distribution of desperately needed. South Sulawesi province has many islands, so the shipping transport citizenry play a role in improving the economy as a means to support community activities and reducing the isolation of the islands. The research is descriptive quantitative, to analyze the benefits of cruise people in the economy of the islands and calculations using formula of Regional Specialization Index (IRS) and the Location Quotient (LQ). The results of this study showed the city of Makassar has a base sectors that have comparative advantages (a value LQ> 1) in the sectors of manufacturing, electricity, gas, water, building, trade, hotels, restaurants, transport, communication, finance, real estate and business services. Whereas the non base that has a value LQ <1 i.e., agriculture, mining, quarrying, and offices. While in Selayar Regency is the sector non base that has a value LQ <1 i.e., electricity, gas, water supply, trade, hotels & restaurants, industrial processing and finance, real estate and offices. By him that the Shipping Citizenry in South Sulawesi is still very necessary to distribute the demand for electricity, gas, water and the processing industry in Selayar Regency Islands of Makassar which become the flagship in the sector, but it also plays an important role in connecting and meeting the needs of the communities in the islands that easily reached by the commercial shipping. The Shipping Citizinry is called "PELRA" development need goods preparation in the marine transportation infrastructure in the province of South Sulawesi as expected unloading using cruise folk to increase until 2030.

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Author Keywords:- Citizenry services, ports, and economic sectors

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 09

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© Copyright 2014, All rights reserved.

Because of the high viscosity of rubber compounds, the use of processing aids is essential in these materials formulations. Despite most of these additives currently used are derived from petroleum, there are a number of attempts to replace them with similar renewable sources, aiming to make rubber formulations more environmentally friendly. In this work, the natural rubber compounds were prepared and the vulcanization characteristics, dynamic mechanical properties and morphology of compounds containing the natural oil were compared with those of the vulcanized standard, which was prepared by using naphthenic oil. The results indicated that the substitution of naphthenic oil by soybean oil induced variations in all properties; this natural oil showed to be a good alternative as a processing aid instead of petroleum-based oils. However, the results of Atomic Force Microscopy (AFM) showed that the use the soybean oil in formulations with silanized silica altered the dispersion of these fillers.

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Author Keywords:- Natural rubber, silanized silica, soybean oil.

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 10

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© Copyright 2014, All rights reserved.

Heat and Mass transfer properties on MHD boundary layer flow of a viscous, incompressible, free convective, chemically reactive, radiative and electrically conducting fluid on a moving inclined heated porous plate in the presence of radiation absorption, temperature dependent heat source and joule heating is analyzed. The non-linear coupled partial differential equations are solved by perturbation technique. The impact of different pertinent parameters on velocity, temperature and concentration distribution have been studied and explored with the help of graphs.Further, the results of the skin friction coefficient and dimensionless rate of heat and mass transfer at the plate are also presented.

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Author Keywords:- Viscousdissipation,Joulesdissipation,chemicalreaction,inclinedplate,radiation absorption

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 12

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© Copyright 2014, All rights reserved.

An database was developed to for filling the robot welding moderate-thick plate with variable groove based on laser sensor scanning and fitting the section area．The welding section area corresponding to different welding parameters as variables was saved and the least square method was applied to deduce the relationship between the welding area and the welding speed． The system based on groove cross-section variation and changes of adaptive control welding speed could fill the work piece well and solve the problem of welding parameter adjustment on variable groove． It could also use the database language to standardize the management of the knowledge base， and constantly improve the welding database． Taking a 12 mm thick variable groove of moderate-thick plate as a test， the result showed that the welding effect is good and error of groove metal filling volume is small．

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Author Keywords: - Robot welding; weld seam filler; welding data base; self-adaptive control

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 04

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© Copyright 2014, All rights reserved.

The existing spread of the measurement uncertainties of Newton's gravitational constant G is very poor compared with other physical fundamental constants. One of these uncertainties is the first-born uncertainty that depends on a number of recorded variables of the measurement scheme model, and has existed before field experiments started. By using the fundamentally novel approach based on information and similarity theories, a formula for calculating the new metric called comparative uncertainty is introduced. Analysis of the results of measurements of G made during 2000–2016 using the calculated interval, in which the estimated true value of G can be placed, shows the excellent agreement between the proposed approach and CODATA recommendations in terms of the desired relative uncertainty of 1.4 x 10−5.

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Author Keywords: - Physical-mathematical model, information theory, theory of similarity, gravitational constant measurement, relative and comparative uncertainties.

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 07

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© Copyright 2014, All rights reserved.

Experimental Investigation were carried out to adsorb phosphate from aqueous medium using acid insoluble residue (AIR) as an adsorbent, obtained from waste iron ore tailings (IOT) as the starting materials in this study. Waste IOT contains 55.78% Fe2O3, 16.58% SiO2, and 15.46% Al2O3 have been subjected to 1:1 HCl digestion to extract the entire amount of Fe2O3 as FeCl3. The AIR was removed as impurities by filtration, with minimum washing using distilled water to make clear FeCl3 solution from impurities (AIR). The AIR contains 0.64% Fe2O3, 59.59% SiO2, and 24.40% Al2O3 act as good adsorbent due to presence of high percentage of silica and alumina. Batch adsorption experiments were performed at different operating conditions like: adsorbate concentration, pH, temperature, adsorbent dose and contact time. Maximum adsorption of phosphate was observed upto pH= 6-7, then decreases. The whole process is carried out to maintain pH ~ 6. Pseudo second order kinetics model explain successfully the kinetic data and found to fit the equilibrium data more adequately. Also the thermodynamic parameters such as ΔH0, ΔS0 and ΔG0 were determined. Waste IOT, phosphate adsorb on AIR are characterized by XRD, FTIR spectrophotometer and chemical analysis.

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Author Keywords:- Waste IOT; Acid Insoluble Residue; Adsorption; Phosphate..

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 12

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© Copyright 2014, All rights reserved.

This paper compares the isolation performance of the triple friction pendulum (FP) with that of the double FP as benchmark. First, both FPs are optimized for minimum absolute structural acceleration. In order to break down the hardly tractable optimization problem of the triple FP with 12 parameters to a manageable optimization task it is assumed that the effective radii 1 and 4 are given by the targeted isolation time period and the parameters of the articulated slider are selected according to the design philosophy of the triple FP. As a result, the triple FP can be optimized by variation of its friction coefficients 1 and 4 only; the double FP with same isolation time period is optimized by variation of its friction coefficients 1 and 2. Due to the nonlinearity of FPs the optimizations are performed for four accelerograms of real earthquakes in order to take into account the different frequency content of different earthquakes and for three selected PGAs representing smaller, medium and larger DBEs. Subsequent to the optimizations, the optimized FPs are assessed in terms of absolute structural acceleration and total bearing motion for the same earthquakes but scaled to a wide range of PGAs up to the value corresponding to the MCE in order to perform the assessment for all possibly occurring earthquakes. The results reveal that the absolute structural accelerations and total bearing displacements due to the optimized triple and double FPs are very similar within the entire PGA range.

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Author Keywords: - Earthquake, isolation, seismic; triple friction pendulum, optimization.

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 15

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© Copyright 2014, All rights reserved.

Thermal interface materials based on Multiwalled carbon nanotubes (MWCNTs) were synthesized using different organic base fluids and are proved to exhibit enhanced thermal conductivity in LED luminary. The different nanofluids were prepared using various organic solvents and MWCNTs, using SDS as surfactant by employing sonication method. Further these thermal interface materials were effectively used in 3 watt MR-16 pin type LED Luminary. The performance of this Nanofluids was found to be good in heat sink of LED lights at different watts applied and further increased the life of LED light. It was note-worthy by experimentation that the 0.1mm thickness of the ethylene glycol with MWCNTS thermal interface material recorded the lowest junction temperatures due to efficient heat transfer in LED lights.

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Author Keywords:- LED light, Multiwalled carbon nanotubes, Nanofluids, Thermal interface materials

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 08

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© Copyright 2014, All rights reserved.

In the near future, machine tools will be more improved in the form of a knowledge-evolution based intelligent device. The final goal of this study is to develop an intelligent machine tools having knowledge-evolution capability in Machine to Machine (M2M) wired & wireless environment. The knowledgeevolution based intelligent machine tools is expected to gather knowledge autonomously by producing knowledge, understanding knowledge, reasoning knowledge, making a new decision, dialoguing with other machines, etc. The concept of the knowledge-evolution intelligent machine is originated from the machine control being operated by sense, dialogue and decision of human-expert. With intent to develop the knowledgeevolution based machine tools, the structure of knowledge-evolution in M2M and the scheme for a dialogue agent among agent-based modules such as a sensory agent, a dialogue agent and an expert system (decision support agent) are presented in this paper. And work-offset compensation from thermal change and recommendation of cutting condition are on-line performed for knowledge-evolution verification.

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Author Keywords:- M2M (Machine to Machine), Machine tools, Knowledge-evolution, Intelligence

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 07

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© Copyright 2014, All rights reserved.

Thermal sprayed layers deposited with couples of wires was investigated for obtain the dispersion of micro hardness values by the thickness of the layer. The layers were obtained by thermal spraying with electrical arc on internal cylindrical surfaces using different non-ferrous wires, like aluminum bronze and brass.

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Author Keywords:- couple of wires, micro hardness, thermal spraying

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 03

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© Copyright 2014, All rights reserved.

The success rate or otherwise of a construction is a function of the team saddled with the responsibility of executing such projects and this is subject to the effectiveness or dysfunction of such team. Hence it is necessary to assess the factors responsible for the effective and ineffective team in the construction industry and its effect on cost and time of construction projects. Data for the study were obtained through structured questionnaires give to professionals in the construction industry. For the effective and ineffective team, healthy conflict amongst team members are determinants of the time performance of the construction work while cost performance of a construction work is determined mainly by accountability and avoidance of accountability in the team. Finally, the study recommends that healthy conflicts and accountability should be imbibed by the construction team members to ensure a successful project.

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Author Keywords:- construction, effective, ineffective, projects, Team,

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 06

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© Copyright 2014, All rights reserved.

In electrical power system, the reliability is defined as the ability to provide uninterrupted electricity to customer, and the reliability of any system is usually evaluated on the average customer interruption indices. These indices provide customer risk dimension. Accordingly, this paper presents the result of reliability indices obtained by analytically for the Nigde Region's electricity systems. An approach based on the Monte Carlo (MC) simulation method is also utilized to estimate the performance indices for the systems. The system reliability is evaluated for system's feeders and their load points. Firstly, reliability indices such as the SAIFI and SAIDI are determined, analytically, by using one year of outage information gathered from the distribution Company, and the MC simulation based approach is then applied. Results obtained by two approaches are presented and the reliability of system' feeders are discussed.

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Author Keywords:- Electrical distribution system, Monte Carlo simulation method, Reliability analysis, Reliability indices.

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e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type: Journal Original Language: English
Document Type: Article Number of pages: 09

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© Copyright 2014, All rights reserved.