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Volume 1 Issue 3 (December)

S.No. Title & Authors Page No View

Title : Measurement of Critical Micelle Concentration of Technical Grade Non-ionic Detergent Tween-40 in Presence of Chloramine-T by Ultrasonic Velocity Measurements

Authors : A .A. PATIL

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Abstract : The phenomenon of solubilization of nonionic surfactant Tween-40 has been studied through the influence of additive Chloramine-T in aqueous medium by measuring the ultrasonic velocity of the pure surfactant and with Chloramine-T. The ultrasonic velocity of pure surfactant as well as mixed system was found to be increased with increase in temperature. By keeping the surfactant concentration equal to its CMC, for mixed system the CMC found to be increased with the addition of Chloramine-T. This is mainly due to increased micelle concentrations. The CMC for pure or mixed system found to be decreased with increase in temperature. The influence of additive Chloramine-T on the CMC and acoustical parameters of nonionic surfactnat is a clear indication that the phenomenon of micellization is associated with the different micelles coalescing. The CMC of pure and mixed system decreses with increase in temperature. This decrease in CMC may be due to change in free energy of the system with increase in temperature. Findings of the present work support to the probable evidence of electrolyte surfactant interactions in aqueous medium.

Title : An Experimental Investigation on Biosorption of Cadmium by Erythrina Variegate Orientalies as an Adsorbent

Authors : Nageswara Rao.L, P.Rohini Kumar and D.Kamalakar

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Abstract : An unauthorized activity of releasing harmful contaminants arising from domestic, municipal and industrial establishments into the environment is continuing unabated due to expensive treatment process and ineffective implementation of environmental legislation. In developing countries with the result there is a study increase in concentrations of pollutants sometimes reaching alarming levels and causing serious human health hazards of the life, sustaining water resource due to release of industrial effluents is one of the serious environmental problems encounter today. In the present work an attempt is made to study to effect of parameters like pH, temperature, time of contact, bisorbent dosage, size of bisorbent etc. on removal of Cadmium and determination of equilibrium, kinetics and thermodynamic parameters in a batch biosorption of cadmium by the leaf powder of Erythria Variegate Orientalies as biosorbent.

Title : Application Of Open EMR As Scheduler For Doctors Using Distributed Electronic Patient Record Concept: The Key Issues In Designing & Managing Patient Appointment

Authors : Priti Kalode, Dr Onkar S Kemkar, Dr. P. R. Gundalwar

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Abstract : Appointment scheduling systems are used by primary and specialty care clinics to manage access to service providers, as well as by hospitals to schedule appointments. Many factors affect the performance of appointment systems including arrival and service time variability, patient and provider preferences etc. Appointment scheduling system lies at the intersection of providing efficiency and timely access to health services. This research presents an Distributed Electronic Patient Record (DEPR) Medical Appointment Booking System. The system was developed using Asp.Net and MySql. Further we discuss about the integration of system with OpenEMR.

Title : Structural Concept and Analysis of the 17-Story Base Isolated Apartment Building Sevak

Authors : Mikayel Melkumyan

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Abstract :

In recent years seismic isolation technologies in Armenia were extensively applied in construction of multi-story residential and business center complexes with parking floors and with floors envisaged for offices, shopping centers, fitness clubs, etc. They are briefly described in the paper, which is, however, mainly dedicated to a 17-story base isolated apartment building “Sevak” designed and constructed recently in the city of Yerevan. The structural concept, including the new approach on installation of seismic isolation rubber bearings in this building, is described and some results of the earthquake response analyses are given. The building was analyzed using several time histories and also according to the requirements of the Armenian Seismic Code. Comparison of the obtained results indicates the high effectiveness of the proposed structural concept of isolation system and the need for further improvement of Seismic Code provisions regarding the values of the reduction factors.


Title : A Modified Self-Tuning Fuzzy-Neural Controller

Authors : Hsiao-Kang Hwang, Yu-Ju Chen, Chuo-Yean Chang, Rey-Chue Hwang

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Abstract : This paper presents a modified self-tuning fuzzy-neural controller in the applications nonlinear model reference control system. In order to make the controller have the adaptive control capability, the immediate system error (e(k)) and error change ( e(k)) are used to be the inputs for fuzzy-neural tuning mechanism. For simplifying the construction of fuzzy system, nine rules are used in the rule table. To demonstrate the superiority of the controller we developed, several nonlinear model reference control systems are studied and simulated. The simulation results clearly show that the self-tuning fuzzy-neural controller has quite promising potential in the real control applications.

Title : Non-Null Intersection Curves of Timelike Surfaces in Lorentz-Minkowski 3-Space

Authors : Zafer Şanlı, Yusuf Yaylı

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Abstract : In this paper, we investigate the curvature and the torsion of a intersection curve of two timelike surfaces in Lorentz-Minkowski 3-space.

Title : Review on Data Mining with Big Data

Authors : Savita Suryavanshi, Prof. Bharati Kale

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Abstract : Big Data concern large-volume, complex, growing data sets with multiple, autonomous sources. With the fast development of networking, data storage, and the data collection capacity, Big Data are now rapidly expanding in all science and engineering domains, including physical, biological and biomedical sciences. This paper presents a HACE theorem that characterizes the features of the Big Data revolution, and proposes a Big Data processing model, from the data mining perspective. This data-driven model involves demand-driven aggregation of information sources, mining and analysis, user interest modeling, and security and privacy considerations. We analyze the challenging issues in the data-driven model and also in the Big Data revolution.

Title : Study of Voltage Stability Indices Suitable for Online Applications

Authors : Ch V V S Bhaskara Reddy

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Abstract : Modern power systems are operating close to their maximum loadability limit due to various economical, geographical, environmental and operational issues. Sometimes, these operating conditions lead to instability of power system. The instability in power systems is due to rotor angle issues or voltage related issues. In this article, two methods used to predict the voltage instability of power system are discussed. The methods discussed are Voltage Stability Risk Index (VSRI), and Improved Voltage Instability Monitoring Index (IVIMI). The VSRI and IVIMI are developed by using time series data and are suitable for online purposes. Study of these indices was carried out on Northern Region Power Grid 246-bus test system.

Title : Water Supply and Sanitation Challenges in an Urban Setting: A Case Study

Authors : David O. Olukanni, Michael O. Ajetomobi, Samson O. Tebowei, Olakunle O. Ologun, Oluwasanmi M. Kayode

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Abstract : Access to clean water, good sanitation services and improved hygiene practices enhance sound health, boost socio-cultural development, and promote economic balance. This study is focused on investigating and identifying the state of water, sanitation and hygiene practices in an urban setting, and proffer solutions to the probable challenges associated with it. Five Local Government areas (LGAs) of Lagos State were selected for this study. The survey involved the use of structured questionnaires administered to randomly selected residents from the LGAs. The Statistical Package for Social Sciences (SPSS) software application and descriptive statistics were used for data analysis. The study reveals that access to water and proper sanitation is insufficient and its services is at high cost to many of the residents who live below the poverty line of less than $2 per day. The supply of water from the water corporation to the local government is not sufficient thereby making many to rely on commercial and private boreholes which often time is expensive. The result also shows that indifferent attitude characterizes poor sanitation which is basically associated with poor maintenance, indiscriminate dumping of refuse in drains and ineffective drainage systems. It is therefore important that sustained cooperation be developed among key actors in order to reduce cost of gaining access to potable water. There should also be continuous sensitization and enlightenment campaigns to the public on the dangers of environmental neglect.

Title : Hydromagnetic convective couette flow in presence of time dependent suction and radiative heat source

Authors : S. S. Das, S. Panda, N. C. Bera

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Abstract : This paper concerns with the effect of radiative heat transfer on unsteady hydromagnetic free convective couette flow of a viscous incompressible electrically conducting fluid in presence of variable suction. Employing perturbation technique, the governing equations of the flow field are solved and the expressions for the velocity, temperature, skin friction and the heat flux i.e. the rate of heat transfer in terms of Nusselts number Nu are obtained. The effects of the important flow parameters such as radiation parameter F, magnetic parameter M, slip flow parameters h1, h2; suction parameters a1, a2 , Prandtl number Pr etc. on the velocity and temperature of the flow field are analyzed and discussed graphically with the help of figures and tables.

Title : A Theoretical Model for the Design of a Labyrinth Seal Gland

Authors : E. Saber, Khaled M. Abdou

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Abstract : The analysis of a rectangular labyrinth seals having several configurations is carried out in this study. The laminar, compressible and axisymmetric flow in a rectangular labyrinth seal is treated and the seal performance is obtained. The analysis is based on the assumptions that adiabatic conditions exist and that the ratio of the seal height to the shaft radius is small as always the case in turbomachines. The theoretical work is capable of handling single cavity in order to compute the pressure ratio, loss in stagnation pressure, change in density, temperature ratio and the variation of inlet to exit Mach number across the cavity. These quantities are obtained at several values of leakage flow Mach number to be used in estimating the required number of cavities to get a minimum allowable leakage rate. For a subsonic leakage flow that is not in choked condition, it is concluded in this work that the performance relations of a single cavity can be used to design a multi-cavity seal to meet an allowable leakage rate.

Title : Green Technology- A review

Authors : S. M. Dhawade, S. M. Harle

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Abstract : The term ‘Green Building’ is quite new and unfamiliar to people and the construction industry. In the present paper, the concepts of green building, its advantages to the environment and humans are studied and a building is designed using its concepts. A green building is shown in this article that is environmentally friendly and resource efficient using renewable energies such as wind, solar, and hydro energy. The term environmentally friendly means constructing a building safe for the surrounding such as it emits less harmful gases. Green building will not affect the environment i.e. it reduces air pollution, water pollution and global warming. The study has shown the plantation of various brushes for reducing carbon dioxide in building environment. Also the models of conventional equipments, used for utilizing the renewable energies, like biogas digester, pellet stove, weather vane, and solar cooker are created.

Title : Mathematical analysis of a new sensitive-to-shock automotive crash sensor

Authors : Davood Kalantari, Mohsen Mahdiani

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Abstract : In this study, mathematical analysis of a simple and new mechanical sensitive-to-shock automotive crash sensor is presented. The system includes a cantilever beam with a current-carrying wire. Due to the high acceleration generated in a crash, the beam breaks and cut the electrical circuit off. With cutting off the electricity, secondary activations can occur, including activation of the air bag system, unlocking doors and disabling the alarm system. The proposed system is lightweight, low-cost and seems to have acceptable accuracy. Analysis is based on the mathematical equations particularly the Laplace transform method. The results showed that if a hard plastic cantilever beam with height of 8 cm and cross-sectional area of 3×0.3 cm2 is selected, the system will work well in accidents with speed greater than 40 km/hr.