Papers

*Department of Physics, Synergy Institute of Engg. & Technology, Dhenkanal-759001, Odisha (INDIA)
¹Principal, Khallikote Autonomous College, Berhampur -760001, Odisha (INDIA)
²Post -Graduate Department of Physics, Ravenshaw University, Cuttack-753003, Odisha (INDIA)

The Ultrasonic velocities (C) and (p) of binary mixture of 1,2-dichlorobenzene with polar diluents have been measured at
temperature 303.16 K and frequency of 2MHz.The data of C and  have been used to evaluate isentropic compressibility (ß) and intermolecular free length (Lf) to study the molecular interaction. The study reveals that interaction is maximum in chloro-benzene 12-dichlorobenzene mixture.

Department of Mathematics, Agra College, Agra U.P. (INDIA)
*E-mail : dkumar182@yahoo.com

In this paper we study on MHD free convection flow past an infinite vertical oscillating porous plate in the presence of heat and mass transfer. The governing equation are solved by Laplace transform technique. The results are obtained for velocity, temperature, concentration, skin-friction and Nusselt number. The results have been shown graphically.

Department of Mathematics, Agra College, Agra U.P. (INDIA)
*E-mail : dkumar182@yahoo.com

In this paper we study on MHD flow and heat transfer along a porous flat plate in the presence of mass transfer. The governing equations are solved by finite difference technique. The results are obtained for velocity profiles, temperature profiles and concentration profiles of the flow field. The results have been shown graphically

Department of Mathematics, University of Allahabad, Allahabad-211002 (INDIA)
Email:- jai_au@rediffmail.com

In this paper, the free convective flow, with chemical reaction and magnetic field, past an inclined plate has been studied numerically. The governing partial differential equations are reduced to a system of ordinary differential equations using similarity transformations. The nonlinear similarity equations are solved numerically by applying the computer supported method. The effects of various parameters entering into the problem on the flow field have been discussed and presented graphically

¹Assistant Professor, Department of Community Medicine Sri Venkateshwaraa Medical College Hospital and Research Centre Ariyur, Puducherry - 605 102 (INDIA)
^2,3Department of Statistics, Annamalai University Annamalai Nagar - 608 002, Tamil Nadu (INDIA)
Email: susijk@rediffmail.com Email: srelangovan@rediffmail.com

The welfare and prosperity of any county depends upon the natural resources available in that country. But the proper utilization of the natural resources depends upon the availability of manpower of the appropriate type. There are many industries and organizations where the skilled personnel are to be recruited and they must be given prior training before employment. In the area of Software and Information Technology the training and induction of the right type of personnel is a pressing problem. In this paper, we consider the optimal solution for the manpower to be kept as reserve inventory at two different nodes in series. This is based on the inventory model for finding the optimal size of reserve inventory at two successive stations in series.

Department of Chemistry, Government P.G. College, Kota Raj. (INDIA)
meenabharat81@gmail.com

Water samples from the open wells of selected 15 grampanchyates in Bakani tehsil of Jhalawar district, Rajasthan State, India were collected, physico-chemical parameters were determined using standard analytical procedure. The results of the physico-chemical analysis were obtained in the following range; Temperature (26.6-31.7oC), pH(6.76-9.14), EC(1300- 6300μscm-1), TDS (310.1890 mg/1), TH (81.21-758.67 mg/1), Na+ (9.2-69.2 mg/1), K+(10.6-71.2 mg/1), Cl-(19.8-666.7 mg/1), F-(0.27-1.72 mg/1), NO3-(25.6-99.3 mg/1) and SO4-2(7.2-69.5mg/1). The result were compared with the drinking water standards of ISI (10500-91) and WHO (1973). pH, TDS, Th, Cl-, F- and NO3 - were found to be beyond permissible standards, while Na+, K+, SO4 -2 were recorded within the limit. These water bodies are not suitable for domestic and drinking purposes, so that possible remedial measures should be adopted for these water resources of some grampanchayats in Bakani tehsil

*Department of Mathematics, B. S. A. College, Mathura, U. P. (INDIA)
**Department of Mathematics, S. V. College, Aligarh, U. P. (INDIA)

The purpose of present study is to analyze the effect of porous medium on MHD unsteady flow of visco-elastic Oldroyd fluid through a rectangular channel in the presence of magnetic field. Here we considered the first and second order Oldroyd fluid and investigate the same problem in this new visco-elastic model. The numerical expressions of the velocity
profiles have been given for both first and second order fluids

¹Head, Department of Chemistry, B K Birla Institute of Engineering and Technology, Pilani, Rajasthan-333031 (INDIA)
²Head, Department of Chemistry, Agra College, Agra, U.P. (INDIA)
³Head, Department of Chemistry, R.B.S. College, Agra, U.P. (INDIA)

Email:-ykgbkbiet123@gmail.com, Email:-ykgbkbiet@yahoo.com

The complexes of iron (II) and nickel (II) with schiff base were prepared from benzoin and 2-amino benzoic acid. Solubility, melting point, decomposition temperature, conductance measurement, infrared (IR) and UV – Visible spectrophotometric studies were used in characterizing the compounds. The melting point of the schiff base determined is 118oC. The decomposition temperatures of iron (II) andnickel (II) complexes were 150oC and 152oC, while the molar conductance values were 11.0 and 10.5 ohm-1cm2mol-1, respectively. The UV-Visible spectrophotometric analysis revealed 1:1 (metal-ligand) stoichiometry for the two complexes.

¹P.M.B Gujarati Science College, Indore (INDIA)
²Mata jijabaai Govt. Girls P.G. College, Indore (INDIA)

Email:-sushilkangari_4@rediffmail.com

The present study is carried out in river Narmada to assess and evaluate the extent of pollution by domestic activities, agricultural wastes and pilgrims' activities at Omkareshwar. Water samples under investigations were collected and analyzed monthly for temperature, transparency, pH, D.O., B.O.D., Chloride, Nitrate, Phosphate during 2011 ( January 2011 to December 2011). Correlation coefficient was calculated between different pairs of parameters to identify the high correlated and interrelated water quality parameters.

¹Chemistry Department P.M.B. Gujarati Science College, Indore-452001 (INDIA)
²Maharaja Ranjit Singh College, Indore-452017 (INDIA)

Essential oil from the leaves of Cassia tora was investigated for their antibacterial activity. Their concentrations 0.15mg, 0.31mg ethanolic and aqueous extracts respectively were studied in activity, which involved the determination of inhibition zone in mm. Both the extracts exhibited significant antibacterial activity. Ciprofloxacin used as standard reference