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Review Paper

Ancient methods for extraction of Zinc from ores: A comprehensive study report

The Zinc is the most interesting metal and was responsible for the invention of coins of mock gold and utensils of mock silver ad. Because of the low boiling point (907°C), zinc is difficult to smelt. Pure zinc can only be obtained after the mastery of distillation techniques, which have been described in our ancient chemical treatises. The mines have given definite evidence of the production of zinc from back to 6th Century BC in Rajasthan. The process of distillation was being used from the 12th century AD, So India was the first to produce zinc by using distillation processes. In fact, many ancient Indian literatures refers to various types of metal that were used in different periods. In the epics e.g. Mahabharata and Ramayana, brass and the bell metal have been termed as kamsya, the utensils of which were used for milking and drinking. The Rasaratnasamucchaya, a fourteenth-century alchemical text, tells that the Indian alchemy was not only confined to the principle of mercury and its compounds but also to a large number of other minerals. It reveals names of scores of celebrated alchemists like Nagarjuna, Govinda and others. The rasvidya (alchemy) was kept closely guarded secret and confined to devout practitioners only.

Published by: Sawanraj Arora

Author: Sawanraj Arora

Paper ID: V5I4-1286

Paper Status: published

Published: August 6, 2019

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Research Paper

Change method of teaching and learning at universities in Vietnam on current

Today, the technological and scientific revolution thrives, marking the process of globalization taking place in all areas. In the process of integration, education in Vietnam in general and higher education, in particular, are facing fierce competition right at home. Especially the wave of industrial revolution 4.0 and non-traditional education methods pose many challenges for the education industry, especially higher education. What should Vietnam do to avoid lagging in education and participating in the globalization of education? Are the methods currently used in universities still relevant? How is the change of method at universities going? These questions were open issues for the authors to embark on research on the need to change the current teaching and learning methods in Vietnamese universities.

Published by: Nguyen Trong Long, Vu Hong Van

Author: Nguyen Trong Long

Paper ID: V5I4-1300

Paper Status: published

Published: August 6, 2019

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Review Paper

A review on green hybrid composites – (Glass-Sisal-Bamboo) for aircraft structural applications

Green Hybrid Composite Materials are an emerging trend for future applications mainly in the Automotives and in the Aviation sector, so lots of researches are on the way mainly for Natural Hybrid Composites. This is a review journal which deals with the Green hybrid composites to be used in the Aviation industry, as we have more probability for these kinds of Hybrid Composites. In this review, a good touch is given to reinforcements such as glass, sisal, bamboo, and its hybrid properties. Also, the use of green hybrid composite, their special focus on aerospace structural development in terms of its performance and requirement are explained in this review work

Published by: S. S. Pon Sudhir Sajan, Sengunthar Ranjeet Kumar

Author: S. S. Pon Sudhir Sajan

Paper ID: V5I4-1290

Paper Status: published

Published: August 6, 2019

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Research Paper

Development of DNA isolation and purification method with automation by using Silica coated Magnetic Nanoparticles

Development of DNA isolation and purification method with automation by using Silica coated Magnetic Nanoparticles. To develop a protocol to extract and purify the DNA, with automation using silica-coated magnetic particles, of two gram-negative bacteria E. coli DH5α for small volume culture (1ml) and large volume culture (5ml). Cell Lysis: Here all the analysis has been done on E. coli DH5α, gram negative bacteria. Washing: The second step comes in purifying the nucleic acids is the washing. Other than proteins, there are many kinds of impurities present with nucleic acids and these impurities need to be washed. Elution: The final step is the elution step. In this step, finally the DNA is extracted from the silica coated MNPs and hence purified.

Published by: Sanyam Modi, Chintan Somani

Author: Sanyam Modi

Paper ID: V5I4-1303

Paper Status: published

Published: August 6, 2019

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Others

Virtual production of dental prosthesis using dental virtual articulator

Virtual reality is a computer-based technology linked with the future of the dentistry-dental practice. Virtual reality leads us to navigate and view a world of three dimensions in real-time with 6 degrees of freedom. The virtual articulator is one such application in prosthetic restorative dentistry based on virtual reality that will significantly reduce the limitation of the mechanical articulator and by simulation of real patient data, allows an analysis of digitized casts with regard to static and dynamic occlusion as well as jaw relation.

Published by: Smita Khalikar, Swati Pawar, S. P. Dange, Kishor Mahale

Author: Smita Khalikar

Paper ID: V5I4-1243

Paper Status: published

Published: August 6, 2019

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Research Paper

Enhanced SHG efficiency in electron irradiated KDP crystals for nonlinear applications

Nonlinear single crystals have extensive applications in the technology of Opto-Electronics and Photonics. The properties of these crystals can be varied by electron irradiation. In this paper, we are reporting the comparative results of second harmonic generation efficiencies of (KDP) Potassium dihydrogen phosphate singles crystals and doped KDP without electron irradiation and with electron irradiation. The SHG efficiency of these crystals is measured using the optical simultaneous multi-channel analyzer, at wavelength  = 532nm using the spectrometer at Karnataka University Dharwad. The electron irradiation is done in the Microtron center, Mangalore University. The samples of KDP are irradiated by pulsed electron beam energy 8.0 MeV, with an average beam peak of 20 mA, for graded doses of 635 Gy, 1300 Gy, and 1924 Gy. It is observed that SHG efficiency is increased after electron irradiation when compared to unirradiated KDP.

Published by: Ramesh Shetty H., A. P. Bhat

Author: Ramesh Shetty H.

Paper ID: V5I4-1289

Paper Status: published

Published: August 5, 2019

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