Physical Sciences and Engineering

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Surface roughness studies of finger prints using speckle interferometry

Measurement and control of surface roughness are important in many fields, such as magnetic media, semiconductor processing and optics. Typical roughness measurements are performed using stylus profilers, non-contact optical profilers, or scanning probe microscopes (SPM).An experimental approach for surface roughness evaluation based on the speckle pattern imaging has been attempted in this work by a simple configuration of setup consisting of laser, laboratory spectrometer, Beam Expander and CCD camera.

Antibiofouling biomaterials

Antifouling refers to the process of control of fouling which occurs on liquid-solid surfaces. The term ‘fouling’ indicates an undesirable natural succession process during biofilm formation, in which a submerged surface or membranes becomes encrusted with material from the surrounding environment. It mainly involves microorganisms and their by-products developed on the surface by conditioning, attachment, biofilm formation followed by colonization. The accumulation of micro and macrofoulers on immersed structures results in economic as well as environmental losses.

"Amendments required in green building rating systems"

In modern days the infrastructure of a country defines its true development, thus making construction sector more prominent. Countries like India are thus solemnly dependent on its construction sector for its rapid development. World-wide there are various building evaluation tools that focus on different areas of sustainable development and are designed for different types of projects. This research attempts to understand the various Green building rating system assessment criteria that need to be considered during comparison.

Hadoop vs big data

Due to the advent of new technologies, devices, and communication means like social networking sites, the amount of data produced by mankind is growing rapidly every year. The amount of data produced by us from the beginning of time till 2003 was 5 billion gigabytes. If you pile up the data in the form of disks it may fill an entire football field. The same amount was created in every two days in 2011, and in every ten minutes in 2013. This rate is still growing enormously.

Efficient analysis of meteorological data based on humidity level and cyclone level using naïve bayes classification algorithm

The aim of this research work, focus meteorological data to analyses the monsoon seasons between twelve months to cluster the weather data based on Longitudinal and Latitudinal which can be used to analyze by the collection of Temperature, Humidity, Rainfall and Cyclone. In this research, Naïve Bayes Classification can be predicted the Meteorological condition of the region based on the cyclone and the humidity level in seasonally. It provides specific services for assessment of pollution impacts from various industries and thermal power plants.

Influence of chelating agent (pva & peg) on the microstructure and magnetization of ni-zn nanoferrites

The selection of suitable chelating agent for particular ferrite composition becomes critical in attaining an optimum particle size with a precise control. Since the increase in viscosity and prevention of cation segregation due to addition of chelating agent and the nature of cat-ions play crucial role in controlling the particle size. In this view nano crystalline Ni0.65Zn0.35Fe2O4 ferrites have been synthesized by sol-gel technique using PVA and PEG as chelating agents at different annealing temperatures.

The dynamic role of tourism- ‘host community managing by host community

Nowadays tourism is a sustainable means for economic prosperity in macro and micro levels all over the world. Moreover, tourism produces benefits i.e. small and medium-sized enterprises development, creation of new jobs, improvement of infrastructure etc. An area of study related to cultural tourism and the role of festivals in the creation of opportunities for community orientated events and festivals is focusing for the literature research.

Towards a computer vision model of restorative scenes

This paper describes early progress in novel, interdisciplinary work that applies concepts and methods from Computer Vision to the development of a visual model of restorative scenes. Such a model has the potential to both enhance Attention Restoration Theory (ART) and to find numerous practical applications in the design and synthesis of living spaces and visual artefacts. To explore the feasibility of a visual model of restorative scenes, a comparison between known human gaze patterns and an exclusively bottom-up computational model of attention was performed.