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The opinion of other people is often a major factor influencing our decisions. For a consumer it affects purchase decisions and for a producer or a service provider it helps in making business decisions. Companies spend a lot of money and time on surveys for gathering the public opinion on products and services. Now-a-days the web has become a hotspot for finding user opinions on almost anything under...
LAPS with different thickness of P-type silicon wafers are first investigated for photocurrent, operation frequency of applied ac signal and pH sensing performance, respectively. A high dielectric constant material, niobium oxide (NbOx), was directly deposited as the sensing membrane by reactive radio frequency sputtering. pH sensitivity is around 60.3 mV/pH with linearity of 99.1%. Thin Si substrate...
In chemical image sensor, spatial resolution and scanning speed are the most important factors which may need to optimize and trade off. Before the minimization of spatial resolution, scanning speed of system needs to be improved to have an image in a short time within few seconds. In this study, ultra-high scanning speed of light addressable potentiometric sensor (LAPS) could be achieved by means...
A social network can be represented by a set of human beings in which one member is connected to one or more members from the same set. We can obtain visual and mathematical models of human relationship by analysing a social network. There are several inherent properties of social networks such as power law distribution, centrality, small world network, modularity etc. Community structure is another...
In accordance with the survey data of higher education department of West Bengal, the gross enrollment ratio of West Bengal in Higher education is only 26.23%. Major parts of the drop out students are showing reason of poverty even while making them understood about the effectiveness of higher education through e-learning. In this paper an approach is followed through which poverty is determined as...
In a typical set-up of light-addressable potentiometric sensor (LAPS), the individual sensing parts of the photosensitive semiconductor chip are addressed by modulated light beam such as laser beam. Although the laser can be executed with precision, the relative equipment is complex and expensive. In this work, a novel approach of utilizing Liquid Crystal Display (LCD) projector as a programmable...
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