Design of Compact Monopole Antenna loaded with SRR for Wi-MAX/Wi-Fi/Satellite Communication
A design and development of a simple monopole antenna based on metamaterial resonators for multiband operation is presented. The antenna operates in the frequency range of 2.97 GHz to 4.25GHz, 4.6 GHz to 5.24 GHz, 7.15 GHz to 10.41GHz, with impedance bandwidth of 35.45%, 13.01% and 37.13%, respectively. The split ring resonators (SRR) acts as metamaterial resonators which are embedded on the planar monopole that resonates for multiple frequency bands. The antenna shows the good impedance matching and radiation performance. The measured result is agreed well with the simulated result. The proposed antenna finds their application in the different wireless communications such as Wi-MAX, Wi-Fi and Satellite Communication.
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A study of perceived parental pressure in relation to personality and self esteem
Parenting plays a very important role in developing personalities of their children. It is like a long term investment in which parents should not force their children to do well in their own life. Parents should know that their children came into the beautiful life with their own temperaments and should recognize that they have their own interests. Parental pressure affects the personality and self esteem of the adolescents. Personality is the unique characteristic of the individual and due to differences in personalities the person is different from others in terms of temperament, coping strategies, emotions etc. Self esteem means the person’s faith on self. It is the feeling of an individual that one has about himself or herself. The aim of the present investigation is to study the perceived parental pressure in relation to personality and self esteem. Sample was randomly selected from different streams (arts, commerce and science) of 11th standard of various Government senior secondary schools of Chandigarh. The sample was then administered on perceived parental pressure inventory – PPPI (Thara Sebastain, 1997), NEO-FFI (Costa & McCrae, 1992) and self esteem scale (Rosenberg, 1965). For the analysis of data descriptive statistics, correlation, ANOVA and regression were used.The calculated value shows that there were significant gender differences in the perceived parental pressure, agreeableness, conscientiousness, overall personality and self esteem. It was also revealed that there was negative and significant relationship between perceived parental pressure and agreeableness, perceived parental pressure and conscientiousness and between perceived parental pressure and self esteem. Analysis of variance describes the significant interaction of gender and academic interest in perceived parental pressure, personality and self esteem.
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Review On Uraria Picta A Traditionally Medicinal Plant of India: A Herbal Benefaction
In present times, focus on herbal research has increased worldwide. Urariapictais an important medicinal herb that is extensively used in dasamula and is becoming popular. Flavanoids, alkaloids and pterocarpans are the key constituents of Urariapictaand mainly alleged for its broad beneficial actions. Other than for given treatments, the herb is suggested as remedy for a variety of other ailments. The present review is an effort to provide complete information on Phytochemicals screening, traditional uses and pharmacology relating to preclinical studies.
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The environmental persistence of organotin compounds
The wide application of organotin compounds have caused considerable amounts of these compounds to enter the different ecosystems. Organotins have been of environmental concerns due to their direct introduction into the environment, bioaccumulation, and toxicities even to non-target organisms both aquatic and terrestrial. They are notable sources of pollution and may be of ecotoxicological effects on the various ecosystems. It is not only the particular organisms that may be affected but the whole ecosystems. They are very persistent and bioavailable to biota even after a long time. The persistence of organotins in polluted ecosystem is a function of adsorption and degradation processes. Hence, this review which aim at providing an overview of the environmental persistence of organotin compounds.
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Morphological Study and Electrochemical properties of Ruthenium Oxide Thin Film
There is a growing necessity of transition metal oxide thin film for many important technological applications such as smart windows gas sensors, solar cells, super capacitors etc. Among the other transition metal oxides, ruthenium oxide is a potential material as it exhibits interesting structural, optical, chemical, electrical properties. In this investigation ruthenium oxide thin films have been synthesized using spin coating technique. Here ruthenium oxide thin films have been deposited on stainless steel substrate by sol-gel spin coating method. Thin film properties of deposited samples were studied by XRD, SEM, FTIR, EDAX. AFM. The cyclic voltammetry study and chronopotentiometry was carried out with 0.1M KOH electrolyte to study the supercapacitor properties
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Dr. Nikkoo N. Khalsa joined the team of Elixir Editorial Advisory Board from 5th May 2017
We are very happy to announce that from 5th May 2017, Dr. Nikkoo N. Khalsa has joined the team of Elixir Editorial Advisory Board. He/She will carry a special responsibility for dealing with manuscripts based on Electronics and Communication Engineering. Dr. Nikkoo N. Khalsa working as Assistant Professor in Department of Electronics & Telecommunication Engineering at Prof. Ram Meghe Institute of Technology & Research, Badnera. The appointment of Dr. Nikkoo N. Khalsa as member Editorial Advisory Board strengthens the links and will make it easier for prospective authors to establish contact with the journal.
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List of articles published in the month of May 2017
Table of contents for the month of May 2017
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