Modeling of Split Ring Resonators loaded microstrip line with different orientations

This paper presents the different circuit approaches of the electric and magnetic interaction of Single Split Ring Resonator (SRR) loaded microstrip line. We loaded the microstrip line with planar square split ring resonator in different configurations and orientations. The modeling behavior of metamaterials-based microstrip lines loaded with single and two-mirrored split ring resonators is analyzed numerically in two orientations (with gap of SRR parallel and perpendicular to the line). The full wave simulations are performed for the single and two-mirrored split ring resonators loaded microstrip inside a waveguide with ‘High Frequency Structure Simulator’ software. The equivalent circuit parameters are obtained for the single split ring resonator loaded with microstrip line with the gap parallel and near to the line from transmission line theory  that make use of just the resonance frequency and minimum of the reflection coefficient. The simulation of different orientations of split ring resonator gives better reflection coefficient and wider frequency

Characterization of a metallo-protease produced in solid state fermentation by a newly isolated Bacillus strain

A metalloprotease was characterised from a newly isolated Bacillus strain. The enzyme activity was stimulated by mono- and divalent metal ions at 5 and 10 mM concentration and inhibited by EDTA, DTT and B ME (95, 90 and 80%, respectively) at 10 mM concentration. The enzyme inhibition caused by 10 mM EDTA was restored by 45-47% with 5 and 10 mM NaCl. These characteristics established the enzyme as a metalloprotease. Different agroindustrial substrates were used for economic production of the metalloprotease, among which rice bran was selected as best providing z1000 U protease /g of substrate in 72 h with 20% inoculum and 1:3 moisture content (w/v). The enzyme was thermostable (30-50oC) with maximum activity at 60°C. It also exhibited a broad pH activity range (6-9) with a maximum at pH 8

Czytając T.S. Eliota: ekokrytyczna analiza z perspektywy zrównoważonego rozwoju

T.S. Eliot’s writings have always been an essential point of discussion among critics and scholars due to its di-verse range of themes and his focus on the major concerns of the modern period. Eliot was a keen observer of the great transformations which the environment has endured. The present paper is an attempt towards an ecocritical reading of Eliot’s poems. His works depict the major environmental challenges such as pollution, population, water scarcity, deforestation, and therefore could be interpreted as his step towards sustainable development. Though the concept of sustainable development has evolved recently, the need to create awareness towards the environment was felt at the time when Eliot’s writings were in progress. Hence, an eco-critical reading of Eliot’s works helps in understanding his consciousness towards the degradation of the environment and his move towards creating awareness among others.Świat przeszedł wielkie przemiany w ciągu ostatnich kilku dekad. Pomimo wynalezienia wspaniałych technologii, które ułatwiają ludzkie życie, dzisiejszy świat zmaga się z poważnymi problemami środowiskowymi, takimi jak zanieczyszczenie, przeludnienie, niedobór wody, zagrożenia dla zdrowia, wylesianie, ubóstwo i zanik bioróżnorodności. Rosnący zakres tych problemów był przyczyną sformułowania koncepcji zrównoważonego rozwoju. Ma on na celu pozostawienie zasobów naturalnych dla przyszłych pokoleń bez uszczerbku dla obecnych potrzeb. Chociaż idea ta została opracowana niedawno, potrzeba kreowania świadomości ekologicznej pojawiła się już w czasie rewolucji przemysłowej i dwóch wojen światowych. Jako pisarz okresu powojennego prace T.S. Eliota ukazują główne wyzwania środowiskowe i mogą być również interpretowane jako krok w kierunku zrównoważonego rozwoju. W tym świetle niniejszy artykuł jest próbą ekokrytycznej lektury wierszy tego autora

Statistical optimization of conditions for protease production from Bacillus sp.

Response surface methodology was employed for the optimization of different nutritional and physical parameters for the production of protease by a soil isolated Bacillus strain in submerged fermentation. Initial screening of production parameters as carbon (glucose) and nitrogen source (soybean) were optimized together with four variables K2HPO4, NaCl, MgSO4.7H2O, CaCl2.2H2O and four physical parameters including agitation, inoculum size, pH and time was performed using Plackett Burman design and the variables with statistically significant effect on the protease production identified. These variables were selected for further optimization studies using central composite design in RSM. The protease activity under unoptimized conditions was 330 U/ml. Under the final optimized conditions, the predicted response for protease production was 449 U/ml, and the observed validated experimental value was 577 U/ml. The statistical optimization by response surface methodology resulted in about two fold increase in the production of the enzyme by the selected bacterial strain

Associating Knowledge Management to Human Resource Management: A Conceptual Study

AbstractObjective: For last few decades Knowledge Management (KM) has emerged as the widely discussed and researched phenomenon around the globe, but it been a challenging phenomenon as all organisations are trying to achieve and maintain its competitive advantage in today's global competitive environment. One aspect of doing this is to build knowledge repositories. The issues can be address by strategically associating knowledge management to human resource management in the organization. The strategic use of human resource management within the management of knowledge helps an organization to have innovation, better performance and resultant competitive advantage. However, in order to optimize the capabilities of organizational knowledge, it is necessary to manage that knowledge strategically. The present paper focus on the aspect by relying on a large amount of existing literature, which is mostly theoretical in nature. There are many areas within the discussed field that would be benefited from conclusions of further research on the aspect.Method: The study include the extant review of published research in the form of books and research paper by different eminent authors on the selected issue which is the combinations of theoretical and empirical findings of their work.Results: It was found that the concept of knowledge management though is a vibrant issue in today's hyper competitive market of  knowledge economy around the globe  but still the focus of many organisations is one the single aspect of its i.e. ‘Technology' and they leave another crucial aspect of knowledge management (KM) that is termed as ‘people'. Who actually are repositories and owners of this aspect; ultimately, it is their knowledge and learning in the form of tacit and explicit knowledge that is responsible for competitive advantage and ultimately success of an organisation.Conclusion: The present paper focus on the issue of associating knowledge management with that of human resource management of an organisation with a view to provide clear understanding of the concept. It helps policy makers and management players to develop and implement an optimal blend of structural and organisational structure that help them to  sustain in today's knowledge economy with the optimal use of their most crucial intangible asset meaning therseby the knowledge of their employees. The example of big industrial houses like Infosys and Tata ; banks like ICICI and telecom sector like Airtel proves that after focusing on the optimal blend of knowledge Management (KM) and human resource management(HRM) they out beat the competitors of their industries and work as gold players in the said industry

Strain induced magnetic domain evolution and spin re-orientation transition in epitaxial manganite films

The evolution of magnetic domain structure in epitaxial La$_{0.625}$Ca$_{0.375}$MnO$_3$ films on (001) NdGaO$_3$ is monitored as a function of temperature and magnetic field using Magnetic Force Microscopy. We see two distinct regions of magnetic orientational order; one in-plane displaying contrast-less image and the other tilted away from the film plane forming a distinct stripe pattern. A strong domain splitting is observed at the boundary of two regions, which is resilient to reorientation with temperature and magnetic field. We propose a model magnetic free energy functional to explain the mechanism of domain splitting seen in manganite films

Analytical profiling and structure elucidation of flavanoids compounds

Chromatography is a powerful analytical method suitable for the separation and quantitative determination of a considerable number of compounds, even from complicated matrix. Thin Layer Chromatography (TLC) has some advantages such as rapidity, sensitivity, easiness, cheapness and this method does not require complex instrumental equipment. In present study, Quercetin 3 -O -α- d- glucuro pyranoside (miquelianin; QG), quercetin 3-O-α-d glucopyranoside (isoquercitrin), quercetin 3-O-α-d-galactopyranoside (hyperoside) and rutin in ethyl acetate fractions from aerial parts of selected Potentilla species on a HPTLC plates using a mixture consisting of ethyl acetate/methyl ethyl ketone/diisopropyl ether/formic acid (3:10:4:1, v/v/v/v). Rutinosides and quercetin were also eluted using methanol-water-acetic acid (50/44/6, v/v/v) and benzene: pyridine: formic acid (36:9:5). The spot visualization was evaluated under UV light at 254 nm and Ferric chloride reagent

Study of heterosis and combining ability for earliness and vegetative traits in Cucumber (Cucumis sativus L.)

The present investigation was undertaken to investigate the extent of heterosis and combining ability on earliness, vegetative traits and yield of Cucumber. A field experiment was designed in line x tester mating design with 11 parents (including 8 parthenocarpic lines namely Pant parthenocarpic cucumber-2, Pant parthenocarpic cucumber-3, Nun-3139, Nun-3121, Nun-3141, Infifnity, Isatis, Kian, and 3 monoecious testers namely PCUC-8, PCUC-15, Pant Kheera -1 {also known as PCUC-28}) and their 24 F1 hybrids to work out the heterosis and combining ability for earliness and yield characters. All traits pertinent to earliness and yield showed significant values for heterosis and combining ability. Appreciable heterosis in desirable direction was found over better parent and check parent by the cross PCUCP-3 x PCUC-15 for earliness characters viz. days to first female flower (-71.18 & -70.31), days to first harvest (-3.40 & -22.01) whereas Cross Kian x PCUC-15 showed maximum number of fruits per plant (8.36 & 106.35) and fruit yield (86.34 & 210.74 respectively). The crosses PCUCP-3 x PCUC-15 and Nun-3139 x PCUC-8 showed significant specific combining ability for earliness and yield characters. Cross Nun-3139 x PCUC-8 showed significant yield regarding heterosis and SCA. Regarding general combining ability for earliness parent Isatis and for yield characters parent Kian stood in top. Cross Nun-3139 x PCUC-8 showed Maximum specific combining ability for node number to first female flower (-0.98), number of fruits per plant (3.39) and fruit yield (220.57)