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Search Results: 1 - 10 of 488517 matches for " S. R. Jain "
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Approximation degree for generalized integral operators
Jain,S.; Gangwar,R. K.;
Revista de la Uni?3n Matem??tica Argentina , 2009,
Abstract: very recently jain et al. [4] proposed generalized integrated baskakov operators and estimated some approximation properties in simultaneous approximation. in the present paper we establish the rate of convergence of these operators and its bezier variant, for functions which have derivatives of bounded variation.
Spacing distributions for rhombus billiards
B. Gremaud,S. R. Jain
Physics , 1998,
Abstract: We show that the spacing distributions of rational rhombus billiards fall in a family of universality classes distinctly different from the Wigner-Dyson family of random matrix theory and the Poisson distribution. Some of the distributions find explanation in a recent work of Bogomolny, Gerland and Schmit. For the irrational billiards, despite ergodicity, we get the same distributions for the examples considered - once again, distinct from the Wigner-Dyson distributions. All results are obtained numerically by a method that allows us to reach very high energies.
Antibacterial and antifungal potential of some arid zone plants
Jain S,Pancholi B,Singh R,Jain R
Indian Journal of Pharmaceutical Sciences , 2010,
Abstract: Sequential extracts of some medicinally important arid zone plants of Rajasthan, viz. Lepidagathis trinervis Nees., Polycarpea corymbosa Lam. and Sericostoma pauciflorum Stocks. ex Wight. were tested against six bacterial (Gram +ve and Gram -ve) and five fungal strains using agar well diffusion method. Ethyl acetate extract of L. trinervis showed maximum activity against Bacillus subtilis, Enterobactor aerogenes, Pseudomonas aeruginosa, Aspergillus flavus and Trichophyton rubrum (inhibition zone 16.00±0.81, 13.33±0.66, 14.33±1.85, 14.30±0.34 and 23.00±0.00 mm) at varied minimum inhibitory concentrations of 82, 20, 41, 41 and 20 μg/ml, respectively.
Eigenvalue spectrum for single particle in a spheroidal cavity: A Semiclassical approach
Sham S. Malik,A. K. Jain,S. R. Jain
Physics , 2002, DOI: 10.1142/S0218301302000867
Abstract: Following the semiclassical formalism of Strutinsky et al., we have obtained the complete eigenvalue spectrum for a particle enclosed in an infinitely high spheroidal cavity. Our spheroidal trace formula also reproduces the results of a spherical billiard in the limit $\eta\to1.0$. Inclusion of repetition of each family of the orbits with reference to the largest one significantly improves the eigenvalues of sphere and an exact comparison with the quantum mechanical results is observed upto the second decimal place for $kR_{0}\geq{7}$. The contributions of the equatorial, the planar (in the axis of symmetry plane) and the non-planar(3-Dimensional) orbits are obtained from the same trace formula by using the appropriate conditions. The resulting eigenvalues compare very well with the quantum mechanical eigenvalues at normal deformation. It is interesting that the partial sum of equatorial orbits leads to eigenvalues with maximum angular momentum projection, while the summing of planar orbits leads to eigenvalues with $L_z=0$ except for L=1. The remaining quantum mechanical eigenvalues are observed to arise from the 3-dimensional(3D) orbits. Very few spurious eigenvalues arise in these partial sums. This result establishes the important role of 3D orbits even at normal deformations.
Cataractogenous effect of hair dyes
Jain I,Jain G,Kaul R,Dhir S
Indian Journal of Ophthalmology , 1981,
Abstract:
Fluorescence and HPLC-Based Standardization of Piper nigrum Fruits
S.C. Jain,E. Menghani,R. Jain
International Journal of Botany , 2007,
Abstract: Piper nigrum Linn., its market samples (I and II) and adulterants were studied for generation of fluorescence markers and HPLC fingerprints. P. nigrum pet. ether extract under 365 nm exhibited lemon yellow fluorescence in contrast to C. papaya with blue fluorescence. HPLC profile of methanolic extracts of P. nigrum have characteristic peaks at various retention time (rt). Resolution value of P. nigrum genuine (0.09), market sample 1 (0.06), market sample 2 (0.11) and C. papaya (0.06) was calculated. These results with high resolution value of market samples are closer to C. papaya value, thus, indicative of adulteration. From the present studies it is revealed that fluorescence and HPLC methods provide specific, accurate, sensitive and reproducible markers/fingerprints in the authentication checks their purity, quality and control.
Visualization of Mined Pattern and Its Human Aspects
Ratnesh Kumar Jain,R. S. Kasana,Suresh Jain
International Journal of Computer Science and Information Security , 2009,
Abstract: Researchers got success in mining the Web usage data effectively and efficiently. But representation of the mined patterns is often not in a form suitable for direct human consumption. Hence mechanisms and tools that can represent mined patterns in easily understandable format are utilized. Different techniques are used for pattern analysis, one of them is visualization. Visualization can provide valuable assistance for data analysis and decision making tasks. In the data visualization process, technical representations of web pages are replaced by user attractive text interpretations. Experiments with the real world problems showed that the visualization can significantly increase the quality and usefulness of web log mining results. However, how decision makers perceive and interact with a visual representation can strongly influence their understanding of the data as well as the usefulness of the visual presentation. Human factors therefore contribute significantly to the visualization process and should play an important role in the design and evaluation of visualization tools.
Efficient Web Log Mining using Doubly Linked Tree
Ratnesh Kumar Jain,Dr. R. S. Kasana,Dr. Suresh Jain
Mathematics , 2009,
Abstract: World Wide Web is a huge data repository and is growing with the explosive rate of about 1 million pages a day. As the information available on World Wide Web is growing the usage of the web sites is also growing. Web log records each access of the web page and number of entries in the web logs is increasing rapidly. These web logs, when mined properly can provide useful information for decision-making. The designer of the web site, analyst and management executives are interested in extracting this hidden information from web logs for decision making. Web access pattern, which is the frequently used sequence of accesses, is one of the important information that can be mined from the web logs. This information can be used to gather business intelligence to improve sales and advertisement, personalization for a user, to analyze system performance and to improve the web site organization. There exist many techniques to mine access patterns from the web logs. This paper describes the powerful algorithm that mines the web logs efficiently. Proposed algorithm firstly converts the web access data available in a special doubly linked tree. Each access is called an event. This tree keeps the critical mining related information in very compressed form based on the frequent event count. Proposed recursive algorithm uses this tree to efficiently find all access patterns that satisfy user specified criteria. To prove that our algorithm is efficient from the other GSP (Generalized Sequential Pattern) algorithms we have done experimental studies on sample data.
Visualization of Mined Pattern and Its Human Aspects
Ratnesh Kumar Jain,Dr. Suresh Jain,Dr. R. S. Kasana
Computer Science , 2009,
Abstract: Researchers got success in mining the Web usage data effectively and efficiently. But representation of the mined patterns is often not in a form suitable for direct human consumption. Hence mechanisms and tools that can represent mined patterns in easily understandable format are utilized. Different techniques are used for pattern analysis, one of them is visualization. Visualization can provide valuable assistance for data analysis and decision making tasks. In the data visualization process, technical representations of web pages are replaced by user attractive text interpretations. Experiments with the real world problems showed that the visualization can significantly increase the quality and usefulness of web log mining results. However, how decision makers perceive and interact with a visual representation can strongly influence their understanding of the data as well as the usefulness of the visual presentation. Human factors therefore contribute significantly to the visualization process and should play an important role in the design and evaluation of visualization tools. This electronic document is a live template. The various components of your paper, title, text, heads, etc., are already defined on the style sheet, as illustrated by the portions given in this document.
Time-delay, energy-continuum, and systematics of particles
S. R. Jain,R. Ramanna,K. Ramachandra
Physics , 2003,
Abstract: Finding systematics in the mass-lifetime data for all the hadrons has been an outstanding problem. In this work, we show that the product of mass and lifetime for unstable particles is very well-approximated by \hbar 2^n/n where n is an integer specific for a particle. In doing so, we have employed a relation between time-delay and resonances. The energy-continuum has been treated in a way to take advantage of Cantor's mathematical work on continuum. Thus, even though the resonances are designated by complex energy variables where ordering is not possible, in terms of stability, the index n labels these resonances; larger the n, more stable a resonance is.
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