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Search Results: 1 - 10 of 588 matches for " Manuja Naveen "
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Influence of hydrophobic layer and delayed placement of composite on the marginal adaptation of two self-etch adhesives
Pushpa R,Suresh B,Arunagiri D,Manuja Naveen
Journal of Conservative Dentistry , 2009,
Abstract: Aim: The purpose of this in vitro investigation was to evaluate the influence of hydrophobic layer and delay in placement of composite on marginal adaptation of two self-etch adhesive systems (XENO-III and ALL-BOND SE). Materials and Methods: Eighty class V cavities were prepared on intact, extracted human premolars and were divided into 4 groups of 10 teeth each. Group 1: Application of bonding agents as per manufacturer directions and immediate placement of composite; Group 2: Application of bonding agent and composite similar to group1, with hydrophobic layer curing before composite placement; Group 3: Application of bonding agent similar to group 1, with 2 min delay in composite placement; and Group 4: Application similar to group 2 with 2-min delay in composite placement. The specimens were restored and light cured. After thermocycling and immersion in 2% basic Fuchsin dye solution, the teeth were sectioned and dye penetration was observed under a stereomicroscope at 20x magnification. All the samples were scored and results were analyzed using Kruskal-Wallis and Mann-Whitney tests. Results: In group 1, the microleakage along the both enamel and dentin margin was significantly higher than the other groups for both the adhesive systems. There is no significant difference between groups 2, 3 and 4. Conclusion: The addition of a more hydrophobic resin layer and delay in composite placement significantly improves the marginal adaptation of self-etch adhesive resin systems.
Semantic Web Mining of Un-structured Data: Challenges and Opportunities
Manoj Manuja & Deepak Garg
International Journal of Engineering , 2011,
Abstract: The management of unstructured data is acknowledged as one of the most critical unsolvedproblems in data management and business intelligence fields in current times. The major reasonfor this unresolved problem is primarily because of the actuality that the methods, systems andrelated tools that have established themselves so successfully converting structured informationinto business intelligence, simply are ineffective when we try to implement the same onunstructured information. New methods and approaches are very much necessary. It is a knownrealism that huge amount of information is shared by the organizations across the world over theweb. It is, however, significant to observe that this information explosion across the globe hasresulted in opening a lot of new avenues to create tools for data management and businessintelligence primarily focusing on unstructured data. In this paper, we explore the challengesbeing faced by information system developers during mining of unstructured data in the context ofsemantic web and web mining. Opportunities in the wake of these challenges are discussedtowards the end of the paper.
Microscopic Observation of Nuclear Track Pores in Polymeric Membranes  [PDF]
Naveen K. Acharya
Engineering (ENG) , 2011, DOI: 10.4236/eng.2011.36076
Abstract: Nuclear track pores were develop and observed in polycarbonate and LR-115 membranes. The polymer membranes were irradiated by swift heavy ions (SHI) and etched chemically. The stopping range of heavy ion is larger than the thickness of the membrane. The fluence of ions was changes from 103 to 107 ions-cm-2. The etching time was increased till pore size reaches up to micron range. The etching conditions were set to develop the porous tracks. The tracks are revealed under optical microscope as the size reaches up to micron or sub-micron size. The size was measured using standard electron diffraction grid. Results show that the porous tracks having average size of 2.4 micron can be developed in polycarbonate, while 5 - 10 micron porous tracks can be developed in LR-115.
Video Based Vehicle Detection and its Application in Intelligent Transportation Systems  [PDF]
Naveen Chintalacheruvu, Venkatesan Muthukumar
Journal of Transportation Technologies (JTTs) , 2012, DOI: 10.4236/jtts.2012.24033
Abstract: Video based vehicle detection technology is an integral part of Intelligent Transportation System (ITS), due to its non-intrusiveness and comprehensive vehicle behavior data collection capabilities. This paper proposes an efficient video based vehicle detection system based on Harris-Stephen corner detector algorithm. The algorithm was used to develop a stand alone vehicle detection and tracking system that determines vehicle counts and speeds at arterial roadways and freeways. The proposed video based vehicle detection system was developed to eliminate the need of complex calibration, robustness to contrasts variations, and better performance with low resolutions videos. The algorithm performance for accuracy in vehicle counts and speed was evaluated. The performance of the proposed system is equivalent or better compared to a commercial vehicle detection system. Using the developed vehicle detection and tracking system an advance warning intelligent transportation system was designed and implemented to alert commuters in advance of speed reductions and congestions at work zones and special events. The effectiveness of the advance warning system was evaluated and the impact discussed.
Minor modifications in obtainable Arabidopsis floral dip method enhances transformation efficiency and production of homozygous transgenic lines harboring a single copy of transgene  [PDF]
Priyanka Das, Naveen Chandra Joshi
Advances in Bioscience and Biotechnology (ABB) , 2011, DOI: 10.4236/abb.2011.22010
Abstract: Many researchers have developed various methods for in-planta or floral dip transformation of Arabidopsis thaliana, one of the simple protocol and widely used to produce transgenic Arabidopsis. As the efficiency and ease of getting a transformant is very much time consuming effort and less number of the transformants people get, we have developed a little modified transformation protocol to avoid the disparities. Four types of inoculums (inoculum1, inoculum2, inoculum3 and inoculum4) were used to check the transformation efficiency out of which Inoculum3 showed the highest rate of transformation among the four types. 0.07% Twin-20 also acts in same manner as silwet L-77 to increase the rate of transformation efficiency and glucose instead of sucrose can be used in inoculum to transform Arabidopsis. After vacuum infiltration keeping the Agrobacterium infected plants for 7-8 hrs horizontally in low light at 280C temperature condition, considered best to get an increased number of transformed seeds. Modified protocol produced ~12-14% increase in transformants. Selection pots (kanamycin supplemented soil filled pots) in place of selection plates (Kanamycin supplemented Murashige and Skoog agar plates) proved beneficial as no MS medium and no aseptic condition is required for selection of transformed plants. This increase in transformation efficiency consequently increased the percentage of homozygous and single copied stable transgenic lines.
Charged Lepton Flavour Violation in Littlest Higgs model with T-parity
Gaur, Naveen
High Energy Physics - Phenomenology , 2007, DOI: 10.1063/1.2898987
Abstract: The Little Higgs model with T-parity (LHT) belongs to the non-minimal flavour violating model. This model has new sources of flavour and CP violation both in quark and leptonic sectors. These new sources of flavour violation originates by the interaction of Standard Model (SM) fermions with heavy gauge bosons and heavy (or mirror) fermions. In this work we will present the impact of the new flavour structure of T-parity models on flavour violations in leptonic sector.
Validity of Running in Gait Biometrics
Naveen Rohila
International Journal of Electrical, Electronics and Computer Systems (IJEECS) , 2012,
Abstract: Due to increasing crime rate, necessity of visual surveillance and monitoring applications is increasing day by day. This paper describes the validity of running gait biometrics by establishing the relation between normal walking and running using Fourier Analysis and Phase Modulating Signals. Static and Dynamic features of each person are calculated for running and walking both. Experiments have been done at Govt. Polytechnic for Women, Faridabad in real world conditions. 77 persons participated in normal walking experiments and 15 persons from these participated in running experiments. The experimental results show that running of each person is unique and can be effectively used for recognition like normal walking.
Distributed Routing Simulation for Generic Network-on-Chip Topologies
Naveen Choudhary
International Journal of Engineering and Advanced Technology , 2011,
Abstract: Networks-on-Chip (NoC) is recently proposed as analternative to the on-chip bus to meet the increasing requirementof complex communication needs in Systems-on-Chip (SoC).Most researchers advocate the use of traditional regular networkslike meshes as architectural templates which gained a highpopularity in general-purpose parallel computing. However, mostSoC platforms are special-purpose tailored to the domain-specificrequirements of their application. They are usually built from alarge diversity of heterogeneous components which communicatein a very specific, mostly irregular way. In such systems the sizeand nature of cores may vary quite widely making the topologyirregular. Moreover regular topologies can become irregular dueto faults in links and switches. In such scenario topology agnosticrouting algorithms are generally required. In this paper, we haveanalyzed the performance and applicability distributed table basedrouting for irregular NoC on an Network-on-Chip simulationframework.
Deadlock Free Routing in Irregular Interconnection Networks for Complex SoCs
Naveen Choudhary
International Journal of Engineering and Advanced Technology , 2011,
Abstract: Networks-on-Chip (NoC) is recently proposed as an alternative communication infrastructure/Interconnection Network for address the high communication demands of the complex futuristic SoCs. Most researchers advocate the use of traditional regular networks like meshes as architectural templates which gained a high popularity in general-purpose parallel computing. However, most SoC platforms are special-purpose tailored to the domain-specific requirements of their application. They are usually built from a large diversity of heterogeneous components which communicate in a very specific, mostly irregular way. In such systems the size and nature of cores may vary quite widely making the topology irregular. Moreover regular topologies can become irregular due to faults in links and switches. In such scenario topology agnostic routing algorithms are generally required. In this paper, a survey of various deadlock free table based routing function is presented. The paper presents survey of deadlock free routing function with and without the availability of virtual layers
Indian Streams Research Journal , 2012,
Abstract: 'Choupal' in villages is a powerful source of entertainment and information. It is a wonderful gift of Indian culture. Today, in the era of digital technology, discussion, debate, constant flow of information, new ocean of knowledge and every common man has got a powerful medium to express his ideas and opinions which is known as Social Media. Social Media is such a digital platform which, through technical medium, providing important opportunity to people for knowledge-creation, participation and sharing knowledge and this social media is playing a role of such a 'Virtual Global Community Hall' whose boundaries are unlimited. The access of The Virtual Digital Hall is not limited to a particular region rather to every human being who in a way or other using internet. Global village is now converting into a Virtual Global Community Hall, a community hall where people may not be present physically but connected to every sphere of the world with the help of 'Key Board' and 'Computer Monitor'. In seconds, information can be transmitted from one corner of the world to other and we can make the world aware of our ideas. Mean to say that we can share our ideas without any hesitation, discuss the issues with people, can discuss socio-state problems for solution on Virtual Global Community Hall. Social Media began to connect friends; today it has connected the whole in a friendly manner. Social Media has opened the doors to the world for social change and is accessible to every corner of the world. Social Media has opened the door for the social change and Social Media has emerged as a powerful medium of social change worldwide.
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