2,334 research outputs found

    'Ur (Town)' in the classical theory of Thinai: Based on Aingurunooru

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    The land is the basis for the survival of life. Therefore, the ancient Tamil poets and the ancient Tamil grammarians gave more importance to the land in the functions of creation and grammar. It is worth noting here that in the three-subjects distinction between the ecological and moral symbolism of human life (the triad of the first, thematic, and the object), the land and time are the primary objects. The strategies adopted by classical Tamil poets to place internal and external emotions as poems are essentially very important and should be identified separately. In particular, the poets who have written the Agam songs have inculcated in their minds the idea of Thinai theory (land, time, natural resources, etc.). One of the classical books in Tamil is Aingurunooru. The poets who have composed the chapters in this book, which have been planned and recited in five categories, have also composed poems with the names of the towns. The poets have composed the poems with a good understanding of the Thinai. Poets have given a significant place to the land (the habitat) in the singing of nature. This character can be seen in Aingurunooru. We can also take this as a general theoretical concept for the Sangam Classical texts on the place name post, like Orupanai chothukku is oru choru padham (for the entire pot, it is enough to test the single grain for the desired level of cooking)

    A Paripaadal Perspective on the Unique Identification of Pandiya Nadu Poets

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    Paripadal is one of the texts of Sangam literature. Among the 13 poets who sang paripadal, the people of Pandiya Nadu have been singled out in this article. Everyone knows that Paripaadal is a Pandiya Nadu. In addition to Madurai, Vaiyai, Tiruparangunram, and Azagarkoil are found as hymns in this book. Its songs are sung on the topics of Vaiyai, Sevvel, and Thirumal. It is not possible to conclude that all the poets who sang were poets of Pandiya Nadu, as the scene of the song was in the Pandiya Nadu areas around Madurai. Some of the poets have sung the praises of the Pandiya region or the Pandiya king in allegorical and laudatory terms in the context of praising the Pandiya region or the Pandiya king in their songs. However, this structure is not found in the songs of some poets. They sing only what they have come to sing. In the songs sung by poets, knowingly or unknowingly, they write about their land, country, and king in a state of admiration and through metaphors. On the basis of this, it is possible to identify the teachers Nallanthuvanar, Ilamperuvazhuthiyar, Karumpillaipoothanar, Keeranthaiyar, Kundramboothanar, Nappannar, Nalvazhuthiyar, Nallazhisiyar, and Mayodakovanar as Pandiya Nadu poets. However, this is not the case in the verses of some of the poets, and the four poets, Kaduvan Ilaveinanar, Kesavanar, Nallasthanar, and Nallazhuniyar could not be distinguished as Pandiya folk

    An Area Efficient Pulse Triggered Flipflop Design under 90nm CMOS Technology

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    The choice of flip-flop technologies is an essential importance in design of VLSI integrated circuits for high speed and high performance CMOS circuits. The main objective of this project is to design an area efficient Low-Power Pulse- Triggered flip-flop. It is important to reduce the power dissipation in both clock distribution networks and flip-flops. The comparison of low power pulse triggered flip-flops such as Ep-DCO, MHLFF, ACFF, Ip-DCO, conditional enhancement scheme and signal feed through scheme. Logics are carried out and the best power-performance is obtained. Here simulations are done under 90nm technology and the results are tabulated below. In that signal feed through scheme is showing better output than the other flip-flops compared here

    Experimental investigations of Jominy End Quench test using CuO nanofluids

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    Nanofluids are the new class of quenching medium with colloidal suspensions of nanoparticles in base fluids, which improves the heat transfer characteristics. The present work has been focused on the quenching effect of mild steel and EN-8 steel with nanoparticles dispersed quenching medium. The different volume concentrations of nanofluids have been prepared by adding CuO nanoparticles with the average diameter of less than 50 nm in distilled water. Three volume concentrations (0.01%, 0.05% and 0.1%) of nanofluids have been prepared. EN8 and mild steel rod have machined as per Jominy end quench standard. The materials are heated up to 900â°C and the heated specimens are Jominy end quenched by using nanofluid. Heat transfer during the cooling has been recorded by interfacing the LabVIEW software, NI-DAQ kit and thermocouple. Then the hardness values are measured at different points on the work piece to examine the change in hardness of the quenched specimens. The result shows that, 0.05% volume concentration nanofluid exhibits a higher heat transfer rate; consequently the high hardness value has been achieved as compared with other specimens. The same effect has been observed with cooling curve, which was recorded by LabVIEW during the quenching process

    Terrestrial Laser Scanning to Detect Liana Impact on Forest Structure

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    Tropical forests are currently experiencing large-scale structural changes, including an increase in liana abundance and biomass. Higher liana abundance results in reduced tree growth and increased tree mortality, possibly playing an important role in the global carbon cycle. Despite the large amount of data currently available on lianas, there are not many quantitative studies on the influence of lianas on the vertical structure of the forest. We study the potential of terrestrial laser scanning (TLS) in detecting and quantifying changes in forest structure after liana cutting using a small scale removal experiment in two plots (removal plot and non-manipulated control plot) in a secondary forest in Panama. We assess the structural changes by comparing the vertical plant profiles and Canopy Height Models (CHMs) between pre-cut and post-cut scans in the removal plot. We show that TLS is able to detect the local structural changes in all the vertical strata of the plot caused by liana removal. Our study demonstrates the reproducibility of the TLS derived metrics for the same location confirming the applicability of TLS for continuous monitoring of liana removal plots to study the long-term impacts of lianas on forest structure. We therefore recommend to use TLS when implementing new large scale liana removal experiments, as the impact of lianas on forest structure will determine the aboveground competition for light between trees and lianas, which has important implications for the global carbon cycle

    Evaluating the social acceptability of voice based smartwatch search

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    There has been a recent increase in the number of wearable (e.g. smartwatch, interactive glasses, etc.) devices available. Coupled with this there has been a surge in the number of searches that occur on mobile devices. Given these trends it is inevitable that search will become a part of wearable interaction. Given the form factor and display capabilities of wearables this will probably require a different type of search interaction to what is currently used in mobile search. This paper presents the results of a user study focusing on users’ perceptions of the use of smartwatches for search. We pay particular attention to social acceptability of different search scenarios, focussing on in-put method, device form and information need. Our findings indicate that audience and location heavily influence whether people will perform a voice based search. The results will help search system developers to support search on smartwatches

    Detection of marine aerosols with IRS P4-ocean colour monitor

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    The atmospheric correction bands 7 and 8 (765nm and 865nm respectively) of the Indian Remote Sensing Satellite IRS P4-0CM (Ocean Colour Monitor) can be used for deriving aerosol optical depth (AOD) over the oceans. A retrieval algorithm has been developed which computes the AOD using band 7 data by treating the ocean surface as a dark background after removing the Rayleigh path radiance in the sensor-detected radiances. This algorithm has been used to detect marine aerosol distributions at different coastal and offshore locations around India. A comparison between OCM derived AOD and the NOAA operational AOD shows a correlation ~0.92 while that between OCM derived AOD and the ground-based sun photometer measurements near the coast of Trivandrum shows a correlation of ~0.90

    Laparoscopic sleeve gastrectomy using a synthetic bioabsorbable staple line reinforcement material: Post-operative complications and 6 year outcomes.

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    BACKGROUND: Gastric leak after laparoscopic sleeve gastrectomy (LSG) is a serious complication. Currently, the literature lacks long-term outcomes in LSG and leak rates after reinforcement of the staple line. The aims are two-fold: to present leak rates from using staple line reinforcement and six year outcomes of LSG in relation to resolution of obesity-related comorbidities and long-term weight loss. MATERIALS AND METHODS: This is a single-institution, retrospectively reviewed study of 204 patient case files. Data from all patients undergoing LSG between December 2007 and May 2013 was collected. RESULTS: The total complication rate was 6.9% (14/204), with no recorded staple line leaks. The mean postoperative Body Mass Index (BMI) at 1 year, 2 years, 3 years, 4 years, 5 years, and 6 years was 39.3 ± 8, 38.7 ± 8, 40.4 ± 9, 40.5 ± 10, 43.0 ± 10, and 42.4 ± 7, respectively. The mean % excess weight loss at 1 year, 3 years, and 6 years was 48.4 ± 19, 51.7 ± 28, and 41.0 ± 21, respectively. There were no significant differences between follow-ups at year 1 and 3 (p > 0.05), and between year 3 and 6 (p > 0.05) for the mean % excess weight loss. The resolution rates for all patients were 74%, 61%, 79%, and 90% for hypertension, hypercholesterolemia, diabetes mellitus type 2 and obstructive sleep apnea, respectively. CONCLUSION: The synthetic bioabsorbable reinforcement material shows no staple line leaks making it safe to use. LSG as a procedure had a high resolution of obesity-related comorbidities as well as sustainable long-term weight loss

    Possible impact of a major oil-well fire on aerosol optical depth at Dibrugarh

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    Estimation of the effect of long-range transport on seasonal variation of aerosols over northeastern India

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    Spectral aerosol optical depth (AOD) at ten discrete channels in the visible and near IR regions were estimated over Dibrugarh, located in the northeastern part of India, using a ground-based multi-wavelength solar radiometer (MWR) from October 2001 to February 2006. The observations reveal seasonal variations with low values of AODs in retreating monsoon and high values in the pre-monsoon season. Generally the AODs are high at shorter wavelengths and low at longer wavelengths. AOD spectra are relatively steep in winter compared to that in the monsoon period. The average value of AOD lies between 0.44±0.07 and 0.56±0.07 at 500 nm during the pre-monsoon season and between 0.19±0.02 and 0.22±0.02 during re-treating monsoon at the same wavelength. Comparison of MWR observation on Dibrugarh with satellite (MODIS) observation indicates a good correspondence between ground-based and satellite derived AODs. The synoptic wind pattern obtained from National Centre for Medium Range Weather Forecasting (NCMRWF), India and back trajectory analysis using the NOAA Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT4) Model indicates that maximum contribution to aerosol extinction could be due to transport of pollutants from the industrialized and urban regions of India and large amounts of desert and mineral aerosols from the west Asian and Indian desert. Equal contributions from Bay-of- Bengal (BoB), in addition to that from the Indian landmass and west Asian desert leads to a further increase of AOD over the region of interest in the pre-monsoon seasons
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