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ID:
130710
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2014.
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| Summary/Abstract |
The feasibility of carboxymethyl chitosan intercalated montmorillonite (CMCTS-MMT) clay used as a low-costand effective adsorbent for removal of cationic dye, crystal violet from the aqueous solution has been investigated.The synthesis of CMCTS-MMT was confirmed from the analytical information based on the characterization carried out by Fourier transformation infrared spectroscopy, x-ray diffraction data. During the removal process, batch technique was used and the effect of initial dye concentration, pH, temperature and weight ratio variation of sample composition were evaluated. Sorption process was analysed using pseudo-first order and pseudo-second order kinetic models. The data showed that the second order kinetic model was more appropriate for the absorption of thepresent dye. The equilibrium adsorption isotherms have been analyzed with the help of Langmuir, Freundlich and Redlich-Peterson analytical models. It was observed that the experimental data correlated reasonably well by the Redlich-Peterson and Langmuir isotherms. The desorbed CMCTS-MMT could be reused for adsorption of cationicdye. To investigate the changes in surface morphology of CMCTS-MMT after sorption, scanning electron microscopy analysis were done before and after adsorption of the cationic dye. Finally, the results in this study confirmed thatCMCTS-MMT may be an attractive contender for removal of cationic dyes from the waste water.
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| 2 |
ID:
050924
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Jan-Apr 2004.
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| 3 |
ID:
172208
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| Summary/Abstract |
This article explores in depth various sandhi (joining) rules in Kerala’s Malayalam language, which play a vital role in framing of the inflected and agglutinated forms of words and their compounds. It discusses significant progress in a scientific method to generate a specific annotated data set of Malayalam words that would be useful in many Natural Language Processing tasks which involve Malayalam preprocessing. The article discusses the results and issues encountered in developing this word-splitting tool for Malayalam, mainly in the context of improving the alignments between parallel texts that form a core resource in the Machine Translation task.
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| 4 |
ID:
101024
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2010.
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Although ezafe has been studied by many scholars for many years, it does not yet have a transparent grammatical status. Grammarians have regarded ezafe as a polysemous "word" carrying over ten different "meanings/functions." After a brief review of the previous treatments of ezafe, this paper will present a syntactic analysis, followed by a morphological description and a semantic analysis of this ubiquitous morpheme. It will also compare the distributional properties of other relevant bound morphemes with those of the ezafe. It will finally conclude that ezafe is a dummy clitic-like morpheme which is semantically void, while syntactically it functions as an "associative marker" which subordinates its [+N] host, on the left, to its following complements.
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