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ORE at CSIR-Institute of Minerals and Materials Technology: Recent submissions

Now showing items 2441-2450 of 3828

On the adequacy of distribution curves used in coal cleaning - A statistical analysis

Mohanta, S.; Mishra, B.K. (Fuel, 88(11), 2009: 2262-2268)

The performance of a gravity separator treating coal is commonly determined by plotting a Tromp curve which is basically a plot of partition coefficients against average specific gravity. There are many mathematical models ...
Surface characterization and catalytic evaluation of copper-promoted Al-MCM-41 toward hydroxylation of phenol

Parida, K.M.; Rath, D. (Journal Of Colloid And Interface Science, 340(2), 2009: 209-217)

The Mobil Composition of Matter No. 41 (MCM-41) containing Cu and Al with Si/Al ratios varying from 100 to 10 and 1 to 6 wt.% of Cu was synthesized under hydrothermal and impregnation conditions, respectively. The samples ...
Synthesis of mesoporous TiO2-xNx spheres by template free homogeneous co-precipitation method and their photo-catalytic activity under visible light illumination

Parida, K.M.; Naik, B. (Journal Of Colloid And Interface Science, 333(1), 2009: 269-276)

The article presents preparation, characterization and catalytic activity evaluation of an efficient nitrogen doped mesoporous titania sphere photo-catalyst for degradation of methylene blue (MB) and methyl orange (MO) ...
Studies on fluoride adsorption capacities of amorphous Fe/Al mixed hydroxides from aqueous solutions

Sujana, M.G.; Soma, G.; Vasumathi, N.; Anand, S. (Journal Of Fluorine Chemistry, 130(8), 2009: 749-754)

This study evaluated the effectiveness of amorphous iron and aluminum mixed hydroxides in removing fluoride from aqueous solutions. A series of mixed Fe/Al samples were prepared at room temperature by co-precipitating Fe ...
Mechanical properties of graphite flakes and spherulites measured by nanoindentation

Pradhan, Siddhartha Kumar; Nayak, B.B.; Sahay, S.S.; Mishra, B.K. (Carbon, 47(9), 2009: 2290-2292)

The mechanical properties of graphite flakes and spherulites in cast iron were measured by nanoindentation. The spherulites had a significantly lower Young's modulus and hardness than the graphite flakes. This was attributed ...
Fatty Acid Profile, Volatiles and Antibacterial Screening of Lipids of The Sponge Siphonodictyon coralliphagum Collected From The Bay of Bengal (Orissa Coast)

Mishra, P.M.; Sree, A. (Asian Journal Of Chemistry, 21(6), 2009: 4429-4434)

The fatty acid composition as well as volatiles of total lipids in the marine sponge Siphonodictyon coralliphagum was analyzed. Most abundant are saturated fatty acid among which the % of docosanoic acid is found to be ...
Characterisation of Extracellular Cellulase (Endoglucanase) Activity of Bacillus subtilis and Bacillus stearothermophilus Isolated from Marine Sponges of Gopalpur Coast, Orissa (Bay of Bengal)

Vimla, A.; Rath, C.C.; Sree, A. (Journal Of Pure And Applied Microbiology, 3(1), 2009: 67-74)

In the present study 83 bacteria in toto were isolated from eleven sponges, one gorgonian and one antipatherian from the Bay of Bengal and screened for their extracellular cellulase activity Thirteen isolates were positive ...
Swift Heavy Ion Beam-induced Recrystallisation of Buried Silicon Nitride Layer

Som, T.; Sinha, O.P.; Ghatak, J.; Satpati, B.; Kanjilal, D. (Defence Science Journal, 59(4), 2009: 351-355)

Studies on MeV heavy ion beam-induced epitaxial crystallisation of a buried silicon nitride layer are reported. Transmission electron micrographs and selected area diffraction patterns have been used to study the ...
Removal of arsenic from arsenic rich sludge by volatilization using anaerobic microorganisms treated with cow dung

Mohapatra, D.; Mishra, D.; Chaudhury, G.R.; Das, R.P. (Soil & Sediment Contamination, 17(3), 2008: 301-311)

The microbial mediated volatilization of arsenic by anaerobic digestion method was studied using cultures of methanogenic bacteria. Cow dung was utilized as the major substrate for the bacterial growth during arsenic ...
Effect of Organized Assemblies. Part 5: Study on the Rheology and Stabilization of a Concentrated Coal-Water Slurry Using Saponin of the Acacia concinna Plant

Das, D.; Panigrahi, S.; Senapati, P.K.; Misra, P.K. (Energy & Fuels, 23, 2009: 3217-3226)

The present work involves the preparation of a highly concentrated coal-water slurry employing three different low-rank coals of Indian origin having variable ash content. The formulation, rheology, and stabilization of ...

Now showing items 2441-2450 of 3828

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