Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Dipak K. Chakrabarty"'
Autor:
Goutami Chattopadhyay, Dipak K. Chakrabarty, Suman Paul, D. K. Haldar, Syam Sundar De, Barin K. De
Publikováno v:
Acta Geophysica. 59:361-376
Autoregressive neural network (AR-NN) models of various orders have been generated in this work for the daily total ozone (TO) time series over Kolkata (22.56°N, 88.5°E). Artificial neural network in the form of multilayer perceptron (MLP) is imple
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4227bcdefc9965a26fc8b3be59bb1cb
https://doi.org/10.2478/s11600-010-0047-0
https://doi.org/10.2478/s11600-010-0047-0
Autor:
Debasish Das, Dipak K. Chakrabarty
Publikováno v:
Energy & Fuels. 12:109-114
Alkylation of isobutane with 1-butene was carried out in the gas phase at atmospheric pressure over sulfate-promoted zirconia superacid catalysts prepared by two different procedure. The method of sulfation does not seem to much affect the surface ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96d41662c3003169d5837425053516e0
https://doi.org/10.1021/ef970078+
https://doi.org/10.1021/ef970078+
Publikováno v:
Applied Catalysis A: General. 159:229-240
Alkylation of phenol with t -butanol in the vapour phase on SAPO-11 catalyst has been studied. The main products are 4- t -butylphenol,2- t -butylphenol and 2,4-di- t -butylphenol, the last of these is the product of further alkylation of the 2- t -b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17656dfca3f4d941c9efde0fd2b371fd
https://doi.org/10.1016/s0926-860x(97)00030-6
https://doi.org/10.1016/s0926-860x(97)00030-6
Publikováno v:
Applied Catalysis A: General. 131:335-345
Fischer-Tropsch synthesis of lower hydrocarbons on silicalite-1 supported cobalt and cobalt-manganese catalysts is reported. The catalysts were prepared by impregnating the calcined support with the corresponding metal nitrate solutions. Co 3 O 4 was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75aea6019531d72256688561edc5b929
https://doi.org/10.1016/0926-860x(95)00141-7
https://doi.org/10.1016/0926-860x(95)00141-7
Publikováno v:
Proceedings / Indian Academy of Sciences. 106:621-628
Silicon-substituted aluminophosphates with different framework structures SAPO-5, -11, -34 and -44 have been synthesized by the hydrothermal method using organic templates. The extent of silicon substitution in these materials has been investigated b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50c61037f303537e90d37917d8baaddc
https://doi.org/10.1007/bf02911092
https://doi.org/10.1007/bf02911092
Publikováno v:
Applied Catalysis A: General. 111:119-132
Unsupported Fe-Mn-K catalysts prepared earlier by incorporating potassium in-situ during coprecipitation of iron- and manganese oxides have been found to exhibit good catalytic activity and high alkene selectivity in the C2-C4 range, during syngas co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe90cb2a3533313b2e69dade7a783bd1
https://doi.org/10.1016/0926-860x(94)85046-1
https://doi.org/10.1016/0926-860x(94)85046-1
Publikováno v:
Applied Catalysis A: General. 107:73-81
Iron-manganese catalyst supported on silicalite 1 was prepared by impregnation. The catalyst preparation was followed by X-ray diffraction, temperature-programmed reduction and Mossbauer spectroscopy. Hydrogenation of CO was studied in a high pressur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d58a9057ca85fe7b78068ef8a4de370d
https://doi.org/10.1016/0926-860x(93)85116-7
https://doi.org/10.1016/0926-860x(93)85116-7
Publikováno v:
ChemInform. 24
Reaction of ethylbenzene, alkylation of toluene with methanol and that of ethylbenzene with ethanol have been studied on the medium pore, high silica zeolite KZ-1 under varying experimental conditions. The zeolite showed a stable catalytic activity a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb3bfd733a973a77b81963cb1832f0c1
https://doi.org/10.1002/chin.199320112
https://doi.org/10.1002/chin.199320112
Publikováno v:
ChemInform. 25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::670075266197561c2f59ca761b0e9cc6
https://doi.org/10.1002/chin.199437006
https://doi.org/10.1002/chin.199437006
Publikováno v:
ChemInform. 28
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a6936ddccfb1d326df057a948c16882
https://doi.org/10.1002/chin.199747095
https://doi.org/10.1002/chin.199747095