Zobrazeno 1 - 10
of 132
pro vyhledávání: '"H. S. Patel"'
Autor:
H. S. Patel, R. Meher
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 10, Iss 5, Pp 1451-1460 (2017)
In this paper, the counter – current imbibition phenomenon in a fractured heterogeneous porous media is studied with the consideration of different types of porous materials like volcanic sand and fine sand and Adomian decomposition method is appli
Externí odkaz:
https://doaj.org/article/24f1e48d22fe485b91d84de81801bb1c
Autor:
H. S. Patel, R. Meher
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 9, Iss 6, Pp 3135-3145 (2016)
Here we have studied the fingering phenomena in fluid flow through fracture porous media with inclination and gravitational effect and investigate the applicability of Adomian decomposition method to the nonlinear partial differential equation arisin
Externí odkaz:
https://doaj.org/article/f8e6b2cc5fd2420f9630052808645441
Autor:
H. S. Patel, K. K. Oza
Publikováno v:
E-Journal of Chemistry, Vol 6, Iss 2, Pp 371-376 (2009)
5-Chloromethyl-8-quinolinol was condensed stoichiometrically with benzotriazole in presence of potassium carbonate. The resulting 5-[1(H)-benzo triazole methylene]-8-quinolinol (BTMQ) was characterized by elemental analysis and spectral studies. The
Externí odkaz:
https://doaj.org/article/52dbe983363b4e6fa95452414160a91a
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 5, Pp 237-242 (2004)
Novel unsaturated poly (ester- amide) resins (UPEAs) were prepared by the reaction between an epoxy resin, namely diglycidyl ether of bisphenol–A (DGEBA) and unsaturated aliphatic bisamic acids using a base catalyst. These UPEAs were then blended w
Externí odkaz:
https://doaj.org/article/47ab34190fe14f33ac80da48eb0c4e01
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 1, Pp 51-56 (2004)
Various disperse dyes based on m-phenylenediamine have been prepared. These dyes then polycondensation with 4,4'-Diphenyl methane diisocyanate. The resultant colored polyureas were characterized by N content, IR spectral studies, Number Average Molec
Externí odkaz:
https://doaj.org/article/539f121fbb6b4398b30d693c00c9b032
Autor:
H. S. Patel, H. D. Desai
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 4, Pp 194-198 (2004)
Some novel azetidinone derivatives containing aryl sulfonyloxy group have been prepared. The 4-sulfonyloxy aniline derivative (2) has been prepared by reaction of 4-nitro phenol (sodium salt) with N-acetyl sulfanilyl chloride (ASC) followed by hydrol
Externí odkaz:
https://doaj.org/article/22e9b7d136844a08ab93ed743fc20aec
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 2, Pp 93-98 (2004)
Novel N-substituted piperazine derivatives containing sulfonyloxy aniline moiety have been prepared. The various 4-sulfonyloxy aniline (SA) derivatives (2a-h) have been prepared by the condensation reaction of N-Acetyl Sulfanilyl chloride (ASC) and s
Externí odkaz:
https://doaj.org/article/6e2e6a725afd44f4aace70bfb51bbe15
Publikováno v:
E-Journal of Chemistry, Vol 1, Iss 1, Pp 11-16 (2004)
A castor oil, an agricultural product, is an unsaturated material. Hence the castor oil is brominated by bromine liquid. The brominated castor oil (BCO) was then reacted with excess of aliphatic diamines viz; ethylene diamine, 1,3-propane diamine and
Externí odkaz:
https://doaj.org/article/84b6b34d1d604367b857bf9acad45f67
Publikováno v:
Rasayan Journal of Chemistry. 15:448-451
The Schiff bases of (1a-e) isoniazid and 5-substituted- 2-furancarboxaldehydes on treatment with mercapto acetic acid yield, 4-thiazolidinone (2a-e) derivatives. These derivatives (2a-e) on Mannich base reaction with diphenyl amine and formaldehyde y
Publikováno v:
International Journal of Current Microbiology and Applied Sciences. 10:283-292