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Author:Helal

6 matching references were found.

Helal, A.I.; Zahran, N.F., Kinetic shift in some para-substituted acetophenones, Org. Mass Spectrom., 1978, 13, 549. [all data]

Rabbih, M.A.; Helal, A.I.; Fahmey, M.A., Mass spectrometric studies of methylacetophenone isomers by electron impact, Indian J. Pure Appl. Phys., 1981, 19, 335. [all data]

Selim, E.T.M.; Helal, A.I., Heat of formation of CH2=OH+ fragment ion, Indian J. Pure Appl. Phys., 1981, 19, 977. [all data]

Selim, E.T.M.; Helal, A.I., The study of C1-C3 monosubstituted alkyl benzenes by the inverse convolution of first differential ionization efficiency curves, Org. Mass Spectrom., 1982, 17, 539. [all data]

Saidana, D.; Mahjoub, M.A.; Boussaada, O.; Chriaa, J.; Cheraif, I.; Daami, M.; Mighri, Z.; Helal, A.N., Chemical composition and antimicrobial activity of volatile compounds of Tamarix boveana (Tamaricaceae), Microbiol. Res., 2008, 163, 4, 445-455, https://doi.org/10.1016/j.micres.2006.07.009 . [all data]

Bousaada, O.; Ammar, S.; Saidana, D.; Chriaa, J.; Chraif, I.; Daami, M.; Helal, A.N.; Mighri, Z., Chemical composition and antimicrobial activity of volatile components from capitula and aerial parts of Rhaponticum acaule DC growing wild in Tunisia, Microbiol. Res., 2008, 163, 1, 87-95, https://doi.org/10.1016/j.micres.2007.02.010 . [all data]