Kinetics of Heterogeneous and/or Homogeneous Catalytic Decomposition of Hydrogen Peroxide by Some Metal Vanadates and Their Primary Oxide Mixtures

Research Authors
M.M. Girgis , R.M. Gabr and A.M. El-Awad
Research Department
Department of chemistry
Research Journal
Croatica Chemica Acta
Research Member
Rabea Mohamed Gabr Mosaa Harb
Research Pages
207-216
Research Rank
1
Research Vol
64(2)
Research Year
1991

Kinetics of Heterogeneous and/or Homogeneous Catalytic Decomposition of Hydrogen Peroxide by Some Metal Vanadates and Their Primary Oxide Mixtures

Research Authors
M.M. Girgis , R.M. Gabr and A.M. El-Awad
Research Department
Department of chemistry
Research Journal
Croatica Chemica Acta
Research Member
Maher Mikhail Girgis Habib
Research Pages
207-216
Research Rank
1
Research Vol
64(2)
Research Year
1991

Ultrastructure of the corpus allatum in the solitary and gregarious adult female, Schistocerca gregaria in relation to CA volumetric changes and oocyte growth

Research Authors
Tawfik, A. I.
Research Department
Zoology & Entomology Department
Research Journal
Bull. Fac. Sci. Assiut Univ.
Research Member
Amer Ibrahim Tawfik
Research Pages
17-32
Research Publisher
ssiut University, Faculty of Science
Research Rank
2
Research Vol
29 (E)
Research Year
2000

Time-course haemolymph juvenile hormone titers in solitarious and gregarious adults of Schistocerca gregaria, and their relation to pheromone emission, CA volumetric changes and oocyte growth

Research Authors
- Tawfik, A. I., Lackner, B., Hassanali, A. and Osir, E.
Research Department
Zoology & Entomology Department
Research Journal
J. Insect Physiol.
Research Member
Amer Ibrahim Tawfik
Research Pages
1143-1150
Research Publisher
Elsevier
Research Rank
1
Research Vol
46
Research Year
2000

Identification of [Arg7] corazonin in the silkmoth, Bombyx mori and the cricket, Gryllus bimaculatus, as a factor inducing dark color in an albino strain of the locust, Locusta migratoria

Research Authors
Hua, Y.-J., Ishibashi, J., Saito, H., Tawfik, A. I., Sakakibara, M, Tanaka, Y., Schoofs, L., De Loof, A., Derua, R., Waelkens, E. and Tanaka, S.
Research Department
Zoology & Entomology Department
Research Journal
J. Insect Physiol.
Research Member
Amer Ibrahim Tawfik
Research Pages
853-859
Research Publisher
Elsevier
Research Rank
1
Research Vol
46
Research Year
2000

Ecdysteroids during ovarian development and embryogenesis of the solitary and gregarious Schistocerca gregaria.

Research Authors
Tawfik, A. I., Vedrova, A. and Sehnal, F.
Research Department
Zoology & Entomology Department
Research Journal
Arch. Insect Biochem. Physiol.
Research Member
Amer Ibrahim Tawfik
Research Pages
134-143
Research Publisher
Elsevier
Research Rank
1
Research Vol
41
Research Year
1999

Identification of the gregarization-associated dark-pigmentotropin in locusts through an albino mutant

Research Authors
Tawfik, A. I., Tanaka, S., De Loof, A., Schoofs, L., Baggerman, G., Waelkens, E., Derua, R., Milner, Y., Yerushalmi, Y. and Pener, M. P.
Research Department
Zoology & Entomology Department
Research Journal
Proc. Nat. Acad. Sci. USA
Research Member
Amer Ibrahim Tawfik
Research Pages
7083-7087
Research Publisher
USA
Research Rank
1
Research Vol
96
Research Year
1999

Ultrastructure of the corpus allatum in the solitary and gregarious adult male, Schistocerca gregaria in relation to pheromone production

Research Authors
Tawfik, A. I. and Mohammed, M. M.
Research Department
Zoology & Entomology Department
Research Journal
Bull. Fac. Sci. Assiut Univ.
Research Member
Amer Ibrahim Tawfik
Research Pages
1-18
Research Publisher
Assiut University, Faculty of Science
Research Rank
2
Research Vol
26 (1-E)
Research Year
1997

The effect of gregarization or solitarization on pheromone production and haemolymph ecdysteroids in adult Schistocerca gregaria.

Research Authors
- Tawfik, A. I.
Research Department
Zoology & Entomology Department
Research Journal
J. Egypt. Ger. Soc. Zool.,
Research Member
Amer Ibrahim Tawfik
Research Pages
77-91
Research Rank
2
Research Vol
33
Research Year
1997

Effects of juvenile hormone treatment on phase changes and pheromone production in the desert locust, Schistocerca gregaria.

Research Authors
Tawfik, A. I., Osir, E., Hassanali, A. and Ismail, S.
Research Department
Zoology & Entomology Department
Research Journal
J. Insect Physiol.
Research Member
Amer Ibrahim Tawfik
Research Pages
1177-1182
Research Publisher
Elsevier
Research Rank
1
Research Vol
48
Research Year
1997
Subscribe to