Zobrazeno 1 - 10
of 16
pro vyhledávání: '"M. I. Nasr"'
Autor:
K. S. Abdel Halim, A. A. El-Geassy, Mohamed Ramadan, M. I. Nasr, A. Hussein, Naglaa Fathy, Abdulaziz S. Alghamdi
Publikováno v:
Metals, Vol 12, Iss 12, p 2182 (2022)
The development of nanomaterials and nanotechnology enables the production of nanosized metallic alloys with advanced characteristics from their oxides via a thermal reduction technique. The aim of the present work was to produce metallic iron, nicke
Externí odkaz:
https://doaj.org/article/9c5c082d6a8349f79eec563d5b96bc26
Autor:
Heba Al-Kelesh, M. I. Nasr
Publikováno v:
Materials Research, Vol 22, Iss 4 (2019)
Representative technological samples for Baharia iron ore are collected from El-Gedida iron ore mines at the western desert of Egypt. Baharia iron ore was fired at 1000ºC for 3 hours, then the green and fired samples was isothermally reduced by diff
Externí odkaz:
https://doaj.org/article/02dc0afd940f46f9a6e6d8928d6eb12d
Autor:
M. Z. S. Ahmed, Naglaa A. Abdallah, A. A. Hemeida, S. Filleur, N. Rashed, M. I. Nasr, A. Agorio
Publikováno v:
Egyptian Journal of Genetics and Cytology. 46:235-252
Egyptian native (nondomesticated) plant species from different families such as Capparis orientalis, Lycium shawii and Zygophyllum album were collected from North Western coast of Marsa Matrouh Governorate, Egypt. Plant vacuolar Na+/H+ antiporter can
Publikováno v:
Journal of Agricultural Chemistry and Biotechnology. 4:1-9
Autor:
M. I. Nasr, M. M. Rashad
Publikováno v:
Electronic Materials Letters. 8:325-329
Nanocrystalline manganese zinc ferrites (Mn X Zn1−XFe2O4) powders with Mn2+ ions ratio (x) varying from 0.3 to 0.9 have synthesized by co-precipitation method. The results show that single Mn X Zn1−XFe2O4 phase forms at annealing temperature 1000
Autor:
Mahmoud El-Sayed Ottai, Awatef M. Badr-Elden, Aida A. Rizkalla, M. I. Nasr, Marwa N. M. Esmail
Publikováno v:
Sugar Tech. 14:312-320
Germplasm can be effectively stored in the form of synthetic seeds that offer several advantages, easy handling, storability, reduced size of propagules, and transportability. Shoot tips obtained from in vitro seedlings cultures of sugar beet (Beta v
Autor:
Y. A. Khidr, M. I. Nasr
Publikováno v:
Egyptian Journal of Genetics and Cytology. 41:1-18
An improved plant regeneration and Agrobacterium-mediated genetic transformation system was established for squash (Cucurbita pepo L.) and cucumber (Cucumis sativus L.). The effect of 2,4-D and kinetin on callus formation, the effect of liquid and so
Publikováno v:
Sugar Tech. 12:53-58
In this study, attempts were made to isolate, fuse and culture the leaves derived protoplasts in vitro from seedling of sugar beet cultivers, viz Francesca and Meghribel. Several combination and concentrations of hydrolytic enzymes for protoplast iso
Publikováno v:
Ironmaking & Steelmaking. 36:379-387
Publikováno v:
Sugar Tech. 10:243-247
The present research work has been carried out to study the response of three genotypes of sugarcane (Saccharum species hybrids) for callus induction, embryogenic callus production and their in vitro salt tolerance.For callus induction and embryogeni