Zobrazeno 1 - 10
of 15
pro vyhledávání: '"S. F. Ibrahim"'
Publikováno v:
Chinese Journal of Physics. 72:1-17
Solar activity indices differ over the solar disk, and different activity parameters are not considered to be symmetric between the northern and southern solar hemispheres. In the present paper, the daily data of a set of solar parameters (solar radi
Publikováno v:
Egyptian Journal of Chemistry.
In this article we studied the effect of surface modification of polyester (PET) and silk fabrics by their exposure to cold plasma. The cold plasma was carried out using oxygen as a working gas and different plasma device parameters have been studied
Publikováno v:
Egyptian Journal of Chemistry. 60:4-9
Nano-sized TiO2 and ZnO have demonstrated efficiency in many application fields due to their photocatalytic features that provide self cleaning properties to the materials with simple and non-expensive procedures. Recently, nano TiO2 and nano ZnO sta
Publikováno v:
The Astrophysical Journal. 898:73
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 309:012041
Autor:
D. M. Essa, S. F. Ibrahim
Publikováno v:
Egyptian Journal of Chemistry.
Working standard must be stable, thus the material should be tested for stability and homogeneity testing complying ISO standard methods with detailed description of how their features and characteristics facilitate all aspects of good laboratory pra
Publikováno v:
Research Journal of Textile and Apparel. 17:33-40
This paper presents an eco-friendly method for wool fabrics to improve printing characteristics without thermal fixation via a UV/ozone pre-treatment. Such treatment causes surface morphological changes and oxidizes wool fabric surfaces. In this stud
Publikováno v:
Research Journal of Textile and Apparel. 14:59-71
Recently, much attention has been focused on using physical treatments for improving functional properties of polymeric fabrics since they have several useful advantages, such as non toxicity, soil release, improving physical properties and chemical
Publikováno v:
Journal of Applied Polymer Science. 85:1897-1903
The presented research deals with modifying the chemical structure of the cellulosic cotton fabrics by introducing amino groups as new active centers. The properties of the resulting aminated cotton, dimethylaminoethyl (DMAE)-cotton, are evaluated an
Publikováno v:
Andrologia. 44
Liquid nitrogen preservation in remote farms is a limitation. The goal of this study was to determine optimum temperature above freezing point for bovine spermatozoa preservation using bovine serum albumin (BSA) as a supplementation. Pooled semen sam