Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Salwa A.M. Abdel-Hameed"'
Autor:
Salwa A.M. Abdel-Hameed, Samia A. Ahmed, Faten A. Mostafa, Ola. N. Almasarawi, Walaa A. Abdel Wahab
Publikováno v:
Heliyon, Vol 8, Iss 7, Pp e09960- (2022)
Bacterial α-amylase was immobilized on sugilite from modified basalt rock as a new carrier. A set of glass compositions based on sugilite formula KNa2M2Li3Si12O30 (M = Al or Mn or Fe) were prepared. The glasses were prepared through melting–quench
Externí odkaz:
https://doaj.org/article/66b45e48f036410183b733728d11d529
Publikováno v:
Heliyon, Vol 5, Iss 5, Pp e01674- (2019)
Bacillus megaterium 314 strain was able to utilize agricultural and industrial wastes for metallo-protease production. Orange peel and wheat bran were found as the most suitable carbon and nitrogen sources, respectively. Optimized production process
Externí odkaz:
https://doaj.org/article/93719dba969e45ac8af391c37d95a5ad
Publikováno v:
Journal of Advanced Research, Vol 5, Iss 5, Pp 543-550 (2014)
This work pointed out the effect of adding P2O5 and/or MnO2 on the crystallization behavior of magnetic glass ceramic in the system Fe2O3·ZnO·CaO·SiO2·B2O3. The differential thermal analysis of the quenched samples revealed decrease in the therma
Externí odkaz:
https://doaj.org/article/cfd26fe7db18402696cf6293fb1eafeb
Publikováno v:
Journal of Advanced Research, Vol 3, Iss 2, Pp 167-175 (2012)
This work pointed out the preparation of a magnetic glass–ceramic in the system Fe2O3·ZnO·CaO·SiO2. The base composition was designed to crystallize about 60% magnetite. The influence of adding TiO2, Na2O and P2O5 separately or as mixtures was s
Externí odkaz:
https://doaj.org/article/1cd2bbec1c464ebaa777db820ea2556a
Publikováno v:
Journal of Non-Crystalline Solids. 510:71-80
Heavy metal glass samples of the system x(2Bi2O3.MnO).(10-x)B2O3 with different compositions were prepared via the conventional method. Differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) were utilized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7654f5105d2328912c017c1f68a1df6d
https://doi.org/10.1016/j.jnoncrysol.2019.01.010
https://doi.org/10.1016/j.jnoncrysol.2019.01.010
Publikováno v:
Heliyon, Vol 5, Iss 5, Pp e01674-(2019)
Heliyon
Heliyon
Bacillus megaterium 314 strain was able to utilize agricultural and industrial wastes for metallo-protease production. Orange peel and wheat bran were found as the most suitable carbon and nitrogen sources, respectively. Optimized production process
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::307727e44230b7449ea4355fe1b06beb
http://www.sciencedirect.com/science/article/pii/S2405844018380599
http://www.sciencedirect.com/science/article/pii/S2405844018380599
Publikováno v:
Journal of Materials Science: Materials in Electronics. 28:4351-4361
Glass ceramics in the system 35CuO·(35 − X)MnO·XBi2O3·30SiO2 (mol%), (X = 0–20), were prepared via melting quenching technique. The effect of replacing MnO by Bi2O3 on the crystallization behavior and electrical properties was studied. XRD res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c0090c93e7c09a5e88715913ac86671
https://doi.org/10.1007/s10854-016-6061-5
https://doi.org/10.1007/s10854-016-6061-5
Publikováno v:
Zeitschrift für Physikalische Chemie. 230:1519-1530
In this study, nanoscale crednerite (CuMnO2) was prepared in the system xCuO–(70–x)MnO–30SiO2 , where x has values 10, 15, 20, 25 and 30, via melting quenching glass-ceramic technique. The electrocatalytic activity of the oxygen evolution react
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e745caa5a575fec86717863810382cc0
https://doi.org/10.1515/zpch-2015-0627
https://doi.org/10.1515/zpch-2015-0627
Publikováno v:
Journal of Alloys and Compounds. 832:154943
Preparation of LiTi2(PO4)3 (NASICON-type) glass ceramic from LiF.(2-x)TiO2.xB2O3.1.5P2O5 system were achieved via melt-quenching technique. The effect of gradual replacement of Ti4+ ions with B3+ ions was investigated. The prepared samples were chara
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa1f51bfd51dcf58e1a3ebe4a7e8dcac
https://doi.org/10.1016/j.jallcom.2020.154943
https://doi.org/10.1016/j.jallcom.2020.154943
Publikováno v:
Optik. 206:164374
Fabrication and crystallization behavior of glasses in the system ZnO.B2O3.SiO2.Al2O3 were studied via melt–quenching method; ZnO/SiO2 ratio was changed from 5.4 to 1.4. Heat treatments, according to Differential Scanning Calorimetric (DSC) beside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::610f58aa62be0c289d18f2e606fb3f99
https://doi.org/10.1016/j.ijleo.2020.164374
https://doi.org/10.1016/j.ijleo.2020.164374