Zobrazeno 1 - 10
of 16
pro vyhledávání: '"H. M. Helal"'
Publikováno v:
Russian Journal of Electrochemistry. 57:159-171
The influence of corrosion inhibition of some thiazole derivatives, namely: 2-(3,5-dimethyl-4-(p-tolyldiazenyl)-1H-pyrazole-1-yl)thiazol-5(4H)-one, 2-(3,5-dimethyl-4(phenyldiazenyl)-1H-pyrazole-1-yl)thiazol-5(4H)-one, and 2-(4-((4-chlorophenyl)diazen
Publikováno v:
Suez Canal University Medical Journal. 19:17-28
Background: Treatment of Klebsiella pneumoniae (K. pneumoniae) infections has become very difficult especially in the last decades as the levels of antibiotic resistance are becoming increasingly a serious problem throughout the world. Aim: The growi
Publikováno v:
Archiv der Pharmazie. 347(2)
In an attempt to find a new class of antioxidant agents, a series of pyrazole, pyridopyrazoltriazine, pyrazolotriazine, isoxazole, and pyridine-containing products were prepared, starting with curcumin and appropriate chemical reagents. Thus, curcumi
Publikováno v:
Communications in Soil Science and Plant Analysis. 27:1355-1361
Both heavy metal pollution and saline water irrigation are increasing in the dry areas, especially in developing countries. The effects of soil and water salinity on the transfer of heavy metals to crops are, however, not well understood. The uptake
Publikováno v:
Communications in Soil Science and Plant Analysis. 27:1169-1175
The development and turnover of root systems is a dynamic process. Continuous initiation of new roots and the senescence of others occur simultaneously. Dead root skeletons persist in soil, are difficult to identify by visual examination, and throw m
Publikováno v:
Plant and Soil. 123:229-232
Autor:
Andreas Fangmeier, R. Manderscheid, Hans-Jürgen Jäger, L. J. M. van der Eerden, M. S. McLachlan, H. J. Weigel, R. Guderian, C. Nemetz, G. Halbwachs, W. Kronberger, H. G. Paretzke, H. M. Helal, G. H. M. Krause
Publikováno v:
Handbuch der Umweltveränderungen und Ökotoxikologie ISBN: 9783642631085
Unter den verschiedenen in der Troposphare vorkommenden anthropogenen Oxiden des Stickstoffs sind Stickstoffdioxid (NO2) und Stickstoffmonoxid (NO) aufgrund ihrer uberregionalen Verbreitung, ihres Phytotoxizitatsgrades, ihrer trophischen Wirkung im n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::037a8f6660e97472d3d6bb228aab8b82
https://doi.org/10.1007/978-3-642-56413-0_1
https://doi.org/10.1007/978-3-642-56413-0_1
Autor:
H. M. Helal
Publikováno v:
Plant and Soil. 123:161-163
This paper presents results of a comparative study of phosphorus utilization from inositol hexaphosphate by various varieties of Phaseolus vulgaris in relation to the activity and characteristics of their root phosphatases. Bean varieties show signif
Autor:
H. M. Helal, D. R. Sauerbeck
Publikováno v:
Genetic Aspects of Plant Mineral Nutrition ISBN: 9789401074216
Shortage of resources and the environmental problems of intensive agriculture form the economic and ecological background of searching for more nutrient efficient plants. Breeding for nutritional efficiency, however, is still hampered by the lack of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3317d91a001aa61a9bd8a0b38b0c82f8
https://doi.org/10.1007/978-94-009-2053-8_2
https://doi.org/10.1007/978-94-009-2053-8_2
Autor:
H. M. Helal
Publikováno v:
Genetic Aspects of Plant Mineral Nutrition ISBN: 9789401074216
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7984907ac90fa8951c50c83073ede17
https://doi.org/10.1007/978-94-009-2053-8_16
https://doi.org/10.1007/978-94-009-2053-8_16