Results 1 to 10 of about 147,336 (255)

RESPONSE OF TWO MAIZE (Zea mays L.) GENOTYPES FOR SOME WATER STRESS AND NITROGEN FERTILIZATION TREATMENTS [PDF]

open access: yesFayoum Journal of Agricultural Research and Development, 2009
Two field experiments were conducted during 2006 and 2007successive seasons at the experimental Farm of Fayoum Fac. of Agric.,to quantify the single and combined effects of different irrigationintervals (10, 15 and 20 days) and rates of nitrogen ...
S.K.A. Ismail   +2 more
doaj   +1 more source

40Ar/39Ar geochronology of Burdigalian paleobotanical localities in the central Paratethys (south Slovakia)

open access: yesGeologica Acta, 2021
The Lipovany and Mučín paleobotanical localities contain important floral associations within the tuff horizons, which were used for determination of subtropical to tropical climatic conditions during the Early Miocene.
Katarína Šarinová   +8 more
doaj   +1 more source

PRODUCTIVITY OF SOME GEMMEIZA WHEAT CULTIVARS UNDER DIFFERENT SOWING DATES AND N FIRTILIZATION LEVELS [PDF]

open access: yesJournal of Plant Production, 2006
Two field experiments were carried out in Belcas, Dakhalia Governorate, Northern Delta, Egypt, during to winter seasons 2002/2003 and 2003/2004. The study included three factors, viz., Gemmeiza (Gmz) cultivars (Gmz 3, Gmz 7 and Gmz 9), three sowing ...
Saiwa Soliman
doaj   +1 more source

Direct dating of overprinting fluid systems in the Martabe epithermal gold deposit using highly retentive alunite [PDF]

open access: yesGeochronology, 2023
The Martabe gold deposits in Sumatra formed in a shallow crustal epithermal environment associated with intermediate mafic intrusions adjacent to an active right-lateral wrench system. Gas/fluid temperatures reached 200–350 ∘C.
J. Muston   +5 more
doaj   +1 more source

EFFECT OF TRANSPLANTING DATES ON PRODUCTIVITY OF SOME SUGAR BEET VARIETIES IN THE NEWLY RECLAIMED LANDS UNDER SINAI CONDITIONS [PDF]

open access: yesJournal of Plant Production, 2009
Two field experiments were conducted in 2003\2004 and 2004\2005 seasons in Gelbana village, El-Kantra Shark, Sinai to study the effect of transplants dates, namely 15, 25 and 35 days from sowing nursery compared with direct seeding (control) on ...
M. Yousef
doaj   +1 more source

Noble gas and neuroprotection: From bench to bedside

open access: yesFrontiers in Pharmacology, 2022
In recent years, inert gases such as helium, argon, and xenon have gained considerable attention for their medical value. Noble gases present an intriguing scientific paradox: although extremely chemically inert, they display a remarkable spectrum of ...
Haiying Yin   +4 more
doaj   +1 more source

Analysis of argon isotope separation by low temperature adsorption [PDF]

open access: yesMATEC Web of Conferences, 2020
In this work, the estimated calculated values of the critical parameters of argon isotopes 36Ar, 38Ar, 40Ar and the corresponding values of the constants of the Van der Waals, Redlich-Kwong and Peng-Robinson equations of state are obtained.
Bondarenko Vitaly L.   +2 more
doaj   +1 more source

Influence of the Gas Reaction Atmosphere on the Structure, Phase Composition, Functional Properties and Cytocompatibility of Porous Titanium–Nickel Alloys

open access: yesMetals, 2022
This work studies the effect that argon and nitrogen atmospheres have on the structure, phase composition, cytocompatibility, and functional properties of porous NiTi alloys obtained by self-propagating high-temperature synthesis.
Ekaterina Marchenko   +2 more
doaj   +1 more source

Water Modification by Cold Plasma Jet with Respect to Physical and Chemical Properties

open access: yesApplied Sciences, 2022
This work is devoted to unbuffered and buffered water treatment by means of atmospheric pressure cold plasma of electrical discharges. The interest in the activation of these two liquids by plasma-induced, gaseous-phase chemistry ranges over a wide area ...
Panagiotis Svarnas   +10 more
doaj   +1 more source

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