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Now showing items 4006-4025 of 10123
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Radiation measurements in soil in the middle of Gaza-Strip using different type of detectors
(الجامعة الإسلامية - غزة, 2007)Radon Alpha particles and its daughter products dangers effect to human health is the main motivation behind several studies of measuring radiation in environment including the soil and building material. We measured the ... -
Radiation Measurements in Soil of Der-Albalah in the Middle of Gaza-Strip Using Nuclear Track Detector CR-39
The dangers of radon α activity and its daughters products on human health is the main motivation behind several studies of measuring radiation in environment including the soil and building material. Alpha particle radiation ... -
Radiation Measurements in Soil of Nusirate in the middle of Gaza-Strip Using Nuclear Track Detector CR-39 and Electra Plus
(2006)Because of the hazards of radon activity and its daughter products to human health, several studies were conducted to measure radiation in environment including soil and building materials. Alpha particles radiation contents ... -
Radio over fiber access network architecture employing RSOA with downstream OQPSK and upstream re-modulated OOK data
(Urban & Fischer, 2012)We have demonstrated a bidirectional reflective semiconductor optical amplifier (RSOA) based on wavelength division multiplexing ROF network utilizing an offset quadrature differential phase shift keying (OQPSK) signal for ... -
Radioactivity measurements in tap water in Gaza Strip (Al-Naser Area)
(Taylor#Francis, 2012)Ionizing radiation comes from outer space (cosmic), the ground (terrestrial), and even from within our own bodies. It is present in the air we breathe, the food we eat, the water we drink, and in the construction materials ... -
Radon Exhalation Rate from Destroyed Building Materials in Gaza, Palestine
(الجامعة الإسلامية - غزة, 2016)Indoor radon has been recognized as one of the health hazards for mankind because long-term exposure to radon increases the risk of developing lung cancer. This study aims at assessing the contribution of destroyed building ... -
Rainfall Data in Gaza Strip
(31/12/2012)Rainfall data report issued by the Palestinian Water Authority in the Gaza Strip -
rainwater harvesting usage for agriculture and domestic in gaza governorate
(الجامعة الإسلامية - غزة, 2017) -
RANTES gene polymorphism in polymyalgia rheumatica, giant cell arteritis and rheumatoid arthritis
(CLINICAL AND EXPERIMENTAL RHEUMATOLOGY SAS, 2000)Please address correspondence and reprint requests to: Dr. A. Hajeer, ARC Epidemiology Unit, University of Manchester, Manchester M13 9PT, UK. E-mail: ali. hajeer@ man. ac. uk© Copyright CLINICAL AND EXPERIMENTAL RHEUMATOLOGY ... -
Rationality and irrationality of Max Weber’s bureaucracies
(2011)Abstract Beginning with Max Weber, bureaucracies have been regarded as mechanisms that rationalize authority and decisionmaking in society. Yet subsequent theorists have questioned the rationality of bureaucracies. The ... -
Re-Evaluation and Re-Design Stand-Alone PV Solar Lighting Projects in Gaza Strip, Palestine
(the islamic university, 2010)Recently, with the critical situation of siege on Gaza Strip, the need of an alternative energy source instead of traditional energy sources becomes an urgent need, especially Palestine is considered one of the sunny ... -
REACTION OF ARYL- AND HETEROARYL BENZOYL- AND ACETYLHYDRAZONES WITH PHENYLISOCYANATE SYNTHESIS OF SUBSTITUTED-2,3-DIHYDRO-1,3,4- OXADIAZOLES
(الجامعة الإسلامية - غزة, 2006)Aryl benzoylhydrazones (1a-c) react readily with phenylisocyanate (2) at room temperature to give the corresponding substituted 2,3-dihydro-1,3,4-oxadiazoles (3a-c). On the other hand, the reaction of benzoylhydrazones of ... -
Reaction of aryl-and heteroaryl benzoyl-and acetylhydrazones with phenylisocyanate synthesis of substituted-2, 3-dihydro-1, 3, 4-oxadiazoles
(2016)Aryl benzoylhydrazones (1a-c) react readily with phenylisocyanate (2) at room temperature to give the corresponding substituted 2, 3-dihydro-1, 3, 4-oxadiazoles (3a-c). On the other hand, the reaction of benzoylhydrazones ... -
Reaction of C-aroyl-N-aryl nitrilimines with selected aliphatic keto-hydrazones and keto-methylhydrazones
(Asian Journal of Chemistry, 2002)C-Benzoyl-and C-2-naphthoyl nitrilimines (2) react with methylhydrazones of aliphatic ketones (3, R1= CH3) to afford the cyclocondensation products 1, 2, 4, 5-tetrazines (4, 5). The reaction of simple hydrazones (3, R1= ... -
Reaction of Hydrazide Hydrazone Derivitives with Aldehydes and Acetic Anhydride
(الجامعة الإسلامية - غزة, 2013)A series of N-acylhydrazone derivatives was synthesized via condensation of either, nicotinic, isonicotinic or cyanoacetic acid hydrazides with acetone and cyclohexanone. The reaction of the synthesized N-acylhydrazone ... -
Reaction of nitrilimines and nitrile oxides with hydrazines, hydrazones and oximes
(Molecular Diversity Preservation International, 2005)This review article discusses the reaction of nitrilimines and nitrile oxides with hydrazines, hydrazones, and oximes. Three reaction modes were observed. The article mainly covers our work published over the last fifteen ... -
Reaction of Nitrilimines with 2-Aminopicoline, 3-Amino-1,2,4-Triazole, 5-Aminotetrazole and 2-Aminopyrimidine
(Scientific Research Publishing, Inc,, 2014)The reaction of picoline derivatives 3-6 with hydrazonoylhalide 1a produced imidazo[1,2-a]pyridines 7-10, while the reaction of the same picoline derivatives with hydrazonoylhalide 1b afforded imidazo[1,2-a]pyridine-2-ones ... -
Reaction of Nitrilimines with 2-Aminopyridine, 2-Aminopyrimidine and 2-Aminotriazine Derivatives
(the islamic university, 2012)Reaction of hydrazonoyl chlorides 18a,b with picolines derivatives 86-89 The reaction of hydrazonoyl chloride 18a with picoline derivaties 86-89 in the presence of triethylamine gave the corresponding imidazo[1,2-a]pyridine ...