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fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...
BACKGROUND AND PURPOSE The surgical outcomes of adult moyamoya disease are rarely reported. We aimed to evaluate the long-term outcomes of combined revascularization surgery in patients with adult moyamoya disease. METHODS Combined revascularization surgery consisting of superficial temporal artery-middle cerebral artery anastomosis with encephalodurogaleosynangiosis was performed on 77 hemis...
The results of the updated and quality-checked data base of field observations on chlorophyll a (Chl a) collected in the period 1970–2007 in the Northern Adriatic Sea are presented. From the last decade, SeaWiFS satellite information was also considered. Results demonstrate a global tendency towards Chl a reduction in the period of investigation, which is more marked in the eutrophic area under...
the ecological footprint is a useful tool that we can use it to inform the public about the pressure on ecology and the environment. also, by measuring it, policymakers can design and implement the necessary programs to help reduce that pressure. in order to measure the potential impact of future activities and policies of development programs on the environment, it is necessary to study the sh...
The accurate estimation of gross primary production (GPP) is crucial to understanding plant carbon sequestration and grasping the quality ecological environment. Nevertheless, due inconsistencies current GPP products, variations, trends short-term predictions have not been sufficiently well studied. In this study, we explore spatiotemporal variability its associated climatic anthropogenic facto...
a professional is someone whose work involves performing a certain function with some degree of expertise. but a narrower definition limits the term to apply to people such as teachers and doctors, whose expertise involves not only skill and knowledge but also the exercise of highly sophisticated judgment, and whose accreditation necessitates extensive study, often university-based as well as p...
میزان نشو و نما و قدرت باروری شبپره ی مدیترانه ای آرد 2) جوانه ی ) ،(fb) ( رژیم غذ ایی تهیه شده از ( 1) آرد گندم + سبوس گندم ( 75 درصد و 25 درصد 3) جوانه ی گندم + ) ،(myg) ( گندم + مخمر نان + گلیسرول به نسبت ( 10 به 1 به 2 وزن به وزن 4) سبوس گندم + مخمر نان + گلی سرول ( 20 به 1 به 2 ) ،(my) ( مخمر نان ( 10 به 1 وزن به وزن و ( 5) سبوس گندم + مخمر نان + گلیسرول + آب ( 100 به 5 به 10 به 5 وزن ...
Patient demand and expectations for plastic surgery have significantly increased over recent decades, leading to an increasing trend in claims. This—arguably, the result of a progressive lack of communication between surgeons and patients—becomes apparent in inadequate informed consent , as previously highlighted by Patel et al. 1 Surgeons have the moral and legal obligation to adequately clari...
boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...
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