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abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...
Ghar-e-Dagh (Nitraria schoberi) is a native perennial plant profoundly resistant to salinity and drought. This plant, having a well-developed deep rooting system can act as sand dunes stabilization agent and also, due to its special alkaloids may perform a very significant role in pharmaceutical industries. Considering the importance of genetic engineering as a novel method to generate...
Introduction: With expansion of industrial life and increasing complexity of psychological and social phenomena, anxiety has become a part of human life. Therefore, this study aimed at investigating the effect of Milk - Dodder on anxiety components. Methods: 40 people referred to traditional medicine centers were intervened for one month and multi-system anxiety questionnaire was performed as ...
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Purpose: This study aimed to assess the impact of COVID-19 pandemic on attendance and treatments performed in a paediatric dental clinic.
 Materials & Methods: A retrospective was conducted using records pediatric patients treated two periods: before (15 March 2019–14 2020) during 2020–14 2021). Data regarding patients’ age, sex administered treatment were collected analyzed. The appli...
the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...
a simple method has been developed for the preconcentration of copper(ii) based on the adsorption of its modified nano polyacrylonitrile fiber. modified nano polyacrylonitrile fiber (panf) was prepared by adding of acrylic fibers to msethanolamine (mma) with different concentration solutions. the stability of a chemically modified nano polyacrylonitrile fiber especially in concentrated hydrochl...
Background and Aims: Preeclampsia is one of the causes of maternal mortality whose leading cause is still unknown. This study was conducted to investigate the relation between blood group and pre-eclampsia in primipara women. Materials and Methods: This case-control study was performed on 100 pirmipara women in Gonabad city. The samples were assigned, by census, into two groups of case (with p...
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