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 ...

even though, to date, a lot of studies have been conducted on the subject of politeness theory, there are very few studies regarding the applicability of this theory to translation between english and persian which shows the reason behind conducting the present study. this study was carried out with the aim of highlighting whether there is any difference between english and persian methods of u...

within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...

seismic retrofit strategies have been developed in the past few decades following the introduction of new seismic provisions and the availability of advanced materials and methods. it can be observed that new approaches to deal with more lateral forces are more innovative and more energy absorbent. in line with this, there is a growing trend toward the use of steel shear walls as a system with ...

this research is a study on indicators of listening instruction in iranian english as a foreign language (efl) curriculum at guidance school and high school educational levels. this thesis aims at determining: a) the indicators of listening instruction at guidance school and high school efl curriculum. b) the indicators of listening instruction in irans guidance school and high school efl curri...

‏‎translation as a comunicative process is always said to be associated with various aspects of meaning loss or gain. subtitling as a mode of translating, due to special discoursal and textual conditions imposed upon it, is believed to be an obvious case of this loss or gain. presenting the spoken sound track of a film in writing and synchronizing the perception of this text by the viewers with...

فرض کنید ‎ a ‎ و ‎ b ‎، ‎-c^*جبر باشند و ‎ x ‎ یک باناخ a-دومدول اساسی باشد و همچنین t:a→b ‎ و ‎ s:a→x ‎ نگاشت های خطی پیوسته باشند که ‎ t ‎ پوشا است. اگر برای هر ‎ a,b∈a a ‎ که ‎ ab=ba=0 ‎ داشته باشیم ‎t(a)t(b)+t(b)t(a)=0,‎ ‎s(a)b+bs(a)+as(b)+s(b)a=0‎ مطالعه می کنیم که ‎ t=ωφ ‎ و ‎ s=d+? ‎ هستند که ‎ w ‎ در مرکز جبر ضربگر ‎ b ‎ قرار دارد و ‎ ∅:a→b ‎ بروریختی جردن می باشد و ‎ d:a→x ‎ مشتق ...