List of fishes collected by Alphonse Forrer about Mazatlan, with descriptions of two new species—Heros beani and Poecilia butleri
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چکیده
منابع مشابه
acquisition of english determinative descriptions by persian efl learners
abstract since heubners (1985) pioneering study, there have been many studies on (mis) use/ non-use of articles by l2 learners from article-less and article languages. the present study investigated how persian l2 learners of english produce and interpret english definite descriptions and demonstrative descriptions. it was assumed that definite and demonstrative descriptions share the same cen...
detection of volatile compounds of medicinal plants with some nano-sorbents using modified or new methodologies and investigation of antioxidant activity of their methanolic extracts
in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
a comparative analysis of the marginal microleakages of two pit and fissure sealans, conseal-f and conseal clear
چکیده ندارد.
15 صفحه اولon the comparison of keyword and semantic-context methods of learning new vocabulary meaning
the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...
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ژورنال
عنوان ژورنال: Proceedings of the United States National Museum
سال: 1889
ISSN: 0096-3801
DOI: 10.5479/si.00963801.11-719.329