نتایج جستجو برای: n and p
تعداد نتایج: 17103262 فیلتر نتایج به سال:
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We develop in this paper some methods for studying the implicitization problem for a rational map φ : Pn 99K (P1)n+1 defining a hypersurface in (P1)n+1, based on computing the determinant of a graded strand of a Koszul complex. We show that the classical study of Macaulay Resultants and Koszul complexes coincides, in this case, with the approach of approximation complexes and we study and give ...
با توجه به وجود روابط متقابل (روابط پارازیتی، پارازیتوئیدی، هم سفری و هم یاری) بین کنه های heterostigmatina و سخت بالپوشان، تاثیر این کنه ها در انتقال برخی پاتوژنهای گیاهی و همچنین اهمیت این کنه ها در مطالعات تکاملی و روابط فیلوژنتیک به ویژه از نظر تکامل متقابل آن ها با حشرات میزبان، تحقیق حاضر در قالب مطالعه کنه های هترو استیگمای مرتبط با سخت بالپوشان و تعیین برخی پارامترهای اکولوژیک آن ها در ...
Diastereoselective formal synthesis of a monoterpene alkaloid, (-)-incarvilline, the key intermediate for the synthesis of (-)-incarvillateine, was achieved by using an intramolecular Pauson-Khand reaction of (S)-N-[(E)-2-butenyl]-N-(3-butynyl-2-methoxymethoxy)-p-toluenesulfonamide as a key step.
hedging is a multi-purpose rhetorical strategy which is usually used in scientific arguments to secure ratification of claims, reduce the risk of negation, avoid conflict, manage disagreement and leave room for the audience to assess presented information. hedges are frequently used in research articles to mitigate the findings of research endeavors. the present research aims to investigate the...
the main purpose of the present study was to investigate the relationship between listening proficiency and metacognitive listening strategies awareness among low, mid, and highly self-regulated students. three hundred and seventy one efl students participated in this study (all grade 3 and 4 high-school students who were studying in khansar in academic year 1391-92). to gather the data, three ...
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