نتایج جستجو برای: ixora brachiata
تعداد نتایج: 259 فیلتر نتایج به سال:
BACKGROUND Ixora coccinea Linn (Rubiaceae) is an evergreen shrub with bright scarlet colored flowers found in several tropical and subtropical countries. It is used as an ornamental and medicinal plant. Phytochemical studies revealed that its major special metabolites are triterpene acids, such as ursolic and oleanolic acid. OBJECTIVE To evaluate the isolation of ursolic acid (UA) (1) from me...
• The need to model rare events of univariate time series has led to many recent advances in theory and methods. In this paper, we review telegraphically the literature on extremes of dependent time series and list some remaining challenges. Key-Words: • Bayesian statistics; Box–Cox transformation; clustering; dependence; extremal index; extremogram; generalized extreme-value distribution; gene...
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