نتایج جستجو برای: b ratio
تعداد نتایج: 1352626 فیلتر نتایج به سال:
Density ratio estimation has gathered a great deal of attention recently since it can be used for various data processing tasks. In this paper, we consider three methods of density ratio estimation: (A) the numerator and denominator densities are separately estimated and then the ratio of the estimated densities is computed, (B) a logistic regression classifier discriminating denominator sample...
We compute the decay rate for the Cabibbo-Kobayashi-Maskawa (CKM)-suppressed electromagnetic penguin decay B → Xd + γ (and its charge conjugate) in the next-to-leading order in QCD, including leading power corrections in 1/mb and 1/m 2 c in the standard model. The average branching ratio 〈B(B → Xd + γ)〉 of the decay B → Xd + γ and its charge conjugate B → Xd + γ is estimated to be in the range ...
in this work, new biodegradable abcba type pentablock copolymers with different mole ratio of l-lactide and ppdo-b-peg-b-ppdo triblock copolymer were synthesized and characterized. in the first step, ppdo-b-peg-b-ppdo triblock copolymer was synthesized via a ring-opening polymerization of p-dioxanone (pdo) monomer with poly (ethylene glycol) (peg) using stannous octoate (sn(oct)2) as the cataly...
Introduction & Aim: The aim the present study is to examine the effects of Boswellia serrata Triana & Planch on (immune response) performance and carcass characteristic in broiler chicks. Experimental: In this study, 360 one day old chicks (Ross 308) were allocated to six treatments with four replicates in a completely randomized design for a six week period. Treatments consisted of ...
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