نتایج جستجو برای: B Ratio

تعداد نتایج: 1352626  

Journal: :medical journal of islamic republic of iran 0
kobra z entezami iran university of medical sciences, shahid hemmat expressway,tehran,iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) arezo khosravi iran university of medical sciences, shahid hemmat expressway,tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) tahereh mousavi iran university of medical sciences, shahid hemmat expressway ,tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) mohammad ali bahar iran university of medical sciences, shahid hemmat expressway,tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

abstractbackgroundcontributes substantially to patient morbidity and mortality.in this study we investigatedthe range and distribution of t-lymphocyte. subsets cd3helper/inducer cell,.th ), cd8: severe immunosuppression occurs after large thermal burn and probably+ (t cells) cd4+ (t+ (t suppressor /cytotoxic cells ,ts/c), cd3+cd4thermal injury.+/cd3+cd8+ ratio, cd19+ (b cells) and cd16+ (nk cel...

1997
Michael Gronau Jonathan L. Rosner

The ratio of partial decay rates for charged and neutral B mesons to Kπ final states provides information on the weak phase γ ≡ Arg(V ∗ ub) when augmented with information on the CP-violating asymmetry in the Kπ mode. The statistical requirements for a useful determination of γ and certain systematic uncertainties are examined in the light of present information about the decays B → Kπ, B → Kπ,...

1998
Changhao Jin

We calculate the inclusive charmless semileptonic decay width of the B meson using a QCD-based approach. This approach is able to account for both dynamic and kinematic effects of nonperturbative QCD. The charmless semileptonic decay width is found to be enhanced by long-distance strong interactions by +(7± 5)% with respect to the free quark decay width. Using the resulting theoretical value fo...

E. Shoja H. Alielahi,

In this study, the seismic interaction of surface foundations and underground cavities was investigated. For this purpose, a parametric study of geometric dimensions of the foundation and cavity, their location, and the effect of the interaction between surface foundations and underground cavities was evaluated. The variable parameters include the ratio of the overburden height to the foundatio...

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