نتایج جستجو برای: width ratios
تعداد نتایج: 187481 فیلتر نتایج به سال:
In this study, we have investigated the two-body hadronic decay of charged kaon, $ K^{+}\rightarrow\pi^{+}+\pi^{0} $, in presence a laser field with circular polarization. We derived, by analytical techniques, laser-assisted width and branching ratio kaon via channel. also taken into consideration impressive results obtained for leptonic mode order to understand more clearly effect on quantitie...
an attempt was made to develop a method for sizing stable riprap around bridge piers based on a huge amount of experimental data, which is available in the literature. all available experimental data for circular as well as round-nose-and-tail rectangular piers were collected. the data for rectangular piers, with different aspect ratios, aligned with the flow or skewed at different angles to th...
Optical spectroscopic observations of GX 339-4 were carried out between 1998 May (X-ray high state) and 1999 May (X-ray low state) over 7 epochs. The equivalent width of Hα increased during the high state then decreased during the low state. The equivalent width of HeII λ4686 decreased over both states. The full-width half-maximum of Hα, Hβ, HeII λ4686 and the Bowen blend increased from 1998 to...
We report on the observation of B → D∗π+π−π−πo decays. The branching ratios for D∗+ and D are (1.72±0.14±0.24)% and (1.80±0.24±0.25)%, respectively. Each final state has a Dωπ component, with branching ratios (0.29±0.03±0.04)% and (0.45±0.10±0.07)% for the D∗+ and D modes, respectively. We also observe B → Dωπ decays. The branching ratios for D+ and D are (0.28±0.05±0.03)% and (0.41±0.07±0.04)%...
We present a new approach to the measurement of stable isotopic ratios of carbon dioxide using a near room temperature pulsed quantum cascade laser and a spectral ratio method based upon dual multiple pass absorption cells. The spectral ratio method improves precision and accuracy by reducing sensitivity to variations in the laser tuning rate, power and line width. The laser is scanned across t...
BACKGROUND The purpose of this study was to evaluate changes in nasal growth after the implementation of a preoperative nasal retainer in patients with bilateral incomplete cleft lip. METHODS Twenty-six infants with bilateral incomplete cleft lip and cleft palate were included in the study. A preoperative nasal retainer was applied in 5 patients from the time of birth to 2.6-3.5 months before...
Mature peach leaves are typically about 4 x 16 cm, with a width/length ratio of about 25%. A narrow leaf seedling, selected by Wayne Sherman (Univ. of Florida, Gainesville), was hybridized at USDA-Byron with adapted commercial varieties. Early generation hybrids produced small, irregular-shaped fruit. After 5 generations, current selections are approaching commercial fruit standards in size, co...
BACKGROUND There does not exist a comprehensive parameter for guiding selection of short or long segment fusion for degenerative lumbar scoliosis (DLS). The aim of our study was to investigate the applications of the width-to-length ratio in guiding selection of the surgical approaches for DLS. METHODS A retrospective analysis was performed of 142 patients with DLS who underwent operative tre...
Background It has been argued that human ancestors evolved greater sensitivity to certain traits signal dominance in poten-tial leaders. From this perspective, modern voters still favor physical characteristics during political elections. Indeed, previous studies have shown prefer dominant candidates, especially when primed with wartime scenarios, and conservative being more likely choose a lea...
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