نتایج جستجو برای: forward facing step
تعداد نتایج: 411458 فیلتر نتایج به سال:
Backgrounds and Objectives: Precise air pollutants prediction, as the first step in facing air pollution problem, could provide helpful information for authorities in order to have appropriate actions toward this challenge. Regarding the importance of carbon monoxide (CO) in Tehran atmosphere, this study aims to introduce a suitable model for predicting this pollutant. Materials and Method: W...
A numerical study on the influence of forward-facing cavity length upon forward-facing cavity and opposing jet combined thermal protection system (TPS) cooling efficiency under hypersonic flow is conducted, by means of which the flow field parameters, heat flux distribution along the outer body surface are obtained. The numerical simulation results are validated by experiments and the cooling e...
When humans wish to move sideways, they almost never walk sideways, except for a step or two; they usually turn and walk facing forward. Here, we show that the experimental metabolic cost of walking sideways, per unit distance, is over three times that of forward walking. We explain this high metabolic cost with a simple mathematical model; sideways walking is expensive because it involves repe...
Understanding the causes of diabetes is at the heart of most diabetes research. The field of causal inference has made dramatic advances in methodology that allows for causal inference from observational and not experimental data (1). One such methodological advancement is the use of genetic markers as instrumental variables, or so-called Mendelian randomization (MR) (2). MR relies on the laws ...
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