Introduction Conclusions References Tables Figures Back Close Abstract Introduction Conclusions References Tables Figures Back Close Abstract The urban boundary layer (UBL), in comparison with " rural " homogeneous atmospheric boundary layers, is characterised by greatly enhanced mixing, resulting from both the large surface roughness and increased surface heating, and by horizontal heterogene-...

Several apparent violations of transitivity have been reported in the literature on decision making. However, these effects have been shown to be compatible with random preference models, in which preferences are transitive at each point in time but vary at random over time. Such models imply that choice proportions will conform to a set of conditions called the triangle inequalities, and no cl...

India’s linguistic diversity is reflected in classrooms across the country, where multiple languages are used by teachers and learners to negotiate meaning instruction – a multilingual, multicultural student body norm, whether urban or rural contexts. This study documents teaching practices English language maths lessons Delhi Hyderabad, with specific focus on use. The findings from 104 classro...

gas mixing in a t-shape micro mixer has been simulated using the direct simulation monte carlo (dsmc) method. it is considered that the adequate mixing occurs when the mass composition of the species, co or n2, deviates below 1 % from their equilibrium composition. the mixing coefficient is defined as the ratio of the mixing length to the main channel’s height. as the inlet kn increases, while ...

Since the Transitivity Hypothesis was introduced thirty four years ago, it has become one of the most influential approaches to the functioning of transitivity in natural language. Despite the huge impact of the approach, at least within functional linguistics, some fundamental theoretical and methodological problems still remain unsolved; this seriously undermines the entire approach. The aim ...

It is possible to formulate the polynomial Szemerédi theorem as follows: Let qi(x) ∈ Q[x] with qi(Z) ⊂ Z, 1 ≤ i ≤ k. If E ⊂ N has positive upper density then there are a, n ∈ N such that {a, a+q1(n)−q1(0), a+qk(n)−qk(0)} ⊂ E. Using methods of abstract ergodic theory, topological algebra in βN, and some recently-obtained knowledge concerning the relationship between translations on nilmanifolds ...

The influence of dose rate, i.e., ion flux, on ion beam mixing in Nb-Si bilayer samples was measured at room temperature and 325 °C. At the higher temperature, an increase in dose rate of a factor of 20 caused a decrease in the thickness of the mixed layer by a factor of 1.6 for equal total doses. At room temperature, the same change in flux had no effect on mixing. These results are consistent...