Adopting a hemispheric perspective, this essay problematizes the construct of latinidad by foregrounding how it reproduces Black erasure. I argue that “Latin America,” rather than being geographical designator, is an imagined community Eurocentric to degree its conceptual boundaries exclude African diaspora spaces. then turn understandings whiteness across borders, contrasting perceptions racia...

This article focuses on the hierarchies inherent in Swedish version of whiteness and shows how these hierarchical structures are challenged by subjects placed within category white. Passing as white is often presumed to be something sought after. The aim this however empirically explore other side coin, that is, negative experiences undesired effects passing With theoretical inspiration drawn f...

genetic variation is necessary factor for continued breeding and increasing genetic gain from selection in crop plants. to evaluate genetic variation and genetic gain from selection in bread wheat, 45 genotypes consisting of 9 cultivars and their 36 crosses were grown in a randomized complete block design with three replications in research farm of isfahan university of technology. the phenotyp...

the purpose of this study was to determ the degree, level and capacity indices of agricultural mechanization in sarab region (n: 37º45', e: 47º30') in eastern azarbayjan province, comprising about 65,164 hectares of farming land. the number of tractors, types of machines, and degree, level, and capacity of mechanization were calculated as the method of study. data showed that the average level ...

We analyse the ionization state of the magnetohydrodynamically turbulent protoplanetary disks and propose a new mechanism of sustaining ionization. First, we show that in the quasi-steady state of turbulence driven by magnetorotational instability in a typical protoplanetary disk with dust grains the amount of energy dissipation should be sufficient for providing the ionization energy that is r...

We study alignment of grains by radiative torques. We found a steep rise in radiative torque efficiency as grain size increases. This allows the larger grains that are known to exist within molecular clouds to be aligned by the attenuated and reddened interstellar radiation field. In particular, we found that, even deep inside giant molecular clouds, e.g., at optical depths corresponding to AV ...

An ultrafine/nano grained AZ31 magnesium alloy was produced through four-pass ECAP processing. TEM microscopy indicated that recrystallized regions included nano grains of 75 nm. Pole figures showed that a fiber basal texture with two-pole peaks was developed after four passes, where a basal pole peak lies parallel to the extrusion direction (ED) and the other ~20° away from the transverse dire...

Fifty two genotypes were evaluated to find out the genetic variability, character association, and path coefficient for reproductive traits of exotic rice germplasm in experimental field of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur during December 2008 to May 2009. The analysis of variance showed significant variation for all the characters indicating wide geneti...

We investigate dust dynamics and evolution during the formation of a protostellar accretion disk around intermediate mass stars via 2D numerical simulations. Using three different detailed dust models, compact spherical particles, fractal BPCA grains, and BCCA grains, we find that even during the early collapse and the first ∼ 10 yr of dynamical disk evolution, the initial dust size distributio...

We have performed in situ synchrotron X-ray diffraction experiments to assess the influence of aluminium and phosphorus on the austenite stability in low-alloyed transformation-induced plasticity steels during the high-temperature bainitic holding and the subsequent martensitic transformation during cooling to temperatures between room temperature and 100 K. Although the addition of aluminium i...