نتایج جستجو برای: zigzag serpentine channel

تعداد نتایج: 229530  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
W Scott Armbruster

Plant specialization on soils derived from unusual parent materials is an important contributor to regional biodiversity. These stressful substrates include serpentine, gabbro, and other ultramafic rocks rich in heavy metals. The effect of substrate on plant diversity is illustrated by serpentine soils in California: they comprise less than 1% of the surface of the state (1), but serpentine end...

Journal: :Sustainability 2023

The current work presents a novel microfluidic approach, allowing full separation of blood cells. approach relies on using polydimethylsiloxane serpentine microchannel equipped with series electrodes, providing two zones. proposed design exploits the unique configuration channel along inherent difference in dielectric properties three kinds cells to achieve size-based sorting. platelets (PLTs) ...

2007
James A. Tyburczy S. Duffy

The shock equation of state of serpentine has been determined to 150 GPa. Four distinct regions occur along the Hugoniot: a low-pressure phase, a mixed phase region, a high-pressure phase, and a very high pressure phase. The low-pressure phase (LPP) exists under shock pressures to about 40 GPa. This material exhibits shock properties that are partially consistent with those of low pressure serp...

Journal: :Optics express 2012
Sun-Goo Lee Seong-Han Kim Teun-Teun Kim Jae-Eun Kim Hae Yong Park Chul-Sik Kee

The resonant transmission of self-collimated beams through zigzag-box resonators is demonstrated experimentally and numerically. Numerical simulations show that the flat-wavefront and the width of the beam are well maintained after passing through zigzag-box resonators because the up and the down zigzag-sides prevent the beam from spreading out and the wavefront is perfectly reconstructed by th...

Journal: :Plant biology 2014
R Oviedo M Faife-Cabrera A Noa-Monzón J Arroyo A Valiente-Banuet M Verdú

Serpentine soils represent stressful habitats where plants have to cope with heavy metals, moisture limitation and low nutrient availability. We propose that facilitation is an important mechanism structuring plant communities under such stressful conditions. Facilitation has been shown to generate the spatial association of species, forming discrete vegetation patches of phylogenetically dista...

مظهری, سید علی,

Surface soils of Sabzevar zone could be geochemically divided into two groups of serpentine (Se) and non-serpentine (Nse) soils. Serpentine soils have higher MgO, FeOt, CaO, S, Ag, Co, Cr, Cu and Ni and lower SiO2, Al2O3, Na2O, K2O, Be, Li, Sc, Ti, U and V than Nse. In other word, Nse samples have high REE content with fractionated LREE/HREE trends in REE diagrams (ΣREE= 31.89- 58.3 ppm; LaN/Yb...

Journal: :The Journal of the Acoustical Society of America 1993

Journal: :Neurosurgical Focus 2009

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