نتایج جستجو برای: their diameters
تعداد نتایج: 2269290 فیلتر نتایج به سال:
block copolymer nano-micelles are especially important in cancer treatment because of their fine dimensions. in this article, three systems of amphiphilic copolymers with similar lengths and different ratios of the hydrophobic and hydrophilic chains are studied using implicit-solvent coarse-grained molecular dynamics simulations. the factor fphil is defined as the ratio of the number of hydroph...
We report on a compact, ultrahigh-vacuum compatible optical assembly to create large-scale, two-dimensional lattices for use in experiments with ultracold atoms. The consists of an octagon-shaped spacer made from ultra-low-expansion glass, which we optically contact four fused silica cavity mirrors, making it highly mechanically and thermally stable. mirror surfaces are nearly plane-parallel, a...
OBJECTIVES HIV infection is associated with an increased risk of age-related morbidity mediated by immune dysfunction, atherosclerosis and inflammation. Changes in retinal vessel calibre may reflect cumulative structural damage arising from these mechanisms. The relationship of retinal vessel calibre with clinical and demographic characteristics was investigated in a population of HIV-infected ...
One hundred and eighty gestational sac (GS) measurements by ultrasound echography were performed on 132 healthy pregnant women with an accurate gestational age of between five and twelve weeks. Their prenatal courses were uneventful and they delivered of babies appropriate for dates at term. The GS longest diameter in longitudinal section (LGS), the GS longest diameter making perpendicularity t...
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