نتایج جستجو برای: re growth
تعداد نتایج: 983331 فیلتر نتایج به سال:
Objective(s) Clinicians have long been searching for ways to obtain "super normal" wound healing. Zinc supplementation improves the healing of open wounds. Honey can improve the wound healing with its antibacterial properties. Giving supplemental zinc to normal rats can increase the wound tensile strength. This work is to study the concurrent effects of zinc and honey in wound healing of norma...
واکنش رفورمینگ از مهمترین واکنشهای صنعتی و از مهمترین فرآیندها برای تولید بنزین با عدد اکتان بالا وآروماتیکها از نفت بشمار میرود.این واکنشهاروی کاتالیستهای دو عاملی)bifunctional(پلاتین روی پایه آلومینا و یاپلاتین و رنیوم روی پایه آلومینا و غیره صورت می گیرد.دوره عملکرد اینگونه کاتالیستها محدود بوده و درحین عمل تحت عواملی نظیر کلوخه شدن)sintering(، مسموم شدن)poisoning(و فولینگ)fouling(فعالیت آنه...
A new method, named "re-growth etching", which introduces a unique etchant "Au(I)", has been developed to fabricate large-sized porous gold nanostructures. The size of nanostructures and the number of pores can be regulated by the molar ratio of Ag and Au in the precursor. We have evaluated their performance by a model reaction of the reduction of 4-nitrophenol. The catalytic property of porous...
The real trees form a class of metric spaces that extends the class of trees with edge lengths by allowing behavior such as infinite total edge length and vertices with infinite branching degree. Aldous’s Brownian continuum random tree, the random tree-like object naturally associated with a standard Brownian excursion, may be thought of as a random compact real tree. The continuum random tree ...
Small-seeded plant species are often reported to have high relative growth rate or RGR. However, because RGR declines as plants grow larger, small-seeded species could achieve higher RGR simply by virtue of their small size. In contrast, size-standardized growth rate or SGR factors out these size effects. Differences in SGR can thus only be due to differences in morphology, allocation, or physi...
The potential of the human heart to regenerate cells in tissue in adult life by local replacement of cells either by cell division or by differentiation of cardiovascular or mesenchymal progenitor cells (here referred to as stem cells) has been a subject of major controversial discussion in the last 10 years [1]. The debate and studies to understand physiological and pathological regulation of ...
Vetiver grass was harvested at 4, 6 and 8-week old re-growth. The chemical composition and quantitative analyses of anti-nutritional components were determined. The result showed that dry matter and fiber content increased with age while crude protein, mineral content and anti-nutritional components reduced with age. It was concluded that age of re-growth significantly affect the nutrient and a...
Rapid growth in resort areas, combined with environmental and market stresses, has recently created concern amongst resort decision-makers about future paths of development. Growth models have operated effectively in maintaining resort competiveness but there is evidence that this approach needs to be re-assessed (Beritelli et al., 2007). Globalization forces together with global environmental ...
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A twin-plane based nanowire growth mechanism is established using Au catalyzed Ge nanowire growth as a model system. Video-rate lattice-resolved environmental transmission electron microscopy shows a convex, V-shaped liquid catalyst-nanowire growth interface for a ⟨112⟩ growth direction that is composed of two Ge {111} planes that meet at a twin boundary. Unlike bulk crystals, the nanowire geom...
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