نتایج جستجو برای: live silt fences
تعداد نتایج: 100810 فیلتر نتایج به سال:
surface is crisscrossed with picket fences made of immobile transmembrane proteins. Until now, single-particle tracking (SPT) has been too slow to provide a high-resolution view of lipid diffusion. In an impressive technical achievement, the authors developed a SPT technique with 25s resolution, and then used it to follow the diffusion of a nonraft lipid in a cell membrane. The lipid molecule w...
As to Rose in August Wilson’s Fences, most of critiques view her as an “angel the house”, devoting herself family without female self-consciousness. While paper will prove is a brave, independent woman who has sense self express ideas, stick decision and pursue felicity she wants.
We test the common assumption that organic carbon (OC) storage occurs on sand-sized soil particles only after the OC storage capacity on silt- and clay-sized particles is saturated. Soil samples from a Brookston clay loam in Southwestern Ontario were analysed for the OC concentrations in bulk soil, and on the clay (<2 μm), silt (2-53 μm) and sand (53-2000 μm) particle size fractions. The OC con...
The soybean cyst nematode (SCN), Heterodera glycines Ichinohe, is a severe pest of soybean, Glycine max (L.) Merr., in the United States. Nematode reproduction and the seed yield losses caused by this nematode are influenced by soil texture (3,5,6). Todd and Pearson (5) recovered higher numbers of SCN females and cysts from a sandy loam soil than from silty loams. Soybean yield also has been ne...
Manure-borne bacteria can be transported in runoff as free cells, cells attached to soil particles, and cells attached to manure particles. The objectives of this work were to compare the attachment of fecal coliforms (FC) to different soils and soil fractions and to assess the effect of bovine manure on FC attachment to soil and soil fractions. Three sand fractions of different sizes, the silt...
Upon channel bars or point bars within the lows of the Yellow River, a new sedimentary structure, named 'silt mushroom', has been observed. The process of their formation is interpreted to be via the ice process. The name, the silt mushroom comes from their figurative form. This is because they look somewhat similar to mushroom's in size and shape; being in the range of 1 to 10 cm in diameter, ...
Abstract Wildlife fences are often considered an important tool in conservation. Fences used attempts to prevent human–wildlife conflict and reduce poaching, despite known negative impacts on landscape connectivity animal movement patterns. Such likely be particularly for wide-ranging species, such as the African wild dog Lycaon pictus , which requires large areas of continuous habitat fulfil i...
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