نتایج جستجو برای: from shallow investigations geotechnics
تعداد نتایج: 5674866 فیلتر نتایج به سال:
Salinization of soil is primarily caused by capillary rise from saline shallow groundwater orapplication of saline irrigation water. In this investigation, the transient state analytical modelwas modified to predict water uptake from saline shallow groundwater, actual cropevapotranspiration, soil water content, dry matter, seed yield and soil salinity under differentsaline groundwater depths, i...
Microplastics (MPs) are emerging persistent contaminants in the terrestrial subsurface, and evidence has emerged for significant effects of MPs on biological ecosystem functions soils. Main MP sources include land spreading sewage sludge biowaste composts, plastic mulching film used horticultural fields, waste water irrigation leachate from landfills, among others. This updated state-of-the-art...
Aggregates containing both phycoerythrin and from hot springs (pH 8 .2-8 .4) in the lower Geyser phycocyanin were first described in the red alga Basin area of the Yellowstone National Park . The Porphyridium cruentum and named phycobilisomes temperature of the water at these sites was in the (7, 8) . This and subsequent investigations of range 65°-70°C . The selected unicells were usually phyc...
Rock abrasiveness is ability of rock to wear down the working tool during the mutual interaction between the working indentor and the rock in the mechanical rock cutting process. The cutting indentor is worn down during the interaction, which changes its geometric dimensions causing the enlargement of a contact area between the tool and the rock surface. The changes in these dimensions conseque...
Measuring Cognitive Functions: Hurdles in the Development of the NeuroPsychological Testing Ontology
The NeuroPsychological Testing Ontology provides a set of classes for the representation and annotation of neuropsychological tests and the associated data. These classes are intended to enable the integra-‐ tion of results from a variety of neuropsychological tests that as...
In this study, we report measurements of CFC12 (CCl2F2) in firn air and in air extracted from shallow ice cores from three Antarctic sites. The firn air data are consistent with the known atmospheric history of CFC-12. In contrast, some of the ice core samples collected near the firn-ice transition exhibit anomalously high CFC-12 levels. Together, the ice core and firn air data provide evidence...
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