نتایج جستجو برای: esap
تعداد نتایج: 66 فیلتر نتایج به سال:
Attrition is one of the most important threats for longitudinal studies on aging mainly due to refusal and mortality. This study deals with those individuals who were assessed in the base line of 90+ project but died, dropped out or were examined in the follow-up. Participants of the 90+ project baseline consist of a sample of 188 older than 90 years, independent individuals (mean age = 92.9; 6...
The post methods era has witnessed a dramatic change inapproaches to and methods of teaching as well as testing. At the heart of such a change, collaborative learning has received top priority and testing domain has actually gone under scrutiny. This new mode of education has made stakeholders, especially in higher education; reflect on an interactive e-assessment based instruction. Such a cybe...
The post methods era has witnessed a dramatic change inapproaches to and methods of teaching as well as testing. At the heart of such a change, collaborative learning has received top priority and testing domain has actually gone under scrutiny. This new mode of education has made stakeholders, especially in higher education; reflect on an interactive e-assessment based instruction. Such a cybe...
موضوع شوری خاک یکی از معضلات افزایش بهره وری کشاورزی می باشد که بایستی با تدبیر و مدیریت صحیح علمی مهار گردد. یکی از راههای شناسایی مناطق شور، اندازه گیری و تهیه نقشه هدایت الکتریکی خاک مزارع می باشد. در این پایان نامه یک نمونه آزمایشگاهی و یک نمونه پشت تراکتوری از دستگاه اندازه گیری هدایت الکتریکی خاک بر پایه روش تماس مستقیم الکترود با خاک، طراحی و ساخته شد. به منظور انتخاب نوع الکترود و نوع ج...
Spatial characterization of the variability of soil physico-chemical properties is a fundamental element of (i) soil quality assessment, (ii) modeling non-point source pollutants in soil, and (iii) sitespecific crop management. Apparent soil electrical conductivity (ECa) is a quick, reliable measurement that is frequently used for the spatio-temporal characterization of edaphic (e.g., salinity,...
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