Effects of salt stress on absorption and distribution osmotic ions in wheat seedlings were studied with 4 winter varieties under NaCl by exploring dynamic changes Ca2+, K+, Na+, Ca2+/Na+, K+/Na+ Na+ limiting ability. The results showed that the contents Ca2+ ratio gradually decreased a manner both concentration dependent time dependent. extent reduction K+ root was much more severe than shoot. ...

Selçuklu Devleti, Melikşah dönemi ile birlikte yükseliş yaşamasına rağmen ölümünden sonra kademeli olarak çöküş süreci içerisine girmişti. Bu durum Hârizmşahlar gibi bağımsız devletlerin ortaya çıkmasına yol açmıştı. İl Arslan İslâm dünyasında nüfuzunu arttıran Hârizmşahlar, devletin müstakil bir hale gelebilmesi için mücadelelerin verildiği Anuştekin, Kutbeddin Muhammed ve Atsız dönemine nazar...

BACKGROUND Atrial fibrillation (AFib) is common in heart failure (HF) with preserved ejection fraction (HFpEF). Current AFib stroke risk prediction models include the presence of HF but do not specifically include HFpEF as a risk factor. Whether a history of AFib should be used to identify patients with HFpEF who are at risk has not been established. METHODS AND RESULTS Baseline characteristi...

OBJECTIVE To determine the number of brain CT scans carried out in patients with mild head injury (MHI) during 13 months of trauma registry, and to investigate means of reducing the rate of unnecessary scans. METHODS During a trauma registry (from August 23, 1999 to September 21, 2000) in 6 general Hospitals (Imam Hussein, Moayer, Sina, Hafteteer, Imam Khomeini and Shariatti) in Tehran, Iran,...

BACKGROUND Epidemiological studies have shown inverse associations between geohelminth (intestinal helminth) infection and atopy, leading to the suggestion that geohelminths might protect against allergy. Periodic deworming of school children with anthelmintics is a widely implemented intervention and has raised concerns that such programmes could increase allergy. We investigated the effect of...