منابع مشابه
Three Cases of a Rare Association: Double Aortic Arch
Background Vascular ring is less than 1% of congenital heart disease. Double aortic arch (DAA) is the most common form of it. Its detecting is important because of the effects of pressure on the esophagus and trachea. Case Report In this study, three children suffering from double aortic arch with symptoms of dysphagia and recurrent aspiration, which in two cases had led to cardiac arrest, wer...
متن کاملPolymorphism and Divergence in Two Willow Species, Salix viminalis L. and Salix schwerinii E. Wolf
We investigated species divergence, present and past gene flow, levels of nucleotide polymorphism, and linkage disequilibrium in two willows from the plant genus Salix. Salix belongs together with Populus to the Salicaceae family; however, most population genetic studies of Salicaceae have been performed in Populus, the model genus in forest biology. Here we present a study on two closely relat...
متن کاملCryopreservation of Salix species using sections from winter vegetative scions.
Twigs of Salix species are candidates for cryopreservation procedures because they become tolerant of freezing temperatures during mid-winter. We examined several variables in developing a two-step cryopreservation procedure for sections from these twigs. Samples of Salix triandra cooled to -30 or -35 degree C and then transferred to the vapor phase over liquid nitrogen gave the greatest percen...
متن کاملSeasonal changes in leaf nitrogen pools in two Salix species.
Leaf nitrogen distribution pattern was studied four times during the growing season in a 2-year-old Salix viminalis L. and Salix dasyclados Wimm. plantation in Estonia. We measured the vertical distributions of leaf nitrogen concentration, dry mass, leaf area and light environment (as fractional transmission of diffuse irradiance, a(d)) in the canopy. The light-independent nitrogen pool was eva...
متن کاملThree new species of Pseudocercospora for mycobiota of Iran
Several specimens belonging to the genus Pseudocercospora were collected from different localities of Mazandaran province (N Iran) during the 2011–12. All specimens were microscopically studied and identified. As the result Pseudocercospora abeliae (on Abelia grandiflora), P.rhamnaceicola (on Paliurus spina-christi) and P.sordida (on Campsis grandiflora) are newly recorded for Iran. Furthermore...
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ژورنال
عنوان ژورنال: Journal of the Japanese Society of Revegetation Technology
سال: 2006
ISSN: 0916-7439,1884-3670
DOI: 10.7211/jjsrt.31.380