نتایج جستجو برای: main drains

تعداد نتایج: 594419  

Journal: :The Annals of The Royal College of Surgeons of England 2007

2006
Joseph Holden

[1] Land drainage is common in peatlands. Artificially drained blanket peat catchments have been shown to have a significantly greater soil pipe density than intact catchments. This paper investigates the role of surface land drains in the enhancement of soil piping in blanket peats. The density of piping was found to significantly increase in a linear fashion with the age of the drainage. Thir...

Journal: :Veterinary Quarterly 1998

Journal: :Journal of Evolution of Medical and Dental Sciences 2020

Journal: :Thorax 1994
M Moreno Azcoita J C Ruiz de Adana L Sánchez Urdazpal C Cárcamo J M Jover Navalón J L Ramos Rodriguez

Congenital fistulae between the tracheobronchial tree and oesophagus usually originate from the lower end of the trachea or right main bronchus. The case history is presented of a man in whom a fistula between the oesophagus and left main bronchus was not diagnosed until the age of 48.

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