نتایج جستجو برای: disk harrow

تعداد نتایج: 57391  

Journal: :iranian journal of neuro surgery 0
guive sharifi associate professor, shahid beheshti university of medical sciences, loghman hakim hospital, tehran, iran ehsan alimohammadi * corresponding author address: shahid beheshti university of medical sciences, loghman hakim hospital, velenjak st., shahid chamran highway, tehran, iran. tel: +982155419005. e-mail: [email protected] kaveh ebrahimzadeh assistant professor of neurosurgery, shahid beheshti university of medical sciences, loghman hakim hospital, tehran, iran karim moradian resident of neurosurgery, shahid beheshti university of medical sciences, loghman hakim hospital, tehran, iran omidvar rezaei professor of neurosurgery, shahid beheshti university of medical sciences, loghman hakim hospital, tehran, iran

background and importance: disk sequestration can be defined as a herniated disk with perforation of the fibrous ring (or outermost annulus fibrosus) and posterior longitudinal ligament with migration of the disk fragment to the epidural space. even after the introduction of high-resolution magnetic resonance imaging (mri), it is still frequently misinterpreted as neoplastic masses. unfortunate...

2017
Wallace Wilhelm Mark Reed Hinze C. O. Gardner

Wilhelm, W.W., Hinze, M.R. and Gardner, C.O., 1991. Maize hybrid response to tillage under irrigated and dryland conditions. Field Crops Res., 26: 57-66. The popularity of reduced-tillage cropping systems has emphasized the need to determine if maize (Zea mays L.) developed under conventional tillage systems (moldboard plow, disk, and harrow) is readily adaptable to conservation production syst...

Journal: :E3S web of conferences 2021

Crop yields largely depend on the quality of soil prepared for sowing. At same time, one most important field operations is harrowing, with main technological parameter harrowing depth processing fertile layer. Failure to do not have necessary leads a decrease in yields, and excess - additional energy costs, therefore increase cost unit resulting products. As you know, influencing weight that f...

Journal: :Journal of Chemical Education 1934

2005
Marc J. Gunter Mark A. Watson Alexandre S. Loktionov Panagiota Mitrou Tom Cecil Christopher Macklin Christopher Cardwell D. Timothy Bishop John Primrose Wendy S. Atkin Sheila A. Bingham

Dunn Human Nutrition Unit, Medical Research Council, Cambridge, United Kingdom; Department of General Surgery, Norfolk and Norwich Health Care NHS Trust, Norwich, United Kingdom; Cancer Sciences Division, University of Southampton, Southampton, United Kingdom; Cancer Research UK Genetic Epidemiology Division, St James’s University Hospital, Leeds, United Kingdom; and Cancer Research UK, St Mark...

Journal: :Monthly Notices of the Royal Astronomical Society 1896

Journal: :Polythematic Online Scientific Journal of Kuban State Agrarian University 2016

Journal: :Psychological Medicine 2023

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