نتایج جستجو برای: landings

تعداد نتایج: 1223  

Journal: :American Journal of Operations Research 2012

2000
MELANIE JONES ANNE JOHNSON-FLANAGAN STEVEN KIISKILA CHARLES BULMER

Jones, M.D., A.M. Johnson-Flanagan, S.B.R. Kiiskila, and C. Bulmer. 2000. First-season growth of lodgepole pine seedlings grown in three different container types and planted on landings, or on burned or unburned sites. In Proceedings, From science to management and back: a science forum for southern interior ecosystems of British Columbia. C. Hollstedt, K. Sutherland, and T. Innes (editors). S...

Babak Ghalebsaz-Jeddi George L. Donohue John F. Shortle

Managing operations of the aircraft approach process and analyzing runway landing capacity, utilization and related risks require detailed insight into the stochastic characteristics of the process. These characteristics can be represented by probability distributions. The focus of this study is analyzing landings on a runway operating independent of other runways making it as a single runway. ...

2011

INTRODUCTION: Landing is a common manoeuvre in sporting activities that can often lead to anterior cruciate ligament (ACL) injury with greater risk found in females [1]. Single-leg landing increases the risk of injury compared to double-leg landing because it is performed with less knee flexion and provides less stability. Although there has shown to be significant differences in maximum valgus...

2009
Partha Bhagavatula Charles Claudianos Michael Ibbotson Mandyam Srinivasan

BACKGROUND While considerable scientific effort has been devoted to studying how birds navigate over long distances, relatively little is known about how targets are detected, obstacles are avoided and smooth landings are orchestrated. Here we examine how visual features in the environment, such as contrasting edges, determine where a bird will land. METHODOLOGY/PRINCIPAL FINDINGS Landing in ...

Journal: :Medicine and science in sports and exercise 1992
P Devita W A Skelly

Ground reaction forces (GRF), joint positions, joint moments, and muscle powers in the lower extremity were compared between soft and stiff landings from a vertical fall of 59 cm. Soft and stiff landings had less than and greater than 90 degrees of knee flexion after floor contact. Ten trials of sagittal plane film and GRF data, sampled at 100 and 1000 Hz, were obtained from each of eight femal...

Journal: :Canadian Journal of Forest Research 2022

In recent years, increasing attention has been drawn to improving productivity in logging passages while reducing negative impact on soil and water. The position of landings extraction routes is crucial these efforts, as it a huge efficient sustainable forwarder passages. this paper, we propose two-phase approach identify the best possible landing locations integrated with log route design. fir...

Journal: :Clinical biomechanics 2008
Bhushan S Borotikar Rhonda Newcomer Ryan Koppes Scott G McLean

BACKGROUND In spite of ongoing prevention developments, anterior cruciate ligament injury rates and the associated sex-disparity have remained, suggesting an incomplete understanding of the injury mechanism. While both fatigue and decision making are known in isolation to directly impact anterior cruciate ligament injury risk, their combined manifestations remain unknown. We thus examined the c...

2014
Palanisamy Satheesh Kumar Gopalakrishna N Pillai Ushadevi Manjusha

El Nino Southern Oscillation (ENSO) is an important driver of interannual variations in climate and ecosystem productivity in tropical regions. However, detailed information about this important phenomenon of the Indian Ocean is scarce. Consequently, the objective of this study is to improve understanding of the impact of warm event El Nino and cool event La Nina on annual tuna landings from th...

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