نتایج جستجو برای: center pivot

تعداد نتایج: 286528  

Journal: :Environmental science & technology 2014
Robert Stephen Dungan

In the western United States where dairy wastewaters are commonly land applied, there are concerns over individuals being exposed to airborne pathogens. In response, a quantitative microbial risk assessment (QMRA) was performed to estimate infectious risks after inhalation exposure of pathogens aerosolized during center pivot irrigation of diluted dairy wastewaters. The dispersion of pathogens ...

Journal: :European Physical Journal C 2021

Spin sum rules depend on the choice of a pivot, i.e. point about which angular momentun is defined, usually identified with center nucleon. The latter however not unique in relativistic theory and has led to apparently contradictory results literature. Using recently developed phase-space approach, we compute for first time contribution associated motion nucleon, derive general spin rule reduce...

Journal: :Medicine and science in sports and exercise 2004
Nancy St-Onge Yan Chevalier Nicola Hagemeister Maxime Van De Putte Jacques De Guise

INTRODUCTION Downhill skiing is a relatively safe sport, but many potentially avoidable injuries do occur. Whereas tibia and ankle injuries have been declining, severe knee sprains usually involving the anterior cruciate ligament (ACL) have increased from the 1970s to the 1990s. The goal of the present study was to evaluate the effect of the position of the binding pivot point and binding relea...

1999
Dennis Cosgrove Randy Pausch

This paper presents a sketch-based user interface for constructing 3D models with hierarchical structures. A hierarchical model consists of multiple separate parts connected by joints, and a designer can animate the model by specifying the rotation angle at each joint. In traditional modeling systems, the user has to construct each part separately, and connect them one by one specifying the rel...

Journal: :Ad Hoc Networks 2013
Xin Dong Mehmet Can Vuran Suat Irmak

Precision agriculture (PA) refers to a series of practices and tools necessary to correctly evaluate farming needs. The accuracy and effectiveness of PA solutions are highly dependent on accurate and timely analysis of the soil conditions. In this paper, a proof-of-concept towards an autonomous precision irrigation system is provided through the integration of a center pivot (CP) irrigation sys...

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