نتایج جستجو برای: a pioneer

تعداد نتایج: 13433354  

2015
Marco C. Mendoza Christian Park Erin L. Hsu

Disclosures: M.C. Mendoza: None. K. Sonn: None. S.S. Bellary: None. A. Kannan: None. G. Singh: None. C. Park: None. S.R. Stock: None. E.L. Hsu: 2; Medtronic, Stryker, Pioneer Surgical, Globus, SpineSmith, Lifenet, AONA, Synthes/DePuy, Bioventus. 3B; Stryker, Zimmer, Medtronic, Pioneer Surgical, Terumo, Spinesmith. W. Hsu: 2; Medtronic, Stryker, Pioneer Surgical, Globus, SpineSmith, Lifenet, AON...

Journal: :Development 1997
A Hidalgo A H Brand

Although pioneer neurons are the first to delineate the axon pathways, it is uncertain whether they have unique pathfinding abilities. As a first step in defining the role of pioneer neurons in the Drosophila embryonic CNS, we describe the temporal profile and trajectory of the axons of four pioneer neurons and show that they differ from previously published reports. We show, by targeted ablati...

2007
José C. R. Seabra João M. Sanches Luís Mendes Pedro José Fernandes e Fernandes

Carotid atherosclerosis is the most common life-threatening neurological disease and therefore an accurate assessment of atheromatous plaques is clinically important. Several studies were developed to characterize plaques from two-dimensional (2D) ultrasound images that are associated with high risk of stroke. However, 2D characterization may not be very accurate because it depends on the selec...

Journal: :Ships and Offshore Structures 2020

Journal: :The Annals of Iowa 1951

Journal: :American Journal of Public Health 1927

2005
Slava G. Turyshev Michael Martin Nieto John D. Anderson

The Pioneer 10 and 11 spacecraft yielded the most precise navigation in deep space to date. However, while at heliocentric distance of ∼ 20–70 AU, the accuracies of their orbit reconstructions were limited by a small, anomalous, Doppler frequency drift. This drift can be interpreted as a sunward constant acceleration of aP = (8.74± 1.33) × 10−8 cm/s which is now commonly known as the Pioneer an...

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