Results 1 to 10 of about 27,302 (254)

Passive Ground‐Based Optical Techniques for Monitoring the On‐Orbit ICESat‐2 Altimeter Geolocation and Footprint Diameter [PDF]

open access: yesEarth and Space Science, 2021
Corner cube retro‐reflectors (CCRs), passive optical components, are used to independently evaluate the geolocation accuracy and effective laser footprint diameter of NASA's laser altimetry mission, ICESat‐2, at two specific study sites: White Sands ...
Lori Magruder   +4 more
doaj   +3 more sources

Optimal Tunnel Positioning and Graft Diameter to Minimize Impingement in Single-Bundle ACL Reconstruction: A 3D CT Simulation Analysis [PDF]

open access: yesMedicina
Background and Objectives: Graft impingement against the intercondylar notch has been identified as a significant contributor to graft deterioration and suboptimal outcomes following anterior cruciate ligament (ACL) reconstruction. This study aimed to (1)
Sang-Woo Jeon   +2 more
doaj   +3 more sources

Effects of Orifice Diameter and Retention Time of Local Tanks on the Reliability and Carbon Footprint of Water Distribution Networks

open access: yesJournal of Water Resources Planning and Management - ASCE, 2021
AbstractThe role of private tanks is to provide excess storage to the consumer to satisfy the water demand.
Syed Rizvi   +2 more
exaly   +3 more sources

Clinicoradiological correlation between preoperative measurement of ACL footprint on MRI and intra operative semitendinosis graft diameter [PDF]

open access: yesInternational Journal of Orthopaedics Sciences, 2018
Aims & Objectives: To assess the accuracy of preoperative measurement of Hamstring graft thickness using Magnetic Resonance Imaging (MRI) with intra-operative measurements. Materials: The present prospective type of clinical study was conducted. A total of 50 patients operated for Anterior Cruciate Ligament (ACL) reconstruction were selected for the ...
Dr. Sunil H Shetty   +4 more
exaly   +2 more sources

Assessment of Anterior Cruciate Ligament Tibial Footprint Sagittal Diameter and Orientation of the Ligament in the Intercondylar Notch in Indian Population: A Magnetic Resonance Imaging (MRI) Analysis [PDF]

open access: yesCureus, 2020
To study the relevant anatomy of anterior cruciate ligament tibial footprint and orientation of the ligament in the intercondylar roof in Indian population the using MRI.A total of 70 knee MRI with intact anterior cruciate ligament (ACL) was assessed for intercondylar roof angle, ACL inclination angle, ACL-bluemensaat angle, ACL sagittal center, and ...
Raja, Balgovind S   +6 more
openaire   +2 more sources

On the Vertically Stacked Gate-All-Around Nanosheet and Nanowire Transistor Scaling beyond the 5 nm Technology Node

open access: yesNanomaterials, 2022
This work performs a detailed comparison of the channel width folding effectiveness of the FinFET, vertically stacked nanosheet transistor (VNSFET), and vertically stacked nanowire transistor (VNWFET) under the constraints of the same vertical (fin ...
Hei Wong, Kuniyuki Kakushima
doaj   +1 more source

Mitigation Effect of Perforation Drilling on the Sliding Risk during Spudcan Installation Close to Footprints

open access: yesJournal of Marine Science and Engineering, 2020
Perforation drilling is a promising technique to mitigate the sliding risk of jack-up units installed around footprints. Based on the coupled Eulerian−Lagrangian (CEL) method, a 1/2 finite element model, including a rigid Lagrangian spudcan and a ...
Pan Gao   +4 more
doaj   +1 more source

Arctic Sea-Ice Surface Elevation Distribution from NASA’s Operation IceBridge ATM Data

open access: yesRemote Sensing, 2022
In this paper, we characterize the sea-ice elevation distribution by using NASA’s Operation IceBridge (OIB) Airborne Topographic Mapper (ATM) L1B data over the Arctic Ocean during 94 Spring campaigns between 2009 and 2019.
Donghui Yi   +5 more
doaj   +1 more source

Numerical Simulations of the Apollo S‐IVB Artificial Impacts on the Moon

open access: yesEarth and Space Science, 2021
The third stage of the Saturn IV rocket used in the five Apollo missions made craters on the Moon ∼30 m in diameter. Their initial impact conditions were known, so they can be considered controlled impacts.
A. Rajšić   +8 more
doaj   +1 more source

Home - About - Disclaimer - Privacy