Results 41 to 50 of about 11,917 (312)

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

Upheaval buckling of pipelines [PDF]

open access: yes, 2016
UPHEAVAL BUCKLING OF OFFSHORE pipelines occurs as a result of axial compression induced along the pipelines due to large temperature differences and high internal pressures. This paper aims to research the causes of upheaval buckling, give an overview of
Adebanjo, Oluwatomisin, Simms, Nigel J.
core  

Brainstem and Cerebellar Volume Loss and Associated Clinical Features in Progressive Supranuclear Palsy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Progressive Supranuclear Palsy (PSP) is a neurodegenerative ‘tauopathy’ with predominating pathology in the basal ganglia and midbrain. Caudal tau spread frequently implicates the cerebellum; however, the pattern of atrophy remains equivocal.
Chloe Spiegel   +8 more
wiley   +1 more source

State-of-the-art Advancement and Development Direction of Submarine Pipeline Inspection Technology

open access: yesShiyou jixie, 2016
More and more submarine pipelines are laid with in-depth development of offshore oil and gas resources, but abnormal and complex environment is prone to resulting in damage and failure of submarine pipelines and causing adverse consequences.
Wang Jinlong   +4 more
doaj  

In-place stability of submarine pipelines based on water-soil-pipeline coupling analysis platform

open access: yesYantu gongcheng xuebao
The submarine pipeline is a key component of deep-sea oil and gas engineering, and the in-place stability of pipelines is affected by ocean waves and hydrodynamic loads, soil resistance and pipeline characteristics.
MENG Chuiqian 1, 2, 3, WANG Le 1, 2 , ZHANG Chunhui 4, 5, WANG Zhichao 6, TIAN Yinghui 7
doaj   +1 more source

Review of offshore pipeline span creation mechanism [PDF]

open access: yes, 2018
The various span creation mechanisms have been studied in great detail and this work has presented the state of the art in the area of offshore pipeline span creation mechanism analysis.
Kara, Fuat, Shittu, A A
core   +1 more source

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

Numerical simulation of submarine pipeline penetration in sandy seabed

open access: yesJournal of Hebei University of Science and Technology, 2022
In order to predict the penetration depth of submarine pipeline on sandy seabed,a coupled Eulerian-Lagranginan finite element model of submarine pipeline penetration on sandy seabed was established under ABAQUS to simulate the process of submarine ...
Xiaoming ZHENG   +4 more
doaj   +1 more source

Proposed Keystone XL Pipeline: Legal Issues [PDF]

open access: yes, 2012
[Excerpt] In 2008, TransCanada Corp. applied for a presidential permit from the State Department to construct and operate an oil pipeline across the U.S.-Canada border in a project known as Keystone XL.
Alexander, Kristina   +3 more
core   +2 more sources

Multidimensional Profiling of MRI‐Negative Temporal Lobe Epilepsy Uncovers Distinct Phenotypes

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Although hippocampal sclerosis (TLE‐HS) represents the most frequent cause of temporal lobe epilepsy (TLE), up to 30% of patients show no lesion on visual MRI inspection (TLE‐MRIneg). These cases pose diagnostic and therapeutic challenges and are underrepresented in surgical series.
Alice Ballerini   +28 more
wiley   +1 more source

Home - About - Disclaimer - Privacy