Results 81 to 90 of about 1,195,981 (311)

Normal‐Appearing White Matter Injury Mediates Chronic Deep Venous Hypoxia and Disease Progression in Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang   +8 more
wiley   +1 more source

Characterizing the deformation, failure, and water-conducting fractures evolution of shallow weakly cemented overburden under coal mining

open access: yesFrontiers in Earth Science
Understanding the collapse mechanisms of shallow, multi-layered, weakly cemented overburden is key to safe and efficient coal mining in central and western China.
Zhenhua Li   +10 more
doaj   +1 more source

Submersible Designer [PDF]

open access: yes
In this lesson students will discover how a submersible's design enables humans to explore the deep ocean. As a result of doing this activity, students will understand that the physical features of water can be restrictive to movement.

core  

Clinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Sjögren's disease is an autoimmune disorder that can impact multiple organ systems, including the peripheral nervous system (PNS). PNS manifestations, which can exist concurrently, include mononeuropathies, polyneuropathies, and autonomic nervous system neuropathies.
Anahita Deboo   +88 more
wiley   +1 more source

A review of rock macro-indentation: Theories, experiments, simulations, and applications

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
Rock macro-indentation plays a fundamental role in mechanical rock breaking for various rock engineering application, such as drilling, tunneling, cutting, and sawing.
Weiqiang Xie   +4 more
doaj   +1 more source

Once and Future Gulf of Mexico Ecosystem: Restoration Recommendations of an Expert Working Group [PDF]

open access: yes, 2011
The Deepwater Horizon (DWH) well blowout released more petroleum hydrocarbons into the marine environment than any previous U.S. oil spill (4.9 million barrels), fouling marine life, damaging deep sea and shoreline habitats and causing closures of ...
Charles H. Peterson   +17 more
core  

Our shifting perspectives on the oceans [PDF]

open access: yes, 2003
In the last 15 years new research findings have radically reshaped our understanding of human effects on ocean ecosystems. Here I describe five major shifts in perspective that reveal our impacts to be more severe and persistent than previously ...
Roberts, C.M.
core   +1 more source

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

The impact of deep-sea fisheries and implementation of the UNGA Resolutions 61/105 and 64/72. Report of an international scientific workshop [PDF]

open access: yes, 2011
The scientific workshop to review fisheries management, held in Lisbon in May 2011, brought together 22 scientists and fisheries experts from around the world to consider the United Nations General Assembly (UNGA) resolutions on high seas bottom ...
A. Benn   +22 more
core  

Birth, life and death of the Pannonian Lake [PDF]

open access: yes, 1990
The Miocene-Pliocene Pannonian Lake formed in an extensional basin system behind the compressional arc of the Carpathians. Its size and depth were comparable to those of the Caspian Sea.
Kázmér, Miklós
core   +1 more source

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