Results 41 to 50 of about 46,325 (279)

MicroRNA-155 influences B-cell function through PU.1 in rheumatoid arthritis [PDF]

open access: yes, 2016
MicroRNA-155 (miR-155) is an important regulator of B cells in mice. B cells have a critical role in the pathogenesis of rheumatoid arthritis (RA). Here we show that miR-155 is highly expressed in peripheral blood B cells from RA patients compared with ...
Alivernini, Stefano   +13 more
core   +2 more sources

Analysis of Load and Lubrication State of Racks and Pinions of Three Gorges Ship Lift Based on Actual Service Conditions

open access: yesJixie chuandong, 2023
The rack and pinion of the three gorges ship lift is a low speed and heavy load open gear transmission with hard tooth surface. Once the lubrication is poor, it is easy to cause damage such as tooth surface scuffing, which will affect the operation ...
Chen Zhuo   +5 more
doaj  

Application of Equivalent Single Layer Approach for Ultimate Strength Analyses of Ship Hull Girder

open access: yesJournal of Marine Science and Engineering, 2022
The objective of this paper is to present the application of equivalent single layer (ESL) approach for the ultimate strength assessment of ship hull girder in the context of numerical finite element (FE) simulations.
Teguh Putranto   +2 more
doaj   +1 more source

World ships: Feasibility and Rationale [PDF]

open access: yesActa Futura, 12, 75-104, 2020, 2020
World ships are hypothetical, large, self-contained spacecraft for crewed interstellar travel, taking centuries to reach other stars. Due to their crewed nature, size, and long trip times, the feasibility of world ships faces an additional set of challenges compared to interstellar probes.
arxiv   +1 more source

Homo in Machina: Improving Fuzz Testing Coverage via Compartment Analysis [PDF]

open access: yes, 2022
Fuzz testing is often automated, but also frequently augmented by experts who insert themselves into the workflow in a greedy search for bugs. In this paper, we propose Homo in Machina, or HM-fuzzing, in which analyses guide the manual efforts, maximizing benefit. As one example of this paradigm, we introduce compartment analysis.
arxiv   +1 more source

Parametric analysis of a cabin fire using a zone fire model

open access: yesAlexandria Engineering Journal, 2013
Fire onboard has always been considered as one of the most relevant hazards to ships. As an effect of ship fires, toxic smoke might develop and start spreading from the compartment of fire origin to other connected compartments.
Ahmed M. Salem
doaj   +1 more source

Autonomous Exploration and General Visual Inspection of Ship Ballast Water Tanks using Aerial Robots [PDF]

open access: yesarXiv, 2023
This paper presents a solution for the autonomous exploration and inspection of Ballast Water Tanks (BWTs) of marine vessels using aerial robots. Ballast tank compartments are critical for a vessel's safety and correspond to confined environments often connected through particularly narrow manholes.
arxiv  

Nigral diffusivity, but not free water, correlates with iron content in Parkinson's disease [PDF]

open access: yes, 2021
The loss of melanized neurons in the substantia nigra pars compacta is a primary feature in Parkinson's disease (PD). Iron deposition occurs in conjunction with this loss. Loss of nigral neurons should remove barriers for diffusion and increase diffusivity of water molecules in regions undergoing this loss.
arxiv   +1 more source

Manoeuvrability of a Large Cruise Ship after Damage for Safe Return to Port

open access: yesJournal of Marine Science and Engineering, 2020
Free-running model tests were conducted using a scaled model of a large cruise ship with a damaged compartment, to investigate the effects of damage opening and floodwater on the manoeuvring performance in calm water and regular and irregular head waves.
Tetsuhiro Yuura   +2 more
doaj   +1 more source

Safety in maritime oil sector: Content analysis of machinery space fire hazards [PDF]

open access: yes, 2012
An in-depth study of the practice within the maritime oil industry was undertaken to ascertain safety issues in seafaring vessels. It was more concentrated on the type of accidents that occur in machine spaces of seafaring vessels in this industry.
Alemagi   +33 more
core   +1 more source

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