Results 71 to 80 of about 550,203 (284)

An Energy Self-Sufficient Underwater Profiling Buoy Powered by Ocean Thermal Energy

open access: yesPolish Maritime Research
Unmanned underwater vehicles play an important role in ocean observation and exploration; however, they do not have long endurance due to energy limitations.
Wang Xiaohao   +3 more
doaj   +1 more source

Measurement of the equivalent friction coefficients of ball bearings based on the variations in kinetic energy

open access: yesFriction
Friction energy consumption is the primary cause of energy loss in rolling bearings, and friction characteristics are critical indicators of rolling bearing quality.
Panlong Wu   +5 more
doaj   +1 more source

Stability and economy analysis based on computational fluid dynamics and field testing of hybrid-driven underwater glider with the water quality sensor in Danjiangkou Reservoir

open access: yesAdvances in Mechanical Engineering, 2015
Hybrid-driven underwater glider is a new kind of unmanned platform for water quality monitoring. It has advantages such as high controllability and maneuverability, low cost, easy operation, and ability to carry multiple sensors.
Chao Li, Yanhui Wang, Zhiliang Wu
doaj   +1 more source

Navigating new norms: a systematic review of factors for the development of effective digital tools in higher education

open access: yesFEBS Open Bio, EarlyView.
What factors make for an effective digital learning tool in Higher Education? This systematic review identifies elements of a digital tool that published examples reveal to be features of an engaging and impactful digital tool. A systematic literature search yielded 25 research papers for analysis.
Akmal Arzeman   +4 more
wiley   +1 more source

Enhanced accuracy in gravity-based intravenous infusion using pulse oximeter drop counting and measured single-drop weights [PDF]

open access: yesAnesthesia and Pain Medicine
Background Intravenous (IV) fluid therapy is essential and widely used; however, it is associated with high error rates, largely due to human factors, necessitating constant and careful monitoring by medical staff.
Daeseok Oh   +4 more
doaj   +1 more source

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

open access: yesFEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso   +4 more
wiley   +1 more source

Digital Medicine Crushers in Paediatric Care: A Narrative Review [PDF]

open access: yesJournal of Clinical and Diagnostic Research
Ensuring safe and reliable oral medication administration in paediatrics has been a clinical challenge for years, due to the absence of age-specific formulations and difficulties in preparing accurate doses.
Sonali Prakash Kolhekar   +2 more
doaj   +1 more source

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