Results 71 to 80 of about 59,713 (312)

Foraging strategies of breeding seabirds studied by bird-borne data loggers [PDF]

open access: yes, 2004
Our research group has devised and manufactured a data logger, which, glued on the back of a bird, can detect and memorise the direction in which the bird is heading during a flight.
Benvenuti,Silvano, Dall\u27Antonia,Luigi
core   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

Evaluating Fuel Consumption for Continuous Descent Approach Based on QAR Data

open access: yesPromet (Zagreb), 2019
Fuel savings are a significant aspect for evaluating the current and future technologies of civil aviation. Continuous-Descent Approach (CDA), as a representative of new concepts, requires a method for evaluating its fuel benefits.
Lisha Ye, Li Cao, Xuhui Wang
doaj   +1 more source

Model predictions of wind and turbulence profiles associated with an ensemble of aircraft accidents [PDF]

open access: yes
The feasibility of predicting conditions under which wind/turbulence environments hazardous to aviation operations exist is studied by examining a number of different accidents in detail.
Lewellen, W. S.   +2 more
core   +1 more source

Passenger ride quality response to an airborne simulator environment [PDF]

open access: yes, 1975
The present study was done aboard a special aircraft able to effect translations through the center of gravity with a minimum of pitch and roll. The aircraft was driven through controlled motions by an on-board analog computer.
Gee, S. W., Rezek, T. W., Wolf, T. D.
core   +1 more source

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora   +17 more
wiley   +1 more source

Programmable Thermostat Module Upgrade for the Multi-Purpose Logistics Module [PDF]

open access: yes
The STS-121/ULF1.1 mission was the maiden flight of the Programmable Thermostat Module (PTM) system used to control the 28 V shell heaters on the Multi-Purpose Logistics Module (MPLM). These PTMs, in conjunction with a Data Recorder Module (DRM), provide
Clark, Dallas   +5 more
core   +4 more sources

Omega flight-test data reduction sequence [PDF]

open access: yes
Computer programs for Omega data conversion, summary, and preparation for distribution are presented. Program logic and sample data formats are included, along with operational instructions for each program.
Lilley, R. W.
core   +1 more source

Automatic reference level control for an antenna pattern recording system [PDF]

open access: yes, 1971
Automatic gain control system keeps recorder reference levels within 0.2 decibels during operation. System reduces recorder drift during antenna radiation distribution determinations over an eight hour ...
Lipin, R., Jr.
core   +1 more source

Quantitative assessment of piloting technique by flight data recorder

open access: yesAerospace Research in Bulgaria, 2020
Flight training is a complex and responsible training process for pilot and requires experienced specialists, good organization and quality control of flight activity. Its main purpose is to create highly qualified personnel with long-term professional skills in the techniques of piloting, aircraft flying and the combat use of aircraft.
Assen Marinov   +4 more
openaire   +1 more source

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