Results 101 to 110 of about 1,613,595 (364)

Scheduling a future air transport system [PDF]

open access: yes, 2011
The scheduling of future timetables is an important driver for aircraft sales and design considerations in future aircraft. Airline companies seek to maximise their profits through capturing passenger demand through the quality of service they offer ...
Patel, R.
core  

Monte Carlo modeling of radiation dose from radiation therapy with superficial x‐rays

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Introduction Superficial x‐rays (50–100 kVp) are used for treating non‐melanoma skin cancer and intraoperative radiation therapy (IORT). At these energies, the photoelectric effect significantly increases absorbed dose to bone compared to soft tissue.
Reham Barghash   +3 more
wiley   +1 more source

ORGANIZING OF SANITARY-AND-QUARANTINE CONTROL IN PASSING POINT «BLAGOVESHSCENSK»

open access: yesActa Biomedica Scientifica, 2020
Blagoveshchensk City has the border with PRC along the Amur River and has principal international contacts with this country, where epidemic situation for «atypical pneumonia» became complicated and threat of this infection delivery to the Amur region ...
T. A. Stepykina, T. V. Bulatova
doaj  

Recommendations for Emerging Air Taxi Network Operations based on Online Review Analysis of Helicopter Services [PDF]

open access: yesarXiv, 2020
The effects of traffic congestion are adverse, primarily including air pollution, commuter stress, and an increase in vehicle operating costs and accidents on the road. In efforts to alleviate these problems in metropolitan cities, logistics companies plan to introduce a new method of everyday commute called air taxis, an Urban Air Mobility (UAM ...
arxiv  

Air Transport and EC Competition Law [PDF]

open access: yes, 1997
This Essay is about air transport and EC competition Law. The air transport industry has, in many countries, developed as a mixture of public utility and commercial venture.
Gorton, Lars
core   +1 more source

Comprehensive clinical evaluation of novel 4DCT‐based lung function imaging methods

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose Methods have been developed that apply image processing to 4DCTs to generate 4DCT‐ventilation/perfusion lung imaging. Traditional methods for 4DCT‐ventilation rely on Hounsfield‐Unit (HU) density‐change methods and suffer from poor numerical robustness while not providing 4DCT‐perfusion data.
Ehsan Golkar   +6 more
wiley   +1 more source

A Python package for fast GPU‐based proton pencil beam dose calculation

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose Open‐source GPU‐based Monte Carlo (MC) proton dose calculation algorithms provide high speed and unparalleled accuracy but can be complex to integrate with new applications and remain slower than GPU‐based pencil beam (PB) methods, which sacrifice some physical accuracy for sub‐second plan calculation.
Mahasweta Bhattacharya   +4 more
wiley   +1 more source

Dynamics of Air Transport Networks: A Review from a Complex Systems Perspective [PDF]

open access: yesarXiv, 2016
Air transport systems are highly dynamic at temporal scales from minutes to years. This dynamic behavior not only characterizes the evolution of the system but also affect the system's functioning. Understanding the evolutionary mechanisms is thus fundamental in order to better design optimal air transport networks that benefits companies, passengers ...
arxiv  

Road to External Representation: the European Commission's Activism in International Air Transport. [PDF]

open access: yes
This article argues that the role the Commission plays in European foreign policies goes beyond the execution of the competences delegated by the member states.
Woll, Cornelia
core  

Analysis of Air Cathode Perfomance for Lithium-Air Batteries [PDF]

open access: yes, 2013
Lithium-air (Li-air) batteries have a theoretical specific energy comparable to gasolines. The air cathode plays a critical role in battery operation, where oxygen reacts with Li ions and electrons; and discharge products are stored in the pore structure.
Cho, SC, Wang, Y
core   +1 more source

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