Results 11 to 20 of about 202,700 (314)

Design of Online Washing Process for an Engine Based on Washing Experiments

open access: yesMATEC Web of Conferences, 2017
In order to develop online washing process of a carrier-based aircraft engine and improve washing efficiency, washing equipments were employed in cold operation state to carry out experimental study on structural strength of spray frame, selection of ...
Zhang Yong   +3 more
doaj   +1 more source

A Reinforcement Learning Method for a Hybrid Flow-Shop Scheduling Problem

open access: yesAlgorithms, 2019
The scheduling problems in mass production, manufacturing, assembly, synthesis, and transportation, as well as internet services, can partly be attributed to a hybrid flow-shop scheduling problem (HFSP). To solve the problem, a reinforcement learning (RL)
Wei Han, Fang Guo, Xichao Su
doaj   +1 more source

Intercomparison of Water Vapor Data Measured with Lidar during IHOP_2002. Part II: Airborne-to-Airborne Systems

open access: yes, 2007
The dataset of the International H2O Project (IHOP_2002) gives the first opportunity for direct intercomparisons of airborne water vapor lidar systems and allows very important conclusions to be drawn for future field campaigns.
Wulfmeyer, Volker   +25 more
core   +1 more source

A Dynamic Scheduling Method for Carrier Aircraft Support Operation under Uncertain Conditions Based on Rolling Horizon Strategy

open access: yesApplied Sciences, 2018
The efficient scheduling of carrier aircraft support operations in the flight deck is important for battle performances. The supporting operations and maintenance processes involve multiple support resources, complex scheduling process, and multiple ...
Peilong Yuan   +4 more
doaj   +1 more source

Airborne Coronaviruses: Observations from Veterinary Experience

open access: yesPathogens, 2021
The virus responsible for the pandemic that has affected 152 countries worldwide is a new strain of coronavirus (CoV), which belongs to a family of viruses widespread in many animal species, including birds, and mammals including humans. Indeed, CoVs are
Paolo Pozzi   +4 more
doaj   +1 more source

A study on sferic removal methods from actual airborne transient electromagnetic data

open access: yes地球与行星物理论评
In airborne transient electromagnetic (ATEM) surveys, sferic significantly degrades data quality due to its randomness and uncertain energy amplitude.
Ping Qi   +8 more
doaj   +1 more source

Dynamometric Investigation on Airborne Particulate Matter (PM) from Friction Materials for Automobile: Impact of Abrasive and Lubricant on PM Emission Factor

open access: yesLubricants, 2021
Reduction of non-exhaust airborne particulate matter (PM), leading to adverse effects in respiratory system, is an urgent task. In this work, we evaluated the impact of raw materials in friction materials on PM emission due to brake wear for passenger ...
Sung-Hun Kim   +8 more
doaj   +1 more source

Automatic LPI radar waveform recognition of overlapping signals based on vision language model

open access: yesScientific Reports
Low probability of intercept (LPI) microwave waveforms are commonly utilized in multiple radar systems. Identifying precisely the modulation formats of LPI waveform is of importance in complex electromagnetic environment.
Pengkun Yang   +4 more
doaj   +1 more source

Assembly Scheduling Optimization of Complex Electromechanical Products Considering Parallel Batch Processing

open access: yesNanjing Hangkong Hangtian Daxue Xuebao
Complex electromechanical product assembly lines often adopt modular design to achieve parallel production of multiple types of products. During the assembly process of each module, there are complex situations such as batch processing of some process ...
DENG Kaibo   +4 more
doaj   +1 more source

Patient‐worn endoscopy mask to protect against viral transmission

open access: yesLaryngoscope Investigative Otolaryngology, 2022
Objectives To design and evaluate patient‐worn personal protective equipment (PPE) that allows providers to perform endoscopy while protecting against droplet and airborne disease transmission. Study design Single subject study. Methods Mask efficacy was
Andrew M. Vahabzadeh‐Hagh   +3 more
doaj   +1 more source

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