Results 31 to 40 of about 858,752 (345)

Dynamic characteristics of Mn-Cu high damping alloy subjected to impact load

open access: yesAdvances in Mechanical Engineering, 2021
Mn-Cu high damping alloy is a twin-type damping alloy. Owing to its martensite twin structure at room temperature, it can convert vibration energy into heat energy, thereby reducing vibration.
Rui Zhu   +6 more
doaj   +1 more source

Driving force coordinated control of an 8×8 in-wheel motor drive vehicle with tire-road friction coefficient identification

open access: yesDefence Technology, 2022
Because of the complexities of tire-road interaction, the wheels of a multi-wheel distributed electric drive vehicle can easily slip under certain working conditions.
Zheng Zhang   +4 more
doaj   +1 more source

Bacillus species as versatile weapons for plant pathogens: a review

open access: yes, 2017
Plant pathogens are the main threat for profitable agricultural productivity. Currently, chemical-based pesticides are thought to be an effective and reliable agricultural management measure for controlling pests. Chemical pesticides are highly effective
Jamil Shafi, Hui Tian, M. Ji
semanticscholar   +1 more source

Experimental study on the forced convection heat transfer characteristics of airflow with variable thermophysical parameters in a circular tube

open access: yesCase Studies in Thermal Engineering, 2022
The heat transfer of fluids in pipelines under conditions with variable thermophysical parameters is ubiquitous in engineering applications, but effective methods to predict the heat transfer parameters are scarce.
Qijin Zhao   +7 more
doaj   +1 more source

A HYBRID LBWA - IR-MAIRCA MULTI-CRITERIA DECISION-MAKING MODEL FOR DETERMINATION OF CONSTRUCTIVE ELEMENTS OF WEAPONS

open access: yes, 2020
The paper demonstrates a model whose goal is to define the construction elements of weapons necessary to meet minimum requirements of users. The complexity of the problem, conditioned by different construction elements of weapons and specific situations ...
Darko Božanić   +3 more
semanticscholar   +1 more source

A method for calculating the discovery time of ballistic missiles detected by an infrared early warning satellite

open access: yesAIP Advances, 2023
To determine the high dynamic change characteristics of the relative space position between a ballistic missile and an early warning satellite during detection, a centric motion model of the ballistic missile and the early warning satellite are ...
Taotao Zhang, Weiyi Chen, Dengjian Fang
doaj   +1 more source

Dual-steering mode based on direct yaw moment control for multi-wheel hub motor driven vehicles: Theoretical design and experimental assessment

open access: yesDefence Technology, 2022
One of the main challenges for multi-wheel hub motor driven vehicles is the coordination of individual drivetrains to improve mobility and stability in the steering process.
Zheng Zhang   +3 more
doaj   +1 more source

Assessing the Predictive Performance of Two DNN Models: A Comparative Analysis to Support Reusing Training Weights for Autonomous Aerial Refueling Missions

open access: yesIEEE Access, 2023
The United States Navy aims to enhance its fleet by expanding the deployment of unmanned aircraft in carrier air wings. However, certifying the autonomous refueling of unmanned aerial platforms currently lacks a publicly available method.
Violet Mwaffo   +2 more
doaj   +1 more source

Novichoks: The Dangerous Fourth Generation of Chemical Weapons

open access: yesInternational Journal of Molecular Sciences, 2019
“Novichoks” is the name given to the controversial chemical weapons supposedly developed in the former Soviet Union between the 1970s and the 1990s. Designed to be undetectable and untreatable, these chemicals became the most toxic of the nerve agents ...
T. C. França   +5 more
semanticscholar   +1 more source

Impact factor analysis on precision of magnetic gradient full tensor measurement system

open access: yesAIP Advances, 2021
In order to achieve a comprehensive analysis of the influencing factors on the accuracy of the magnetic gradient full tensor measurement system, an orthogonal experimental design method is proposed to analyze the errors caused by the influencing factors.
Lei Xu   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy