Results 21 to 30 of about 690,138 (305)

Preparation of NiCoCrAlYTa/Ag/Mo composite self-lubricant coating and its high-low temperature cycling tribological properties

Journal of Aeronautical Materials, 2023
In order to develop a self-lubricating coating with long life and high reliability suitable for harsh working conditions, the composite coating with NiCoCrAlYTa as matrix phase, Ag as lubricant phase and Mo as the reinforcing phase were prepared by high ...
HAO Enkang, CHEN Jie, LIU Guang, CUI Lang, WANG Xiaoxia, WEI Liankun, AN Yulong   +6 more
doaj   +1 more source

Research on a matching detection method for magnetic anomaly of underwater targets

AIP Advances, 2023
In the field of aviation anti-submarine warfare, magnetic detection systems often result in a large number of false alarms due to the inability to effectively distinguish between a local geomagnetic anomaly in the background field and a target magnetic ...
Yifei Liu, Ning Zhang, Zhangsong Shi, Hongcan Gu   +3 more
doaj   +1 more source

License to Kill: An Analysis of the Legality of Fully Autonomous Drones in the Context of International Use of Force Law [PDF]

, 2019
We live in a world of constant technological change; and with this change, comes unknown effects and consequences. This is even truer with weapons and warfare.
Figueroa, Andrew
core   +2 more sources

Range Intensity Profiles of Multi-Slice Integration for Pulsed Laser Range-Gated Imaging System

Photonics, 2022
Pulsed laser range-gated imaging (PLRGI) is one of the most effective methods to achieve underwater high-resolution imaging. When searching target, there are two methods can be used: fixed gate and sliding gate.
Hongsheng Lin, Hongwei Han, Liheng Ma, Zhichao Ding, Dongdong Jin, Xiaohui Zhang   +5 more
doaj   +1 more source

Ownership-dependent mating tactics of minor males of the beetle Librodor japonicus (Nitidulidae) with intra-sexual dimorphism of mandibles [PDF]

, 2007
Intra-sexual dimorphism is found in the weapons of many male beetles. Different behavioral tactics to access females between major and minor males, which adopt fighting and alternative tactics, respectively, are thought to maintain the male dimorphism ...
AP Bridge, AP Moczek, DJ Emlen, DJ Emlen, J Hunt, JC Pomfret, JL Rasmussen, JL Tomkins, JS Kotiaho, K Okada, KB Miller, Kensuke Okada, LW Simmons, M Andersson, M Enquist, MR Gross, MT Siva-Jothy, NB Davies, R Thornhill, RJ Knell, RR Jackson, RS Hanley, SK Goldsmith, SM Shuster, Takahisa Miyatake, WG Eberhard, WG Eberhard, WG Eberhard, WG Eberhard, WG Eberhard, WG Eberhard, WR Rice, Y Hongo, Y Hongo   +33 more
core   +1 more source

An underwater discharge shockwave separation method based on minimum-phase cepstrum

AIP Advances, 2021
Underwater discharge sound sources are widely utilized. The acoustic signals generated by underwater discharge consist of shock waves and bubble pulsations.
Liang Qiao, Xiaobing Zhang, Bing Yan, Yang Liu, Zhen Han   +4 more
doaj   +1 more source

Experimental investigation of the natural convection heat transfer characteristics of cylinder walls with a DBD actuator as the heat source

Case Studies in Thermal Engineering, 2022
Conventional electric heating methods applied when evaluating the natural convection heat transfer parameters at the outer walls of cylinders produce uneven heat flows and large measurement errors.
Qijin Zhao, Baoquan Mao, Chunlin Chen, Zili Liao, Xinxi Zhang, Xianghua Bai, Luming Chen   +6 more
doaj   +1 more source

Postcard from a Canadian Supporter to Geraldine Ferraro [PDF]

, 1984
Postcard from a Canadian supporter to Geraldine Ferraro. Author is concerned about nuclear weapons. Postcard has handwritten notes.https://ir.lawnet.fordham.edu/vice_presidential_campaign_correspondence_1984_international/1227/thumbnail ...
Ferraro, Geraldine
core   +3 more sources

Image enhancement for underwater range-gated image with multi-slice integration method

AIP Advances, 2022
Active illumination underwater brings the backscatter problem. The traditional pulsed laser range-gated imaging (PLRGI) system uses a small gate width to suppress most of the backscattered light.
Hongsheng Lin, Hongwei Han, Liheng Ma, Xiaohui Zhang, Zhang Xiong   +4 more
doaj   +1 more source

Real-Time Energy Management Strategy of Multi-Wheel Electric Drive Vehicles With Load Power Prediction Function

IEEE Access, 2021
The lack of a load power prediction function in conventional multi-wheel electric drive vehicles leads to lags in control action. To address this issue, we developed a real-time energy management strategy with improved load power prediction accuracy ...
Luming Chen, Xiaojun Ma, Shuguang Wei, Dong Yuan   +3 more
doaj   +1 more source