Results 141 to 150 of about 8,812,600 (393)

The impact of the Russia–Ukraine war on stock prices, profits and perceptions in the food supply chain

open access: yesAgribusiness, EarlyView.
Abstract The Russian invasion of Ukraine in February 2022 had profound consequences for the global economy. As both countries are major commodity exporters, the food value chain was also affected. This study investigates the impact of the invasion on stock prices, profitability and sentiments of agribusinesses along the food supply chain by using an ...
Julia Höhler   +2 more
wiley   +1 more source

Impact and promise of NASA aeropropulsion technology [PDF]

open access: yes
The aeropropulsion industry in the U.S. has established an enviable record of leading the world in aeropropulsion for commercial and military aircraft.
Bowditch, David N., Saunders, Neal T.
core   +1 more source

Efficacy and Safety of a Simple Auxiliary Liver Suspension Device in Complex Laparoscopic Hepatectomy: A Multicenter Randomized Clinical Trial

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
ABSTRACT Purpose To evaluate the efficacy and safety of a novel auxiliary liver suspension device in complex laparoscopic hepatectomy. Methods A total of 253 patients with hepatocellular carcinoma (HCC) undergoing complex laparoscopic hepatectomy at the Third Affiliated Hospital of Naval Medical University, Sichuan Provincial People's Hospital, and ...
Xiao‐Ying Zhu   +9 more
wiley   +1 more source

Solar power R and D for Air Force space requirements [PDF]

open access: yes
The requirements for improved solar power system technology for DOD satellites are reported. It is shown that the technology is required in several areas including solar cells, array blanket technology, energy storage and power system operation, and ...
Wise, J. F.
core   +1 more source

Additive manufacturing in armor and military applications: research, materials, processing technologies, perspectives, and challenges

open access: yesJournal of Materials Research and Technology, 2023
H. Colorado   +4 more
semanticscholar   +1 more source

Flexible Memory: Progress, Challenges, and Opportunities

open access: yesAdvanced Intelligent Discovery, EarlyView.
Flexible memory technology is crucial for flexible electronics integration. This review covers its historical evolution, evaluates rigid systems, proposes a flexible memory framework based on multiple mechanisms, stresses material design's role, presents a coupling model for performance optimization, and points out future directions.
Ruizhi Yuan   +5 more
wiley   +1 more source

Advanced space system concepts and their orbital support needs (1980 - 2000). Volume 1: Executive summary [PDF]

open access: yes
The likely system concepts which might be representative of NASA and DoD space programs in the 1980-2000 time period were studied along with the programs' likely needs for major space transportation vehicles, orbital support vehicles, and technology ...
Bekey, I., Mayer, H. L., Wolfe, M. G.
core   +1 more source

A Review on Recent Trends of Bioinspired Soft Robotics: Actuators, Control Methods, Materials Selection, Sensors, Challenges, and Future Prospects

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This article reviews the current state of bioinspired soft robotics. The article discusses soft actuators, soft sensors, materials selection, and control methods used in bioinspired soft robotics. It also highlights the challenges and future prospects of this field.
Abhirup Sarker   +2 more
wiley   +1 more source

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