Results 121 to 130 of about 219,447 (300)
Right to Food in Sub‐Saharan Africa: Challenges, Policies, and Sustainable Strategies
Sustainable Development, EarlyView.ABSTRACT This article examines the multifaceted issue of food security in Sub‐Saharan Africa and the critical importance of upholding rights to food in the region. It explores the challenges posed by food insecurity, analyzes existing policies and interventions, and proposes sustainable strategies to enhance food security.
Helen Onyeaka +6 more
wiley +1 more source
Hangkong gongcheng jinzhanThe landing-gear retracting and releasing，and braking system of unmanned aerial vehicle（UAV）plays a crucial role in the process of takeoff，landing，and braking of UAVs.
ZHANG Haoji
doaj +1 more source
Strategic Management Journal, EarlyView.Abstract Research Summary Despite the importance of resource reallocation in shaping a variety of strategic outcomes, strategy scholars have paid only limited attention to the processes by which firms reallocate their resources across successive systemic innovations.
Gino Cattani +2 more
wiley +1 more source
steel research international, EarlyView.High Nb (2.4 wt.%) addition to Maraging 300 steel drives lattice distortion and nanoscale Nb–Mo‐rich precipitation, confirmed by energy‐dispersive X‐ray spectroscopy mapping (Mo ~5.4 wt.%, Nb ~2.5 wt.%). Nanoindentation reveals strong matrix hardening (H >4.8 GPa) at 480°C aging, while 560°C induces ~1.92 vol.% reverted austenite, enabling tunable ...
Laylla Sharon B. Peixoto +9 more
wiley +1 more source
Hi-wing aircraft landing gear design
, 2022 This diploma thesis deals with the design of the main retractable landing gear for a small high-wing aircraft. In the thesis there is made a kinematic solution of the main landing gear retraction, it’s conceptual and structural design and also selection ...
Skutil, Marek
core
Effect of Different Surface Treatments on Resistance to Abrasive Wear of AISI 4140 Steel
steel research international, EarlyView.This study investigates how different surface treatments affect resistance to abrasive wear of AISI 4140 Steel. The wear rate was significantly higher in samples subjected to conventional treatments than in samples coated using the HVOF process, demonstrating the superior efficiency of coatings applied by thermal spraying in mitigating abrasive wear ...
Everton Freitas de Oliveira +3 more
wiley +1 more source
, 1956 Information on landing gear stresses is presented on the following: vibratory phenomena, tangential forces applied to landing gear, fore and aft oscillations of landing gears, examples of fatigue failures, vibration calculations, and improvement of ...
Gentric, A.
core
Embedded Interactions and Selective Disclosure: Network Effects on Conversations aboard Skylab
Symbolic Interaction, EarlyView.How do absent others influence our interactions? We argue in this paper that interactions are embedded within networks formed by chains of specific relationships between known third parties. The anticipation of future interactions with external others conditions our interpretation of the current situation and affects our behavior in the interaction. We
Michael Schultz +2 more
wiley +1 more source
Wear analysis of finger locks with different design parameters for landing gear. [PDF]
Sci Prog, 2020 Hou Y, Zhang M, Nie H.
europepmc +1 more source
AerospaceAs an advanced design technology for large wide-body airliners, the three-dimensional (3D) dual-sidestay (DSS) landing gear retraction mechanism can share the ground loads transferred by the landing gear, reducing the load on the wings.
Zhipeng Zhang +4 more
doaj +1 more source