Results 81 to 90 of about 422,875 (282)
Voices From the Coast: Stakeholder Participation and Perception on Creating a Marine Protected Area
Business Strategy and the Environment, EarlyView.ABSTRACT This study explores participatory processes in the context of marine conservation, with a specific focus on recent initiatives undertaken by the Apulia region in Italy to establish a new Marine Protected Area (MPA). Employing a qualitative cross‐sectional methodology, the study investigates how local communities perceive and engage with the ...
Giampiero Palazzo +3 more
wiley +1 more source
Meshing Characteristic Analysis of the Gear Rack Drilling Rig Hoisting System
Jixie chuandong, 2015 The gear rack drilling rig hoisting system adopts statically indeterminate structure design,in the process of drill-down and lifting,the loading asymmetry influences the synchronism of gear rack meshing movement.Therefore,it is very important to study ...
Lei Na +3 more
doaj
Journal of EngineeringOverheating is a common issue in a nonparallel helical gearing system. The reason is the high friction, sliding velocity, and tangential force that occurs between meshed gear teeth.
Mohammed Abdulaal Kadhim +1 more
doaj +1 more source
Propulsion and Power Research, 2020 Transmission error (TE) in geared rotors is a predominant source of inherent excitation at the pitch point of the gear meshing. In this paper, a transverse vibration analysis is presented to study the effect of TE on geared rotors.
Bhyri Rajeswara Rao, Rajiv Tiwari
doaj +1 more source
Chemistry – A European Journal, EarlyView.Ni2 bispincer complexes with an embedded central imido anchor are presented. The bispincer complexes leverage the high basicity of imido ligands to facilitate 1,2 addition of weak B─H and Si─H bonds, resulting in hydrido–amido complexes and resultingly a contortion of a Ni─Ni sigma bond to form an S = 1 species. The 1,2 addition is proposed to serve as
David de los Santos +2 more
wiley +1 more source
Jixie chuandong, 2014 According to the processing method and meshing theory,the equation of the asymmetric face gear is deduced.Asymmetric and symmetric face gear drive model are established by Pro/E, the analysis is carried out through importing them to ABAQUS.The material ...
严宏志 +4 more
doaj
Applied SciencesThis study proposes an asymmetric pitch control technique for electric oil pumps with symmetric gear-type pumps in order to reduce noise and vibration. For vane pump noise reduction, mechanical asymmetric pitch arrangements of each vane are widely used ...
Chinchul Choi
doaj +1 more source
Study on Influence of Spalling Fault Evolution on Meshing Stiffness of Spur Gear
Jixie chuandong, 2021 As a key transmission mechanism in mechanical equipment，in the meshing transmission process of involute spur gears，under the influence of extreme working conditions，the tooth surface is easy to cause spalling defects，change the meshing rigidity of gear ...
Peng Dai +5 more
doaj
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT This research investigates how sustainability‐oriented initiatives aimed at innovating a firm's business model can lead to different economic, social and environmental performance configurations, with the objective of identifying the determinants that explain these differences. We carried out a multiple case study, selecting firms based on the
Paolo Di Toma +3 more
wiley +1 more source
Chinese Journal of Mechanical Engineering, 2020 The current automatic scallion-transplanting machine is a complicated mechanism composed of two linkage mechanisms and two band carriers. It delivers seedlings inefficiently because of the movement limitations of the linkage mechanism.
Xiong Zhao +4 more
doaj +1 more source