Results 101 to 110 of about 6,549 (295)

Grooming reciprocation in Himalayan tahr and the cognitive constraint hypothesis

, 2023
The cognitive constraint hypothesis maintains reciprocity is rare among animals because it requires cognitive capabilities that are rare, if not absent, in animals.
Gabriele Schino, DiGiovanni M., Manzoni C., Carola Manzoni, Massimiliano Di Giovanni, Schino G.   +5 more
core   +1 more source

Leadership, Sustainability, and Performance: A Cluster‐Based Systematic Review Anchored in the Triple Bottom Line Framework

Business Strategy and the Environment, EarlyView.
ABSTRACT This study maps and synthesizes the intellectual structure of sustainability‐oriented leadership research by examining how economic, environmental, and social performance dimensions are addressed across the literature. A cluster‐based systematic literature review was conducted using data from the Scopus and Web of Science databases.
Yaprak Demirsoy, Alperen Şahin, Taşkın Dirsehan   +2 more
wiley   +1 more source

Tribological behaviors of Ni-modified citric acid carbon quantum dot particles as a green additive in polyethylene glycol

Friction, 2019
A novel green lubricating oil additive (carbon quantum dot (CQD) particle-doped nickel (Ni-CQD)) was synthesized from citric acid and nickel acetate. The effects of CQD and Ni-CQD nanoparticles on the tribological behaviors of polyethylene glycol (PEG200)
Zhiqiang Tu, Enzhu Hu, Bangbang Wang, Karl D. David, Philipp Seeger, Martin Moneke, Ralph Stengler, Kunhong Hu, Xianguo Hu   +8 more
doaj   +1 more source

Green Transformational Leadership and Corporate Environmental Performance: An Environmental Innovation Perspective From an Emerging Economy

Business Strategy and the Environment, EarlyView.
ABSTRACT We investigate the relationship of green transformational leadership (GTL) and corporate environmental performance (CEP) as an environmental strategy implementation challenge in Bangladesh's telecommunications industry. Drawing on environmental innovation theory, AMO, and social exchange perspectives, we examine the direct association between ...
Mohammad Nurul Alam, Nadine Campbell, Zaiba Ali, Hammad S. Alotaibi, Muhammad Tanveer   +4 more
wiley   +1 more source

Cyclic Fatigue of Rotary Versus Reciprocating Endodontic Files: An In Vitro Study of Engine-Driven Endodontic Files

Dentistry Journal
Background/Objectives: Instrument fracture remains a significant complication in endodontics. This study compared the resistance to cyclic fatigue failure between rotary and reciprocating nickel–titanium file systems, as well as differences related to ...
Sverre Brun, Andrine Rebni Kristoffersen, Malene Nerbøberg Solsvik, Marit Øilo, Inge Fristad   +4 more
doaj   +1 more source

Complex Adaptive Systems and the Evolution of Reciprocation [PDF]

, 1998
Complex adaptive systems play a major role in the theory of reciprocal altruism. Starting with Axelrod's celebrated computer tournaments, a wide variety of computer simulations show that cooperation can evolve in populations of selfish agents, both with ...
Sigmund, K.
core  

Effect of reciprocation usage of nickel-titanium rotary files on the cyclic fatigue resistance

, 2013
The use of reciprocating motion for a nickel-titanium file has been claimed to increase its resistance to fatigue in comparison to continuous rotation.
이우철, Hwang, You-Jeong, Kim, Hyeon-Cheol, You, Sung-Yeop, Lee, WooCheol   +4 more
core   +1 more source

Internal Marketing of Sustainability: Nonmanagerial Employees' Perspectives in the Hospitality Sector

Business Strategy and the Environment, EarlyView.
ABSTRACT Sustainable business practices are widely promoted in hospitality, yet a persistent gap persists between sustainability strategies and their implementation in daily operations. This study focuses on the sustainability strategy–implementation gap by examining how nonmanagerial employees, responsible for operational delivery, perceive and ...
Zivai Machaka Mare, Humeyra Dogru Dastan
wiley   +1 more source

Impact of Metallurgical and Geometric Features on the Cyclic Fatigue Strength of Reciprocating Endodontic Files

Dentistry Journal
Background: Nickel–titanium (NiTi) endodontic instruments have undergone significant improvements in heat treatment processing and geometric design, aimed at enhancing flexibility, cutting efficiency, and fatigue strength.
Abayomi Omokeji Baruwa, Francisco M. Braz Fernandes, Jorge N. R. Martins   +2 more
doaj   +1 more source

Influence of motion pattern on apical transportation and centering ability of WaveOne single-file technique in curved root canals

Dental Research Journal, 2016
Background: The aim of this study was to evaluate apical transportation and centering ability of single-file instruments, WaveOne primary, with full rotation versus reciprocation movement using cone-beam computed tomography (CBCT) analysis in curved ...
Mandana Naseri, Payam Paymanpour, Ali Kangarloo, Sahar Haddadpur, Omid Dianat, Mohammad Ali Ketabi   +5 more
doaj   +1 more source