Resource Management Challenges in the Next Generation Cloud based Systems: A Survey and Research Directions

Author(s):  
Ragaa A. Shehab ◽  
Mohamed Taher ◽  
Hoda K. Mohamed
2017 ◽  
Vol 14 (9) ◽  
pp. 72-79 ◽  
Author(s):  
Haitao Xu ◽  
Yuqiong Cao ◽  
Shengsong Yang ◽  
Xianwei Zhou

Materials ◽  
2019 ◽  
Vol 12 (22) ◽  
pp. 3733 ◽  
Author(s):  
Maning Liu ◽  
Anastasia Matuhina ◽  
Haichang Zhang ◽  
Paola Vivo

Colloidal halide perovskite nanocrystals are promising candidates for next-generation optoelectronics because of their facile synthesis and their outstanding and size-tunable properties. However, these materials suffer from rapid degradation, similarly to their bulk perovskite counterparts. Here, we survey the most recent strategies to boost perovskite nanocrystals stability, with a special focus on the intrinsic chemical- and compositional-factors at synthetic and post-synthetic stage. Finally, we review the most promising approaches to address the environmental extrinsic stability of perovskite nanocrystals (PNCs). Our final goal is to outline the most promising research directions to enhance PNCs’ lifetime, bringing them a step closer to their commercialization.


2001 ◽  
Vol 43 (9) ◽  
pp. 263-272 ◽  
Author(s):  
P. Oliver

The work of catchment management groups throughout Australia represents a significant economic and social investment in natural resource management. Institutional structures and policies, the role of on-ground coordinators, facilitation processes, citizen participation and social capital are critical factors influencing the success of catchment management groups. From a participant-researcher viewpoint, this paper signposts research directions and themes that are being pursued from the participant/coordinator, catchment group, and lead government/non-government agency perspective on the influence of these factors on the success of a catchment management group in the Pumicestone Region of Southeast Queensland, Australia. Research directions, themes and discussion/reflection points for practitioners include - the importance of understanding milieu; motivation; success; having fun; "networking networks"; involvement of "non-traditional" stakeholders; development of stakeholder/participant partnerships; learning from other practitioners; methods of stakeholder/participant representation; evaluation; the need for guiding principles or philosophy; the equivalence of planning, implementation, evaluation, and resourcing; catchments as fundamental units of Nature; continuity of support for groups; recognising a new role for government; working with existing networks; and the need for an eclectic approach to natural resource management.


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