They indicate the necessity for further research in this area, particularly into the encountered efficiency problems.
Mineral carbon sequestration is a lengthy option as compared with that of other sequestration routes, but its fundamental advantages justify the necessity for further research.
However, some perturbation of the normal functions with respect to controls in germinating tests was observed, suggesting the necessity for further research in this field.
Users' rapidly increasing demands for bandwidth and mobility in conjunction with the surge of delay-sensitive applications, creates the necessity for further research and development of new energy- and cost-effective technologies such as radio-over-fiber (RoF) and radio-and-fiber (R&F).
However, several methodological shortcomings including small sample sizes, non-randomized design of some studies and the absence of studies comparing MBCT to control groups designed to distinguish specific from non-specific effects of such practice underscore the necessity for further research.
These facts combined with our limited knowledge of OA pathogenesis, underlines the necessity for significant research efforts to enhance our knowledge concerning the disease development and progression.
Furthermore, the dearth of such studies in Saudi Arabia (we were able to find only one such study [63]), especially given the lack of assistive tools and adapted environments supporting the VI in this region [63], delineates the necessity for more research with VI users in the local context pertaining to this task.
We suspect, however, that this requires a culture shift regarding the perceived necessity for utilising research information on health issues.
Special mention must be made of the necessity for further research in biological upgrading using fungi and extra cellular enzymes.
