The phrase "availability and extent of" is correct and usable in written English.
It can be used when discussing the presence and range of something, such as resources, services, or information.
Example: "The availability and extent of renewable energy sources are crucial for sustainable development."
Alternatives: "accessibility and range of" or "presence and scope of".
To survey American anesthesiology residency program directors to determine the availability and extent of training in peripheral nerve block techniques.
Two important environmental controls on the quantity and quality of salt marsh outwelling are light availability and extent of inundation (Hemminga et al. 1992 , 1993 Kathilankal et al. 2008).
We show that such adoption decisions were consistently and most significantly predicted by farm size, extension contacts, education, participation in field demonstrations, complementary input availability, and extent of commercialization.
A self-reported questionnaire was presented to the subjects to collect information on the availability and extent of informal care.
The availability and extent of prescription drug insurance can influence the use of medicines and thereby affect health outcomes and health services utilization [ 1, 2].
Thus, collectively, these observations confirm that mTOR is responsive to glucose and aminoacids, and that its activity positively correlates with nutrient availability and extent of cell death in serum-deprived Phoenix cells.
In problems of structural safety analysis, depending upon the nature and extent of availability of empirical data, uncertainties could be quantified by using probabilistic and/or non-probabilistic models.
The oral bioavailability in terms of rate and extent of availability is far greater for nutrients in encapsulated form with enhanced pharmacokinetic properties in vivo than the free form.
Birkett (2003) defined bioequivalence by stating that, "two pharmaceutical products are bioequivalent if they are pharmaceutically equivalent and their bioavailabilities (rate and extent of availability) after administration in the same molar dose are similar to such a degree that their effects, with respect to both efficacy and safety, can be expected to be essentially the same.
Others are artistic and programmatic quality, relationship of the request to the organizational mission, managerial and fiscal competence, nature and extent of interpretive efforts, availability of comparable services in the area, and the extent of earned revenue or other support.
The availability of the water-oil interface plays a key role in determining the rates and extent of degradation.
