The phrase "availability of sources" is correct and usable in written English.
It can be used when discussing the accessibility or presence of various resources or references in a particular context, such as research or information gathering.
Example: "The availability of sources on this topic has significantly improved with the advent of digital libraries."
Alternatives: "accessibility of resources" or "presence of references."
The country was not fully exploiting its renewable energy potential, despite the wide availability of sources and its legal commitments to energy transition and climate change mitigation.
Consequently, one of the major constraints on chalk grassland restoration is the availability of sources of potential colonists in the landscape.
Weather conditions and availability of sources for temperature regulation were identified as essential factors for the selection of geographic locations and for microalgal cultivation systems based on environmental criteria.
Uncertainties involved in designing an effective IRES based power generation system for isolated areas is accounted due to highly dynamic nature of availability of sources and the demand at site.
includes economic factors such as demand for the product/service, competition, physical space for expansion in city area, financing planning services, training providers and availability of sources for finance; ( {varepsilon}_i ) represents the stochastic error term.
Details of the data collection will be tuned to the local situations and availability of sources.
The variability of animal-sourced heparin and heparan sulfates, their inherent impurities, the limited availability of source tissues, the poor control of these source materials and their manufacturing processes, suggest a need for new approaches for their production.
He adds: "Many people seem to assume that availability of source code under an open source license implies that there are no additional costs, or that the code has properly secured necessary intellectual property rights from all rightful owners.
This large vertical habitat for gas and the additional availability of source material indicate that considerable gas may have been formed and still remains undiscovered.
Understandably, each of these investigations is rooted in deep convictions partly based on scientific facts and the remaining filled with extrapolated scientific imaginations about the early Earth scenarios and the availability of source materials that could/would lead to the building blocks of, and eventually to, DNA and RNA.
Therefore, the energy availability of source node can be approximately expressed as Pr A 0 ≈ Φ M 0 + 0.5 - Λ t Λ t, M 0 ≥ 0, 0, M 0 < 0. (39).
