The phrase "available portion" is correct and usable in written English.
It can be used to refer to a part of something that is accessible or can be utilized, often in contexts like resources, data, or physical items.
Example: "Please review the available portion of the report before our meeting."
Alternatives: "accessible part" or "usable segment".
As a first line of defense, Democrats are pushing to allocate the available portion of the federal budget surplus in equal thirds: to tax cuts, additional spending and a reserve that could go to debt reduction and shoring up Social Security and Medicare.
The potential quantities of bio-wastes produced from the village resources and their available portion for biogas production are presented in Table 1.
As the number of co-existing systems increases, the available portion of subcarriers decreases accordingly, and the average sum rate of S-RINA decreases significantly.
Seitzinger and Sanders (1997) suggested that in estuaries with residence times on the order of weeks to months, such as Delaware Bay, river inputs of the biologically available portion of dissolved organic nitrogen (DON) are first utilized within the estuary.
They will also have more restrictive rules around the use of capital, and be prepared for the available portion of the line to be lower than your cash on hand.
The results showed that increasing the size of available portions did not significantly affect the relative size selected; across all portion sets, subjects chose the smallest available portion at 59% of meals, the medium at 27%, and the largest at 15%.
By the Republicans' count of the publicly available portions of Mr Clinton's January 17th testimony, the president's memory failed him some 267 times.
The main task of spectrum sensing technology is to detect the available portions of radio spectrum for further efficient spectrum resource allocation.
Asked about infiltration of houses of worship and monitoring of religious services - both of which were significant components of the FBI's investigation - Ms. Berchtold directs me to the publicly available portions of the Domestic Intelligence and Operations Guidelines (DIOG).
In addition, a number of EPA ecoregions present in inaccessible areas were not represented at all in available portions of large basins (Table 2).
When available, one portion was used for isolation of tumor infiltrating lymphocytes and the remaining portion was used to set up primary tumor cell cultures.
