The phrase "and not usable for" is correct and usable in written English.
You can use it to indicate that something cannot be used for a specific purpose or function.
Example: "This software is outdated and not usable for modern operating systems."
Alternatives: "and not suitable for" or "and not applicable for".
Amplitude at the first resonance frequency in solution was extremely low (A 0 < 1 nm) even with maximal driving voltage (10 V) and was not usable for measurements.
However, this database is only used for age estimation and is not usable for gait recognition because only a single gait energy image (GEI) feature is available for each subject.
As a note, in our hand primary leukemia cells do not engraft readily in animals and were not usable for defining an effect of MegaFasL (data not shown).
Alternative approaches, as fluoroscopy, are too invasive and not usable during extended lapses of time, either for cost or radiation exposure.
The contents of the urns — ash and bone — are not usable for DNA identification, he said.
"We do not store complete credit card details on the website; any credit card details that may have been accessed had a series of numbers hidden and therefore are not usable for financial transactions," TalkTalk said.
Find one that is cute and that is not usable for anything else.
The sample of the hemorrhagic shock and obstructive shock was not usable for this calculation.
A weak point in our study is that the data on fluoro and procedure times were not usable for the experienced surgeons due to a defect of OR equipment (C-arm) in one of the cadaveric tests that influenced measurements.
However, direct field observation and informal interview indicated that the scarcity of forest products for household consumption forced the local population to plant trees around homesteads and protect forests in areas not usable for agriculture in recent times.
