The phrase "absence of replacement" is correct and usable in written English.
It can be used in contexts where you want to indicate that there is no substitute or alternative available for something.
Example: "The absence of replacement parts has caused delays in the repair process."
Alternatives: "lack of substitution" or "nonexistence of alternatives".
The evolution of ago-1a has clearly been driven by strong purifying selection, as detected by branch models in PAML, with extremely low values of ratios of non-synonymous to synonymous substitution rates (dN/dS or ω) and near-absence of replacements for the aphids of the subfamily Aphidinae.
The move also came in the absence of a replacement waiting in the wings, a sign of the haste with which the president and his team acted.
Trump has suggested on several occasions that, in the absence of a replacement bill, Republicans should let the current system fail to force Democrats to negotiate.
The eight-member court issued a handful of 4-4 opinions, decisions that were directly affected by the death of Justice Scalia in February and the absence of a replacement.
What hasn't changed from last year, unfortunately, is the budget's studious vagueness about the details of its proposed tax reform (it calls for lower rates and a broader base without itemizing which of the many popular deductions it wants capped or eliminated) and the absence of any replacement for a repealed Obamacare.
In the case discussed, absence of hormonal replacement (approximately 15 years) would have contributed.
Thus, during a quit attempt, particularly in the absence of nicotine replacement therapy, smokers with SAD are likely to benefit from additional treatment aimed at managing or reducing their social anxiety symptoms.
Materials and methods In this prospective randomized study, we evaluated septic critically ill patients in whom CIV was given for more than 48 h in the absence of renal replacement therapy.
