The phrase "absence of demonstrating" is correct and usable in written English.
It can be used in contexts where you want to indicate a lack of evidence or proof of something being shown or exhibited.
Example: "The absence of demonstrating clear results in the study raises questions about its validity."
Alternatives: "lack of evidence" or "failure to show".
In the absence of demonstrated arbitrary or discriminatory regulation, state courts and legislatures should be left to govern their own Bars, free from interference by this Court.
However, the clinical significance of these changes is uncertain and in the absence of demonstrated benefit it is likely that many of these interventions were not beneficial.
Curiel goes on to question, more generally, the ranking of approaches to quantum gravity given what he views as the absence of demonstrated scientific merit in any of them: elegance and consistency might well be merits of a scientific theory, but they do not count as scientific.
So, in the absence of demonstrated safe limits, total abstinence from ethanol during pregnancy is recommended and should be encouraged [ 23].
The debate regarding the toxicity of oxygen and the formation of free radicals continues despite the absence of demonstrated effectiveness of scavenging therapies, and is a testament to the incomplete understanding of this area.
In the absence of demonstrated brain destruction, withdrawing aggressive therapy for SE because the staff or family is exhausted by the strain of prolonged treatment would likely result in another example of self-fulfilling prophecy.
Although this study certainly does not provide evidence precluding the use of inhaled β2 adrenergic agonists in the ICU, any routine use in the absence of demonstrated airflow obstruction should be reconsidered.
The absence of evidence demonstrating differences between medicines does not necessarily mean that there are no actual differences.
As for creams and "natural estrogen" formulations, Dr. Hays refers women to the Food and Drug Administration's warning that in the absence of studies demonstrating that such options are safer than estrogen, their safety cannot be assumed.
The San Nicolas Island population has a near absence of variation, demonstrating a unique genetic flatlining that is punctuated by heterozygosity hotspots, enriched for olfactory receptor genes and other genes with high levels of ancestral variation.
As a proof of fact, the reactions were performed in the absence of catalysts, demonstrating the efficiency of our catalytic species, since no reaction was observed in the background processes (< 5%).
