Sentence examples for cannot be ascertained by from inspiring English sources

It has been found out that the true workability of SFC cannot be ascertained by the slump tests as the fibers significantly affect the rheology of fresh concrete.

Sequencing short tandem repeat (STR) loci allows for determination of repeat motif variations within the STR (or entire PCR amplicon) which cannot be ascertained by size-based PCR fragment analysis.

The pharmacological action of the plant cannot be ascertained by the result of phytochemical studies only.

Ambulatory blood pressure monitoring (ABPM) is useful for the identification of phenotypes that cannot be ascertained by blood pressure (BP) measurements in the clinic setting.

However, since many of the homeobox and morgenetic proteins (Table  4) are homologues of proteins with functions ascribed to higher organisms, their precise function in A. digitifera cannot be ascertained by KEGG orthology alone.

Whether the mitochondrial recovery seen here in association with survival is driving the improvement in the patient's health status or whether it is a consequence of such improvement cannot be ascertained by our study.

He continued: 'Those disposed to question the utility of such returns may be reminded that, without such information as they would furnish, the mortality due to the process of childbearing cannot be ascertained year by year with the desirable precision'.

Second, without a control treatment, it cannot be ascertained whether the results were influenced by a number of potential confounding variables associated with participating in the study, including the demand or expectancy effects associated with volunteering for an exercise study for insomnia, the social interaction between the participants and staff, and spontaneous remission.

For example, osteoporosis defined by bone densitometry cannot be ascertained in an HIS, whereas the outcome of osteoporosis (i.e. fragility fracture) can be.

Finally, despite every attempt to ensure clarity of the questionnaire (pilot testing), it cannot be ascertained that all questions were well understood by nurses; especially among those with lower levels of education.

However, due to entrainment of room air and varying contributions from mouth breathing, the actual delivered NO level by nasal or nasopharyngeal cannulae cannot be ascertained with accuracy.