Sentence examples for difficulty of observing from inspiring English sources

The incubation period is not well known, due to the difficulty of observing nests, but observations indicate around 30 days from laying to hatching.

The incubation period is poorly known because of the difficulty of observing nests, but one observation suggested around 23 days from laying to hatching.

These redshifts correlate well with the difficulty of observing such galaxies with redshift - currently at z < 0.9 observations are straightforward, at 0.9 < z < 1.2 observations are possible but increasingly difficult, and at z > 1.2 observations rapidly become extremely difficult.

Given the difficulty of observing documentation procedures in the rush to dispose of the dead, it was considered unlikely that a definitive total would ever be established.

Determining when a slope will fail is a considerably more difficult challenge, largely due to the difficulty of observing or predicting the processes of material strength degradation.

Pore space geometry and topology influence flow through media, but the difficulty of observing the configurations of real pore spaces limits understanding of their effects.

Because of the practical difficulties of observing this often once-in-a-lifetime event, studying the transfer phase of dispersal remains especially difficult.

At any rate, for a fully consequent Darwinian, life had a non-miraculous, spontaneous beginning on this planet in the distant past, despite the difficulty or even impossibility of observing such spontaneous generation under extant laboratory conditions.

Despite the difficulty of determiningwhether observed cascades are generated by a real influence effect [16]unlessss performing controlled experiments [17]), the role of influence in social network dynamics is widely recognized,albeit not fully understood.

The presence of a residual layer found at the edge or on the surface of nanomaterials increases the difficulty to observe the essential characteristics of ZnO.

Also, understanding the relative advantages and limitations of the various enzyme DNA hydrolysis cocktail protocols is critically important because of the potential difficulty in observing certain types of adducts resulting from incomplete enzyme hydrolysis.