Sentence examples for it is difficult to exclude from inspiring English sources
Water, forests, fisheries, biodiversity, oceans and the atmosphere are all, in important ways, common pool resources; it is difficult to exclude people from using them, but some of that usage depletes their availability to others.
However, it is difficult to exclude the presence of any thin oxide layer surrounding the Si-ncs which is necessary to saturate the dangling bonds on the surface or surrounding of the Si-ncs.
Thus, as the neutral Na layer and E S layers may share a common origin in the atmospheric wind system, it is difficult to exclude E S layer influence on the sodium distribution.
However, considering the number of observations (77), the number of analysed terms (20), the number of lags included in the transfer functions (12) and seasonal adjustments, it is difficult to exclude the possibility that the low number of statistically significant connections at specific lags may result from statistical error.
However, it is difficult to exclude the possibility a very few cells become progenitor cells.
Because this experiment was run in an open water system, it is difficult to exclude the first case.
Secondly, it was difficult to exclude the influence of social desirability that is often associated with self-administered questionnaire surveys.
It was difficult to exclude the diagnosis of asthma in younger patients solely on the basis of FENO measurement.
The culture for the lung lobes of this dog was negative; however it was difficult to exclude the possibility of aspiration pneumonia secondary to vomiting.
Because it was difficult to exclude children with experiences from earlier needle procedures, the goal was to avoid children who already had adjusted to a hospital stay with multiple medical procedures.
However, it was difficult to exclude the possibility that the positive reaction to sugammadex might have been a non-specific cutaneous irritant effect, because of the lack of a positive control skin test with histamine.
