Sentence examples for difficulty of collecting a from inspiring English sources

Assessing the accuracy of land cover maps is often prohibitively expensive because of the difficulty of collecting a statistically valid probability sample from the classified map.

However, for bovine NS there is no information on the composition of the secretion, possibly due to the perceived difficulty of collecting a sufficient volume of NS for analysis.

Because of the unknown waterbird population size and the difficulty of collecting all positive cases, transmission dynamics models are rare in wild waterbird populations.

In particular, the λ-measure is applied to reduce the difficulty of collecting information via a designed bisection search algorithm.

Previous research has shown that in many African countries, one of the challenges that have hindered efforts to implement comprehensive social health insurance is the difficulty of collecting contributions due to a high proportion of the population in the informal sector [ 3, 9].

The methodology adopted reflects the difficulty of collecting original data over such a long period of time and in a post-conflict setting, where information is scarce and difficult to retrieve [ 22].

However, magnetization analysis on APB remains challenging due to the difficulty of collecting magnetic information from such a nanometer-scale interface region.

Because of the difficulty of collecting specimens of Remipedia, only a low number of specimens were available.

This limitation has resulted in small sample size of discovery stage and a difficulty of collecting samples for replication analysis.

These items were excluded from the data collection from CESAR trial patients due to the practical difficulty of collecting data and due to the lack of a well-defined methodology available at the early stages of planning the CESAR trial.

Due to the difficulty of collecting and maintaining deep-sea organisms alive, a first step would be to understand the effects of high hydrostatic pressure and low temperatures on heavy metal toxicity using shallow-water relatives of deep-sea species.