Sentence examples for barriers to sampling and from inspiring English sources

Conforming colorings generalize many natural graph theoretic concepts, including independent sets, vertex colorings, list colorings, H-colorings and adapted colorings and consequently there are known complexity barriers to sampling and counting.

In Spain, where the Padrón constitutes a proper sample frame, researchers have kept turning to alternative (cheaper) sampling methods due to the financial and administrative barriers to obtain individual samples, and to the high cost and uncertainty associated with register-based random sampling.

To explore the barriers to stool sample collection and specimen return to ascertain which factors may help to improve the process.

The first two challenges represent logistical difficulties, and studies have mostly relied on dams or other substantial barriers to facilitate sampling efforts.

The detailed structure of the interface or the barrier layer varies both from sample to sample and from place to place in the same sample.

In the case of Spain, the financial and administrative barriers to draw and implement samples from the Padrón has also led some researchers to apply alternative sampling methods.

The highest levels of differentiation occurred among samples isolated above barriers to fish movement, and once these samples were removed, a significant effect of isolation-by-distance was observed.

This concern is of particular important in many low and lower-middle income countries, where availability of reliable population registration for sampling frame become major barriers to conduct and to obtain high quality surveys.

Studies conducted in rural areas faced additional barriers to successful collection and processing of samples.

3 Non-invasive samples eliminate some of the barriers to screening for chlamydia and gonorrhoea, because they do not need an examination and are clearly preferred by patients.

In sum, many of the relevant logistical and practical barriers to studying a large sample of older drivers longitudinally have been shown to be addressable, supporting the feasibility of completing a large prospective cohort study of older drivers.