Sentence examples for be difficult to sample from inspiring English sources
Urinary nitrogen from marine mammals would disperse diffusively and advectively, and the amount released would be difficult to sample quantitatively.
Naturally, it will be difficult to sample very low-abundance organisms, or to sample deeply enough to detect minor genomic variations.
Multiple crypts surrounded each crypt, and even if two adjacent crypts were recently related, it would be difficult to sample the appropriate partners.
Firstly, not all genes are expressed in all developmental stages and cell types, and for many taxa, it may be difficult to sample sufficient transcriptional libraries to obtain representation of all genes.
However, ΔG* can not be quantified because we did not sample the pore water chemistry within Al-CSH, whish is difficult to sample directly.
However, it is difficult to sample a large number of farms from an exact predefined list, due to the logistics and workflow of an abattoir.
Fusaiumin A (Fig. 1) is a molecule that contains a large number of potentially rotatable bonds, leading to a complex conformational space that is difficult to sample.
For inorganic compounds, and some organic compounds that are difficult to sample using SPME, other sampling and analytical techniques may be more useful, from direct detection to various types of separation techniques [35].
Surveys with BRUVS offer a standardized, non-extractive technique for quantifying the spatial distribution of mobile species that are difficult to sample using conventional techniques across broad spatial scales.
It is difficult to sample BRDF features from the ground because of the discontinuous nature of the canopies and long intrinsic length scales in remotely sensed spectral measures (>10 m).
This is a potential weakness of our study, but in general, it is difficult to sample metastatic brain tumors by surgical operation because patients with HER2-positive breast cancer and metastatic brain tumors are usually treated with systemic chemotherapy.
