"It's difficult to designate a specific point in time when they'll be able to do this," Austin said, offering instead "incremental" evidence of Kurdish success and an Iraqi division's advance toward Ramadi in support of a division already there.
It is difficult to designate one type of event as the pace-setter but certainly the corporate parties are in the vanguard.
One striking benefit of the O-GlcNAc oxonium ion and its fragments is that they can serve as diagnostic ions for the presence of O-GlcNAc on certain peptides, although it would be difficult to accurately designate sites by using CID or HCD alone especially when there are more than one Ser/Thr residues in the peptide sequence.
In the absence of designated resources, effective evaluation efforts may be difficult to conduct.
Keep in mind that wax can be difficult to clean--you may want to purchase a cheap, heat-safe pot that you designate specifically for making candles.
Because the ileocecal region includes the area from the distal ileum to the cecum, it is often difficult to designate the ileocecal region as part of the small or large intestine.
When the behaviour of a neoplasm is difficult to predict, it is designated as being of "undetermined malignant potential," or "borderline".
In the case of small seedlings of Lindernia dubia, Ludwigia palustris, and Lythrum, which were difficult to distinguish, seedlings were designated as 'dicots', and an undisturbed patch was left to grow; once identified, the ratio between species was calculated and the number of each determined.
This is because for those with lower CRF it is difficult to achieve absolute CPM commonly used to designate moderate or vigorous PA intensity (i.e. 3-6METs) [ 26].
