Sentence examples for da is difficult from inspiring English sources
Consequently, DA is difficult to assess and quantify.
Even when the DA is black, it is difficult to know how they will approach issues such as the death penalty.
Due to their widespread arborization patterns, the anatomy of single DA neurons was difficult to untangle.
As the name suggests, access by car is difficult; hotels in Ilha da Croa and nearby Tabuba rent dune buggies to go there.
The disease is difficult to detect before an incurable loss of midbrain dopaminergic (DA) neurons has already taken place.
However, in vivo imaging of DAT as a tool for analyzing the neuroprotective effects of DA agonists could be difficult to interpret, since DAT might be regulated by DA agonists [ 25, 48].
These VTA-DA neurons were identified by only using Ih currents (the graph on the right of panel 1 of Figure 4B) without TH staining because in dissociated DA neurons, it was difficult to fix the cell after recording for TH staining.
We added an explanation for it as follows: "Here, VTA-DA neurons were identified only using Ih currents (right of panel 1 of Figure 4B) without TH staining because in dissociated DA neurons, it was difficult to fix the cell after recording for TH staining".
Note that the estimation of the DA is, in general, a difficult problem for systems of nontrivial dimension.
Veterinary drugs such as clenbuterol (CL) and sulfamethazine (SM2) are low molecular weight (<1000 Da) compounds, or haptens, that are difficult to develop immunoassays due to their low immunogenicity.
