Sentence examples for been more difficult due from inspiring English sources
On the other hand, characterization of transition metal ion P-ATPases has been more difficult due to low quantities of these enzymes in native membranes, and extremely low concentrations of transition metal ions (e.g. copper) within intra- and extra-cellular fluids.
Some wrist rotations are more difficult due to biomechanical constraints.
Nevertheless, mathematical performance analysis of this configuration is more difficult due to traffic correlations arising from the shared resource.
"But profitability is more difficult due to the drought that started in Texas, the biggest cattle-producing state, almost five years ago and has since widened into the Midwest".
Data was collected both in DC voltage mode and laser-assisted mode (in the latter of which extracting crystallographic information is known to be more difficult due to distortions).
RCT comparison of SBRT with surgery is more difficult due to the radically different treatment arms, although successful recruitment can be possible if the lessons from previous failed trials are learned.
However, as OSNs become larger and the information on the network updates faster than the web pages, crawling is more difficult due to limitations in terms of bandwidth, politeness or etiquette, and computational power.
Outdoor experiments are more difficult due to a lot of uncontrolled variations and disturbances.
Distinguishing New Zealand fur seals from Antarctic fur seals is more difficult due to similar size, shape and coloration.
