Sentence examples for proved difficult to use from inspiring English sources

In the 2004 Presidential elections, many voters waited in line for hours, only to be confronted with machines that proved difficult to use and may have switched or deleted their votes.

The unit was a major improvement on the units installed in previous Salyut stations, but proved difficult to use due to the amount of time required to set up, use, and pack it away.

However because these subdivisions have proved difficult to use in practice, Curbow has suggested that 'The self concept is best viewed as a collection of self representations' some of which will be core conceptions and some will be more peripheral, and that self-concept is dynamic: active, forceful and capable of change [ 13].

However, while α-GalCer remains one of the most potent iNKT cell agonists and has shown potential in the treatment of various conditions, it may prove difficult to use this molecule widely as a useful therapeutic agent, at least as a direct activator of iNKT cells.

Currently, stem cells are proving difficult to use and manipulate, and there are well-publicized objections relating to the use of human embryos.

Despite these favorable effects, PAV can prove difficult to use in the clinical setting.

Objects that proved difficult to disinfect using the Nanoclave Cabinet (e.g. blood pressure cuff) were also difficult to disinfect using antimicrobial wipes.

Solid Freeform Fabrication (SFF) gives engineers a new freedom to build parts that have thus far proved difficult to manufacture using conventional machining.

The experimental activity coefficients, γA and γB, proved difficult to correlate using the commonly utilized Gibbs excess energy models, with best results obtained from the T K Wilson equation.

Less heat also meant less air to move out of the case for cooling during normal operations; the Mac Pro was very quiet in normal operation, quieter than the much noisier Power Mac G5, and proved difficult to measure using common sound pressure level meters.

However, accurate (i.e. avoiding mis-identification) and consistent (level of taxonomic identification e.g. family/genus/species) taxon identification has proved difficult to achieve using traditional morphological approaches.