Sentence examples for becomes difficult and is from inspiring English sources

First, because the MI animals (I and DI) started the protocol with similar values for MI area and LF function and necropsy evaluations were not performed in the animals that died during the 90 days of the protocol, the prediction of survival (or mortality) based on these parameters becomes difficult and is limited to methods used in this study.

Large-scale search efforts have become difficult and are expensive.

"When we have to use this information in control order applications etc, this becomes difficult, and that's why we're seeking a number of amendments in the bill.

When divergence times become too great (>0.9 modal Ks), detection of CNSs becomes difficult, and when there is too little divergence, or when the detection algorithm settings are set without regard to noise levels (Kaplinsky et al. 2002; Thomas et al. 2007; Lyons and Freeling 2008), CNSs no longer indicate putative conserved function.

When increases, the size of the matrices, and increases, the matrix inversion becomes difficult and more errors will be introduced.

This finding indicates that some subjects are consistent in their decisions within task configurations even when the decision becomes difficult and a longer response time is required.

Breathing has become difficult and Chamberlain is on a respirator 10-12 hours a day.

He continued to write and broadcast, but his energies were sapped by a mysterious illness which affected his spine; walking became difficult and he was prevented by ill health from attending the performances that had brought him such joy all his life.

When the alkyl chain length was longer, the connection of adjacent layers became difficult and pillared carbons were not formed.

Because of the serious consequences of unsuspected CICV, such as in patients in which attempts to intubate the trachea failed and mask ventilation becomes difficult, urgent oxygenation is mandatory and is supported by guidelines [ 5- 9].

There's been so much party rhetoric it's become difficult and time consuming to get any important legislation passed.