Sentence examples for it is then difficult from inspiring English sources
It is then difficult to predict deposition conditions when trying to synthesize a desired deposit.
It is then difficult to calculate complex lattices using the LBM.
It is then difficult to dynamically expand the underlying database schema if for example new causes are identified.
And even if it is possible to store a particular stream in a database, it is then difficult to perform the competing analyses required by diverse and geographically distributed users on this centralized database.
Although it is then difficult to deal with each unit individually and locally, collective coupled interactions between the units can be globally controlled, resulting in programmable local interactions, self-assembly and collective behaviour.
It is, then, difficult to forecast whether September's thrilling victory over Germany will turn out to be the team's main reward or whether they can top off the campaign with qualification for the finals.
"If you improve the way you look and you've used chemical enhancements to do that, it's then difficult to go back to a physique that you're not happy with".
It is then more difficult to cure by removal.
Adding lime or limestone may remove the acidity of wastewater, but it creates a hydroxide sludge from which it is then very difficult to extract individual metals.
