The phrase "additional difficulties in the" is correct and usable in written English.
It can be used when discussing challenges or obstacles that may arise in a particular context or situation.
Example: "The project faced additional difficulties in the implementation phase, which delayed our timeline."
Alternatives: "further challenges in the" or "extra obstacles in the".
Note that condition (1.6) brings about additional difficulties in the study of the asymptotic behavior of (1.1).
In the Fischer Tropsch synthesis, the multitude of reaction products as well as the large number different reaction pathways does result in additional difficulties in the search for the active site/ensemble.
A strong 8 9 MHz noise from the RF plasma heating generators forms additional difficulties in the diagnostic signal measurements in the U-3M and U-2M torsatrons compared with other stellarators and tokamaks.
23 This variability causes additional difficulties in the estimation of GFR.
Third, reservists believed that they would experience additional difficulties in the practicalities of consulting such as scheduling an appointment and having time off for treatment.
Convergence would cause the projections of the pupils to be elliptical on the wavefront sensor, LCoS, and amplitude modulator planes, introducing some additional difficulties in the analysis and processing of the obtained data.
The different lapses of time between surveys, 3 months between the first and the second and between the third and the fourth, and 6 months between the second and the third, introduces an additional difficulty in the estimations.
An additional difficulty in the development of QSAR models is the fact that some regression methods have parameters that need to be optimised to obtain the best performance for a particular problem.
Another factor that introduces an additional difficulty in the analysis of Snail1 RNA is the existence of a human retrogene with a similar sequence to Snail1 that may interfere with the reverse transcription PCR analysis of Snail1 RNA [21].
An additional difficulty in the decision to administer adjuvant treatment may be the new tumour-node-metastasis (TNM) classification [13,14].
This list of key genes was not duplicative between the higher accuracy weighting schemes leading to additional difficulty in the interpretation process.
