But without further renegotiation of the contract, it was impossible to introduce fundamental change.
By using a conventional design method of the I-PD controller based on the GPC law, it is impossible to introduce future reference trajectory into the I-PD controller.
Planck himself stated as late as 1913 in his recommendation for admitting Einstein to the Prussian Academy of Sciences "the fact that he [Einstein] may occasionally have missed the mark in his speculations, as, for example, with his hypothesis of light quanta, ought not to be held too much against him, for it is impossible to introduce new ideas, even in the exact sciences, without taking risks".
Clinically, it is impossible to introduce a device into an implant-bone interface to investigate the level of micromotion between the bone and the implant under masticatory force.
The stepped wedge design was chosen for pragmatic reasons, because it was impossible to introduce the interventions into all clusters simultaneously 29; this also enabled the team to ensure that all children in the study area would eventually receive the intervention, avoiding the ethical issue of leaving children in a study area without the intervention (efficacious drugs) that work.
As a result, it seems to be impossible to completely eliminate the taxonomic biases introduced by PCR.
This is underlined by the fact that we observed one reaction - AK - that in principle fulfilled all of our criteria for elimination, but in the end, it turned out to be impossible to eliminate from the system without introducing a large error.
When the law was introduced, some police chiefs said it would be impossible to enforce.
If the concern is the nuclear command and control system, the fact is that the UK's system is not connected to the internet (nor are there any plans to do so) and it is therefore impossible to introduce web-carried malware into it.
