Pyongyang has yet to master long-range, multi-stage missile technology, despite a long developmental phase punctuated by a number of unsuccessful tests.
The second phase occurs when a number of puzzles can be solved within a single mental framework or paradigm, which then becomes the dominant paradigm.
But phase 3 trials are crucially important for a number of reasons.
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For weeks, say Palestinian officials, they were led to believe that this phase would grant them full control over a number of Palestinian villages on the edge of East Jerusalem, which Palestinians claim as the capital of their future state.
He went on to have some success as a solo act with top 10 hit Never Never and his 1985 number one A Good Heart but this phase of his career was to prove short lived.
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So we had to phase that in to do it right over a certain number of years.
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This is a great concept, but the only way to prove it is to run a phase 3 program with tens of thousands of patients over a number of years and demonstrate that the drug reduces these CV events.
Push back the phase-out of benefits to higher income levels, and the number of families receiving tax credits and subsidies explodes.
Now in Phase II clinical trials, it has the potential of significantly reducing the number of injections in growth hormone-deficient patients from its current daily dosage, down to either a weekly or twice-monthly injections.
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But the project's current phase also includes replacement of five two-track bridges, which required reducing the number of active tracks from four to two.
Just three months before its planned split into two companies, Abbott Laboratories is suffering a significant setback after a Phase III trial for a chronic kidney disease treatment was ended due to an excessive number of deaths and serious adverse events in patients.
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At first, the Strand-1 satellite will be controlled by a standard onboard computer, but in phase two of the mission, a Google Nexus phone will take the reins - equipped with a number of special apps.
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On Wednesday, Mr Hollande said that the "final phase" of the French intervention "will last through March and from April there will be a decrease in the number of French soldiers in Mali as African forces will take over, supported by the Europeans".
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