How widely deployable ionic solvents will prove to be in practice remains to be seen.
Interestingly, a front-page article in Sunday's Washington Post provides a flavor of how problematic such arrangements would be in practice.
As exciting as this work is, don't look for this technology to be in practice tomorrow -- we're still years away from bringing this to market.
As a general impetus to speed up the course of justice, citizens would also have a constitutional right to a reasonably speedy hearing, as is enshrined in the constitutions of Mexico and Portugal, although how effective this would prove to be in practice remains open to doubt.
History is littered with examples, such as the Seiko Ruputer wristwatch computer, that sounded great in theory but turned out to be lemons in practice.
The more challenging problem is whether there is any way in which the objectives of the law enforcement authorities can be achieved in practice.
Obviously this clumsy manual method would not often be used in practice, and the services of a computer programmer would generally be required to automate it.
It also means that the volume of reductions that will actually be achieved in practice is much smaller, supposing any reduction at all will be achieved by the target date of 2008-12.
In addition, both Feldstein and we use stylized reforms that could not be implemented in practice and that overstate the progressivity of any cut in deduction or exemption.
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Employers, however, need to be careful to put these rules in writing for how and when executives can defer income, and then the rules must be followed in practice.
While this, in theory, can be audited, in practice the knowledge to do so is unlikely to be possessed by the auditor.
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But there is no general agreement about where it should be extended in practice.
Whether it will be possible in practice to distinguish reliably between different ethnic groups is another question.
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But it is doubtful whether the law can be applied in practice, if too many people try to use it.
But critics say it would be difficult in practice for authorities to monitor how buyers are making use of these purchases.
Practice Application Briefs: developed for classroom teachers and other practitioners, these products provided specific examples derived from research findings that could be applied in practice settings.
The team of researchers from the Johns Hopkins University School of Medicine say larger trials with a long follow up are needed to judge how useful the test might be in everyday practice.
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However, doing so would be tougher in practice.
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This implies several crucial recognitions: that intuition and experience are not sufficient to make all decisions in a way that maximizes shareholder value, that non-experimental methods are not up to the task of determining causality with sufficient reliability to guide many actions, and that experiments can be applied in practice to enough business issues to justify the costs of the capability.
"These are important issues they need to be inquired into, they need to be examined and the learning needs to be extracted from them, so that practice today can be changed and practice in the future, " he said.
The idea is sound in theory, but there are evidently still some wrinkles to be ironed out in practice.
Conservative estimates suggest just 2% of that energy could be tapped by EGS in practice, but even that would be far more than is needed to supply all of America's electricity.
Chile's experience suggests that even if they were desirable in theory, capital controls may be difficult to enforce in practice.
The sessions can be delivered in general practice without referral to a specialist, taking pressure off waiting lists.
But why did it take this long for that idea to be put in to practice in the training program?
Finally, though it is easy to call for banks to be carved up, it would be hellishly difficult in practice.
It used to be common practice in software to offer what was called an "expert mode" that simplified interfaces and allowed users to employ shortcuts to get what they needed.
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That's why the new regulations that SEBI is now introducing for settlements and the new limits on borrowing to finance share purchases might not be as effective in practice as they appear on paper.
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