"In our studies, ball pressure made a big difference, " Dr. Plant said.
The difference in air pressure made the rocket behave abnormally, and probably contributed to the crash.
This tracks the difference in air pressure between Iceland and the Azores and, during the winter months, determines the strength of the winds, temperatures and rainfall in the St Kilda archipelago.
The bigger difference is the increasing pressure on local authority budgets, and confirmation that the spending squeeze will last until 2017 at the very least.
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Defeat to a team that is hovering just above the Championship's relegation zone on goal difference will surely increase the pressure on City manager Mark Hughes.
The biggest difference between this microm induction heating pressure rice cooker and your average kitchen gadget is that it is not just about convenience and efficiency, it is also about quality.
"The difference in the game was the level of pressure they put on us in the second half and certainly the shots they made, " Butler coach Brad Stevens said.
Even the reluctance of Lebanon and Iraq to apply full sanctions will be unlikely to make a big difference in Syria's fortunes, especially as international pressure continues to mount.
Marquee investments in companies like Facebook make a big difference when firms are out building their war chests, putting pressure on them to get in on hot deals.
Labour councils he insisted could still make a difference by paying people a living wage, protecting services and putting pressure on energy companies to reduce their bills.
The difference between turbocharging and supercharging is simple: a turbocharger boosts engine air pressure by using exhaust gas to power a turbine that pushes more air into the combustion chamber.
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The ECB is under pressure to make a cut, less because there is evidence that it will make a difference but more because there is a groundswell that something must be done.
Educators and legislators are under pressure to prevent bullying, and many schools are implementing programs such as A Classroom of Difference, Steps to Respect and Positive Behavior Intervention and Supports that teach empathy, interpersonal skills and respect for those who don't fit into the mainstream.
The difference today is that almost everybody, be they Kurdish, secular or anti-army, is under pressure.
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