Effect of packing material size is mainly on the column pressure and column efficiency.

填料粒径主要从柱效和压力两方面影响着制备色谱的应用。

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PDS and PDSG in TP at most decrease slurry's pore pressure to hydrostatic column pressure.

转化期的沉降失重和SG失重最多使水泥浆柱孔隙压力降到等高静水柱压力。

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Results indicate that the selection of the optimum temperature for the exchange effect depends on the column pressure.

结果表明：在选择催化交换温度时须考虑压力条件。

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The right perspective on pressure can create a very positive new normal, which I discuss in my recent leadership column on CEO.com.

FORBES: 6 Ways To Conquer Leadership Pressure

Paul Sullivan writes the "Wealth Matters" column for The New York Times and is the author of Clutch: Why Some People Excel Under Pressure and Other's Don't (Portfolio, 2010).

FORBES: Magazine Article

That's barely breaking even and adds more pressure to a company that so far has tried to stay in the "not so bad" column on the roster of Wall Street firms hit by the credit crisis.

FORBES: John Mack Needs A Win For Morgan Stanley