Reasonable operating parameters, such as flow rate, flow split ratio and pressure drop, are worked out, and the field technological process of the hydrocyclone is investigated tentatively.

摸索出了较为合理的操作参数（处理量、分流比及压力降等），并对预分离水力旋流器的现场应用工艺流程进行了初步探讨。

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"What has happened this thing has evolved and as we have been able to refine the flow rate estimates."

VOA: standard.2010.06.14

"And as you know, we revised them upward last week. We want to make sure that BP has enough capacity on hand to handle the increased flow rate estimates."

VOA: standard.2010.06.14

"It is telling that the Department of Justice's charges against Kurt Mix surround efforts to cover up the fact that BP's public estimates of the oil flow rate were far lower than the actual flow rate, " the group said in a statement on the arrest.

CNN: First criminal charges filed in BP oil spill

With the majority of CDOs being backed by mortgages, the principal-only tranche has a known future cash flow, but at a variable rate of return, while the interest-only tranche has both an unknown cash flow and an unknown rate of return on that cash flow.

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Days later, we learned that not only was oil still leaking, but that the rate of flow was more like 5, 000 barrels per day.

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