The effect of changing stimulus frequency on FFB was greater than that of changing stimulus intensity.

刺激频率改变对FFR的影响比刺激强度对FFR的影响大。

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Effect of temperature on gasoline olefins cracking reaction over acid catalysts in fixed fluidized bed(FFB)reactor was studied and 1-heptene was used as model compound.

以1-庚烯为模型化合物，在小型固定流化床上研究了反应温度对汽油烯烃在酸性催化剂上反应的影响。

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Since its inception in 1974, the FFB has funded dozens of research discoveries to identify the causes of genetic forms of blindness at universities and hospitals across Canada.

自1974年成立以来，FFB资助了数十名研究发现，以确定遗传形式的失明大学和加拿大各地医院的原因。

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Effective October 1, 2002, for borrowings and investments with the BPD and borrowings from the Federal Financing Bank (FFB), agencies will report amounts consistent with those reported by these central fiduciary agencies, except as noted above.

WHITEHOUSE: M-03-01, Business Rules for Intragovernmental Transactions, Attachment B | The White House