Exact(4)
The biofilm thickness on the membrane surface after the biofouling tests was positively related to the decline ratio of the permeate flux.
When utilized for oil/water emulsion filtration, the total flux decline ratio of PVDF/PHFBM-PEGMA-PMTAC membrane was as low as 6.3% and the flux recovery ratio reached nearly 100%.
Independent variable: ln (24Pro + 1), 24h-MBP, decline ratio of bedtime SBP, decline ratio of bedtime DBP, AASI (IU).
Independent variable: eGFR-MDRD (ml/min/1.73m), BMI, 24h-MBP, decline ratio of bedtime SBP, decline ratio of bedtime DBP, AASI (IU).
Similar(4)
Add in the increase in the public sector workforce in recent decades and the declining ratio of workers to pensioners, and you arrive at the second reason ministers think something has to be done: cost.
Right now, given reasonable estimates of likely future growth and inflation, we would have a stable or declining ratio of debt to G.D.P. even if we had a $400 billion deficit.
If I'd opted to go by air, I might have shaved two or more hours off that total, driving 11 miles to our local airport and switching planes in Los Angeles, but that option never crossed my mind (flight delays, the cattle car, the indignities of the search and the Torquemadaean contortions of the ever-declining ratio of leg bone to seat-space).
Crawford also cites a declining ratio of new highs to new lows, as well as a rising Volatility Index (VIX).
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