The phrase "about as efficiently" is correct and usable in written English.
It can be used to compare the efficiency of two or more actions or processes, indicating a similar level of efficiency.
Example: "The new software performs about as efficiently as the previous version, making the transition smoother for users."
Alternatives: "similarly efficient" or "with comparable efficiency".
From there to the tube, then, which was running about as efficiently as the New York City subway on one of its worst summer days, with crowds to match the uptown 6.
Another proposed advantage of an erect stance and parasagittal gait was that it was more efficient, but this has not held up to experimental analysis erect animals move about as efficiently as similarly-sized sprawling ones.
Few doubt that David N. Siegel, the airline's chief executive, has used bankruptcy protection about as efficiently as possible.
Other entrepreneurs complain that EB-5 runs about as efficiently as the DMV.
Give this to Hussein: In economic textbook terms, he is investing Iraq's oil wealth about as efficiently as can be hoped for in a country that combines an insufficiently educated Muslim population with the inherent inefficiencies of highly centralized party planning.
The Fe-TAML catalyst degraded estrone about as efficiently as the estradiol in Shappell's test of the catalyst.
Caspase-2 cleaved the BidDTTD mutant about twice as efficiently as caspase-8 and about five times more efficiently than caspase-3.
First, the assay used to monitor purification used the cofactor NADH, whereas NfsA has a strong preference for NADPH (see Figure 2) (Bryant et al, 1981; Zenno et al, 1996); furthermore, this assay used menadione as a substrate, which is reduced about twice as efficiently by NfsB as by NfsA (Zenno et al, 1996).
Caspase-2 cleaved Runx1 about half as efficiently as it cleaved wild-type Bid.
Compared with the (CTG 22 reference plasmid, expansions of (CAG 22 substrates under replication-permissive conditions occurred about 30% as efficiently.
Comparison with a known amount of tagged protein suggests that these mutants yield +1 tagged proteins about 50% as efficiently as wild-type tmRNA reading in the 0 frame.
