Research using focus groups began in the late 1930s and became increasingly popular from the 1950s, owing particularly to the use of focus groups in marketing studies.
With regard to costs, both technologies present similar variable costs, while fixed costs of the membrane installation are double those of the physico-chemical-UV process, owing particularly to the high cost of the installation itself.
However, in Ethiopia, only a few studies looked into these factors and reported them quantitatively without further exploration into the issue owing particularly to the underutilization of qualitative research.
Workers also pointedly blamed Bank of America, a lender to Republic Windows, saying the bank had prevented the company from paying them what they were owed, particularly for vacation time accrued.
But it will not be easy for the banks to collect what they are owed, particularly as many borrowers face cash-flow problems after a drastic fall in profits last year.
The debate revealed Gov. Patrick J. Quinn's illusion that he is owed loyalty — particularly from fellow Democrats and even from his primary opponent, Daniel W. Hynes, the Illinois comptroller — for confronting hellacious financial challenges and for helping the state survive the impeachment of the previous governor, Rod R. Blagojevich.
The Met Office has said the record wet conditions, which have brought serious flooding to regions from Yorkshire to the south-west, were owing to "a particularly disturbed jet stream".
In response to Nat Hentoff's letter (June 17) commenting on the review of David McCullough's "John Adams," I can agree that many who have taught, studied or read history over the last 20 years would feel that in sum, there is more to admire in Adams than in Jefferson, particularly owing to the latter's monumental hypocrisy on all things relating to slavery.
The editor of Broadcast magazine, Lisa Campbell, said: "Although their popularity has declined from their heyday, one would have expected them to have retained a high profile on a mainstream channel once their Channel 4 contract was up, particularly owing to the success of their book and wine clubs.
Particularly, owing to ease of fabrication and miniaturization, low cost, and simplicity of operation, graphene-based sensors offer a great potential for portable real-time medical diagnostics, when compared with conventional techniques based on expensive and labor extensive lab-bench instruments.
To eliminate control errors and improve the response, disturbance modeling and compensation appear to be necessary [18], particularly owing to the maneuverability limitation of a propeller [19].
