PWFS

AcronymDefinition
PWFSPermanent Wood Foundation System (Minneapolis, MN)
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References in periodicals archive ?
Mr Williams says that PWFS has exceeded all his expectations.
Many farmers and others planning to install small scale renewables go to PWFS for support because the anti-renewables campaigners oppose so many planning applications.
PWFS operates without any sort of formal structure of membership, subscription fees and elected officers, which is a legacy of the heated environment in which it was set up.
In this system, the performance of membranes was evaluated in terms of PWF, rejection, porosity, and contact angle, and the morphology of the membranes was analyzed by scanning electron microscopy (SEM).
where PWF is the PWF (L x [m.sup.-2] x [h.sup.-1]) V is the permeate volume (L), A is the membrane area ([m.sup.2]), and t is the time (h).
Permanent wood foundation (PWF) plywood was one of the potential product applications identified.
Amabilis fir was added to the test program because this species is considered treatable and is being used commercially as a substrate for PWF plywood.
It was unclear why PWFs are not part of the phase-out.
So I built mine with southern pine PWF plywood with 2x4s in the corners, screwed and glued to the plywood.
In this study, we compounded the PLA-PWF composites with different PWF loading levels via a kinetic-mixer (K-mixer) and prepared the testing specimens via an injection molding machine.
PWF (nominal 40 mesh/425 [micro]m) was supplied by American Wood Fibers, Schofield, WI, which has the following properties--moisture content, ~8%; bulk density, 13 lbs./cu.