Agricultural best management practices (BMPs), or conservation practices, can help reduce
nonpoint source pollution from agricultural lands, as well as provide valuable wildlife habitat. …

Gas transport properties are reported for a series of compression‐molded films prepared from
copolyesters of hydroxybenzoic acid (HBA) and 2,6 hydroxynaphthoic acid (HNA) having …

… XRD was used to determine basal d-spacing and performed using a Rigaku D/Max II X-ray …
There are no peaks for the C5 nanocomposite, indicating that the basal d-spacing (d 001 ) …

The effects of molecular order on the gas transport mechanism in polymers are examined.
Generally, orientation and crystallization of polymers improves the barrier properties of the …

… 1 p 2 + u l l t 1 t 2 u c c p 2 2 + u l l t 2 2 + u 22 1 0 1 0 d x 1 d x 2 d λ = − u c c p 1 x 1 + u C u
c c p 1 x 2 u c c p 1 0 u c c p 2 x 1 u c c p 1 x 1 + u c u c c p 2 0 0 0 0 1 d p 1 d p 2 d m d x min …

Gas permeabilities for six different gases have been evaluated for a series of closely related
polyphosphazenes. Polyphosphazenes are attractive polymers for use as gas separation …

… (1) The diffusion coefficient, D, is associated with the degree of penetrant mobility in the
polymerand is lower the stronger the cohesive forces between chains and the more efficiently …

Gas permeability coefficients for poly(dimethylsiloxane) (PDMS) and a series of polyphosphazene
(PPh) materials are measured before and after 30W argon radio frequency (RF)-…

… Parallel work has also shown that the swelling of the ppMMA in d-nitrobenzene is … above,
would alter the derived C′ H and k D parameters in Table 1 simply by the magnitude of the …

… les salles d'urgence combinds au fait qu'une assez large part des visites dans les salles d'ur…
patients sur le bon usage des salles d'urgence ou l'offre d'alternatives, comme les services …