Zobrazeno 1 - 10
of 10
pro vyhledávání: '"J A Tamblyn"'
Publikováno v:
Endocrine Connections, Vol 7, Iss 1, Pp 199-210 (2018)
Vitamin D deficiency is common in pregnant women and may contribute to adverse events in pregnancy such as preeclampsia (PET). To date, studies of vitamin D and PET have focused primarily on serum concentrations vitamin D, 25-hydroxyvitamin D3 (25(OH
Externí odkaz:
https://doaj.org/article/7f8ecdd8ec8949eb980224489047a357
Autor:
Gordon C Newland, J. W. Tamblyn
Publikováno v:
Polymer Engineering and Science. 5:148-151
Many plastic articles when exposed outdoors deteriorate first at points of highest stress. Consequently, weathering of polyolefins under stress speeds the deterioration and hence the evaluation of ultraviolet stabilizers used to retard it. Cracking o
Autor:
J. W. Tamblyn, G. C. Newland
Publikováno v:
Journal of Applied Polymer Science. 9:2251-2260
The ordinary methods for obtaining a rapid estimate of the useful life of a plastic, extrapolations from tests conducted at higher temperatures or at lower stabilizer concentrations than those of actual use, lead to serious errors in estimating the u
Autor:
J. W. Tamblyn, D. R. Morey
Publikováno v:
Journal of Applied Physics. 16:419-424
By means of polymer fractions of known molecular weight, dissolved in solutions of known compositions, it is possible to determine the solubility law which relates the point of solution saturation to the molecular weight and concentration of the diss
Autor:
G. C. Newland, J. W. Tamblyn
Publikováno v:
Journal of Applied Polymer Science. 9:1947-1953
During the past few years it has been reported that a number of metal-organic compounds show outstanding effectiveness as stabilizers against the oxidative deterioration of polyolefins and other polymers. This may seem surprising in view of the well
Autor:
J. W. Tamblyn, G. C. Newland
Publikováno v:
Journal of Applied Polymer Science. 8:1949-1956
Many derivatives of phenyl salicylate turn yellow when they are exposed, in solution, to ultraviolet light. This limits their usefulness as ultraviolet stabilizers for plastics. Evidence is presented to support the postulation that the yellowing is d
Autor:
J. W. Tamblyn, D. R. Morey
Publikováno v:
The Journal of Physical Chemistry. 50:12-22
Publikováno v:
Journal of Applied Polymer Science. 11:2453-2465
Cellulose esters which have a high degree of esterification are readily crystallizable by simple heat treatments. Such esters include cellulose triacetate, cellulose tripropionate, and mixed cellulose triesters. X-ray diffraction analysis shows disti
Publikováno v:
Industrial & Engineering Chemistry. 37:573-577
Autor:
G. M. Armstrong, J. W. Tamblyn
Publikováno v:
Analytical Chemistry. 25:460-465