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Filtering by: Date issued sim 1993-07-01 Degree Level Doctoral

Xylem cavitation in newly planted western hemlock (Tsuga heterophylla (Raf.) Sarg.) seedlings

Creator:

Kavanagh, Kathleen L., 1955-

Abstract:

Reforestation of Pacific Northwest forest-lands with western hemlock has been hindered by unexplained plantation failures. The purpose of this thesis is to provide information that will help in determining the cause of seedling damage and mortality. The studies focused on the relationship between xylem water potential, xylem cavitation and the...

Resource Type:

Dissertation
Rheological behavior of Douglas-fir as related to the process of drying

Creator:

Wu, Qinglin

Abstract:

Large inelastic strain occurs inside a piece of lumber during drying. The strain consists of several components such as elastic, plastic, creep, shrinkage and mechano-sorptive effect. The mechanical behavior of the whole board during drying is determined by the behavior of individual strain components and their interactions. Whereas limited investigations...

Resource Type:

Dissertation