Abstract: A delignified wood material is formed by removing substantially all of the lignin from natural wood. The resulting delignified wood retains cellulose-based lumina of the natural wood, with nanofibers of the cellulose microfibrils being substantially aligned along a common direction. The unique microstructure and composition of the delignified wood can provide advantageous thermal insulation and mechanical properties, among other advantages described herein. The thermal and mechanical properties of the delignified wood material can be tailored by pressing or densifying the delignified wood, with increased densification yielding improved strength and thermal conductivity. The chemical composition of the delignified wood also offers unique optical properties that enable passive cooling under solar illumination.

Abstract: Evaluation information of a temporal description is displayed by: structuring data structures into a logical tree structure that is representative of the hierarchy of the temporal expressions, with each tree node representing a temporal primitive operator, and a unique index assigned to each primitive; evaluating the temporal expression, and recording the evaluation trace information that contains the corresponding unique index to the primitive node, the evaluation time stamp, and other information of the evaluation; and selectively displaying an evaluation sequence of the selected result at any level, including from the top of the tree structure of the temporal evaluation in order to show the evaluation history of the selected result at a lower level of the expression tree, where the selection methods include a graphical interface on the screen to select a child expression at a given tree level.

Abstract: The present invention discloses methods in structuring data structures into a logical tree structure that is representative the hierarchy of the temporal expressions, with each tree node represent a temporal primitive operator, and an unique index being assigned to each primitive. It further discloses methods for evaluating the temporal expression, and recording the evaluation trace information that contains the corresponding unique index to the primitive node, the evaluation time stamp, and other information of the evaluation; and methods for selectively displaying an evaluation sequence of the selected result at any level, including from the top of the tree structure of the temporal evaluation in order to show the evaluation history of the selected result at lower level of the expression tree, where the selection methods include a graphical interface on the screen to select a child expression at a given tree level.