STUDY OF MICROFIBRIL ANGLES IN REACTION WOOD The Development of Ultrastructural Model on Wood Drying Stress-Strain Modeling Microibril Angle with Mixed Models for Dahurian Larch A STUDY ON THE ULTRASTRUCTURE OF BAMBOO CELL WALL BY X RAY Cellulose structure and lignin distribution in normal and compression wood of the Maidenhair tree (Ginkgo biloba L.) Study on Genetic Variation of Tracheid Microfibril Angle of Japanese Larch Clones Microfibril Angle of Guadua amplexifolia Bamboo Measured by SilviScan-3 Microfibril Angle, Basic Density and Longitudinal Shrinkage of Different Inclined Angles in Artificial Leaned Saplings of Poplar ‘Ⅰ-107’(Populus× euramericana ‘Neva’) Variation Analysis of Tracheid Characteristics and Microfibril Angle Among Species and Hybrids of Larix spp. Microfibril Angles and Fiber Morphology Characteristics of Baldcypress Wood