云杉属

结晶度对云杉属木材声振动特性参数的影响

The Effect of Crystallinity Index on Vibration Properties of Picea Wood

云杉属木材密度与声学特性参数之间关系的研究

Relationship between Picea genera Wood Density and Sound Characteristic Parameters

云杉属木材晚材率变异系数与声振动特性参数

Variance coefficient of latewood percentage to sound vibration parameters of Picea genera wood

云杉属木材纵向和径向声振动特性参数关系的研究

Study on the Relationships between Longitude and Radial Sound Vibration Parameters of Genus Picea

云杉属木材生长轮宽度变异系数对声振动参数的影响

Effects of Variance Coefficient of Growth Ring Width on Sound Vibration Parameters of Picea Wood

综述了云杉属树种体细胞胚胎发生的研究现状，其中包括：（1）影响云杉属树种体细胞胚胎发生及其植株再生的因素；

A review on somatic embryogenesis in Picea species is addressed in this article , which includes two topics : ( 1 ) The factors which influence somatic embryogenesis in Picea species .

此外，实验还采用综合坐标法和综合评分法，对参与实验的8个云杉属木材依据其结构排列、生长特性、振动性能及考虑权重系数进行了综合坐标值评定和打分排序。

Further more , the synthesis coordinate value method and the synthesis marking method were applied to give the evaluation and the order of test wood by considering of weighing coefficient of cell alignment , wood growth idiosyncrasy and sound vibration properties .