The significant edge effect was found in Korean pine, white birch, black birch and aspen stands.
边缘效应表现显著的树种有红松、白桦、山杨和黑桦。
The yield from aspen timber is best when relatively short components of sawn wood can be utilized.
当短的锯木部件可被利用时，白杨可以达到最佳产量。
SIMULATION AND OPTIMIZATION OF ATMOSPHERIC DISTILLATION UNIT PROCESSING CABINDA CRUDE WITH ASPEN PLUS SOFTWARE
软件模拟优化卡宾达原油常压蒸馏的研究
Stage 3 Here the straw is fitted with synthetic netting by longitudinal sewing to preserve the shape of aspen pad.
第三段条杆状木屑填充到合成纤维网中, 径向缝制, 以成型。
Modeling, Simulation and Optimization of a Whole Industrial Catalytic Naphtha Reforming Process on Aspen Plus Platform
工业级催化重整装置的全流程模拟与优化
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