Zobrazeno 1 - 2
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pro vyhledávání: '"Wan Qiao Yang"'
Autor:
Shi-Qun, Zheng, Wan-Qiao, Yang, Zhen-Fu, Fang, Ning, Zheng, Jin-Fu, Liu, Kai-Qin, Lin, Li-Fang, Xiao, Lin, Li
Publikováno v:
Ying yong sheng tai xue bao = The journal of applied ecology. 32(1)
白果蒲桃是福建省云霄县特有极小种群植物,对其进行种群现状研究和保护评价。结果表明: 现存白果蒲桃种群只有25株,母树仅1株,除母树和1株小树外,其余均为幼苗幼树,数量稀少,缺乏中树、
Publikováno v:
Applied Mechanics and Materials. :180-183
The most widely used pavement roughness index is the international roughness index (IRI), but it is a poor predictor of ride comfort. In addition, the rider has not yet been included in the vehicle model used to evaluate pavement roughness. In this p