搜索结果: 1-2 共查到“工学 Wood density”相关记录2条 . 查询时间(0.062 秒)
Influence of site conditions and silvicultural practice on the wood density of Scots pine (Pinus sylvestris L.) – a case study from the Doksy locality, Czech Republic
shelterwood regeneration clearcut forest site softwoods physical properties variability
2018/3/6
After spruce, the Scots pine (Pinus sylvestris Linnaeus) is the second most important commercial coniferous tree
species in the Czech Republic. However, we are finding out that awareness of the varia...
Comparative Study of Wood Density by Specific Amount of Void Volume(Porosity)
Wood density Porosity Moisture content Green volume method Oven dry method Maximum moisture content method
2009/1/13
Various methods were progressively investigated to determine wood density within the most reliable void volume (porosity) values. Three softwood species of Bornmulleriana fir (Abies bornmulleriana Mat...