搜索结果: 1-2 共查到“森林昆虫学 Pinus sylvestris”相关记录2条 . 查询时间(0.062 秒)
Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands under one-year outbreak
Tomicus piniperda T. minor Pinus sylvestris
2015/3/5
Studies were carried out in southern Poland during 2002–2006 in Scots pine stands under the effect of an outbreak of pine shoot beetles. The qualitative aspects of beetle feeding in tree crowns, studi...
Effects of Bleaching Process on Hardness and Glossiness of Pine Wood（Pinus Sylvestris L.）Exposed to Outdoor Conditions
Weathering bleaching hardness gloss
2009/1/14
This study was performed to determine the effects of exposure to outdoor condition and of the bleaching process after exposure outdoor conditions after the bleaching process on hardness, both parallel...
