Results 231 to 240 of about 30,854 (265)
Some of the next articles are maybe not open access.
Studies on the holocellulose of Sitka spruce : methylation of spruce holocellulose
2012Sitka Spruce holocellulose has been prepared by the chlorite procedure as modified by Wise and associates. This material has been subjected to successive methylations. The methoxyl content and yield of the solid residue were determined after each methylation and the methoxyl contents have been compared with corresponding values obtained when extractive-
openaire +1 more source
Ancient Blue Spruce Hiding Among Engelmann Spruce
Results of research in forest health and forest futures in Utah Key Results 1. Ancient trees: Old-growth blue and Engelmann spruce (>300 years, Fig. 1) were scattered throughout closed-canopy stands. 2. Drought stress predominates: Higher precipitation and lower maximum temperatures improve growth — even in a forest at 10,000 ft. 3.Lutz, James A., Birch, Joseph D.
openaire +1 more source
Aminomethylation of spruce tannins and their application as coagulants for water clarification
Separation and Purification Technology, 2020Juha-Pekka Salminen +2 more
exaly
WHITE SPRUCE MEETS BLACK SPRUCE: DISPERSAL, POSTFIRE ESTABLISHMENT, AND GROWTH IN A WARMING CLIMATE
Ecological Monographs, 2008Anping Chen
exaly