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Abnormal rays in stained heartwood of Pseudotsuga menziesii (Mirb.) Franco

, : Abnormal rays in stained heartwood of Pseudotsuga menziesii (Mirb.) Franco. Journal of the Institute of Wood Science 5(5): 28-30

Microscopic examination of sections of heartwood from a length of P. menziesii sawn timber containing an unusual stained region showed that the reddish-brown stain was attributable to abnormal rays. The stained region was oriented radially and the wood was characterized by rays that were larger, occupied a much higher proportion of the wood and contained considerably more deposits than the rays of normal wood.


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Shoup, J., 1987: The impact of tourism on the Bedouin of Petra. An account of Petra's tourism history is followed the identification and analysis of present day problems confronting the Bedouin of the region as a result of tourism. Tourism has had dramatic effects on the local population. The Bidul have e...

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Lyu, Y.; Qian, Y.; Fu, L., 2015: Prediction of regulating network of innate immune signaling molecule hsa-miR-181a in stroke development based on bioinformatics analysis. To predict the regulating network of innate immunity signaling molecule hsa-miR-181a in stroke based on the methods of bioinformatics. The UCSC genome browser, the human miRNA disease database (HMDD), the transcription factor-miRNA regulation data...

Marchesini, E.; Posenato, G.; Gottardi, S.; Brunelli, A.; Gianati, P.; Zanetti, G.P., 2004: Activity of a new bordeaux mixture formulation with a low copper rate in control of grape downy mildew. The results of two experimental trials carried out in Veneto and Emilia Romagna (Italy) in order to verify the efficacy of several copper products applied at a low rate (75 g Cu/hl) in the control of grape downy mildew (Plasmopara viticola) are re...

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Hwang, H-Ru.; Shen, Y-Fan.; Chen, Y-Chang.; Liu, C-Peng.; Lin, C-I., 2004: Effects of cyclopiazonic acid on triggered activities in ventricular muscle and cardiomyocytes isolated from hamster hearts. The present experiments were performed to study the actions of cyclopiazonic acid on triggered activities generated in vitro in ventricular papillary muscle and cardiomyocytes isolated from the hearts of healthy male Syrian hamsters (Biobreeders F...

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