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Results of studies on the production of 'long' Spruce pulpwood

, : Results of studies on the production of 'long' Spruce pulpwood. Forstarchiv 47(7): 151-152

Briefly summarizes the results of comparative time studies on various aspects involved, such as thinning method (conventional vs. row), bunching, sequence of operations, degree of branch trimming (complete, rough, or upper side only), and various skidding methods (Radio-Tir remote-control winch, tractor, and tractor-mounted spar), conversion (manual or mechanical) at landings, and various combinations.


Other references

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Riley, P.E., 1939: Sanitation requirements for high-temperature short-time pasteurizers. This is an explanation of the conditions which H.T.S.T. pasteurizers must fulfil to comply with the United States Public Health Service Code (1939 tentative edition). Design of plant and methods of checking performance are dealt with.

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Novara, F.; Beri, S.; Bernardo, M.Ester.; Bellazzi, R.; Malovini, A.; Ciccone, R.; Cometa, A.Maria.; Locatelli, F.; Giorda, R.; Zuffardi, O., 2009: Different molecular mechanisms causing 9p21 deletions in acute lymphoblastic leukemia of childhood. Deletion of chromosome 9p21 is a crucial event for the development of several cancers including acute lymphoblastic leukemia (ALL). Double strand breaks (DSBs) triggering 9p21 deletions in ALL have been reported to occur at a few defined sites by...

Mendonca, A.V.R.; Nogueira, F.D.; Venturin, N.; Souza, J.S., 1999: Nutritional requirements of the Myracrodruon urundeuva Fr. All (aroeira do sertao). The paper reports the effects of nutrient omission in the substrate over the growth in diameter and height, the accumulation of dry matter, and the concentration of minerals in the leaves of Myracrodroun urundeuva [Astronium urundeuva] seedling. T...

Simpson, R.J.; Cosgrove, C.; Chee, M.M.; McFarlin, B.K.; Bartlett, D.B.; Spielmann, G.; O'Connor, D.P.; Pircher, H.; Shiels, P.G., 2010: Senescent phenotypes and telomere lengths of peripheral blood T-cells mobilized by acute exercise in humans. Acute bouts of aerobic exercise are known to mobilize antigen-experienced CD8+ T-cells expressing the cell surface marker of senescence, KLRG1, into the blood. It is not known; however if this is due to a selective mobilization of terminally diffe...

Feng, Q.-Ping; Xie, X.-Ming; Liu, Y.-Tao; Zhao, W.; Gao, Y.-Fang, 2007: Synthesis of hyperbranched aromatic polyamide-imide and its grafting onto multiwalled carbon nanotubes. A flexible hyperbranched aromatic polyamide-imide (PAI) having an amine group in the center and carboxyl groups in the ends was synthesized from a AB type of monomer of 2-(6-aminohexylcarbomoyl) terephthalic acid that was prepared from trimellitic...

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