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Juha Rikala

Juha Rikala

SCOTS PINE HEARTWOOD – FORMATION, CHARACTERISTICS AND UTILIZATION: A REVIEW

Tree age and growth rate are the major factors explaining heartwood formation in Scots pine (Pinus sylvestris L.). Heartwood proportion is highest at a relative height of 20–30 percent in …

Juha Rikala / Marketta Sipi / Rissanen A.

SORTING OF PULPWOOD IN SPRUCE STANDS

In this study, raw material potential of Norway spruce (Picea abies (L.) Karst.) entailed by sorting of pulpwood was studied. The objective was to examine what kinds of groups could …

Juha Rikala / Marketta Sipi / Rissanen A.

VARIATION IN WOOD PROPERTIES OF PINE PULPWOOD FROM THINNING STANDS AND FINAL FELLINGS ON PEATLAND

Drained peatlands are a characteristic specific to Finnish forestry; almost five million hectares of peatlands have been drained for forestry. Most of that area was drained during the 1960s and …

Havimo M. / Juha Rikala / Marketta Sipi

VARIATION IN STRENGTH PROPERTIES OF SCOTS PINE WOOD AFTER TWO DIFFERENT HEAT TREATMENTS

Investigations to improve the durability and dimensional stability of wood using heat treatment have been carried out since the early 20th century. Despite quite a long history of research work, …

Havimo M. / Juha Rikala / Marketta Sipi / Rissanen A.

PELLETIZING OF SOFTWOOD AND HARDWOOD WITH SINGLE CHANNEL PELLET PRESSES

Pellets made from wood sawdust are popular heating fuel in the Nordic countries. In pellet press, sawdust is compressed into a solid pellet, and it has experimentally been shown that …

Jiri Pyörälä / Juha Hyyppä / Juha Rikala / Marketta Sipi / Markus Holopainen / Okko Tonteri

Modelling the knot taper in Scots pine (Pinus Sylvestris l.) from terrestrial laser scanning – derived branch attributes

Three-dimensional (3-D) sawing simulation is expected to become a standard tool in the future sawmill wood procurement planning to promote more precise and sustainable use of forest resources [1]. The …

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This network is supported by SNS Nordic Forest Research funded by the Nordic Council of Ministers.

Northern European Network for Wood Science & Engineering. All rights reserved. Produced: Globalistic

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