Search results: 95,689 results (approx.)

1. Comparative studies on wood structure and microtensile properties between compression and opposite wood fibers of Chinese fir plantation.

The microtensile properties of mechanically isolated compression wood (CW) and opposite wood (OW) tracheids of Chinese fir (Cunninghamia lanceolata) were investigated and discussed with respect to their structure. Major differences in the tensile modulus and ultimate tensile stress were found...

Author(s) : Li Zhu; Zhan TianYi; Eder, M.; Jiang JiaLi; Lyu JianXiong; Cao JinZhen

Publisher : Springer-Japan, Tokyo, Japan

Journal article : Journal of Wood Science 2021 Vol.67 No.12 ref.38

2. Cell wall dimensions reign supreme: cell wall composition is irrelevant for the temperature signal of latewood density/blue intensity in Scots pine.

Many microdensitometric techniques are available for deriving maximum latewood density (MXD), which is the state-of-the-art proxy parameter for local to hemispheric-scale temperature reconstructions of the last millennium. Techniques based on X-ray radiation and visible light reflection, such as...

Author(s) : Björklund, J.; Fonti, M. V.; Fonti, P.; Bulcke, J. van den; Arx, G. von

Publisher : Elsevier GmbH, Munich, Germany

Journal article : Dendrochronologia 2021 Vol.65 ref.45

3. Stories hidden in tree rings: a review on the application of stable carbon isotopes to dendrosciences.

During the last 25 years, the dendrochronology community has benefited from the application of stable carbon isotopes in tree rings to answer a number of research questions, which has resulted in an exponential burst in the number of publications related to this discipline. Here, we perform a...

Author(s) : Shestakova, T. A.; Martínez-Sancho, E.

Publisher : Elsevier GmbH, Munich, Germany

Journal article : Dendrochronologia 2021 Vol.65

4. Xylan deposition and lignification in differentiating tension wood fibers in Mallotus japonicus (Euphorbiaceae) with multi-layered structure.

Xylan deposition and lignification processes were examined in tension wood fibers with gelatinous layers (G-layers) in Mallotus japonicus (Euphorbiaceae). The cell walls consisted of a multi-layered structure of S1 + S2 + G + n(L + G), where n indicates the number of repetitions (n = 0-3) and L...

Author(s) : Higaki, A.; Kadowaki, Y.; Yoshinaga, A.; Takabe, K.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.1-12 ref.40

5. Water sorption hysteresis in wood near 100°C.

Whether water sorption hysteresis exists above 75°C and the representation of its relationship with wood softening remains unclear. In this study, sorption hysteresis at three temperature levels, namely, 75, 90 and 99.5°C, was investigated using accurately controlled conditioning chambers using...

Author(s) : Shiemail JingBo; Kawai YaSuo; Avramidis, S.; Cai JiaBin; Dong HuiJun

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.13-21 ref.30

6. Investigation of the material resistance and moisture performance of pubescent oak (Quercus pubescens).

Forests are under great pressure due to climate changes. It is forecast that the importance of Mediterranean type forests will significantly increase. Among various types of oak species, pubescent oak (Quercus pubescens) will likely gain ecological and economic importance in the region south of...

Author(s) : Humar, M.; Balzano, A.; Grbec, S.; Gričar, J.; Kržišnik, D.; Lesar, B.; Vek, V.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.22-36 ref.many

7. Surface properties of thermally treated European beech wood studied by PeakForce Tapping atomic force microscopy and Fourier-transform infrared spectroscopy.

Natural constituents of wood cell-wall layers are affected in various ways by thermal treatment. This study investigated the effect of high-temperature treatment on the properties of cell-wall layers. The properties were studied using PeakForce quantitative nanomechanical mapping and...

Author(s) : Lagaňa, R.; Csiha, C.; Horváth, N.; Tolvaj, L.; Andor, T.; Kúdela, J.; Németh, R.; Kačík, F.; Ďurkovič, J.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.56-64 ref.many

8. Wettability of welded wood-joints investigated by the Wilhelmy method: part 1. Determination of apparent contact angles, swelling, and water sorption.

This study presents a novel application of the Wilhelmy plate method on welded joints of Scots pine sapwood and beech. Welding resulted in an increase in the contact angle (increased hydrophobicity) as well as a decrease in the water uptake and swelling of the welded pine-joint compared to...

Author(s) : Vaziriemail, M.; Karlsson, O.; Abrahamsson, L.; Lin ChiaFeng; Sandberg, D.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.65-74 ref.many

9. Wettability of welded wood-joints investigated by the Wilhelmy method: part 2. Effect of wollastonite additive.

The effect of wollastonite on the wetting properties of welded Scots pine-joints was studied using the multicycle Wilhelmy plate method and by observation of the chemical composition of the welded joints. Welding pine with wollastonite for 5 s resulted in a decrease in the water uptake and the...

Author(s) : Vaziri, M.; Karlsson, O.; Abrahamsson, L.; Moghaddam, M. S.; Sandberg, D.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.79-86 ref.many

10. Importance of pits in Corymbia citriodora (Hook.) K.D. Hill & L.A.S. Johnson (Myrtaceae) wood permeability.

Aim of this research was to evaluate the relationship between the biometrics of vessel-ray pits (RVP) and intervessel pits (IVP) with the water flow in different axes of Corymbia citriodora wood. C. citriodora wood specimens were used to correlate RVP and IVP dimensions with free water (FWFR),...

Author(s) : Monteiro, T. C.; Lima, J. T.; Abreu Neto, R.; Ferreira, C. A.

Publisher : Instituto de Florestas, Universidade Federal Rural do Rio de Janeiro, Seropédica, Brazil

Journal article : Floresta e Ambiente 2021 Vol.28 No.1 ref.15

11. Bio-based wood preservatives: their efficiency, leaching and ecotoxicity compared to a commercial wood preservative.

Companies in the wood industry are constantly developing their outdoor products. The possibility of using bio-based chemicals as an alternative to traditional wood preservatives-regulated in Europe by The Biocidal Products Regulation No 528/2012-has been considered, but chemical leaching from the...

Author(s) : Barbero-López, A.; Akkanen, J.; Lappalainen, R.; Peräniemi, S.; Haapala, A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Science of the Total Environment 2021 Vol.753

12. Review: periodate oxidation of wood polysaccharides - modulation of hierarchies.

Periodate oxidation of polysaccharides has transitioned from structural analysis into a modification method for engineered materials. This review summarizes the research on this topic. Fibers, fibrils, crystals, and molecules originating from forests that have been subjected to periodate oxidation...

Author(s) : Nypelö, T.; Berke, B.; Spirk, S.; Sirviö, J. A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.252 ref.many

13. Repeatability of adhesion force measurement on wood longitudinal cut cell wall using atomic force microscopy.

As a powerful tool to investigate the surface properties at a nanoscale resolution, the atomic force microscopy (AFM) encounters challenges in the measurement of plant materials such as wood surface. In particular, for rough and heterogeneous surfaces, a robust and easily performed positioning...

Author(s) : Juan Li; Bohumil, K.

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.3-16 ref.37

14. Fitting statistical distribution models to MOE and MOR in mill-run spruce and red pine lumber populations.

It has been mathematically demonstrated that the distribution of MOR in a graded lumber subpopulation does not have the same theoretical form as the distribution of the mill-run population from which the subpopulation is drawn. However, the distributional form of the graded lumber subpopulation...

Author(s) : Anderson, G. C.; Owens, F. C.; Verrill, S. P.; Ross, R. J.; Shmulsky, R.

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.17-26 ref.24

15. Analysis of hygro-mechanical behavior of wood in bending.

The empirical test developed as validation for a new beam element model that can account for both mechanical and environmental load action in finite element analysis is presented. The testing protocol allows for the identification and analysis of contributing deflection components in bending under...

Author(s) : Florisson, S.; Muszynski, L.; Vessby, J.

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.27-47 ref.34

16. Sound absorbing systems made of wood cross sections paired with void cavities - a first investigation.

This study investigates the possibility of exploiting the porous structure of wood for absorbing sound. With this aim, the following system is proposed: 1 the cross section of wood should be exposed to sound waves so that these can activate the vibration of air inside the wood pores; 2 the cross...

Author(s) : Negro, F.; Cremonini, C.; Fringuellino, M.; Meloni, F.; Prina, S.; Zanuttini, R.

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.69-76 ref.20

17. Knot occlusion and discoloration of Fraxinus mandshurica plantation.

As the discoloration of knot affects wood quality seriously, understanding the knot discoloration law and its influencing factors become an important basis for determining reasonable pruning. The 49-year-old Fraxinus mandshurica plantation was taken as the research object atthe Mengjiagang Forest...

Author(s) : Guan ZhuiZhui; Feng ChenXin; Zhang YanDong

Publisher : Editorial Board of Journal of NEFU, Harbin, China

Journal article : Journal of Northeast Forestry University 2021 Vol.49 No.1 pp.69-73 ref.10

18. Drought severity, disturbance intensity and wood density of dominant and rare tree species in Brazilian seasonally dry semideciduous forests.

Wood density is one of the main functional traits affecting demographic rates of tropical trees. However, little is known about how this translates into abundance of trees in local assemblages. I hypothesized that: (1) higher wood density would generally result in better adaptation to prevailing...

Author(s) : Cielo-Filho, R.

Publisher : Elsevier GmbH, Munich, Germany

Journal article : Flora (Jena) 2021 Vol.274 ref.many

19. Hornbeam pretreatment with protic ionic liquids: cation, particle size, biomass loading and recycling effects.

This work evaluated the use of protic ionic liquids (PILs) for the valorization of biomass at cost effective conditions; use of larger particle sizes, elevated biomass loadings and the reuse of PILs for pretreatment. PILs, triethylammonium hydrogen sulfate (TEAHSO4), 1-butylimidazolium hydrogen...

Author(s) : Semerci, I.; Ersan, G.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

20. Canada-U.S. softwood lumber dispute: background.

In this chapter, we examine the importance of softwood lumber production to Canada's economy and provide a brief history of the Canada-U.S. softwood lumber dispute and its resolution on various occasions using U.S. countervailing and anti-dumping duties, export taxes or various types of quota...

Author(s) : Kooten, G. C. van; Nelson, H.; Mokhtarzadeh, F.

Book chapter : International trade in forest products: lumber trade disputes, models and examples 2021 pp.10-26 ref.24

21. Effect of stem snapping on aspen timber assortment recovery in hemiboreal forests.

Post-disturbance salvage logging mitigates economic loss after windthrow, and the value of salvaged timber is strongly linked to its quality and dimensions. We studied the occurrence of wind-induced damage of aspen in the hemiboreal forests of Latvia based on data from the National Forest Inventory ...

Author(s) : Čakša, L.; Šēnhofa, S.; Šņepsts, G.; Elferts, D.; Liepa, L.; Jansons, Ā.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Forests 2021 Vol.12 No.1 ref.49

22. Variation in properties of the wood of Pinus caribaea var. hondurensis and Pinus tecunumanii.

This study aimed to evaluate if there are differences in wood properties between Pinus caribaea var. hondurensis and Pinus tecunumanii and their radial variations in individuals of 50 years of age, in the region of Itirapina, SP. For this, five trees of each species were felled. A disc of 7 cm...

Foreign Title :Variação em propriedades da Madeira de Pinus caribaea var. hondurensis e Pinus tecunumanii.

Author(s) : Lima, I. L. de; Oliveira, I. R. de; Barbosa, J. de A.; Ranzini, M.

Publisher : Graduate Program in Forestry and Environmental Sciences, Federal University of Mato Grosso / UFMT, Cuiabá, Brazil

Journal article : Advances in Forestry Science 2021 Vol.7 No.4 pp.1231-1240 ref.32

23. Wood preservatives in children's wooden toys from China: distribution, migration, oral exposure, and risk assessment.

A total of 90 wooden toys were collected, and six wood preservatives (chlorophenols and lindane) were analyzed by using gas chromatography-tandem mass spectrometry to assess the exposure risk of children to wood preservatives through oral contact with wooden toys. The detection rates of six...

Author(s) : Wang ZhiJuan; Liu YaHui; Li Tao; Zhang Qing; Bai Hua; Cai YaQi; Lv Qing

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Ecotoxicology and Environmental Safety 2021 Vol.209 ref.31

24. Improvement of wood decay resistance with cinnamaldehyde chitosan emulsion.

Environmental concerns over organic chemicals used for protecting wood and wood products from biological degradation have prompted the development of natural wood preservatives with lower health risks and prolonged efficacy. In this study, mixing chitosan and cinnamaldehyde to prepare an emulsion...

Author(s) : Fang SenMiao; Feng XueChun; Lei YaFang; Chen ZhangJing; Yan Li

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.160

25. Assessments of growth performance, crown structure, stem form and wood property of introduced poplar clones: results from a long-term field experiment at a lowland site.

Climate change brings about more frequent short-term waterlogging leading to unfavorable conditions for tree growth. Poplar is a preferred tree species for fast-growing plantations. Although limited short-term comparative studies exist with poplars that examine clonal variation in growth and...

Author(s) : Fang ShengZuo; Liu Yang; Yue Jia; Tian Ye; Xu Xizeng

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Forest Ecology and Management 2021 Vol.479 ref.many


Analysis of hygro-mechanical behavior of wood in bending. The empirical test developed as validation for a new beam element model that can account for both mechanical and environmental load action in finite element analysis is presented. The testing protocol allows for the identification and analysis of contributing deflection components in bending under...

Author(s) : Florisson, S.; Muszynski, L.; Vessby, J.

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.27-47 ref.34

16. Sound absorbing systems made of wood cross sections paired with void cavities - a first investigation.

This study investigates the possibility of exploiting the porous structure of wood for absorbing sound. With this aim, the following system is proposed: 1 the cross section of wood should be exposed to sound waves so that these can activate the vibration of air inside the wood pores; 2 the cross...

Author(s) : Negro, F.; Cremonini, C.; Fringuellino, M.; Meloni, F.; Prina, S.; Zanuttini, R.

Publisher : Society of Wood Science and Technology, Madison, USA

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.69-76 ref.20

17. Knot occlusion and discoloration of Fraxinus mandshurica plantation.

As the discoloration of knot affects wood quality seriously, understanding the knot discoloration law and its influencing factors become an important basis for determining reasonable pruning. The 49-year-old Fraxinus mandshurica plantation was taken as the research object atthe Mengjiagang Forest...

Author(s) : Guan ZhuiZhui; Feng ChenXin; Zhang YanDong

Publisher : Editorial Board of Journal of NEFU, Harbin, China

Journal article : Journal of Northeast Forestry University 2021 Vol.49 No.1 pp.69-73 ref.10

18. Drought severity, disturbance intensity and wood density of dominant and rare tree species in Brazilian seasonally dry semideciduous forests.

Wood density is one of the main functional traits affecting demographic rates of tropical trees. However, little is known about how this translates into abundance of trees in local assemblages. I hypothesized that: (1) higher wood density would generally result in better adaptation to prevailing...

Author(s) : Cielo-Filho, R.

Publisher : Elsevier GmbH, Munich, Germany

Journal article : Flora (Jena) 2021 Vol.274 ref.many

19. Hornbeam pretreatment with protic ionic liquids: cation, particle size, biomass loading and recycling effects.

This work evaluated the use of protic ionic liquids (PILs) for the valorization of biomass at cost effective conditions; use of larger particle sizes, elevated biomass loadings and the reuse of PILs for pretreatment. PILs, triethylammonium hydrogen sulfate (TEAHSO4), 1-butylimidazolium hydrogen...

Author(s) : Semerci, I.; Ersan, G.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

20. Canada-U.S. softwood lumber dispute: background.

In this chapter, we examine the importance of softwood lumber production to Canada's economy and provide a brief history of the Canada-U.S. softwood lumber dispute and its resolution on various occasions using U.S. countervailing and anti-dumping duties, export taxes or various types of quota...

Author(s) : Kooten, G. C. van; Nelson, H.; Mokhtarzadeh, F.

Book chapter : International trade in forest products: lumber trade disputes, models and examples 2021 pp.10-26 ref.24

21. Effect of stem snapping on aspen timber assortment recovery in hemiboreal forests.

Post-disturbance salvage logging mitigates economic loss after windthrow, and the value of salvaged timber is strongly linked to its quality and dimensions. We studied the occurrence of wind-induced damage of aspen in the hemiboreal forests of Latvia based on data from the National Forest Inventory ...

Author(s) : Čakša, L.; Šēnhofa, S.; Šņepsts, G.; Elferts, D.; Liepa, L.; Jansons, Ā.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Forests 2021 Vol.12 No.1 ref.49

22. Variation in properties of the wood of Pinus caribaea var. hondurensis and Pinus tecunumanii.

This study aimed to evaluate if there are differences in wood properties between Pinus caribaea var. hondurensis and Pinus tecunumanii and their radial variations in individuals of 50 years of age, in the region of Itirapina, SP. For this, five trees of each species were felled. A disc of 7 cm...

Foreign Title :Variação em propriedades da Madeira de Pinus caribaea var. hondurensis e Pinus tecunumanii.

Author(s) : Lima, I. L. de; Oliveira, I. R. de; Barbosa, J. de A.; Ranzini, M.

Publisher : Graduate Program in Forestry and Environmental Sciences, Federal University of Mato Grosso / UFMT, Cuiabá, Brazil

Journal article : Advances in Forestry Science 2021 Vol.7 No.4 pp.1231-1240 ref.32

23. Wood preservatives in children's wooden toys from China: distribution, migration, oral exposure, and risk assessment.

A total of 90 wooden toys were collected, and six wood preservatives (chlorophenols and lindane) were analyzed by using gas chromatography-tandem mass spectrometry to assess the exposure risk of children to wood preservatives through oral contact with wooden toys. The detection rates of six...

Author(s) : Wang ZhiJuan; Liu YaHui; Li Tao; Zhang Qing; Bai Hua; Cai YaQi; Lv Qing

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Ecotoxicology and Environmental Safety 2021 Vol.209 ref.31

24. Improvement of wood decay resistance with cinnamaldehyde chitosan emulsion.

Environmental concerns over organic chemicals used for protecting wood and wood products from biological degradation have prompted the development of natural wood preservatives with lower health risks and prolonged efficacy. In this study, mixing chitosan and cinnamaldehyde to prepare an emulsion...

Author(s) : Fang SenMiao; Feng XueChun; Lei YaFang; Chen ZhangJing; Yan Li

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.160

25. Assessments of growth performance, crown structure, stem form and wood property of introduced poplar clones: results from a long-term field experiment at a lowland site.

Climate change brings about more frequent short-term waterlogging leading to unfavorable conditions for tree growth. Poplar is a preferred tree species for fast-growing plantations. Although limited short-term comparative studies exist with poplars that examine clonal variation in growth and...

Author(s) : Fang ShengZuo; Liu Yang; Yue Jia; Tian Ye; Xu Xizeng

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Forest Ecology and Management 2021 Vol.479 ref.many