Search results: 96,636 results (approx.)

1. Exploring new frontiers in forecasting forest growth, yield and wood property variation.

Author(s) : Drew, D. M.

Publisher : Springer-Verlag, Paris, France

Journal article : Annals of Forest Science 2021 Vol.78 No.2 ref.7

2. Minimum and maximum wood density as proxies of water availability in two Mexican pine species coexisting in a seasonally dry area.

Key message: Minimum wood density is a proxy of soil moisture during the early growing season. Maximum wood density responds to late growing-season drought. Seasonally dry areas are ideal settings to refine our understanding of tree growth proxies of water availability. Despite recent...

Author(s) : Pompa-García, M.; Hevia, A.; Camarero, J. J.

Publisher : Springer-Verlag GmbH, Berlin, Germany

Journal article : Trees: Structure and Function 2021 Vol.35 No.2 pp.597-607 ref.many

3. Advances and prospects of wood identification technology coupled with computer vision.

Forests house over half of the world's wild plant and animal species, and produce valuable forest products for human. The over-exploitation of forest products poses huge threats to global biodiversity and ecosystem. China is one of the world's largest countries in the production, trade and...

Author(s) : He Tuo; Liu ShouJia; Lu Yang; Jiao LiChao; Yin YaFang

Publisher : Journal of Forestry Engineering, Nanjing, China

Journal article : Journal of Forestry Engineering 2021 Vol.6 No.3 pp.18-27 ref.10

4. Effect of earlywood vessel distribution on creep characteristics of ring-porous oak wood.

Rheological behavior of wood is closely related to factors such as moisture content and temperature, and is also closely related to the composition and arrangement of wood cells. In some cases, the latter may have a greater impact. Especially for the annular hardwood with many earlywood vessels,...

Author(s) : Yin YeQiao; Hou JunFeng; Jiang ZhiHong; Yu YouMing

Publisher : Journal of Forestry Engineering, Nanjing, China

Journal article : Journal of Forestry Engineering 2021 Vol.6 No.3 pp.54-60 ref.7

5. Heuristic study on the interaction between heat exchange and slow relaxation processes during wood moisture content changes.

Non-Fickian" diffusion of wood moisture refers to the unexplained anomalous behaviour of water vapour sorption in wood. The depression of moisture diffusion rates in thin sections of wood tissue during moisture con-tent change at high relative humidity is one of the least-understood aspects of...

Author(s) : Willems, W.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.4 pp.303-312

6. Moisture content dependence of anisotropic vibrational properties of wood at quasi equilibrium: analytical review and multi-trajectories experiments.

This article aims at providing a synthetic view of the equilibrium moisture content (EMC) dependence of wood vibrational properties (i.e. dynamic mechanical properties in the audio-frequency range), including specific dynamic modulus of elasticity (Ely) and damping coefficient expressing internal...

Author(s) : Brémaud, I.; Gril, J.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.4 pp.313-327

7. Transient destabilisation in anisotropic vibrational properties of wood when changing humidity.

Moisture changes cause transient effects in various polymeric materials. In wood, they are mainly documented in semi-static or low-frequency domains and could explain various anomalies in wood behaviour, including the so-called mechano-sorptive effect. This article aimed at exploring and...

Author(s) : Brémaud, I.; Gril, J.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.4 pp.328-344 ref.many

8. Rapid and nondestructive evaluation of hygroscopic behavior changes of thermally modified softwood and hardwood samples using near-infrared hyperspectral imaging (NIR-HSI).

The objective of this work was to provide a rapid and nondestructive imaging method for evaluating the hygroscopic behavior of thermally modified lignocellulosic materials (softwood and hardwood). The difference in the hygroscopic behavior was explained by moisture content (MC) mapping results and...

Author(s) : Ma, T.; Schimleck, L.; Inagaki, T.; Tsuchikawa, S.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.4 pp.345-357

9. Tensile properties of surface modified bamboo slices coated with epoxy resin considering the corrosion of acid and alkali environment.

This paper presents an anticorrosive method to protect bamboo from the corrosion induced by coating a layer of epoxy resin on the surface of bamboo slices. Four surface modifications including heat treatment, alkali treatment, coupling treatment and acetylation treatment are applied to bamboo...

Author(s) : Ma Qiang; Liu Zhao; Xiao HengLin; Chen Zhi

Publisher : Slovak Forest Products Research Institute, Bratislava, Slovakia

Journal article : Wood Research (Bratislava) 2021 Vol.66 No.2 pp.183-194 ref.38

10. Mechanical properties of spruce wood extracted from GLT beams loaded by fire.

Heating wood to high temperature changes either temporarily or permanently its physical properties. This issue is addressed in the present contribution by examining the effect of high temperature on residual mechanical properties of spruce wood, grounding on the results of full-scale fire tests...

Author(s) : Kucíková, L.; Šejnoha, M.; Janda, T.; Sýkora, J.; Padevět, P.; Marseglia, G.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.10 ref.28

11. Energy refurbishment of family houses in Serbia in line with the principles of circular economy.

To achieve material efficiency, the ongoing initiative to improve thermal properties of family houses in the Republic of Serbia should include harmonization with internationally established and nationally adjusted principles of circular economy. The overall aim of this study was to propose a...

Author(s) : Kosanović, S.; Miletić, M.; Marković, L.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.10 ref.42

12. Anisotropic superhydrophobic wood surface using morph-genetic plant via nanoimprint lithography.

A combination of nanoimprint lithography and silane grafting modification was used to transfer the micro-and nano-slotted ribs locating on the surface of Zizania leaves onto wood surface, in order to create a biomimetic wood material with anisotropic superhydrophobicity. The microstructure,...

Author(s) : Yang YuShan; Shen HuaJie; Qiu Jian

Publisher : Fujian Agriculture and Forestry University, Fuzhou, China

Journal article : Journal of Fujian Agriculture and Forestry University (Natural Science Edition) 2021 Vol.50 No.1 pp.134-139 ref.22

13. Optimization and empirical modelling of physical properties of hydrothermally treated oil palm wood in different buffered media using response surface methodology.

Physical properties are one of the drawbacks of oil palm wood (OPW) and they need to be improved via an appropriate method. The response surface methodology (RSM) based on central composite design (CCD) was used to evaluate and optimize the parameters of a hydrothermal treatment and to create an...

Author(s) : Ebadi, S. E.; Zaidon Ashaari; Mohammad Jawaid

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2385-2405 ref.many

14. Effects of three-layer structure and age on mechanical properties of moso bamboo.

The effects of a three-layer structure and age on the mechanical properties of moso bamboo were investigated. The ages of 1-, 3-, and 5-year-old bamboo were chosen to make test samples, and specimens from each age of moso bamboo were divided into three groups (raw bamboo, bamboo removed from outer...

Author(s) : Han Ge; Li RongRong; Wang ChuanGui

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2406-2415 ref.21

15. Transparent wood prepared by polymer impregnation of rubber wood (Hevea brasiliensis Muell. Arg).

Transparent wood (TW), a new type of composite material with good optical transmittance and excellent mechanical properties, has attracted great interest in recent years. In this study, a hydrogen peroxide strategy was used on rubber wood (Hevea brasiliensis Muell. Arg) to eliminate lignin and...

Author(s) : Yue DaRan; Fu GuoHua; Jin ZhiYang

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2491-2502 ref.23

16. Increasing the impregnability of oriental spruce wood via microwave pretreatment.

Microwave (MW) pretreatment was used to increase the impregnability of Oriental spruce sapwood (Picea orientalis (L.) Link.). Wood samples with moisture contents of 55% and 83% were subjected to different MW energy treatments (1156 MJ/m3 and 1542 MJ/m3). Additionally, the mechanical properties of...

Author(s) : Kol, H. S.; Çayir, B.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2513-2523 ref.26

17. Application of variant transfer learning in wood recognition.

Wood is a material commonly found in nature and is widely used in all professions and industries. Because wood has varied growth cycles and physical properties, there are large differences in its usage and commercial price. In addition, some woods are nationally protected species. Therefore, it is...

Author(s) : Huang PengGui; Zhao Fan; Zhu Zheng; Zhang YanFeng; Li XiaoPing; Wu ZhangKang

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2557-2569 ref.33

18. Theoretical determination of pit membrane natural frequency for destruction by resonance effect.

The low permeability of many wood species causes significant problems during processing. Industrial methods used for increasing wood permeability reduce strength properties, are energy consuming, and are not viable economically. Destruction of pit membranes in wood cell walls can provide an...

Author(s) : Terziev, N.; Daniel, G.; Torgovnikov, G.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2683-2695 ref.14

19. Evaluation of the antagonistic effect and influencing factors of Bacillus subtilis against wood stain fungi: a systematic literature review and meta-analysis approach.

Wood sapstain is a serious problem caused by the wood stain fungus, and it has a great influence on the international wood industry. The utilization of biological methods has good prospects for wood conservation. The objective of this study was to systematically estimate the antagonistic effect and ...

Author(s) : Huang CongXun; Wang LiHai; Xu GuoQi; Zhao PengWei; Wang ChuHong

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2789-2803 ref.42

20. Biochar hydrological characteristics in related to branch wood properties.

Branch wood possesses unique properties that may affect biochar characteristics. Despite the abundance of broad studies on biochar, the correlation between feedstock properties and biochar hydrological characteristics has yet to be elucidated. Therefore, in this work the tree branch wood properties ...

Author(s) : Suansa, N. I.; Al-Mefarrej, H. A.; Alshahrani, T. S.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.2824-2837 ref.37

21. Use of a pin-penetration wood density meter to determine the density of 25 Indonesian species.

The pin-penetration device is a minimally destructive instrument that is widely used to estimate the physical properties of wood, e.g., density, with advantages such as reduced testing times, low costs, and fewer defects induced in the wood being tested. In this study, such a device was used on 25...

Author(s) : Karlinasari, L.; Fredisa, Y.; Adzkia, U.; Fauziyyah, S.; Dwiyanti, F. G.; Siregarb, I. Z.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.3032-3045 ref.36

22. Welding of thermally modified wood and thermal modification of the welded wood: effects on the shear strength under climatic conditions.

This work investigated how thermal modification affects the shear strength of welded joints under different climatic conditions. The order of the thermal modification, before or after the welding, was investigated for its effect on the shear strength of the welded wood. Two groups of thermally...

Author(s) : Vaziri, M.; Sandberg, D.

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.3224-3234 ref.14

23. Surface physical structure and durability of superhydrophobic wood surface with epoxy resin.

In this study, a superhydrophobic wood surface was prepared with amino-functionalized nano-silica (SiO2) particles, epoxy resin (EP) of different curing times, and octadecyltrichlorosilane (OTS). The micro-nano structures of the wood samples were represented by scanning electron microscopy (SEM),...

Author(s) : Kang Fan; Yi ZeDe; Zhao Bo; Qin ZhiYong

Publisher : North Carolina State University, College of Natural Resources, Raleigh, USA

Journal article : BioResources 2021 Vol.16 No.2 pp.3235-3254 ref.34

24. Location and identification of oak wood defect by deep learning.

As the value of oak wood increases, it is necessary to think of solutions that help make use as much material as possible during the industrial processing of wood. In order to study the possibilities of efficient use of wood, the specific oak wood features and defects were compiled from images...

Author(s) : Romanovskis, G.; Bumanis, K.; Kulikovskis, G.; Rivza, P.

Publisher : Latvia University of Life Sciences and Technologies, Jelgava, Latvia

Conference paper : Proceedings of 20th International Scientific Conference "Engineering for Rural Development", Jelgava, Latvia, 26-28 May 2021 2021 pp.1837-1842 ref.15

25. Evaluating basic density calibrations based on NIR spectra recorded on the three wood faces and subject to different mathematical treatments.

Background: Near infrared (NIR) spectroscopy has been successfully applied to estimate the chemical, physical and mechanical properties of various biological materials, including wood. This study aimed to evaluate basic density calibrations based on NIR spectra collected from three wood faces and...

Author(s) : Amaral, E. A.; Santos, L. M. dos; Hein, P. R. G.; Costa, E. V. S.; Rosado, S. C. S.; Trugilho, P. F.

Publisher : New Zealand Forest Research Institute, Rotorua, New Zealand

Journal article : New Zealand Journal of Forestry Science 2021 Vol.51 No.1