Search results: 46,709 results (approx.)

1. Cellulose derivatives-snail slime films: new disposable eco-friendly materials for food packaging.

In recent decades, synthetic plastic polymers have been the most practical and economical solution for packaging applications due to their low cost, availability, excellent optical, mechanical and barrier properties and resistance against water. However, most of the plastics used for packaging are...

Author(s) : Filippo, M. F. di; Dolci, L. S.; Liccardo, L.; Bigi, A.; Bonvicini, F.; Gentilomi, G. A.; Passerini, N.; Panzavolta, S.; Albertini, B.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Hydrocolloids 2021 Vol.111

2. Utilization of ground peanut husk as an alternative fiber material for particleboard.

The potential for using peanut (Arachis hypogaea) husks as an alternative fiber for particleboard production was examined at five different levels of melamine-urea-formaldehyde resin (MUF). The resulting panels were evaluated for moisture absorption, thickness swell, flexural properties (modulus of ...

Author(s) : Newton, J. A.; Morrell, J. J.

Publisher : Forest Products Society, Madison, USA

Journal article : Forest Products Journal 2021 Vol.70 No.4 pp.416-419

3. GluBam beams: influence of the roughness of the bamboo laminas on the shear stress and the sliding modulus of bonded joint.

The objective of this work is to determine the influence of the roughness of the laminas on the shear stress and sliding modulus of a bamboo-bamboo glued bond. Six types of surface treatments were made on bamboo laminas. For each surface treatment the surface roughness, the rupture shear stress,...

Author(s) : Carrasco, E. V. M.; Smits, M. A.; Alves, R. C.; Pizzol, V. D.; Oliveira, A. L. C.; Mantilla, J. N. R.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Biosystems Engineering 2021 Vol.203 pp.98-108

4. Lifecycle cost assessment of high strength carbon and stainless steel girder bridges.

This paper addresses the lifecycle cost assessment of a steel girder bridge considering the material costs and maintenance activities along the bridge's lifecycle. A reference highway bridge case study is chosen. It was initially designed using carbon steel S355. Two more steel grades are included...

Author(s) : Karabulut, B.; Ferraz, G.; Rossi, B.

Publisher : Elsevier, Amsterdam, Netherlands

Journal article : Journal of Environmental Management 2021 Vol.277 ref.many

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. Fatigue behavior of beech and pine wood modified with low molecular weight phenol-formaldehyde resin.

Modification of wood improves certain properties of natural wood and presents competitive alternatives to synthetic materials that may have larger environmental impacts. One aspect of modified wood that is currently not fully understood is the dynamic performance and how it is affected by the...

Author(s) : Pečnik, J. G.; Kutnar, A.; Militz, H.; Schwarzkopf, M.; Schwager, H.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.37-47 ref.43

8. Characteristics of radio-frequency/vacuum combined with mechanical press drying of heavy softwood timbers with longitudinal kerf.

The aim of this study was to evaluate the characteristics of radio-frequency/vacuum combined with mechanical press (RF/VP) drying on three softwood timbers (Douglas fir, Hemlock, and Radiata pine) with longitudinal kerfs. The results were as follows: Due to the dielectric permittivity of wood,...

Author(s) : Zhao XueFeng; Lee ChangJin

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.48-55 ref.19

9. 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

10. 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

11. Chemical improvement of surfaces. Part 6: enhanced flame retardancy of Scots pine sapwood by covalent modification with phosphorus and boron functionalized benzoates.

The broad applicability of the wood modification protocol recently published by Kaufmann et al. allows to improve the fire resistance of renewable materials, too. In this study organophosphorus and organoboron compounds have been synthesized, characterized and subsequently applied for enhanced...

Author(s) : Ehrhardt, C.; Tapken, M.; Namyslo, J. C.; Kaufmann, D. E.

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.83-90 ref.21

12. Properties of a formaldehyde-free tannin adhesive and mechanical strength of oriented bamboo scrimber board bonded with it.

In this study, oriented bamboo scrimber board (OBSB) was manufactured with a synthesized formaldehyde-free tannin adhesive. The chemical properties of the tannin adhesive were analyzed with 13C nuclear magnetic resonance spectroscopy (13C-NMR) and diffuse reflectance infrared Fourier transform...

Author(s) : Chung MinJay; Chang TzuCheng; Chang ShangTzen; Wang ShengYang

Publisher : Walter de Gruyter, Berlin, Germany

Journal article : Holzforschung 2021 Vol.75 No.1 pp.91-100 ref.36

13. Facile preparation of all-cellulose composites from softwood, hardwood, and agricultural straw cellulose by a simple route of partial dissolution.

In this study, we report a novel, facile, and green method that was used for creating a new all-cellulose composite (ACC) based on inorganic molten salt solvent. Three representatively native fibers from softwood (Pinus kesiya), hardwood (Eucalyptus globulus), and agricultural straw (Zea mays) were ...

Author(s) : Tang XiaoNing; Liu GaoZhe; Zhang Heng; Gao Xin; Li Meng; Zhang ShuMei

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Carbohydrate Polymers 2021 Vol.256

14. From dredged sediment to supplementary cementitious material: characterization, treatment, and reuse.

Nowadays, the preservation of natural resources, the reuse, and the recycling of waste and by-products in the cement industry are gaining increasing attention in a sustainable development project. In this perspective, many studies focus on finding solutions in order to propose environmentally...

Author(s) : Amar, M.; Benzerzour, M.; Kleib, J.; Abriak, N. E.

Publisher : International Research and Training Centre on Erosion and Sedimentation, Beijing, China

Journal article : International Journal of Sediment Research 2021 Vol.36 No.1 pp.92-109 ref.many

15. Ultrasound detection of cosmic filler injection of lips in camel beauty pageants: first report in veterinary medicine.

This study was carried out in Saudi Arabia during the events of the 4th King Abdulaziz Camel Festival, Saudi Arabia. It was designed to describe the most frequent locations of injected cosmetic fillers in the head region as well as the ultrasound features of the injected material. Apparently...

Author(s) : Mohamed Tharwat; Abdulla Al-Hawas

Publisher : Springer Berlin, Heidelberg, Germany

Journal article : Tropical Animal Health and Production 2021 Vol.53 No.53 ref.many

16. Influence of heat treatment processing three phase region on the microstructure and hardness ADI alloys.

In this paper, the Austempering Ductile Iron (ADI) with Dual Matrix Structure is the alloy which has high strength and ductility, good wear resistance and machinability. Structural studies show that in Austempering Ductile Iron, there are proeutectic ferrite and ausferrite phases. The ausferite...

Publisher : Polskie Towarzystwo Leśne, Warsaw, Poland

Journal article : Sylwan 2021 Vol.165 No.2

17. Mechanical characterization and hybridization of fiber reinforced composites.

Fiber reinforced Composites (FRC) play a vital role in engineering applications due to its light weight and high strength property. FRCs offer the excellent mechanical properties compared to its constituent materials. The objective of the current study is to investigate and characterize the hybrid...

Publisher : Polskie Towarzystwo Leśne, Warsaw, Poland

Journal article : Sylwan 2021 Vol.165 No.2

18. 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

19. 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

20. An investigation on the effects of wooden species of dowels and the end distance of catch connectors (Clamexp14) on the bending moment of L-type corner joints for RTA (ready to assemble) furniture.

In this study, the effects of the wood species of dowels and the end distance were examined relative to the moment resistance of L-type corner joints with catch connector (ClamexP14) and three different wood species of dowels were used as specimen (as used in the furniture industry). L-type joint...

Author(s) : Karaman, A.

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

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.48-61 ref.31

21. Preparation and characterization of cellulose films from ficus natalensis bark cloth fibers.

In this study, cellulose films were prepared from Ficus natalensis bark cloth fibers via phase inversion technique using NaOH/urea/water as the solvent. Films were formed at a concentration of 7 wt. % and 8 wt. % of microcrystalline cellulose (MCC) as isolated from Ficus natalensis bark cloth...

Author(s) : Wang Hua; Innocent MugaanireTendo; Memon Hafeezullah; Jin XiaoKe; Zhu FeiChao

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

Journal article : Wood and Fiber Science 2021 Vol.53 No.1 pp.62-68 ref.22

22. 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

23. Valorization of organosolv lignin: architectural strategy to enhance mechanical strength and UV protection in self-healing polymers.

Altering the architecture of conventional self-healing polymers, from the original linear to a multiple-branched structure, has proved to be efficient in improving the mechanical properties. A novel strategy to achieve similar results is to utilize organosolv lignin, a renewable biopolymer with...

Author(s) : Huang WeiQi; Wu Mang; Kalavathy Rajan; Wang ZhongKai; Zhou Liang

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

24. Toughening of natural rubber nanocomposites by the incorporation of nanoscale lignin combined with an industrially relevant leaching process.

Strong and tough nanocomposite materials based on natural rubber (NR) latex demonstrate increasing potential to be used in advanced engineering applications and personal care products. Among many approaches for improving the toughness of NR-based products, the use of renewable and bio-based...

Author(s) : Hosseinmardi, A.; Amiralian, N.; Hayati, A. N.; Martin, D. J.; Annamalai, P. K.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2021 Vol.159

25. Design and characterization of poly (3-hydroxybutyrate-co-hydroxyhexanoate) nanoparticles and their grafting in whey protein-based nanocomposites.

This work succeeded in the preparation of a nano-biocomposite material based on the use of poly-3-hydroxybutyrate-co-hydroxyhexanoate nanoparticles (PHBHHx-NPs) within a scaffold of whey protein (WP) based films. The experimental conditions for PHBHHx-NPs preparation by solvent-evaporation...

Author(s) : Corrado, I.; Abdalrazeq, M.; Pezzella, C.; Girolamo, R. di; Porta, R.; Sannia, G.; Giosafatto, C. V. L.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Hydrocolloids 2021 Vol.110 ref.43