نتایج جستجو برای: osb
تعداد نتایج: 456 فیلتر نتایج به سال:
Otizm Spektrum Bozukluğu (OSB) etyolojisinde birden fazla faktörün rol aldığı nörogelişimsel bir bozukluktur. OSB tanılı çocukların ebeveynleri geleneksel tıbbi tedavilerden yeterince fayda sağlayamadıkları gerekçesiyle sıklıkla tamamlayıcı ve alternatif tedavilere (TAT) yönelebilmektedir. Bu gözden geçirme yazısında TAT kavramının tanımı, kullanım yaygınlığı, OSB’de kullanılan yöntemleri etkin...
An extensive test program was conducted to develop nail withdrawal design values for wood structural panels. Tested variables included: nail type (plain shank vs. deformed shank), panel type (plywood vs. OSB) and thickness, and exposure condition. Testing followed the procedures described in ASTM D1761. Based on the test results, the recommended allowable nail withdrawal strength for plywood an...
This study presents an in-depth investigation of interface modeling techniques in ordinary state-based peridynamics (OSB-PD). By performing numerical examples, the accuracy each technique is investigated by comparison with finite element solutions for simple bimaterial problems. Subsequently, capabilities OSB-PD treating material interfaces complicated geometries are demonstrated solving variou...
Tensile and the moisture-induced thickness swelling properties of wood strands are among the most fundamental parameters in modeling and predicting engineering constants of strand-based composites such as oriented strandboard (OSB). The effects of hot-pressing and resin-curing on individual strand properties were investigated in this study. Strands from four Louisiana-grown species—willow (Sali...
Otizm Spektrum Bozukluğu (OSB), erken dönemde başlayan, dil gelişimi, davranış ve sosyal etkileşim gibi temel fonksiyonların gelişmesinde gecikmeleri de kapsayan karmaşık bir gelişimsel yetersizliktir. İlgili literatür incelendiğinde, (OSB) çalışmalarının genellikle tıp, psikoloji veya eğitim bilimleri alanında yapıldığı gözlemlenmiş; ancak kitle iletişim araçlarının, otizmin farkındalığına yön...
In-plane density variations exist in oriented strandboards (OSB) due to random flake deposition in mat forming. The integrity of structural performance of the board in service depends on the degree of homogeneity of its horizontal density. In this paper, non-contact ultrasound (NCU – air-coupled) in through transmission was used specifically to correlate the NCU parameters to the spatial densit...
The objective of this paper was to examine the effect that chemical modification of raw material had on fire resistance of two panel products, namely Oriented Strand Board (OSB) and particleboard and to investigate the influence of the anhydride type. The results have shown that chemical modification affected the ignition and glowing time of two wood panel products.
In view of the lack studies aimed at producing and assessing effects heat treatment Oriented Strand Board (OSB) panels, this paper evaluated thermal degradation kinetics raw materials, physical mechanical properties panels made with eucalyptus wood castor oil-based polyurethane adhesive. The OSB were subjected to post-production (at 175 200 °C), replacing use chemical preservatives. Furthermore...
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