نتایج جستجو برای: wood products

تعداد نتایج: 327504  

Journal: :Journal of Innovative Science and Engineering (JISE) 2019

2018
Daeyeop Lee Joo-Hyon Kim Taksoo Kim Hyojung Yoon Areum Jo Byeongwoo Lee Hyunwoo Lim Pilje Kim Jungkwan Seo

Reliable exposure factors are essential to determine health risks posed by chemicals in consumer products. We analyzed five risk-concerned product categories (anti-fogging, dye, disinfectant, repellent, and preservative products) for 13 products (three car anti-fogging products, a lens anti-fogging product, two car dye products, two drain disinfectants, an air conditioner disinfectant, a chlori...

2002
Vytenis Babrauskas

This review encompasses the available practical and experimental data on the ignition of solid wood. Only solid, natural wood is considered, not sawdust, chips, or products that have been treated with fire retardants or other substances, nor is the ignition of living trees. Panel products such as plywood or particleboard have ignition properties very similar to solid wood, so the solid-wood res...

2008
S. Lee

Chikusaku-eki and Mokusaku-eki are natural resources and acidic liquid by-products of bamboo and broad leaved trees charcoal burner. These products contain more than 200 ingredients, including phenols, poly phenols and acetic acids. These by-products were tested for their fungicidal activity against sapstaining fungi. There are no studies about the antifungal activity of Chikusaku-eki and Mokus...

1994
Terry L. Highley Carol A. Clausen Suki C. Croan Frederick Green Barbara L. Illman Jessie A. Micales

Growing concerns about the environment present an urgent need for new approaches to preserving wood. Some commonly used preservatives have been banned or restricted in several countries. Scientists at the Forest Products Laboratory , USDA Forest Service, are exploring new approaches for detecting and preventing wood decay. Progress in this ongoing research program is presented in two research p...

Journal: :European Journal of Forest Research 2009

2012
Guofeng Wu Qian Lang Heyu Chen Junwen Pu

Methylolurea and carbamide were used to impregnate eucalyptus wood to improve its physical and chemical properties. The physical properties and dimensional stability were examined. TGA was used to evaluate the thermal stability of the wood. FTIR was used to state the changes of functional groups. The changes of wood structure were observed by SEM. The results showed the bending strength and com...

Journal: Journal of Herbal Drugs 2011
Ali Nejat Lorestani Farzad Jalilian Tabar, Rashid Gholami

Background & Aim: Increasing economic role of medicinal herbs in recent society and complexity of modern technologies in production (planting and harvesting), transportation, storage, processing, quality evaluation, distribution, marketing and consumption of these products require a thorough understanding of their physical properties. Coefficient of friction of plant on the various surfaces is ...

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