منابع مشابه
Wood Char Depth: Interpretation in Fire Investigations
INTRODUCTION Wood char depth patterns have been considered important by fire investigators in most countries where significant use is made of wood as a construction material. This is natural, since post-fire patterns found on wood members are generally more pronounced and extensive than those found on many other construction materials. But the present state of affairs has been such that there i...
متن کاملEffect of Heat Upon the Dimensional Stabilization of Wood
HEATING WOOD TO TEMPERATURES considerably above normal seasoning temperatures is the oldest, simplest, and cheapest means now known for stabilizing the dimensions of wood, but the treatment, unfortunately, embrittles the wood significantly (8, 9, 13). Dimensional stabilization of wood with heat has been previously shown to be dependent upon a combination of temperature and time. The time requi...
متن کاملChemical composition and liberation characterization of printed circuit board comminution fines for beneficiation investigations.
Chemical composition and liberation are critical attributes in characterizing a resource stock for beneficiation investigations. Though end-of-life printed circuit board is recognized as a valuable secondary resource stock, no procedural standard exists for the determination of its chemical composition, nor for the -75 microm fines generated during its comminution. The effect of the digestion p...
متن کاملAngiomyoma of the Hard Palate
Leiomyoma is a rare benign neoplasm deriving from smooth muscle. Vascular leiomyoma is its most common subtype in the oral cavity. It may appear at any age with the greatest incidence in the 4th and 5th decade of life. The common manifestation is a slow-growing, asymptomatic, submucousal mass. The diagnosis is only through microscopic examination requiring special staining...
متن کاملPharmacognostic and Preliminary Phytochemical Investigations on Pterospermum Acerifolium Wood
Pterospermum acerifolium plant is considered to be laxative, anthelmintic, stomachic and used in inflammation, blood disorders, ulcers and leprosy. The wood was studied for pharmaconostic evaluations, including examination of morphological and microscopic characters, determination of ash values and extractive values. The morphological studies revealed that the wood is yellowish in color with sm...
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ژورنال
عنوان ژورنال: JAPAN TAPPI JOURNAL
سال: 1959
ISSN: 0022-815X,1881-1000
DOI: 10.2524/jtappij.13.196