نتایج جستجو برای: پلاستیک a 150
تعداد نتایج: 13451320 فیلتر نتایج به سال:
(This article does not have an abstract.) Toni Dávila George Foster Daniel Oyon “Accounting and control, entrepreneurship and innovation: Venturing into new research opportunities”, European Accounting Review, Vol. 18, No 2, June 2009, pages 281–311. Abstract: The relevance of accounting and control to entrepreneurship and innovation has become more salient over the last few years. The traditio...
A biomaterial derived from porcine intestinal submucosa has been used in the development of a new biologic wound matrix. This review describes the origin of the wound matrix device, including the discovery of the biomaterial and its properties, to the development of the commercial product currently in clinical use. The composition and structure of this biomaterial are described and considered a...
As more horticultural producers in the United States transition to organic production practices, they are challenged in finding consistent and economically viable sources of suitable potting media. Commercial, peat-based media approved for certified organic production are available and custom peat-based mixes that use certified organic fertilizers could also be used. Both of these options, howe...
چکیده در این پژوهش, اثر تیمار گرمآبی ذرات چوب و سازگار کننده انیدرید مالئیک پلی پروپیلن (mapp) بر ویژگیهای فیزیکی و مکانیکی چندسازه چوب- پلاستیک مورد بررسی قرار گرفت. برای این منظور آرد چوب در رآکتور ویژه اصلاح چوب در دمای 150 درجه سانتی گراد و در سه مدت زمان ماندگاری 0, 30 و 60 دقیقه تیمار شد. سپس آرد چوب تیمار شده با نسبت آرد چوب به پلی پروپیلن (70%- 30% و 60%- 40%) با میزان 0 و 2% سازگار کن...
Este artigo descreve os tópicos usados no Págico, a primeira avaliação conjunta em recolha de informação centrada em tópicos relacionados com a lusofonia, usando o material da Wikipédia em português. Depois de uma explicação sobre como os tópicos foram escolhidos e de questões associadas à sua escolha e à sua categorização posterior, os tópicos são apresentados por categoria. Comentamos também ...
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