نتایج جستجو برای: wood and paper industry and construction sectors
تعداد نتایج: 16954935 فیلتر نتایج به سال:
in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...
This paper reviews the application of distributed artificial intelligence (DAI) techniques in the construction industry. DAI is concerned with understanding and modelling action and knowledge in collaborative and geographically distributed enterprises. The metaphor of a functionally distributed organisation immediately makes DAI techniques suitable for solving some of the complex problems often...
Building industry as one of the greatest industries in Iran comprises a significant share of waste generation in the country. Since a large quantity of the generated construction waste is buried due to the lack of a recycling protocol, it leads to an undesired waste of resources and causes severe environmental issues. This paper provides a study on the problem of material loss/construction wast...
This paper presents the results of a case study, the Construction Case, which examines procurement practices within the UK construction supply chain and compares these with a more general UK sample taken from non-construction sectors. Using a qualitative methodology, the approaches to relationship management and buyer value perception are graphically mapped, using an innovative ‘transaction X-r...
Tourism is one of the best sources of economic growth and job creation in every region. Khorasan Razavi province, especially Mashhad as the second-largest religious city of the world and the spiritual capital of the Shiite world, has tourism capabilities with very valuable religious and cultural functions. The main purpose of this study is to investigate the employment situation in each of the ...
Adhesives products and demand for them in China are discussed in this paper with special emphasis on wood adhesives products in this decade. In 1994, the wood industries in China consumed more than 330,000 tons of adhesives. The estimated demand for wood adhesives will be more than 560,000 tons in the year 2000. The main wood adhesive used is urea-formaldehyde resin. Its consumption in 1994. wa...
Today, tourism industry, as a dynamic industry, has devoted an important part of production activities in the world by its development-oriented features. Hence its development in a country requires factors such as an appropriate strategy, planning and efficient management. In this paper, the status of tourism industry in Zanjan Province has been evaluated using SWOT technique and Input-Output t...
viewpoints related to busines cycles fluctutions and their use in economic anticipation process have drawn the attention of various intellectual spectrum and economic schools. this has, in turn, caused the formation of a modern scientific area known as future study. according to the major aims of this field of this field of knowledge, business cycles future changes and the variables affecting t...
the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...
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