نتایج جستجو برای: the 17259 tons therefore
تعداد نتایج: 16053866 فیلتر نتایج به سال:
On the basis of Iran’s National 20-Year Development Outlook, it is considered a must to develop infrastructural steel industry. Evidently, planning for meeting the domestic needs seriously requires focused technical and economic studies. In this way, identifying and projecting Iran’s raw steel demand pattern are regarded of infrastructural importance and priority for any production program. The...
A symbol is a pattern (of physical marks, electromagnetic energy, etc.) which denotes, designates, or otherwise has meaning. The notion that intelligence requires the use and manipulation of symbols, and that humans are therefore symbol systems, has been extremely in uential in arti cial intelligence. keywords: symbol, reasoning, intelligence, representation, logic This article has two parts. W...
1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...
Background: Iran is located in the seventh rank in terms of CO2 emissions resulting from the fuel combustion in the world. Gas compressor booster stations, due to the several sources of contaminants, are causing the release of large amounts of CO2 and CH4, which will cause climate change therefore, estimating the emissions of the gases from oil and gas, different processing units are necessary....
This paper argues that if the management of renewable resources, in particular plantations, were to opt for an innovative approach to the full use of all components of the biomass generated by crops and trees, it would convert the producers of biomass into an economic power house of the 21st century, comparable to the petroleum industry of the 20th century. It would become an engine for growth,...
In this research, sediment production and delivery amount by Darabkola forest roads was estimated using the SEDMODL model. To evaluate the model results, the sedimentation rate in the above roads was directly measured using rainfall simulator. Also, the paired t-test, BIAS, RE and RMSE were used to assess the results. The analysis showed that the rate of sediment production from study roads' su...
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