نتایج جستجو برای: new and waste short nylon fiber 66

تعداد نتایج: 17229506  

Journal: :Characterization and Application of Nanomaterials 2018

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the comparative effect of story retelling and role playing on efl learners’ vocabulary learning and reading comprehension. to carry out the purpose of the study 90 female learners of tabarestan language school located in noshahr were non-randomly selected. they took pet test and among these 90 participants 62 students were selected as homogenous learners...

Background and Objectives: The quantitative and qualitative data on urban solid waste is one of the essential steps in the scientific management of solid waste. The purpose of this study was to survey the qualitative and quantitative production of solid waste in Mashhad. Materials and Methods: In this descriptive study, in order to examine the quality of the samples, the separated materials we...

Journal: :civil engineering infrastructures journal 0
hasan taherkhani assistant professor, civil engineering department, university of zanjan, zanjan, iran

this paper describes the effects of reinforcement by randomly distributed nylon fibers and addition of nanoclay on some engineering properties of a typical asphalt concrete. the properties of asphalt concrete reinforced by different percentages of 25 mm nylon fibers have been compared with those of the mixtures containing different percentages of nanoclay and those in which both the fibers and ...

2003
Sreekumar Pisharath Shing-Chung Wong Xiao Hu

A series of studies were conducted to investigate the effect of LCP inclusion on the processability of short glass fiber reinforced toughened nylon 6,6. The objective was to identify the role of each component phase and obtain composite synergism arising from a multi-component system. It was found that a hybrid composite offered superior processability over the glass fiber reinforced polymers a...

2010
Xiaoyuan Zhang Shaoan Cheng Xia Huang Bruce E. Logan

Separators are needed in microbial fuel cells (MFCs) to reduce electrode spacing and preventing electrode short circuiting. The use of nylon and glass fiber filter separators in single-chamber, aircathode MFCs was examined for their effect on performance. Larger pore nylon mesh were used that had regular mesh weaves with pores ranging from 10 to 160 mm, while smaller pore-size nylon filters (0....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1378

اهمیت روز افزون ترموپلاستیک nylon - 66 بدلیل کاربردهای گوناگون آن در صنایع پلیمری مختلف همچون الیاف مورد استفاده در تایرسازی، نساجی، پوشاک ، فرش و قطعات مهندسی می باشد. متاسفانه نایلون 66 در ایران تولید نشده است و تماما وارداتی است . تلاش به منظور تولید صنعتی این پلیمر مهندسی در ایران کاملا توجیه اقتصادی دارد. در این پژوه سینتیک پلیمریزاسیون نایلون 66 مفصلا مطالعه است ، و با حل معادلات دیفرانسی...

Journal: :International Journal of Polymeric Materials 2005

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