The osmotic behavior of thermally degraded polystyrene
نویسندگان
چکیده
منابع مشابه
Infrared Spectra of Thermally Degraded Poly ( Vinyl Chloride } *
The cha nges in chemical structure occu ring in pol y (vinyl chloride) as a res ul t of heati ng ina vacu um in t he range 100° to 400° C were studied using infrared spectropho to metry. The pri ncipa l changes occ urri ng in t he residue during p yrolysis in a vacuum were the format ion of unsaturated s tructures a nd a change from an al iphatic spectrum to one showing aromatic absorption. The...
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چکیده ندارد.
15 صفحه اولthis study investigated the relationship between quality of work life and organization citizenship behavior from the viewpoint of teachers in high schools in tehran city.
چکیده هدف از پژوهش حاضر بررسی رابطه کیفیت زندگی کاری و رفتار شهروندی سازمانی در مدارس مقطع متوسطه پسرانه شهر تهران از دیدگاه دبیران بود. روش پژوهش حاضر توصیفی و از نوع همبستگی بود. از بین دبیران مدارس شهر تهران تعداد 380 نفر به روش نمونه گیری خوشه ای چند مرحله ای به عنوان نمونه پژوهش انتخاب شدند و با تکمیل پرسشنامه ی کیفیت زندگی کاری والتون(1975) و پرسشنامه ی رفتار شهروندی سازمانی پودساکو...
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ژورنال
عنوان ژورنال: Journal of Applied Polymer Science
سال: 1965
ISSN: 0021-8995,1097-4628
DOI: 10.1002/app.1965.070091221