nowadays, tetrapack packaging materials are widely used in beverages such as juice, milk and water packaging applications. each year a significant amount of waste is producing in the world which are non-recyclable in other industries and will also cause environmental pollution. this paper outlines the panels made from tetrapack waste and investigation of physical and bending properties of these...

MODERATOR SPRAGUE: Those of you who were here this morning are familiar with the forms and faces of our panelists this afternoon. I am moderator or chairman, and Mr. Dewey Barrett recently said that the position of a chairman is that of a minor official at the bull fight who opened and closed the gates to let the bull in and out. Well, at least like the Portuguese bull fighter we will let the b...

M/O)DERATOR TLOiIs N. KATZ (Chicago, Ill.): Before I call upon my colleagues I wish to make a few introductory remarks. We as physicians must view heart disease in all its ramifications. Heart disease is primarily a chronic process. The problem is more than the immediate alleviation of acute exa(erbations of the disease, involving a temporary sojourn in the acute hospital, or its equivalent at ...

صفحه‌­ی مینیاتوری LEU پرتودهی شده در رآکتور تحقیقاتی تهران که برای تولید رادیوایزوتوپ مولیبدن-99 استفاده می‌شود، منبع پرتوزایی متشکل از رادیوایزوتوپ‌های مختلف است. محاسبه و تخمین آهنگ دز تابش‌های گامای گسیلی این منبع، به منظور مقایسه با مقادیر مجاز توصیه حمل‌ونقل مواد پرتوزا حفاظت پرتویی کارکنان حین انجام تست‌های آزمایشگاهی داغ، پیش هر اقدام عملی، امری ضروری مقاله، اعتبار یک روش پیشنهادی جهت هد...

فرزند‌پروری پس از طلاق یکی تکالیف حساس پیش روی والدین مُطلقه، و عوامل مؤثر در سلامت روانی فرزندان به شمار می‌آید. هدف این مطالعه کشف تبیین تجارب زیسته‌ هم‌والدگری است. روش کیفی با استفاده پدیدارشناسی توصیفی انجام شد. جامعه پژوهش شامل کلیه‌ والدینی بود که تجربه‌ فرزندپروری را داشته‌اند. برای تعیین حجم نمونه معیار اشباع داده شد نمونه‌گیری هدفمند تعداد 12 نفر (زن، مرد) انتخاب شدند مورد مصاحبه‌ نیمه...

According to the life-cycle theory of consumption and saving, foreseeable retirement events should not reduce consumption. This argument applies especially to housing consumption, whereas other consumption expenditures may fall when home production substitutes them (given higher leisure after retirement). Using micro panel data for German tenants we find that income drops at entering retirement...

Executive Compensation, Firm Performance, and Chaebols in Korea: Evidence from New Panel Data This paper provides the first rigorous econometric estimates on the pay-performance relations for executives of Korean firms with and without Chaebol affiliation. To do so, we have assembled for the first time panel data (that provide information not only on executive compensation and firm performance ...