منابع مشابه
students perception of computerized toefl test
تحقیق حاضر به بررسی درک دانشجویان از مزایا و معایب آزمون های کامپیوتری تافل و تاثیر جنسیت بر درک آنها پرداخته است. شرکت کنندگان در این تحقیق 100 نفرزبان آموز مرد و زن بودند که در آزمون کامپیوتری تافل در ایران شرکت کرده بودند. پرسشنامه یی که در مورد مزایا و معایب آزمون های کامپیوتری در مقایسه با آزمون های کاغذی توسط محقق تهیه شده بود جهت تکمیل به این افراد ارایه شد. داده های بدست آمده در این مطا...
15 صفحه اولWaste Incineration:
This study examines the development of Energy from Waste incineration within the waste strategies of local authorities in England. With the development of Waste Strategy 2000 for England, produced by DEFRA, (then DETR) and the inclusion of statutory recovery targets for the recovery of energy from waste, along with the implementation of the Landfill Directive (99/31/EC), there created a need fo...
متن کاملincineration of nuclear waste
Since the end of 1989, ECN renewed its interest in incineration of transuranium elements and fission products. With respect to the transmutation of minor actinides ECN was requested by the clutch government to start a study of a scenario based upon thermal reactors and to work on incineration by means of new fast reactor designs. There are also plans for a study on the possible use of accelerat...
متن کاملShirco Infrared Incineration System
This document is an evaluation of the Shirco infrared thermal destruction technology and its applicability as an onsite treatment method for waste site cleanup. A demonstration was conducted at the Peak Oil Superfund site in Brandon, FL in Aug. 1987 during a removal action employing a commercial-scale transportable unit. A second demonstration was conducted at the Demode Road Superfund site in ...
متن کاملHazards of Medical Waste Incineration
The reality is that incinerators don’t eliminate toxic substances, they concentrate them. The saying is: toxics in/toxics out. The heavy metals, mercury, lead and cadmium, don’t just disappear; they are basic elements not destroyed by burning. They are still present after incineration, only concentrated in the ash and released to the air from the stack. Of all the trash that enters the incinera...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/346005a0