منابع مشابه
High-performance, High-volume Fly Ash Concrete for Sustainable Development
For a variety of reasons, the concrete construction industry is not sustainable. First, it consumes huge quantities of virgin materials. Second, the principal binder in concrete is portland cement, the production of which is a major contributor to greenhouse gas emissions that are implicated in global warming and climate change. Third, many concrete structures suffer from lack of durability whi...
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As the premier material in construction industry across the world, concrete has major role in the effects of construction to our environment. Consumption of concrete is very high due to extensive use of concrete in many structural applications. The rapid infrastructural growth in developing countries and production of many by-product as waste material making high role to concrete producers in i...
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High stakes at the UN on the Sustainable Development Goals.
A special event at the UN General Assembly on Sept 25, 2013 marks a bridge between the Millennium Development Goals (MDGs) to the end of 2015 and the Sustainable Development Goals (SDGs) that presumably will run from 2016 to 2030.1 The special event will address urgent actions to accelerate progress to the MDGs over their remaining 2 years, while setting a timeline and diplomatic framework for ...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2020
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.200096