The Research Progress of New Environmental Protection Refrigerant Mixture R290/R600a
نویسندگان
چکیده
منابع مشابه
the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Progress in ARDS research: a protection racket?
The acute respiratory distress syndrome in adults (ARDS) may complicate a wide variety of serious medical and surgical conditions, not all of which involve the lung directly. The pathogenesis remains unclear, but involves neutrophil recruitment to the alveoli and inflammatory pathway activation leading to increased permeability of the alveolarcapillary membrane and disordered vascular control, ...
متن کاملPolitics of China’s Environmental Protection: Problems and Progress
At the recent Copenhagen climate conference, the United States pushed transparency and accountability to such a high level of importance that it would not commit to aggressive emissions reduction without a commitment from large developing countries, particularly China, to take dramatic steps to reduce emissions. International politics played a big role in this complex debate and negotiation. Ch...
متن کاملenvironmental effects of gol-e-gohar iron ore mine on groundwater of the area
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
ذخیره 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: Journal of Advances in Physical Chemistry
سال: 2016
ISSN: 2168-6122,2168-6130
DOI: 10.12677/japc.2016.54011