Counting the environmental cost of Japan's progress

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...

environmental 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...

Counting the cost.

In last month’s issue of The Journal of Laryngology & Otology, our principle review article outlined the work of the National Institute for Health and Clinical Excellence (NICE) in the UK in respect of otolaryngology. The review article by Hamilton and colleagues in the present issue takes this topic one step further by considering cost–utility analysis as a method of decision-making in healthc...

Antibiotic resistance: Counting the cost

Acquisition of drug resistance should impose a cost on bacteria. Recent studies, however, suggest that natural selection acts to reduce, or eliminate, the growth disadvantage of resistant bacteria, making it difficult to reverse the high levels of antibiotic resistance currently found in hospitals and the community.

Counting the cost of proton pump inhibitors.