In field and laboratory experiments designed to study overall blast effects, incidental observations were made of the ears of over 490 animals. Those inside str

Since the United States began combat operations in Afghanistan in October 2001 and then in Iraq in March 2003, the numbers of US soldiers killed exceed 6,700 an

It is well known that noise control at the source is the most cost-effective. Designing for quietness is therefore the most important concept in Engineering Aco