THE NOISE ABSORPTION PREDICTION OF A COMBINED AND INDEPENDENT ABSORBER UNDER DIFFERENT CONDITIONS AND AT DIFFERENT FREQUENCIES, USING THE NEW ENGINEERING NOISE CONTROL SOFTWARE (ENC)

Noise is one of the most harmful factors in the work environment, which is very important to control.There are various techniques to achieve this goal.One of the most important of them is the use of noise absorbers.Absorbent materials are often used to counteract the effects of reflected noise from hard surfaces and reduce their level.This is an ex

An ideal waverider has an infinite sharp leading edge, which causes difficulty for manufacture and aerothermal protection.Therefore, the leading edge of the waverider must be blunted.For this purpose, a parametric method for blunting the leading edge of the waverider is proposed here, which can fulfill the goals of setting a leading-edge click here

Although repeated contact with nature helps foster mental and physical health among young people, their contact with nature has been diminishing over the last few decades.Also, low-income and ethnic minority children have even less contact with nature than white middle-income children.In this study, we compared accessibility to play in parks for yo

Symptoms phonemic language is a symptom caused by the absorption of a word from one language to the absorber or the decline of a language from one generation to the next.The process of obtaining the absorption or reduction led to changes in the form of words or phonemic symptoms.This study will describe symptoms that exist edgewater shoes between B

This insightful collection of essays and excerpts by Robert Wortham describes and analyzes African American quality of life and baseball scoreboards for sale racial etiquette that pervaded the political, economic and social arrangements of the day.Du Bois early on believed that racial prejudice and discrimination were functions of grand love red he