Strong, exciting, and engaging sound is perceived in the best concert halls. Here, it is shown that wideband early reflections that preserve the temporal envelope of sound contribute to the clear and open acoustics with strong bass. Such reflections are fused with the direct sound due to the precedence effect. In contrast, reflections that distort the temporal envelope render the sound weak and...

The aim of this study was to assess the variation in student body height, weight and BMI in relation to several socioeconomic factors. Data (collected in 1998) were obtained through a structured questionnaire from 2800 students (1023 men and 1777 women) from Wrocław Universities, Poland. Information on students' age, reported height and weight and their place of residence prior to starting univ...

Student achievement is measured by the index value obtained every semester,student several factors, and in this research author takes factors including study paths, choice of majors, monthly living expenses, relationships with friends, family, motivation study, employment, scholarships, transportation, internet services. Analysis prediction student using Naïve Bayes Algorithm classification met...

One of the inherent characteristics of transportation systems, especially steel wheel and rail systems, is that vehicles running on the roadway or trackway generate vibration which transmits through the ground into nearby buildings. As our urban areas build up or are redeveloped, it is frequently desired for a variety of reasons to place a concert hall or theater in a location which is in close...

INTRODUCTION AND OBJECTIVE Depressive disorders in adolescents and young adults may have serious developmental and functional consequences, such as academic failure or persistent psychosocial problems. University students are affected by specific agents which may play a role in the onset of depression. The problem of student depression is particularly important in Poland because of a recent inc...

The protection of rural traditional ancestral halls is currently facing severe challenges in the process rapid urbanization. Aiming at practical difficulties halls, such as decay building materials, damage structure, disappearance construction techniques, and destruction context environment, this paper analyzes contemporary value villages by taking Baini Village Tongshan County, Hubei Province ...