Continuous sedimentation of solid particles in a liquid takes place in a clarifierthickener unit, which has one feed inlet and two outlets. The process can be modeled by a nonlinear scalar conservation law with point source and discontinuous flux function. This paper presents existence and uniqueness results in the case of varying cross-sectional area and a complete classification of the steady...

background: along with the prospers of scientific production there is a need for measuring and evaluation of university’ s scientific productions by means of accepted international indices to make comparison between academic institutions. this study aims to evaluate the scientific production of faculty members affiliated to shahid beheshti university of medical sciences (sbmus) in web of scienc...

This paper focused on the different characteristics of shoulder cross-section curves closely related to shape subdivide shapes. In this paper, 213 young college male students aged 18-26 were selected measure data with three-dimensional body scanner. With help imageware12.0 and matlabr2012b software, which could be used classify shapes extracted, method subdividing curvature radius characteristi...

Cedar and cypress used for wooden construction have high moisture content after harvesting. To be as building materials, they must undergo high-temperature drying. However, this process causes internal cracks that are invisible on the outer surface. These defects serious because reduce strength of timber, i.e., buckling joint durability. Therefore, severity should evaluated. A square timber was...

A nondestructive inspection of a Mangosteen, Fruit, inside is an essential way for a fruit grading. In this paper, we proposed a nondestructive 2D cross-sectional visualization of Mangosteen using infrared and a method for grading a Mangosteen. The infrared was selected because there is no effect against taste and consumer health. By experiments, the infrared in the frequency range of 850 and 1...

OBJECTIVE Dengue is a worldwide public health problem with approximately 50 million cases reported annually. The World Health Organization proposed a revised classification system in 2008 to more effectively identify the patients who are at increased risk of complications from dengue. Few studies have validated this new classification system in clinical practice. We conducted a cross-sectional ...

OBJECTIVE To determine the prevalence of smoking among dentists in the Federal District of Brasília, Brazil. METHODS A descriptive, cross-sectional survey, involving 446 dentists residing in the Federal District, was conducted in the second semester of 2004. Data regarding the smoking habit were obtained using a World Health Organization questionnaire that was translated and validated for use...

INTRODUCTION In the present study, we evaluated a short form version of MNA test in a multicenter study and the relationship of different biochemical markers with MNASF scores. MATERIAL AND METHODS This was a cross-sectional survey covering a sample of representative of the older institutionalized Spanish population aged above 65 years (n = 873). A Mini nutritional assessment short form test ...

The physical habitat that controls ecosystem functioning is determined by local hydraulics and channel morphology. Hydraulic field studies were conducted in a boreal stream 1) to test the hypothesis that the local hydraulic conditions are determined by cross-sectional geometry and flow resistance in boreal conditions by analysing the relationship between flow velocities, cross-sectional geometr...