Stagewise forward mixing model considering coalescence and redispersion of drops was used to predict the performance of Rotating Disc Liquid-Liquid Extraction Contactors. Experimental data previously obtained in two RDC columns of 7.62cm diameter, 73.6cm height and 21.9cm diameter, 150cm height were used to evaluate the model predictions. Drop-side mass transfer coefficients were predicted appl...

the most important quality indicator of fruits is the flesh firmness which is well correlated to their young’s modulus. in this research variation of vibration characteristics (shape modes, natural frequency) of apple due to change of material characteristics (density, young's models, poisson ratio) and apple volume was investigated using finite element simulation. an image processing technique...

BackgroundBody image is a determinant of individual attractiveness and physical activity among the young people. This study was aimed to assess the association of Trans-theoretical model based exercise behavior change with body image evaluation among the female Iranian students.Materials and MethodsThis cross-sectional study was conducted in Sanandaj city, Iran in 2016. Using multistage samplin...

objectives: the purpose of this study was to evaluate whether intra-canal application of controlled direct electric current (dec) could accelerate the amount of orthodontic tooth movement (otm) in young adult mixed breed dogs. methods: fourth premolars of both jaws of five young adult mixed breed dogs were divided into two groups of control and experimental groups. orthodontic force was applied...

background and aims: juveniles in custody are affected by blood borne viruses due to high rates of risk behaviors. therefore, they have a disproportionate burden of infectious diseases, such as hepatitis c virus (hcv) infection. the purpose of the present study was to determine prevalence and associated characteristics of hepatitis c infection in inmates of a correctional center in isfahan, ira...

objective: based on young’s schema therapy model, three coping styles i.e. avoidance, surrender, and overcompensation is utilized against schema activation. confronting with events, the type of dominant coping style affects general health. the aim of this study was to predict general health status (mental and physical) based on the type of dominant coping styles.   method: for this purpose, sho...

in bavaria, about 1.7 million children walk, ride a bike or take the bus to school. it is important that they all get to school and back home again safely. in the last few decades, we in bavaria have been able to significantly improve safety on children’s way to school. in the mid 1970s, up to 35 children were killed in accidents every year on their way to school. in the last few years, we have...

background hiv/aids is one of the major public health problems and a barrier to the progress of human civilization that is considered as a big concern for people all around the world. premarital sexual abstinence is introduced as the most effective way to avoid hiv/aids. this study aimed to determine associated factors in the preventing behaviors of hiv/aids among young people using the extende...