The problem of finding an energy conserving norm for the solution of the hyperbolic system of partial differential equations du/dt = Adu/dx, subject to boundary conditions, is reduced to the problem of characterizing those matrices appearing in the boundary conditions which satisfy two specific matrix equations. Necessary and sufficient conditions on the coefficient matrix A and the matrices ap...

introduction: cancer patients face psychosocial and physical problems, which may have an impact on the patient’s quality of life (qol). the quality of life is a powerful factor when it comes to the guidance, maintenance and increasing the level of health and culture of communities. no more attention has been paid to qol of patients with cancer in our country.  close relation between medical hea...

Purpose: This study has provided a model for the impact of mass media on the development of insurance culture. The insurance industry has a significant quantitative and qualitative growth and quickly has a high potential for economic growth and prosperity. However, companies They should take advantage of the opportunities available through the mass media to develop a culture of life insurance. ...

Culture shock is an intensely personal universal human experience that may emerge in any cross cultural social encounter. Therefore, it may be deduced that culture shock is an experience that may occur in all spheres of life in which individuals are confronted by world views and life styles that differ from their own whether in terms of health, education or occupation amongst others. It is a si...

BACKGROUND Hepatitis C virus (HCV) infection afflicts about 170 million individuals worldwide. However, the HCV life cycle is only partially understood because it has not been possible to infect normal human hepatocytes in culture. The current Huh-7 systems use cloned, synthetic HCV RNA expressed in hepatocellular carcinoma cells to produce virions, but these cells cannot be infected with natur...