in iran we already use laminate tubes only in cosmetics industry. laminate tube manufacturers via using the most modern technology of the world, faced with the laminate tube market being saturated in cosmetics industry for packaging the cosmetic creams and toothpaste. but considering the great food market and therefore laminate tube features such as beautiful packaging, ease of use for the fina...

Background & Objectives: Food security (access to safe, nutritious, affordable food) is one of the important determinants of health status in human life. Since monitoring and assessing of associated factors to food security are essential for health planning, this study has tried to determine household food security status and food consumption amongst high school student families in Esfahan, ...

  In this descriptive cross sectional survey with main purpose to assess and compare food consumption pattern and food habits of household resident in different area in west of Tehran where the public health is supervised by Iran University of Medical Sciences and Health Services. 1149 house hold cases were selected by random stratified cluster sampling. Sammpling method was designed to compare...

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...