background and objectives: although chemical fertilizers in short-term can increase vegetables yield, but must be renewed each planting season that this trend increases the concentration of nitrate in the vegetables shoots, nitrogen leaching and contamination of water resources, loss of beneficial insects and microorganisms and soil fertility will decline, and over time reduce the yield and qua...

Unlike the typical design of data assimilation for numerical weather forecasting, initial value optimisation by chemical data assimilation for air quality simulations were often considered as unessential, as errors in initial values were regarded as of vanishing impact. Rather, air surface interactions, especially emissions are a driving forcing factor, while, at the same time, of insufficient ...

The nutritive value of proteins 91 All measures of protein quality are a function of the limiting amino-acid, because the usefulness of a protein is limited by the amino-acid in shortest supply. The tests do not, therefore, yield any information about the other amino-acids, i.e. the potential value of the protein if given in combination with other proteins. This point needs emphasis because so ...

water quality in each area, indicates the impact of geology, climate and anthropogenic pollutants. monitoring of water quality in most cases result in complex data which shows the perfect act of water resources, so they need appropriate method for analyzing. in this study hydro-chemical evaluation of hiv basin which located in west of hashtgerd have been done. to measure the concentration of ma...

Ziziphora clinopodioides is from the genus of Ziziphora and family of Lamiaceae,which grows in Iran and Turkey. This study was conducted to preserve the chemical and microbial quality of trout fish burger during storage using Ziziphora clinopodioides essential oil (ZEO) individually and in combination with nisin.  Firstly, the chemical composition of ZEO was deter...

groundwater is the most widely distributed resource of the earth and groundwater quality evolves rapidly as it passes through the subsurface pathways within the unsaturated zone. increasing urbanization and anthropogenic activities have added to the problem of deficient amount of good quality groundwater. the study area is an industrial hub for textile sector. textile production, particularly d...

abstract introduction: the city of sardasht, located in north western part of iran was the ‎target of a chemical invasion in 1988.many studies have shown the veteran’s ‎adverse condition of physical and medical health which can affect the quality of ‎their lives .so far, few studies have been devoted to the iranian chemical ‎veteran’s quality of life .this research was studying the chemical vet...