نتایج جستجو برای: microbial quality
تعداد نتایج: 858077 فیلتر نتایج به سال:
abstract in this study the effects of land use changes from pasturelands to croplands on soil microbiological and biochemical properties were studied in kangaver, dehno and soltanye regions. composite soil samples from 0-20 and 20-40 cm depths of pasture and cultivated lands were taken from kangaver, dehno and soltanye regions, and soil microbial respiration, microbial biomass c and n, and urea...
background : microbial monitoring of aquatic sources is essential in the correct management of these vital sources. multiple tube fermentation (mtf) technique is currently used for assessment of the microbial quality of water sources. however, today enzymatic assay has been presented as an alternative approach for detecting indicator bacteria. the purpose of this study was to compare enzymatic ...
introduction: the presence of pathogenic microbial agents and pathogens in organic fertilizers causes health problems and disease transmission. the aim of this study was to evaluate the efficiency of vermicomposting process in improve the microbial quality of the compost produced. methods: this experimental study was conducted as a pilot-scale one, in the laboratory of school of health. in orde...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
Millennium Development Goal Target 7c (to halve between 1990 and 2015 the proportion of the global population without sustainable access to safe drinking water), was celebrated as achieved in 2012. However, new studies show that we may be prematurely celebrating. Access to safe drinking water may be overestimated if microbial water quality is considered. The objective of this study was to exami...
even though, to date, a lot of studies have been conducted on the subject of politeness theory, there are very few studies regarding the applicability of this theory to translation between english and persian which shows the reason behind conducting the present study. this study was carried out with the aim of highlighting whether there is any difference between english and persian methods of u...
Background: Consumption of herbal products has increased dramatically during the last few decades. Although there have been allegations that are made in unsanitary conditions resulting microbial contamination and health hazards consumed by patients.
 Aim: The study is aimed at investigating quality commonly sold Abraka, Delta State, Nigeria.
 Methods: A total seven (7) liquid (AB, GW,...
Introduction & Purpose Fecal coliforms and Escherichia coli have been conventionally used as indicators of microbial pollution of drinking water. The European Directive on drinking water quality has included Clostridium perfringens as one of the microbiological parameters to be determined in control of the water quality for human consumption. This study was carried out to evaluate the efficien...
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