نتایج جستجو برای: microbial and physicochemical characteristics
تعداد نتایج: 16916906 فیلتر نتایج به سال:
بررسی کیفیت میکروبی و فیزیکوشیمیایی آب شرب روستاهای شهرستان تکاب در استان آذربایجان غربی در سال 1392
Background and Objective: Microbial and physicochemical properties of drinking water، considering type and quantity of drinking water, are factors for determining the acceptability of water. The effects of each of the above components on increasing the quality of water or threatening the health of consumers are also considerable. We aimed to investigate the trace amounts of microbial, physicoch...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
this research with the aims of microbial flora determination in pasteurized milk and it’s shelf life study based on microbial and physicochemical parameters were performed within 10 days. in this study, 60 pasteurized milk samples randomly were selected and then total count of bacteria and total psychrophilic bacteria count were performed. to investigate microbial flora of pasteurized milk, col...
In the course of screening for unique microbial products with pharmacological activity, we have isolated two metabolites from the fermentation filtrate of an unidentified Streptomyces sp. SCC 2313, which exhibited an affinity for muscarinic receptors. The assay directed separation of the active ingredients provided two compounds1 and 2. Based on physico-chemical characteristics, we have elucida...
The amendment of soil with biochar has been demonstrated to have an effect not only on the soil physicochemical properties, but also on soil microbial community composition and activity. Previous reports have demonstrated significant impacts on soil microbial community structure. These impacts are modulated not only by the biochar composition, but also on the soil’s physicochemical characterist...
Background and Objective: Nowadays, swimming pools as a sport and entertainment center have found more popularity. Violation of health based standards in terms of physicochemical, microbial and environmental health indices can turn pools into a potential source of disease transmission and spread. Due to the importance of maintaining swimmers’ comfort, health, and safety, the present study was a...
In the food industry microbial contamination of surfaces can result in product spoilage which may lead to potential health problems of the consumer. Surface properties can have a substantial effect on microbial retention. The surface characteristics of chemically different coatings (Cu, Ti, Mo, Ag, Fe) were defined using white light profilometry (micro-topography and surface features), atomic f...
Fermented foods may confer several benefits to human health and play an important role in a healthy balanced diet. Vinasse hairtail is farmhouse-fermented food product with cultural economic significance locals Zhoushan China. It traditionally produced subjected 0–8 days of fermentation. In this study, we aimed characterize the microbiota physicochemical profiles vinasse across different stages...
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