نتایج جستجو برای: log reduction
تعداد نتایج: 566259 فیلتر نتایج به سال:
Background and Objectives: Considering the complexity, cost, and time-consuming techniques of detecting Cryptosporidium oocysts and Giardia cysts, B. subtilits spores have been introduced as microbial indicators of these pathogens to evaluate the efficacy of disinfection studies. The present study was aimed to investigate the feasibility of B. subtilis spores inactivation using hydrogen peroxi...
fracture system in carbonate reservoirs is very complex. understanding the features of fractures such as dip, strike and the other parameters can help to distinguish the behaviour of reservoir in any exploration and production plan. image log is the best way to investigate feature planes like fracture and bedding. image log in one of drilled well #10x393 of bangestan reservoir in gachsaran oilf...
Background and purpose: Since long time ago herbal products and spices have been used as powders, essential oils (EOs), and extracts. They consist of antimicrobial components and could be applied as natural food preservatives. In the present work, the antiviral effect of cinnamon, rosemary, and zataria EOs has been investigated against norovirus surrogates including feline calicivirus (FCV) and...
Beef is susceptible to rapid spoilage due to its high amount of protein (18.00%) and moisture (72.00%). Food industries have recently found methods to extend beef shelf-life. The influence of beef dipping in hydro-alcoholic extract of sumac (SE) and chitosan (CH) coating incorporated with Zataria multiflora essential oil (ZEO) on microbial, chemical and sensory quality of beef was eval...
Background & Aims: Beef meat is highly prone to microbial spoilage as it is rich in essential nutrients and putrefying in nature. Nowadays, consumers are applicant to usage of natural replacements causing to side effects of synthetic preservatives such as carcinogenicity and teratogenicity. Materials & Methods: In this study the influence of hydro alcohol sumac extract (SE) and chitosan coat...
The effectiveness of sodium dodecyl sulphate (SDS), sodium hypochlorite solution and levulinic acid in reducing the survival of heat adapted and chlorine adapted Listeria monocytogenes ATCC 7644 was evaluated. The results against heat adapted L. monocytognes revealed that sodium hypochlorite solution was the least effective, achieving log reduction of 2.75, 2.94 and 3.97 log colony forming unit...
Synthetic aperture radar (SAR) images are widely used for Earth observation to complement optical imaging. By combining information on the polarization and phase shift of echos, SAR offer high sensitivity geometry materials that compose a scene. This richness comes with drawback inherent all coherent imaging modalities: strong signal-dependent noise called “speckle.” paper addresses mathematica...
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