نتایج جستجو برای: پتانسیل محلول orp
تعداد نتایج: 40025 فیلتر نتایج به سال:
This study evaluates the event-related potential (ERP) components in a single outcome gambling task that involved monetary losses and gains. The participants were 50 healthy young volunteers (25 males and 25 females). The gambling task involved valence (loss and gain) and amount (50 cent and 10 cent) as outcomes. The outcome-related negativity (ORN/N2) and outcome-related positivity (ORP/P3) we...
Water disinfection is a vital control-point to minimize transmission of diverse pathogens from water sources or produce within and among lots at harvest, during initial postharvest handling, and within subsequent postharvest re-packing and processing. The use of ClO2 as an alternative to NaClO for water disinfection is being adopted by the fresh tomato postharvest handling industry. Lack of dat...
Effects of selection for ovulation rate or prenatal survival were examined using data from 3 pigs lines derived from the same base Large White population. Two lines were selected for 6 generations on high ovulation rate at puberty (OR line) or high prenatal survival corrected for ovulation rate in the first 2 parities (PS line). The third line was an unselected control line. Genetic parameters ...
نظر به وجود مشکلات قابل ملاحظه در فرآوری کنسانتره های سولفیدی حاوی کالکوپیریت بروش پیرومتالورژی از جمله آلودگی محیط زیست، تمایل به استفاده از روش هیدرومتالورژی برای این نوع منابع به شدت در حال افزایش است. تحقیقات در خصوص لیچینگ کالکوپیریت بویژه در محیط سولفاته و حضور یون فریک منجر به ارائه فرآیندهای مختلفی شده است. لیچینگ کم کالکوپیریت در محیط سولفاته و حضور یون فریک یکی از مشکلات عمده می باشد ...
The objective of this study is to upgrade the operation of conventional activated sludge treatment plants for the purpose of saving aeration energy and at the same time providing better utilization of existing plant capacity for nutrient removal without major investment. In this study, pilot-scale experiments of the single stage activated sludge process (ASP), as operated in existing ASP in sou...
OBJECTIVE To study the sterilizing effect and mechanism of electrolyzed-oxidizing water (EOW) and electrolyzed-reductive water (ERW) for Bacillus subtilis var. niger (ATCC9372) and Escherichia coli (8099). METHODS The generations of EOW and ERW were made in the ion membrane electrolysis cell. The sterilization manner was the suspension quantitative germicidal test. RESULTS The killing rate ...
تصفیه و دفع لجن مازاد یک چالش بزرگ در تصفیهخانههای فاضلاب است. در این تحقیق کاهش حجم لجن در راکتور ناپیوسته متوالی در مقیاس پایلوت بررسی شد. دو راکتور ناپیوسته متوالی در مدت زمان ۱۲ ماه بهرهبرداری شد و پارامترهایی از قبیل COD، MLSS، pH، DO، SVI، SOUR، ORP در طول مدت بهرهبرداری راکتور مورد آزمایش قرار گرفت. نتایج نشان داد که در بین زمانهای ماند سلولی مختلف (۵، ۱۰، ۱۵، ۲۰ ۲۵ روز) در زمان مان...
Microenvironmental studies regarding plant oxygen release in a wastewater environment are important to understand the principles of constructed wetlands for wastewater treatment. pH, oxidation reduction potential (ORP), and dissolved oxygen (DO) microprofiles for the lateral and main roots of the bulrush (Scirpus validus) in a vertical flow constructed wetland fed with municipal wastewater were...
Carbon monoxide-heme pigment is responsible for the pink color in irradiated raw turkey breast meat.
Turkey breast muscles were aerobically or vacuum packaged, irradiated at 0, 2.5, or 5.0 kGy using a Linear Accelerator (electron beam), and stored at 4°C. The CIE color values, reflectance scan, oxidation-reduction potential (ORP), production of gaseous compounds, and lipid oxidation of samples were determined at 0, 1, and 2 weeks of storage. Absorption spectra of sample drips were determined a...
Analysis of sequenced bacterial genomes revealed that the genomes encode more than 30% hypothetical and conserved hypothetical proteins of unknown function. Among proteins of unknown function that are conserved in anaerobes, some might be determinants of the anaerobic way of life. This study focuses on two divergent clusters specifically found in anaerobic microorganisms and mainly composed of ...
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