نتایج جستجو برای: biological bed
تعداد نتایج: 511160 فیلتر نتایج به سال:
در این تحقیق زیست چینه نگاری و سنگ چینه نگاری نهشته¬های پرمین بالایی در دو مقطع مجزا (بناریزه و همبست) در ناحیه آباده مورد مطالعه قرار گرفته است. مقطع بناریزه از آهک¬های نودولار مشکی همراه با براکیوپود، مرجان، بریوزوئر و فرامینیفر تشکیل شده است که سن وچیاپینگین معادل پرمین را نشان می¬دهد. مقطع همبست در قاعده از آهک¬های خاکستری رنگ نازک لایه همراه با ماکروفسیل¬های فراوانی به سن پرمین تشکیل شده ا...
The aim of the study was to determine the potential of community-level physiological profiles (CLPPs) methodology as an assay for characterization of the metabolic diversity of wastewater samples and to link the metabolic diversity patterns to efficiency of select onsite biological wastewater facilities. Metabolic fingerprints obtained from the selected samples were used to understand functiona...
Fixed bed biofilm reactors with granular activated carbon (GAC) or glass beads as support media were used to evaluate the influence of short-term (12h) and long-term (23 days) increases of influent dissolved oxygen (DO) concentrations on biological perchlorate removal. The goal was to evaluate the extent by which chemisorption of oxygen to GAC can enhance the stability of biological perchlorate...
Introduction: Radiotherapy (RT) plan evaluation using dose response models has become a feasible approach in routine clinical practice. Although there are several tools for this task, they suffer from limitations including number of different dose response models and parameters. In the present study, we aimed to develop a free program for RT plan evaluation based on a variety ...
This experimental paper deals with the development of a hybrid biological reactor for treatment synthetic oilfield produced water under an increase in total dissolved solids (TDS) concentration. To comply strengthening regulations concerning discharge and peculiar compositions, moving bed biofilm (MBBR) consisting combination free activated sludge supports was compared to fixed (FBHBR) support....
in a novel dual bed reactor fischer-tropsch synthesis was studied by using two diffrent cobalt catalysts. an alkali-promoted cobalt catalyst was used in the first bed of a fixed-bed reactor followed by a rutenuim promoted cobalt catalyst in the second bed. the activity, product selectivity and accelerated deactivation of the system were assessed and compared with a conventional single bed react...
The growth characteristics and biological behavior of human tumors transplanted s.c. into two different anatomical regions of nude mice were studied. It was observed that tumors trnasplanted in the anterior lateral thoracic wall grew faster than did tumors transplanted in the posterior aspect of the trunk. Anteriorly growing tumors, in contrast to the posteriorly transplanted ones, were better ...
Li Si, Kong Ruixue, Sun Lin, Li Sifan, Yang Shuangchun* (Liaoning Shihua University. Fushun, Liaoning, China. 113001) Abstract—Industrial wastewater is a kind of wastewater that generate in the industrial production process. The wastewater from refining and coal carbonization contains high concentration of phenols pollutants. In this paper, study on phenol treatment methods in industrial wastew...
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