نتایج جستجو برای: mass removal efficiency mre
تعداد نتایج: 975880 فیلتر نتایج به سال:
Solids removal across two settling devices, i.e., a swirl separator and a radial-flow settler, and across a microscreen drum filter was evaluated in a fully recirculating system containing a single 150 m ‘Cornell-type’ dual-drain tank during the production of food-size Arctic char and rainbow trout. The flow through the culture tank was 4500–4800 L/min. Approximately 92–93% of the system flow e...
decolorization of remazol brilliant blue r (rbbr) by trametessp. pellets was studied in a batch reactor. dye removal process was performed in shaken flasks which contained 100 ml of rbbr aqueous solution and fungal pellets. the process was followed for 48 h and the dye removal was analyzed at a visible spectrum of 590 nm. response surface methodology (rsm) employing box behnken design at three ...
BACKGROUND AND OBJECTIVE The wavelength and tissue-composition dependence of cartilage ablation was examined using selected mid-infrared laser wavelengths. STUDY DESIGN/MATERIALS AND METHODS The mass removal produced by pulsed laser ablation of articular and fibro-cartilage (meniscus) were measured. The wavelengths examined were 2.79, 2.9, 6.1, and 6.45 microm and provided by a free electron ...
Background and aims: In this study the effectivness application of conventional apartment ornomental flowers to survay removal capability of five kind of pollutant: aromatic hydrocarbons (Benzene and Toluene), aliphatic hydrocarbons (Octane), halogenated hydrocarbons (Trichloroethylene (TCE)) and tropens (Alpha-Pinene) in indoor ambients was studied. Methods: At the first, 10 species of orno...
Backgrounds and Objectives: High level of nitrate ion in the water resources cause some health and environmental problems. The aim of this research is to study nitrate removal by Zero-Valent Magnesium (ZVM) and MgCl2-modified pumice from aqueous solutions.Materials and Methods: The pumice granules were modified by MgCl2 . The removal of nitrate was studied in a batch system. The pH, initial nit...
Background and Aim: Evaluation of the performance of these products is mainly based on their efficiency in numerical removal of particles in the range of different sizes. While the most important features of filters are the dust holding capacity, and the ability to remove the mass of particles with different densities, fewer studies have addressed this issue. Therefore, the present study evalua...
background and purpose: recently, release of pollutants such as heavy metal ions to the environment becomes one of the most important problems for soil and water. the present study was conducted to introduce modified rice husk (rh) as a new low-cost adsorbent. materials and methods: in this study, tartaric acid modified rh (tarh), was used as an adsorbent for removal of ni(ii) and cd(ii) from w...
Elastography is capable of noninvasively detecting hepatic fibrosis by imposing mechanical stress and measuring the viscoelastic response in the liver. Magnetic resonance elastography (MRE) relies on time-harmonic vibrations, while most dynamic ultrasound elastography methods employ transient stimulation methods. This study attempts to benefit from the advantages of time-harmonic tissue stimula...
this paper presents the development of a model for evaluating adsorbable organic halogens’(aox) removal efficiency during wastewater treatment by using the micellar-enhanced ultrafiltration (meuf)technique. surfactants can form larger aggregates (micelles) were prepared into which aoxs dissolve and arethen retained by the membrane. synthetic wastewater samples containing certain concentrations ...
A new nucleoside has been identified in tRNATyr from Escherichia coli MRE 600, where it replaces the highly modified nucleoside queuosine. The nucleoside is also present in a large amount relative to queuosine in mixed tRNA from E. coli strains MRE 600 and W (from which it was isolated for characterization). The new nucleoside has been characterized as an epoxy derivative of queuosine: 7-(5-[(2...
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