نتایج جستجو برای: loading efficiency
تعداد نتایج: 459436 فیلتر نتایج به سال:
Background and purpose: Pulp and paper industries produce large quantities of effluent that release various pollutants daily. Among various methods for treating such effluents, anaerobic biosorption process is of interest because of lower need to mechanical energy, boigasses production, high organic loading rate (OLR), low sludge production, and resistant system. OLR is one of the most importan...
background: the disposal the wastewater sugar extraction to the rivers and environment cause contamination and is considered as a threat to the marine life and the environment. thus, treatment of the wastewater is necessary. investigating the reduction of the pollution load of cane industry with anaerobic sequencing batch biofilm reactor (asbbr) in the laboratory scale is the purpose of this st...
Background: Moving bed biofilm reactor (MBBR) is one of the new hybrids biological systems that are used in treatment of wastewater contaminated by organic and nitrogen pollutant. In this study, the continuously operated laboratory scale Kaldnes(k1) moving bed biofilm reactors (MBBRs) was investigated. Methods: In this system, two series as Anoxic reactor (R1) and aerobic (R2) have a size 3...
low molecular weight heparin-modified isoliquiritigenin-loaded solid lipid nanoparticle (lmwh-isl-sln) was developed for injective application. the morphological observation, particle diameter and zeta potential of lmwh-isl-sln were characterized using transmission electron microscopy (tem) and a malvern zetasizer. its entrapment efficiency (ee) and drug loading (dl) were determined by ultracen...
chemotherapy research highly prioritizes overcoming the multidrug resistance (mdr) in human tumors. liposomal formulation of fluoxetine, as a fourth generation chemosensitizer, was constructed and characterized for percent entrapment, release profile, morphology, particle size, zeta potential and stability. liposomes were prepared using different active loading techniques. the influence of diff...
a newly developed natural rubber deproteinization process produces deproteinized natural rubber (dpnr) wastewater as an intermediate product containing a high concentration of sodium dodecyl sulfate (sds) and rubber. in this study, a novel process to recover the residual rubber and energy as methane from dpnr wastewater was developed. as a pretreatment, sds and residual rubber in dpnr wastewate...
Sonar audio is a major tool used by sonar operators to assist in classifying acoustic contacts. In this paper we discuss some issues that arise when adaptive beamforming is used for sonar audio. Frequency domain beamforming is used to reduce computational cost, and diagonal loading of the cross-spectral matrix is used to obtain the best quality output. The effectiveness of a robust Capon beamfo...
investigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
the phase transformation phenomenon due to the crystallographic change of shape memory alloys subjected to mechanical or thermal loading is very complicated. regarding the thermo-mechanical coupling effects in shape memory alloys, in case of high loading rates, heat generation/absorption during the forward/reverse transformation, will lead in temperature-dependent variation and consequently af...
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