نتایج جستجو برای: permeable reactive barrier
تعداد نتایج: 255128 فیلتر نتایج به سال:
Inflammations generate uneasiness. This study adopts quantum mechanical and molecular docking approach to model explore twenty derivatives of ibuprofen as potential non-steroidal anti-inflammatory drug candidates taking the standard. Optimization calculation drug-like chemical parameters compounds were conducted at DFT/B3LYP/6-31G* level theory. Binding affinity, interaction inhibition drug-can...
Background and aimsThe paper presents the results of an investigation on the acoustic performance of tilted profile parallel barriers with quadratic residue diffuser tops and faces.MethodsA2D boundary element method (BEM) is used to predict the barrier insertion loss. The results of rigid and with absorptive coverage are also calculated for comparisons. Using QRD on the top surface and faces o...
This paper presents the investigations into the feasibility of the application of a remediation system that couples electrokinetic remediation (EKR) with the permeable reactive barrier (PRB) concept for municipal solid waste incineration (MSWI) fly ash with activated charcoal as the PRB material. The experimental results of this study showed that the proposed combined method can effectively imp...
Introduction Phosphate-Induced Metal Stabilization (PIMS) using Apatite II stabilizes a wide range of metals, especially Pb, Cd, Zn, U and Pu, in situ or ex situ, by chemically binding them into new stable phosphate phases and other low-solubility phases that are stable over geologic time. The concept resulted from paleochemical oceanographic and chemostratigraphic studies, in the 1970s and 198...
Cr stable isotope measurements can provide improved estimates of the extent of Cr(VI) reduction to less toxic Cr(III). The relationship between observed (53)Cr/(52)Cr ratio shifts and the extent of reduction can be calibrated by determining the isotopic fractionation factor for relevant reactions. Permeable reactive barriers (PRB) made of Fe(0) and in situ redox manipulation (ISRM) zones effect...
Central nervous system (CNS)-infiltrating effector T cells play critical roles in the development and progression of multiple sclerosis (MS). However, current drugs for MS are very limited due to the difficulty of delivering drugs into the CNS. Here we identify a cell-permeable peptide, dNP2, which efficiently delivers proteins into mouse and human T cells, as well as various tissues. Moreover,...
پنل های خورشیدی بخش کمی از تشعشع خورشید را به الکتریسیته تبدیل می کنند، قسمت اعظم تشعشع باقی مانده به گرما تبدیل شده و دمای پنل را افزایش می دهد. با افزایش دمای سلول فتوولتائیک، بازده کاهش می یابد. در این پایان نامه برای کاهش دمای ماژول فتوولتائیک، یک واحد گرمایی با سیال عامل هوا، ساختار مارپیچ و سطح مقطع مستطیلی طراحی و ساخته می شود. واحد گرمایی در پشت پنل نصب می شود و سیستم فتوولتائیک /گرمای...
Sources of contamination in a subsurface environment are petrol, diesel fuel, gasoline at oil refineries, underground storage tanks, transmission pipelines, and different industries. The permeable reactive barrier (PRB) is promising technology to remediate groundwater in-situ. In this study, synthetic samples containing toluene treated three reactor columns by biological processes. PRB-1 consis...
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