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Showing 1 to 20 of 32 for “"MNA"”.
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MNA stamping for transient circuit simulation using SPICE
… thesis, we explore two of these (steady-state MNA formulation and State-Space formulation) as a first step towards transient analysis.
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Evaluating the sustainability of monitored natural attenuation in groundwater at chlorinated ethene contaminated sites
Monitored natural attenuation (MNA) has been widely used as a remedial strategy, acknowledged by the EPA as the most appropriate technology for cost effective remediation under certain site conditions. Despite the widespread use of MNA, empirical methods are lacking to evaluate the sustainability …
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A study of the polymorphism of 4-methyl-2-nitroacetanilide and related compounds
… three polymorphs of 4-methyl-2-nitroacetanilide (MNA) are described. The white form (MNA-l), is the most stable form. The least stable form is the amber farm (MNA-2). The yellow form (MNA-3) has been found to change in a topotactic manner into the white form. The relationships between the three …
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Natural Attenuation Software (NAS): Assessing Remedial Strategies and Estimating Timeframes
… timeframes for monitored natural attenuation (MNA) to lower groundwater contaminant concentrations to regulatory limits, and to assist in decision-making on the level of source zone treatment in conjunction with MNA using site-specific remediation objectives. In addition, NAS facilitates the …
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Computational Tools for Improved Analysis and Assessment of Groundwater Remediation Sites
… combined with Monitored Natural Attenuation (MNA) is a remediation strategy whereby the source of contamination is aggressively treated or removed and the residual groundwater plume depletes due to natural processes in the subsurface. The USEPA requires long-term performance monitoring of …
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Inhibition of KDM4 with QC6352 to Target High-Risk Neuroblastoma
… protein expression was higher in MYCN-amplified (MNA) NB cell lines and patient-derived xenografts (PDXs) compared with non-MNA counterparts. Additionally, genetic depletion of KDM4 correlated with reduced proliferation in vitro and in vivo. Interestingly, forced MYCN overexpression in …
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Generación automática de modelos numéricos del terreno a partir de pares estereocópicos satelitarios
… profundización en el estudio de la generación de MNA. En la misma se propone una nueva metodología de obtención de Modelos Numéricos de Alturas a partir de pares estereoscópicos satelitarios. Para lo cual, se hace un repaso de las técnicas fotogramétricas convencionales de obtención de MNA y se …
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Impacts of Sequential Microbial Electron Accepting Processes on Natural Attenuation of Selected Petroleum Hydrocarbons in the Subsurface Environment
… acceptance of monitored natural attenuation (MNA) requires demonstration that natural processes, such as sorption and biodegradation, attenuate specific contaminants of concern on a time scale that is comparable to other remediation options while concurrently preventing contaminant migration …
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Physical characteristics and functional fitness of Senior Olympic athletes
… healthy seniors (female n = 40 (FNA), male = 30 (MNA)) not competing in the Senior Olympics were also tested. A questionnaire was conducted to investigate training and lifestyle habits of the groups. Senior athlete skinfolds of the abdomen, ilium, tricep, and thigh were measured with Lange …
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From Untrained Nurses Toward Professional Preparation in Montana, 1912-1987
… Biennium, the Montana Nurses' Association (MNA) has maintained a consistent position that a minimum of the baccalaureate degree in nursing should be required for licensure as a professional nurse. As of the closure of the 1987 session, the MNA had not yet been able to secure legislation for …
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An Investigation of Computer-Aided Analysis for Switched Capacitor Sampled-Data Filters
… technique is based on modified nodal analysis (MNA) approach. The advantage of this approach over the block partitioning approach is that it can be applied to more general circuits since no restriction is imposed on the circuit topology. However, due to the nature of the MNA approach, this …
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Index analysis of semistate systems without passivity restrictions
… Analysis (ANA), or Modified Nodal Analysis (MNA), the latter used e.g. in the circuit simulation programs SPICE and TITAN, set up network equations in differentialalgebraic form[48, 59, 60, 139]. The index of a DAE circuit model becomes a standard measure for the analytical and numerical …
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Understanding The Factors Influencing Contaminant Attenuation And Plume Persistence
… sites. Thus, monitored natural attenuation (MNA) and enhanced attenuation (EA) have been widely accepted as alternatives because of their lower cost and sustainable management for large, complex plumes. However, the planning and evaluation of MNA/EA applications require greater levels of …
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Génération du second harmonique optique dans un milieu fortement absorbant: application d'un fomalisme généralisé
… celui-ci dans le cas du 2-méthyl-4-nitroaniline (MNA), sans négliger l’absorption. Aussi, puisqu’on travaille avec une couche mince de MNA, on doit inclure l’effet des réflexions multiples dans le formalisme. Bien que ceci puisse paraître superflu, ça nous mène à des résultats intéressants et …
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Appetite, oral frailty, and nutritional status of nursing home residents: Descriptive cross-sectional study
… status by Mini Nutritional Assessment (MNA). Protein and energy intake were estimated from a seven-day nursing home menu and compared with the estimated individual energy and protein needs. Results: Approximately 77% of participants were at a healthy weight or BMI > 23 kg/m². The …
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Sustainability of Reductive Dechlorination at Chlorinated Solvent Contaminated Sites: Metrics for Assessing Potentially Bioavailable Natural Organic Carbon in Aquifer Sediments
… technologies. Monitored natural attenuation (MNA) has become accepted by federal regulatory agencies as a viable remediation strategy for contaminants under site-specific conditions. At chloroethene contaminated sites where MNA is used as a remediation strategy, microbially-mediated reductive …
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Resistive Companion Dynamic Phasor Networks and Phasor to Time Domain Network Coupling
… controlled sources, modified nodal analysis (MNA), and a discrete Fourier transform (DFT) phasor estimation. A coupling device using this technique is implemented in Virtual Test Bed (VTB). The accuracy and stability of the method is verified with two test systems, including a system …
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Comprehensive Electromagnetic Approach for Modeling of on-Chip Power Grid Switching
… resembles the popular modified nodal analysis (MNA) formalism used for large circuit analysis in SPICE but with one very important difference. It is extremely sparse. Thus, despite the very large dimensions of the generated discrete model, its transient analysis is carried out most efficiently. …
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Athari za Kiisimu za Lahaja ya Kimakunduchi katika Kiswahili Sanifu Kinachotumika Shuleni Makunduchi Zanzibar
… majaribio. Kila mbinu ilimsaidia mtafiti kwa namna moja au nyingine wakati wa ukusanyaji wa data; na pia wakati wa uchambuzi. Utafiti huu una sura tano. Sura ya kwanza imefafanua usuli wa mada, tatizo la utafiti, malengo na maswali ya utafiti, umuhimu, upeo wake na pia imebainisha kiunzi cha …
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A Numerical Model (SEAM3D) to Assess the Biotransformation of Chlorinated Ethenes at a TCE/BTEX Contaminated Site
… predict the monitored natural attenuation (MNA) of the FT-002 contaminant plume.
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