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Journal articles on the topic "AEM"

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Ahmad, Ishtiaque, Anjum Khalique, Muhammad Qamar Shahid, Abdul Ahid Rashid, Furukh Faiz, Muhammad Asim Ikram, Sheraz Ahmed, et al. "Studying the Influence of Apple Peel Polyphenol Extract Fortification on the Characteristics of Probiotic Yoghurt." Plants 9, no. 1 (January 7, 2020): 77. http://dx.doi.org/10.3390/plants9010077.

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The aim of the current study was to evaluate the effect of apple peel polyphenol extract (APPE) on the physicochemical and microbiological properties of probiotic yoghurt. Five concentrations of APPE were added in probiotic yoghurt as: (1) CTL, control without APPE; (2) AE1, addition of 1% APPE; (3) AE2, addition of 2% APPE; (4) AE3, addition of 3% APPE; (5) AE4, addition of 4% APPE; and (6) AE5, addition of 5% APPE. The prepared probiotic yoghurt was stored at 4 °C for 21 days and analyzed for physicochemical and microbiological properties. The initial viable count of L. bulgaricus, S. thermophilus, B. lactis and L. acidophilus were similar in all yoghurt samples at day 1. The maximum viability loss of probiotics was observed in CTL (p < 0.05). The lowest viability loss of probiotics was observed in AE5 samples (p < 0.05). The acidity, water holding capacity and viscosity were increased with the addition of APPE. No significant effects were observed on milk fat and total solid contents of probiotic yoghurt with the addition of APPE. The total phenolic contents of probiotic yoghurt increased significantly as 0.59, 0.71, 0.97, 1.18, 1.35 in AE1, AE2, AE3, AE4 and AE5, samples respectively. It was observed that AE3 and AE4 samples had better taste, flavour and colour with good texture. The survival of probiotics and antioxidant activity of the yoghurts were enhanced with the addition of APPE. In conclusion, apple peels could be successfully used as prebiotic in yoghurt with increased viable counts of probiotics.
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Žlajpah, Margareta, Emanuela Boštjančič, Bojan Tepeš, and Nina Zidar. "Expression of Extracellular Matrix-Related Genes and Their Regulatory microRNAs in Problematic Colorectal Polyps." Cancers 12, no. 12 (December 11, 2020): 3715. http://dx.doi.org/10.3390/cancers12123715.

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Colorectal carcinoma usually evolves gradually, forming a spectrum of lesions, due to accumulation of genetic mutations and epigenetic alterations. Many early lesions are detected since the introduction of screening programs. The greatest challenge is to distinguish between adenomas with epithelial misplacement (AEM) and adenomas with early carcinoma (AEC), considering the diagnosis affects prognosis and treatment. We analyzed the expression of selected extracellular matrix (ECM)-related genes and proteins, and their regulatory microRNAs using RT-qPCR and immunohistochemistry in biopsies from 44 patients. Differences were observed in AEM in comparison to AEC for DCN, EPHA4, FN1, SPON2, and SPP1, reflecting inflammatory stromal reaction to traumatisation and misplacement of dysplastic glands in the submucosa in the former, and desmoplastic stromal reaction to true invasion of dysplastic glands in the submucosa in the latter. Expression of regulatory microRNAs hsa-miR-200c and hsa-miR-146a significantly negatively correlated with the expression of their regulated genes, while significant difference between AEM and AEC was observed only for hsa-miR-29c. The described expression patterns are too complex to be used in diagnostic work, but might contribute to better understanding ECM changes in colorectal carcinoma development, helping to find new markers in the future.
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Lee, Y.-W., and C.-W. Lee. "Dynamic analysis and control of an active engine mount system." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 216, no. 11 (November 1, 2002): 921–31. http://dx.doi.org/10.1243/095440702321031469.

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Dynamic characteristics of a prototype active engine mount (AEM), designed on the basis of a hydraulic engine mount, have been investigated and an adaptive controller for the AEM has been designed. An equivalent mass-spring-damper AEM model is proposed, and the transfer function that describes the dynamic characteristics of the AEM is deduced from mathematical analysis of the model. The damping coefficient of the model is derived by considering the non-linear flow effect in the inertia track. Experiments confirmed that the model precisely describes the dynamic characteristics of the AEM. An adaptive controller using the filtered-X LMS algorithm is designed to cancel the force transmitted through the AEM. The stability of the LMS algorithm is guaranteed by using the secondary path transfer function derived on the basis of the dynamic model of the AEM. The performance test in the laboratory shows that the AEM system is capable of significantly reducing the force transmitted through the AEM.
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Macnae, James, and Aaron Davis. "An AEM system calibration." ASEG Extended Abstracts 2010, no. 1 (December 2010): 1–4. http://dx.doi.org/10.1081/22020586.2010.12042003.

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Michael, J. R., K. A. Taylor, and J. G. Speer. "AEM in Steel Research." JOM 40, no. 3 (March 1988): 8–12. http://dx.doi.org/10.1007/bf03258931.

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Dewar, Noah, and Rosemary Knight. "Constructing the resistivity-to-sediment-type transform for the interpretation of airborne electromagnetic data." GEOPHYSICS 87, no. 2 (January 27, 2022): IM37—IM55. http://dx.doi.org/10.1190/geo2020-0831.1.

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A novel Markov chain Monte Carlo (MCMC)-based methodology was developed for the transformation of resistivity, derived from airborne electromagnetic (AEM) data, into sediment type. This methodology was developed and tested using AEM data and well sediment type and resistivity logs from Butte and Glenn Counties in the California Central Valley. Our methodology accounts for the spatially varying sensitivity of the AEM method by constructing different transforms separated based on the sensitivity of the AEM method. The large spatial separation that typically exists between the AEM data and the wells with sediment type logs was avoided by planning the acquisition of AEM data so as to fly as close as possible to the well locations. We had 55 locations with sediment type logs and AEM data separated by 100 m, determined to be the maximum acceptable separation distance. Differences in vertical resolution between the AEM method and the sediment type logs were addressed by modeling the physics of the AEM measurement, allowing for a comparison of field and AEM data generated during the MCMC process. The influence of saturation state was captured by creating one set of transforms for the region above the top of the saturated zone and another for below. Using the set of transforms developed at the 55 locations, an inverse distance weighting scheme that included a well quality ranking was used to construct a set of 12 (six sensitivity bins, and two saturation states) resistivity-to-sediment-type transforms at every AEM data location. These represent a set of transforms that accommodate the variation in AEM sensitivity and are independent of the inversion used to retrieve the resistivity model. Thus, these transforms avoid two of the significant limitations common to resistivity-to-sediment-type transforms used to interpret AEM data.
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Richards, S. M., M. E. Jaconi, G. Vassort, and M. Puceat. "A spliced variant of AE1 gene encodes a truncated form of Band 3 in heart: the predominant anion exchanger in ventricular myocytes." Journal of Cell Science 112, no. 10 (May 15, 1999): 1519–28. http://dx.doi.org/10.1242/jcs.112.10.1519.

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The anion exchangers (AE) are encoded by a multigenic family that comprises at least three genes, AE1, AE2 and AE3, and numerous splicoforms. Besides regulating intracellular pH (pHi) via the Cl-/HCO3- exchange, the AEs exert various cellular functions including generation of a senescent antigen, anchorage of the cytoskeleton to the membrane and regulation of metabolism. Most cells express several AE isoforms. Despite the key role of this family of proteins, little is known about the function of specific AE isoforms in any tissue, including the heart. We therefore chose isolated cardiac cells, in which a tight control of pHi is mandatory for the excitation-contraction coupling process, to thoroughly investigate the expression of the AE genes at both the mRNA and protein levels. RT-PCR revealed the presence of AE1, AE2 and AE3 mRNAs in both neonatal and adult rat cardiomyocytes. AE1 is expressed both as the erythroid form (Band 3 or eAE1) and a novel alternate transcript (nAE1), which was more specifically characterized using a PCR mapping strategy. Two variants of AE2 (AE2a and AE2c) were found at the mRNA level. Cardiac as well as brain AE3 mRNAs were expressed in both neonatal and adult rat cardiomyocytes. Several AE protein isoforms were found, including a truncated form of AE1 and two AE3s, but there was no evidence of AE2 protein in adult rat cardiomyocytes. In cardiomyocytes transfected with an AE3 oligodeoxynucleotide antisense, AE3 immunoreactivity was dramatically decreased but the activity of the Cl-/HCO3- exchange was unchanged. In contrast, intracellular microinjection of blocking anti-AE1 antibodies inhibited the AE activity. Altogether, our findings suggest that a specific and novel AE1 splicoform (nAE1) mediates the cardiac Cl-/HCO3- exchange. The multiple gene and protein expression within the same cell type suggest numerous functions for this protein family.
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STERLING, Deborah, and Joseph R. CASEY. "Transport activity of AE3 chloride/bicarbonate anion-exchange proteins and their regulation by intracellular pH." Biochemical Journal 344, no. 1 (November 8, 1999): 221–29. http://dx.doi.org/10.1042/bj3440221.

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Plasma membrane Cl-/HCO3- anion-exchange (AE) proteins contribute to regulation of intracellular pH (pHi). We characterized the transport activity and regulation by pHi of full-length AE3 and the cardiac isoform, AE3c, both of which are expressed in the heart. AE3c is an N-terminal variant of AE3. We also characterized AE1, AE2 and a deletion construct (AE3tr) coding for the common region of AE3 and AE3c. AE proteins were expressed by transient transfection of HEK-293 cells, and transport activity was monitored by following changes of intracellular pH or intracellular chloride concentration associated with anion exchange. Transport activities, measured as proton flux (mM H+˙min-1), were as follows: AE1, 24; AE2, 32; full-length AE3, 9; AE3c, 4 and AE3tr, 4. The wide range of transport activities is not explained by variation of cell surface processing since approx. 30% of each isoform was expressed on the cell surface. pHi was clamped at a range of values from 6.0-9.0 to examine regulation of AE proteins by pHi. Whereas AE2 was steeply inhibited by acid pHi, AE1, AE3 and AE3c were essentially insensitive to changes of pHi. We conclude that AE3 and AE3c can contribute to pHi recovery after cellular-acid loading.
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Zhang, Henghai, and Wenku Shi. "Model of the Secondary Path between the Input Voltage and the Output Force of an Active Engine Mount on the Engine Side." Mathematical Problems in Engineering 2020 (March 28, 2020): 1–16. http://dx.doi.org/10.1155/2020/6084169.

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The active engine mount (AEM) provides an effective solution to improve the acoustic and vibration comfort of a car. The same AEM can be installed for different engines and different vehicle bodies and attenuates the engine vibration, which is one of the most pressing challenges. To study this problem, this paper develops a mathematical model of a secondary path between the input voltage and output force of the AEM on the engine side considering the frequency-dependent characteristic of the stiffness, which includes the structure parameters of the AEM as well as the dynamics of the actuator, the fluid in the inertia track, the foundation (vehicle body), and the attenuated vibrating object (AEM preload or engine). The proposed model is validated by three test cases without vibration excitation, which are performed with different AEM preloads and foundations. The AEM is considered as an active part and passive part, the mass of which is determined experimentally. Parameter effect on the dynamic characteristics of the secondary path of the AEM is studied based on three tests and a numerical simulation.
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Harrison, Edward J., Vikas C. Baranwal, Andreas A. Pfaffhuber, Craig W. Christensen, Guro H. Skurdal, Jan Steinar Rønning, Helgard Anschütz, and Marco Brönner. "AEM in Norway: A Review of the Coverage, Applications and the State of Technology." Remote Sensing 13, no. 22 (November 19, 2021): 4687. http://dx.doi.org/10.3390/rs13224687.

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From the first use of airborne electromagnetic (AEM) systems for remote sensing in the 1950s, AEM data acquisition, processing and inversion technology have rapidly developed. Once used extensively for mineral exploration in its early days, the technology is increasingly being applied in other industries alongside ground-based investigation techniques. This paper reviews the application of onshore AEM in Norway over the past decades. Norway’s rugged terrain and complex post-glacial sedimentary geology have contributed to the later adoption of AEM for widespread mapping compared to neighbouring Nordic countries. We illustrate AEM’s utility by using two detailed case studies, including time-domain and frequency domain AEM. In both cases, we combine AEM with other geophysical, geological and geotechnical drillings to enhance interpretation, including machine learning methods. The end results included bedrock surfaces predicted with an accuracy of 25% of depth, identification of hazardous quick clay deposits, and sedimentary basin mapping. These case studies illustrate that although today’s AEM systems do not have the resolution required for late-phase, detailed engineering design, AEM is a valuable tool for early-phase site investigations. Intrusive, ground-based methods are slower and more expensive, but when they are used to complement the weaknesses of AEM data, site investigations can become more efficient. With new developments of drone-borne (UAV) systems and increasing investment in AEM surveys, we see the potential for continued global adoption of this technology.
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Dissertations / Theses on the topic "AEM"

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Gleiss, Dagmar. "Geschichte der Arbeitsgemeinschaft Evangelikaler Missionen, AEM 25 Jahre AEM, 1969-1994 /." Theological Research Exchange Network (TREN), 1994. http://www.tren.com.

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Ackermann, Stefan [Verfasser]. "Zuverlässigkeitsuntersuchungen und Vergleich von AEM-Membran-Elektroden-Einheiten / Stefan Ackermann." Halle, 2018. http://d-nb.info/1175950521/34.

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Huelsen, Mônica G. Von. "Interpretação de dados de eletromagnetometria aerotransportada (AEM) do sistema GEOTEM (domínio do tempo)." reponame:Repositório Institucional da UnB, 2007. http://repositorio.unb.br/handle/10482/6412.

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Tese (doutorado)—Universidade de Brasília, Instituto de Geociências, 2007.
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Desde 1950 estudos vem sendo realizados na aplicação da condutividade elétrica ao mapeamento geológico, com ênfase nos sistemas aeroeletromagnéticos. Estes sistemas usam o campo eletromagnético secundário obtido por contrastes em propriedades elétricas em subsuperfície em resposta a perturbações criadas por fontes eletromagnéticas naturais ou artificiais. A diversificação na aplicação do sistema EM, que são geralmente portáteis, permite inúmeras combinações geométrica e eletrônica do par de bobinas transmissora e receptora. Sua portabilidade permite que sejam utilizados nas vários levantamentos geofísicos, como nos de superfície que usam transmissores fixos e móveis e o receptor móvel, de subsuperfície (drill holes), e naqueles em que são portados em plataformas móveis (marítimas ou aéreas). Todo processo segue as leis de Maxwell e as respostas que são medidas dependem do modo em que se processa a medição (domínio da freqüência ou do tempo), dos equipamentos empregados e da geometria transmissor/receptor que formam com o alvo energizado. Não existe uma disposição ideal de transmissores e receptores, dependendo assim do tipo de estudo que se deseja realizar na área. Um dos sistemas disponíveis comercialmente já algum tempo, é o GEOTEM aerotransportado. Ele foi utilizado no vale San Pedro (sudeste do Arizona) em 1997. Os dados desta região nos foram disponibilizados pela USGS (United State Geological Survey) e foram utilizados para testar rotinas computacionais adaptadas nesta tese, para interpretar dado AEM, o que permitiu realizar uma análise quantitativa do modelo de condutividade da bacia sedimentar de San Pedro e sua relação com a hidrogeologia. Propõe-se aqui apresentar um procedimento de interpretação que pode ser utilizado para o dado AEM. Neste foram aplicadas duas técnicas: 1) a que obtém o comportamento da condutividade pela profundidade ao longo das linhas do levantamento; 2) a inversão de dados eletromagnetométricos para um sistema não linear. Esta última metodologia desenvolvida foi inicialmente aplicada a dados sintéticos, cuja inversão é do tipo controlada. Posteriormente a aplicação deste procedimento deu-se aos dados reais mencionados. iii As duas técnicas mostraram-se eficientes, sendo que a primeira exibiu um processo de inversão rápido e qualitativo e a segunda, menos rápido e quantitativo. Finalmente a proposta final foi em obter volumes com os resultados das medições eletromagnéticas no domínio do tempo (TDEM) para que se tenha uma visão 3D do modelo da condutividade da região em estudo. Para tanto serão apresentados os conceitos fundamentais do método eletromagnético aplicados ao sistema e escolhido (GeoTEMTM-Time Domain Airborne EM System) e os procedimentos de interpretação desenvolvidos. ______________________________________________________________________________ ABSTRACT
Since 1950 research has been carried out on the application of the electric conductivity for geological mapping, with the most effort put on airborne electromagnetic systems. These systems use the secondary electromagnetic field developed by contrasts in electric properties in the subsurface as response to disturbances created by natural or artificial electromagnetic sources. The many techniques developed in the use of those EM systems, which are commonly portable, imply in several combinations of how to combine physically and electromagnetically pairs of transmitter and receiver loops of different sizes and geometries. This resulted on the several modalities of use common to EM geophysical surveys, as those carried out on land using fixed and mobile transmitters and mobile receiver on surface, drill holes, airborne and in marine environment. All physical process follows the Maxwell laws of electromagnetism and the signals measured depend on the way that the measurement is accomplished (frequency or time domain), the type of the equipment used and on the geometry that the transmitter/receiver pair form with the energized target at the Earth. The ideal disposition of transmitters and receivers seems not to exist. It will depend on the kind of study is to be accomplished the area. GEOTEM is an airborne system that is available commercially for some time. It was used in San Pedro basin (southeast of Arizona) in 1997. The data of this survey was made available by the United State Geological Survey and it was used for testing the computer routines and programs developed. This software was used in this thesis to perform a quantitative analysis with the conductivity model for the San Pedro Sedimentary Basin and its relation to the hydrogeological targets envisaged with these studies. This research intends to present a procedure that can be used for an Airborne EM (AEM) interpretation. The methodology developed is first tested on synthetic models as to invert data generated by them in a controlled inversion scheme. Later on this procedure is applied to the real data mentioned. The intention is to obtain an interpretation map with the results of the electromagnetic measurements in the time domain (TDEM) and a 3-D visualization of the conductivity model obtained for the airborne electromagnetic survey in study. v The approach followed is that bared on fundamental concepts of the electromagnetic method applied to the system chosen (GeoTEMTM Time Domain Airborne EM System) and the interpretation procedures developed.
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Hansson, Marcus, and Desirée Svensson. "CSR och earnings management - agerar företagsledningen etiskt eller opportunistiskt? : En kvantitativ studie på kontinentaleuropeiska bolag." Thesis, Högskolan i Gävle, Avdelningen för ekonomi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-29856.

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Syfte: CSR är ett högaktuellt och viktigt ämne för företagen och deras intressenter. Då högre CSR- aktiviteter anses vara relaterat till etiskt agerande företagsledningar undersöker studien om företagens ledningar utnyttjar detta i försök att dölja omoraliska aktiviteter i form av earnings management. En opportunistiskt agerande företagsledning använder earnings management för att manipulera resultatet i önskad riktning, vilket kan göras genom diskretionära periodiseringar (AEM) eller via aktiviteter som påverkar kassaflödet (REM). Eftersom dessa fungerar som substitut så undersöks båda i studien. Studien baseras på kontinentaleuropeiska bolag där rättstillämpningen bygger på civil law. Dessa företag redovisar enligt IFRS och CSR-rapporterar efter GRI, vilket tidigare forskning pekat ut som faktorer som påverkar sambandet mellan CSR och earnings management. Syftet med studien är därför att undersöka om CSR används som ett medel för att dölja förekomsten av earnings management, samt om det finns stöd för ett opportunistiskt alternativt etiskt perspektiv. Metod: Studien har en kvantitativ forskningsmetod och tillämpar en positivistisk forskningsfilosofi med en hypotetisk-deduktiv ansats. Studien använder en tvärsnittsdesign med sekundärdata från kontinentaleuropeiska bolag över en tioårsperiod (2008-2017). Datan har hämtats från Thomson Reuters Datastream och analyserats i IBM SPSS. Resultat & slutsats: Resultaten indikerar att kontinentaleuropeiska företag agerar opportunistiskt och möjligtvis använder CSR i försök att dölja earnings management. Detta kan dock endast härledas till REM-aktiviteterna abnorma kassaflöden och abnorma produktionskostnader. Mellan CSR och AEM kunde inget samband redogöras. Därav dras slutsatsen att det är viktigt att earnings management studeras utifrån båda aspekterna för att erhålla ett rättvisande resultat. Examensarbetets bidrag: Studien bidrar till att fylla forskningsgapet gällande sambandet mellan CSR och earnings management i form av både AEM och REM. Resultaten är viktiga för företagens intressenter då de tyder på att högre CSR-engagemang inte är relaterat till mer etiskt agerande företagsledningar. Intressenterna bör främst vara vaksamma på aktiviteter som inte granskas av revisorer då dessa visats förekomma i högst utsträckning. Förslag till fortsatt forskning: I framtida studier kan sambandet mellan CSR och earnings management undersökas i företag där incitament till resultatmanipulation anses föreligga. Vidare kan ledningens syn på earnings management studeras mer ingående. Förslag ges även till att undersöka branschskillnader och att använda alternativa CSR-mått.
Aim: CSR is a highly topical and important subject for the companies and their stakeholders. Since higher CSR activities are considered to be related to ethically acting managements, this study investigates whether the management uses CSR as an attempt to conceal immoral activities in terms of earnings management. An opportunistic acting management uses earnings management to manipulate the result in the desired direction, which can be done through discretionary accruals (AEM) or through activities that affect the company’s cash flow (REM). Since these operates as substitutes, both are examined in the study. The study is based on Continental European companies where the application of law is based on civil law. These companies report according to IFRS and CSR reports according to GRI, which previous research pointed out as factors to affect the correlation between CSR and earnings management. The purpose of the study is therefore to investigate whether CSR is used as a means of concealing the existence of earnings management, and whether there is support for an opportunistic alternative ethical perspective. Method: The study has a quantitative research method and applies a positivistic research philosophy with a hypothetical-deductive approach. The study uses a cross-sectional design with secondary data from Continental European companies over a ten-year period (2008-2017). The data has been retrieved from Thomson Reuters Datastream and analyzed in IBM SPSS. Result & Conclusions: The results indicate that Continental European companies act opportunistically and uses CSR in attempts to hide earnings management. However, this can only be attributed to the REM activities abnormal cash flows and abnormal production costs. No relationship could be reported between CSR and AEM. Hence, it is concluded that it is important to study earnings management on the basis of both aspects to report fair results Contribution of the thesis: The study contributes to filling the research gap regarding the relationship between CSR and earnings management in both AEM and REM. The results are important for companies' stakeholders as they indicate that higher CSR involvement is not related to more ethical behavior of the company management. Stakeholders should primarily be vigilant on activities that are not audited by auditors as these have been shown to occur to the greatest extent. Suggestions for future research: In future studies, the relationship between CSR and earnings management can be investigated in companies where incentives for manipulation the financial performance are considered to exist. Furthermore, the management’s view of earnings management can be studied more thoroughly. Suggestions are also made to investigate industry differences and to use alternative CSR measures.
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Carvalho, Daniel Estima de. "Uma contribuição para a elaboração de mapas estratégicos: um estudo da aplicação do método de análise e estruturação de modelos (AEM)." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/12/12139/tde-09112009-142801/.

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A complexidade do ambiente competitivo obriga as organizações empregar métodos cada vez mais sofisticados para trabalhar com sua estratégia corporativa. Uma das ferramentas discutidas academicamente e no meio corporativo, relacionada a gerir a estratégia empresarial, é o Balanced Scorecard, que possui, entre seus componentes, o Mapa Estratégico. Este estudo aborda a aplicação do método de Análise e Estruturação de Modelos (AEM), metodologia que lida essencialmente com temas complexos, na construção de Mapas Estratégicos. Os objetivos desta pesquisa consistem em entender se o resultado da aplicação da AEM contribui para a construção de Mapas Estratégicos, se este método colabora para uma maior participação das pessoas e se aprimora o processo de construção de um Mapa Estratégico. Foi realizada uma pesquisa experimental com uma amostra por conveniência de 110 alunos de pós-graduação de escolas de São Paulo, que participaram de um exercício de construção de Mapa Estratégico baseado em um caso real de uma empresa de gerenciamento de projetos de engenharia. Os grupos experimentais adotaram a AEM para construir seus mapas, enquanto que os grupos de controle construíram seus mapas no papel. Analisando os mapas construídos pelos grupos, como resultado apurou-se que o uso da AEM propiciou uma explicitação maior e mais abrangente das relações de causa e efeito existentes entre os diferentes objetivos estratégicos da empresa estudada. Já em termos das opiniões registradas nos questionários, a comparação entre os dois grupos trouxe apontamentos que evidenciam um processo mais estruturado, com a participação de cada integrante do grupo melhor distribuída, na construção dos mapas estratégicos dos grupos experimentais. Por outro lado, o grupo de controle foi mais enfático em destacar a aprendizagem de seus integrantes em relação à estratégia contida no caso e à concordância com o resultado do exercício, após construir seus mapas estratégicos no papel, apesar de o grupo experimental mostrar opiniões positivas sobre estes elementos também. Esta diferença de opiniões a favor do grupo de controle pode ter sido causada pelas melhorias que o software da metodologia AEM deveria passar na opinião dos respondentes, que, ainda assim, em sua totalidade, avaliaram positivamente o uso da ferramenta no exercício, como apoio à construção de Mapas Estratégicos. Por estes resultados, entende-se que existem evidências que apontam valer a pena utilizar a AEM nesta função, especialmente se seu software for aprimorado, tornando-se assim uma opção interessante para o apoio ao gerenciamento de estratégias empresariais por meio da construção de Mapas Estratégicos.
The complexity of the competitive environment requires organizations to adopt increasingly sophisticated methods to work with their competitive strategy. Among the tools discussed in both the academic world and the corporate milieu, is the Balanced Scorecard, which in turn has the Strategy Map among its components. This study approaches the application of the method of Interpretive Structural Modeling Structuring (ISM), a methodology essentially devoted to complex subjects, to the construction of Strategy Maps. This research aims at the following points: whether the employment of ISM could contribute to the construction of Strategy Maps; whether this method plays a role in making more people to participate; and whether it improves the process of construction of a Strategy Map. An experimental research has been conducted, with a convenience sample of 110 graduate students from business schools in the city of São Paulo who took part in an exercise of Strategy Map construction based on a real case of an engineering project management enterprise. The experimental groups employed the ISM to construct their maps, whereas the control group constructed their maps on paper. The ensuing comparison of the maps thus produced would show that applying the ISM allows for a greater and more comprehensive explanation of the causeeffect relations existing among the different strategy objectives of the company under study. As for the opinions recorded in the questionnaires, the comparison has provided evidence of a more structured process, with a better distributed individual participation within each group in the construction of strategy maps by the experimental groups. On the other hand, the control group has shown a deeper learning by its members in relation to both the strategy contained in the case and the agreement regarding the results of the exercise after constructing its strategy maps on paper, even though the experimental group has shown positive opinions regarding these elements as well. This difference in favor of the control group may have been caused by the improvements the ISM methodology software should have undergone, in the opinion of the respondents, all of whom, however, positively evaluated the tool in support to the construction of Strategy Maps during the exercise. Such results provide evidence that it is worthwhile to use the ISM in that function, especially if the software is improved, thus offering an interesting alternative for the support to the management of business strategies by means of the construction of Strategy Maps.
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Bertali, Giacomo. "Mechanistic understanding of Alloy 600 preferential intergranular oxidation : 'precursor events of stress corrosion cracking'." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/mechanistic-understanding-of-alloy-600-preferential-intergranular-oxidation-precursor-events-of-stress-corrosion-cracking(db6c7668-7cf5-4d50-a6bf-34eacf5b1216).html.

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Primary Water Stress Corrosion Cracking (PWSCC) of Alloy 600 and similar Ni-Cr-Fe alloys is regarded as one of the most important challenges to nuclear power plant operation. During the past decades the majority of research has focused on PWSCC crack growth rate measurements in order to assess the lifetime of real components and to develop empirical models for crack propagation. However, the incubation and initiation stages of PWSCC have the same or even greater importance than the propagation stage, particularly because SCC can be undetected for more than 20 years before the occurrence of a rapid and catastrophic failure. There is, therefore, the scientific need to understand the mechanisms playing a fundamental role in the formation and development of intergranular cracks embryo, the so-called SCC initiation "precursor events", in order to be able to predict and mitigate the occurrence of PWSCC. Amongst all the models proposed for SCC initiation, the internal oxidation mechanism proposed by Scott and Le Calvar in 1992 appears to be the most comprehensive. Although the internal oxidation mechanism is widely accepted, it still requires further elucidation, especially in terms of enhanced grain boundary diffusivity and the role of intergranular carbides on the oxidation mechanism. The present work has focused on the initial stages of intergranular oxidation of solution-annealed (SA) and thermally-treated (TT) Alloy 600 with the aim of understanding the active mechanism responsible for the enhanced intergranular oxide penetration kinetics. The material was tested in simulated PWR primary water at 320°C, high-pressure hydrogenated-steam at 400°C and low-pressure H2-steam environment at 480°C at potential more reducing than the Ni/NiO equilibrium. The detailed microstructural characterization was conducted using scanning electron microscopy (SEM), transmission electron microscopy (TEM) and analytical transmission electron microscopy (ATEM) and demonstrated that Alloy 600SA is susceptible to diffusion-induced grain boundary migration (DIGM), preferential intergranular oxidation (PIO) and localised Cr and Fe depletions at the grain boundaries. The similar analyses performed on Alloy 600TT demonstrated reduced susceptibility to PIO and grain boundary migration. Further, detailed analyses confirmed that intergranular carbides were readily oxidized/consumed in all 3 environments and acted as Cr reservoir/O trap. These results shed additional light on the "precursor events" for PWSCC of Alloy 600, especially on the mechanism responsible for the enhanced Cr and O diffusivity and on the mechanism responsible for the enhanced Alloy 600TT SCC initiation resistance. Moreover, the strong similarities in the Alloy 600 oxidation behaviour observed for the 3 different environments and at the 3 different temperatures suggested that the same PIO mechanism is active in both steam and water and at temperatures between 320°C and 480°C. These results strongly support the possibility of using the low-pressure H2-steam environment as a substitute environment to accelerate PWSCC initiation without changing the mechanism.
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Naderinasrabadi, Mahtab. "A Continuous Electrochemical Process to Convert Lignin to Low Molecular Weight Aromatic Compounds and Cogeneration of Hydrogen." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1584622583669502.

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Abbassi, Noufel. "Chaînes de Markov triplets et filtrage optimal dans les systemes à sauts." Phd thesis, Institut National des Télécommunications, 2012. http://tel.archives-ouvertes.fr/tel-00873630.

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Cette thèse est consacrée à la restauration et l'estimation des paramètres par filtrage dans les modèles de chaîne de Markov cachée classique, couple et triplet à sauts Markoviens. Nous proposons deux nouvelles méthodes d'approximation dans le cas des systèmes linéaires gaussiens à sauts Markoviens. La première est fondée sur l'utilisation des chaînes de Markov cachées par du bruit à mémoire longue, on obtient alors une méthode " partiellement non supervisée" dans la quelle certains paramètres, peuvent être estimés en utilisant une version adaptative de l'algorithme EM ou ICE, les résultats obtenus sont encourageant et comparables avec les méthodes classiquement utilisées du type (Kalman/Particulaire). La deuxième exploite l'idée de ne garder à chaque instant que les trajectoires les plus probables; là aussi, on obtient une méthode très rapide donnant des résultats très intéressants. Nous proposons par la suite deux familles de modèles à sauts qui sont originaux. la première est très générale où le processus couple composé du processus d'intérêt et celui des observations conditionnellement aux sauts, est une chaîne de Markov cachée, et nous proposons une extension du filtrage particulaire à cette famille. La deuxième, est une sous famille de la première où le couple composé de la chaîne des sauts et le processus d'observations est Markovien dans ce dernier cas le filtrage optimal exact est possible avec une complexité linéaire dans le temps. L'utilisation de la deuxième famille en tant qu'approximation de la première est alors étudiée et les résultats exposés dans ce mémoire semblent très encourageants
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Boyacioglu, Beril. "Microstructural Characterization Of Hypoeutectoid Steels Quenched From The Ae1 - Ae3 Intercritical Temperature Range By Magnetic Barkhausen Noise Technique." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12606921/index.pdf.

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This thesis aims to examine the possibility of using Magnetic Barkhausen Noise technique in characterizing the ferritic-martensitic microstructure of hypoeutectoid steels quenched from the intercritical temperature range. For this purpose, rectangular specimens were prepared from SAE 1020, 1040 and 1060 steels. The specimens were heated at different temperatures within the intercritical temperature range and then quenched into water. Microstructures of the specimens were characterized by metallographic examinations and hardness measurements. The measurements of the Magnetic Barkhausen Noise (MBN) were performed by using both Rollscan and &
#956
SCAN sensor connectors. It was seen that, for specimens having identical carbon content, Barkhausen emission decreased as the heating temperature increased. Moreover, in specimens heated at the same temperature, Barkhausen emission decreased as the carbon content of the specimen increased. In both cases, the decrease in Barkhausen emission is associated with the increase in martensite content. The results indicate that MBN is inversely proportional to hardness and that MBN is very sensitive to the microstructural condition of the material. It has been shown that using MBN is a powerful tool for evaluating the microstructure of hypoeutectoid steels quenched from the intercritical temperature range and that the use of this technique could be extended to characterize industrial dual phase steels.
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Ericsson, Leif KE. "Growth and Characterization of ZnO Nanocrystals." Doctoral thesis, Karlstads universitet, Institutionen för ingenjörsvetenskap och fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-27156.

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The understanding of surfaces of materials is of crucial importance to all of us. Considering nanocrystals (NCs), that have a large surface to bulk ratio, the surfaces become even more important. Therefore, it is important to understand the fundamental surface properties in order to use NCs efficiently in applications. In the work reported in this thesis ZnO NCs were studied. At MAX-lab in Lund, synchrotron radiation based Spectroscopic Photoemission and Low Energy Electron Microscopy (SPELEEM) and X-ray Photoelectron Spectroscopy (XPS) were used. At Karlstad University characterization was done using Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Atomic Force Microscopy (AFM), Scanning Tunnelling Microscopy (STM), Auger Electron Spectroscopy (AES), and XPS. The fundamental properties of ZnO surfaces were studied using distributions of ZnO NCs on SiO2/Si surfaces. The conditions for distribution of ZnO NCs were determined to be beneficial when using ethanol as the solvent for ultrasonically treated dispersions. Annealing at 650 °C in UHV cleaned the surfaces of the ZnO NCs enough for sharp LEEM imaging and chemical characterization while no sign of de-composition was found. A flat energy band structure for the ZnO/SiO2/Si system was proposed after 650 °C. Increasing the annealing temperature to 700 °C causes a de-composition of the ZnO that induce a downward band bending on the surfaces of ZnO NCs. Flat ZnO NCs with predominantly polar surfaces were grown using a rapid microwave assisted process. Tuning the chemistry in the growth solution the growth was restricted to only plate-shaped crystals, i.e. a very uniform growth. The surfaces of the NCs were characterized using AFM, revealing a triangular reconstruction of the ZnO(0001) surface not seen without surface treatment at ambient conditions before. Following cycles of sputtering and annealing in UHV, we observe by STM a surface reconstruction interpreted as 2x2 with 1/4 missing Zn atoms.
Baksidestext The understanding of the surfaces of materials is of crucial importance to all of us. Considering nanocrystals (NCs), that have a large surface to bulk ratio, the surfaces become even more important. In the work in this thesis ZnO NCs were studied. The fundamental properties of ZnO surfaces were studied using distributions of ZnO NCs on SiO2/Si surfaces. Annealing at 650 °C in UHV cleaned the surfaces of the ZnO NCs enough for sharp LEEM imaging and chemical characterization while no sign of de-composition was found. A flat energy band structure for the ZnO/SiO2/Si system was proposed after 650 °C. Increasing the annealing temperature to 700 °C causes a de-composition of the ZnO that induce a downward band bending on the surfaces of ZnO NCs. Flat ZnO NCs with predominantly polar surfaces were grown using a microwave assisted process. Tuning the chemistry in the growth solution the growth was restricted to only plate-shaped crystals, i.e. a very uniform growth. The surfaces of the NCs were characterized using AFM, revealing a triangular reconstruction of the ZnO(0001) surface not seen without surface treatment at ambient conditions before. Following cycles of sputtering and annealing in UHV, we observe by STM a surface reconstruction interpreted as 2x2 with 1/4 missing Zn atoms.
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Books on the topic "AEM"

1

Beg, Muṣt̤afā ʻAlī. Āʼī aem sorī. Ḥaidarābād: Zindah Dilān-i Ḥaidarābād, 1993.

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Luca, Mazzei, and Risi Nelo 1920-, eds. Cinema elettrico: I film dell'archivio AEM (1928-1962). Milano: Rizzoli, 2011.

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Rong, Yonghua. Characterization of Microstructures by Analytical Electron Microscopy (AEM). Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-20119-6.

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Un fiume di luce: Cento anni di storia della AEM. [Milan, Italy]: Rizzoli, 2011.

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Physical principles of electron microscopy: An introduction to TEM, SEM, and AEM. New York: Springer Science+Business Media, 2005.

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(Milan, Italy) Azienda elettrica municipale. AEM: Una storia per immagini : gli ex libris narrano 100 anni di storia = AEM : a story in pictures : 100 years of history narrated by the Ex Libris. [Milano]: Fondazione AEM, 2010.

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Diálogo de sonidos: I premio del V concurso de narrativa "Antonio Márquez Salas" AEM 2009. Mérida: Asociación de Escritores de Mérida, 2010.

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Bultman, Mark W. An interpretation of the 1997 Airborne ElectroMagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona, with digital data. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Bhutan. Electronic voting machine (EVM) rules and regulations of the Kingdom of Bhutan =: ʼBrug gi tshogs rgyan phrul chas (Ai wi aem) bcaʼ yig daṅ sgrig bźi. Thimphu: Election Commission of Bhutan, 2007.

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Arturo, Ponce, Bueno Darío, and Workshop on Nanomaterials (1st : 2009 : Saltillo (Coahuila) México), eds. Advanced electron microscopy and nanomaterials: Selected, peer reviewed papers from the First Joint Advanced Electron Microscopy School for Nanomaterials and the Workshop on Nanomaterials (AEM-NANOMAT '09), Saltillo (Coahuila) México, September 29th-October 2nd, 2009. Stafa-Zurich, Switzerland: Trans Tech Publications, 2010.

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Book chapters on the topic "AEM"

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Alexander, Helmut. "Analytische Elektronenmikroskopie (AEM)." In Physikalische Grundlagen der Elektronenmikroskopie, 261–84. Wiesbaden: Vieweg+Teubner Verlag, 1997. http://dx.doi.org/10.1007/978-3-663-12296-8_4.

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Higa, Mitsuru. "Anion-Exchange Membrane (AEM)." In Encyclopedia of Membranes, 78–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_23.

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Rong, Yonghua. "Analytical Electron Microscope (AEM)." In Characterization of Microstructures by Analytical Electron Microscopy (AEM), 1–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-20119-6_1.

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Higa, Mitsuru. "Anion-Exchange Membrane (AEM)." In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_23-1.

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Hren, J. J. "Barriers to AEM: Contamination and Etching." In Principles of Analytical Electron Microscopy, 353–74. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-2037-9_10.

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Lyman, Charles E., Joseph I. Goldstein, Alton D. Romig, Patrick Echlin, David C. Joy, Dale E. Newbury, David B. Williams, et al. "Scanning Transmission Imaging in the AEM." In Scanning Electron Microscopy, X-Ray Microanalysis, and Analytical Electron Microscopy, 139–42. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0635-1_24.

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Lyman, Charles E., Joseph I. Goldstein, Alton D. Romig, Patrick Echlin, David C. Joy, Dale E. Newbury, David B. Williams, et al. "X-Ray Microanalysis in the AEM." In Scanning Electron Microscopy, X-Ray Microanalysis, and Analytical Electron Microscopy, 143–47. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0635-1_25.

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Lyman, Charles E., Joseph I. Goldstein, Alton D. Romig, Patrick Echlin, David C. Joy, Dale E. Newbury, David B. Williams, et al. "Thin Specimens for TEM and AEM." In Scanning Electron Microscopy, X-Ray Microanalysis, and Analytical Electron Microscopy, 172–79. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0635-1_29.

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Lyman, Charles E., Joseph I. Goldstein, Alton D. Romig, Patrick Echlin, David C. Joy, Dale E. Newbury, David B. Williams, et al. "Scanning Transmission Imaging in the AEM." In Scanning Electron Microscopy, X-Ray Microanalysis, and Analytical Electron Microscopy, 365–72. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0635-1_53.

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Lyman, Charles E., Joseph I. Goldstein, Alton D. Romig, Patrick Echlin, David C. Joy, Dale E. Newbury, David B. Williams, et al. "X-Ray Microanalysis in the AEM." In Scanning Electron Microscopy, X-Ray Microanalysis, and Analytical Electron Microscopy, 373–80. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0635-1_54.

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Conference papers on the topic "AEM"

1

FitzGerald, D. J., J. Silic, and R. Paterson. "2.5D AEM and Geology." In 80th EAGE Conference and Exhibition 2018. Netherlands: EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2214-4609.201800825.

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Air Ltd, Spectrum. "The Spectrem 2000 AEM System." In 6th SAGA Biennial Conference and Exhibition. European Association of Geoscientists & Engineers, 1999. http://dx.doi.org/10.3997/2214-4609-pdb.221.049.

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Massa*, Domenico Di, Giovanni Florio, and Andrea Viezzoli. "Adaptive sampling of AEM transients." In SEG Technical Program Expanded Abstracts 2015. Society of Exploration Geophysicists, 2015. http://dx.doi.org/10.1190/segam2015-5846074.1.

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Di Massa, D., G. Florio, and A. Viezzoli. "Optimized Sampling of AEM Transients." In First European Airborne Electromagnetics Conference. Netherlands: EAGE Publications BV, 2015. http://dx.doi.org/10.3997/2214-4609.201413881.

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Sattel, Daniel. "Modelling AEM data with Zohdy's method." In SEG Technical Program Expanded Abstracts 2002. Society of Exploration Geophysicists, 2002. http://dx.doi.org/10.1190/1.1817239.

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Lysdahl, A. O. K., A. A. Pfaffhuber, H. Anschütz, Kr K. Kåsin, and S. Bazin. "Probability of Sensitive Clay from AEM Data." In 23rd European Meeting of Environmental and Engineering Geophysics. Netherlands: EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201702007.

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Archer, C. T. "Regolith Mapping Using The Spectrem Aem System." In 5th SAGA Biennial Conference and Exhibition. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.223.038.

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Beamish, D. "An AEM Survey of a Leaking Landfill." In Near Surface 2005 - 11th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2005. http://dx.doi.org/10.3997/2214-4609-pdb.13.b046.

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Qian, W., J. Gamey, B. Lo, and J. S. Holladay. "AEM apparent resistivity and magnetic susceptibility calculations." In SEG Technical Program Expanded Abstracts 1996. Society of Exploration Geophysicists, 1996. http://dx.doi.org/10.1190/1.1826336.

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Beamish, D. "Geological Geophysics - An Example Using AEM Data." In Near Surface 2011 - 17th EAGE European Meeting of Environmental and Engineering Geophysics. Netherlands: EAGE Publications BV, 2011. http://dx.doi.org/10.3997/2214-4609.20144364.

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Reports on the topic "AEM"

1

Fish, J. S., D. J. Perry, N. Lewis, C. D. Thompson, and W. J. S. Yang. AEM investigations of primary water SCC in nickel alloys. Office of Scientific and Technical Information (OSTI), August 1997. http://dx.doi.org/10.2172/319835.

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Ray, A., N. Symington, Y. Ley-Cooper, and R. C. Brodie. A quantitative Bayesian approach for selecting a deterministic AEM inversion model. Geoscience Australia, 2020. http://dx.doi.org/10.11636/133626.

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Symington, N., A. Ray, C. Harris-Pascal, K. P. Tan, Y. Ley-Cooper, and R. C. Brodie. Groundwater salinity estimation using borehole and AEM data: A framework for uncertainty analysis. Geoscience Australia, 2020. http://dx.doi.org/10.11636/135242.

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Liu, Guokui. Investigation of Microscopic Radiation Damage in Waste Forms Using ODNMR and AEM Techniques. Office of Scientific and Technical Information (OSTI), June 1999. http://dx.doi.org/10.2172/828338.

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Liu, G. Investigation of microscopic radiation damage in waste forms using ODNMR and AEM techniques. Office of Scientific and Technical Information (OSTI), April 2000. http://dx.doi.org/10.2172/754236.

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Anderson, I. M., J. Bentley, and C. B. Carter. Quantitative X-ray microanalysis for the study of nanometer-scale phases in the AEM. Office of Scientific and Technical Information (OSTI), December 1993. http://dx.doi.org/10.2172/28201.

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Armistead, S. E., R. C. Brodie, J. D. A. Clarke, M. P. Doublier, P. T. Main, A. A. McPherson, I. C. Roach, and R. G. Skirrow. The Southern Thomson Orogen VTEMplus® AEM Survey: Using airborne electromagnetics as an UNCOVER application. Edited by I. C. Roach. Geoscience Australia, 2015. http://dx.doi.org/10.11636/record.2015.029.

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Liu, G. Investigation of microscopic radiation damage in waste forms using ODNMR and AEM techniques. 1997 annual progress report. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/13673.

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Liu, G. Investigation of microscopic radiation damage in waste forms using ODNMR and AEM techniques. 1998 annual progress report. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/13674.

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Liu, G., J. Luo, J. Beitz, S. Li, C. Williams, and V. Zhorin. Investigation of microscopic radiation damage in waste forms using ODNMR and AEM techniques. (EMSP Project Final Report). Office of Scientific and Technical Information (OSTI), April 2000. http://dx.doi.org/10.2172/755843.

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