Relevant bibliographies by topics / M21

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'M21'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 June 2025

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Journal articles on the topic "M21"

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Wu, Bingyi, Renhe Zhang, Yihui Ding, and Rosanne D’Arrigo. "Distinct Modes of the East Asian Summer Monsoon*." Journal of Climate 21, no. 5 (2008): 1122–38. http://dx.doi.org/10.1175/2007jcli1592.1.

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Abstract Resolution of a complex Hermitian matrix derived from monthly mean 850-hPa wind fields during the summer season (June–August) from 1968 to 2004 revealed four different modes of East Asian summer monsoon (EASM) variability. The leading EASM mode, accounting for 19.6% of the variance, is characterized by two different modes (M11 and M12) or their combination. Both portray a closed cyclonic or anticyclonic circulation anomaly over the western North Pacific (WNP), South China Sea (SCS), and southeastern China; corresponding anomalous geopotential height fields show a wave train structure from the WNP across Japan, the Okhotsk Sea, and Alaska to North America. Thus, the leading EASM mode characterizes the teleconnection pattern of the WNP-EASM. The correlation between M11 (M12) and the dynamic index for the WNP-EASM is 0.85 (0.51). M11 has leading spectral peaks at 15 and 3 yr, whereas M12 displays a predominant peak at 2 yr. It is found that M11 has interdecadal variations, with the transition years being circa 1973 and 1989, respectively. M11 is closely related to air–sea interactions in the SCS and the northwestern Pacific, and its association with the convective heat source over the northwestern Pacific is secondary. In contrast, M12 is closely related to the tropical convective heat source rather than tropical western Pacific sea surface temperature (SST). The second EASM mode, accounting for 12.8% of the variance, is identified and characterized by two distinct and alternating modes or their linear combination (M21 and M22). One mode (M21) closely relates to the dual blocking high pattern detected in anomalous sea level pressure (SLP) and 500-hPa geopotential heights over the Ural Mountains and the Okhotsk Sea. The other (M22) corresponds to a dipole blocking anomaly in anomalous SLP and geopotential heights, with opposing anomalous centers in the south of Japan and the Korean peninsula, and the area between Lake Baikal and the Okhotsk Sea. M22 shows significant correlations with summer mean rainfall in southern and southeastern China. Thus, a single index of EASM is inappropriate for investigating and predicting the EASM.
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Washington, J. A. "Functions and activities of the Area Committee on Microbiology of the National Committee for Clinical Laboratory Standards." Clinical Microbiology Reviews 4, no. 2 (1991): 150–55. http://dx.doi.org/10.1128/cmr.4.2.150.

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The Area Committee on Microbiology of the National Committee for Clinical Laboratory Standards has responsibility for the development of guidelines and standards in the field of clinical microbiology. Through the consensus process, representatives from government, industry, and professional societies have developed standards on antibacterial susceptibility testing (M2, M7, and M11), antimycobacterial susceptibility testing (M24), quality assurance on commercially prepared microbiological culture media (M22), evaluation of production lots of dehydrated Mueller-Hinton agar (M6), and preparation and testing of fetal bovine serum for use as cell culture growth supplement (M25) and guidelines on bactericidal tests (M26), protection of laboratory workers from infections transmitted by blood, body fluids, and tissue (M29), blood film examination for parasites (M15), and development of in vitro susceptibility testing criteria and quality control parameters (M23).
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Crawford, Frank S. "Mutual inductance M12=M21: An elementary derivation." American Journal of Physics 60, no. 2 (1992): 186. http://dx.doi.org/10.1119/1.16941.

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Le Dref, John, Florent Eyma, Gilles Dessein, Louis Etienne Denaud, and Yann Landon. "Comparative Study of Tools in Drilling Composites T700-M21 and T800-M21." Advanced Materials Research 698 (May 2013): 59–68. http://dx.doi.org/10.4028/www.scientific.net/amr.698.59.

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The drilling of composite materials can produce, around the hole, defects and damages which decrease the mechanical resistance of the drilled workpiece. This study shows the influence of several tools (drill, mill and reamer) on the hole quality obtained, in the context of reference parts where surface integrity is a priority. An experimental study is suggested and the criteria used to assess the hole quality are defined. Results show the behavior of each type of cutting tool and their influence on the defects generated. Finally, this study helps creating a scale of recommended cutting conditions to reduce the tool wear and improve the hole quality.
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Arimura, Takuro, Antoine Muchir, Masayoshi Kuwahara, et al. "Overexpression of heart-specific small subunit of myosin light chain phosphatase results in heart failure and conduction disturbance." American Journal of Physiology-Heart and Circulatory Physiology 314, no. 6 (2018): H1192—H1202. http://dx.doi.org/10.1152/ajpheart.00696.2017.

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Mutations in genes encoding components of the sarcomere cause cardiomyopathy, which is often associated with abnormal Ca2+ sensitivity of muscle contraction. We have previously shown that a heart-specific myosin light chain phosphatase small subunit (hHS-M21) increases the Ca2+ sensitivity of muscle contraction. The aim of the present study was to investigate the function of hHS-M21 in vivo and the causative role of abnormal Ca2+ sensitivity in cardiomyopathy. We generated transgenic mice with cardiac-specific overexpression of hHS-M21. We confirmed that hHS-M21 increased the Ca2+ sensitivity of cardiac muscle contraction in vivo, which was not followed by an increased phosphorylation of myosin light chain 2 isoforms. hHS-M21 transgenic mice developed severe systolic dysfunction with myocardial fibrosis and degeneration of cardiomyocytes in association with sinus bradycardia and atrioventricular conduction defect. The contractile dysfunction and cardiac fibrosis were improved by treatment with the Rho kinase inhibitor fasudil. Our findings suggested that the overexpression of hHS-M21 results in cardiac dysfunction and conduction disturbance via non-myosin light chain 2 phosphorylation-dependent regulation. NEW & NOTEWORTHY The present study is the first to develop mice with transgenic overexpression of a heart-specific myosin light chain phosphatase small subunit (hHS-M21) and to examine the effects of hHS-M21 on cardiac function. Elevation of hHS-M21 induced heart failure with myocardial fibrosis and degeneration of cardiomyocytes accompanied by supraventricular arrhythmias.
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Miguel, Ricardo Núñez, Shu Chen, Laleh Nikfarjam, et al. "Analysis of the interaction between human steroid 21-hydroxylase and various monoclonal antibodies using comparative structural modelling." European Journal of Endocrinology 153, no. 6 (2005): 949–61. http://dx.doi.org/10.1530/eje.1.02044.

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Objective: To study the interaction between human steroid 21-hydroxylase (21-OH) and monoclonal antibodies (MAbs) to 21-OH directed to 3 different epitopes recognised by 21-OH autoantibodies characteristic of autoimmune Addison’s disease. Design: Build comparative structural models of 21-OH, 21-OH MAbs and complexes of 21-OH–21-OH MAbs and study the effects of 21-OH MAbs on 21-OH enzyme activity. Then, analyse the relationship between sites important for binding of 21-OH MAbs and 21-OH autoantibodies and sites important for 21-OH enzyme activity. Methods: Variable (V) regions of 21-OH MAbs (M21-OH1, M21-OH3, M21-OH5) were sequenced and models of the MAbs built using structures of antibodies in the database as templates. A comparative model of 21-OH was built using the crystal structure of rabbit cytochrome p450 2c5/3LVdH as template. 21-OH enzyme activity was measured in terms of conversion of [3H]progesterone to deoxycorticosterone and the effect of purified MAb IgGs on 21-OH enzyme activity was assessed. Results: M21-OH1, M21-OH3 and control MAb had no effect on 21-OH enzyme activity with 88.8% ± 24% (n = 6), 86.7% ± 7.6% (n = 6) and 86.5% ± 10.6% (n = 6) of activity remaining in the presence of the respective IgGs. This was consistent with the epitopes for M21-OH1 and M21-OH3 being located distant from 21-OH enzyme active sites in our 21-OH model. The epitope for M21-OH5 which inhibited 21-OH enzyme activity (48.5 ± 8.3% activity remaining; P < 0.001 compared with control MAb IgG) was found close to the redox protein binding site in our 21-OH model. Conclusions: A comparative model of 21-OH has been produced. Analysis of experimental data in the context of the model suggests that M21-OH5 inhibits 21-OH enzyme activity through interference with redox protein binding.
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Jacobs, Pascale, and Dimitri Leemans. "An Algorithmic Analysis of the Intersection Property." LMS Journal of Computation and Mathematics 7 (2004): 284–99. http://dx.doi.org/10.1112/s1461157000001133.

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AbstractIn this paper, efficient algorithms are given to test the intersection property and some of its variations on flag-transitive coset geometries. These algorithms are then applied to geometries of some sporadic groups, namely the Mathieu groups M11, M12, M22 and M23, the Janko groups J1, J2 and J3 and the Higman-Sims group HS.
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Curtis, R. T. "Natural constructions of the Mathieu groups." Mathematical Proceedings of the Cambridge Philosophical Society 106, no. 3 (1989): 423–29. http://dx.doi.org/10.1017/s0305004100068158.

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In the second half of the last century the French mathematician Emil Mathieu discovered two quintuply transitive permutation groups, now labelled M12 and M24, acting on twelve and twenty-four letters respectively. With the classification of finite simple groups complete we now know that any other quintuply transitive permutation group, on any number of letters, must contain the corresponding alternating group. Indeed, the only quadruply transitive groups, other than the alternating and symmetric groups, are the point stabilizers in M12 and M24, which are denoted by M11 and M23 respectively. To put it another way, the study of multiply (≥ 4-fold) transitive groups now means the study of the symmetric groups and the Mathieu groups. Apart from their beauty and interest in their own right the Mathieu groups are involved in many of the other sporadic simple groups: see ([2], p. 238). Thus a detailed understanding of the other exceptional groups necessitates an intimate knowledge of M12 and M24.
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Cerioli, Sergio, Stefania Ballarini, Helmut Uhrig, Eugenio Scalzotto, and Adriano Marocco. "Induction of unstable alleles at the temperature-sensitive Virescent-1 gene of maize using the transposable element Dissociation." Genetical Research 66, no. 3 (1995): 203–12. http://dx.doi.org/10.1017/s0016672300034650.

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SummaryTranspositive mutagenesis was employed to prepare genetic strains useful in cloning the Virescent-1 locus (V1) of maize. A stepwise approach was used based on: (1) the isolation of putative insertion phenotypes (62 cases); (2) the verification of the genetic nature of the selected events (36 v1-m mutant alleles induced); (3) the accurate genetic study of 11 alleles; (4) the genetic assessment that the alleles v1-m1 and v1-m4 are due to the insertion of a Ds element into the locus V1; (5) the proof that a Ds-like DNA element induces the inactivation of the wild type function in the allele v1-m1. The phenotype of the unstable alleles, studied by germinating and keeping maize seedlings at the temperature of 18 °C, are the following: alleles v1-m1, v1-m9, v1-m11, v1-m17 and v1-m18 showing a few revertant green sectors on their leaves; v1-m4 exhibiting a reverse type of variegation; alleles v1-m2 and v1-m13 with a coarse pattern of variegation; alleles v1-m12, v1-m21 and v1-m23 frequently showing leaves part green with white stripes and part white with green stripes. For the alleles studied, in addition to somatic instability, germinal reversions also occurred. In some cases, these reversions resulted in stable derivatives with a different colour from that of the wild-type (‘near green’ or pale phenotypes). The results presented not only allow the v1-m1 allele to be chosen as a starting material for cloning the V1 locus, but also define the molecular strategy to be followed.
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Mitjans, F., D. Sander, J. Adan, et al. "An anti-alpha v-integrin antibody that blocks integrin function inhibits the development of a human melanoma in nude mice." Journal of Cell Science 108, no. 8 (1995): 2825–38. http://dx.doi.org/10.1242/jcs.108.8.2825.

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A series of murine monoclonal antibodies were raised against purified human alpha v beta 3 integrin and against M21 human melanoma cells. Five notable hybridomas were identified by ELISA on purified integrins, and the isolated antibodies bound the alpha v-chain. These antibodies, 17E6, 20A9, 23G5, 14D9.F8 and 10G2, recognised the extracellular domains of the integrin, and were shown to be reactive in FACS, immunoprecipitation, ELISA, and ELISA on fixed cells with M21, M21-L4, and UCLA-P3, but not with the alpha v-deficient M21-L or M21-L-IIb (M21-L transfected with GpIIb integrin). One antibody, 17E6, strongly perturbed cell attachment mediated by alpha v integrins, reacting at least with alpha v beta 3, alpha v beta 5, and alpha v beta 1, and strongly inhibiting cell attachment to alpha v-ligands vitronectin and fibronectin with an IC50 of approximately 0.1 microgram ml-1. Furthermore, 17E6 at this concentration could induce cell retraction from the substrate, while LM609 (anti-alpha v beta 3) and control antibody 14E2 (anti-200 kDa melanoma surface protein) at 1,000-fold higher concentrations had minimal effects on cell morphology. The action of 17E6 was reversible and was not due to toxic effects: in vitro 17E6 at 0.1 mg ml-1 did not affect either cell proliferation or DNA synthesis. In two nude-mouse tumour models, subcutaneous tumour development and a lung colonisation (‘experimental metastasis’) assay, injection of 17E6 strongly inhibited tumour development, while isotype-matched controls had no effect. There was no obvious mechanism of cell or of complement-mediated tumour cytotoxicity; the antibody did not mediate ADCC or AECDC, or complement fixation. The data strongly support previous studies which have indicated the importance of alpha v-integrins, and especially alpha v beta 3, in the tumour progression of human melanoma.
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Dissertations / Theses on the topic "M21"

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Kothe, Sheila Isabella Karola. "Charakterisierung des murinen Zytomegalovirus MicroRNA Clusters m21/m22/M23." Diss., lmu, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-154617.

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Kothe, Sheila Isabella Karola [Verfasser], and Ulrich [Akademischer Betreuer] Koszinowski. "Charakterisierung des murinen Zytomegalovirus MicroRNA Clusters m21-m22-M23 / Sheila Isabella Karola Kothe. Betreuer: Ulrich Koszinowski." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2013. http://d-nb.info/1033504505/34.

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Amberger, Harald, Eva Eberhartinger, and Helmut Kasper. "Tax-Rate Biases in Tax-Planning Decisions: Experimental Evidence." WU Vienna University of Economics and Business, Universität Wien, 2016. http://epub.wu.ac.at/4897/1/SSRN%2Did2727680.pdf.

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Recent empirical findings suggest that firms might not always engage in economically optimal tax planning. We conduct a series of four laboratory experiments with 223 students and 62 tax professionals to examine whether decision biases offer a behavioral explanation for tax outcomes. We find that individuals overestimate the importance of tax rates relative to the tax base when facing time pressure in tax-planning decisions. This systematic decision bias results in suboptimal choices. In line with the theory of rational inattention, we observe that increasing tax-burden differences between two tax-planning strategies weakly mitigate the decision bias. However, tax-planning behavior is unaffected by the level of experience: students and highly experienced tax professionals are similarly prone to biased decision-making. Overall, our findings suggest that overestimating the implications of salient tax-rate information can cause decision biases and contribute to heterogeneity in tax outcomes.<br>Series: WU International Taxation Research Paper Series
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Stiassny, Alfred, Agnes Somosi, and Krisztina Kolos. "Enhancing customer retention in case of service elimination? An empirical investigation in telecommunications." WU Vienna University of Economics and Business, 2019. http://epub.wu.ac.at/6865/1/wp283.pdf.

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Generally, service industries require a rapid innovation of service portfolios to gain and maintain a competitive advantage. In this context, service elimination is a tool of portfolio renewal, where customer retention is a strategic priority for companies. This is especially so because service elimination usually causes higher churn rates than an average churn in telecommunications. Thus, customer retention is seen as a major aspect in enhancing service elimination success. The purpose of this paper is to investigate the factors that increase customer churn in the case of service elimination. We use one of the three Hungarian telecommunication Operator's databases containing usage data three months before and after Service elimination in the course of a major service package reform. Contract-related information and demographics of 10 065 customers are used to differentiate between high and low churn factors, taking care of a possible sample selection problem. The results show that in the course of service elimination there is a significant positive relationship between price decrease, tenure, interaction intensity on the one, and customer retention on the other side. Besides these, demographics (age and residence) also play an important role in explaining churn rates during service elimination. Furthermore, we find that a higher monthly fee after elimination increases the customer´s usage intensity. This research aims to contribute both to service elimination, as well as to customer retention literature, by hierarchical modeling of retention and usage during service elimination with practical implications for decision-makers in rapidly innovating telecommunication markets.<br>Series: Department of Economics Working Paper Series
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Iqbal, Salma. "Phenotypical and Functional Characterization of Polarized Human Macrophages." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32009.

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Macrophages can be polarized into M1 and M2 macrophages based on the composition of the milieu. Human macrophages have been poorly characterized. In this study, various macrophage subsets were generated by treating monocyte-derived macrophages (MDMs) with IFNγ (M1), IL-4 (M2a), LPS and IL-1β (M2b) or IL-10 (M2c) which were characterized with respect to their cell surface marker profile and functional profile in the context of cytokine production, susceptibility to HIV infection and apoptosis. Each polarization state demonstrated a unique cell surface marker profile and cytokine profile. In addition M1 macrophages were shown to produce IFNγ post TLR stimulation. Moreover, M1 macrophages were highly sensitive to apoptosis following Smac mimetic treatment. Furthermore, M2a and M2c macrophages were resistant to apoptosis, induced by PI3K blockage and IAPs degradation respectively, and at the same time supported productive HIV infection unlike the other macrophage subsets. These findings might lead to better understanding of HIV reservoir formation and be used to develop therapies to eradicate it.
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Fellner, Wolfgang, and Andrea Grisold. "Positioning Public Service Broadcasting in a Competitive TV Market. Small Country Programming Strategies based on a Wide-Reach Genre." Department of Economics, WU Vienna University of Economics and Business, 2009. http://epub.wu.ac.at/166/1/document.pdf.

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This article explores how a public service broadcasting company, namely ORF in Austria, has dealt with the challenges created by the dual system. An investigation of market requirements, public programming mandate, cost structure and financing needs reveals how economic and political constraints are interrelated. To illustrate this phenomenon, we focus on programming, specifically on the highly successful genre of popular folksy music ('Volkstümliche Musik'). Opinions of decision-makers responsible for programming strategies at the Austrian PSB company are linked with a detailed empirical analysis of one prosperous production within that genre. This enables us to draw a number of conclusions on the strategies pursued by public service broadcasting companies to master the changed market conditions and draw attention to so far unattended topics.<br>Series: Department of Economics Working Paper Series
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Schmid, Matthias Martin. "Microlensing towards M31 /." Zürich : Unversity of Zürich, Institute of Theoretical Physics, 2002. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=95.

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Faria, Bruno Miguel Cunha. "M2M management platform." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14715.

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Mestrado em Engenharia de Computadores e Telemática<br>The Internet of Things is still a fast growing area and topic of interest. New solutions and implementations keep emerging, both in service oriented solutions or device oriented solutions with M2M communications, therefore promoting the creation of new business models. Thus, as a natural evolution, came the possibility to abstract sensor management from service creation. Allowing a delegation of sensor management from the sensor providers, to focus on content creation through services. However, this delegation brings new concerns regarding access control. Consequently, this dissertation proposes a possible solution to this problem, enclosed in a service oriented platform interconnected with an ETSI M2M solution. Promoting interoperability between sensors and allowing a great elasticity in service creation.<br>A Internet das Coisas continua a ser uma área em grande crescimento e de grande interesse. Estão constantemente a surgir novas soluções e inplementações, tanto ao nível dos serviços como ao nível das comunicações Máquina-a-Máquina, promovendo assim o aparecimento de novos modelos de negócio. Desta forma surgiu naturalmente a possibilidade de abstrair a gestão de sensores da criação de serviços. Permitindo assim, uma delagação da gestão por parte de empresas detentoras de sensores, para se focarem no conteúdo com a criação de serviços. Contudo esta divisão acarreta algumas preocupações de segurança quanto ao controlo de acesso. Nesse sentido, esta dissertação propõe uma possível solução para o mesmo, englobada numa plataforma orientada ao serviços interligada com uma solução ETSI M2M. Promovendo a interoperabilidade entre sensores e permitindo assim uma grande elasticidade na criação de serviços.
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Arrasco, Alegre Juan Carlos, Champe Rufino Cabrera, Rojas Yudy Cley Condor, et al. "Epidemiología - ME21 201801." Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/624401.

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El curso de epidemiología es un curso de especialidad en las carreras de la Facultad de Ciencias de la Salud, de carácter teórico-práctico, dirigido a estudiantes de sétimo ciclo de la carrera de Medicina. La epidemiología como ciencia básica es fundamental en la formación de los médicos; ha sido definida como la "lógica de la medicina moderna" y a partir de la aplicación del raciocinio epidemiológico surgió la nueva corriente de la "Medicina basada en Evidencias". La epidemiología cumple un rol integrador entre las ciencias básicas y las ciencias clínicas, así como entre la medicina recuperativa y la medicina preventiva. En este curso el estudiante aprenderá a comprender como evolucionan las enfermedades, aprenderá cómo se mide la frecuencia de la enfermedad, cómo se investiga la causa de las enfermedades, cómo se investiga una epidemia, cómo se hace un diagnóstico de la situación de salud de una población, identificando los grupos poblacionales de mayor riesgo y proponiendo medidas de prevención y control. El curso de epidemiología busca desarrollar las competencias generales de Razonamiento Cuantitativo al lograr la capacidad para trabajar con datos alfanúmericos y/o gráficos para resolver problemas del contexto cotidiano para sacar conclusiones y contribuir argumentos basados en resultados válidos en el nivel 2; y la competencia general de Manejo de Información al lograr la capacidad para buscar y seleccionar información de forma eficiente y efectiva, además de evaluar críticamente la calidad y veracidad de la misma utilizándola de manera ética y responsable en el nivel 2. Asimismo, busca desarrollar la competencia específica de Salud Pública de I. INFORMACIÓN GENERAL CURSO : Epidemiología CÓDIGO : ME21 CICLO : 201801 CUERPO ACADÉMICO : Arrasco Alegre, Juan Carlos Cabrera Champe, Rufino Condor Rojas, Yudy Cley Cáceres Mejía, Brenda Napanga Saldaña, Edwin Omar Nepo Linares, Edgardo Pardo Ruiz, Karim Jacqueline Poquioma Rojas, Ebert Carlos Valdéz Huarcaya, William Vicuña Olivera, Marisol Roxana CRÉDITOS : 4 SEMANAS : 16 HORAS : 2 H (Laboratorio) Semanal /2 H (Práctica) Semanal /2 H (Teoría) Semanal ÁREA O CARRERA : Medicina II. MISIÓN Y VISIÓN DE LA UPC Misión: Formar líderes íntegros e innovadores con visión global para que transformen el Perú. Visión: Ser líder en la educación superior por su excelencia académica y su capacidad de innovación. 2 Diagnóstico Situacional al lograr la capacidad para describir y priorizar los problemas de salud de la comunidad en el nivel 2. La epidemiología en la enseñanza de la medicina es imprescindible para el entendimiento del proceso salud enfermedad, de los determinantes y factores de riesgo, de la eficacia y efectividad terapéutica, de la certeza diagnóstica, así como, del establecimiento de un pronóstico. El uso del método epidemiológico a través de los años ha permitido brindar importantes aportes a la medicina y a la ciencia, a la vez, que el método fue perfeccionándose y lo continúa haciendo.
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Karlsson, Patrik. "Demonstrationsutrustning för M2M tillämpning." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2532.

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<p>Detta examensarbete är ett utvecklingsarbete av demonstrationsutrustning för enkel visning av fördelarna med M2M-tekniken vid insamling av mätdata och automatisk övervakning. Arbetet består av en praktisk del, som utgörs av demonstrationsväskan, och en mer teoretisk del, som utgörs av demonstrationsprogrammet. </p><p>Programmet har utvecklats till att med ett mätkort kopplat till en PC samla in mätvärden (spänningar), dessa skickas sedan som ett SMS med ett GSM-modem till en mottagare. Mottagaren kan vara en serviceman som vill ha felmeddelanden från utrustning inom dennes ansvarsområde, mottagaren kan även vara en server som rymmer en databas vilken används för att spara viktiga mätvärden för längre tid, t.ex. loggning av elförbrukning hos något kraftbolags kund. </p><p>Det hela har alltså resulterat i ett färdigt och väl fungerande program, som utför just det som är uppdraget ovan. Mätresultatenhar tillräcklig noggrannhet för detta uppdrag om att demonstrera fördelarna med M2M-tekniken, och mätresultatet kommer även fram till mottagaren i sin rätta form. </p><p>Detta betyder att M2M Communication AB nu kan demonstrera vinsten med M2M-tekniken för potentiell kund på ett enkelt och förklarande sätt. Integrerat i demonstrationsutrustningen har nu också företaget fått en enkel och självklar utrusning för att i praktiken se hur nya givare och annan utrusning fungerar ihop med ComHost 300 som är företagets primära produkt. </p><br><p>The goal with this master thesis is to develop a simple equipment to show the advantage of using M2M-technic when collect measured data and when using automatic monitoring of alarm and sensors. The thesis is divided in two parts, a practical part that corresponds to a case with sensors and equipment. The case is used to collect measure data to be used when demonstrating the theoretical part, which corresponds to the software program. The software program is developed to measure voltage with the data acquisition card, and then send them as a SMS text message via the GSM network. For this tasks the software also have to control the GSM-modem. This text message is either sent to a computer for logging in a database, or to the service department who owns the equipment measured. </p><p>This work has ended up in well function software that can be installed on a PC-system with a Windows 2000(tm) operation system. The accuracy on the measured data is good enough for the task to demonstrate the function of the M2M-technic. The text message is also arrive to the receiver as expected. </p><p>The result of this master thesis ends up giving the company M2M Communication AB the possibility to demonstrate the M2M-technic on a simple and explaining manner for a potential customer. Integrated in the new equipment the company also has been given a possibility to test new sensors and signal sources in a real world M2M test.</p>
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Books on the topic "M21"

1

Wright, Owen. BSA M20 & M21. Haynes Pub. Group, 1985.

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Doyle, David. M24 Chaffee. Squadron/Signal Publications, 2009.

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Doyle, David. M24 Chaffee. Squadron/Signal Publications, 2009.

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Boswarthick, David, Omar Elloumi, and Olivier Hersent, eds. M2M Communications. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119974031.

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Doyle, David. M26 pershing. Squadron/Signal Publications, 2008.

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M26 Dragon Wagon. Squadron/Signal Publications, 2011.

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Around the M25. Hale, 1986.

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Great Britain. Central Office of Information. M25 orbital motorway. Department of Transport, 1986.

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Mesko, Jim. M8 / M20 armored cars. Squadron/Signal Publications, 2013.

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Doyle, David. M19-M20 tank transporter. Squadron/Signal Publications, 2014.

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Book chapters on the topic "M21"

1

Schmidt-Böcking, Horst, Karin Reich, Alan Templeton, Wolfgang Trageser, and Volkmar Vill. "M21." In Otto Sterns Veröffentlichungen – Band 5. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46958-3_17.

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Sipos, Jennifer A. "M21 – Molecular Markers for the diagnosis of Thyroid Cancer by Fine-Needle Aspiration." In 2012 Meet-The-Professor: Endocrine Case Management. The Endocrine Society, 2012. http://dx.doi.org/10.1210/mtp1.9781936704729.ch57.

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Lenders, Jacques. "M21 – When to Consider and How to Perform Case Detection Testing for Endocrine Hypertension." In 2013 Meet-The-Professor: Endocrine Case Management. The Endocrine Society, 2013. http://dx.doi.org/10.1210/mtp2.9781936704637.ch3.

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Schmidt-Böcking, Horst, Karin Reich, Alan Templeton, Wolfgang Trageser, and Volkmar Vill. "M20." In Otto Sterns Veröffentlichungen – Band 5. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46958-3_16.

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Schmidt-Böcking, Horst, Karin Reich, Alan Templeton, Wolfgang Trageser, and Volkmar Vill. "M22." In Otto Sterns Veröffentlichungen – Band 5. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46958-3_18.

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Schmidt-Böcking, Horst, Karin Reich, Alan Templeton, Wolfgang Trageser, and Volkmar Vill. "M11." In Otto Sterns Veröffentlichungen – Band 5. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46958-3_7.

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Schmidt-Böcking, Horst, Karin Reich, Alan Templeton, Wolfgang Trageser, and Volkmar Vill. "M12." In Otto Sterns Veröffentlichungen – Band 5. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46958-3_8.

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Darmois, Emmanuel, and Omar Elloumi. "Introduction to M2M." In M2M Communications. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119974031.ch1.

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Ennesser, François. "Smart Cards in M2M Communication." In M2M Communications. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119974031.ch10.

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Boswarthick, David, and Omar Elloumi. "Conclusions." In M2M Communications. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119974031.ch11.

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Conference papers on the topic "M21"

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Romanov, V. I., O. G. Zhiritsky, A. V. Kovalenko, and V. V. Lupandin. "M21 Cruise Marine Combined Cycle Plant." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-450.

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The paper describes M21 cruise marine combined cycle plant for SLAVA class cruisers (COGAG arrangement). Three guided missile cruisers (Figure 1) are powered by these plants (two plants for each cruiser). During this plant development the more strict demands on weight and size had been taken into account as compared with M25 plants for merchant ships. The paper shows technical data of M21 combined cycle plant, descriptions and design features of SPA MASHPROEKT GT 6004R gas turbine with reversible free power turbine, waste-heat recovery boiler, steam turbine with a condenser and a common gear unit. More than 10 year service experience of these plants is shown in this paper.
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Anyanor, C., J. Horno, and T. Havelock. "M21 Clinical review of nebulised colomycin for pseudomonas colonisation in COPD and non-CF bronchiectasis." In British Thoracic Society Winter Meeting 2019, QEII Centre, Broad Sanctuary, Westminster, London SW1P 3EE, 4 to 6 December 2019, Programme and Abstracts. BMJ Publishing Group Ltd and British Thoracic Society, 2019. http://dx.doi.org/10.1136/thorax-2019-btsabstracts2019.429.

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Sutrisno, Sutrisno, and Tricia Dewi Anggraeni. "Good outcome vulvar adenocarcinoma-mucinous with pseudomyxoma type stage IVB-grade I after radical vulvectomy, bilateral inguinal lymphadenectomy, left pelvic lymphadenectomy, vulvar reconstruction (keystone flap), colostomy transversum adjuvant radiation." In The 7th Biennial Meeting of Asian Society of Gynecologic Oncology. Asian Society of Gynecologic Oncology; Korean Society of Gynecologic Oncology; Japan Society of Gynecologic Oncology, 2021. http://dx.doi.org/10.3802/jgo.2021.32.s1.m21.

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Enston-Newall, S. "M21 Patient stories: the use of novel anti-fibrotics, pirfenidone and nintedanib, in the management of idiopathic pulmonary fibrosis, ipf." In British Thoracic Society Winter Meeting 2017, QEII Centre Broad Sanctuary Westminster London SW1P 3EE, 6 to 8 December 2017, Programme and Abstracts. BMJ Publishing Group Ltd and British Thoracic Society, 2017. http://dx.doi.org/10.1136/thoraxjnl-2017-210983.443.

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Aslam, R., MPT Kennedy, B. Bhartia, B. Shinkins, RD Neal, and MEJ Callister. "M21 Are there any differences in cancer outcomes according to time between baseline chest X-ray and lung cancer diagnosis?" In British Thoracic Society Winter Meeting 2018, QEII Centre, Broad Sanctuary, Westminster, London SW1P 3EE, 5 to 7 December 2018, Programme and Abstracts. BMJ Publishing Group Ltd and British Thoracic Society, 2018. http://dx.doi.org/10.1136/thorax-2018-212555.441.

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Henerichs, M., C. Dold, R. Voß, and K. Wegener. "Performance of Lasered PCD- and CVD-Diamond Cutting Inserts for Machining Carbon Fiber Reinforced Plastics (CFRP)." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62675.

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Carbon fiber reinforced plastics (CFRP) combine superior mechanical properties with a low weight. Consequently, this material is highly interesting for the aircraft as well as the automotive industry, leading to a massively increased application over the last years. However machining CFRP still faces different difficulties: The material is highly abrasive, most tool substrates and coatings face massive abrasive wear. Machining CFRP often results in many material defects like delamination, fiber pull-out, high surface roughness and burnt matrix material. Several technologies have been developed to combine ultra-hard tool surfaces and most adaptable cutting edge geometries. One of the most interesting approaches is laser machining of diamond cutting edges. The technology combines the wear resistance of thick layer diamonds with a geometrical flexibility so far known only for carbide tools. In the presented study, the wear resistance of different Polycrystalline Diamond (PCD) and Chemical Vapor Deposition (CVD)-Diamond grades machined with two different laser systems has been tested for machining CFRP. In comparison state-of-the-art grinded PCD cutting inserts are being tested. The comparison of machining characteristics is done by machining CFRP in a continuous turning process with a single fiber orientation. Machining forces are measured to evaluate tool wear. The resulting work piece quality is analyzed by measuring the surface roughness. The machined CFRP is a M21 resin system with an IMA-12K fiber from Hexcel©. Laser machined cutting inserts show equal or superior wear resistance compared to the grinded cutting inserts. In result today lasered cutting inserts are the machining tools available with the highest tool life time. In combination with the freely adaptable tool geometry, lasered cutting inserts are the superior tool system for upcoming machining tasks.
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Al-Dakheel, Hussain, Idris Temitope, Jafar Albinmousa, and Khaled Al-Athel. "Modeling Fatigue Crack Growth in CFRP Adhesively Bonded Substrate Using XFEM." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23537.

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Abstract Carbon fiber reinforced polymers (CFRP) are crucial for many industries due to their superior material properties. CFRPs have strength and toughness that are comparable to metals but with the advantage of possessing lighter weight and higher corrosion resistance. Typically, structural parts are joined by bolts and rivets resulting in difficulties keeping the integrity of these joints. In CFRP joints, screw holes are stress concentration sites that may develop cracks, splits and delamination. Alternatively, adhesive bonding can be used as a joining method for CFRP substrates to overcome the disadvantages bolts and rivets. Structural parts are usually subjected to cyclic loading. Therefore, fatigue is considered as a major design tool for these parts. Finite element analysis is a powerful tool for modeling damage in components. This paper aims to simulate fatigue crack growth in adhesively bonded carbon fiber reinforced polymer (CFRP) composite substrates using a double cantilever beam (DCB) specimen. ANSYS XFEM is utilized to simulate the crack path using the enrichment technique to assign elements to the crack path. The model calculates the stress intensity factor (SIF) based on the domain integral over the contour around the crack tip. Then, it is converted at each sub-step to the energy released rate (ERR) which includes a correction factor estimated from the cohesive zone model (CZM). The model is idealized as a 2D geometry with the nodes at the unloaded edge and the corner being constrained in the longitudinal and the tangential directions, respectively. Displacement was applied at the other end of the specimen separating the two beams in a mode I condition. Finally, the number of cycles is estimated from Paris law. To verify the proposed model, fatigue crack growth (FCG) tests were performed on an 8-layer unidirectional CFRP laminates (HexPly T700/M21) fabricated into DCB specimens. The substrates is joined by an aerospace grade adhesive (Araldite 420). The estimated energy release rate (ERR) using the developed finite element model is within 90% or more of that determined experimentally.
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Ohara, Junichi. "Falling Film Evaporation of HFO-1233zd(E) in Vertical Rectangular Minichannels Consisting of Serrated-Fins." In ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/icnmm2019-4221.

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Abstract In the present study, the characteristics of heat transfer are experimentally investigated on the falling film evaporation of alternative pure refrigerant HFO-1233zd(E) in a plate-fin heat exchanger having a vertical rectangular minichannels of 2.11 mm hydraulic diameter consisting of serrated-fins. The refrigerant liquid is supplied to the channel through 37 holes of a liquid distributor. The liquid flowing down vertically is heated electrically from the rear wall of the channel and evaporated. The experimental parameters are as follows: the mass velocities are varied 7.4∼55.1 [kg/(m2s)], the heat fluxes are varied 8.7∼50 [kW/m2] and the pressures are about 100 [kPa]. In the case of small mass velocity being smaller than 20 [kg/(m2s)], heat transfer coefficient decreases monotonously and gradually with increase of quality and take value of 5∼1[kW/m2K]. It is thought that the cause of lower value of heat transfer coefficient is occurring dry patch and aria enlargement of dry area in the downstream region. In the case of large mass velocity being larger than 41 [kg/(m2s)], the value of heat transfer coefficient becomes larger with increase of quality except for the case of mass velocity being 41 [kg/(m2s)] and heat flux being 50[kW/m2]. Improved heat transfer is to be thinkable that the liquid and vapor flow becomes dripping in the middle-stream region, and turns into mist flow with thin liquid film on the fin surface in the downstream region of quality being larger than 0.4.
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Park, K. S., W. H. Choo, and K. H. Bang. "Flow Boiling Heat Transfer of R-22 in Small-Diameter Horizontal Round Tubes." In ASME 2003 1st International Conference on Microchannels and Minichannels. ASMEDC, 2003. http://dx.doi.org/10.1115/icmm2003-1078.

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The flow boiling heat transfer coefficient of R-22 in small hydraulic diameter tubes has been experimentally studied. Both brass and aluminum round tubes of 1.66 mm inside diameter are used for the test section. The ranges of the major experimental parameters are 300∼600 kg/m2s of refrigerant mass flux, 10∼20 kW/m2 of the wall heat flux, 0.0∼0.9 of the inlet vapor quality. The experimental result showed that the flow boiling heat transfer coefficient in this small tubes are in the range of 2∼4 kW/m2K and it varies only by heat flux, independent of mass flux and vapor quality. It is also observed that the heat transfer coefficients in the aluminum tube are up to 50% higher than in the brass tube.
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Miura, Shinichi, Yukihiro Inada, Yasuhisa Shinmoto, and Haruhiko Ohta. "Development of Cooling System for a Large Area at High Heat Flux by Using Flow Boiling in Narrow Channels." In ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2009. http://dx.doi.org/10.1115/icnmm2009-82279.

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Advance of an electronic technology has caused the increase of heat generation density for semiconductors densely integrated. Thermal management becomes more important, and a cooling system for high heat flux is required. It is extremely effective to such a demand using flow boiling heat transfer because of its high heat removal ability. To develop the cooling system for a large area at high heat flux, the cold plate structure of narrow channels with auxiliary unheated channel for additional liquid supply was devised and confirmed its validity by experiments. A large surface of 150mm in heated length and 30mm in width with grooves of an apex angle of 90 deg, 0.5mm depth and 1mm in pitch was employed. A structure of narrow rectangular heated channel between parallel plates with an unheated auxiliary channel was employed and the heat transfer characteristics were examined by using water for different combinations of gap sizes and volumetric flow rates. Five different liquid distribution modes were tested and their data were compared. The values of CHF larger than 1.9×106W/m2 for gap size of 2mm under mass velocity based on total volumetric flow rate and on the cross section area of main heated channel 720kg/m2s or 1.7×106W/m2 for gap size of 5mm under 290kg/m2s were obtained under total volumetric flow rate 4.5×10−5m3/s regardless of the liquid distribution modes. Under several conditions, the extensions of dry-patches were observed at the upstream location of the main heated channel resulting burnout not at the downstream but at the upstream. High values of CHF larger than 2×106W/m2 were obtained only for gap size of 2mm. The result indicates that higher mass velocity in the main heated channel is more effective for the increase in CHF. It was clarified that there is optimum flow rate distribution to obtain the highest values of CHF. For gap size of 2mm, high heat transfer coefficient as much as 7.4×104W/m2K were obtained at heat flux 1.5×106W/m2 under mass velocity 720kg/m2s based on total volumetric flow rate and on the cross section area of main heated channel. Also to obtain high heat transfer coefficient, it is more useful to supply the cooling liquid from the auxiliary unheated channel for additional liquid supply in the transverse direction perpendicular to the flow in the main heated channel.
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Reports on the topic "M21"

1

Sniezek, Frank. Performance Oriented Packaging Report for Cutter, Cartridge, Actuated, Reefing Line, M21. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada259093.

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Newcombe, James. Performance Oriented Package Testing of the M205, M218, M219 and M20 Propelling Charges. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada259314.

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Shen, T. Evaluation of Rupture Panels M1, M2, and M3. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1062228.

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Sniezek, Frank M. Performance Oriented Packaging Report for Tile, Armor, M1 and M2. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada258493.

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Kirshteyn, Dmitry. Performance Oriented Packaging Testing for M218, M219, M220 Prop Charge Containers. Packed 672 Per Fiberboard Box in Accordance with DWG. 9313721. Defense Technical Information Center, 1991. http://dx.doi.org/10.21236/ada243646.

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Di Lemma, Fidelma Giulia, Jan-Fong Jue, Chad W. Brizzee, and Tammy L. Trowbridge. MP1 Intermediate Characterization Report Summary. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1498264.

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Tatom, John A. The Effects of Financial Innovations on the Measurement, Control and Efficacy of the M1 and M2 Aggregates. Federal Reserve Bank of St. Louis, 1989. http://dx.doi.org/10.20955/wp.1989.008.

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Lu, Rongxing. Secure Data Aggregation Protocol for M2M Communications. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada627065.

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Solberg, Jason B. M621 Plastic Container Performance Oriented Packaging (POP) Test. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada262948.

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Avalle, C. A. Results of W-87/Mk21 Deployment Separation Shock Tests. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/792423.

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