Relevant bibliographies by topics / Micronic

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Micronic'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Micronic"

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Bossis, G., C. Mathis, Z. Mimouni, and C. Paparoditis. "Magnetoviscosity of Micronic Suspensions." Europhysics Letters (EPL) 11, no. 2 (January 15, 1990): 133–37. http://dx.doi.org/10.1209/0295-5075/11/2/007.

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Montanaro, Laura, and Paola Palmero. "Advances in the Field of Nanostructured Ceramic Composites." Ceramics 2, no. 2 (April 15, 2019): 296–97. http://dx.doi.org/10.3390/ceramics2020024.

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In recent years, the production of ceramic composites having nanosized features is receiving increasing attention, as they demonstrated enhanced mechanical and/or functional performances as respect to conventional micronic materials [...]
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Uzu, G., S. Sobanska, Y. Aliouane, P. Pradere, and C. Dumat. "Study of lead phytoavailability for atmospheric industrial micronic and sub-micronic particles in relation with lead speciation." Environmental Pollution 157, no. 4 (April 2009): 1178–85. http://dx.doi.org/10.1016/j.envpol.2008.09.053.

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Alavi, Shila, and Brigitte Caussat. "Experimental study on fluidization of micronic powders." Powder Technology 157, no. 1-3 (September 2005): 114–20. http://dx.doi.org/10.1016/j.powtec.2005.05.017.

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Emberlin, J. "Plant allergens on pauci-micronic airborne particles." Clinical Experimental Allergy 25, no. 3 (March 1995): 202–5. http://dx.doi.org/10.1111/j.1365-2222.1995.tb01029.x.

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Chanal, O., B. Baguenard, O. Béthoux, and B. Chabaud. "Micronic-size cryogenic thermometer for turbulence measurements." Review of Scientific Instruments 68, no. 6 (June 1997): 2442–46. http://dx.doi.org/10.1063/1.1148130.

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Zoaeter, M., B. Beydoun, M. Hajjar, M. Debs, and J.-P. Charles. "Analysis and Simulation of Functional Stress Degradation on VDOMS Power Transistors." Active and Passive Electronic Components 25, no. 3 (2002): 215–23. http://dx.doi.org/10.1080/08827510213500.

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The use of VDMOS transistor under certain functional stress conditions produces a modification of its physical and electrical properties. This paper explores the physical analysis and SPICE simulation of the degradation effects related to the component micronic structure, and points out the degraded parameters following this stress.
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Reverchon, Ernesto, and Giovanna Della Porta. "Supercritical fluids-assisted micronization techniques. Low-impact routes for particle production." Pure and Applied Chemistry 73, no. 8 (August 1, 2001): 1293–97. http://dx.doi.org/10.1351/pac200173081293.

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Micronized powders are of interest in many industrial fields; pharmaceuticals, catalysts, pigments, and biopolymers, for example, are some categories of products that can be used as micro-sized particles. Traditional techniques used to produce micronic powders are based on high-temperature reactions that require high energies, on jet milling that is characterized by low efficiencies and mechanical stress, and on liquid solvents precipitation that has a poor control on particle size and can pollute the product. Generally, the control of the powder size and the span of its distribution are still very approximate.In the last few years, several supercritical fluids-based techniques have been proposed for the production of micronic and nanometric particles. These processes try to take advantage of some specific properties of gases at supercritical conditions such as enhanced solubilization power and its modulation, large diffusivities, solventless or organic solvent reduced operation, and the connected possibility of controlling powder size and distribution. Techniques like the rapid expansion of supercritical solutions (RESS), supercritical antisolvent precipitation (SAS), particle generation from gas-saturated solutions (PGSS), and new atomization processes have been critically reviewed in this work.
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Nutz, M., G. Furdin, G. Medjahdi, J. F. Marêché, and M. Moreau. "Rheological properties of coal tar pitches containing micronic graphite powders." Carbon 35, no. 7 (1997): 1023–29. http://dx.doi.org/10.1016/s0008-6223(97)00066-3.

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Spieksma, F. Th M., J. A. Kramps, A. Plomp, and H. K. Koerten. "Grass-pollen allergen carried by the smaller micronic aerosol fraction." Grana 30, no. 1 (January 1991): 98–101. http://dx.doi.org/10.1080/00173139109427779.

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Dissertations / Theses on the topic "Micronic"

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Kraft, Steven. "The Characterization of the Effects of Stress Concentrations on the Mechanical Behavior of a Micronic Woven Wire Mesh." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5655.

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Woven structures are steadily emerging as excellent reinforcing components in dual-phase composite materials subjected to multiaxial loads, thermal shock, and aggressive reactants in the environment. Metallic woven wire mesh materials display good ductility and relatively high specific strength and specific resilience. While use of this class of materials is rapidly expanding, significant gaps in mechanical behavior classification remain. This thesis works to address the mechanics of material knowledge gap that exists for characterizing the behavior of a metallic woven structure, composed of stainless steel wires on the order of 25 microns in diameter, and subjected to various loading conditions and stress risers. Uniaxial and biaxial tensile experiments, employing Digital Image Correlation (DIC) as a strain measurement tool, are conducted on woven wire mesh specimens incised in various material orientations, and with various notch geometries. Experimental results, supported by an ample analytic modeling effort, indicate that an orthotropic elastic constitutive model is reasonably capable of governing the macro-scale elasticity of the subject material. Also, the Stress Concentration Factor (SCF) associated with various notch geometries is documented experimentally and analytically, and it is shown that the degree of stress concentration is dependent on both notch and material orientation. The Finite Element Method (FEM) is employed on the macro-scale to expand the experimental test matrix, and to judge the effects of a homogenization assumption when modeling metallic woven structures. Additionally, plasticity of the stainless steel woven wire mesh is considered through experimental determination of the yield surface, and a thorough analytic modeling effort resulting in a modified form of the Hill yield criterion. Finally, meso-scale plasticity of the woven structure is considered, and the form of a multi-scale failure criterion is proposed and exercised numerically.
M.S.M.E.
Masters
Mechanical and Aerospace Engineering
Engineering and Computer Science
Mechanical Engineering; Mechanical Systems
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Johansson, Christian, and Marcus Karlsson. "Characterisation of a data transmission link." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2359.

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This report is the result of a Master Thesis work that has been performed between October 2003 and March 2004. The purpose of the work was to evaluate a part of the signal chain in a product of Micronic Laser Systems AB. The evaluation was performed to obtain the characterisation for the signal chain, such as impedances and crosstalk.

The work started with a literature study in order to refresh and increase the knowledge that was needed before the practical work. Then measurements, computer aided simulations and comparisons between these were performed.

Measurements were performed using TDR (Time Domain Reflectometry). The results showed the impedance levels along the signal chain. This was interesting since it showed how well the different parts in the system are matched. Unmatched parts result in reflections that disturb the transmitted signal and contribute to crosstalk, which also was measured.

Simulations were done using ADS (Advance Design System), a tool from Agilent Technologies Inc. A substantial part of the simulation work was to build models of the real system. These models have been used for simulation. The simulation results were then compared to the measurement results.

The results show that the system can be better matched concerning the channel impedance. There are large variations in impedance levels along the signal chain, resulting in signal reflections. Another effect studied is crosstalk between channels. Measurements and simulations showed the presence of crosstalk but it seems to be a minor problem in the current machine.

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Kempe, Marcus, and Carl Åbjörnsson. "Navigation, Visualisation and Editing of Very Large 2D Graphics Scenes." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2684.

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The project has been carried out at, and in association with, Micronic Laser Systems AB in Täby, Sweden. Micronic Laser Systems, manufacture laser pattern generators for the semiconductor and display markets. Laser pattern generators are used to create photomasks, which are a key component in the microlithographic process of manufacturing microchips and displays.

An essential problem to all modern semiconductor manufacturing is the constantly decreasing sizes of features and increasing use of resolution enhancement techniques (RET), leading to ever growing sizes of datasets describing the semiconductors. When sizes of datasets reach magnitudes of hundreds of gigabytes, visualisation, navigation and editing of any such dataset becomes extremely difficult. As of today this problem has no satisfying solution.

The project aims at the proposal of a geometry engine that effectively can deal with the evergrowing sizes of modern semiconductor lithography. This involves a new approach to handling data, a new format for spatial description of the datasets, hardware accelerated rendering and support for multiprocessor and distributed systems. The project has been executed without implying changes to existing data formats and the resulting application is executable on Micronics currently existing hardware platforms.

The performance of the new viewer system surpasses any old implementation by a varying factor. If rendering speed is the comparative factor, the new system is about 10-20 times faster than its old counterparts. In some cases, when hard disk access speed is the limiting factor, the new implementation is only slightly faster or as fast. And finally, spatial indexing allow some operations that previously lasted several hours, to complete in a few seconds, by eliminating all unnecessary disk-reading operations.

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BLOCH, KARINE. "Contribution a l'etude des clusters de malformations : analyse d'un pic d'incidence d'anotie/microtie observe dans la region rhone-alpes en 1987 : travail realise dans le cadre de l'institut des genomutations." Lyon 1, 1989. http://www.theses.fr/1989LYO1M418.

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Paccola, Elaine Cristina Moreto. "Sistema de frequência modulada e malformação de orelha: benefício e efeito do uso no ambiente educacional." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/25/25143/tde-24012019-085000/.

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As malformações congênitas de orelha causam dificuldades auditivas, interferindo no desenvolvimento das habilidades de fala e linguagem e, consequentemente, prejudicando o desenvolvimento social, emocional, cognitivo e acadêmico da criança. Para minimizar estas dificuldades, o aparelho de amplificação sonora individual (AASI) por condução óssea é indicado. Com a possibilidade de adaptação do sistema de frequência modulada (FM) pelo SUS, de acordo com a portaria n° 1.274 do Ministério da Saúde, de 25 de junho de 2013, o objetivo deste trabalho foi avaliar o benefício deste dispositivo em crianças e adolescentes com malformação de orelha externa e/ou média, usuários de AASI por condução óssea, sob a ótica dos próprios usuários, seus pais e professores. Participaram da pesquisa vinte e quatro crianças e adolescentes, doze pais ou responsáveis e doze professores. Foram utilizados os instrumentos: Listas de Sentenças em Português, para avaliar a percepção de fala no ruído e Classroom Participation Questionnaire (CPQ), para a auto avaliação da participação em sala de aula (usuários); Questionário Avaliação do Sistema FM, para avaliar o desempenho em diferentes situações auditivas (pais) e Screening Instrument For Targeting Educational Risk in Secondary Students (SIFTER), para a avaliação do desempenho acadêmico (professor). Todas as avaliações foram realizadas nas condições com e sem o sistema de FM e para a comparação dos resultados foi utilizado o teste t pareado. Em todos os procedimentos estatísticos foi adotado nível de significância de 5% (p<0,05). Foi observada diferença significante com o uso do sistema de FM para todos os aspectos avaliados, evidenciando o benefício da adaptação deste dispositivo para esta população.
Congenital ear malformations cause hearing impairment, interfering with speech and language development, and, consequently, impairing the social, emotional, cognitive and academic development of the child. Bone conduction hearing aids are indicated to minimize these difficulties. With the possibility of fitting the FM System by the Brazilian Health Public System, according to the ordinance no. 1,274 from the Ministry of Health, dated June 25, 2013, this study aimed to evaluate the benefit of the FM System in children and adolescents with external ear and/or middle ear malformation, users of bone conduction hearing aids, through the perspective of the users, their parents and teachers. Twenty-four children and adolescents, twelve parents or guardians, and twelve teachers participated in this study. The instruments used were: Sentence Lists in Brazilian Portuguese, to evaluate speech perception in noise, and Classroom Participation Questionnaire (CPQ), for self-assessment of classroom participation (users); FM System Evaluation Questionnaire, to evaluate performance in different auditory situations (parents); and Screening Instrument for Targeting Educational Risk in Secondary Students (SIFTER), to evaluate academic performance (teachers). All evaluations were performed with and without the FM System, and the paired t-test was used to compare the results. A significance level of 5% was adopted (p<0.05) in all statistical tests. A significant difference was observed with the use of the FM system in all aspects evaluated, demonstrating the benefit of fitting this device in this population.
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O'Brien, Graham James. "Molecular analysis of microcin 24 : Genetics, secretion and mode of action of a novel microcin." Thesis, University of Canterbury. Plant and Microbial Sciences, 1996. http://hdl.handle.net/10092/6808.

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Colicins and microcins are proteinaceous antimicrobial agents produced by members of the Enterobacteriaceae which are active against other members of this family. Colicin24 is a novel bacteriocin produced by a uropathogenic strain of Escherichia coli isolated at Christchurch Hospital. Through detailed genetic analysis of the DNA encoding this toxin and assaying the toxic activity, colicin 24 was re-classified as microcin 24 and has been shown to have a similar genetic organisation to that of colicin V and a novel mode of activity. The region of DNA encoding microcin 24 was subcloned from pGOB34 into pBR322 generating pGOB18 (5.44kb). Mutagenesis, DNA sequencing and transcomplementation identified two regions with high sequence similarity and functional homology to the ColV transporters CvaA and CvaB. The insert DNA of pGOB18 was sequenced in both directions and has been found to contain 5267bp encoding five open reading frames, mdbA, mtft, mtfS, mtfA and mtfB, forming three operons mdbA, mtfI/mtfS and mtfA/mtfB all of which were transcribed in the same direction. The predicted protein products of all the open reading frames except mtfB were confirmed by expressing the genes in minicells. Further mutagenesis and trans-complementation has identified mdbA as a cis acting positive regulatory gene with sequence similarity to the histone-like proteins. The mtfI and mtfS genes were confirmed as the Mcc24 immunity gene and the Mcc24 structural gene respectively. The genes mtfA and mtfB were found to encode the transport proteins homologous to CvaA and CvaB respectively, with mtfB encoding a protein which is a member of the ABC family of bacterial transporters. Transport also requires the TolC outer membrane protein. Analysis of the mtfS DNA sequence has identified a double glycine leader sequence, making MtfS the second microcin after ColV to belong to this class of peptide antibiotics. Experimental evidence suggested that unlike ColV, Mcc24 is inactive within the producing cell, however both toxins require the ABC transporter for post-translational modification of the pre-peptide. The regulation of Mcc24 synthesis is controlled by the interaction between σs, Fur, and MdbA, encoded by the mdbA gene. Analysis of the promoter sequences has identified putative regions of DNA bending which might facilitate the binding of σs and MdbA. A Fur-box with good sequence similarity to the consensus Fur-box has been identified in the mtfI/mtfS promoter and is the proposed site for Fur binding. The activity spectrum of Mcc24 is restricted to enteric bacteria and SernA, the MccE492 receptor, is also required as the receptor for Mcc24. Extracts of Mcc24 have been found to degrade both linearised and covalently closed circular DNA in vitro. The activity is absent in extracts from mtfS - strains, suggesting that Mcc24 inhibits the growth of sensitive cells by degrading DNA. The effect of Mcc24 expression on the virulence of E. coli was tested using the embryo lethality assay, however unlike ColV which increases the virulence of strains, the expression of Mcc24 did not appear to have a significant effect on E. coli virulence in this system.
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Stambazzi, Fabio. "Biosintesi di carotenoidi di origine microbica." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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L'interesse per i carotenoidi è aumentato considerevolmente, principalmente a causa: dei benefici per la salute umana, gli integratori alimentari, l'industria alimentare (coloranti) e prodotti farmaceutici. La produzione di carotenoidi attraverso la sintesi chimica o l'estrazione dalle piante, è limitata da basse rese che si traducono in alti costi di produzione. Inoltre, alcuni dei sottoprodotti derivanti da tali processi chimici, possono avere effetti collaterali indesiderati sul consumo. Questo porta alla ricerca della produzione microbica di carotenoidi (sintesi microbica), come alternativa che ha mostrato rendimenti migliori. In questo lavoro, sono state raccolte e analizzate le evidenze scientifiche più recenti nell’ambito della biosintesi dei carotenoidi da parte dei microrganismi, anche al fine di valutare il potenziale della ricerca biotecnologica in tale ambito. La produzione biotecnologica offre vantaggi economici, rispetto ai carotenoidi vegetali sintetici o estratti, grazie all'uso di substrati a basso costo (rifiuti agroindustriali) ed è più sicura ed efficiente rispetto ai metodi tradizionali. Molti microrganismi, soprattutto i lieviti come Rhodotorula spp, Xanthophyllomyces dendrorhous, Sacharomyces cerevisiae e Candida utilis o funghi appartenenti alle specie Blakeslea trispora e Phycomyces blakesleeanus, hanno dimostrato di essere produttori di grandi quantità di carotenoidi e hanno mostrato un'importante capacità di crescita nei rifiuti agroindustriali. La tecnologia moderna, come l'uso del DNA ricombinante, unita all'isolamento di alcuni dei geni vitali coinvolti nella biosintesi dei carotenoidi, hanno incoraggiato la ricerca sulla produzione dei carotenoidi. Nell’ambito dei batteri, sono stati studiate alcune specie che si sono rivelate particolarmente promettenti nell’ambito del genere Stafilococcus e Lactobacillus plantarum tra i batteri lattici. La produzione microbica di carotenoidi ha un notevole potenziale di mercato e industriale.
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Chodosovskaja, Ala. "Mikrobinė metalų korozija natūralią aplinką imituojančiomis sąlygomis." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050613_185604-32321.

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Corrosion behaviour of Al, Zn, Cu and steel samples under the conditions of constant temperature and humidity were performed in the media containing the following microorganisms. Bacillus mycoides, Aspergillus fumigatus Aspergillus niger, Cladosporium herbarum, Penicillium frequentans. The influence of metal surface morphology on the vitality of microorganisms was investigated, as well as the proceeding of microbial corrosion was under the study. The real surface area of Cu electrode was determined by means of electrochemical techniques, while the method for comparison of surface areas of other metals was proposed and this method was based on atomic force microscope measurements. It was determined that the metal nature and morphology influenced the vitality of microorganisms. The results of electrochemical impedanse spectroscopy enabledus to evaluate the corrosion behaviour of metals. The results were found to indicate the corrosion inhibition for Al, steel and Cu, however, the effect depended on the metal surface morphology and exposure time.
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DOMINGOS, E. "Desenvolvimento de Novos Métodos Analíticos em Química Forense e Petroleômica por Espectrometria de Massas Ambiente (Paper Spray) e Espectroscopia Portátil na Região do Infravermelho Próximo (MICRONIR)." Universidade Federal do Espírito Santo, 2017. http://repositorio.ufes.br/handle/10/7360.

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Made available in DSpace on 2018-08-01T21:58:59Z (GMT). No. of bitstreams: 1 tese_11518_Tese_eloilson_Domingos_VERSÃO IMPRESSÃO.pdf: 3568693 bytes, checksum: cd4564d6013c45b3ddc32e2ccd0a7957 (MD5) Previous issue date: 2017-11-30
Com o advento de uma nova família de técnicas de ionização, a espectrometria de massas (MS) ambiente foi introduzida como uma maneira simples de gerar íons na MS. Entre elas, a técnica de ionização por paper spray (PS) demonstrou-se versátil para resolver inúmeros problemas. Neste trabalho, a técnica de PS-MS no modo de ionização positiva (PS(+)-MS) foi aplicada em três subáreas da química forense: drogas de abuso e documentoscopia e ervas fitoterápicas. Na primeira, a técnica PS-(+)-MS determinou o perfil químico de drogas sintéticas tais como selos contendo 25I-NBOMe (2-(4-iodo-2,5-dimetoxifenil)-n-[(2-Metoxifenil) metil] etamina), extratos e folhas de canabinóides naturais (Δ9-THC) e canabinóides sintéticos (JWH-073; 5F-AKB48; JWH-122; JWH-250; e JWH-210). Em todos os casos, as moléculas foram facilmente detectadas na sua forma protonada ([M+H]+) com resolução, m/Δm50% = 67,000 e uma precisão de massa menor que <2 ppm. O desempenho da técnica PS(+)-MS foi comparado com o de outras fontes de ionização: leaf Spray (LS-MS) e eletrospray (ESI-MS). Além disso, um método foi desenvolvido para quantificar uma série de drogas ilícitas (de 1 a 110 𝜇g L-1, com linearidade de R2> 0,99). Em documentoscopia, a técnica PS(+)-MS foi capaz de obter com sucesso o perfil químico de diferentes canetas vendidas no comercio. A intensidade relativa (RII372) do corante azul de metileno foi monitorada para discriminar os cruzamentos de traços de canetas e, até a data, os documentos questionados. O perfil químico das notas brasileiras de segunda geração de R$ 100,00 (reais) também foi explorado. A técnica PS(+)-MS foi capaz de classificar as notas em autêntico ou falsificadas. Constatando que amostras falsas possuem um perfil químico similar às notas caseiras da impressora Deskjet®. Finalmente, aplicamos PS(+)-MS para verificar a autenticidade de ervas usadas para perda de peso. Quinze diferentes medicamentos à base destas ervas foram analisados por PS(+)-MS. Encontrando diferentes tipos de compostos: sibutramina (m/z 280), cafeína (m/z 195), glicose (m/z 203 [M+Na], m/z 219 [M+K] e sacarose (m/z 381 [M+K]). Todas essas substâncias não estavam listadas em seus rótulos. Em geral, a técnica PS(+)-MS mostrou ser uma excelente ferramenta analítica em química forense. O segundo estudo abordado foi o controle de qualidade de combustíveis com aplicação do micro-espectrômetro portátil na região do infravermelho próximo (MICRONIR). Neste trabalho, verificou-se a potencialidade do MICRONIR no controle da qualidade do combustível. Assim, modelos quimiométricos (usando o PLS - regressão por mínimos quadrados parciais) foram desenvolvidos para quantificar biodiesel em Diesel (LD=0,5 wt%; LQ=1,8 wt%, e RMSEP=1.8 wt%); enxofre em Diesel (LD=2,4 mg L-1; LQ=8,0 mg L-1, e RMSEP=13,2 mg L-1); gasolina, etanol e metanol em gasolina tipo C (LDgas=0,55 wt%; LQgas=1,84 wt%, e RMSEPgas=0,81 wt%; LDet=0,75 wt%; LQgas=2,50 wt%, e RMSEPeth=3,81 wt%; LDmet = 0,85 wt%; LQmet = 2,84 wt%, e RMSEPmet = 1,80 wt%); e água, metanol e etanol em etanol combustível hidratado (LDH2O = 0,04 wt%; LQH2O=1,29 wt%, e RMSEPH2O=1,05 wt%; LDmet= 0,52 wt%; LQmet = 1,73 wt%, e RMSEPmet =2,78wt %; LDet=1,22 wt%; LQet=4,07 wt%, e RMSEPet= 4,41 wt%). O método proposto apresentou alta precisão e exatidão em todos os casos, e os resultados mostraram que a técnica MICRONIR teve excelente desempenho no controle da qualidade do combustível.
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Debas, Hélène. "Émulsification en systèmes microstructurés." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL075N/document.

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Cette thèse, intitulée « Emulsification en systèmes microstructurés », s’inscrit au sein de la tâche « Emulsification contrôlée » du projet européen IMPULSE. Deux micromélangeurs en acier inoxydable, un V-type et un Caterpillar, ont été testés en utilisant un pilote d’émulsification continue. Ces dispositifs conçus en acier inoxydable et fonctionnant comme des boîtes noires, des micromélangeurs transparents ont ensuite été utilisés afin de comprendre leurs mécanismes d’émulsification. Les paramètres-clés intervenant dans la formation de gouttes à un orifice à l’échelle macroscopique ont dans un premier temps été identifiés. A l’échelle microscopique, la formation des gouttelettes dans le micromélangeur V-type est issue de la mise en contact des jets des phases aqueuse et organique formés à la sortie de ce dispositif et d’un phénomène élongationnel avec des instabilités interfaciales. Dans le cas du Caterpillar, la taille des gouttelettes dépend de la géométrie interne des éléments en série de ce micromélangeur. La formation des gouttelettes est issue d’un phénomène de cisaillement au niveau de la jonction en Y. La réduction de la taille de ces gouttelettes est ensuite due à leur passage dans les éléments de mélange. L’utilisation de micromélangeurs transparents a, quant à elle, permis de caractériser davantage ces deux micromélangeurs par micro-PIV et caméra rapide. Enfin, une dépendance du diamètre des gouttelettes par rapport à l’énergie dissipée est constatée pour le Caterpillar mais par pour le V-type. L’énergie dissipée dans ces deux micromélangeurs semble être moindre et les émulsions formées de meilleure qualité par rapport aux procédés classiques d’émulsification
This thesis, entitled “Emulsification in micromixers” was carried out within the framework of the Task “Controlled Emulsification” of the European IMPULSE project. Two micromixers in stainless steel, the V-type and the Caterpillar, were tested in an experimental setup. These microdevices working as black boxes, transparent micromixers were used after to gain insight into the fundamental mechanisms for emulsification. Firstly, the key parameters enabling the drop formation at macroscopic scale were identified. At microscopic scale, the droplet formation in the V-type micromixer results from the contact of aqueous and organic phases jets at the outlet of the microdevice and from elongational phenomena with interfacial instabilities. In the case of the Caterpillar, the droplets size depends on the internal geometry of the microdevice. The droplet formation can be mainly attributed to the shearing phenomena at the Y-junction. The decrease of the droplets’ size is then due to their passage through the mixing elements in series in the outlet channel. Moreover, the use of transparent micromixers allows to characterize these two micromixers by the micro-PIV and high speed camera. A straightforward relationship between the energy dissipation and the size of droplets was established for the Caterpillar, but not for the V-type. Moreover, the energy dissipation within these two micromixers is lower and the emulsions obtained having a more satisfactory quality than in the case of the classical emulsification processes
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Books on the topic "Micronic"

1

Symposium, B. on New Materials Physics and Technologies for Micronic Integrated Sensors (1991 Strasbourg France). Micronic integrated sensors. Amsterdam: North-Holland, 1992.

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Symposium B on New Materials, Physics, and Technologies for Micronic Integrated Sensors (1991 Strasbourg, France). Micronic integrated sensors: Proceedings of Symposium B on New Materials, Physics, and Technologies for Micronic Integrated Sensors of the 1991 E-MRS Spring Conference, Strasbourg, France, May 28-30, 1991. Amsterdam: North-Holland, 1992.

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Gómez, Fernando. Microbio. Bogotá: Planeta, 2010.

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International, Austria Mikro Systeme. 2.0-Micron,1.2-Micron,1.0-Micron and 0.8-Micron standard handbook. [Austria]: Austria Mikro Systeme International, 1996.

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International, Austria Mikro Systeme. 2.0-micron, 1.2-micron, 1.0-micron and 0.8-micron standard cell databook. Unterpremstätten: Austria Mikro Systeme International, 1995.

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Reinisch, John F., and Youssef Tahiri, eds. Modern Microtia Reconstruction. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16387-7.

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International, Austria Mikro Systeme. 2-micron, 1.2-micron and 1-micron standard cell databook. Unterpremstätten: Austria MikroSysteme International, 1992.

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Read, Gardner. 20th-century microtonal notation. New York: Greenwood Press, 1990.

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W, Goody Roy, ed. MicroSim PSpice for Windows. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1998.

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Herniter, Marc E. Schematic capture with MicroSim PSpice. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 1998.

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Book chapters on the topic "Micronic"

1

Lepoutre, F., S. Bouchoule, G. Bäckström, and D. Balageas. "Heat Diffusion at a Micronic Scale." In Photoacoustic and Photothermal Phenomena III, 664–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-540-47269-8_169.

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Deschacht, D., and E. Vanier. "Accurate Modeling of Interconnects for Timing Simulation of Sub-Micronic Circuits." In Signal Propagation on Interconnects, 13–21. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-6512-0_2.

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Avelar, Juarez M. "Microtia." In Ear Reconstruction, 65–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35683-4_6.

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Derderian, Christopher A. "Microtia." In Modern Microtia Reconstruction, 23–41. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16387-7_3.

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Avelar, Juarez M. "Moderate Microtia." In Ear Reconstruction, 79–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35683-4_7.

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Janom, Hamed, Salim C. Saba, Ann R. Schwentker, and John A. van Aalst. "Microtia Reconstruction." In Operative Dictations in Plastic and Reconstructive Surgery, 247–56. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40631-2_58.

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Gooch, Jan W. "Micron." In Encyclopedic Dictionary of Polymers, 462. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_7480.

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Weik, Martin H. "micron." In Computer Science and Communications Dictionary, 1015. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_11502.

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Wes, Ari M., and Jesse A. Taylor. "Anatomy and Anthropometry of the Ear." In Modern Microtia Reconstruction, 1–11. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16387-7_1.

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Roberson, Joseph B. "Combined Atresia Microtia (CAM) Repair: A New Method of Reconstruction of Form and Function in Congenital Aural Atresia and Microtia." In Modern Microtia Reconstruction, 167–89. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16387-7_10.

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Conference papers on the topic "Micronic"

1

Buck, Peter D., Mans Bjuggren, Hartmut Buenning, Vishal Garg, Johan Larsson, and Tomas Vikholm. "Integration of the Micronic Omega6500 into the mask manufacturing environment." In Photomask Technology, edited by Brian J. Grenon and Giang T. Dao. SPIE, 2001. http://dx.doi.org/10.1117/12.410726.

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Jaffrès, Henri, Yves LeMaitre, Sophie Collin, Frédéric Nguyen Vandau, Natalia Sergeeva-Chollet, and Jean-Marc Decitre. "Development of micronic GMR-magnetoresistive sensors for non-destructive sensing applications (Presentation Recording)." In SPIE Nanoscience + Engineering, edited by Henri-Jean Drouhin, Jean-Eric Wegrowe, and Manijeh Razeghi. SPIE, 2015. http://dx.doi.org/10.1117/12.2187451.

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Thiery, Laurent, and Jean-Pierre Prenel. "Micronic intensity analysis and imaging in laser optics by means of micro-thermoelectrical sensors." In Lasers, Optics, and Vision for Productivity in Manufacturing I, edited by Christophe Gorecki. SPIE, 1996. http://dx.doi.org/10.1117/12.250738.

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Wane, Sidina, and Damienne Bajon. "Characterisation and macro-modeling of patterned micronic and nano-scale dummy metal-fills in integrated circuits." In 2009 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE, 2009. http://dx.doi.org/10.1109/rfic.2009.5135515.

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Gotz, A., C. Cane, and E. Lora-Tamayo. "Specific Problems of FEM Thermal Simulations for Microsystems." In MICROSIM 1995. Southampton UK: WIT Press, 1995. http://dx.doi.org/10.2495/mic950171.

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Ketteridge, P., P. Budni, I. Lee, P. Schunemann, and T. Pollak. "8 micron ZGP OPO pumped at 2 microns." In Advanced Solid State Lasers. Washington, D.C.: OSA, 1996. http://dx.doi.org/10.1364/assl.1996.op8.

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Reuge, Nicolas, Pascal Fede, Jean-François Berthoumieu, Florian Foucoin, and Olivier Simonin. "1-D Modeling of the Denebulization of Fogs by Hygroscopic Seeding." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-30188.

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The purpose of the study is the modeling of the denebulization of fogs by micronic hygroscopic particles from the initial seeding to the fall of the rain droplets on the ground. The microparticles generated by flares are made of hygroscopic salts. Three stages occur: first, the condensation of water vapor on solid particles, this is the deliquescent stage which is very fast and can be ignored by the model, then the stage of condensation of water vapor on liquid salted particles / evaporation of fog droplets and finally the coalescence stage when the liquid salted particles diameter become large enough. Three different salts have been tested: NaCl, CaCl2 and KCl. The 1-D modeling approach studied considers the conservation equations (salt mass, water mass, salted droplets number density, fog droplets number density), the hygroscopicity of the salts through the water activity in the aqueous solution and the coalescence induced by gravity. The model reveals that NaCl is the most efficient salt because of its stronger hygroscopicity at high dilution rates although CaCl2 is the more hygroscopic at low dilution rates. A cloud of NaCl particles of 9 μm diameter initially generated over a height of about 7 m with a number density of 12 cm−3 allows to completely dissipates a typical fog layer of 40 m within less than 13 mn. This means that 10 kg of NaCl particles could be able to clear such a fog over 13.25 ha. The model shows that a layer of 100 m can be cleared within 29 mn. From the calculations, the contribution of the coalescence to the denebulization process is less than 1%, phenomena of condensation / evaporation are preponderant for these operating conditions.
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Petrov, D. V., A. A. Savushkin, and E. A. Zhuzhulina. "10-micron emission feature of nonspherical olivine particles." In Всероссийская с международным участием научная конференция студентов и молодых ученых, посвященная памяти Полины Евгеньевны Захаровой «Астрономия и исследование космического пространства». Ural University Press, 2021. http://dx.doi.org/10.15826/b978-5-7996-3229-8.37.

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Many astronomical objects, from comets to circumstellar disks, contain silicate particles. The spectrum of silicates has a set of emission features, the most characteristic of which is in the spectral range of about 10 microns, and is called a 10-micron emission feature. The 10-micron emission feature is often studied under the assumption that the scattering particles are spherical. In this work, we investigated the contribution of nonspherical particles (elongated and oblate spheroids) of olivine to the 10-micron emission feature. It is shown that enough large non-spherical particles (whose size more than 20 microns) cause a noticeable increasing of scattering cross section Csca in comparison with spheres. Thus, the observed 10-micron emission feature of large particles can be explained by the non-sphericity of the scattering particles.
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Lee, Sang-Joon John, Raymond K. Yee, Reginald Kelley, Roy Martin, Alain Sadaka, and Tai-Ran Hsu. "A Monolithic Micro Four-Bar Mechanism With Flexure Hinges." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-62263.

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A monolithic micro four-bar mechanism was fabricated in silicon to examine motion amplification as well as the effect of non-ideal geometric profiles in its flexure hinges. Through-wafer deep reactive ion etching (DRIE) was used to produce high-aspect-ratio flexure joints that allow compliant motion within the plane of a silicon wafer. The flexures were approximately 20 microns wide and 530 microns deep, micromachined through the entire wafer thickness. A taper angle of approximately 0.5 degree narrowing toward the bottom of the wafer was measured in the flexure cross section. A finite element model was developed to predict the output rotation of one link in response to the displacement applied at the drive link. For a 1-micron linear input, the model predicted a 0.39-degree angular displacement for the output link. This showed close agreement with experimental data that measured 0.41 degree. An enhanced finite element model that accounted for the tapered cross-section, however, predicted a slightly smaller input/output relation of 0.37 degree per micron.
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Colgan, E. G., B. Furman, M. Gaynes, N. LaBianca, J. H. Magerlein, R. Polastre, R. Bezama, K. Marston, and R. Schmidt. "High Performance and Sub-Ambient Silicon Microchannel Cooling." In ASME 4th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2006. http://dx.doi.org/10.1115/icnmm2006-96094.

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High performance single-phase Si microchannel coolers have been designed and characterized in single chip modules in a laboratory environment using either water at 22°C or a fluorinated fluid at temperatures between 20 and −40°C as the coolant. Compared to our previous work, key performance improvements were achieved through reduced channel pitch (from 75 to 60 microns), thinned channel bases (from 425 to 200 microns of Si), improved thermal interface materials, and a thinned thermal test chip (from 725 to 400 microns of Si). With multiple heat exchanger zones and 60 micron pitch microchannels with a water flow rate of 1.25 lpm, an average unit thermal resistance of 15.9 C-mm2/W between the chip surface and the inlet cooling water was demonstrated for a Si microchannel cooler attached to a chip with Ag epoxy. Replacing the Ag epoxy layer with an In solder layer reduced the unit thermal resistance to 12.0 C-mm2/W. Using a fluorinated fluid with an inlet temperature of −30°C and 60 micron pitch microchannels with an Ag epoxy thermal interface layer, the average unit thermal resistance was 25.6 C-mm2/W. This fell to 22.6 C-mm2/W with an In thermal interface layer. Cooling >500 W/cm2 was demonstrated with water. Using a fluorinated fluid with an inlet temperature of −30°C, a chip with a power density of 270 W/cm2 was cooled to an average chip surface temperature of 35°C. Results using both water and a fluorinated fluid are presented for a range of Si microchannel designs with a channel pitch from 60 to 100 microns.
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Reports on the topic "Micronic"

1

Thomas, R. Characterization of Microporous Insulation, Microsil. Office of Scientific and Technical Information (OSTI), June 2017. http://dx.doi.org/10.2172/1366929.

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Volponi, Joanne V., and Andrew William Walker. A microBio reactor for hydrogen production. Office of Scientific and Technical Information (OSTI), December 2003. http://dx.doi.org/10.2172/918235.

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Arnold, James L., Stephen F. Carlton, Shawn M. Rovansek, and John W. Taylor. Micronyx, Inc. Triad Plus, Version 1.3. Fort Belvoir, VA: Defense Technical Information Center, August 1987. http://dx.doi.org/10.21236/ada208002.

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Westall, J. M., A. W. Madison, Bapiraju Buddhavarapu, and Sudhir Moolky. MicroCIM: An Architectural and Owner's Manual. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada299248.

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Acharekar, M. A., and J. Montgomery. 4.5 Micron Laser Source. Fort Belvoir, VA: Defense Technical Information Center, June 1992. http://dx.doi.org/10.21236/ada253367.

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Sarobol, Pylin, Michael E. Chandross, Jay Carroll, William Mook, Brad Boyce, Paul Gabriel Kotula, Bonnie Beth McKenzie, Daniel Charles Bufford, and Aaron Christopher Hall. Deformation Behavior of Sub-micron and Micron Sized Alumina Particles in Compression. Office of Scientific and Technical Information (OSTI), September 2014. http://dx.doi.org/10.2172/1159119.

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Cutler, Alan R. Transition Organometallic Heterobimettalic Microns-Carbon Dioxide and Microns-Format Complexes in Homogeneous Carbon Dioxide Fixation. Fort Belvoir, VA: Defense Technical Information Center, August 1992. http://dx.doi.org/10.21236/ada254538.

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Clawson, Deborah M., Michael J. Oehler, and Shawn M. Rovansek. Final Evaluation Report of Micronyx Incorporated: TRISPAN. Fort Belvoir, VA: Defense Technical Information Center, September 1989. http://dx.doi.org/10.21236/ada235183.

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SCHWARTZ ELECTRO-OPTICS INC ORLANDO FL. One Micron Laser Doppler Radar. Fort Belvoir, VA: Defense Technical Information Center, February 1989. http://dx.doi.org/10.21236/ada207891.

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Schepler, Kenneth L., and Brian D. Smith. Passively Mode-Locked 2 Micron Laser. Fort Belvoir, VA: Defense Technical Information Center, March 1995. http://dx.doi.org/10.21236/ada297613.

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