Bibliografie tematiche / Suppression de la graisse

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Letteratura scientifica selezionata sul tema "Suppression de la graisse"

Autore: Grafiati
Pubblicato: 15 febbraio 2025

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Articoli di riviste sul tema "Suppression de la graisse"

1

Gosset, J., G. Vanhedeggem, M. Dehu e N. Gosset. "CV3 Apport de l’hypersignal en ponderation T2 avec suppression de graisse dans les myocardites". Journal de Radiologie 85, n. 9 (settembre 2004): 1484. http://dx.doi.org/10.1016/s0221-0363(04)77576-9.

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2

Bisseret, D., A. Khalil, P. Favrole, M. F. Carette e B. Marro. "Dissection spontanée des artères cervicales : apport d’une séquence volumique en EST1 avec suppression de la graisse". Journal de Radiologie Diagnostique et Interventionnelle 95, n. 4 (aprile 2014): 447–50. http://dx.doi.org/10.1016/j.jradio.2013.08.010.

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3

Héran, F., e R. Deschamps. "NR55 Myeloirm cervicale et sequence T2 avec suppression de graisse dans l’etude des complications rachidiennes des hypotensions intracraniennes (hypoIC)". Journal de Radiologie 86, n. 10 (ottobre 2005): 1516. http://dx.doi.org/10.1016/s0221-0363(05)76110-2.

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4

Gulyas, B., G. A. Orban, J. Duysens e H. Maes. "The suppressive influence of moving textured backgrounds on responses of cat striate neurons to moving bars". Journal of Neurophysiology 57, n. 6 (1 giugno 1987): 1767–91. http://dx.doi.org/10.1152/jn.1987.57.6.1767.

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Abstract (sommario):
The suppressive action of a moving textured background on responses to moving bars was investigated in 118 striate neurons, 19 dorsal lateral geniculate neurons, and 5 perigeniculate neurons in paralyzed and anesthetized cats. In standard conditions the background was a two-dimensional (2D) noise pattern, the bar moved at optimal speed, and its contrast level was adjusted to yield 50% of the maximum response. Neuronal responses to the moving bar were suppressed when the background moved at the same speed or faster than the bar. The direction of motion of the bar had little influence. This suppressive effect was equally strong in all three experimental samples. The suppressive effect of the moving background was uniformly distributed among the cortical population, being equally strong in all layers, in all parts of the visual field representation, and for different categories of cortical cells. The suppressive effect of the moving background depended little on the structure of the background or on the speed of the bar. The suppression increased with decreasing contrast of the bar. Many (80%) cortical cells and all geniculate neurons responded to the movement of the 2D noise on its own. Most of these cells responded to isolated features (“grains”) in the pattern rather than to movement of the whole pattern. There was no difference in strength of suppression between cortical neurons responsive and unresponsive to the moving 2D noise. The possible origins of this suppressive influence of moving backgrounds and its significance for the processing of visual scenes, more complicated than a single stimulus, are discussed.
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5

Lin, Shenghuang, Zhiming Chen, Peng Liang, Yintu Ba e Sujuan Liu. "Formation and suppression of misoriented grains in 6H-SiC crystals". CrystEngComm 13, n. 7 (2011): 2709. http://dx.doi.org/10.1039/c0ce00646g.

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6

Shabbir, Asad, Lucy Hickman e Michael Walsh. "The Weed-Suppressive Ability of Summer Cover Crops in the Northern Grains Region of Australia". Agronomy 12, n. 8 (2 agosto 2022): 1831. http://dx.doi.org/10.3390/agronomy12081831.

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Pressure is mounting on the agricultural sector to reduce reliance on herbicides for weed control leading to increased interest in the potential of cover crops to control weeds in summer fallows. The weed suppression ability of three summer cover crop species, buckwheat, millet and teff, was evaluated in field trials at two sites near Camden, NSW in 2021. Buckwheat, millet and teff reduced weed biomass by 65%, 77% and 95%, respectively at Bringelly and by 94%, 92% and 90%, respectively at Lansdowne. Following cover crop desiccation, teff residues reduced weed emergence in subsequently planted wheat by 73% and 26% at Bringelly and Lansdowne, respectively. Overall cover crops were found to be effective in suppressing weed emergence, growth, and reproductive capacity. These studies identified teff grass as an important summer crop option for the northern grains region.
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7

Bastos, Fabiano J. de C., Frederico A. L. Soares, Camylla V. Sousa, Cássio J. Tavares, Marconi B. Teixeira e Antonio E. C. Sousa. "Common bean yield under water suppression and application of osmoprotectants". Revista Brasileira de Engenharia Agrícola e Ambiental 20, n. 8 (agosto 2016): 697–701. http://dx.doi.org/10.1590/1807-1929/agriambi.v20n8p697-701.

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Abstract (sommario):
ABSTRACT The objective of this study was to evaluate the performance of the common bean crop grown with application of osmoprotectants based on algae of the genus Durvillaea potatorum in the winter crop season, with occurrence or not of water suppression. The experiment used a randomized block design, in split plots, arranged in a 4x7 factorial scheme, in which the plots were composed of four treatments - periods of water suppression (7, 14, 21 days and the control treatment: 100% of field capacity throughout the crop cycle) and the subplots consisted of seven types of osmoprotectants. The treatments with osmoprotectants was applied during the full flowering of the common bean. Three days after application of osmoprotectants, the treatments with suppression of irrigation were established. The use of osmoprotectants based on algae of the genus Durvillaea does not affect the variables plant height, stem diameter, stem and pod dry matter, first pod height, number of pods per plant and number of grains per pod in common bean plants cultivated with occurrence of water suppression. Common bean plants under water restriction conditions have lower leaf and shoot dry matter and lower 100-grain weight. Common bean grain yield was influenced by the type of osmoprotectants and the water suppression period.
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8

Dhanjal, Noorpreet I., Siddharth Sharma, Anatoly V. Skalny, Margarita G. Skalnaya, Olga P. Ajsuvakova, Alexey A. Tinkov, Feng Zhang, Xiong Guo, K. Sandeep Prabhu e N. Tejo Prakash. "Selenium-rich maize modulates the expression of prostaglandin genes in lipopolysaccharide-stimulated RAW264.7 macrophages". Food & Function 10, n. 5 (2019): 2839–46. http://dx.doi.org/10.1039/c9fo00186g.

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9

Esteves, Giovanni, Morgann Berg, Kyle D. Wrasman, Michael David Henry, Benjamin A. Griffin e Erica A. Douglas. "CMOS compatible metal stacks for suppression of secondary grains in Sc0.125Al0.875N". Journal of Vacuum Science & Technology A 37, n. 2 (marzo 2019): 021511. http://dx.doi.org/10.1116/1.5065517.

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10

Li, Chao, Haili Song, Zongbei Dai, Zhenbo Zhao, Chengyan Liu, Hengquan Yang, Chengqiang Cui e Lei Miao. "High Thermoelectric Performance Achieved in Sb-Doped GeTe by Manipulating Carrier Concentration and Nanoscale Twin Grains". Materials 15, n. 2 (6 gennaio 2022): 406. http://dx.doi.org/10.3390/ma15020406.

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Lead-free and eco-friendly GeTe shows promising mid-temperature thermoelectric applications. However, a low Seebeck coefficient due to its intrinsically high hole concentration induced by Ge vacancies, and a relatively high thermal conductivity result in inferior thermoelectric performance in pristine GeTe. Extrinsic dopants such as Sb, Bi, and Y could play a crucial role in regulating the hole concentration of GeTe because of their different valence states as cations and high solubility in GeTe. Here we investigate the thermoelectric performance of GeTe upon Sb doping, and demonstrate a high maximum zT value up to 1.88 in Ge0.90Sb0.10Te as a result of the significant suppression in thermal conductivity while maintaining a high power factor. The maintained high power factor is due to the markable enhancement in the Seebeck coefficient, which could be attributed to the significant suppression of hole concentration and the valence band convergence upon Sb doping, while the low thermal conductivity stems from the suppression of electronic thermal conductivity due to the increase in electrical resistivity and the lowering of lattice thermal conductivity through strengthening the phonon scattering by lattice distortion, dislocations, and twin boundaries. The excellent thermoelectric performance of Ge0.90Sb0.10Te shows good reproducibility and thermal stability. This work confirms that Ge0.90Sb0.10Te is a superior thermoelectric material for practical application.
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Più fonti

Tesi sul tema "Suppression de la graisse"

1

Josset, Anne. "Suivi par thermométrie par imagerie par résonance magnétique (IRM) des ablations thermiques dans les tissus mous". Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAD040.

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Les ablations thermiques constituent des alternatives prometteuses aux techniques conventionnelles, notamment pour le traitement de cancers. Le caractère minimalement invasif de ces thérapies contribue à réduire la morbidité et les effets secondaires, transformant ainsi la prise en charge des patients. Toutefois, cela nécessite l’utilisation d’outils appropriés pour un suivi en temps réel des thérapies afin d’attester un traitement efficace et d’assurer la sécurité de la procédure. La thermométrie par Imagerie par Résonance Magnétique (IRM) est reconnue comme le gold standard pour monitorer ces thérapies. En effet, cette technique d’imagerie non invasive permet de cartographier de façon précise les changements de température au sein des tissus aqueux grâce à la méthode de la PRFS (Proton Resonance Frequency Shift). Cependant, l’efficacité de cette méthode, en particulier dans les tissus contenant de la graisse, nécessite une évaluation précise. Dans le cadre de ce travail de thèse, nous avons mis au point une méthode pour quantifier les pics restants de la graisse après différentes méthodes de suppression de la graisse. Cette approche a été caractérisée lors d’expériences in vitro et in vivo. La précision des mesures de thermométrie IRM PRFS a été ensuite mesurée pour plusieurs quantités de gras avec différentes méthodes de suppression. Les résultats montrent que le signal résiduel de la graisse impacte les mesures de température IRM PRFS. Une méthode a alors été proposée pour évaluer les variations de température sans suppression de la graisse à l’aide d’un algorithme de séparation de l’eau et de la graisse. L’approche proposée est compatible avec des séquences rapides, adaptées au temps réel, et permet de mesurer avec précision les variations de température dans les tissus contenant de la graisse
Thermal ablation offers a promising alternative to traditional cancer treatment techniques, particularly due to its minimally invasive feature, which reduces morbidity and side effects. However, it requires the use of appropriate tools for real-time temperature monitoring to attest the effectiveness of the treatment and ensure the safety of the procedure. Magnetic Resonance Imaging (MRI) thermometry is recognized as the gold standard for this purpose, allowing for precise temperature mapping in aqueous tissues using the PRFS (Proton Resonance Frequency Shift) method. Nevertheless, the effectiveness of this method in fat-containing tissues requires careful evaluation. In this thesis, we developed a method to quantify the remaining fat peak signal after various fat suppression methods. This approach was assessed through both in vitro and in vivo experiments. We then evaluated the accuracy of PRFS MRI thermometry with several amounts of fat and different fat suppression methods. Our findings indicate that the residual fat signal impacts PRFS MRI temperature measurements. Consequently, a method was suggested to evaluate temperature variations without fat suppression techniques, using a water/fat separation algorithm. This approach is compatible with real-time sequences and enables accurate measurement of temperature variation in fat-containing tissues
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2

Poujol, Julie. "Techniques d'acquisitions et reconstructions IRM rapides pour améliorer la détection du cancer du sein". Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0143/document.

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Abstract (sommario):
Le cancer du sein est aujourd’hui le cancer le plus fréquent chez la femme ainsi que la première cause de décès féminin par cancer. Actuellement, l’IRM mammaire n’est réalisée qu’en seconde intention lorsque les autres modalités d’imagerie ne suffisent pas à poser un diagnostic. Dans le cas des populations à risque, l’IRM mammaire est recommandée comme examen de dépistage annuel en raison de sa très haute sensibilité de détection. Par IRM, la détection d’un cancer du sein se fait à la suite de l’injection d’un produit de contraste qui permet de visualiser les lésions mammaires en hypersignal. La majeure partie du diagnostic repose sur l’analyse morphologique de ces lésions ; une acquisition hautement résolue spatialement est donc nécessaire. Malgré l’utilisation des techniques d’accélération courantes, le volume de données à acquérir reste important et la résolution temporelle de l’examen d’IRM mammaire est aujourd’hui aux alentours d’une minute. Cette faible résolution temporelle limite donc intrinsèquement la spécificité de l’examen d’IRM mammaire. Un examen avec une haute résolution temporelle permettrait l’utilisation de modèles pharmacocinétiques donnant accès à des paramètres physiologiques spécifiques des lésions. L’approche proposée dans ce travail de thèse est le développement d’une séquence IRM permettant à la fois la reconstruction classique d’images, telle que celle utilisée en routine clinique pour le diagnostic, ainsi qu’une reconstruction accélérée d’images avec une plus haute résolution temporelle permettant ainsi l’application de modèles pharmacocinétiques. Le développement de cette séquence a été réalisé en modifiant l’ordre d’acquisition du domaine de Fourier de la séquence utilisée en clinique, afin qu’il soit aléatoire et permette la reconstruction a posteriori de domaines sous-échantillonnés acquis plus rapidement. Des acquisitions sur des objets tests, sur des volontaires et sur des patientes ont montré que l’acquisition aléatoire ne modifiait pas les images obtenues par reconstruction classique permettant ainsi le diagnostic conventionnel. Une attention particulière a été portée pour permettre la suppression de graisse nécessaire à l’acquisition des images d’IRM mammaire. Les reconstructions des domaines sous-échantillonnés sont réalisées via des reconstructions Compressed Sensing permettant la suppression des artéfacts de sous-échantillonnage. Ces reconstructions Compressed Sensing ont été développées et testées sur des fantômes numériques reproduisant des IRMs mammaires. Le potentiel de cette nouvelle acquisition a enfin été testé sur une lésion artificielle mammaire, développée à cet effet, et reproduisant des prises de contraste mammaires
Breast cancer is nowadays the first cause of female cancer and the first cause of female death by cancer. Breast MRI is only performed in second intention when other imaging modalities cannot lead to a confident diagnosis. In high risk women population, breast MRI is recommended as an annual screening tool because of its higher sensitivity to detect breast cancer. Breast MRI needs contrast agent injection to visualize enhancing lesions and the diagnosis is mostly based on morphological analysis of these lesions. Therefore, an acquisition with high spatial resolution is needed. Despite the use of conventional MRI acceleration techniques, the volume of data to be acquired remains quite large and the temporal resolution of the exam is around one minute. This low temporal resolution may be the cause of the low specificity of breast MRI exam. Breast MRI with higher temporal resolution will allow the use of pharmacokinetic models to access physiological parameters and lesion specifications. The main aim of this work is to develop a MRI sequence allowing a flexible use of the acquired data at the reconstruction stage. On the one hand, the images can be reconstructed with a conventional reconstruction like the protocol used in clinical routine. On the other hand, the new MRI sequence will also allow the reconstruction of images with a higher temporal resolution allowing the use of pharmacokinetic models. The development of this sequence was done by modifying the acquisition order in the Fourier domain. A random acquisition of the Fourier domain will allow the reconstruction of sub-sampled domains acquired faster. We paid attention to fat suppression efficiency with this new Fourier domain acquisition order. Tests were performed on phantom, female volunteers and patients. These tests showed that the random acquisition did not impact the quality of images (MRI signal and lesion morphology) obtained by conventional reconstruction thus allowing the conventional diagnosis. The reconstructions of the sub-sampled Fourier domains were made using Compressed Sensing reconstructions to remove sub-sampling artifacts. These reconstructions were developed and tested on digital phantoms reproducing breast MRI. The potential of this new MRI acquisition was tested on an artificial enhancing breast lesion developed especially for this purpose
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3

Poujol, Julie. "Techniques d'acquisitions et reconstructions IRM rapides pour améliorer la détection du cancer du sein". Electronic Thesis or Diss., Université de Lorraine, 2017. http://www.theses.fr/2017LORR0143.

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Abstract (sommario):
Le cancer du sein est aujourd’hui le cancer le plus fréquent chez la femme ainsi que la première cause de décès féminin par cancer. Actuellement, l’IRM mammaire n’est réalisée qu’en seconde intention lorsque les autres modalités d’imagerie ne suffisent pas à poser un diagnostic. Dans le cas des populations à risque, l’IRM mammaire est recommandée comme examen de dépistage annuel en raison de sa très haute sensibilité de détection. Par IRM, la détection d’un cancer du sein se fait à la suite de l’injection d’un produit de contraste qui permet de visualiser les lésions mammaires en hypersignal. La majeure partie du diagnostic repose sur l’analyse morphologique de ces lésions ; une acquisition hautement résolue spatialement est donc nécessaire. Malgré l’utilisation des techniques d’accélération courantes, le volume de données à acquérir reste important et la résolution temporelle de l’examen d’IRM mammaire est aujourd’hui aux alentours d’une minute. Cette faible résolution temporelle limite donc intrinsèquement la spécificité de l’examen d’IRM mammaire. Un examen avec une haute résolution temporelle permettrait l’utilisation de modèles pharmacocinétiques donnant accès à des paramètres physiologiques spécifiques des lésions. L’approche proposée dans ce travail de thèse est le développement d’une séquence IRM permettant à la fois la reconstruction classique d’images, telle que celle utilisée en routine clinique pour le diagnostic, ainsi qu’une reconstruction accélérée d’images avec une plus haute résolution temporelle permettant ainsi l’application de modèles pharmacocinétiques. Le développement de cette séquence a été réalisé en modifiant l’ordre d’acquisition du domaine de Fourier de la séquence utilisée en clinique, afin qu’il soit aléatoire et permette la reconstruction a posteriori de domaines sous-échantillonnés acquis plus rapidement. Des acquisitions sur des objets tests, sur des volontaires et sur des patientes ont montré que l’acquisition aléatoire ne modifiait pas les images obtenues par reconstruction classique permettant ainsi le diagnostic conventionnel. Une attention particulière a été portée pour permettre la suppression de graisse nécessaire à l’acquisition des images d’IRM mammaire. Les reconstructions des domaines sous-échantillonnés sont réalisées via des reconstructions Compressed Sensing permettant la suppression des artéfacts de sous-échantillonnage. Ces reconstructions Compressed Sensing ont été développées et testées sur des fantômes numériques reproduisant des IRMs mammaires. Le potentiel de cette nouvelle acquisition a enfin été testé sur une lésion artificielle mammaire, développée à cet effet, et reproduisant des prises de contraste mammaires
Breast cancer is nowadays the first cause of female cancer and the first cause of female death by cancer. Breast MRI is only performed in second intention when other imaging modalities cannot lead to a confident diagnosis. In high risk women population, breast MRI is recommended as an annual screening tool because of its higher sensitivity to detect breast cancer. Breast MRI needs contrast agent injection to visualize enhancing lesions and the diagnosis is mostly based on morphological analysis of these lesions. Therefore, an acquisition with high spatial resolution is needed. Despite the use of conventional MRI acceleration techniques, the volume of data to be acquired remains quite large and the temporal resolution of the exam is around one minute. This low temporal resolution may be the cause of the low specificity of breast MRI exam. Breast MRI with higher temporal resolution will allow the use of pharmacokinetic models to access physiological parameters and lesion specifications. The main aim of this work is to develop a MRI sequence allowing a flexible use of the acquired data at the reconstruction stage. On the one hand, the images can be reconstructed with a conventional reconstruction like the protocol used in clinical routine. On the other hand, the new MRI sequence will also allow the reconstruction of images with a higher temporal resolution allowing the use of pharmacokinetic models. The development of this sequence was done by modifying the acquisition order in the Fourier domain. A random acquisition of the Fourier domain will allow the reconstruction of sub-sampled domains acquired faster. We paid attention to fat suppression efficiency with this new Fourier domain acquisition order. Tests were performed on phantom, female volunteers and patients. These tests showed that the random acquisition did not impact the quality of images (MRI signal and lesion morphology) obtained by conventional reconstruction thus allowing the conventional diagnosis. The reconstructions of the sub-sampled Fourier domains were made using Compressed Sensing reconstructions to remove sub-sampling artifacts. These reconstructions were developed and tested on digital phantoms reproducing breast MRI. The potential of this new MRI acquisition was tested on an artificial enhancing breast lesion developed especially for this purpose
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4

Beaujeux, Rémy. "Spécificité, fonction et imagerie de la graisse épidurale lombaire postérieure". Université Louis Pasteur (Strasbourg) (1971-2008), 1994. http://www.theses.fr/1994STR11419.

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5

Abdesselam, Inès. "Dépôts de graisse ectopique : étude de leur développement et de leur modulation". Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM5005.

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Abstract (sommario):
Le projet de cette thèse porte sur le développement de dépôts lipidiques ectopique et leur modulation suite à des intervenions thérapeutiques par imagerie résonance magnétique.Dans notre première étude, nous avons établi l’ordre chronologique d’apparition de graisses ectopiques et d’anomalies cardiaques dans un modèle de souris soumises à un régime riche en graisse et en sucre. Un traitement de courte durée à l’exendine-4 permet une amélioration de tous les paramètres altérés. Dans la deuxième étude, nous avons évalué l’impact d’un traitement de l’obésité sur les dépôts ectopique de graisse cardiaque (TAE et stéatose), hépatique et pancréatique à deux temps (6 mois et 32 mois) après chirurgie bariatrique. Nous avons montré que ce traitement chirurgical permet une réduction de tous ces dépôts, avec une cinétique différente. Enfin, dans la troisième étude, nous nous sommes intéressés à l’effet du poids de naissance sur le développement de tissu adipeux épicardique. Cette étude nous a permis de mettre en évidence qu’il existe une accumulation plus importante de TAE à l’âge adulte lorsque le poids de naissance est augmenté ; et que les paramètres poids de naissance et croissance entre 2 et 12 ans, jouent un rôle important dans la mise en place de ce dépôts de graisse ectopique. En somme, ces résultats permettent une avancée dans la compréhension du développement des dépôts de graisses et de leur modulation
The project of this thesis mainly focuses on ectopic lipid deposition development and their flexibility following therapeutic intervention. In our first study, we set out chronological order of ectopic fat onset and cardiac abnormalities in a high fat high sucrose mice model. Short duration exendin-4 treatment reverses every altered parameter. In the second study, we assessed treatment of obesity effect on cardiac ectopic fat deposition (EAT and steatosis), as well as hepatic and pancreatic fat at two different time points (6 months and 32 months) after bariatric surgery. We show significant reduction of every ectopic fat deposition, however in different kinetic. Finally, in a third study, we investigate birth weight effect on epicardial adipose tissue development. This study demonstrate important EAT accumulation in adulthood when birth weight is increased. Furthermore, birth weight and catch up growth in childhood between 2 and 12 years parameters impact significantly the development of epicardial fat.In summary, these results provide better understanding of ectopic fat deposition development and modulation
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6

JACOBERGER, BERNADETTE. "Diffusion dans la graisse epiploique de differentes familles d'antibiotiques utilisees en antibioprophylaxie". Strasbourg 1, 1992. http://www.theses.fr/1992STR15060.

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7

Balouet, Pierre. "Estimation du poids foetal : intérêt de la mesure de la graisse des membres". Caen, 1991. http://www.theses.fr/1991CAEN3055.

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8

Wilkinson, Ryan John Paul. "Effect of glucose on the suppression and post-suppression rebound of stereotypes". Thesis, University of Canterbury. Psychology, 2011. http://hdl.handle.net/10092/6213.

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Abstract (sommario):
The suppression of unwanted thoughts is an effortful process. An ironic effect of this process is that the unwanted thoughts can become hyper-accessibility after a period of their suppression, known as “post-suppression rebound”. In the present study the impact of providing energy (through a glucose drink) on post-suppression rebound was investigated. One hundred and twenty participants participated in the main study, and another 30 participants served as a baseline group. Half of the participants in the main study were given a drink containing glucose and the other half was given a placebo drink containing an artificial sweetener. All participants wrote a passage about a “day in the life” of a gay male, with half the participants directed to avoid using stereotypes. A subsequent lexical decision task measured activation of stereotypes. Finally, a measure of prejudice was given to account for individual differences. Neither the direction to avoid using stereotypes nor the glucose resulted in lower stereotypicality of the “day in life” passages. Furthermore, response times during the lexical decision task did not differ between any of the main conditions or the baseline condition. However, the combination of both glucose and directed suppression did result in more positive passages, suggesting that the combination assists in reducing negative stereotype usage. Results are discussed in terms of stereotype usage and suppression and prejudice level.
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9

Beaudin, Gilles. "L'anhydrase carbonique III du muscle squelettique humain". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ31676.pdf.

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10

Degrace, Pascal. "Nature et origine des acides gras constitutifs des lipides des lipoprotéines de la lymphe intestinale. Etude en périodes interprandiale et postprandiale chez le rat préalablement soumis à différents régimes hyperlipidiques de longue durée". Dijon, 1997. http://www.theses.fr/1997DIJOS030.

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Des rats sont soumis pendant 4 semaines, soit à un régime normolipidique standard soit à des régimes hyperlipidiques contenant 15% d'huile de tournesol, d'huile de menhaden ou d'huile MCT. Nous avons déterminé la composition en acides gras de la lymphe, de la bile et du sang, ainsi que du tissu adipeux et du foie. Les acides gras caractéristiques des régimes et ceux dérivant de leur métabolisme hépatique apparaissent à différents niveaux de l'organisme et particulièrement au niveau des phospholipides biliaires et dans le plasma. Afin de déterminer si les régimes influent sur l'absorption intestinale des acides gras, nous avons analysé la lymphe après avoir infusé intraduodénalement aux animaux une émulsion contenant 90 moles de lipides dont les acides oléique et arachidonique marqués. L'accoutumance aux régimes tournesol et menhaden conduit à une augmentation de la quantité d'acides gras dans la lymphe après infusion de l'émulsion lipidique. Ce résultat semble être la conséquence d'une production importante de phospholipides biliaires, source d'acides gras endogènes participant à la synthèse des composants lipidiques des lipoprotéines intestinales. Au contraire, l'accoutumance au régime hyperlipidique MCT semble inhiber la sécrétion des phospholipides biliaires, diminuer la quantité d'acides gras lymphatiques, et vraisemblablement augmenter l'absorption des acides gras à longue chaine par la voie portale mésentérique. Dans le but d'évaluer les capacités d'absorption de l'intestin des animaux soumis aux différents régimes, des études concernant l'expression du fatty acid transporter (fat) et de la liver fatty acid binding protein (l-fabp) ont été réalisées. Des modifications morphologiques et fonctionnelles de l'intestin, relatives à la nature et a la quantité des acides gras exogènes et endogènes atteignant les enterocytes et susceptibles de modifier les capacités d'absorption, apparaissent après 4 semaines de régime.
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Libri sul tema "Suppression de la graisse"

1

Lefebvre, Jean-Pierre. La mauvaise graisse: Essai de pathologie bureaucratique. Luneray: Bertout, 1999.

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Frankétienne. Une étrange cathédrale dans la graisse des ténèbres. [Port-au-Prince, Haïti]: Spirale, 1996.

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Agriculture, Florida Legislature House of Representatives Committee on. Aerial fire suppression. Tallahassee, FL]: The Committee, 2006.

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Huizing, Albert G. Adaptive clutter suppression. Birmingham: University of Birmingham, 1988.

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Gautam, R. D. Biological pest suppression. 2a ed. New Delhi: Westville Pub. House, 2008.

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Pietro, Pucci, a cura di. La pierre et la graisse: Lecture dans l'intertexte grec antique. Amsterdam: A.M. Hakkert, 2001.

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7

(Firm), Harris Semiconductor. Transient voltage suppression devices. Melbourne, Florida: Harris Semiconductor, 1994.

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8

Li, Zhongyu, Junjie Wu, Jianyu Yang e Zhutian Liu. Bistatic SAR Clutter Suppression. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0159-1.

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9

Gabrilovich, Dmitry I., e Arthur A. Hurwitz, a cura di. Tumor-Induced Immune Suppression. New York, NY: Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-69118-3.

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Gabrilovich, Dmitry I., e Arthur Andrew Hurwitz, a cura di. Tumor-Induced Immune Suppression. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4899-8056-4.

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Capitoli di libri sul tema "Suppression de la graisse"

1

Mendoza, John E. "Suppression". In Encyclopedia of Clinical Neuropsychology, 3368. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-57111-9_795.

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Mendoza, John E. "Suppression". In Encyclopedia of Clinical Neuropsychology, 1. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56782-2_795-2.

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Weik, Martin H. "suppression". In Computer Science and Communications Dictionary, 1692. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_18617.

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Brzenchek, Robert Matthew, Ben Pieper e Garrick Plonczynski. "Suppression". In The Gang Life: Laugh Now, Cry Later, 76–81. 1 Edition. | New York: Routledge, 2018.: Routledge, 2017. http://dx.doi.org/10.4324/9781315158181-12.

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Gooch, Jan W. "Suppression". In Encyclopedic Dictionary of Polymers, 926. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_14899.

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Mendoza, John E. "Suppression". In Encyclopedia of Clinical Neuropsychology, 2439. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_795.

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Bratt, Patricia Harte. "Suppression". In Mutual Growth in the Psychotherapeutic Relationship, 122–35. Milton Park, Abingdon, Oxon; New York, NY: Routledge, 2019.: Routledge, 2019. http://dx.doi.org/10.4324/9780429433153-10.

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Sedlacek, H. Harald, e Tarik Möröy. "Immune Suppression". In Immune Reactions, 333–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79558-9_21.

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Presser, C., e J. C. Yang. "Fire Suppression". In Handbook of Atomization and Sprays, 909–26. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-7264-4_42.

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Wu, Renbiao, Wenyi Wang, Dan Lu, Lu Wang e Qiongqiong Jia. "Jamming Suppression". In Navigation: Science and Technology, 31–119. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5571-3_2.

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Atti di convegni sul tema "Suppression de la graisse"

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Hearn, William, e Eduard Hryha. "Influence Of Carbon On The Microstructure Of Carbon Steels Produced By L-PBF". In World Powder Metallurgy 2022 Congress & Exhibition. EPMA, 2022. http://dx.doi.org/10.59499/wp225372187.

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The recent development of carbon steel for laser powder bed fusion (L-PBF) has shown that these alloys can be produced using the process. However, knowledge regarding their as-built microstructure remains limited. This work explores the microstructure of carbon steels (0.06-1.1 wt.% C) produced by L-PBF to examine the effect of carbon on phase formation and grain structure. Analysis found that the microstructure of these alloys was primarily composed of tempered martensite that contained nano-sized carbides. Retained austenite was also observed at elevated carbon contents (=0.75 wt.%) due to the suppression of the martensite transformation temperature. With increasing carbon content noticeable changes in the parent austenite grains was not observed, however, the fineness of individual martensite grains did increase. Additionally, a transition from lath to plate martensite was observed at 1.1 wt.% C. These findings establish an understanding of carbon steels that can further their development for L-PBF.
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Khalkho, John Samson, e D. Benny Karunakar. "Effect of Multi-Axial Forging on Mechanical Properties and Microstructures of AA7075/TaC Composites". In ASME 2023 18th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/msec2023-105434.

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Abstract The objective of the current work is to develop a AA7075 reinforced Tantalum Carbide (1, 3, 5, and 7 wt%) composite through stir casting. The secondary process such as Multi-axial forging (MAF) followed by ageing was performed on AA7075/5TaC(S-4) composite to enhance the strength and ductility of composite. The evolution of microstructures were examined by Optical microscope (OM) and Field emission scanning electron microscopy (FESEM) and the MAF process was analyzed by Electron back scattered diffraction (EBSD). The microstructure characterization reveals that refinement of grains take place with the addition of TaC due to the pinning effect. The microstructure of the MAF shows suppression of dynamic recovery and generation of dislocation density because of strain energy effect at room temperature. The mechanical properties were measured by Vickers hardness and universal tensile testing machine and obtained as the highest for 5 wt % TaC which is 142 Hv, 211 YS, and 254 UTS. MAF specimen shows an improvement in mechanical properties and percentage elongation compared to properties obtained in S-4 composite specimen. The highest UTS, YS, and % Elongation of S-4 specimen was achieved with MAF+aged when the cumulative strain was up to 4.8. The enhancement in hardness and tensile strength of the developed composite and MAF specimen were discussed with various strengthening mechanisms.
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Tuna, Ana Rita Ramos, Amélia Maria Fernandes Nunes e Filipa Almeida Neves Carrega. "Interocular suppression". In Third International Conference on Applications of Optics and Photonics, a cura di Manuel Filipe P. Martins Costa. SPIE, 2017. http://dx.doi.org/10.1117/12.2272180.

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Andaru, Arkanu, e Sarah Sausan. "Intelligent Detection of SEM Mineralogy Using Dynamic Segmentation Algorithm in Geothermal Sedimentary Reservoir: Case Study with Quantification of Quartz Overgrowth". In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215327-ms.

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Abstract Quantifying quartz overgrowth in sedimentary geothermal reservoirs can provide vital information about reservoir quality and drilling success rates. The traditional process, which involves manual inspection of numerous Scanning Electron Microscope (SEM) images, is tedious and time-consuming. This paper introduces an automated approach using computer vision and random forest algorithms to streamline the process, providing a more efficient method for noise reduction, multi-level thresholding, machine learning (ML) model training, and application to SEM images for quartz overgrowth detection. Our approach employs a dynamic segmentation algorithm that integrates noise suppression, multi-level auto-thresholding, and dynamic overlaying. This enables automatic mineral identification from lower-quality images, accommodating varying brightness and contrast levels. Additionally, the algorithm effectively handles overlay shifting in cathodoluminescence (CL) and backscattered electron (BSE) images. We use a Random Forest technique to train the algorithm using comprehensive ground truth data and CL image features like Gabor, Canny Edge, and Roberts Edge. The resultant ML model helps refine the image segmentation predictions, acting as a more precise mineralogy predictor. Our model training achieved an encouraging 75% accuracy score, demonstrating its effectiveness in distinguishing between quartz grains and overgrowth, as well as identifying porosity and other minerals. However, due to the vast data size, further model improvement necessitates additional training data and usage of a High Performance Computing (HPC) cluster. After training, the model showed enhanced detection capabilities, particularly a reduction in false porosity detections associated with internal cracks. Future improvements could involve applying morphology detection principles and allowing user input for parameters like overlay shifting. The program was designed for easy use by individuals with minimal coding experience, and further development into a web app is suggested for increased accessibility. In summary, this method significantly enhances the efficiency and accuracy of mineralogy analysis using SEM images, providing a quick and accurate method for geoscientists to determine mineral composition.
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He, Shaoqi, Liangang Xiao e Peng Sun. "Adaptive Trap-Based Noise Suppression Interference Suppression Algorithm". In 2023 China Automation Congress (CAC). IEEE, 2023. http://dx.doi.org/10.1109/cac59555.2023.10450690.

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Hamaguchi, Tomoaki, Hirokazu Okada, Shinnosuke Kurihara, Hiroyuki Hirata, Mitsuru Yoshizawa e Atsuro Iseda. "Microstructural Evaluation of 9Cr-3W-3Co-Nd-B Heat-Resistant Steel (SAVE12AD) After Long-Term Creep Deformation". In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65241.

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The new ferritic heat-resistant steel composed of 9Cr-3W-3Co-Nd-B, registered as ASME Code Case 2839, has been developed for large diameter and heavy wall thickness pipes and forgings of fossil-fired power boilers. The steel, which contains 0.01 mass% boron, a small amount of neodymium, and optimized amounts of nitrogen, is characterized by the superior long-term creep strengths of both the base metal and welded joint. P92 had equiaxed subgrain structures changed from martensite lath structures and coarsened M23C6 type carbides after long-term creep. In contrast, the developed steel, SAVE12AD, maintained martensite lath structures with fine M23C6 along the boundaries even after the long-term creep stage. The addition of high amounts of boron suppressed the coarsening of M23C6 along the boundaries, thereby stabilizing the martensite lath structure in the base metal of the steel. Consequently, SAVE12AD had higher creep rupture strength than other high chromium ferritic steels. To investigate the creep rupture strength of welded joints, two welded joints with Ni-based alloy and Grade 92 welding filler wires were prepared by automatic gas tungsten arc welding. The creep rupture strength of each welded joint showed small degradation compared with the base metal in the long-term creep stage over 10,000 hours. These were ruptured 1.5 mm away from the fusion line, which was the same area as Type IV cracking. Microstructural observations were carried out by electron back scatter diffraction analysis using simulated heat-affected zone samples at different peak temperatures from 750 °C to 1350 °C in order to clarify the microstructure in the heat-affected zone. No fine grain area was observed in the microstructure after the simulated heat-affected zone at 910 °C just above AC3 transformation temperature, although there were fine grains along prior austenite grain boundaries, which seemed to form with the diffusion transformation. The creep cracks seemed to have initiated from the fine grain structures, resulting in the rupture at the same area as Type IV cracking. However, the creep rupture strength degradation of the welded joints against the base metal was significantly smaller than that of conventional steel welded joints owing to the suppression of fine grains found in the heat-affected zone heated around AC3 temperature. The developed 9Cr-3W-3Co-Nd-B steel (SAVE12AD) will be used for large diameter and heavy wall thickness pipes and forgings in 600 °C ultra super critical power plants.
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FORTUNATO, S. "SEQUENTIAL QUARKONIUM SUPPRESSION". In Proceedings of a Meeting Held in the Framework of the Activities of GISELDA, the Italian Working Group on Strong Interactions. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776532_0009.

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Beck, Kevin D., Kenneth R. Short, Kirsten M. VanMeenen e Richard J. Servatius. "Suppression through acoustics". In Defense and Security Symposium, a cura di Glenn T. Shwaery, John G. Blitch e Carlton Land. SPIE, 2006. http://dx.doi.org/10.1117/12.666328.

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Levien, Raphael L. "Moire suppression screening". In Electronic Imaging, a cura di Reiner Eschbach e Gabriel G. Marcu. SPIE, 1999. http://dx.doi.org/10.1117/12.373421.

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Strickland, Michael. "Thermal bottomonium suppression". In XII HADRON PHYSICS. AIP, 2013. http://dx.doi.org/10.1063/1.4795953.

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Rapporti di organizzazioni sul tema "Suppression de la graisse"

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Hopkins, Mark, John Schoenrock e Edward Budnick. Fire suppression systems. Gaithersburg, MD: National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.ncstar.1-4b.

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Doerry, Armin Walter. SAR ambiguous range suppression. Office of Scientific and Technical Information (OSTI), settembre 2006. http://dx.doi.org/10.2172/893128.

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Gann, Richard G., e Richard G. Gann. Fire suppression in aircraft. Gaithersburg, MD: National Institute of Standards and Technology, 2007. http://dx.doi.org/10.6028/nist.sp.1069.

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Zissman, M. A. Cochannel Talker Interference Suppression. Fort Belvoir, VA: Defense Technical Information Center, luglio 1991. http://dx.doi.org/10.21236/ada241029.

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Hamins, Anthony. Vehicle fire suppression research needs. Gaithersburg, MD: National Institute of Standards and Technology, 2007. http://dx.doi.org/10.6028/nist.ir.7406.

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Ekdahl, Carl August Jr, e Rodney Craig Mccrady. BBU suppression by stagger tuning. Office of Scientific and Technical Information (OSTI), gennaio 2020. http://dx.doi.org/10.2172/1595641.

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Anderson, Mark, Steven Wells e Dov Dover. Active Water Explosion Suppression System. Fort Belvoir, VA: Defense Technical Information Center, giugno 2002. http://dx.doi.org/10.21236/ada424457.

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Modine, F. A., V. B. Campbell e L. M. Levinson. Moldable Transient Suppression Polymer Composite. Office of Scientific and Technical Information (OSTI), aprile 1996. http://dx.doi.org/10.2172/770548.

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Campbell, v. b., e f. a. modine. Moldable Transient Suppression Polymer Composite. Office of Scientific and Technical Information (OSTI), novembre 1998. http://dx.doi.org/10.2172/4285.

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Prasad, Kuldeep, Chiping Li e K. Kailasanath. Numerical Modeling of Fire Suppression Using Water Mist. 4. Suppression of Liquid Methanol Pool Fires. Fort Belvoir, VA: Defense Technical Information Center, dicembre 1998. http://dx.doi.org/10.21236/ada357561.

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