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Artykuły w czasopismach na temat "Signaux radioactives"
Han, Yongchao, Shoulong Xu i Youjun Huang. "Real-Time Monitoring Method for Radioactive Substances Using Monolithic Active Pixel Sensors (MAPS)". Sensors 22, nr 10 (22.05.2022): 3919. http://dx.doi.org/10.3390/s22103919.
Pełny tekst źródłaDurrant, I. "Radioactive and Non-Radioactive In Situ Hybridization Techniques". Proceedings, annual meeting, Electron Microscopy Society of America 54 (11.08.1996): 8–9. http://dx.doi.org/10.1017/s0424820100162508.
Pełny tekst źródłaGuyette, Frank, Joe Suyama, Jerry Rosen i Michael Allswede. "Prevalence of Radioactive Signals from Surveillance of an Emergency Department". Prehospital and Disaster Medicine 21, nr 4 (sierpień 2006): 276–81. http://dx.doi.org/10.1017/s1049023x00003836.
Pełny tekst źródłaMin, Sujung, Kwang-Hoon Ko, Bumkyung Seo, JaeHak Cheong, Changhyun Roh i Sangbum Hong. "Wireless Backpack System for Detection of Radioactive Cesium on Contaminated Soil Using Portable Plastic Scintillator with Efficient Readout Device". Electronics 10, nr 22 (18.11.2021): 2833. http://dx.doi.org/10.3390/electronics10222833.
Pełny tekst źródłaZhang, Lei, Chenkai Qiao, Jingjun Zhu, Yu Liu, Yulu Yan, Shin-Ted Lin, Shukui Liu, Changjian Tang i Haoyang Xing. "Preparation of Large Volume Solid Argon Crystal and Its Feasibility Test as a Scintillation Material". Crystals 12, nr 10 (7.10.2022): 1416. http://dx.doi.org/10.3390/cryst12101416.
Pełny tekst źródłaBabińska, Joanna, Krystyna Dyrek i Piotr Wyszomirski. "EPR Study of Paramagnetic Defects in Clay Minerals". Mineralogia 38, nr 2 (1.01.2007): 125–38. http://dx.doi.org/10.2478/v10002-007-0021-x.
Pełny tekst źródłaArakelyan, N. V., i Yu A. Kutoyants. "ON THE IDENTIFICATION OF THE SOURCE OF EMISSION ON THE PLANE". Proceedings of the YSU A: Physical and Mathematical Sciences 53, nr 2 (249) (15.08.2019): 75–81. http://dx.doi.org/10.46991/pysu:a/2019.53.2.075.
Pełny tekst źródłaWulandari, H., F. Von Feilitzsch, M. Huber, Th Jagemann, J. Jochum, T. Lachenmaier, J. C. Lanfranchi i in. "Study on Neutron-induced Background in the CRESST Experiment". Symposium - International Astronomical Union 220 (2004): 491–92. http://dx.doi.org/10.1017/s0074180900183895.
Pełny tekst źródłaKOUMANOV, Françoise, Jing YANG, E. Alison JONES, Yasumaru HATANAKA i D. Geoffrey HOLMAN. "Cell-surface biotinylation of GLUT4 using bis-mannose photolabels". Biochemical Journal 330, nr 3 (15.03.1998): 1209–15. http://dx.doi.org/10.1042/bj3301209.
Pełny tekst źródłaSteinitz, G., M. C. Martín, N. Gazit-Yaari, M. L. Quesada, J. de la Nuez, R. Casillas, U. Malik i Z. B. Begin. "Multi-day radon signals with a radioactive decay limb—Occurrence and geophysical significance". Applied Radiation and Isotopes 64, nr 4 (kwiecień 2006): 520–24. http://dx.doi.org/10.1016/j.apradiso.2005.10.004.
Pełny tekst źródłaRozprawy doktorskie na temat "Signaux radioactives"
Hachem, Ali. "Characterization of radioactivity signals by embedded machine learning". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP017.
Pełny tekst źródłaIn various applications, the classification of radiation detector signals is of crucial importance. This thesis focuses on a specific and complex use case, namely the discrimination of neutrons and gamma-rays in an organic plastic scintillator using integrated machine learning (ML). The solutions explored in this study could potentially be extended to the discrimination of other types of radiations in different detectors. We present a method for creating labeled neutron-gamma datasets acquired through an organic scintillator. This is critical as all neutron sources emit gamma-rays. Supervised Multilayer Perceptron (MLP) and 1D Convolution Neural (CNN) models are trained and evaluated with the prepared dataset using the labeling method. The 1D CNN model outperforms the MLP model, which, in turn, surpasses the state-of-the-art, especially for low-energy radiations ([100, 250] keVee). A second ML approach based on features extraction was explored for discrimination, allowing a signal to be represented by a dimension independent of the acquisition chain, thus facilitating the use of unsupervised adaptation methods. The results indicate that supervised models on raw signals perform better than the attribute-based approach. In this study, the "Form Factor" attribute is explored as a novel discrimination method, offering performance similar to the state-of-the-art algorithm without requiring parameter tuning. Finally, we implemented the proposed ML models and state-of-art algorithm on Field Programmable Gate Array (FPGA) for a discrimination on the fly, while maintaining latency below less than the signal duration. Considering latency and resource consumption as a basis for comparison, the order of the methods is reversed
Fontbonne, Cathy. "Acquisition multiparamétrique de signaux de décroissance radioactive pour la correction des défauts instrumentaux : application à la mesure de la durée de vie du 19Ne". Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC204/document.
Pełny tekst źródłaThe aim of this thesis is to propose a method for precise half-life measurements adapted to nuclides with half-lives of a few seconds. The FASTER real-time digital acquisition system gives access to the physical characteristics of the signal induced by the detection of each decay during the counting period following beam implantation. The selection of the counting data can be carried out by an optimized post-experimental offline analysis. Thus, after establishing the influence factors impacting the measurement (pile up, gain and base line fluctuations), we are able to estimate, a posteriori, their impact on the half-life estimation. This way, we can choose the deposited energy threshold and dead time in order to minimize their effect. This thesis also proposes a method for measuring and then compensating for influence factors variations. This method was applied to estimate the 19Ne half-life with a relative uncertainty of 1.2 10-4 leading to T1 / 2 = 17.2569 (21) s. This is the most precise measurement to date for this isotope
Yosief, Kidane Ogbaghebriel. "Source localization and tracking for possibly unknown signal propagation model". Thesis, University of Iowa, 2014. https://ir.uiowa.edu/etd/1521.
Pełny tekst źródłaCasiraghi, Marina. "Functional modulation of a G protein-coupled receptor conformational landscape in a lipid bilayer". Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC138/document.
Pełny tekst źródłaG protein-coupled receptors (GPCRs) are the largest family of integral membrane protein receptors present in most eukaryotic cells. They play a key role in signal transduction and understanding their signalling mechanism represents one of the main issues in biology today. In the characterization of the energy landscape of these receptors, at the atomic scale, X-ray crystal atomic structures published during the last decade represent the major breakthrough and contribution in the structural biology of GPCRs. They represent a precious starting point in the understanding of the mechanism of signal transduction by placing structures in the conformational ensemble of these receptors along the activation pathway. To complete these static snapshots that correspond to low energy and highly populated states, a characterization of the whole conformational ensemble and associated kinetic barriers is fundamental to complete the picture. To this aim we proposed an innovative approach to observe GPCRs dynamic conformational landscape and how it is modulated by ligands and lipids, that are known to play a key role in membrane protein structures and functions (e.g.). One of the most appropriate tool to explore GPCR kinetic barriers is solution state NMR. To do so, we used 13CH3 probes immersed in a perdeuterated environment, the most appropriate isotope-labelling scheme to investigate conformational landscapes of large proteins or protein complexes with this spectroscopy. We chose Escherichia coli as expression system for its ability to grow in very hostile conditions like 100%-D2O solutions. In order to overcome the usual expression issues concerning GPCRs, we applied an innovative protocol which targets the expression directly to inclusion bodies. This allows the production of high amounts of proteins (up to 6 mg/litre of culture of pure 13CH3-u-2H-GPCRs). Once purified, receptors are folded in amphipols and then transferred to nanometric lipid bilayers or nanodiscs. Importantly quantitative pharmacological measurements indicate that receptors embedded in NLBs following this protocol are stable and fully active in the conditions of the NMR experiments. NMR investigation of a GPCR in a NLB gave rise to a resolution never achieved in the field thanks to a fine tuned biochemistry and a perdeuteration of the receptor. According to our data, the prototypical receptor, the leukotriene B4 receptor (BLT2), is able to explore multiple different conformations, even in the unliganded state, including the active state. This conformational landscape is further modulated by ligands and lipids. In particular, we observed that an increment in the sterol content of the membrane modifies the distribution of the different conformational states of the receptor in favour of the active one, indicating a positive allosteric regulation of the sterol on the activation of this receptor, as confirmed by GTP-to-G protein binding measurements. This property of the sterol is likely important for the control of the signalling properties of GPCRs
Książki na temat "Signaux radioactives"
Garcia, Ernest V., James R. Galt i Ji Chen. SPECT and PET Instrumentation. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199392094.003.0003.
Pełny tekst źródłaCzęści książek na temat "Signaux radioactives"
"Signal enzyme detection". W Non-Radioactive Labelling, 124–25. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012276045-7/50020-9.
Pełny tekst źródła"Use of Eigenvector Centrality for Mobile Target Tracking". W Advances in Wireless Technologies and Telecommunication, 111–28. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3802-8.ch006.
Pełny tekst źródłaGarman, A. J. "Introduction to non-radioactive signals and labels". W Non-Radioactive Labelling, 1–19. Elsevier, 1997. http://dx.doi.org/10.1016/b978-012276045-7/50004-0.
Pełny tekst źródłaEmson, P. C., D. J. Nunez, i A. P. Davenport. "In situ hybridization for the localization and quantification of peptide mRNAs". W Peptide Hormone Secretion, 159–87. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780199630684.003.0006.
Pełny tekst źródłaAbabou, Rachid, Hassane Fatmi, Jean-Michel Matray, Christophe Nussbaum i David Bailly. "Statistical Analyses of Pore Pressure Signals in Claystone During Excavation Works at the Mont Terri Underground Research Laboratory". W Radioactive Waste. InTech, 2012. http://dx.doi.org/10.5772/33187.
Pełny tekst źródłaMeghanathan, Natarajan. "Eigenvector Centrality-Based Mobile Target Tracking in Wireless Sensor Networks". W Sensor Technology, 1150–67. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2454-1.ch054.
Pełny tekst źródłaMeghanathan, Natarajan. "Eigenvector Centrality-Based Mobile Target Tracking in Wireless Sensor Networks". W Advances in Wireless Technologies and Telecommunication, 395–412. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0501-3.ch016.
Pełny tekst źródłaSelf, Colin H., David L. Bates i David B. Cook. "Enzyme amplification systems in ELISA". W Immunochemistry 1, 177–92. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780199636068.003.0009.
Pełny tekst źródłaNayak, Richi. "Wireless Technologies to Enable Electronic Business". W Encyclopedia of Information Science and Technology, First Edition, 3101–5. IGI Global, 2005. http://dx.doi.org/10.4018/978-1-59140-553-5.ch552.
Pełny tekst źródłaNayak, Richi. "Wireless Technologies to Enable Electronic Business". W Business Information Systems, 511–17. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-969-9.ch032.
Pełny tekst źródłaStreszczenia konferencji na temat "Signaux radioactives"
Miller, D., D. Ackermann, R. Grzywacz, S. Heinz, F. P. Heßberger, S. Hofmann, M. Madurga i in. "Digital signal processing for radioactive decay studies". W THE 4TH INTERNATIONAL CONFERENCE ON PROTON EMITTING NUCLEI AND RELATED TOPICS. AIP, 2011. http://dx.doi.org/10.1063/1.3664167.
Pełny tekst źródłaSpasova, L. M., M. I. Ojovan, M. Hayes i H. Godfrey. "Acoustic Emission Monitoring of Cement-Based Structures Immobilising Radioactive Waste". W The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7049.
Pełny tekst źródłaLi-xia, He, Hao Xiao-yong i He Gao-kui. "Study on TlBr Radioactive Detector". W 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66120.
Pełny tekst źródłaYang, Hui, Hao Zhou, Bing Dong, Wentao Zhou, Weiguo Gu, Xinyu Zhang, Qingxin Lei, Chenyu Shan i Dezhong Wang. "A Novel Transmission Reconstruction Algorithm for Radioactive Drum Characterization". W 2022 29th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icone29-90126.
Pełny tekst źródłaLuo, Bin, i Shuangquan Ge. "Augmented reality for material processing within shielded radioactive environment". W 2015 8th International Congress on Image and Signal Processing (CISP). IEEE, 2015. http://dx.doi.org/10.1109/cisp.2015.7407856.
Pełny tekst źródłaMueterthies, M. J., D. E. Krause, A. Longman, V. E. Barnes i E. Fischbach. "Is There a Signal for Lorentz Noninvariance in Existing Radioactive Decay Data?" W Seventh Meeting on CPT and Lorentz Symmetry. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813148505_0050.
Pełny tekst źródłaMay, R., R. Strange, M. Bruggeman i W. De Boeck. "Independent Quality Checking of UK Low Level Radioactive Waste for Plutonium Using the SCK•CEN Hexagon 2000 Passive Neutron Coincidence Counter". W ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4954.
Pełny tekst źródłaCastoldi, A., i C. Guazzoni. "Simulation of the Induced Signals in SiC Detectors for Radioactive Ion Beam Tagging". W 2023 IEEE Nuclear Science Symposium, Medical Imaging Conference and International Symposium on Room-Temperature Semiconductor Detectors (NSS MIC RTSD). IEEE, 2023. http://dx.doi.org/10.1109/nssmicrtsd49126.2023.10337825.
Pełny tekst źródłaBrandys, Irad, Yeshayahu Levin, Rahamim Atias, Yair Ifergan i Yosef Cohen. "Experimental Heat Transfer Spectrum Shift Prevention of a Portable Radiation Spectrometry System". W ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62929.
Pełny tekst źródłaBamberger, Judith A., i Margaret S. Greenwood. "Evolution of a Non-Invasive Sensor for Fluid Density and Solids Concentration Measurement Using Ultrasound". W ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45590.
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