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Готові списки джерел за темами / 2D FTMS

Добірка наукової літератури з теми "2D FTMS"

Автор: Grafiati

Опубліковано: 8 червня 2024

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Статті в журналах з теми "2D FTMS":

1

Dowell, James A., William Vander Heyden, and Lingjun Li. "Rat Neuropeptidomics by LC−MS/MS and MALDI−FTMS: Enhanced Dissection and Extraction Techniques Coupled with 2D RP-RP HPLC." Journal of Proteome Research 5, no. 12 (December 2006): 3368–75. http://dx.doi.org/10.1021/pr0603452.

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2

Kim, Junghyun, Jihyun Park, Wonyoung Yoo, and Jinsoo Seo. "Chroma Feature Abstraction using Multiscale 2D-FTM and N-gram for Cover Song Search." KIISE Transactions on Computing Practices 24, no. 6 (June 30, 2018): 318–23. http://dx.doi.org/10.5626/ktcp.2018.24.6.318.

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3

Hafiyyan, Qalbi, Azwa Nirmala, Murad MS, Sumiyattinah Sumiyattinah, Vivi Bachtiar, and Muhammad Yusuf Yusuf. "Application of Finite Difference Method in Simulating 2D Partial Dam-break Flow with an Obstacle." Indonesian Journal of Multidisciplinary Science 2, no. 12 (September 26, 2023): 4181–90. http://dx.doi.org/10.55324/ijoms.v2i12.609.

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A numerical model capable of simulating the dam-break flow is required to reduce the detrimental impact on the downstream area of the dam. This study aims to see how the characteristics and patterns of flow due to partial dam failure and the presence of an obstacle in the floodplain. In real life, the obstacle can be considered as a building. In this research, a model based on the FTCS method was developed with the addition of a Hansen numerical filter. This model is known as the FTCS-Hansen model. The Hansen filter in this study is used to enhance the numerical of the model and reduce oscillations due to shock waves. The FTCS-Hansen model simulates a 2D partial dam break with an obstacle. The simulation results are compared with other simulation results from previous studies. This comparison intends to see the performance of the FTCS-Hansen model. The results show good agreement between the FTCS-Hansen model and other numerical models. In addition, the complicated dam-break flow characteristics due to the presence of an obstacle (reflection and diffraction) can also be well captured by the FTCS-Hansen model.

4

Mellivera, Avis, Khilmi Zain, Mohammad Bagus Adityawan, Dhemi Harlan, Mohammad Farid, and Bagus Pramono Yakti. "Development of FTCS Artificial Dissipation for Dam Break 2D Modelling." Jurnal Teknik Sipil 27, no. 1 (April 14, 2020): 1. http://dx.doi.org/10.5614/jts.2020.27.1.1.

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5

Wang, Tao, Yinzhou Yan, Liye Zhu, Qian Li, Jing He, Xiaoxia Zhang, Xi Li, Xiaohua Zhang, Yongman Pan, and Yue Wang. "High-Performance Flexible Transparent Electrodes Fabricated via Laser Nano-Welding of Silver Nanowires." Crystals 11, no. 8 (August 21, 2021): 996. http://dx.doi.org/10.3390/cryst11080996.

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Silver nanowires (Ag-NWs), which possess a high aspect ratio with superior electrical conductivity and transmittance, show great promise as flexible transparent electrodes (FTEs) for future electronics. Unfortunately, the fabrication of Ag-NW conductive networks with low conductivity and high transmittance is a major challenge due to the ohmic contact resistance between Ag-NWs. Here we report a facile method of fabricating high-performance Ag-NW electrodes on flexible substrates. A 532 nm nanosecond pulsed laser is employed to nano-weld the Ag-NW junctions through the energy confinement caused by localized surface plasmon resonance, reducing the sheet resistance and connecting the junctions with the substrate. Additionally, the thermal effect of the pulsed laser on organic substrates can be ignored due to the low energy input and high transparency of the substrate. The fabricated FTEs demonstrate a high transmittance (up to 85.9%) in the visible band, a low sheet resistance of 11.3 Ω/sq, high flexibility and strong durability. The applications of FTEs to 2D materials and LEDs are also explored. The present work points toward a promising new method for fabricating high-performance FTEs for future wearable electronic and optoelectronic devices.

6

Putri, Putu Indah Dianti, Rifqi Fauzan Iskandar, Mohammad Bagus Adityawan, Hadi Kardhana, and Dian Indrawati. "2D Shallow Water Model for Dam Break and Column Interactions." Journal of the Civil Engineering Forum 6, no. 3 (September 16, 2020): 237. http://dx.doi.org/10.22146/jcef.54307.

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Dam break causes disastrous effects on the surrounding area, especially at the downstream, therefore, there is a need for accurate and timely predictions of dam break propagation to prevent both property damage and loss of life. This study aimed to determine the movement of dam-break flow in the downstream area by solving the Shallow Water Equations (SWE) or Saint Venant Equations which are based on the conservation of mass and momentum derived from Navier Stokes equation. The model was generated using a finite difference scheme which is the most common and simplest method for dam-break modeling while Forward Time Central Space (FTCS) numerical scheme was applied to simulate two-dimensional SWE. Moreover, the accuracy of the numerical model was checked by comparing its results with the analytic results of one-dimensional cases and a relatively small value of error was found in comparison to the analytic models as indicated with the RMSE values close to 0. The numerical to the two-dimensional models were also compared to a simple dam break in a flume and dam break with column interactions and the wave propagation in both cases was observed to become very close at a certain time. The model, however, used numerical filter (Hansen) to reduce the oscillations or numerical instability. The simulation and analysis, therefore, showed the ability of the numerical scheme of FTCS to resolve both cases of the simple dam break and dam break with column interactions in the Two-dimensional Shallow Water.

7

Abu Bakar, Zulzikry Hafiz, Jean-Pierre Bellier, Wan Zurinah Wan Ngah, Daijiro Yanagisawa, Ken-ichi Mukaisho, and Ikuo Tooyama. "Optimization of 3D Immunofluorescence Analysis and Visualization Using IMARIS and MeshLab." Cells 12, no. 2 (January 4, 2023): 218. http://dx.doi.org/10.3390/cells12020218.

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The precision of colocalization analysis is enhanced by 3D and is potentially more accurate than 2D. Even though 3D improves the visualization of colocalization analysis, rendering a colocalization model may generate a model with numerous polygons. We developed a 3D colocalization model of FtMt/LC3 followed by simplification. Double immunofluorescence staining of FtMt and LC3 was conducted, and stacked images were acquired. We used IMARIS to render the 3D colocalization model of FtMt/LC3 and further processed it with MeshLab to decimate and generate a less complex colocalization model. We examined the available simplification algorithm using MeshLab in detail and evaluated the feasibility of each procedure in generating a model with less complexity. The quality of the simplified model was subsequently assessed. MeshLab's available shaders were scrutinized to facilitate the spatial colocalization determination. Finally, we showed that QECD was the most effective method for reducing the polygonal complexity of the colocalization model without compromising its quality. In addition, we would recommend implementing the x-ray shader, which we found useful for visualizing colocalization. As 3D was found to be more accurate in quantifying colocalization, our study provides a novel and dependable method for rendering 3D models for colocalization analysis.

8

Henry, Jerome, Nicolas Montavont, Yann Busnel, Romaric Ludinard, and Ivan Hrasko. "A Geometric Approach to Noisy EDM Resolution in FTM Measurements." Computers 10, no. 3 (March 12, 2021): 33. http://dx.doi.org/10.3390/computers10030033.

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Metric Multidimensional Scaling is commonly used to solve multi-sensor location problems in 2D or 3D spaces. In this paper, we show that such technique provides poor results in the case of indoor location problems based on 802.11 Fine Timing Measurements, because the number of anchors is small and the ranging error asymmetrically distributed. We then propose a two-step iterative approach based on geometric resolution of angle inaccuracies. The first step reduces the effect of poor ranging exchanges. The second step reconstructs the anchor positions, starting from the distances of highest likely-accuracy. We show that this geometric approach provides better location accuracy results than other Euclidean Distance Metric techniques based on Least Square Error logic. We also show that the proposed technique, with the input of one or more known location, can allow a set of fixed sensors to auto-determine their position on a floor plan.

9

Yu, Kilho, Byoungwook Park, Geunjin Kim, Chang-Hyun Kim, Sungjun Park, Jehan Kim, Suhyun Jung, et al. "Optically transparent semiconducting polymer nanonetwork for flexible and transparent electronics." Proceedings of the National Academy of Sciences 113, no. 50 (November 22, 2016): 14261–66. http://dx.doi.org/10.1073/pnas.1606947113.

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Simultaneously achieving high optical transparency and excellent charge mobility in semiconducting polymers has presented a challenge for the application of these materials in future “flexible” and “transparent” electronics (FTEs). Here, by blending only a small amount (∼15 wt %) of a diketopyrrolopyrrole-based semiconducting polymer (DPP2T) into an inert polystyrene (PS) matrix, we introduce a polymer blend system that demonstrates both high field-effect transistor (FET) mobility and excellent optical transparency that approaches 100%. We discover that in a PS matrix, DPP2T forms a web-like, continuously connected nanonetwork that spreads throughout the thin film and provides highly efficient 2D charge pathways through extended intrachain conjugation. The remarkable physical properties achieved using our approach enable us to develop prototype high-performance FTE devices, including colorless all-polymer FET arrays and fully transparent FET-integrated polymer light-emitting diodes.

10

Laussac, J. P., P. Demange, and M. T. Cung. "Zinc in immune function: The case of thymulin (FTS-Zn) and bestatin. A 2D-NMR approach." Journal of Inorganic Biochemistry 36, no. 3-4 (August 1989): 257. http://dx.doi.org/10.1016/0162-0134(89)84325-9.

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Більше джерел

Дисертації з теми "2D FTMS":

1

Abou, Dib Anthony. "Methodological development in FT-ICR MS for the analysis of bio-oils produced by pyrolysis of lignocellulosic biomass." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0060.

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L'utilisation de combustibles fossiles tels que le gaz et le pétrole n'est pas durable. En réalité, les réserves diminuent alors que la population mondiale augmente ainsi que la demande en énergie. Pour surmonter ce problème, des technologies alternatives et plus durables doivent être développées. Parmi les voies renouvelables existantes, la biomasse ligno-cellulosique est une ressource prometteuse. Ce matériau est principalement composé de cellulose, d'hémicelluloses et de lignine. La biomasse peut être convertie en une bio-huile qui peut ensuite être transformée en un biocarburant ou en produits chimiques pour les industries pétrochimiques. Cette ressource est principalement basée sur les sous-produits de l'industrie du bois ou de l'agriculture et n'a donc pas d'impact sur les denrées alimentaires, tant pour l'homme que pour le bétail, ni d'influence sur les surfaces de culture. Avant d'être considéré au niveau industriel, le procédé de pyrolyse doit être parfaitement compris et optimisé afin de produire des composés valorisables avec une bonne sélectivité. En effet, leur utilisation directe est réduite par la complexité importante des mélanges obtenus et la teneur élevée en oxygène des constituants. En conséquence, il est nécessaire de faire subir à ces bio-huiles des traitements catalytiques de désoxygénation et/ou de craquage. Afin de déterminer quels sont les traitements catalytiques les mieux adaptés, la connaissance aussi précise que possible de la composition de ces bio-huiles est requise. L'approche non ciblée de type pétroléomique est parfaitement adaptée et a montré, notamment dans le cadre de la thèse de Jasmine Hertzog, tout son potentiel en combinant l'utilisation de la spectrométrie de masse à résonance cyclotronique des ions à transformée de Fourier (FT ICR–MS) en association avec les sources d'ionisation par électro-nébulisation (ESI), désorption/ionisation laser (LDI) et photo-ionisation à pression atmosphérique (APPI) pour permettre la détection sensible de composés polaires, aromatiques et apolaires. Cette approche assure une analyse exhaustive de la composition chimique d'un mélange complexe mais souffre néanmoins de certaines faiblesses. Il n'est en effet pas possible d'obtenir d'informations quantitatives ou semi-quantitatives ni d'éléments de structure. Ces informations sont importantes pour pouvoir adapter finement les traitements catalytiques des bio-huiles brutes afin d'en accroitre l'efficacité mais également pour déterminer les espèces réfractaires et en améliorer la conversion. Les obtenir par l'emploi de méthodes de spectrométrie de masse avancées constituent les objectifs principaux de ce projet doctoral
The use of fossil fuels such as gas and oil is not sustainable. In reality, reserves are shrinking as the world's population increases as well as the demand for energy. To overcome this problem, alternative and more sustainable technologies need to be developed. Among existing renewable pathways, ligno-cellulosic biomass is a promising resource. This material is mainly composed of cellulose, hemicelluloses and lignin. Biomass can be converted into a bio-oil that can then be converted into a biofuel or chemicals for the petrochemical industries. This resource is mainly based on by-products of the wood industry or agriculture and therefore has no impact on food, both for humans and livestock, nor has any influence on the growing area. Before being considered at the industrial level, the pyrolysis process must be fully understood and optimized in order to produce valuable compounds with good selectivity. Indeed, their direct use is reduced by the high complexity of the mixtures obtained and the high oxygen content of the constituents. As a result, it is necessary to subject these bio-oils to catalytic treatments of deoxygenation and/or cracking. In order to determine which catalytic treatments are best suited, as precise a knowledge as possible of the composition of these bio-oils is required. The non-targeted petroleum-type approach is perfectly suited and has shown, particularly within the framework of Jasmine Hertzog's thesis, its full potential by combining the use of cyclotronic-reactive mass spectrometry of Fourier's processed ions (FT ICR-MS) in association with sources of electronebulization ionization (ESI), laser desorption/ionization (LDI) and atmospheric pressure photo-ionization (APPI) apolar. This approach provides a comprehensive analysis of the chemical composition of a complex mixture, but still suffers from certain weaknesses. It is not possible to obtain quantitative or semi-quantitative information or structural elements. This information is important to be able to fine-tune the catalytic treatments of raw bio-oils in order to increase their effectiveness but also to identify refractory species and improve their conversion. Obtaining them through the use of advanced mass spectrometry methods are the main objectives of this doctoral project

2

Nakata, Michael Takeshi. "Simulating the FTICR-MS Signal of a Decaying Beryllium-7 Ion Plasma in a 2D Electrostatic PIC Code." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3370.pdf.

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Частини книг з теми "2D FTMS":

1

Schweiger, Arthur, and Gunnar Jeschke. "Spectral analysis." In Principles of Pulse Electron Paramagnetic Resonance, 93–120. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198506348.003.0005.

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Abstract Many pulse EPR experiments are performed by directly or indirectly detecting the free evolution of coherence. The resulting time-domain data contain information on the transition frequencies as we have seen in §§2.2 and 4.2.3. In this chapter we explain how a spectrum is obtained from such time-domain data by FT. For the case of direct detection of the FID after a single pulse it is demonstrated from linear response theory that the spectrum is equivalent to a c.w. EPR spectrum, and the interconversion between these two types of spectra is discussed. Quantum-mechanical response theory provides analogous results for multiple pulse experiments. Two-dimensional FT is introduced as a method for the data analysis of experiments which correlate the frequencies of different transitions in a spin system by using two variable time intervals. Both the ID and 2D FTs of discrete time-domain data are discussed with particular emphasis on artifacts due to experimental imperfections and methods for their suppression. The chapter concludes with a survey of alternatives to the FT for the analysis of time-domain data.

Тези доповідей конференцій з теми "2D FTMS":

1

Salazar, Victor, Krisna Venkatesan, Fei Han, Samuel Wonfor, Mitchell Passarelli, Andy Zheng, and Adam Steinberg. "Acoustic and Optical Flame Transfer Function Measurements in a High-Pressure Lean-Burn Aero-Engine Combustor Fueled With Jet A." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-103222.

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Abstract This paper reports flame transfer function (FTF) measurements obtained in a high-pressure lean-burn aero-engine combustor using acoustic and optical methods. A liquid fueled lean premixed pre-vaporized combustor was operated at various combustor fuel air ratios (FAR) relevant for supersonic transport. A high-pressure siren was employed to modulate the combustor inlet air flow at frequencies ranging from 30Hz up to 1050Hz. Acoustic FTFs were obtained via multi-microphone method using signals from multiple dynamic pressure sensors. Optical FTFs were obtained simultaneously with acoustic measurements by imaging OH*, CH* and C2* chemiluminescence from the combustor., Specifically, line-of-sight chemiluminescence signal for each species was collected with a fiber optic probe and imaged onto photomultiplier tubes with 10nm bandpass filters centered at 310nm, 430nm and 515nm, respectively. Complementary 2D high speed OH* chemiluminescence images were also acquired using a high-speed camera to gain insight into the flame dynamics and support the interpretation of the FTF findings. A comparison of FTFs using the acoustic and optical methods show good agreement in phases and magnitude trends. The measured FTFs show significant variations with varying fuel-air ratios at various frequency ranges confirming a strong dependency of FTFs with flame shapes.

2

Erskine, D. "Externally dispersed interferometer: Implementation on a 2d echelle spectrograph." In Fourier Transform Spectroscopy. Washington, D.C.: OSA, 2003. http://dx.doi.org/10.1364/fts.2003.fmd20.

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3

Mojena, D., C. Lopez-Serrano, N. Lopez-Ruiz, J. L. Jorcano, and P. Acedo. "Optical Real-time Oxygen Monitoring in 2D Tissues." In Fourier Transform Spectroscopy. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/fts.2019.jth2a.26.

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4

Palmer, Carl A., Royce L. Abel, and Peter Sandvik. "Application of Silicon Carbide Photodiode Flame Temperature Sensors in an Active Combustion Pattern Factor Control System." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59023.

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This paper describes the development and initial application studies for an active combustion pattern factor controller (APFC) for gas turbines. The system is based around use of a novel silicon carbide (SiC) optical ultraviolet (UV) dual diode flame temperature sensor (FTS) developed by General Electric’s Global Research Center and GE Energy. The APFC system determines combustion flame temperatures, validates the values, and integrates an assessment of signal and combustion hardware health to determine how to trim the fuel flow to individual fuel nozzles. Key aspects of the system include: • Determination of each flame’s bulk temperature using the FTS. • Assessment of the reliability of the flame temperature data and physical combustion hardware health through analysis of the high frequency output of the sensor. • Validation of the flame temperature signal using a data-driven approach (model based validation - MBV). • Fusion of sensor ‘health indices’ into the APFC to alter the trim control signal based on the health (or ‘believability’) of each sensor and fuel nozzle/combustor. • Fault-tolerant peak/valley detection and control module that selects individual fuel valves to target for reducing pattern factor, while simultaneously balancing the overall fuel flow. The authors demonstrated feasibility of the approach by performing simulations using a quasi-2D T700 turbine engine model. Tests were run on the simulated platform with no faults, simulated sensor faults, and on a system with underlying combustion hardware issues. The final APFC system would be applicable for aviation, naval and land-based commercial gas turbines, and can be used in closed-loop control or adapted as an open-loop advisory / diagnostic system.

5

Tirelli, Cecilia, Simone Ceccherini, Ugo Cortesi, Samuele Del Bianco, Quentin Errera, Bernd Funke, Michael Höpfner, et al. "Potential Advantages Coming from the Synergy Between Products by Limb and Nadir Imaging Fourier Transform Spectrometers: 2D Data Fusion of CAIRT, IASI-NG (and Sentinel 5) Simulated Data." In Fourier Transform Spectroscopy. Washington, D.C.: Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fts.2023.ftu5b.5.

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We study potential advantages coming from the exploitation of the synergy between limb and nadir measurements from Imaging Fourier Transform Spectrometers with the rigorous approach of the two-dimensional complete data fusion.