Academic literature on the topic 'AC temperature'

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Journal articles on the topic "AC temperature"

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Nguyen, Doan N., Pamidi V. P. S. S. Sastry, David C. Knoll, and Justin Schwartz. "Temperature Dependence of Total AC Loss in High-Temperature Superconducting Tapes." IEEE Transactions on Applied Superconductivity 19, no. 4 (2009): 3637–44. http://dx.doi.org/10.1109/tasc.2009.2015462.

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A versatile experimental facility was designed and set up to measure transport ac losses, magnetization ac losses, and total ac losses in high-temperature superconductors at variable temperatures. Several sets of measurements were carried out in the temperature range of 35 K to 100 K. Sample temperature during the measurements could be controlled within plusmn0.5 K of set temperature. Temperature dependence of transport losses reflects variation of critical current density of the tapes with temperature. Temperature dependence of magnetization losses exhibits an interesting behavior with a peak
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Raad, Lutfi, Stephan Saboundjian, Peter Sebaaly, and Jon Epps. "Thermal Cracking Models for AC and Modified AC Mixes in Alaska." Transportation Research Record: Journal of the Transportation Research Board 1629, no. 1 (1998): 117–26. http://dx.doi.org/10.3141/1629-14.

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Low-temperature cracking is a major distress mode in Alaskan pavements because of the extreme temperature conditions—which range, in some instances, from about −50°C in winter to more than 40°C in summer. The use of asphalt modifiers in Alaskan pavements occurred over the past 15 years. These modifiers include Styrene-Butadiene-Styrene polymers, Styrene-Butadiene-Rubber polymers, ULTRAPAVE, and CRM [both the dry process (PlusRide) and the wet process]. Field observations and laboratory studies in Alaska and elsewhere indicate that the use of these modifiers would improve the low-temperature cr
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Shao, Lisheng, Sun Woo Park, and Y. Richard Kim. "Simplified Procedure for Prediction of Asphalt Pavement Subsurface Temperatures Based on Heat Transfer Theories." Transportation Research Record: Journal of the Transportation Research Board 1568, no. 1 (1997): 114–23. http://dx.doi.org/10.3141/1568-14.

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Surface deflection measurements and backcalculation of layer moduli in flexible pavements are significantly affected by the temperature of the asphalt concrete (AC) layer. Correction of deflections or backcalculated moduli to a reference temperature requires determination of an effective temperature of the AC layer. For routine deflection testing and analysis in state highway agencies, it is preferable, from a practical point of view, to use a nondestructive prediction method for determining the effective AC layer temperature instead of measuring the temperature directly from a small hole dril
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ABBOUDY, S., K. ALFARAMAWI, and L. ABULNASR. "AC HOPPING CONDUCTION IN LIGHTLY DOPED InP AT LOW TEMPERATURES." Modern Physics Letters B 28, no. 01 (2013): 1450002. http://dx.doi.org/10.1142/s021798491450002x.

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In this paper, AC measurements on lightly doped n- InP were carried out as a function of temperature down to about 16 K and at frequencies in the range from 120 Hz up to 105 Hz. The AC conductivity at low temperatures is of a single hopping nature following the universal law; σ(ω) ~ ωs, where the exponent, s, is temperature-independent. At relatively high temperatures (but still below the room temperature) the AC conductivity is of a multiple hopping nature.
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Xu, Haowen, Lei Li, Yu Yao, Huajiang Yan, Jiahong Jin, and Junda Ma. "Research on the adjustable range of air conditioner setting temperature considering user comfort." Journal of Physics: Conference Series 2788, no. 1 (2024): 012043. http://dx.doi.org/10.1088/1742-6596/2788/1/012043.

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Abstract Traditional air conditioner (AC) temperature control typically sets temperature goals or establishes a uniform temperature range without considering industrial characteristics and user comfort preferences. As a result, users cannot achieve differentiated and precise control. This paper proposes a data-driven approach to predict the range of AC set temperatures under the constraint of user comfort. Firstly, a random forest feature importance screening method is employed to extract key factors influencing AC set temperatures. Secondly, a convolutional neural network (CNN) model is const
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Kitaneh, Rushdi, Abdelkarim Saleh, and Robert Gould. "Ac electrical parameters of Al-ZnPc-Al organic semiconducting films." Open Physics 4, no. 1 (2006): 87–104. http://dx.doi.org/10.1007/s11534-005-0008-4.

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AbstractThe ac electrical parameters of thermally evaporated zinc phthalocyanine, ZnPc, semiconducting thin films was measured in the temperature range of 180–390 K and frequency between 0.1 and 20 kHz. Aluminum electrode contacts were utilized to sandwich the organic ZnPc semiconducting films. Capacitance and loss tangent decreased rapidly with frequency at high temperatures, but at lower temperatures a weak variation is observed. An equivalent circuit model assuming ohmic contacts could qualitatively and successfully explains capacitance and loss tangent behavior.The ac conductivity showed s
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Sahu, A. K., S. K. Satpathy, and Banarji Behera. "Dielectric and frequency-dependent transport properties of lanthanum-doped bismuth ferrite." Journal of Advanced Dielectrics 09, no. 04 (2019): 1950031. http://dx.doi.org/10.1142/s2010135x19500310.

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Polycrystalline samples of Bi[Formula: see text]LaxFeO3 [[Formula: see text], 0.6, 0.7 and 0.8] were synthesized through high temperature solid state reaction method. The structural studies of the compounds were done using X-ray diffraction technique. Dielectric constant and dielectric loss were studied for various frequencies (100[Formula: see text]Hz–104[Formula: see text]Hz) at different temperatures. The temperature-dependent non-Debye type relaxation process was suggested in the materials from the analysis of frequency-dependent electrical data at different temperatures. Temperature depen
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Indradewa Andrianto Putra, Ary Setyawan, and Djoko Sarwono. "Analisis Indeks Workabilitas pada Campuran Asphalt Concrete dengan Asbuton B 50/30." JURAL RISET RUMPUN ILMU TEKNIK 2, no. 2 (2023): 137–47. http://dx.doi.org/10.55606/jurritek.v2i2.2075.

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The majority of road construction in Indonesia uses flexible pavement, namely Asphalt Concrete (AC). Therefore, to meet the need for asphalt, Asbuton was carried out. This research aims to determine the effect of Asbuton content, mixing temperature, and compaction temperature on the workability index value. Therefore, research was carried out regarding the workability of the AC-WC mixture with Asbuton B 50/30
 The preparation of test objects was carried out using the dry mixing method. The Asbuton content used was 10% and 15% and the mixing temperature was varied, namely 160⁰ C, 170⁰ C, 1
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Li, Jun, Ting Peng, Long Cheng, and Xiaoling Wang. "An Infrared Image Based Asphalt Temperature Separation Evaluation Model." Journal of Physics: Conference Series 2185, no. 1 (2022): 012087. http://dx.doi.org/10.1088/1742-6596/2185/1/012087.

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Abstract This article points out the shortcomings of the NACT assessment index based on infrared images. In order to develop a new method for evaluating temperature separation, this article proposes two influencing factors, namely, a different temperature interval and a low temperature zone based on NACT temperature difference. For the temperature interval, three kinds of asphalt mixtures, AC-13, AC-16 and AC-20, are used to study the change of void ratio at different molding temperatures and obtain the temperature separation evaluation method based on the difference of void ratio in the inter
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Popielarski, Pawel, Waclaw Bala, and Kazimierz Paprocki. "Admittance and Photoadmittance Spectroscopy of Zinc Oxide Layers Grown on p-Si Substrates by Spin Coating Method." Solid State Phenomena 200 (April 2013): 27–32. http://dx.doi.org/10.4028/www.scientific.net/ssp.200.27.

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In this work, the dielectric response of ZnO thin films has been studied over a temperature range of 200 K - 550 K. The dielectric response of polycrystalline ZnO thin films in the frequency domain was measured from 42 Hz - to 5 MHz with a small AC signal amplitude at different temperatures. Influence of the light on conductivity has been also investigated. A universal power law relation was brought into picture to explain the frequency dependence of AC conductivity. The temperature dependence of AC conductivity was analyzed in detail. The activation energy obtained from the temperature depend
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Dissertations / Theses on the topic "AC temperature"

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Ainslie, Mark Douglas. "Transport AC loss in high temperature superconducting coils." Thesis, University of Cambridge, 2012. https://www.repository.cam.ac.uk/handle/1810/244077.

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In this dissertation, the problem of calculating and measuring AC losses in superconducting coils is addressed, with a particular focus on the transport AC loss of coils for electric machines. In order to model the superconducting coil's electromagnetic properties and calculate the AC loss, an existing two dimensional (2D) finite element model that implements a set of equations known as the H formulation, which directly solves the magnetic field components in 2D, is extended to model a superconducting coil, where the cross-section of the coil is modelled as a 2D stack of superconducting coated
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Salim, Maan. "The AC magnetic susceptibility of high temperature superconductors." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270233.

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Farrokhpanah, Sonia. "Design of heat integrated low temperature distillation systems." Thesis, University of Manchester, 2009. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:228854.

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This work addresses the challenges in design of heat integrated low-temperature separation processes. A novel, systematic and robust methodology is developed, which contributes to the design practice of heat-integrated separation sequence and the refrigeration system in the context of low-temperature separation processes. Moreover, the methodology exploits the interactions between the separation and refrigeration systems systematically in an integrated design context. The synthesis and optimisation of heat-integrated separation processes is complex due to the large number of design options. In
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Rotaru, Mihai Dragos. "Modelling and computation of AC fields and losses in high temperature superconductors." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326795.

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Chen, Yiran. "AC loss analysis and measurement of second generation high temperature superconductor racetrack coils." Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648818.

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Shen, Boyang. "Study of second generation high temperature superconductors : electromagnetic characteristics and AC loss analysis." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/276688.

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This thesis presents a novel study on Second Generation High Temperature Superconductors, which covers their electromagnetic characteristics and AC loss analysis. Lorentz Force Electrical Impedance Tomography (LFEIT) is one of the most promising hybrid diagnostic scanners with burgeoning potential for biological imaging, particularly in the detection of cancer and internal haemorrhages. The author tried a novel combination of superconducting magnets together with the LFEIT system. The reason is that superconducting magnets can generate a magnetic field with high intensity and homogeneity, whic
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Godfrin, Aurélien [Verfasser]. "AC Losses in High-Temperature Superconductor Tapes and Cables for Power Applications / Aurélien Godfrin." Karlsruhe : KIT-Bibliothek, 2021. http://d-nb.info/1230475729/34.

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Roberge, Douglas M. "Experimental crack length measurement under variable temperature using a thin film AC potential difference technique." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq23477.pdf.

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Bracanovic, Darko. "Ac susceptibility and resistivity studies of YBa←2Cu←3O←7←-←#delta# high-temperature superconductors." Thesis, University of Southampton, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302027.

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Pei, Ruilin. "Measurement and analysis of critical current and AC loss of HTS tapes in a superconducting machine." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609019.

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Books on the topic "AC temperature"

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Mohseni, Alaeddin. LTPP seasonal asphalt concrete (AC) pavement temperature models. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Mohseni, Alaeddin. LTPP seasonal asphalt concrete (AC) pavement temperature models. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Yeshurun, Yosef. Hashpaʻah shel śadeh magneṭi ṿe-/o zerem ḥilufin ʻal hitnahagut shel selil molikh-ʻal be-ṭemperaṭurot gevohot: Duaḥ mesakem = The influence of ac current and/or ac field on the behavior of HTS coil and wires and coils. Miśrad ha-tashtiyot ha-leʼumiyot, Agaf meḥḳar u-fituaḥ, 2001.

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Shen, Boyang. Study of Second Generation High Temperature Superconductors: Electromagnetic Characteristics and AC Loss Analysis. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58058-2.

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Institution of Engineering and Technology. Thermal Power Plant Simulation and Control. IET, 2003.

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Sultan, Asad. A contribution to the AC losses of technical low temperature multifilament superconducting wires. 1995.

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Shen, Boyang. Study of Second Generation High Temperature Superconductors: Electromagnetic Characteristics and AC Loss Analysis. Springer International Publishing AG, 2021.

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Shen, Boyang. Study of Second Generation High Temperature Superconductors: Electromagnetic Characteristics and AC Loss Analysis. Springer International Publishing AG, 2020.

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(Editor), M. Parans Paranthaman, and Venkat Selvamanickam (Editor), eds. Flux Pinning and AC Loss Studies on YBCO Coated Conducters. Nova Science Pub Inc, 2007.

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Narlikar, Anant. AC Losses and Flux Pinning and Formation of Stripe Phase (Studies of High Temperature Superconductors, Volume 33). Nova Science Publishers, 2000.

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Book chapters on the topic "AC temperature"

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Lammerink, T. S. J., N. R. Tas, J. W. van Honschoten, G. J. M. Krijnen, J. J. van Baar, and M. Elwenspoek. "AC-Driven Temperature-Balance Flow Sensor." In Transducers ’01 Eurosensors XV. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59497-7_335.

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Dew-Hughes, David, and Malcolm McCulloch. "The Application of High Temperature Superconductors in Brushless Ac Machines." In High Temperature Superconductivity 2. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07764-1_3.

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Wilhelm, Heribert. "AC-Calorimetry at High Pressure and Low Temperature." In Advances in Solid State Physics. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-44838-9_63.

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Mahapatra, Souvik. "A Comprehensive Modeling Framework for DC and AC NBTI." In Bias Temperature Instability for Devices and Circuits. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7909-3_14.

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Aized, D., E. C. Jones, G. Snitchler, J. Campbell, A. P. Malozemoff, and R. E. Schwall. "AC Loss Measurements on Multifilamentary BSCCO 2223 High-Temperature Superconductors." In Advances in Cryogenic Engineering Materials. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4757-9059-7_77.

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Mahapatra, Souvik, Narendra Parihar, Nilesh Goel, Nilotpal Choudhury, Tarun Samadder, and Uma Sharma. "BAT Framework Modeling of AC NBTI: Stress Mode, Duty Cycle and Frequency." In Recent Advances in PMOS Negative Bias Temperature Instability. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-6120-4_14.

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Busse, F., R. Nebel, P. Seidel, P. Herzog, and K. Kopitzki. "An Extended RSJ-Model Describing AC Josephson Effects of Granular Superconductors." In Physics and Materials Science of High Temperature Superconductors, II. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2462-1_4.

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Zannella, S., L. Martini, I. Natali Sora, et al. "Ac Self-Field Losses in Bi-Sr-Ca-Cu-O Superconducting Wires." In Physics and Materials Science of High Temperature Superconductors, II. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2462-1_41.

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Goel, Nilesh, and Souvik Mahapatra. "Modeling of DC and AC NBTI Degradation and Recovery for SiON and HKMG MOSFETs." In Fundamentals of Bias Temperature Instability in MOS Transistors. Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2508-9_6.

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Zhang, Xuenan, Wei Shi, Tian Han, and Yangmei Zhao. "Multi-stage AC Low-Temperature Heating Strategy for Lithium-Ion Battery." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1870-4_125.

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Conference papers on the topic "AC temperature"

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Mandurrino, M., M. Da Rocha Rolo, A. Rivetti, and L. Pancheri. "New frontiers of high-efficiency 4D particle tracking with monolithic AC-LGADs." In 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD). IEEE, 2024. http://dx.doi.org/10.1109/nss/mic/rtsd57108.2024.10655115.

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Hesjevik, S. M., and Stein Olsen. "Direct Electric Heating on Subsea Pipelines a Challenge to Corrosion Protection." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06178.

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Abstract The direct electric heating system is used to keep the temperature above the hydrate temperature during shutdown of pipelines. There is a potential for AC corrosion due to transfer of current from the pipe to the sea. AC corrosion testing has been undertaken to define the criteria for the CP design to prevent corrosion. Test results at different AC densities are given. The results from the testing have been used to define the maximum allowable distance between neighboring sacrificial anodes. For the actual cases the AC corrosion has been determining for the anode spacing.
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Su, Peng, Zhibin Zhao, Peng Sun, Yumeng Cai, Qingxin Meng, and Zezhou Chang. "Frequency and Temperature Performance Comparison on the AC BTI of Commercial SiC MOSFETs." In 2024 6th International Conference on Energy, Power and Grid (ICEPG). IEEE, 2024. https://doi.org/10.1109/icepg63230.2024.10775729.

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Olowu, Temitayo O., Amey Shigrekar, Micah J. Casteel, Ning Kang, Jeremy L. Hartvigsen, and Tyler L. Westover. "Analysis of AC-DC Converters for Grid-tied High Temperature Steam Electrolysis Systems." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10861685.

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Mandal, Sarbani, Shaurya Pandey, Bikash Sah, Sai Krishna Mulpuri, and Praveen Kumar. "Investigating Temperature Variations in AC Impedance with an Indigenously Developed EIS Test-Bed." In 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2024. https://doi.org/10.1109/pedes61459.2024.10960993.

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Chen, Susheng. "Temperature rise verification of electric vehicle AC charging pile with solar irradiation effects." In International Conference on Energy Technology and Electrical Power (ETEP24), edited by Jiashen Teh and Gen Li. SPIE, 2025. https://doi.org/10.1117/12.3064960.

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Yonezawa, Shingo, and Yoshiteru Maeno. "Possible Superconductivity in Ag5Pb2O6 Probed by AC Susceptibility." In LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. AIP, 2006. http://dx.doi.org/10.1063/1.2354890.

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Cunningham, M. F., J. N. Ullom, T. Miyazaki, et al. "DC and AC biasing of a transition edge sensor microcalorimeter." In LOW TEMPERATURE DETECTORS: Ninth International Workshop on Low Temperature Detectors. American Institute of Physics, 2002. http://dx.doi.org/10.1063/1.1457654.

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Mahdi, A. E. "AC losses in high-temperature superconductors." In IEE Colloquium on `Practical Applications of High Temperature Superconductors'. IEE, 1995. http://dx.doi.org/10.1049/ic:19950622.

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Fisher, L. M., A. V. Kalinov, I. F. Voloshin, and V. A. Yampol’skii. "Suppression of Magnetic Relaxation Processes by a Transverse ac Magnetic Field." In LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. AIP, 2006. http://dx.doi.org/10.1063/1.2354948.

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Reports on the topic "AC temperature"

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Ramakrishnan, Aravind, Ashraf Alrajhi, Egemen Okte, Hasan Ozer, and Imad Al-Qadi. Truck-Platooning Impacts on Flexible Pavements: Experimental and Mechanistic Approaches. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-038.

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Truck platoons are expected to improve safety and reduce fuel consumption. However, their use is projected to accelerate pavement damage due to channelized-load application (lack of wander) and potentially reduced duration between truck-loading applications (reduced rest period). The effect of wander on pavement damage is well documented, while relatively few studies are available on the effect of rest period on pavement permanent deformation. Therefore, the main objective of this study was to quantify the impact of rest period theoretically, using a numerical method, and experimentally, using
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Shen, Bo. Low-GWP Refrigerant Evaluation in AC Systems for High Ambient Temperature Applications - Literature Survey for Impact of Varying Refrigerant Charge on AC System Performance. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1471924.

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Shen, Bo. Low-GWP Refrigerant Evaluation in AC Systems for High Ambient Temperature Applications - Design and Simulation Practice to Identify Charge Reduction Opportunities for Residential AC/HP Units. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1474593.

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Cauble, R., and W. Rozmus. Analytic formulation for the ac electrical conductivity in two- temperature, strongly coupled, overdense plasma: FORTRAN subroutine. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10139521.

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Phisalaphong, Muenduen. Development and characterization of activated carbon derived from bacterial cellulose (Year 2). Faculty of Engineering, Chulalongkorn University, 2018. https://doi.org/10.58837/chula.res.2018.82.

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Bacterial cellulose (BC) was investigated as a novel material for preparing activated carbons. BC was dried by heating and it was carbonized with a chemical activation process using phosphoric acid (H₃PO₄) as an activating agent at different temperatures (400, 500 and 600 °C). The properties of the activated carbons were characterized such as chemical property, structure, pore size, thermal property by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), N₂ -physisorption (BET), scanning electron microscopy (SEM) , thermal gravimetric (TGA). The obtained BC activated carbo
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Tipton, C. W., Stephen B. Bayne, Charles J. Scozzie, Timothy Griffin, and Bruce Geil. High-Temperature, 400 W, DC-to-AC Inverter Using Silicon Carbide Gate Turn- Off Thyristors and p-i-n Diodes. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada420015.

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Sreethawong, Thammanoon. Natural gas reforming to hydrogen energy in low temperature plasma system : report. Chulalongkorn University, 2009. https://doi.org/10.58837/chula.res.2009.81.

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The effect of stage number of multistage AC gliding arc discharge reactors on the process performance ofthe combined reforming and partial oxidation of simulated CO₂-containing natural gas having a CH₄:C₂H₆:C₃H₈:C0₂ molar ratio of 70:5:5:20 was investigated. For the experiments with partial oxidation, either pure oxygen or air was used as the oxygen source with a fixed hydrocarbon-to-oxygen molar ratio of 211. Without partial oxidation at a constant feed flow rate, all conversions of hydrocarbons, except CO₂, greatly increased with increasing number of stages from 1 to 3; but · beyond 3 stages
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Das and He. PR-015-143601-Z01 Drying Time of Residual Hydrotest Water in Crevices and Dead Legs. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010852.

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The objective of this project was to evaluate the effectiveness of the dewatering process after hydrotesting and to examine the internal corrosion threat posed by residual water trapped in crevices and water pushed into a dead leg. A "time to dry" calculation for both cases was conducted based on pipeline operating conditions. Analysis of the evaporation of water trapped in crevices indicated that maintaining low pressures and high temperatures are the most effective measures for drying the trapped water. At the lowest pressure of 14.7 psi and at 100 �F, trapped water can be dried in days. At
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Albright, Jeff, Kim Struthers, Lisa Baril, and Mark Brunson. Natural resource conditions at Valles Caldera National Preserve: Findings & management considerations for selected resources. National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2293731.

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Valles Caldera National Preserve (VALL) encompasses 35,977 ha (88,900 ac) in the Jemez Mountains of north-central New Mexico and is surrounded by the Santa Fe National Forest, the Pueblo of Santa Clara, and Bandelier National Monument. VALL’s explosive volcanic origin, about 1.23 million years ago, formed the Valles Caldera—a broad, 19- to 24-km (12- to 15-mi) wide circular depression. It is one of the world’s best examples of a young caldera (in geologic time) and serves as the model for understanding caldera resurgence worldwide. A series of resurgent eruptions and magmatic intrusive events
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Baumgartner, Franz, Cyril Allenspach, Ebrar Özkalay, et al. Performance of Partially Shaded PV Generators Operated by Optimized Power Electronics 2024. Edited by Ulrike Jahn. International Energy Agency Photovoltaic Power Systems Programme, 2024. https://doi.org/10.69766/leof5152.

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Inhomogeneous shading on the PV generator leads to disproportionately high losses. As the potential of PV generation on roofs or façades is to be increasingly utilised in the coming decades, these cases will occur more frequently. The aim here is to provide an overview of the challenges and state-of-the-art technical solutions for partial shading. Current developments in PV engineering show that maximum performance lies in the combination between optimised module placement, the use of modules that are tolerant of shading and optimised power electronics. Shortly after the discovery of the solar
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