Relevant bibliographies by topics / Blocking ratio

Contents

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

Academic literature on the topic 'Blocking ratio'

Author: Grafiati
Published: 7 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Blocking ratio"

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Feng, Xiangzhou, and Xiqiao Huang. "Influence of Variable Blocking Ratio on DDT Process." Energies 15, no. 20 (2022): 7706. http://dx.doi.org/10.3390/en15207706.

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The influence of a variable blocking ratio on the DDT process is investigated through numerical simulation and experiment. Two dimensionless parameters, the average blocking ratio (BR¯) and the blocking ratio change rate (α), are specified to characterize the blocking ratio of obstacles. Four arrangements are utilized to describe the variation trend of the blocking ratio in a combustor. The main results are as follows: The obstacles can stretch the flame surface and facilitate reflection and diffraction of shock waves, which causes the acceleration of the flame front. The “hot spot” plays a vi
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Goudarzi, Sobhan, Ryan M. Jones, Yin H. W. Lee, and Kullervo Hynynen. "Transducer module apodization for reducing bone heating during focused ultrasound uterine fibroid ablation." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A140. http://dx.doi.org/10.1121/10.0027087.

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During MR-guided focused ultrasound (MRgFUS) for uterine fibroids, thermoablation of tissue near spine/hips is challenging due to bone heating that can cause patient pain and potentially damage nerves. Here we investigate transducer module apodization for maximizing the focal-to-bone heating ratio (ΔT ;ratio) in silico using a 6144-element flat fully populated phased array operating at 0.5 MHz (Arrayus Technologies, Inc.). Acoustic and thermal simulations were performed using anatomies of ten patients who underwent MRgFUS ablation for uterine fibroids with this device as part of a clinical tri
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Cheng, Chi-Hao. "Dynamic channel blocker/equalizer with high blocking extinction ratio." Optical Engineering 47, no. 2 (2008): 025003. http://dx.doi.org/10.1117/1.2841045.

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Lin, Ying-Dar, Chun-Nan Lu, Jose Miguel Sagastume, Jui-Tsun Hung, and Yuan-Cheng Lai. "On Event Reproduction Ratio in Stateless and Stateful Replay of Real-World Traffic." Journal of Communications Software and Systems 9, no. 4 (2013): 212. http://dx.doi.org/10.24138/jcomss.v9i4.142.

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Capturing and replaying network flows are important for testing network devices. Replayed traffic should reproduce effects similar to live traffic. This work presents methods to measure the event reproduction ratio, and studies the effectiveness of stateless and stateful traffic replayers based on the events triggered by packets and connections. We use two replayers, SocketReplay and Tcpreplay, and a networking device supporting security services. SocketReplay is a stateful replayer which keeps the state of a connection during replay, while Tcpreplay is a stateless replayer that ignores the co
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Wang, Chao Cheng, Hui Qi Ren, and Hai Lu Wang. "Study on the Obstruction Effect for a Large Explosion Shock Wave Tube Used the Ideal Nozzle Theory." Applied Mechanics and Materials 378 (August 2013): 87–90. http://dx.doi.org/10.4028/www.scientific.net/amm.378.87.

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This paper presents a calculation on the obstruction effects for the given large explosion shock wave tube using the ideal nozzle the theory. The relationship among Mach number, Mach number ratio, dynamic pressure ratio in the nozzle throat and blocking area ratio are established according to the fundamental equations of one-dimensional steady flow, which can be taken as the reference of blocking limit design.
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Park, Ji-Koon, In-Chan Yoon, Su-Rim Choi, Ju-Sun Yoon, Young-Kyu Lee, and Sang-Sik Kang. "Study on Improvement of Signal to Noise Ratio for HgI2Radiation Conversion Sensor Using Blocking Layer." Journal of the Korean Society of Radiology 5, no. 2 (2011): 97–101. http://dx.doi.org/10.7742/jksr.2011.5.2.097.

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Zhang, Min, and Bin Li. "Performance Analysis of Cognitive Radio Networks with a Two-Part Queue." Open Electrical & Electronic Engineering Journal 9, no. 1 (2015): 238–46. http://dx.doi.org/10.2174/1874129001509010238.

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In a cognitive radio network (CRN), a preempted secondary user (SU) is placed in a call level queue to wait for accessing another free channel. If the availability of channels is transparent to SUs, packets will be generated during their waiting time and the performance of the CRN will be influenced by which way to handle these packets. In this paper, the call level queue is departed into two parts, delay queue and discard queue. Here, an analytical model is developed to derive the formulas for both call level performance measures (i.e., call blocking probability) and packet level performance
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Schnabel, Christoph. "Das Zugangserschwerungsgesetz – Zum Access-Blocking als ultima ratio des Jugendschutzes." JuristenZeitung 64, no. 20 (2009): 996. http://dx.doi.org/10.1628/002268809789648067.

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Feit, Michael D., Richard P. DesJardin, William A. Steele, and Tayyab I. Suratwala. "Optimized pitch button blocking for polishing high-aspect-ratio optics." Applied Optics 51, no. 35 (2012): 8350. http://dx.doi.org/10.1364/ao.51.008350.

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Jiang, Zhenqiang, Tongyan Wang, Bin Wang, Tiaojian Xu, Changlei Ma, and Kanmin Shen. "Numerical Investigation of the Hydrodynamic Behavior of Trash-Blocking Nets for Water Intake Engineering of Nuclear Power Plant." Fluids 7, no. 7 (2022): 234. http://dx.doi.org/10.3390/fluids7070234.

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In order to ensure the safety of the cooling water source of coastal nuclear power plants (NPP), trash-blocking nets (TBNs) are usually installed at the entrance of the penstock to prevent marine sewage and organisms flowing into the front pool of the pump house of the nuclear power plant. The safety evaluation of these trash-blocking nets is of paramount importance for the stable operation of a nuclear power plant. However, there is no reliable analysis method for improving the design of trash-blocking nets and mooring systems. In this study, a numerical model of in-current trash-blocking net
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Dissertations / Theses on the topic "Blocking ratio"

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Pelteku, Altin E. "Adaptive Suppression of Interfering Signals in Communication Systems." Digital WPI, 2013. https://digitalcommons.wpi.edu/etd-dissertations/138.

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The growth in the number of wireless devices and applications underscores the need for characterizing and mitigating interference induced problems such as distortion and blocking. A typical interference scenario involves the detection of a small amplitude signal of interest (SOI) in the presence of a large amplitude interfering signal; it is desirable to attenuate the interfering signal while preserving the integrity of SOI and an appropriate dynamic range. If the frequency of the interfering signal varies or is unknown, an adaptive notch function must be applied in order to maintain adequate
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Yilmaz, Nusrat. "Resource Management In Cellular Communication Networks With Subscriber Profile Prediction." Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606274/index.pdf.

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In this study, a dynamic resource management and subscriber profile prediction scheme for mobile communication systems is presented. The aim is to achieve a high level of QoS for both handoff calls and new calls, while at the same time to improve the utilization of wireless network resources. The simultaneous satisfaction of these two actually conflicting interests will be thanks to two major key features. First, it will be due to the individual subscriber profile based prior information about handoff reservation requests that are provided by the mobile terminals. This information is based on
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Cecchini, Giammarco. "Performance of LTE-V2V for Cooperative Awareness." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/12403/.

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The large scale development of an Intelligent Transportation System is very close. The main component of such a smart environment is the network that provides connectivity for all vehicles. Public safety is the most demanding application because requires a fast, reliable and secure communication. Although IEEE 802.11p is presently the only full wireless standard for vehicular communications, recent advancements in 3GPP LTE provide support to direct communications and the ongoing activities are also addressing the vehicle to vehicle case. This thesis focuses on the resource allocation proce
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Chari, Shreya Krishnama. "Link blockage modelling for channel state prediction in high-frequencies using deep learning." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-287458.

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With the accessibility to generous spectrum and development of high gain antenna arrays, wireless communication in higher frequency bands providing multi-gigabit short range wireless access has become a reality. The directional antennas have proven to reduce losses due to interfering signals but are still exposed to blockage events. These events impede the overall user connectivity and throughput. A mobile blocker such as a moving vehicle amplifies the blockage effect. Modelling the blockage effects helps in understanding these events in depth and in maintaining the user connectivity. This the
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YehLiu, Chiang, and 葉劉檣. "Analysis of Blocking Ratio by Soil Molecule Aggregate." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/04014436523563092230.

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碩士<br>中原大學<br>土木工程研究所<br>96<br>The article treats relation between coefficient of permeability of sand and blocking magnitude, by permeameter obtains coefficient of permeability of sand, porosity, blocking magnitude and so on, differentiates theory method and actual value to compare blocking magnitude, and corrects theory method in order to accord with actual condition. The permeameter uses normal sand, compound sand, live sand to do pure water permeameter and cloudy water permeameter. First, separates nine layer from experimental sand to do pure water permeameter, measures flow of every t
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駱有聲. "A study on high compression ratio DCT image coding with blocking effects reduction." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/24896974416994108695.

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Ahmed, Waqas. "Spectrum sharing in cognitive radio networks." Thesis, 2012. https://vuir.vu.edu.au/19942/.

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Years of growth in wireless communication services and conservative spectrum allocation policies by government regulators have led to spectrum scarcity. On the other hand, spectrum measurement campaigns have indicated that the actual occupancy of most licensed frequency bands is quite low. In recent years, Cognitive radio has emerged as a promising solution to increase spectrum occupancy and tackle spectrum scarcity. Cognitive radio enables the unlicensed (secondary) user to establish a communication link in licensed spectrum on the condition that there is no or minimal interference to
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Books on the topic "Blocking ratio"

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Columb, Malachy O. Local anaesthetic agents. Edited by Michel M. R. F. Struys. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199642045.003.0017.

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Local anaesthetic agents cause a pharmacologically induced reversible neuropathy characterized by axonal conduction blockade. They act by blocking the sodium ionophore and exhibit membrane stabilizing activity by inhibiting initiation and propagation of action potentials. They are weak bases consisting of three components: a lipophilic aromatic ring, a link, and a hydrophilic amine. The chemical link classifies them as esters or amides. Local anaesthetics diffuse through the axolemma as unionized free-base and block the ionophore in the quaternary ammonium ionized form. The speed of onset of b
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Surdam, David George. Professional Sports Teams Grapple with Radio and Television. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252039140.003.0010.

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This chapter examines professional team sports' history with radio and television. Congress played an active role in the marriage of sports and television by passing legislation concerning national television contracts and television blackout rules. Legislators denounced Major League Baseball (MLB) for broadcasting and telecasting their games into minor league territory as well as National Football League (NFL) owners for their blackouts of telecasts of home games. Legislators also worried about the effects of NFL telecasts on college and high school football games, although little evidence wa
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Book chapters on the topic "Blocking ratio"

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Vestheim, Hege, Bruce E. Deagle, and Simon N. Jarman. "Application of Blocking Oligonucleotides to Improve Signal-to-Noise Ratio in a PCR." In Methods in Molecular Biology. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60761-944-4_19.

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Dai, H. K. "The size complexity of strictly non-blocking fixed ratio concentrators with constant depth." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-61626-8_30.

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Mathar, Rudolf, and Martin Hellebrandt. "Mobility Modeling in Cellular Radio Networks, Product form Solutions and Blocking." In Multiaccess, Mobility and Teletraffic for Wireless Communications: Volume 3. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-5607-7_17.

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Tao, Jiaxin, Xing Tang, Jing Wang, Yiming Zhou, Yanan Chang, and Bing Shi. "Exploiting Viaduct Blocking Effects for Enhanced Spectrum Availability in Cognitive Radio-Assisted Internet of Vehicles." In Lecture Notes in Computer Science. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-8731-2_15.

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Pathmanathan, Ajintha, and Paul Stewart. "Neuromuscular blocking agents in obesity." In Oxford Textbook of Anaesthesia for the Obese Patient, edited by Ashish C. Sinha. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198757146.003.0007.

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Obese patients present unique challenges to the anaesthesiologist, requiring careful management of neuromuscular blockade to facilitate intubation, optimize surgical conditions, and ensure safe recovery of patients. Neuromuscular blockade is a key component of the balanced anaesthesia technique initially identified by Cecil Gray and colleagues and termed the Liverpool technique—a triad of unconsciousness, analgesia, and muscle relaxation. Furthermore, monitoring of blockade prior to reversal will allow the anaesthesiologist to select the appropriate reversal agent and correct dosage. Confirmat
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Mosharraf Hossain Bhuiyan, Md, Fahmid Kabir, Md Serajum Manir, et al. "Effect of Combination of Natural Dyes and the Blocking Layer on the Performance of DSSC." In Solar Cells [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.94760.

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Over the years, researchers have been working on replacing sensitized dye for dye sensitized solar cells (DSSC), because of its low production cost, biodegradability, and non-toxicity. However, the overall performance of natural dye-based DSSCs is low compared to the DSSCs sensitized with Ruthenium based dyes. The combination of natural dyes with an optimized choice of the extracting solvents and the proper volume ratio of mixture of the dyes, enhances inherent properties, such as absorption and adsorption of the dyes. It also allows the device to utilize photon energy more efficiently over th
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Yang, M., S. Q. Li, G. Liu, and J. S. Marshall. "Investigation of Dynamic Behaviour of a Particle-loaded Single Fibre Using Discrete Element Methods." In Discrete Element Modelling of Particulate Media. The Royal Society of Chemistry, 2012. http://dx.doi.org/10.1039/bk9781849733601-00103.

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In this paper, starting from JKR adhesive contact theory, a multi-time discrete element method is used to investigate the dynamic particle capture process of a single loaded fibre. The dynamic variation of capture efficiency as well as the influence of the dendrite structure on the dynamic behaviour is discussed. The capture process can roughly be divided into two stages: an initial bare fibre stage and a particle-loaded fibre stage. In the initial stage, the deposited particles only cause a little additional blocking area in contrast to that of the bare fibre, since the ratio of the volume of
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Mariappan, Bhuvaneswari. "Predictive Methods of Always Best-Connected Networks in Heterogeneous Environment." In Algorithms, Methods, and Applications in Mobile Computing and Communications. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-5693-0.ch003.

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Heterogeneous networks are comprised of dense deployments of pico (small cell) base stations (BSs) overlaid with traditional macro BSs, thus allowing them to communicate with each other. The internet itself is an example of a heterogeneous network. Presently, the emergence of 4G and 5G heterogeneous network has attracted most of the user-centric applications like video chatting, online mobile interactive classroom, and voice services. To facilitate such bandwidth-hungry multimedia applications and to ensure QoS (quality of service), always best-connected (ABC) network is to be selected among a
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"Theoretical Bases of the Use of Solar Concentrating Modules With Louvered Heliostats." In Solar Concentrating Modules With Louvered Heliostats. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4276-7.ch002.

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A functional relationship was obtained linking the position of the Sun, the step of the mirror lamellae of the heliostat, and their orientation to ensure zero blocking and shading losses in the louvered heliostat. Based on the consideration of a three-dimensional problem, the algorithm for calculating the passage of sunlight through the mirror surface of the lamellae and parabolic cylinder allows calculating the flux of solar radiation on the receiving surface of the solar concentrator. An algorithm for controlling lamellar heliostat mirror lamellas has been developed that significantly increa
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A. Badria, Farid. "Perspective Chapter: Repurposing Natural Products to Target COVID-19: Molecular Targets and New Avenues for Drug Discovery." In Antiviral Drugs [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103153.

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World Health Organization (WHO) declared on March 11, 2020, coronavirus disease, which erupted in December 19th, 2019 in Wuhan, China (COVID-19) as worldwide pandemic disease. Researchers worldwide were successful to provide a prophylactic approach via developing several vaccines, which were swiftly approved by WHO under Emergency Use Listing (EUL) status. So far, lopinavir, chloroquine, azithromycin, hydroxychloroquine, favipiravir, umifenovir, ribavirin, remdesivir, and darunavir have been tested clinically. Hydroxychloroquine, favipiravir, and chloroquine exhibited a high ratio of distribut
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Conference papers on the topic "Blocking ratio"

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Zhang, Bojun, Jiawei Zhang, Zeshan Chang, et al. "A Parallel Multi-Grid High-Degree OXC Node Architecture based on Partial-WSS in a Scaling Multi-Fiber Network." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.w2a.47.

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We propose a parallel multi-grid OXC node architecture based on partial-WSS to achieve the high-degree non-blocking connectivity in a scaling multi-fiber optical network, which reduces 70% bandwidth blocking ratio and 71.4% port counts of WSS.
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Raheem, Kabir, Olujide Sanni, Thibaut Charpentier, and Anne Neville. "Surface Precipitation and Growth Kinetics of Calcium Carbonate (CaCO3) Scale Using a Novel Capillary Flow Rig." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16560.

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Abstract The oil and gas industry is plagued with various flow assurance challenges including the formation of inorganic scale on component surfaces. Much research into scaling and inhibition is now being directed towards surface deposition as fouling on surfaces often causes operational problems and the rates cannot be predicted by consideration of bulk precipitation processes. However, achieving a mechanistic understanding of surface kinetics requires laboratory techniques that offer the ability to control thermodynamic parameters. A novel once-through capillary flow rig design based on the
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Geers, C., and M. Schütze. "New Surface Protection System against Metal Dusting." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09149.

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Abstract A new concept to inhibit Metal Dusting on the catalytically active surface of steel based on the application of tin was investigated. The target of this investigation is to reduce the affinity of high alloy steel surfaces towards carbon deposition and uptake in general. To avoid the reaction of carbon with iron or nickel its deposition has to be prevented by blocking the catalytically active centers on the metal on the atomic scale by an inhibitor, which has a stronger bonding to those metals. Tin was used because of its similarity with carbon concerning its position in the periodic s
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Shen, Dong, Kung-Po Chao, and Swamy Margan. "Laboratory Evaluation of Scale Inhibitors Used in OTSG Boilers for Control of Silica Related Scale." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18761.

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Abstract Natural gas-fired once-through-steam-generation (OTSG) boilers are commonly used to produce a large quantity of steam to enhance heavy oil production. Since approximately 80% of the feedwater is vaporized in a single pass, the risk of silica scale deposition in the boiler tubes can be severe when high-level silica is present in the feedwater. One method to minimize the potential of silica scale formation is to reduce the silica concentration in the feedwater. Yet the silica removal process adds substantial capital and operating costs. Alternatively, the application of silica inhibitor
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Jawad, Nibirh, and Loïc Markley. "A Frequency Selective Wi-Fi Blocking Wallpaper: Real-World Measurements and Design Improvements." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10687082.

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Teng, Yunfei, Liang Cheng, Hongwei An, et al. "Hydrodynamic Forces on Intermittently Spanning Pipelines in Steady Currents." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95585.

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Abstract Experimental investigations on the hydrodynamic forces on an intermittently spanning pipeline exposed to steady currents were carried out. The effect of intermittent local spanning sections on the global hydrodynamic behavior was studied by changing the ratio between the non-spanning length (B) and the total length (L), namely the blocking ratio B / L. A range of gap height (G) to diameter (D) ratios, i.e. gap ratio G / D, and 4 different Reynolds numbers (Re) in the subcritical region were tested in the experiments. The results show: i) for a certain gap ratio, the mean drag increase
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Abdel-Raouf, Emad, John Baker, and Muhammad Sharif. "The Effects of Blocking Ratio and Atmospheric Altitude on Starting Annular Jets." In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30767.

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The effects of the blocking ratio and atmospheric altitude on starting annular air jets at a low Reynolds number are investigated by examining the velocity profiles, jet entrainment and vortex formation. A 2D axisymmetric numerical model is developed to perform the analysis. The numerical model is validated with theoretical and experimental results from other studies. In order to achieve a comprehensive analysis, the annular jet is tested for blocking ratios with the values of 0.00 (i.e. a round jet), 0.50 and 0.75. Air properties at altitudes of 0.00 km, 18.90 km and 33.75 km are tested to si
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Lehmann, F. J., S. A. Lee, and Chaio Yao She. "Direct measurement of backscatter ratio with an atomic blocking filter." In Conference on Lasers and Electro-Optics. OSA, 1986. http://dx.doi.org/10.1364/cleo.1986.thk9.

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Du, Sixing, and Reza Iravani. "A High-Power High-Ratio DC-DC Converter with DC Fault Blocking Capability." In 2019 20th Workshop on Control and Modeling for Power Electronics (COMPEL). IEEE, 2019. http://dx.doi.org/10.1109/compel.2019.8769721.

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Davis, T., M. Monette, J. Nelson, C. Mayfield, K. Cunha, and Q. Nguyen. "Using Foam Treatments to Control Gas-Oil Ratio in Horizontal Producing Wells at Prudhoe Bay." In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214894-ms.

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Abstract Production at Prudhoe Bay is constrained by gas handling. The objective of this project was to develop a foam injection strategy to reduce gas mobility in producing wells and increase field oil production through reduction of producing gas-oil ratio. Aqueous foam has been extensively studied through laboratory and field experiments for gas mobility control to improve sweep efficiency in gas flooding. However, the potential of foam injection into horizontal producers for mitigating unwanted gas production has not been well understood. In this work, a unique design of laboratory experim
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