Добірка наукової літератури з теми "Multislit seal"

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Статті в журналах з теми "Multislit seal"

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Bystrov, Leonid Y., and Egor V. Kuzmin. "The Zhegalkin Polynomial of Multiseat Sole Sufficient Operator." Modeling and Analysis of Information Systems 30, no. 2 (2023): 106–27. http://dx.doi.org/10.18255/1818-1015-2023-2-106-127.

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Анотація:
Among functionally complete sets of Boolean functions, sole sufficient operators are of particular interest. They have a wide range of applicability and are not limited to the two-seat case. In this paper, the conditions, imposed on the Zhegalkin polynomial coefficients, are formulated. The conditions are necessary and sufficient for the polynomial to correspond to a sole sufficient operator. The polynomial representation of constant-preserving Boolean functions is considered. It is shown that the properties of monotone and linearity do not require special consideration in describing a sole su
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Lavers, J. L., I. L. Jones, A. W. Diamond, and G. J. Robertson. "Annual survival of North American Razorbills (Alca torda) varies with ocean climate indices." Canadian Journal of Zoology 86, no. 1 (2008): 51–61. http://dx.doi.org/10.1139/z07-113.

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Анотація:
According to life-history theory, survival in long-lived animals is not expected to vary greatly with environmental conditions. However, recent studies of a number of seabirds have shown that ocean climate indices such as the Pacific Decadal Oscillation index and sea surface temperature are correlated with adult survival. Here we evaluated whether annual adult survival of Razorbills ( Alca torda L., 1758) at two breeding colonies covaried with oceanographic conditions in the North Atlantic during 1995–2006. We also examined pre-breeder survival (from fledging to age 2). The relationship betwee
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Cang, Shijian, Yueyue Shan, and Zenghui Wang. "Conservative dynamics in a novel class of 3D generalized thermostatted systems." Chaos: An Interdisciplinary Journal of Nonlinear Science 32, no. 8 (2022): 083143. http://dx.doi.org/10.1063/5.0101570.

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This paper reports a method to derive a novel class of 3D generalized thermostatted oscillators from a simple damped harmonic oscillator. Its detailed procedure is obtained through a mathematical derivation. Then, we propose an example system to show the effectiveness of the method. Furthermore, the numerical analysis is performed to investigate its rich conservative dynamics, including chaotic sea, hierarchical invariant tori, and the coexistence of chaotic seas and invariant tori with islands-around-islands hierarchy, even if there are three dissipative terms in the example system. To verify
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Goodman, David M., Alice W. Chuang, and Danicella Younce. "In the driver's seat: Students' perspectives on a formative OSCE in a multisite OB/GYN clerkship." Medical Teacher 35, no. 10 (2013): 875. http://dx.doi.org/10.3109/0142159x.2013.786810.

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Kotlyarov, P. M., D. G. Soldatov, I. D. Lagkueva, Z. S. Tsallagova, and V. A. Solodkiy. "The macrostructure of lungs on multislice computed tomography scans in the long-term period after COVID-19 pneumonia." PULMONOLOGIYA 33, no. 6 (2023): 772–80. http://dx.doi.org/10.18093/0869-0189-2023-33-6-772-780.

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Анотація:
The purpose of the study using MSCT monitoring data was to investigate the semiotics of residual changes in the lungs in the long-term period (up to 2 years) after pneumonia associated with COVID-19 (COronaVIrus Disease 2019).Methods. A comparative analysis of MSCT data of the chest organs was carried out in 146 patients with a confirmed diagnosis of COVID-19-associated pneumonia in 2020 – 2021 and subsequent MSCT monitoring data until 2023. MSCT was performed using a 64-slice computed tomography scanner with data post-processed on the workstation.Results. Based on the analysis, 4 groups of pa
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Xin, Dajiang, and Lei Lei. "Diagnostic Value of Magnetic Resonance Imaging Scan, Multislice Spiral Computed Tomography Three-Dimensional Reconstruction Combined with Plain Film X-Ray in Spinal Injuries." Contrast Media & Molecular Imaging 2022 (May 16, 2022): 1–5. http://dx.doi.org/10.1155/2022/8998231.

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Анотація:
Objective. The main objective is to explore the diagnostic value of magnetic resonance imaging (MRI) scan, multislice spiral computed tomography (MSCT) three-dimensional reconstruction combined with plain film X-ray in spiral injuries. Methods. By means of retrospective study, the data of 100 patients with spiral injury treated in our hospital from January 2020 to December 2021 were retrospectively analyzed, and all patients received MRI scan, MSCT three-dimensional reconstruction, and plain film X-ray examination, and by taking the operation results as the reference, the diagnostic results of
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Moya, Machado Ariel, García Margarita Hernández, and Sosa Leidelen Esquivel. "Osteomielitis Crónica Multifocal Recurrente: presentación de caso." Revista Cubana de Reumatología 20, no. 1 (2018): e08. https://doi.org/10.5281/zenodo.1174359.

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<strong>RESUMEN</strong> Los s&iacute;ndromes autoinflamatorios son un grupo de enfermedades caracterizadas por episodios espont&aacute;neos, recurrentes o persistentes de inflamaci&oacute;n multisist&eacute;mica. En ellos no se evidencia una etiolog&iacute;a infecciosa, neopl&aacute;sica o autoinmune. Est&aacute;n causadas por alteraciones de la inmunidad innata, lo que ocasiona una desregulaci&oacute;n del sistema inflamatorio a nivel del inflamosoma. Estos s&iacute;ndromes se subdividen en dos grandes grupos los s&iacute;ndromes hereditarios de fiebre peri&oacute;dica y las enfermedades aut
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Wilkie, Diana J., George Fitchett, Tasha M. Schoppee, et al. "Abstract A032: Dignity therapy effects by race: Chaplain and nurse implementation in pragmatic, multisite stepped-wedge randomized control trial." Cancer Epidemiology, Biomarkers & Prevention 32, no. 1_Supplement (2023): A032. http://dx.doi.org/10.1158/1538-7755.disp22-a032.

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Анотація:
Abstract Aim: As a brief psychotherapy for individuals facing mortal threat, Dignity Therapy (DT) effects on spiritual outcomes are unknown, especially as an intervention to support cancer health equity for racial minority patients. Our study aim was to compare usual outpatient palliative care and such care along with nurse-led or chaplain-led DT groups for main effects on dignity impact and the interaction of DT with race. Methods: We conducted the 4-step, stepped-wedge randomized control trial at 4 NCI designated cancer centers and 2 academic cancer centers across the United States. Half of
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Nishino, Shigeto, Jinyoung Jung, Kyoung-Ho Cho, et al. "Atlantic-origin water extension into the Pacific Arctic induced an anomalous biogeochemical event." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-41960-w.

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AbstractThe Arctic Ocean is facing dramatic environmental and ecosystem changes. In this context, an international multiship survey project was undertaken in 2020 to obtain current baseline data. During the survey, unusually low dissolved oxygen and acidified water were found in a high-seas fishable area of the western (Pacific-side) Arctic Ocean. Herein, we show that the Beaufort Gyre shrinks to the east of an ocean ridge and forms a front between the water within the gyre and the water from the eastern (Atlantic-side) Arctic. That phenomenon triggers a frontal northward flow along the ocean
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Дисертації з теми "Multislit seal"

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Марченко, І. О. "Числовий розрахунок динамічних характеристик багатошпаринних ущільнень". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/71742.

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Анотація:
Об’єкт дослідження – гідродинамічні процеси в багатошпаринних ущільненнях відцентрового насосу. Мета роботи – підвищення технічного рівня відцентрового насосу шляхом оцінки впливу шпаринних ущільнень на динамічні параметри ротора насосу. Метод дослідження – числовий аналіз радіальних і осьових гідростатичних сил у багатошаринних ущільненнях за допомогою нелінійних рівнянь. В роботі розглянуті витратні та динамічні характеристики шпаринних дроселів для турбулентної течії в’язкої нестискуваної рідини. Так як ущільнення є деяким резервом підвищення ККД, то дослідження якісного впливу їх окре
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Тези доповідей конференцій з теми "Multislit seal"

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Goldman, Y., A. Shavit, and Y. Dayan. "Transfer Process in Multisolid Two-Chamber Recirculated Reactor." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0886.

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Abstract Prepyrolysis of coal as a precursor to its utilization in a power plant or gas turbine is experimentally investigated. The pyrolyzer, 800 mm in diameter and 1500 mm in height, consists of two concentric chambers. Coarse char particles, used like inert medium (“sand” in the sequel). The char is heated in the outer chamber by an external source of heat, such as hot gases. The inner chamber is used for the pyrolysis process of fine coal powder (50 micron), that is fed into it. The heat required for the endothermic pyrolysis process is supplied by the circulating char. Cold tests conducte
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2

Chen, Jun, Yongzhi Xin, Yunxiu Zhang, Jun Li, Wencai Yang, and Zhiyuan Li. "A Novel Deep-sea Exploration Equipment: Combined Multisite Lander and Rover ROV System." In OCEANS 2021: San Diego – Porto. IEEE, 2021. http://dx.doi.org/10.23919/oceans44145.2021.9705983.

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Thomson, Shaun, Baglan Kiyabayev, Barry Ritchie, Jakob Monberg, Maurits De Heer, and Soren Skov List. "Worlds First Offshore Horizontal Well Using Jointed Pipe Cemented Frac Sleeve Technology." In SPE International Hydraulic Fracturing Technology Conference & Exhibition. SPE, 2022. http://dx.doi.org/10.2118/205331-ms.

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Анотація:
Abstract The Valdemar field, located in the Danish sector of the North Sea, targets a Lower Cretaceous, "dirty chalk" reservoir characterized by low permeabilities of &amp;lt;0.5mD, high porosities of &amp;gt;20% and contains up to 25% insoluble fines. To produce economically the reservoir must be stimulated. Typically, this is by means of hydraulic fracturing. A traditional propped fracture consists of 500,000 to 1,000,000 lbs of 20/40 sand, placed using a crosslinked seawater-based borate fluid. The existing wells in the field are completed using the PSI (perforate, isolate, stimulate)1 syst
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Gaur, Rishika, Walid El-Shepani, Omar Wahib, et al. "Integrated Intervention Solution with the Longest Real-Time Hybrid Coiled Tubing and Customized Chemistry Addresses Completion Integrity Issues in a Deep Horizontal HP/HT Well: Case Study from the Sultanate of Oman." In SPE/ICoTA Well Intervention Conference and Exhibition. SPE, 2025. https://doi.org/10.2118/224039-ms.

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Анотація:
Abstract A deep high-pressure/high-temperature (HP/HT) horizontal well design included multiple fracture stages using wireline pump-down assisted plug-and-perforation (plug-and-perf) technology. During execution, several challenges were encountered, such as plug presets and plug holdups at the heel section of the lateral. An investigation indicated a suspected casing leak, which required confirmation and resolution through additional interventions to restore accessibility beyond the heel section and complete the required scope of work for this well. The unique solution presented in this paper
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Keong, Azwan, Nelson Jaimes, Adlet Mussenov, et al. "World's Deepest Single-Trip Multistage Fracturing through 2-7/8-in. 7,400-m Coiled Tubing String: Method Development and Learnings from Norway." In SPE/ICoTA Well Intervention Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212902-ms.

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Анотація:
Abstract The Valhall and Hod chalk fields have seen the rise of single-trip multistage fracturing (STMF) that allows stimulating two to four zones in a single day in contrast to the average of one zone every 2 to 3 days for conventional applications. Recent advancements focus on lowering operational costs while bringing wells on production faster. One way of doing this is to further improve the STMF method by the introduction of fracturing through coiled tubing (FTCT). Conventional multistage fracturing operations use the plug-and-perforation method to complete each stage separately. With a sl
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