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Journal articles on the topic 'The Reservoir Optional Circuit'

Author: Grafiati

Published: 11 March 2023

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1

El-Essawi, A., I. Breitenbach, K. Ali, et al. "Minimized perfusion circuits: an alternative in the surgical treatment of Jehovah’s Witnesses." Perfusion 28, no. 1 (2012): 47–53. http://dx.doi.org/10.1177/0267659112457971.

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Objectives: Jehovah’s Witnesses present a challenge to cardiac surgeons, as quality of care is not only defined by mortality and morbidity, but also by the avoidance of blood transfusions. Over the last years, minimized perfusion circuits (MPC) have contributed substantially to the achievement of this goal in our clinic. Presented is a retrospective analysis of our experience. Methods: Twenty-nine Jehovah’s Witnesses, aged 69 ± 10 years, have undergone cardiac surgery with a MPC in our institution since 2005. The ROCsafe (Reservoir Optional Circuit) MPC was used in most of these patients (n=27

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2

Peter, Benjamin St, Rainer A. Dressler, Yu-hui Chiu, and Timothy Fedkiw. "Electrospray Propulsion Engineering Toolkit (ESPET)." Aerospace 7, no. 7 (2020): 91. http://dx.doi.org/10.3390/aerospace7070091.

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We report on the development of a software tool, the Electrospray Propulsion Engineering Toolkit (ESPET), that is currently being shared as a web application with the purpose to accelerate the development of electrospray thruster arrays for space propulsion. ESPET can be regarded as a database of microfluidic properties and electrohydrodynamic scaling models that are combined into a performance estimation tool. The multiscale model integrates experimental high-level physics characterization of microfluidic components in a full-scale electrospray propulsion (ESP) microfluidic network performanc

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3

Okumura, Takahiro, Keisuke Matsuda, Yu Fukuoka, Junya Dai, and Naoko Shiraishi. "Development of a valve type semi-closed extracorporeal circulation system." Journal of Artificial Organs 24, no. 3 (2021): 320–26. http://dx.doi.org/10.1007/s10047-021-01249-5.

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AbstractIn Japan, perfusionists who work on other clinical tasks are involved in cardiopulmonary bypass. Moreover, the number of cases they can perform is limited. In view of this situation, valve type semi-closed extracorporeal circulation (VACC) was developed as a system that enables extracorporeal circulation (ECC) regardless of perfusionists’ experience. The VACC circuit is based on a conventional open-type ECC circuit. A safety valve is installed at the outlet of the reservoir. It is closed by lowering the reservoir pressure below the venous circuit pressure (Pv), thereby providing a clos

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Takano, Kosuke, Chihiro Sugano, Masanobu Inubushi, et al. "Compact reservoir computing with a photonic integrated circuit." Optics Express 26, no. 22 (2018): 29424. http://dx.doi.org/10.1364/oe.26.029424.

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5

Xiao, Ran, and Chunhong Chen. "Gate-Level Circuit Reliability Analysis: A Survey." VLSI Design 2014 (July 10, 2014): 1–12. http://dx.doi.org/10.1155/2014/529392.

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Circuit reliability has become a growing concern in today’s nanoelectronics, which motivates strong research interest over the years in reliability analysis and reliability-oriented circuit design. While quite a few approaches for circuit reliability analysis have been reported, there is a lack of comparative studies on their pros and cons in terms of both accuracy and efficiency. This paper provides an overview of some typical methods for reliability analysis with focus on gate-level circuits, large or small, with or without reconvergent fanouts. It is intended to help the readers gain an ins

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Keshavarzi, Davood, Ebrahim Farjah, and Teymoor Ghanbari. "Hybrid DC Circuit Breaker and Fault Current Limiter With Optional Interruption Capability." IEEE Transactions on Power Electronics 33, no. 3 (2018): 2330–38. http://dx.doi.org/10.1109/tpel.2017.2690960.

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7

Alkhorshid, Daniel Rostami, Seyyedeh Fatemeh Molaeezadeh, and Mikaeil Rostami Alkhorshid. "Analysis: Electroencephalography Acquisition System: Analog Design." Biomedical Instrumentation & Technology 54, no. 5 (2020): 346–51. http://dx.doi.org/10.2345/0899-8205-54.5.346.

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Abstract Electroencephalography (EEG) is a sensitive and weak biosignal that varies from person to person. It is easily affected by noise and artifacts. Hence, maintaining the signal integrity to design an EEG acquisition system is crucial. This article proposes an analog design for acquiring EEG signals. The proposed design consists of eight blocks: (1) a radio-frequency interference filter and electro-static discharge protection, (2) a preamplifier and second-order high-pass filter with feedback topology and an unblocking mechanism, (3) a driven right leg circuit, (4) two-stage main and vari

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Bou Sanayeh, Marwan, Wissam Hamad, and Werner Hofmann. "Equivalent Circuit Model of High-Performance VCSELs." Photonics 7, no. 1 (2020): 13. http://dx.doi.org/10.3390/photonics7010013.

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In this work, a general equivalent circuit model based on the carrier reservoir splitting approach in high-performance multi-mode vertical-cavity surface-emitting lasers (VCSELs) is presented. This model accurately describes the intrinsic dynamic behavior of these VCSELs for the case where the lasing modes do not share a common carrier reservoir. Moreover, this circuit model is derived from advanced multi-mode rate equations that take into account the effect of spatial hole-burning, gain compression, and inhomogeneity in the carrier distribution between the lasing mode ensembles. The validity

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Fukuda, Keisuke, Yoshihiko Horio, Takemori Orima, Koji Kiyoyama, and Mitsumasa Koyanagi. "Cyclic reservoir neural network circuit for 3D IC implementation." Nonlinear Theory and Its Applications, IEICE 12, no. 3 (2021): 309–22. http://dx.doi.org/10.1587/nolta.12.309.

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10

Paul, Dev, Vahik Haddadian, Ben Chavdarian, and Kevin Peterson. "Low-Voltage Shore Connection Power Systems: Optional Designs and a Safety Loop Circuit." IEEE Industry Applications Magazine 24, no. 5 (2018): 62–68. http://dx.doi.org/10.1109/mias.2017.2740448.

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11

Yaidee, Akawit, Chantana Punlek, and Somchai Maneewan. "Experiment study investigation compare temperature series circuit and the parallel circuit of thermoelectric and variable water, electrical of thermoelectric for heat exchanger." International Journal of Power Electronics and Drive Systems (IJPEDS) 10, no. 2 (2019): 785. http://dx.doi.org/10.11591/ijpeds.v10.i2.pp785-791.

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This paper presents the comparison temperature of thermoelectric <em>(</em>Tec1<em>-</em>12708<em>) </em>between the series circuit and parallel circuit by adjusting of water flow rate pump and electrical supplying to thermoelectric, The electrical voltage at 8,10 and 12 V,<em> </em>water flow rate in reservoir was 0<em>.</em>015 kg<em>/</em>s and 0<em>.</em>025 kg<em>/</em>s<em>. </em>Experiments perform were 6 hours<em>. </em>The result from the researches, thermoelectric w

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Liu, Guanhua, Wanchang Lai, Yunrui Jiang, and Jie Shi. "Design of Experimental Circuit Board of Spectrometer Amplifier in Nuclear Electronics." Journal of Physics: Conference Series 2440, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1742-6596/2440/1/012008.

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Abstract The signal output by a nuclear radiation detector is small in amplitude and irregular in waveform, which needs to be amplified and shaped to measure accurately. Spectrometer amplifiers assume the role of signal amplification and shaping in nuclear radiation measurement instruments, strictly maintaining useful information from the detector output (such as energy information and time information of the rays) and minimizing their distortion during signal processing. According to the needs of undergraduate experimental teaching and nuclear instrument development and application of nuclear

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13

Inoue, Maakito, Keisuke Fukuda, and Yoshihiko Horio. "Switched-Capacitor Circuit Implementation of the Chaotic Neural Network Reservoir." Journal of Signal Processing 24, no. 4 (2020): 133–36. http://dx.doi.org/10.2299/jsp.24.133.

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14

Miller, D. M. "An Enclosed Efferent Afferent Reservoir System: The Maxima." Anaesthesia and Intensive Care 23, no. 3 (1995): 284–91. http://dx.doi.org/10.1177/0310057x9502300303.

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A single, lightweight, valveless, non-absorber breathing system, which functions with near maximal efficiency (hence the name Maxima) in spontaneous and controlled ventilation is described. It may be classified as an enclosed efferent afferent reservoir (EEAR) breathing system and is characterised by the selective elimination of alveolar gas in all modes of ventilation. A functional description explains how this is achieved in the system in spontaneous and controlled ventilation. The potential for error which arises in combination systems for different switch positions with different modes of

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15

Munson, Teresa, Jun Zhao, Esther Elise Knapp, Charmaine Du Toit, Ashok Raj, and Kerry McGowan. "Single Needle Option: An Alternative to Dual-Needle Access in Erythrocytapheresis in Patients with Sickle Cell Disease." Blood 138, Supplement 1 (2021): 4284. http://dx.doi.org/10.1182/blood-2021-154080.

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Abstract Background: Erythrocytapheresis or red cell exchange (RCE) is an invaluable treatment option for patients with complications related sickle cell disease, including acute stroke, stroke prevention, acute chest syndrome, and recurrent pain crisis. The procedure entails the removal of each patient's red blood cells containing the abnormal sickle hemoglobin and replacing them with normal red blood cells carrying non-sickled hemoglobin. Adequate vascular access is essential for erythrocytapheresis to allow for high flow rates and various forms of access are used including peripheral veins

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16

Aizenberg, Igor, Riccardo Belardi, Marco Bindi, et al. "A Neural Network Classifier with Multi-Valued Neurons for Analog Circuit Fault Diagnosis." Electronics 10, no. 3 (2021): 349. http://dx.doi.org/10.3390/electronics10030349.

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In this paper, we present a new method designed to recognize single parametric faults in analog circuits. The technique follows a rigorous approach constituted by three sequential steps: calculating the testability and extracting the ambiguity groups of the circuit under test (CUT); localizing the failure and putting it in the correct fault class (FC) via multi-frequency measurements or simulations; and (optional) estimating the value of the faulty component. The fabrication tolerances of the healthy components are taken into account in every step of the procedure. The work combines machine le

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Huybregts, M. AJM, R. de Vroege, H. MT Christiaans, A. L. Smith, and R. CE Paulus. "The use of a mini bypass system (Cobe Synergy) without venous and cardiotomy reservoir in a mitral valve repair: a case report." Perfusion 20, no. 2 (2005): 121–24. http://dx.doi.org/10.1191/0267659105pf794cr.

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The use of mini cardiopulmonary bypass circuits is an emerging technology. The venous and cardiotomy reservoir have been excluded from the circuit. This results in a reduction of the blood contact surface area and of the priming volume. Entrainment of venous air, however, remains a drawback in the widespread acceptance of using these mini circuits. The technique described resolves this problem by automatic removal of venous air, and explains how this mini cardiopulmonary bypass circuit was utilized on a 64-year-old female presented for a mitral valve repair. In the absence of a cardiotomy rese

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18

PAŘÍLKOVÁ, JANA, ZBYNĚK ZACHOVAL, and JAN JANDORA. "THE EIS OPTIONS AT MONITORING THE SPREAD OF POLLUTION IN THE STREAM." Journal of marine Technology and Environment 2021, no. 2 (2021): 39–48. http://dx.doi.org/10.53464/jmte.02.2021.07.

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Water pollution is one of the most significant problems in the world today and is a global problem. Surface water pollution in streams and reservoirs is reflected in the deterioration of the quality of aquatic ecosystems, including those that occur in their vicinity or follow them. Lack of quality drinking water is one of the main causes of various diseases, which can lead to death, especially in developing countries. Therefore, it is important to detect water pollution in time and anticipate how it could develop and be transported in the stream. Measurements on a physical model are time-consu

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19

Xie, Gang, Hai Jun Yan, Deng Feng Ju, et al. "Study of Non-Equilibrium Arms Bridge Circuit for Water Plugging of Horizontal Wells in Sandstone Reservoir." Advanced Materials Research 912-914 (April 2014): 765–68. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.765.

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In view of rapid water cut increasing and poor oil recovery with banded distribution with high permeability belt in sandstone reservoir of Huabei Oilfield,the electrical bridge technique for water shut-off is proposed. Based on years practice of vertical wells and similarity in Ohms and Darcys laws,the electrical model involved variable resistors series/parallel instead of reservoir distribution,the arm-bridge circuit combined with signal detection. Then response of the circuit by variable water shut-off could be simulated. The results indicated that,the driving pressure and seepage quantity a

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20

Wardhana, Ardyan, and Johanes Nugroho. "Three-Way Stopcock as Breathing Circuit in Anesthetic Procedures on Wistar Rats as Animal Models in Research." Indonesian Journal of Anesthesiology and Reanimation 4, no. 1 (2022): 55. http://dx.doi.org/10.20473/ijar.v4i12022.55-61.

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Introduction: General anesthesia in experimental animals is not limited in the field of anesthesia research. In Indonesia, ventilators and breathing circuit systems utilized in research involving anesthesia in rats are not widely available. The limitations in using ventilators and breathing circuit systems in research are one of the reasons why Indonesia is lacking complex and advanced animal experimental studies. Objective: This study aimed to examine a general anesthesia procedure for intubation in rats using tools and materials commonly discovered in clinical settings. Method: A search on t

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Onichimowski, Dariusz, Hubert Ziółkowski, Krzysztof Nosek, Jerzy Jaroszewski, Elżbieta Rypulak, and Mirosław Czuczwar. "Comparison of adsorption of selected antibiotics on the filters in continuous renal replacement therapy circuits: in vitro studies." Journal of Artificial Organs 23, no. 2 (2019): 163–70. http://dx.doi.org/10.1007/s10047-019-01139-x.

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Abstract The aim of this study was to assess the adsorption of selected antibiotics: vancomycin, gentamicin, ciprofloxacine and tigecycline in an experimental continuous veno-venous hemofiltration circuit with the use of both polyethyleneimine-treated polyacrylonitrile (PAN) and the polysulfone (PS) filter membranes. The crystalloid fluid dosed with one of antibiotic was pumped from a reservoir through a hemofiltration circuit (with PAN or PS membrane) and back to reservoir. All ultrafiltrate was also returned to the reservoir. During the procedures samples were collected from the post-hemofil

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22

Heith, Catherine S., Lizbeth A. Hansen, Rhonda M. Bakken, et al. "Effects of an Ex Vivo Pediatric Extracorporeal Membrane Oxygenation Circuit on the Sequestration of Mycophenolate Mofetil, Tacrolimus, Hydromorphone, and Fentanyl." Journal of Pediatric Pharmacology and Therapeutics 24, no. 4 (2019): 290–95. http://dx.doi.org/10.5863/1551-6776-24.4.290.

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OBJECTIVES With the expanding use of extracorporeal membrane oxygenation (ECMO), understanding drug pharmacokinetics has become increasingly important, particularly in pediatric patients. This ex vivo study examines the effect of a pediatric Quadrox-iD ECMO circuit on the sequestration and binding of mycophenolate mofetil (MMF), tacrolimus, and hydromorphone hydrochloride, which have not been extensively studied to date in pediatric ECMO circuits. Fentanyl, which has been well studied, was used as a comparator. METHODS ECMO circuits were set up using Quadrox-iD pediatric oxygenators and centri

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23

Shcherba, A. A., N. I. Suprunovska, and M. A. Shcherba. "FEATURES OF THE FORMATION OF MULTI-CHANNEL PULSE CURRENTS AND FAST-MIGRATING ELECTRIC SPARKS IN THE LAYER OF CURRENT-CONDUCTING GRANULES OF ELECTRIC-DISCHARGE INSTALLATIONS." Tekhnichna Elektrodynamika 2022, no. 2 (2022): 3–11. http://dx.doi.org/10.15407/techned2022.02.003.

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The paper reveals the electro-physical features of the formation of multi-channel pulse currents and fast-migrating electric sparks in the layer of current-conductive granules of electric-discharge installations (EDIs) with reservoir capacitors. Such features make it possible to increase many times the productivity of the electric-spark dispersion of metal granules during single discharge current of reservoir capacitors, which flows between the electrodes of EDIs. Theoretical substantiation and experimental confirmation of multi-channel spark discharges in the layer of conductive granules are

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24

Sugano, Chihiro, Kazutaka Kanno, and Atsushi Uchida. "Reservoir Computing Using Multiple Lasers With Feedback on a Photonic Integrated Circuit." IEEE Journal of Selected Topics in Quantum Electronics 26, no. 1 (2020): 1–9. http://dx.doi.org/10.1109/jstqe.2019.2929179.

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25

Braschi, A., G. Iotti, A. Locatelli, and G. Bellinzona. "Functional evaluation of a CPAP circuit with a high compliance reservoir bag." Intensive Care Medicine 11, no. 2 (1985): 85–89. http://dx.doi.org/10.1007/bf00254780.

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26

Liang, Jie, Rong Jiang Tang, Yin Han Gao, Tong Hang Zhao, Wen Jun Jiang, and Bing Wu Lu. "Identification Method of Vehicle Interior Airborne Noise Based on Pseudo-Random." Advanced Materials Research 338 (September 2011): 460–66. http://dx.doi.org/10.4028/www.scientific.net/amr.338.460.

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According to the source-path-receiver model of vehicle interior airborne noise, the correlative identification method of transfer function was proposed. Simulation results demonstrate that the method has excellent noise immunity performance. A m sequence generator whose shift clock frequency is adjustable and register series is optional was designed by complex programmable logic device CPLD and external circuit. The m sequence pseudo-random signal which was amplified by audio power amplifier drives the loudspeaker as sound source signal. The field tests indicate that compare with broadband whi

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27

Kumagai, Masaaki, and Takashi Emura. "Development of a Universal Interface Board and its Application to Robot Controllers and Signal Processors." Journal of Robotics and Mechatronics 16, no. 2 (2004): 200–207. http://dx.doi.org/10.20965/jrm.2004.p0200.

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Multipurpose digital interface boards for the PCI bus were designed for robot controllers. They used a programmable logic device reconfigured for internal circuits. The user plugs the board in, then downloads circuit data to obtain various interfaces. Optional modules such as analog front ends and support software also were developed. The board enables rapid prototyping and flexible use of high-speed digital circuits. Three applications of the board — robot interfaces of DC servomotors for a walking robot, high-speed digital signal processing for a motion capture system, and pipelined image pr

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28

Li, Wen, Peng Pan, Li Sha Tan, and Xue Ke Luo. "Remote On-Line Automatic Monitoring System of Reservoir's Water Regimen Based on WSN and GPRS Network." Applied Mechanics and Materials 536-537 (April 2014): 1223–30. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.1223.

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This remote on-line automatic monitoring system is designed based on WSN and GPRS Network, aiming at solving the present problems of low performance in field monitoring of reservoir water, forecasting sudden water pollution accidents, reporting important hydraulic process such as reservoir operation. The system is simulated laboratory water quality analysis process, and achieved long-time unattended reservoir water regimen remote on-line monitoring and optimized reservoir water resource management. By adopting embedded operating system μC/OSII, the system has the function of parallel processin

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Mao, Cui Li, Er Hua Wang, and Hong Qi Lin. "Design and Implementation of Ultrasonic Ranging System." Applied Mechanics and Materials 239-240 (December 2012): 37–41. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.37.

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A real-time and high precision ultrasonic ranging method is proposed here. Ultrasonic ranging system based on MCU was established, which is composed of MCU, ultrasonic sending and receiving circuit, temperature compensate circuit, alarm, key and display circuit. Counting pulse method was used to measure the ultrasonic transmission time, and then the distance is calculated. In order to improve the ranging accuracy, temperature compensation was used in this system. Preliminary experiment showed that the system meet the requirements. This system has advantages such as low price, small volume, rel

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30

Qi, Long Fei, Zhi Hua Ning, and Le Nian He. "A Design of Powered Device Interface Chip under PoE System." Applied Mechanics and Materials 716-717 (December 2014): 1277–82. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1277.

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This paper proposes a design of powered device interface chip compatible with communication protocol IEEE 802.at standard, for Ethernet control of power supply. This design has all the features IEEE 802.at standard requires, including the detection, classification, under-voltage lockout and inrush current control, support of not less than 25.5W of power. The circuit of the chip is designed with Hangzhou Silan BCD process technique. Specific features of the design are 140mA inrush-current-limiting, complementary-output-enable-signal, under-voltage, overvoltage, over temperature protection, an o

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31

Budnik, Krzysztof, Wojciech Machczyński, and Jan Szymenderski. "Voltage induced by currents in power-line sagged conductors in nearby circuits of arbitrary configuration." Archives of Electrical Engineering 64, no. 2 (2015): 227–36. http://dx.doi.org/10.1515/aee-2015-0019.

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Abstract The study presents a calculation method of the voltage induced by power-line sagged conductor in an inductively coupled overhead circuit of arbitrary configuration isolated from ground. The method bases on the solution utilizing the magnetic vector potential for modeling 3D magnetic fields produced by sagging conductors of catenary electric power lines. It is assumed that the equation of the catenary exactly describes the line sag and the influence of currents induced in the earth on the distribution of power line magnetic field is neglected. The method derived is illustrated by exemp

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32

Frink, Edward J., Wallace M. Nogami, Scott E. Morgan, and Roger C. Salmon. "High Carboxyhemoglobin Concentrations Occur in Swine during Desflurane Anesthesia in the Presence of Partially Dried Carbon Dioxide Absorbents." Anesthesiology 87, no. 2 (1997): 308–16. http://dx.doi.org/10.1097/00000542-199708000-00018.

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Background Increased carboxyhemoglobin concentrations in patients receiving inhalation anesthetics (desflurane, enflurane, and isoflurane) have been reported. Recent in vitro studies suggest that dry carbon dioxide absorbents may allow the production of carbon monoxide. Methods The authors used high fresh oxygen flow (5 or 10 l/min) through a conventional circle breathing system of an anesthesia machine for 24 or 48 h to produce absorbent drying. Initial studies used 10 l/min oxygen flow with the reservoir bag removed or with the reservoir bag left in place during absorbent drying (this increa

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Hachami, K., D. Moussaid, M. Rahmoun, and E. Bendada. "Utilization of the Thermoelectric Sensor to Realize a New Fluid Level Detector." Active and Passive Electronic Components 24, no. 3 (2001): 177–86. http://dx.doi.org/10.1155/2001/61546.

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This paper describes a prototype thermoelectric sensor system which makes use of the thermoelectrical effects. The sensor includes two printed circuits, the first is constituted of a resistive constantan track, the second is a planar thermoelectric circuit constituted of many plated differential thermocouples. The first circuit is placed at the top of the second circuit so that the resistive tack is placed on the top of the even thermocouple junctions. The measuring method consists to passing an electrical current through the constantan track in order to generate temperature gradients between

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34

Ueno, Masaki, and Takahide Oya. "Design of a single-electron neural network circuit controlling weights for reservoir computing." Japanese Journal of Applied Physics 60, SC (2021): SCCE02. http://dx.doi.org/10.35848/1347-4065/abe7fe.

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Fang, Kejie, Jie Luo, Anja Metelmann, et al. "Generalized non-reciprocity in an optomechanical circuit via synthetic magnetism and reservoir engineering." Nature Physics 13, no. 5 (2017): 465–71. http://dx.doi.org/10.1038/nphys4009.

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36

van Kempen, R. A. Brest, J. M. Gasiorek, K. Bloemendaal, R. PH Storm van Leeuwen, and E. R. Bulder. "Low-prime perfusion circuit and autologous priming in CABG surgery on a Jehova’s Witness: a case report." Perfusion 17, no. 1 (2002): 69–72. http://dx.doi.org/10.1191/0267659102pf522cr.

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Cardiac surgery on Jehovah’s Witnesses is a great challenge for the cardiothoracic surgery team and especially for the perfusionist. To reduce the risk of surgery in these patients, a very small extracorporeal circuit was designed to decrease the amount of priming volume and thereby the degree of hemodilution. A small bypass system was built, consisting of a 3/8-in. arterial line and a 3/8-in. venous line, a venous collapsible reservoir, a centrifugal pump, a hollow fiber oxygenator and a cell saver reservoir. The circuit priming volume was 650 ml. By using antegrade and retrograde autologous

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Boriskov, Petr, Andrei Velichko, Nikolay Shilovsky, and Maksim Belyaev. "Bifurcation and Entropy Analysis of a Chaotic Spike Oscillator Circuit Based on the S-Switch." Entropy 24, no. 11 (2022): 1693. http://dx.doi.org/10.3390/e24111693.

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This paper presents a model and experimental study of a chaotic spike oscillator based on a leaky integrate-and-fire (LIF) neuron, which has a switching element with an S-type current-voltage characteristic (S-switch). The oscillator generates spikes of the S-switch in the form of chaotic pulse position modulation driven by the feedback with rate coding instability of LIF neuron. The oscillator model with piecewise function of the S-switch has resistive feedback using a second order filter. The oscillator circuit is built on four operational amplifiers and two field-effect transistors (MOSFETs

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Yazmyradova, Gulbahar, Maman Hermana, and Hassan Soleimani. "Estimation of porosity from well logs and seismic using artificial neural network." IOP Conference Series: Earth and Environmental Science 1003, no. 1 (2022): 012017. http://dx.doi.org/10.1088/1755-1315/1003/1/012017.

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Abstract The Artificial Neural Network (ANN) is widely used to map and estimate reservoir properties. Since ANN has the ability of non-linear computing and self-error correction, it serves as an alternative method to enhance reservoir characterization by improving reservoir properties' prediction. This study employed an integrated approach where seismic, and well log data are used alongside ANN to evaluate petrophysical properties in Field X, South Caspian Basin. The study field is situated in the South Caspian Basin, which developed during Tertiary-Quaternary. The South Caspian Basin covers t

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Shade, Brandon C., Richard W. Melchior, Douglas R. Fisher, et al. "Comparison of three infant venous reservoirs with vacuum-assisted venous drainage during varying levels of cardiotomy suction." Perfusion 35, no. 1 (2019): 26–31. http://dx.doi.org/10.1177/0267659119850344.

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Background: Vacuum-assisted venous drainage has gained widespread use within the pediatric perfusion community for use during cardiopulmonary bypass. It is questioned whether its efficiency may be compromised with application of excessive cardiotomy suction to the infant hard-shell venous reservoir. An in vitro simulation circuit was used to research this phenomenon. A comparison of three different infant hard-shell venous reservoirs also took place to determine if one reservoir type was more advantageous when handling cardiotomy suction. The reservoirs tested were the Maquet VHK 11000, Medtro

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Shen, Dawei, Dongxing Pei, and Tiehua Ma. "Design and Simulation of Multichannel Dynamic Measurement Control System." Mathematical Problems in Engineering 2022 (September 30, 2022): 1–8. http://dx.doi.org/10.1155/2022/4928069.

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The circuit system designed in this paper uses FPGA and single-chip microcomputer as the main chips. It uses VHDL language programming and performs functional simulation and verification of the core control program through ModelSim software, and finally, a storage-type dynamic measurement and control system with one-to-multiple channels, adjustable trigger modes, and optional sampling frequency is realized. At the same time, the system is further optimized in terms of power consumption and volume. The storage measurement and control system can successfully record eight-channel dynamic voltage

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Drabant, Š., M. Bolla, A. Žikla, I. Petranský, and J. Ďuďák. "Testing device with opened hydrostatic circuit for dynamic loading of the tractor engine by power take off shaft." Research in Agricultural Engineering 51, No. 3 (2012): 91–98. http://dx.doi.org/10.17221/4909-rae.

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The developed loading device with opened hydrostatic circuit for measurement of speed and dynamic characteristics of the tractor engine by power take off is presented. This loading device may also be used as a portable type for field measurement. At present for development of these loading devices controlled hydrogenerators and electro-hydraulic proportional pressure valves directed by computer may by used to adjust geometrical volume of the hydrogenerator from zero to maximum value. There is a possibility to built these devices which consist of one hydrogenerator and one by-pass valve for the

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Cao, Youfang, Xue Lei, Ruy M. Ribeiro, Alan S. Perelson, and Jie Liang. "Probabilistic control of HIV latency and transactivation by the Tat gene circuit." Proceedings of the National Academy of Sciences 115, no. 49 (2018): 12453–58. http://dx.doi.org/10.1073/pnas.1811195115.

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The reservoir of HIV latently infected cells is the major obstacle for eradication of HIV infection. The “shock-and-kill” strategy proposed earlier aims to reduce the reservoir by activating cells out of latency. While the intracellular HIV Tat gene circuit is known to play important roles in controlling latency and its transactivation in HIV-infected cells, the detailed control mechanisms are not well understood. Here we study the mechanism of probabilistic control of the latent and the transactivated cell phenotypes of HIV-infected cells. We reconstructed the probability landscape, which is

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Faustova, Anastasiya S., Dmitry A. Novikov, Svetlana A. Pavlova, Anatoliy V. Chernykh, Fedor F. Dultsev, and Svetlana V. Ryzhkova. "CHANGE IN THE HYDROGEOCHEMICAL FIELD OF THE U<sub>1</sub> HORIZON OF THE VERKH-TARSKOYE OIL FIELD IN THE PROCESS OF DEVELOPMENT." Interexpo GEO-Siberia 2, no. 1 (2021): 271–81. http://dx.doi.org/10.33764/2618-981x-2021-2-1-271-281.

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The results of a comprehensive analysis of geological and field information are presented in order to assess changes in the hydrogeochemical field of the oil reservoir of the U horizon of the Verkh-Tarskoye oil field during its development in the period from 1994 to 2021. The main production facility is at the IV stage of declining production. The water cut of the production wells stock reaches 98% with cumulative production of 14.86 million tons (as of May 1, 2021). Since 2015, there has been an increase in the TDS of produced water, which is explained by the processes of their mixing with ci

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Wabeke, Erik, Piet H. Mook, Jan M. Elstrodt, and Charles RH Wildevuur. "An Automatically Regulated Low Prime Heart-Lung Machine for Infants: A Rabbit Model." Perfusion 2, no. 2 (1987): 109–13. http://dx.doi.org/10.1177/026765918700200205.

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A new compact heart-lung machine for paediatric use was designed. The total volume of this system of only 90ml allows for priming without the use of donor blood. The priming volume could be kept small mainly by replacing gravity drainage with drainage by a negative pressure in the venous reservoir. To avoid volume shifts between the extracorporeal circuit and the infant's circulation and to safely operate this minimal volume circuit, the heart-lung machine was automatically controlled. In this study we show that the miniaturized system functioned reliably under various conditions during cardio

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Jones, Tyson, and Simon C. Benjamin. "Robust quantum compilation and circuit optimisation via energy minimisation." Quantum 6 (January 24, 2022): 628. http://dx.doi.org/10.22331/q-2022-01-24-628.

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We explore a method for automatically recompiling a quantum circuit A into a target circuit B, with the goal that both circuits have the same action on a specific input i.e. B&#x2223;in&#x27E9;=A&#x2223;in&#x27E9;. This is of particular relevance to hybrid, NISQ-era algorithms for dynamical simulation or eigensolving. The user initially specifies B as a blank template: a layout of parameterised unitary gates configured to the identity. The compilation then proceeds using quantum hardware to perform an isomorphic energy-minimisation task, and an optional gate elimination phase t

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Orima, Takemori, and Yoshihiko Horio. "Preliminary experimental results of a stacked 3D cyclic chaotic neural network reservoir integrated circuit." Nonlinear Theory and Its Applications, IEICE 13, no. 2 (2022): 306–11. http://dx.doi.org/10.1587/nolta.13.306.

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Neragi-Miandoab, Siyamek, J. Luis Guerrero, and Gus J. Vlahakes. "Autologous Blood Sequestration Using a Double Venous Reservoir Bypass Circuit and Polymerized Hemoglobin Prime." ASAIO Journal 48, no. 4 (2002): 407–11. http://dx.doi.org/10.1097/00002480-200207000-00015.

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Tagaya, Masashi, Morihiro Matsuda, Masahiro Ryugo, et al. "Is using an open-reservoir cardiopulmonary bypass circuit after 6 days on standby safe?" Interactive CardioVascular and Thoracic Surgery 22, no. 2 (2015): 155–60. http://dx.doi.org/10.1093/icvts/ivv302.

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Nyman, J., C. Rundby, P. Svenarud, and J. van der Linden. "Does CO 2 flushing of the empty CPB circuit decrease the number of gaseous emboli in the prime?" Perfusion 24, no. 4 (2009): 249–55. http://dx.doi.org/10.1177/0267659109350241.

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Twenty (20) CPB-circuits were randomized to a CO2 group or a control group. In the CO 2 group, each circuit was flushed with CO2 (10L/min) at the top of the venous reservoir for 5 minutes, after which priming fluid was added without interruption of the CO2 inflow. Control group circuits were not flushed and contained air. A perfusionist, blinded to the study, started the pump (5L/min), ventilated the oxygenator (3L O2/min), and knocked on the oxygenator 20 times during the first and 14th minutes. Arterial line microemboli counts were registered with a Doppler for 15 minutes. In both groups, th

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Colangelo, N., S. Benussi, G. Piazza, and O. Alfieri. "A simplified technique for antegrade selective cerebral perfusion." Perfusion 17, no. 3 (2002): 187–89. http://dx.doi.org/10.1191/0267659102pf569oa.

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Various methods of cerebral protection have been used during aortic arch surgery. We reviewed our experience with a modified technique for selective cerebral perfusion (SCP) administration during surgery on the thoracic aorta from October 1999. Conventionally, this technique requires an additional roller pump on the cardiopulmonary bypass (CPB) console. In order to simplify the extracorporeal circuit (ECC), the paediatric double-roller pump used for the administration of cardioplegia was utilized by adding a ‘Y-connection’ on the blood line of the cardioplegia circuit, upstream of the cardiopl

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