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Journal articles on the topic 'Safety shut-off device'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Brolhorst, Jacki, Brittney Peterson, and David W. Holt. "Flow Awareness as a New Safety Device for Cardiopulmonary Bypass." Journal of ExtraCorporeal Technology 51, no. 1 (2019): 20–25. http://dx.doi.org/10.1051/ject/201951020.

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Safety devices such as bubble detectors and level detectors have been in use for more than 40 years and initially reduced the risks associated with gaseous emboli during cardiopulmonary bypass; however, the risks have not been eliminated. This research explored a new safety device designed to further reduce these risks: Flow Awareness Technology. This device visually alerts the perfusionist when the ratio of venous return does not equal the amount of arterial flow. To determine the efficacy of this device, 33 participants with no perfusion background were randomly assigned to Group A (flow awa

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Xu, Libo, Jun Ye, Yexin Chen, and Hejun Xu. "Application of Module Level Power Electronics Technology in Distributed Photovoltaic Power Generation System." Journal of Physics: Conference Series 2731, no. 1 (2024): 012020. http://dx.doi.org/10.1088/1742-6596/2731/1/012020.

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Abstract Distributed photovoltaic power generation system usually adopts series wiring scheme, which has problems such as high voltage DC electrical safety risk, power mismatch of modules and maintenance management difficulty. Three schemes of module level power electronics technology are proposed, including string inverter with rapid shutdown device, string inverter with module optimizer and micro inverter. The electrical shut-off, power generation data monitoring, power optimization and inverter function characteristics of each scheme are described and compared, and the suggested application

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Venudhar Rao Hajari, Abhishek Pandurang Benke, Dr. Punit Goel, Dr. Arpit Jain, and Er. Om Goel,. "Advances in High-Frequency Surgical Device Design and Safety." Darpan International Research Analysis 12, no. 3 (2024): 269–82. http://dx.doi.org/10.36676/dira.v12.i3.82.

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Modern surgical treatments are more precise, effective, and safe because to high-frequency surgical equipment design. Electrosurgical units, laser systems, and sophisticated ultrasonic instruments provide accurate tissue cutting, coagulation, and ablation with little heat damage, revolutionizing surgery. These devices work at frequencies higher than typical surgical instruments, improving control and reducing collateral harm.Advances in engineering and technology improve high-frequency surgical equipment safety and performance. Advanced safety features including real-time feedback systems and

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Кулаков, В. Г., А. Е. Мешалкин, А. В. Григорьев та А. С. Люкшин. "МЕТОДЫ ИСПЫТАНИЙ РЕЗЕРВУАРОВ ИЗОТЕРМИЧЕСКИХ ПОЖАРНЫХ В ПРОЕКТЕ МЕЖГОСУДАРСТВЕННОГО СТАНДАРТА «УСТАНОВКИ ГАЗОВОГО ПОЖАРОТУШЕНИЯ АВТОМАТИЧЕСКИЕ. РЕЗЕРВУАРЫ ИЗОТЕРМИЧЕСКИЕ ПОЖАРНЫЕ. ОБЩИЕ ТЕХНИЧЕСКИЕ ТРЕБОВАНИЯ. МЕТОДЫ ИСПЫТАНИЙ»". Pozharnaia bezopasnost`, № 2(119) (9 червня 2025): 66–73. https://doi.org/10.37657/vniipo.pb.2025.48.13.006.

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Приведено описание изотермического пожарного резервуара, его составных частей: запорно-пускового устройства, холодильных агрегатов, весового устройства и приборов управления. Отмечены достоинства изотермического пожарного резервуара и условия его эксплуатации. Проведен аналитический обзор литературных источников по применению изотермического пожарного резервуара в составе агрегатной автоматической установки газового пожаротушения. Представлены методы испытаний основного элемента автоматической установки газового пожаротушения — изотермического пожарного резервуара и запорно-пускового устройств

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Halim, Abdul, Mangkona Mangkona, Muh Taufik, and Andi Saputra. "RANCANG BANGUN SAFETY DEVICE COOLING DOWN AUTOMATIC PADA UNIT HEAVY EQUIPMENT DOZER D3K CATERPILLAR BERBASIS MICROCONTROLLER." Jurnal Poli-Teknologi 20, no. 1 (2021): 85–93. http://dx.doi.org/10.32722/pt.v20i1.3496.

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The occurrence of problems regarding operating procedures that are not suitable for heavy equipment in the field is one of the causes of component life which is not maximally achieved. Therefore it is necessary to have an innovation to make it easier to monitor and operate heavy equipment, especially when there is a shift in work shift for heavy equipment operators. Operator experience in several mining activities, many operators shut down the engine suddenly so that the impact on the engine can cause over heating which results in excessive wear and will have an impact on engine performance. A

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Koroleva, M. R., O. V. Mishchenkova, V. A. Tenenev, and T. Raeder. "Nonlinear Processes in Safety Systems for Substances with Parameters Close to a Critical State." Nelineinaya Dinamika 17, no. 1 (2021): 119–38. http://dx.doi.org/10.20537/nd210109.

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The paper presents a modification of the digital method by S. K. Godunov for calculating real gas flows under conditions close to a critical state. The method is generalized to the case of the Van der Waals equation of state using the local approximation algorithm. Test calculations of flows in a shock tube have shown the validity of this approach for the mathematical description of gas-dynamic processes in real gases with shock waves and contact discontinuity both in areas with classical and nonclassical behavior patterns. The modified digital scheme by Godunov with local approximation of the

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Zhulkov, Maksim, Alexander Golovin, Alexander Grenaderov, et al. "Test Procedure for a New Type of a Ventricular Assist Device Based on a Viscous Friction Pump." Journal of Experimental and Clinical Surgery 13, no. 3 (2020): 256–61. http://dx.doi.org/10.18499/2070-478x-2020-13-3-256-261.

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Introduction. Currently, the possibility of effective correction of multiple organ failure and increasing the life expectancy of patients with critical heart failure using the ventricular assist devices (VAD) is absolutely evidenced. The development of alternative analogues of such devices produced within the country has been an urgent problem for many decades. The design of this machine requires the development of a protocol for carrying out complex biomedical studies on the biocompatibility and safety of the new device.The aim of the study was to develop a protocol for testing and conducting

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Kumar, Ashok, and Pankaj Kumar Pathak. "Automated Gas Line Shut Off Mechanism Using Solenoid Operated Valve and Gas Leak Detector (At the Event of Gas Leakage in PNG Line)." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 03 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem29324.

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Gas leaks that cause deadly flames have become a major issue in homes and other places where domestic gas is handled and utilized. Gas leaks cause a variety of mishaps that result in financial damage as well as personal injuries and/or loss. The project’s goal is to create a system that detects gas leaks and notifies the subscriber through alarm and status display, as well as shutting off the gas supply valve as the main safety precaution. The turning off of the supply valve prevents further gas flow to the cooker, preventing a fire breakout caused by an attempt to ignite the cooker. The devic

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Raza, Ahmad. "AI-Enabled Wireless Predictive Battery Health Monitoring System for Electric Vehicles." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 07 (2025): 1–9. https://doi.org/10.55041/ijsrem51143.

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The exponential growth of electric vehicles (EVs) necessitates reliable, smart, and cost-effective battery monitoring systems. This paper proposes an innovative AI-enabled, wireless Lithium-ion battery packs used in electric vehicles are managed by a battery management system (BMS). Our design integrates edge computing with machine learning to enable real-time, predictive health monitoring and early fault detection. Wireless sensors gather critical parameters such as temperature, voltage, and gas emissions, transmitting data to a central edge device running lightweight AI models. In the event

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Ghorpade, Shankar. "Design and Development of Microcontroller Based Adjustable Power Supply with Embedded Safety Controls." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem50023.

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Abstract—The project focused on developing A Microcontroller Based Adjustable Power Supply used for High Energy Material Ignition with in-built Safety Features, a device designed to provide variable current as required, incorporating multiple safety features and capable of checking load continuity. The initial phase involved simulating the partial circuit using Proteus Software, LTSpice, and MPLab X IDE, ensuring accurate modelling and performance verification. Electrical components with safe current and voltage ratings were integrated to enhance safety and efficiency. The circuit was designed

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Prayitno, Adhy, and Imron Masykuri. "Warning System and Automatic Engine Cut off Control Deveploment for Heavy Machine; A Case Study on KOMATSU PC130F-7." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 63, no. 2 (2019): 1–5. https://doi.org/10.36842/jomase.v63i2.157.

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An alert and automatic engine cut-off system is an integrated device to prevent the machine from experiencing sudden damage while operating. This system works using feedback principles controller as one component of the regulatory system that functions to process the feedback signal and the reference input signal or error signal becomes a control signal. The purpose of this study is to design a preventive system as a form of controller development for the heavy machine. As a case study, the system is employed on Komatsu PC130F-7 Excavator for engine cut-off functions if there are errors or abn

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Manochandar, S. "AI-Enhanced Smart Cooking Pot: A Culinary Companion with Intelligent Sensing." IETI Transactions on Data Analysis and Forecasting (iTDAF) 2, no. 2 (2024): 41–55. http://dx.doi.org/10.3991/itdaf.v2i2.48757.

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This research introduces SmartCook, an avant-garde kitchen appliance that amalgamates sensor technologies, artificial intelligence (AI), and machine learning to redefine the art of cooking. The device employs an array of sensors, including temperature, moisture, infrared, proximity, electronic tongue, and electronic nose, ingeniously positioned in the lid with foodgrade silicon transparent sealing. This design ensures a non-intrusive manner of sensing, preserving the integrity of both the food and the sensors. SmartCook operates in two modes: Cooking Mode, where experienced users store their p

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Berestovitsky, E. G., Y. F. Gladilin, and N. V. Pyalov. "Development of hydraulic devices with elastic regulating elements." VESTNIK of Samara University. Aerospace and Mechanical Engineering 22, no. 2 (2023): 33–41. http://dx.doi.org/10.18287/2541-7533-2023-22-2-33-41.

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Currently, when creating the actuators of deep-sea vehicles and other technical facilities, there is a tendency to accommodate the elements of the hydraulic drive outside the durable housing. Such hydraulic systems are subject to the risk of depressurization, which leads to the ingress of working fluid (mineral oils or synthetic working fluids) into seawater and flooding of the hydraulic system's working fluid with seawater. The ingress of the working fluid into seawater leads to the violation of environmental safety, and if seawater enters the internal cavities of the hydraulic system, they m

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Deshkar, Sudatta Walmik, Mr H. N. Sayankar, and Dr Vinod S. Gorantiwar. "Finite Element Analysis of Butterfly Valve." International Journal for Research in Applied Science and Engineering Technology 10, no. V (2022): 3310–20. http://dx.doi.org/10.22214/ijraset.2022.42456.

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The main objective of this project is shape optimization and structural stability of the butterfly valve for metallic and non-metallic materials butterfly valve is mostly used in the engine carburettors need to make structural stability and shape optimization plays the main role for this component, design modifications and material comparative analysis done in ANSYS Structural modules and find the optimized shape through stress, strain and deformation results. Valves for hydro power projects are installed for safety, maintenance, and shut-off, as well as for flow and pressure regulation. A But

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Zhang, Jingxuan, Hexu Sun, Zexian Sun, Yan Dong, and Weichao Dong. "Open-Circuit Fault Diagnosis of Wind Power Converter Using Variational Mode Decomposition, Trend Feature Analysis and Deep Belief Network." Applied Sciences 10, no. 6 (2020): 2146. http://dx.doi.org/10.3390/app10062146.

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The power converter is a significant device in a wind power system. The wind turbine will be shut down and off grid immediately with the occurrence of the insulated gate bipolar transistor (IGBT) module open-circuit fault of the power converter, which will seriously impact the stability of grid and even threaten personal safety. However, in the existing diagnosis strategies for the power converter there are few single and double IGBT module open-circuit fault diagnosis methods producing negative results, including erroneous judgment, omissive judgment and low accuracy. In this paper, a novel m

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Hajebian, Harvak, Courthney chambers, Dinora Murota, Rachelle Lodescar, and Joseph Turkowski. "647 Full Thickness Burn Injuries from Heated Insole Device Explosions: First Case Series." Journal of Burn Care & Research 46, Supplement_1 (2025): S212. https://doi.org/10.1093/jbcr/iraf019.276.

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Abstract Introduction Lithium-ion batteries, developed in the 1990s, are commonly used in devices such as laptops, smartphones, and medical equipment. One application is heated insoles, designed to warm feet during activities like hiking and skiing. These insoles have thin heating elements between layers of insulation, powered by a rechargeable battery typically in the heel, reaching temperatures of 110 to 140 degrees Fahrenheit for up to 8 hours. They feature adjustable heat settings and automatic shut-off for safety. However, overheating of the battery’s electrolyte can lead to “thermal runa

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Ламков, И. М., Е. А. Пахомов та Л. А. Головина. "Особенности обеспечения электробезопасности в помещениях баз газодымозащитной службы". Сибирский пожарно-спасательный вестник, № 1(36) (4 квітня 2025): 88–95. https://doi.org/10.34987/vestnik.sibpsa.2025.82.87.008.

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В статье рассмотрены вопросы обеспечения электробезопасности в помещениях баз газодымозащитной службы. Компрессорные установки, предназначенные для заправки воздухом баллонов дыхательных аппаратов, являются источниками потенциальной опасности поражения электрическим током мастера ГДЗС на рабочем месте. Причинами травм может быть возникновение токов утечки на корпусе установки, обусловленных ослаблением контактных соединений из-за вибрации оборудования и старения изоляции при длительной эксплуатации, повышенной температуры, влажности или отклонений значений номинального напряжения. Также следст

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Erwinnanto, Yohan, Andi Kurniawan N, and Sri Heranurweni. "RANCANG BANGUN SMART HOME AUTOMATIC CONTROL dengan KOMUNIKASI MELALUI BLUETOOTH HC-05 BERBASIS MIKROKONTROLER ARDUINO dan ANDROID." Elektrika 9, no. 2 (2017): 1. http://dx.doi.org/10.26623/elektrika.v9i2.1092.

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<p><strong>D</strong>esign of Smart Home Automatic Control with Communications Via Bluetooth HC-05-Based Microcontroller Arduino and Android, will provide all the comfort, safety, security and energy savings, which takes place automatically and programmed via microcontroller, the house or building. Design of Smart Home Automatic with Control Communications Via Bluetooth HC-05-Based Microcontroller Arduino and Android is intended for automatic control processes.</p><p>The system consists of seven sensors, keypad password for security doors, HC-05 Bluetooth GSM alar

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Xu, Zhe, Bing Guan, Lixin Wei, Shuangqing Chen, Minghao Li, and Xiaoyu Jiang. "Investigation of Hydrogen-Blended Natural Gas Pipelines in Utility Tunnel Leakage and Development of an Accident Ventilation Strategy for the Worst Leakage Conditions." Applied Sciences 14, no. 6 (2024): 2667. http://dx.doi.org/10.3390/app14062667.

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The development of hydrogen-blended natural gas (HBNG) increases the risk of gas transportation and presents challenges for pipeline security in utility tunnels. The objective of this study is to investigate the diffusion properties of HBNG in utility tunnels and evaluate the effectiveness of various ventilation mechanisms. The numerical simulation software Fluent 2023 R1 is applied to simulate and analyze the leakage of small holes in a HBNG pipeline in the natural gas compartment. By examining the leaking behavior of HBNG through small holes in different circumstances, we aimed to identify t

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Земский, Г. Т., И. Э. Амелин, and Н. В. Кондратюк. "System for monitoring and analysis of distributed parameters and fire safety of a Smart home." Pozharnaia bezopasnost`, no. 1(110) (March 15, 2023): 42–51. http://dx.doi.org/10.37657/vniipo.pb.2023.110.1.004.

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В статье сообщается о принципе действия, составе и результатах испытания системы обеспечения безопасности «умного дома». Показано, что в отличие от пожарных извещателей (в том числе газовых), реагирующих на изменение химического состава атмосферы, вызванного воздействием пожара, автоматика «умного дома» извещает владельцев жилища об отклонениях в доме от заданных нормальных параметров до возникновения пожара. При этом возможно устранение причин изменений параметров атмосферы как по команде владельца жилища, так и по заранее введенной программе. Апробация системы мониторинга основных параметров

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Ermoshin, N. A., O. I. Nikolyuk, A. S. Mokrushin, and A. Y. Bakaushin. "Mobile Equipment for Transportation and Storage of Water Reserves." IOP Conference Series: Earth and Environmental Science 988, no. 3 (2022): 032052. http://dx.doi.org/10.1088/1755-1315/988/3/032052.

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Abstract In conditions of reduced freshwater reserves, the problem of its extraction of transportation and storage requires scientific justification of the relevant technical and technological solutions and the development of technical means. The article offers a mobile drinking water module. The design of the module provides for its placement in a thermally insulated container including a system of heating, power supply, distribution, filling and disinfection of water. For the development of the drinking water module, modern technical solutions are used to reduce the heat loss of the tank due

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Akimenko, Andrey, Evgeniy Anikeev, and Roman Medvedev. "Methodology and algorithm for calculating of local pressure losses in pipelines." Modeling of systems and processes 16, no. 4 (2023): 7–15. http://dx.doi.org/10.12737/2219-0767-2023-16-4-7-15.

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The article is devoted to the hydraulic calculation of pipelines. For the storage of liquid products used in the national economy, there are tanks, which are usually combined into tank farms. Equipment for transporting liquids within the tank farm includes pumping units, pipelines, shut-off and control devices, etc. The growing needs of the economy create the necessity of build new and expand existing storage facilities for liquid products at industrial and transport objects. Hydraulic calculation is an important part of the tank farms pipeline systems design. This paper presents a methodology

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Vishnu Sakthi D, Et al. "Precision Gas Leakage Detection System with Integrated Sensors." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 10 (2023): 39–43. http://dx.doi.org/10.17762/ijritcc.v11i10.8462.

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Gas leaks pose significant safety risks in both residential and industrial settings, making gas leakage detectors essential safety devices for many years. These detectors serve the crucial function of identifying the presence of hazardous gases, such as carbon monoxide, and activating an alarm system to promptly alert occupants of the building. This innovative gas leak detection system leverages mobile technology, integrating phone calls, SMS, WhatsApp, and GPS location services. Additionally, it features a unique capability to shut off the power supply in the affected area, providing a real-t

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Sheikh, Shoaib, Dileep Kumar, Abdul Hakeem, and Arsalan Muhammad Soomar. "Protection System Design of Induction Motor for Industries." Modelling and Simulation in Engineering 2022 (August 31, 2022): 1–13. http://dx.doi.org/10.1155/2022/7423018.

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The fundamental and durable structures of induction motor, as well as their low manufacturing cost, make them popular components in a wide range of current applications. Providing a safety net for employees is a must-have for businesses. This project’s motivation for improvement is to provide industrial motors, lift motors, pumps, and so on with safety. An induction motor’s primary goal is to protect it from problems, such as single phasing and overheating, as well as other issues. Providing industrial motors, pumps, lift motors, and other similar devices with security is a major motivation be

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Park, Sang-Yong, and Hyo-Sang Choi. "Operation Characteristics of Mechanical DC Circuit Breaker Combined with LC Divergence Oscillation Circuit for High Reliability of LVDC System." Energies 14, no. 16 (2021): 5097. http://dx.doi.org/10.3390/en14165097.

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DC systems are modernly starting to come into the spotlight again due to the carbon-neutral policy, the development of semiconductor devices for power, and the increase in digital loads. We need to prepare in advance solutions to problems that may arise from fault currents due to transients for future DC power grid models. In the case of DC, there is no current zero-point because there is no frequency. Therefore, a large switching surge is generated when the circuit breaker cuts off the fault current. The possibility of insulation breakdown is greater than that of AC in severe cases. We consid

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Rybakov, Vladimir, Olga Gracheva, Mikhail Ogurtsov, Saydiolimkhon Abdusattarhuzha, and Ikbaloy Raimova. "The blast relief sandwich panel fixing under the explosion energy action." E3S Web of Conferences 264 (2021): 02002. http://dx.doi.org/10.1051/e3sconf/202126402002.

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This article is devoted to the assessment of the efficiency of using wall sandwich panels with mineral wool core, sheathing made of galvanized steel with a polymer coating, used as blast-relief panels. The article presents the developed seating unit for the wall sandwich panel at the moment of the explosion energy influence. As a result of the experiments carried out, when an excess pressure of no more than 3.0 kPa in the room is reached, the safety shut-off devices ensure the discharge of the displaced element, which avoids damage to the main elements of the frame. According to the results of

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Chlenov, Anatoliy Nikolaevich, Tatyana Anatolyevna Butcinskaya, Dmitry Nikolaevich Rubtsov, Andrey Vladimirovich Fedorov, and Vladislav Igorevich Smirnov. "Evaluation of performance of automatic emergency protection systems." Technology of technosphere safety 96 (2022): 180–89. http://dx.doi.org/10.25257/tts.2022.2.96.180-189.

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Introduction. Emergency protection systems are an indispensable element of modern automated control systems for fire and explosion hazardous technological processes. The protection of personnel, process equipment and the environment depends on their timely operation. Therefore, the methodology for quantifying the performance of the Emergency Protection System in the design and analysis is of undoubted practical interest. Targets and goals. The goal is to develop an algorithm and methodology for quantifying the response time of the protection system in the pre-emergency mode of operation of a t

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Korotkikh, Ekaterina Dmitrievna, Alexander Nikolaevich Korkishko, Grigory Yuryevich Karavashkin, Roman Sergeevich Rudakov, and Sergey Mikhailovich Kornev. "OBJECTS OF THE OIL AND GAS COMPLEX: MONITORING, SAFETY, TECHNOLOGIES." SCIENTIFIC LIFE 19, no. 6 (2024): 1142–48. https://doi.org/10.35679/1991-9476-2024-19-6-1142-1148.

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The scientific article is devoted to an overview of the problems of the oil and gas complex (NGK) facilities, such as monitoring, safety and technology. The article also describes modern approaches to monitoring and its content. This article presents the structure of NGCs, the specifics of the activities of enterprises that have the most significant impact on the organization of monitoring. The results of this study were obtained through a theoretical review and analysis of scientific literature. In conclusion, the authors summarized the results of the work of the oil and gas complex and its m

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Soboleva, Julia A., Abdulmejid M. Kerimov, Shamil Sh Anudinov, and Maxim A. Kocharov. "Operation Simulation for a Check Valve Used in High-Performance Systems." Civil Engineering Journal 9, no. 12 (2023): 3202–17. http://dx.doi.org/10.28991/cej-2023-09-12-017.

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This research aims to increase the reliability and safety of pipeline systems by creating an improved model range of Butterfly Check Valves (BCV). Pipes through which working fluids are transported, parts related to shut-off and control valves, control measuring instruments, fasteners, anticorrosion elements, and other structural components are the main elements that make up pipelines. Fittings can be of different types; BCV refers to protective ones. These devices protect pipelines by disconnecting the working line in the event of a sudden change in the transported fluid parameters (pressure,

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Смелков, Герман Иванович, Виктор Александрович Пехотиков, Геннадий Васильевич Боков, and Антон Александрович Назаров. "FIRE SAFETY PROBLEMS OF THE THERMAL ACCELERATION MODE IN LITHIUM STORAGE BATTERIES." Pozharnaia bezopasnost`, no. 4(109) (December 16, 2022): 73–79. http://dx.doi.org/10.37657/vniipo.pb.2022.109.4.008.

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На основе анализа результатов многочисленных зарубежных и национальных исследований установлены виды аварийных режимов, вызывающих загорания литиевых аккумуляторных батарей, а также даны рекомендации по их превентивной защите. Рассмотрено такое явление, как тепловой разгон литиевого аккумулятора. Отмечается, что условием возникновения теплового самовоспламенения, т. е. перехода медленной реакции окисления в горение (при определенных условиях - во взрыв) является нагрев смеси до температуры, при которой скорость тепловыделения за счет реакции окисления превышает скорость теплоотвода из зоны гор

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Anar Pirmuradov, Anar Pirmuradov. "BALL VALVE FORCE CALCULATION." ETM - Equipment, Technologies, Materials 21, no. 03 (2024): 95–102. http://dx.doi.org/10.36962/etm21032024-15.

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Valves are devices that are installed in pipelines, used devices and change cross-sections and regulate the flow of liquid or gas. Valves are divided into a number of types depending on the purpose of use: connecting-regulating, regulating, protective, special. The ball valve belongs to the group of connecting and regulating valves. Other valves, including the ball valve, consist of three main parts. These parts are the body, the transmission and the working body. In terms of body structure, they are of two types: straight and angled. In models with a straight body, the direction of flow at th

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Rahul Brahmbhatt. "Empowering Patient-Centric Communication: Integrating Quiet Hours for Healthcare Notifications with Retail & E-Commerce Operations Strategies." Journal of Information Systems Engineering and Management 10, no. 23s (2025): 64–87. https://doi.org/10.52783/jisem.v10i23s.3677.

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Notification overload in healthcare has become a major challenge, which in turn causes alarm fatigue and unnecessary stress for patients and healthcare staff. This article introduces “Quiet Hours,” where notifications are reduced or delayed to reduce disturbances and keep patient safety at heart. One solution to these alerts is Quiet Hours, where alerts such as lab results, vital sign changes, and other alerts that can interrupt the patient’s recovery and affect staff’s ability to recuperate are shut off within a certain time frame. This paper explores a patient-centric framework to balance ti

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Makama, MBBS, FWACS, FACS, Jerry Godfrey, Istifanus Anekoson Joshua, MBBS, MPH, and Elizabeth Jerry Makama, RN, RM, PGDDRMDS, MDRMDS. "Family emergency plan and preparedness among medical practitioners in Zaria, Nigeria." Journal of Emergency Management 14, no. 6 (2016): 423. http://dx.doi.org/10.5055/jem.2016.0306.

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Background: There has been an increase in the incidence of disasters in many parts of the world. Similarly, Nigeria has witnessed a recent increase of man-made disaster events such as plane crash, fire incidents, flood, and building collapse, including bomb blast orchestrated by terrorists that often create emergency situations. Therefore, the aim of the study was to evaluate family emergency plan and preparedness among medical practitioners in Zaria.Methods: This was a cross-sectional descriptive study (May-July, 2013) of medical practitioners in Zaria, Nigeria. The structured questionnaire s

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Smolentsev, E. V., M. V. Kondratev, E. V. Pavlov, and V. V. Kuts. "Non-abrasive Finishing of Mating Surfaces of Machine Parts Using Mixed Techniques with Electromagnetic Fields Application." Proceedings of the Southwest State University 24, no. 3 (2020): 51–65. http://dx.doi.org/10.21869/2223-1560-2020-24-3-51-65.

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In various branches of mechanical engineering, faucets, valves, gate valves and other shut-off devices are manufactured and used. Their main purpose is to regulate the flow rate and direction of flows of liquid and gas media. Features of such products in the aerospace and petrochemical engineering are special strict requirements due to the specificity of their operation. These include, for example, high pressure, resistance to aggressive, fire-and explosive environments, leaks of which are unacceptable according to safety rules and environmental legislation. The design of such products, as a r

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Tanaka, Hideaki, Anthony J. Medak, Jay Duchnick,, and Peter Lindholm. "Wireless Point-of-Care Ultrasound in a Multiplace Hyperbaric Chamber." Undersea and Hyperbaric Medicine, January 1, 2023. http://dx.doi.org/10.22462/01.01.2023.7.

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Background: Electronic devices remain highly restricted from use during hyperbaric oxygen treatment (HBO2) due to risk of fire in a pressurized, oxygen-rich environment. Over recent decades, point-of-care ultrasound (POCUS) has established utility in most clinical environments except hyperbaric chambers, where only heavily-modified POCUS devices have been used.This study evaluated proof-of-concept, safety, and performance of a wireless off-the-shelf handheld POCUS device in the hyperbaric environment. Materials and Methods: The GE Vscan Air was initially tested in a Class C chamber with 100% n

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Spinelli, Lisa, Christine Trudell, Lisa Edelstein, and Mike Reding. "Abstract TP137: Robotic Upper Limb Therapy by a Trained Volunteer on an Inpatient Stroke Rehabilitation Unit." Stroke 48, suppl_1 (2017). http://dx.doi.org/10.1161/str.48.suppl_1.tp137.

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Introduction: Having a therapist observe patients engaged in Robotic Upper Limb Therapy (RULT) is considered inefficient use of a therapist’s time and skill. We therefore assessed the feasibility of (RULT) administered by a trained volunteer. Methods: The Volunteer had two 30-minute training sessions by an Occupational Therapist (OT) rehearsing the MIT-Manus Planar Upper Limb Robotic software applications, proper positioning of the patient, and device shut-off and safety considerations. Initial patient sessions were supervised by the patient’s OT until the Volunteer demonstrated satisfactory p

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James, Tiffeny, and Andrew Clark. "Fire risk and safety for people living with dementia at home: A narrative review of international literature and case study of fire and rescue services in England." Dementia, February 13, 2025. https://doi.org/10.1177/14713012251320251.

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Background: Most people living with dementia prefer to continue living at home. However, as dementia progresses, people may become more susceptible to risk including cooking accidents that can lead to fire. This is a common concern cited by people living with dementia, family carers, and healthcare professionals, but research in this area is lacking. Methods: To identify initiatives, interventions, and guidance around fire safety for people living with dementia at home, first we conducted a narrative review of international literature. Next, we used England as a case study by searching all Eng

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Lerner, Miriam Nathan. "Narrative Function of Deafness and Deaf Characters in Film." M/C Journal 13, no. 3 (2010). http://dx.doi.org/10.5204/mcj.260.

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Introduction Films with deaf characters often do not focus on the condition of deafness at all. Rather, the characters seem to satisfy a role in the story that either furthers the plot or the audience’s understanding of other hearing characters. The deaf characters can be symbolic, for example as a metaphor for isolation representative of ‘those without a voice’ in a society. The deaf characters’ misunderstanding of auditory cues can lead to comic circumstances, and their knowledge can save them in the case of perilous ones. Sign language, because of its unique linguistic properties and its la

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Dorney, Marcel. "Don't Lean on the Window." M/C Journal 2, no. 5 (1999). http://dx.doi.org/10.5204/mcj.1771.

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'Shut up, Graeme; I want to see those two rooting.'-- Description by a spectator of her own thoughts during Bulldog Front, Underground Productions, Cement Box Theatre, Brisbane, June 1999. A split scene in a small theatre, with a transverse stage faced from both sides by audiences. On a raised platform, two co-workers from a recruitment firm hired to sell forced-labour camps for the unemployed to the Australian public extend their awkward flirtation to a slow, gentle sexual encounter. Separated by several metres and a small patch of light, their shaven-headed supervisor stares down a gun barre

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Nunes, Mark, and Cassandra Ozog. "Your (Internet) Connection Is Unstable." M/C Journal 24, no. 3 (2021). http://dx.doi.org/10.5204/mcj.2813.

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It has been fifteen months since the World Health Organisation declared the COVID-19 outbreak a global pandemic and the first lockdowns went into effect, dramatically changing the social landscape for millions of individuals worldwide. Overnight, it seemed, Zoom became the default platform for video conferencing, rapidly morphing from brand name to eponymous generic—a verb and a place and mode of being all at once. This nearly ubiquitous transition to remote work and remote play was both unprecedented and entirely anticipated. While teleworking, digital commerce, online learning, and social ne

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