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Journal articles on the topic 'Pipeline graphique'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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1

Liang, Xiaobin, Fan Fei, Weifeng Ma, Ke Wang, Junjie Ren, and Junming Yao. "Study on Suitability Evaluation Method of Non-Metallic Seals in Long Distance Hydrogen-Doped Natural Gas Pipelines." Processes 12, no. 11 (2024): 2353. http://dx.doi.org/10.3390/pr12112353.

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Hydrogen doping using existing natural gas pipelines is a promising solution for hydrogen transportation. A large number of non-metallic seals are currently used in long-distance natural gas pipelines. Compared with metallic seals, non-metallic seals have the advantages of corrosion resistance, light weight, and easy processing, which can improve the safety and economy of pipelines. In order to ensure the long-term safe use of seals in hydrogen-doped natural gas pipelines, this paper selects the non-metallic seals commonly used in long-distance natural gas pipelines and carries out the hydroge

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2

Bougaenko, S. E., E. Yu Rivkin, and B. S. Rodchenkov. "Strength Aspects of Safety and Life Extension of RBMK Reactors." Journal of Pressure Vessel Technology 113, no. 2 (1991): 141–44. http://dx.doi.org/10.1115/1.2928738.

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RBMK channel power reactors belong to the one-loop boiling water reactors with graphite as a moderator. Equipment, pipelines and core elements are the main components of the coolant recirculation circuit. Analysis in terms of fracture mechanics shows that the circuit elements conform to the “leak-before-break” criterion, with the pipelines and equipment keeping their availability during the whole design operation period. The core is a critical component for the circuit availability.

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Zabulonov, Yu, O. Puhach, Yu Kyseliov, L. Odukalec, and V. Burtniak. "RESTORATION OF WATER BODIES POLLUTED WITH REFINED PRODUCTS USING EXTENDED GRAPHITE SORBENT." Geochemistry of Technogenesis 5, no. 33 (2021): 94–99. http://dx.doi.org/10.15407/geotech2021.33.094.

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Oil and its distillation products play an important role in human life. In the process of distilling oil, we get important products for the life of a modern person. It is hard for a person to live without gasoline, diesel fuel, lubricants and polymeric materials. The chemical industry is also heavily dependent on oil. Oil production makes a significant contribution to the economy and at the same time causes significant damage to the habitat of humans and animals. Nowadays the oil production process may cause oil spills into the upper soil layers and water bodies. Also, the likelihood of accide

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Skrbek, Břetislav. "Operational Degradation of Spheroidal Graphite Cast Iron EN GJS SiMo." Solid State Phenomena 270 (November 2017): 27–33. http://dx.doi.org/10.4028/www.scientific.net/ssp.270.27.

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The specifics of low-alloyed cast irons after EN 16124 standard of type GJS SiMo for high temperature applications of exhaust tracts of internal combustion piston engines. Boundary exposition temperature. Structure failure of cast iron by temperature overloading. Metalography, SEM, XRD of overexposed exhaust pipelines. Failure reason hypothesis of useful properties by exceeding of critical temperature.

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Degnan-Morgenstern, Samuel, Rajeev Gopal, Peng Bai, and Martin Z. Bazant. "Learning the Material Physics of Graphite Electrodes through Image Inversion." ECS Meeting Abstracts MA2024-02, no. 3 (2024): 337. https://doi.org/10.1149/ma2024-023337mtgabs.

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Graphite is the predominant commercial anode chemistry due to its high capacity, affordability, reversible intercalation reactions, and low lithiation potential [1]. Despite its prevalence, the fundamental material physics in graphite remain poorly understood due to the complex interplay of the layered thermodynamics, lithium-ion transport, and reaction kinetics, which introduce many interacting timescales during a dynamic (dis)charge process. Agrawal and Bai employed operando optical microscopy to visualize the dynamic phase transformations and many particle effects out of equilibrium [2]. Th

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6

Tzanis, Evan, Pierpaolo Vivo, Yanik-Pascal Förster, Luca Gamberi, and Alessia Annibale. "Graphie: A network-based visual interface for the UK's primary legislation." F1000Research 12 (March 3, 2023): 236. http://dx.doi.org/10.12688/f1000research.129632.1.

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Background: legislation.gov.uk is a platform that enables users to explore and navigate the many sections of the UK’s legal corpus through its well-designed searching and browsing features. However, there is room for improvement as it lacks the ability to easily move between related sections or Acts and only presents a text-only rendering of provisions. With Graphie, our novel navigational tool (graphie.quantlaw.co.uk), we aim to address this limitation by presenting alternative visualizations of legal documents using both text and graphs. Methods: The building block of Graphie is Sofia, an of

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Abdrabou, Moataz K., Xue Han, Yimin Zeng, and Ying Zheng. "Harnessing the Power of Microwave Irradiation: A Novel Approach to Bitumen Partial Upgrading." Molecules 28, no. 23 (2023): 7769. http://dx.doi.org/10.3390/molecules28237769.

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The partial upgrading of “tar-like” Canadian bitumen is an essential process to reduce its viscosity to an acceptable range that meets the required pipeline specifications. An innovative and potentially greener solution has emerged in the form of microwave irradiation. This work proposes and demonstrates the use of an electrically powered commercial microwave along with carbon-based microwave susceptors (activated carbon, biochar, coke, and graphite) to promote localized thermal cracking within bitumen at a temperature as low as 150 °C, compared to the conventional method of 400 °C. The remark

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Kovalenko, V., K. Rybka, Y. Nikitin, et al. "CALCULATION OF THE OPTIMAL HYDROPOWER UTILIZATION SYSTEM: A CASE STUDY OF A METALLURGICAL ENTERPRISE." Modern Problems of Metalurgy, no. 28 (June 30, 2025): 310–28. https://doi.org/10.34185/1991-7848.2025.01.18.

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This research is dedicated to the development, modeling, and optimization of a hydropower recovery system based on the reuse of secondary water resources within an industrial enterprise. The specific focus is on the graphitization workshop of PJSC "Ukrainian Graphite"–a metallurgical facility where substantial volumes of warm process water are discharged as a byproduct of production. The central objective of this study is to determine the optimal configuration of a water collection and energy conversion system that will enable efficient electricity generation at the lowest possible cost, while

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Feng, Xiaoyong, and Hyun Chul Lee. "A Concept of Online Refueling TRISO-Fueled and Salt-Cooled Reactor." International Journal of Energy Research 2024 (April 16, 2024): 1–14. http://dx.doi.org/10.1155/2024/2548688.

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This paper introduces a novel concept of a TRISO-fueled salt-cooled reactor (TFSCR). The core contains circulating pipes filled with molten salt carrying TRISO particles. The reactor achieves online refueling by slowly circulating the molten salt through the pipeline. The reactor utilizes the same molten salt as the coolant and graphite as the moderator. The reactor design has the characteristics of safety, economy, and nonproliferation. TRISO particles exhibit greater resistance to neutron irradiation, corrosion, oxidation, and high temperatures compared to conventional fuels. A molten salt-c

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10

Asghar, M. Sajid Ali, Muhammad Amir, Umer Hussain, and Mohammed M. Sabri. "Zinc and graphene oxide composites as new protective coatings for oil and gas pipes." Polimery 68, no. 7-8 (2023): 378–85. http://dx.doi.org/10.14314/polimery.2023.7.3.

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A method was developed to obtain a durable coating consisting of zinc and graphene oxide (Zn-GO) in order to reduce the mechanical wear and tear rate of oil and gas pipelines made of steel. Graphene oxide was obtained from graphite by wet chemical oxidation (unmodified and modified Hummers’ method) using potassium permanganate and sulfuric acid. The process was carried out at various temperatures. The steel was covered with an ultrathin layer of Zn-GO using the electrophoretic deposition method. The GO particle size (< 90 nm) was confirmed by XRD and laser analysis. For GO particles obtaine

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Минченков, А. В. "On the mechanism of corrosion resistance of cast iron pipes: theory and practice." Vodosnabzhenie i sanitarnaia tehnika, no. 1 (January 15, 2024): 25–29. http://dx.doi.org/10.35776/vst.2024.01.04.

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Рассмотрены стадии коррозии серого чугуна, в результате чего в процессе многолетнего замещения на графитную составляющую железо металлической матрицы фактически остается законсервированным слоем некорродирующего графита. Благодаря этому срок службы чугунных труб, даже без дополнительной антикоррозионной защиты, реально может достигать 100–150 лет. Коррозионная стойкость высокопрочного чугуна (ВЧШГ) по сравнению с серым чугуном выше в среднем соотношении 0,76. На практике трубы из ВЧШГ поставляются с защитными покрытиями, что обеспечивает дополнительную коррозионную защиту и в течение долгого в

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Haruna, B. I., K. Adebayo, J. E. Sani, G. Moses, and S. I. Ibrahim. "Effect of Ethanol and Acetone Cosolvents in Enhancing Electrokinetic Remediation of Crude Oil Contaminated Soil Obtained from a Pipeline and Storage Company, Kaduna Nigeria." Journal of Applied Sciences and Environmental Management 27, no. 5 (2023): 933–37. http://dx.doi.org/10.4314/jasem.v27i5.7.

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A lot of work has shown that despite the effectiveness of the traditional electrokinetic remediation (EKR) technology in decontaminating soils with different types and amounts of contaminants, it can be enhanced by a number of strategies for extra effective performance. This work presents the effect of ethanol and acetone cosolvents in enhancing EKR of crude oil contaminated soil (COCS), collected at a depth of 1 m from a petroleum pipeline and storage company, Kaduna Nigeria using graphite electrodes to pass 1 V DC/cm across EKR setups enhanced by incorporating 20% ethanol and 20% acetone sep

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13

Chikhray, Yevgeniy, Vladimir Shestakov, Saulet Askerbekov, and Inesh Kenzhina. "THE METHOD OF STABILIZATION OF WATER PRESSURE DURING THE HIGH-TEMPERATURE CORROSION TESTS OF GRAPHITE MATERIALS OF FISSION AND FUSION REACTORS." NNC RK Bulletin, no. 4 (December 30, 2018): 134–38. http://dx.doi.org/10.52676/1729-7885-2018-4-134-138.

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An important technical problem in the study of high-temperature corrosion of graphite materials and SiC-C structures in water vapor in vacuum is to ensure a stable partial pressure (0.001–1.0 Pa) of water vapor in the sample zone. Since the temperature in the sample zone can reach 1400–1700 K, then it is not possible to locate sensors for measuring the vapor pressure there. The paper proposes a method of using metal surfaces of existing or specially introduced elements of a vacuum system (receivers, tanks, pipelines) as a source of water for their controlled heating. Using the computer model o

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Rufat Shahbazov, Rufat Shahbazov. "SOURCES OF WATER POLLUTION AND NANOTECHNOLOGY-BASED WATER PURIFICATION TECHNIQUES." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 46, no. 11 (2024): 203–9. https://doi.org/10.36962/pahtei46112024-23.

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Despite the measures taken in recent years, one of the main reasons for the disruption of the ecological balance of our region is its proximity to countries with somewhat more strained ecosystems. In recent years, the rapid rise of groundwater in Baku city towards the surface should be considered a constant threat to metro stations and their tunnels. Previously, tunnels of the "Academy of Sciences," "Neftchilar," and "Koroglu" metro stations were flooded, and due to long-term oil leakage from the main oil pipelines, both oil and water entered the tunnels. A similar incident occurred in the oil

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15

Wang, Bingqin, Tao Liu, Kai Tao, et al. "A Study of the Mechanisms and Kinetics of the Localized Corrosion Aggravation of Ductile Iron in a Harsh Water Quality Environment." Metals 12, no. 12 (2022): 2103. http://dx.doi.org/10.3390/met12122103.

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Ductile iron is a high-strength cast iron material. The spherical graphite obtained by inoculation treatment effectively improves the mechanical properties of cast iron, resulting in higher strength than carbon steel. However, severe corrosion may occur under specific circumstances, especially in thermal water pipelines. In this paper, the corrosion mechanisms at the main defective points of ductile iron were investigated using microscopic morphological characterization after accelerated tests combined with numerical simulations. The influence law of each environmental factor on the corrosion

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16

Rahimi, Shadi, Teo Lovmar, Alexandra Aulova, et al. "Automated Prediction of Bacterial Exclusion Areas on SEM Images of Graphene–Polymer Composites." Nanomaterials 13, no. 10 (2023): 1605. http://dx.doi.org/10.3390/nano13101605.

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To counter the rising threat of bacterial infections in the post-antibiotic age, intensive efforts are invested in engineering new materials with antibacterial properties. The key bottleneck in this initiative is the speed of evaluation of the antibacterial potential of new materials. To overcome this, we developed an automated pipeline for the prediction of antibacterial potential based on scanning electron microscopy images of engineered surfaces. We developed polymer composites containing graphite-oriented nanoplatelets (GNPs). The key property that the algorithm needs to consider is the de

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17

Sakhanova, Zhaina, Zhenisgul Rakhmetullina, Roza Mukasheva, Raushan Mukhamedova, Indira Uvaliyeva, and Galina Vityuk. "Identification of the regularities of the thermohydraulic processes of the cooling system of an experimental device based on a mathematical model." Eastern-European Journal of Enterprise Technologies 6, no. 1 (126) (2023): 38–51. http://dx.doi.org/10.15587/1729-4061.2023.292208.

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The article is devoted to the study of a nitrogen supply system for cooling an experimental device designed for testing in a pulsed reactor with a graphite moderator. To analyze emergency situations caused by disruption of the nitrogen supply system in the cooling paths of the fuel assembly cover and the experimental device power housing, a mathematical model has been developed to describe thermodynamic processes in a system of interconnected tanks that simulate individual sections of the experimental device hydrodynamic cooling system in a pulsed graphite reactor and implemented in the mathem

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18

Quej-Ake, L. M., and A. Contreras. "Electrochemical study on the corrosion rate of X52 steel exposed to different soils." Anti-Corrosion Methods and Materials 65, no. 1 (2018): 97–106. http://dx.doi.org/10.1108/acmm-12-2016-1737.

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Purpose The purpose of this work is to study the corrosion rate of X52 pipeline steel exposed to three types of soils collected in Campeche State in México. The electrochemical evaluation for X52 steel exposed to soils ranging from saturated soil until dry conditions was carried out for a period of 21 days. Owing to its versatility to study the steel corrosion process exposed to different types of soils, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization and cyclic voltammetry tests were performed. Additionally, optical and electronic microscopy observations of the stee

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Osundare, Ayomide, Daniel Toyin Oloruntoba, and Patricia Popoola. "Development of carbon anode for cathodic protection of mild steel in chloride environment." Anti-Corrosion Methods and Materials 65, no. 2 (2018): 158–65. http://dx.doi.org/10.1108/acmm-07-2017-1817.

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Purpose The purpose of this paper is to develop technically efficient and economically effective sacrificial anodes that can be used for cathodic protection (CP) of pipelines in marine environment and fill the knowledge gap in the use of carbon anodes for CP. Design/methodology/approach A sacrificial anode was produced via sand casting by adding varying weight-percent of coal and ferrosilicon to a constant weight-percent of grey cast iron. The hardness of the produced anodes was evaluated using a Rockwell hardness tester. The microstructure of the anodes was observed with scanning electron mic

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Adebayo, K., G. Moses, J. Sani Engbonye, B. Haruna Ibrahim, and F. Balarabe. "Filter media enhanced electrokinetic remediated crude oil contaminated soil: investigation of its engineering properties and its suitability for road construction." Nigerian Journal of Technology 42, no. 2 (2023): 175–84. http://dx.doi.org/10.4314/njt.v42i2.3.

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Research have shown how electrokinetic remediation (EKR) technology attempts to tackle the challenge of soil contamination by crude oil. However, the suitability of the resulting remediated soils for use in road construction have not been well reported. This work investigates the engineering properties of filter media enhanced electrokinetic remediated crude oil contaminated soil (COCS) with a view to ascertain its suitability for use in road construction by comparing the performance of charcoal and active carbon as filter materials. COCS collected at a depth of 1m from the Nigerian Pipeline a

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Khromchenko, F. A., V. A. Lappa, V. V. Veter, M. I. Samoilov, and N. Apripadcheva. "Calculation and experimental evaluation of the service life of welded joints in a nodular graphite cast iron pipeline for mechanical loading conditions. Part I ‐ experimental procedure and material." Welding International 14, no. 12 (2000): 975–78. http://dx.doi.org/10.1080/09507110009549301.

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Dronyuk, N. N., V. I. Kyryliv, A. V. Shalko, V. A. Anderson, and I. N. Dronyuk. "Cold-resistant high-strength cast iron (HCC) – production, use and problems of its development." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 26, no. 101 (2024): 199–203. http://dx.doi.org/10.32718/nvlvet-f10130.

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It is common knowledge that at low and ultra-low temperatures, many metals and alloys are prone to cold brittleness, which leads to the destruction of bridges, pipelines, gas-pumping compressors and other equipment. As such material, it is advisable to use high-strength, cold-resistant cast iron with nodular graphite (HCV). The importance of manufacturing technology development, properties research and implementation of cold-resistant high-strength cast iron is shown. The effect of heat treatment on its mechanical properties was studied. HF castings, compared to billets from steel casting and

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Lamari, Farida, Benno Weinberger, Patrick Langlois, and Daniel Fruchart. "Instances of Safety-Related Advances in Hydrogen as Regards Its Gaseous Transport and Buffer Storage and Its Solid-State Storage." Hydrogen 5, no. 3 (2024): 387–402. http://dx.doi.org/10.3390/hydrogen5030022.

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As part of the ongoing transition from fossil fuels to renewable energies, advances are particularly expected in terms of safe and cost-effective solutions. Publicising instances of such advances and emphasising global safety considerations constitute the rationale for this communication. Knowing that high-strength steels can prove economically relevant in the foreseeable future for transporting hydrogen in pipelines by limiting the pipe wall thickness required to withstand high pressure, one advance relates to a bench designed to assess the safe transport or renewable-energy-related buffer st

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Nusa, M. N. Setia, and Hernadi. "Penipisan Pipa Ketel Akibat Elemen Korosif Air." Material Komponen dan Konstruksi 15, no. 2 (2019): 17. http://dx.doi.org/10.29122/mkk.v15i2.3374.

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Abstract Inspection and testing is done to determine the metallurgical phenomena that occur on the boiler pipes that have been operating several years continuously at a temperature of 560 ° C. The study is also intended to determine the operational feasibility of the pipeline and to avoid undetected damage. Investigation of these pipes is also carried out in the laboratory with micro-structure analysis method, inspection crust, tensile test, bending test, hardness and thickness test. From the analysis of the microstructure, boiler pipes are in condition ferrite pearlite spheroidization with a

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Gasper, Paul, Andrew Schiek, Yuta Shimonishi, Kandler Smith, and Shuhei Yoshida. "Lithium-Ion Battery Diagnostics Using Electrochemical Impedance Via Machine-Learning." ECS Meeting Abstracts MA2023-01, no. 1 (2023): 397. http://dx.doi.org/10.1149/ma2023-011397mtgabs.

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Diagnosing battery states such as health, state-of-charge, or temperature is crucial for ensuring the safety and reliability of electrochemical energy storage systems. While some states, such as temperature, may be measured using cheap sensors, accurate diagnosis of battery health metrics usually requires time-consuming performance measurements, making them infeasible for use in real-world operation. These health metrics can be measured during lab-testing and then estimated on-line using predictive life models or via state observer algorithms such as Kalman filters, but these predictive method

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Ji, Yuefan, and Daniel T. Schwartz. "NMC Charge Transfer Symmetry Breaks during Cycle Aging of Lithium-Ion Cells." ECS Meeting Abstracts MA2024-01, no. 2 (2024): 375. http://dx.doi.org/10.1149/ma2024-012375mtgabs.

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Second harmonic nonlinear electrochemical impedance spectroscopy (2nd-NLIES) is a uniquely capable method for probing the symmetry of charge transfer in an electrochemical cell. [1,2] Kirk et al. are the first to try and quantify this symmetry-breaking using 2nd-NLEIS, but the single particle model (SPM) was not ideally matched to the thick porous electrodes under study. [3] Recently, we have introduced a systematic development of a porous electrodes model to describe the 2nd-NLEIS response along with the equivalent circuit presentation to bridge the gap between analytical solutions and well-a

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Rouan, Daniel, Anthony Boccaletti, Clément Perrot, et al. "MIRI-JWST mid-infrared direct imaging of the debris disk of HD 106906." Astronomy & Astrophysics 698 (June 2025): A113. https://doi.org/10.1051/0004-6361/202452302.

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Context. We report MIRI-JWST coronagraphic observations at 11.3 and 15.5 μm of the debris disk around the young star HD 106906. The wavelength range is sensitive to the thermal emission of the dust heated by the central star. Aims. The observations were made to characterize the structure of the disk through the thermal emission, to search for clues to the presence of a central void of dust particles, and to derive the mass of the dust and the temperature distribution. Another goal was also to constrain the size distribution of the grains. Methods. The data were reduced and calibrated using the

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Carnevali, Antonio, M. Palacin, Clare P. Grey, and Alejandro A. Franco. "Volta: A Tool for Battery Screening Bridging the Gap between Virtual Electrode Materials and Practical Applications." ECS Meeting Abstracts MA2023-02, no. 1 (2023): 51. http://dx.doi.org/10.1149/ma2023-02151mtgabs.

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For millennia, materials science has relied on the paradigm of empiricism to describe the physical world and to fuel technological advance. It was only some centuries ago that the paradigm of mathematical modelling was introduced, boosting scientific knowledge with the introduction of laws in the form of equations. Their predictive capability proved essential to the human understanding of nature, but, as the complexity of the problems increased over time, equations became more and more impenetrable, with analytical solutions being often rather challenging to determine. Electronic computers cut

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Lübke, Erik, Lukas Helfen, Roland Brunner, et al. "Investigation of Silicon-Based Anodes for Li-Ion Batteries Using X-Rays and Neutron 3D/4D Imaging Techniques." ECS Meeting Abstracts MA2022-01, no. 2 (2022): 424. http://dx.doi.org/10.1149/ma2022-012424mtgabs.

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Silicon-based anode materials are one of the most promising approaches to further increase the energy density of lithium-ion batteries. However, current materials are limited by poor cycling stability and rapid capacity fading, mainly caused by the massive volume expansion of Si during lithiation and subsequent strain on the material composite. [1] Furthermore, this electrode swelling also results in continuous solid electrolyte interface (SEI) growth, which hinders the migration of Lithium and leads to permanent capacity loss. [2] [3] To optimize these materials, analytical techniques able to

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Thatipamula, Sai, Muhammad Aadil Khan, and Simona Onori. "On-Board Diagnostics for Li-Ion Batteries Using Electrochemical Impedance Spectroscopy (EIS)-Based Health Estimation Models." ECS Meeting Abstracts MA2024-01, no. 53 (2024): 2802. http://dx.doi.org/10.1149/ma2024-01532802mtgabs.

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There exists a growing need for standardized On-Board Diagnostics (OBD) for electric vehicles [1] to provide accurate health metrics and guarantees to both consumers and manufacturers. Previous work has shown the powerful LIB capacity-based State-of-Health (SoH) estimation capability of Electrochemical Impedance Spectroscopy (EIS) measurements and data-driven models [2] [3]. Since EIS measurements are dependent not only on SoH but also State-of-Charge (SoC) and temperature [4], it is important that the measurements are conducted after the cell reaches an equilibrium, and that these other varia

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Monty-Bromer, Chelsea, Sai Prasanna Chinthala, Joshua Davis, Anwar Sadek, and John Senko. "Investigation of the Corrosion Mechanism for Sulfate Reducing Bacteria (SRB) Using a Split-Chamber Zero Resistance Ammetry Technique." ECS Meeting Abstracts MA2022-01, no. 16 (2022): 992. http://dx.doi.org/10.1149/ma2022-0116992mtgabs.

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Microbiologically influenced corrosion (MIC) is one of the most aggressive forms of corrosion leasing to infrastructure and equipment damage in various industries, including oil and gas, water systems, medical devices, marine environments, nuclear waste storage facilities, and aviation fuel systems and storage. During the last 10 year, PHMSA estimates that MIC has caused 503 internal corrosion incidents at a reported property damage of $188 million and a loss of 53,000 barrels of oil. Some common bacteria associated with MIC are sulfate-reducing bacteria (SRB), iron and CO2 reducing bacteria a

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Pilyasov, A. N. "New Russian Arctic." Economy of regions 20, no. 2 (2024): 347–52. http://dx.doi.org/10.17059/ekon.reg.2024-2-1.

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Dear readers! We present to your attention a unique project of a thematic interdisciplinary issue of the journal devoted to modern problems of the development of the Russian Arctic. He brought together a team of several dozen professionals — scientists of different generations, from various fields of humanities (economists, geographers, demographers, sociologists), from academic institutes and universities in Moscow, Syktyvkar, Petrozavodsk, Vologda, Yekaterinburg, Khabarovsk and Magadan, who for many years have been passionate about the topic of studying the economic and social development of

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Wyss, Jeffrey, Janna Martinek, Michael Kerins, et al. "Rapid Solar-thermal Decarbonization of Methane in a Fluid-wall Aerosol Flow Reactor -- Fundamentals and Application." International Journal of Chemical Reactor Engineering 5, no. 1 (2007). http://dx.doi.org/10.2202/1542-6580.1311.

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A graphite fluid-wall aerosol flow reactor heated with concentrated sunlight has been developed over the past five years for the solar-thermal decarbonization of methane. The fluid-wall is provided by an inert or compatible gas that prevents contact of reactants and products of reaction with a graphite reaction tube. The reactor provides for a low thermal mass that is compatible with intermittent sunlight and the graphite construction allows rapid heating/cooling rates and ultra-high temperatures. The decarbonization of methane has been demonstrated at over 90% for residence times on the order

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Francesco Iacoviello and Vittorio Di Cocco. "Degenerated graphite nodules influence on fatigue crack paths in a ferritic ductile cast iron." Frattura ed Integrità Strutturale, no. 34 (September 28, 2015). http://dx.doi.org/10.3221/igf-esis.34.45.

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Focusing on ferritic-pearlitic DCIs, these alloys are characterized by a microstructure that ranges from a fully ferritic to a completely pearlitic matrix, and they are widely used for many applications (e.g. wheels, gears, crankshafts in cars, exhaust manifolds, valves, flywheels, boxes bearings, hubs, shafts, valves, flanges, pipelines ...). Considering the graphite elements, their morphology can be considered as degenerated when its nodularity is too low and this can be due to different causes (e.g., a partially failed nodularization process or a wrong inoculant). In this work, a ferritic D

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Garkusha, Pawel, Benjamin Kasper, Christian Geiger, et al. "Photodiode-based focus monitoring in ultrashort-pulsed laser structuring of graphite anodes for lithium-ion batteries." Journal of Laser Applications 36, no. 4 (2024). http://dx.doi.org/10.2351/7.0001565.

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In recent years, there has been an increased demand for elaborate monitoring techniques in laser material processing. This has been driven by the need for fast and cost-efficient quality assurance processes. At the same time, ultrashort-pulsed (USP) laser radiation has emerged as a promising technology for creating intricate microstructures in lithium-ion battery graphite anodes due to its high precision and negligible thermal impact. However, the integration of process monitoring in USP laser applications for graphite anode structuring is still unexplored. There is a lack of clarity on suitab

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Sotoodeh, Karan. "Valve Operability During a Fire." Journal of Offshore Mechanics and Arctic Engineering 141, no. 4 (2019). http://dx.doi.org/10.1115/1.4042073.

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Fire and explosion are a major cause of concern for refinery, gas processing, petrochemical, and gas installations. The safest way to deal with a fire is to prevent it. However, fire prevention strategies are not always successful, and fires can happen. Therefore, valves should be designed and tested to be fire-safe. This paper reviews valve design features that can help prevent fires, including secondary sealing between the ball and body in case of losing a soft seat, a graphite fire-safe ring design for stem and seat sealing, antistatic devices, and antistatic tests to ensure that the valve

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Kireev, Sergey Yu, Vladimir N. Shtepa, Svetlana N. Kireeva, et al. "Wastewater Treatment of Food Industry Using Electrochemically Generated Ferrates." Journal of Sustainable Materials Processing and Management 4, no. 2 (2024). http://dx.doi.org/10.30880/jsmpm.2024.04.02.001.

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The article considers a complex technology for electrochemical wastewater treatment from a meat processing plant. The process of water treatment includes a sequential processing in graphite and iron anode-based electrochemical modules, and exposure in maturation and homogenization chamber. Ferrate generation has been evidenced in the iron anode-based module, and ferrates concurrently acting as mild oxidants, coagulants, and steel corrosion inhibitors. The electrochemical potential of ferrates ranges from 1.3 to 1.5 V in aqueous solutions for the pH values between 6 and 8. Provided an increase

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Nusa, M. N. Setia, and Hernadi . "PENIPISAN PIPA KETEL AKIBAT ELEMEN KOROSIF AIR." Material Komponen dan Konstruksi 16, no. 1 (2016). http://dx.doi.org/10.29122/mkk.v16i1.3287.

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Inspection and testing is done to determine the metallurgical phenomena that occur on the boiler pipes that have been operating several years continuously at a temperature of 560 ° C. The study is also intended to determine the operational feasibility of the pipeline and to avoid undetected damage.Investigation of these pipes is also carried out in the laboratory with micro-structure analysis method, inspection crust, tensile test, bending test, hardness and thickness test.From the analysis of the microstructure, boiler pipes are in condition ferrite pearlite spheroidization with a crust that

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Alam, AHM Zahirul. "Editorial Page." IIUM Engineering Journal 20, no. 1 (2019). http://dx.doi.org/10.31436/iiumej.v20i1.1164.

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 CHIEF EDITOR Ahmad Faris Ismail, IIUM, Malaysia EXECUTIVE EDITOR AHM Zahirul Alam, IIUM, Malaysia ASSOCIATE EDITOR Anis Nurashikin Nordin, IIUM, Malaysia LANGUAGE EDITOR Lynn Mason, Malaysia COPY EDITOR Hamzah Mohd. Salleh, IIUM, Malaysia EDITORIAL BOARD MEMBERS Abdullah Al-Mamun, IIUM, Malaysia Abdumalik Rakhimov, IIUM, Malaysia Amir Akramin Shafie, IIUM, Malaysia Erry Yulian Triblas Adesta, IIUM, Malaysia Erwin Sulaeman, IIUM, Malaysia Hanafy Omar, Saudi Arabia Hazleen Anuar, IIUM, Ma

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