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Journal articles on the topic 'Heat-isolation materials'

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1

Sun, Zi Qiang, Chang Zheng Chen, and Huang Liu. "Vibration Reduction of Water Source Heat Pump Units Based on Particle Damping Materials." Advanced Materials Research 532-533 (June 2012): 220–23. http://dx.doi.org/10.4028/www.scientific.net/amr.532-533.220.

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Spring vibration isolators and rubber damping vibration isolators are often used in active isolation engineering of water source heat pump units. The method is inefficient in shock and low frequency vibration isolation. Because the stiffness of equipments reduces with the isolation system the vibration severity itself becomes too big for working safely. Particle damping materials can absorb vibration energy to reduce vibration. The paper testifies that successful application of particle damping materials in vibration reduction of water source heat pump units is a practical simple way with low
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2

Vaziri, Sam, Eilam Yalon, Miguel Muñoz Rojo, et al. "Ultrahigh thermal isolation across heterogeneously layered two-dimensional materials." Science Advances 5, no. 8 (2019): eaax1325. http://dx.doi.org/10.1126/sciadv.aax1325.

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Heterogeneous integration of nanomaterials has enabled advanced electronics and photonics applications. However, similar progress has been challenging for thermal applications, in part due to shorter wavelengths of heat carriers (phonons) compared to electrons and photons. Here, we demonstrate unusually high thermal isolation across ultrathin heterostructures, achieved by layering atomically thin two-dimensional (2D) materials. We realize artificial stacks of monolayer graphene, MoS2, and WSe2 with thermal resistance greater than 100 times thicker SiO2 and effective thermal conductivity lower
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3

А. Pshinko, А. Krasnyuk, Е. Gromovа, and А. Shcherbak. "EFFECTIVE INSULATION FROM WASTE MATERIAL GLASS INDUSTRY." Bridges and tunnels: Theory, Research, Practice, no. 2 (June 11, 2015): 67–70. http://dx.doi.org/10.15802/bttrp2012/26120.

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The article deals with one of the areas of recycling glass industry as an effective heat-isolation materials. Modern insulating material with high physical-mechanical and former expluatation properties have foam glass.
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4

Patil, Ganesh U., Oluseyi Babatola, Daniel Hsieh, Sanjiv Sinha, and Kathryn Matlack. "Three-dimensional periodic multifunctional lattice materials for simultaneous vibration isolation and heat conduction." Journal of the Acoustical Society of America 148, no. 4 (2020): 2578–79. http://dx.doi.org/10.1121/1.5147155.

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5

Wang, Lingyun, Weidong Zhu, Qing Wang, Qiang Xu, and Yinglin Ke. "A heat-balance method for autoclave process of composite manufacturing." Journal of Composite Materials 53, no. 5 (2018): 641–52. http://dx.doi.org/10.1177/0021998318788918.

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In composite manufacturing, large composite parts usually exhibit high heating gradients during the autoclave process, which may intensify the process-induced residual stresses and deformations. As the thermal behavior of molds is of crucial importance to the curing performance of composites, a heat-balance method is presented to reduce the heating rate on overheated areas of molds, thus providing a more homogeneous curing process. The method is based on a local-isolation structure installed under the mold plate, which is used to change the local heat transfer coefficient of the mold. In the l
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Kulakov, Oleg, Maksym Kustov, Albert Katunin, and Oleksii Roianov. "Investigation of the Impact Properties of the Material of the Isolation on the Parameters of the Loaded Cable Lines." Key Engineering Materials 954 (August 31, 2023): 125–33. http://dx.doi.org/10.4028/p-kyj7ky.

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The thermodynamic model of work of the loaded cable line is presented. The received mathematical ratio allows to define the maximum allowed current loadings of the cable line in the form of a single-core cable product with the single-layer isolation depending on material and thickness of layer of isolation. It is constructed dependences of the maximum allowed current for a single-core wire of a certain section with one layer rubber (or polyvinilchloride) isolation from insulation layer thickness at various temperatures of the environment and the coefficients of the heat conductivity.
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7

Van Keer, R., and A. Handlovicová. "On a mathematical model for the heat transmission through transparent isolation materials in buildings." Mathematical Modelling of Systems 1, no. 2 (1995): 127–37. http://dx.doi.org/10.1080/13873959508837013.

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8

Pastushkov, P. P., S. I. Gutnikov, N. V. Pavlenko, D. Yu Zheldakov, and M. D. Stolyarov. "Heat conductivity of aerogel-based rolled materials for high-thermal isolation for equipment and pipelines." IOP Conference Series: Materials Science and Engineering 896 (August 13, 2020): 012103. http://dx.doi.org/10.1088/1757-899x/896/1/012103.

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9

Houghton, J. M., D. B. Ingham, and P. J. Heggs. "The One-Dimensional Analysis of Oscillatory Heat Transfer in a Fin Assembly." Journal of Heat Transfer 114, no. 3 (1992): 548–52. http://dx.doi.org/10.1115/1.2911316.

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Studies of the transient heat transfer within extended surfaces have so far considered the fins in isolation. The isolated fin model is not representative of the physical boundary conditions within an extended surface heat exchanger since it does not account for the thermal effects of the supporting interface. The aim of this study is to extend the work on transient heat transfer within finned surfaces by incorporating the supporting wall in the problem. A mathematical one-dimensional solution for harmonic oscillatory heat transfer in a fin assembly is derived. It is concluded that, unlike ste
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10

Sun, Chuang, Yang Zhao, De Fu Li, Qing Ai, and Xin Lin Xia. "Thermal Response Characteristics of Flat Plate Heated by High Temperature and High Speed Flow." Applied Mechanics and Materials 448-453 (October 2013): 3316–19. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.3316.

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According to the view of heat transfer, the process of the fluid flow with high temperature and high speed over a flat plate may be considered as the heat transfer process within a compressible thermal boundary layer. Based on the numerical results of thermal isolation assumption, combining the temperature comparison with modification method, a coupled method of convection heat transfer coefficient with temperature field of the plate is established, and the characteristics of the thermal response for the flat plate is dominated. Take some ribbed plates as instances, the convection heat transfe
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11

Arunkumar, Dr S., Abishek S, Akshaikarthik R, Bharath K, and Boobalan R. "DESIGN AND OPTIMIZATION OF AMR FOR SMART INDUSTRIAL MATERIAL HANDLING." International Journal of Engineering Applied Sciences and Technology 10, no. 01 (2025): 91–95. https://doi.org/10.33564/ijeast.2025.v10i01.013.

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— Design and optimization of a heat-resistant pallet for an Autonomous Mobile Robot (AMR) intended for industrial material handling. The pallet is engineered to withstand loads up to 500 kg and surface temperatures reaching 200°C, addressing a common industrial challenge where heat transfer from hot materials can damage AMR components. The solution involves a multi-layered pallet structure, combining high-temperature insulation materials such as ceramic composites, mica sheets, and GFRP, designed to resist heat while maintaining structural integrity. A detailed CAD model of the pallet was deve
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12

Li, Zhen, Lei Wu, Hu Zhang, Yueming Li, and Heow Pueh Lee. "Dual-functional metamaterial with vibration isolation and heat flux guiding." Journal of Sound and Vibration 469 (March 2020): 115122. http://dx.doi.org/10.1016/j.jsv.2019.115122.

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13

Zhang, Jin, Vibha Srivastava, James McD Stewart, and Jamie Underwood. "Heat-tolerance in Cotton Is Correlated with Induced Overexpression of Heat-Shock Factors, Heat-Shock Proteins, and General Stress Response Genes." Journal of Cotton Science 20, no. 3 (2016): 253–62. http://dx.doi.org/10.56454/rvzh6368.

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Breeding for heat tolerance is complicated by the polygenic nature of the trait and genetic engineering awaits delineation of the molecular mechanisms. To understand heat-tolerance mechanisms in cotton (Gossypum hirsutum L.), the world’s most important natural fiber crop, this study compared expression of selected heat-stress response genes between heat-tolerant (VH260 and MNH456) and heat-sensitive (ST213 and ST4288) cotton genotypes. Cotton orthologs of selected Arabidopsis heat-stress response genes included two heat-stress transcription factors, three heat-shock proteins, and the general s
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14

Kim, Min-Kyeong, Yang-Kyu Choi, and Jun-Young Park. "Power Reduction in Punch-Through Current-Based Electro-Thermal Annealing in Gate-All-Around FETs." Micromachines 13, no. 1 (2022): 124. http://dx.doi.org/10.3390/mi13010124.

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Device guidelines for reducing power with punch-through current annealing in gate-all-around (GAA) FETs were investigated based on three-dimensional (3D) simulations. We studied and compared how different geometric dimensions and materials of GAA FETs impact heat management when down-scaling. In order to maximize power efficiency during electro-thermal annealing (ETA), applying gate module engineering was more suitable than engineering the isolation or source drain modules.
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15

Zhu, Xiao Yan, Yong Li, Jia Ping Wang, Ya Wei Zhai, Jun Bo та Jian Fang Zhang. "Preparation of Both Reactive α-Si3N4 and SiC Mixed Powder in Flame-Isolation Nitridation Shuttle Kiln". Key Engineering Materials 512-515 (червень 2012): 17–23. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.17.

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α-Si3N4 possesses excellent sintering activity, which is used to prepare high performance Si3N4-based ceramics and composite refractory. Si3N4 powder is always synthesized by nitriding silicon in controlled-atmosphere furnace whose furnace volume is very small(effective volume: 1840×1420×1660mm), the extreme reaction heat is difficult to diffuse, which leads to high reaction temperature and conversion of α-Si3N4 to β-Si3N4, thus α-Si3N4 is difficult to be obtained in controlled-atmosphere furnace. While flame-isolation nitridation shuttle kiln has much larger furnace volume to conduct reactio
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16

Graf, Marius, Matthias Kuntz, Hermann Autenrieth, and Ralf Müller. "Investigation of Size Effects Due to Different Cooling Rates of As-Quenched Martensite Microstructures in a Low-Alloy Steel." Applied Sciences 10, no. 15 (2020): 5395. http://dx.doi.org/10.3390/app10155395.

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Martensite transformation is a complex mechanism in materials that is classically initiated by a suitable heat treatment. This heat treatment process can be optimized based on a better understanding of the physical mechanisms on the length scale of several prior austenite grains. It is therefore appropriate to consider individual process steps of heat treatment in isolation. The aim of this study is to characterize the microstructural size changes caused by a variation of the cooling rate applied during the quenching process. For this purpose, individual martensitic microstructures from differ
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17

Marušáková, Daniela, Petra Bublíková, Jan Berka, Jiří Hamáček, and Jana Kalivodová. "Microstructure Evaluation of Ceramic Materials Used in the Generation IV Reactors." Materials Science Forum 891 (March 2017): 462–67. http://dx.doi.org/10.4028/www.scientific.net/msf.891.462.

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Ceramics are candidate materials for high temperature reactors as perspective materials for fuel claddings, isolation, holders, exchangers and other heat-stressed components. In this context, particularly Al2O3 which can resist high temperatures is often mentioned as cladding material. Ceramics can also be used for high-temperature systems, mainly for components that are not directly exposed to neutron flux in the reactor core. Under this study, high alumina products - mullite Lunit 73, alumina products Luxal 203 and AG 202 were exposed to the high-temperature air atmosphere and helium atmosph
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18

Jahan, Aklima, Md Ashraful Alam, Sekai Yonezawa, Eiichi Suzuki, and Hitoshi Yashiro. "(Digital Presentation) Corrosion Behavior of Aluminum-Carbon Composite Bipolar Plates in Polymer Electrolyte Membrane Fuel Cells." ECS Transactions 108, no. 7 (2022): 131–41. http://dx.doi.org/10.1149/10807.0131ecst.

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Bipolar plate, aluminum is one of the most promising alternatives that can capable of uniform distribution of reactive gases over active areas and removal of the heat and exhaust water from the PEMFC. In this work, PEM fuel cell was operated using the bipolar plate constructed of two materials: a channel former made of glassy carbon and a gas isolation plate made of aluminum. Aluminum gas isolation plate at cathode side remained glossy after even1000 h cell operation. In contrast, an oxide layer with a thickness of about 1 μm was formed on the gas isolation plate at anode side. In the simulate
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19

Edward, Lisowski, and Lisowski Filip. "Influence of vacuum level on insulation thermal performance for LNG cryogenic road tankers." MATEC Web of Conferences 240 (2018): 01019. http://dx.doi.org/10.1051/matecconf/201824001019.

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In this paper, thermal properties of materials for evacuated insulation systems of double-walled cryogenic tanks were discussed. Than the comparison of insulation variants for LNG cryogenic road tankers was presented. The use of several layers of insulation made of materials such as aerogel and fiberglass or the use of multilayer isolation (MLI) has been compared to the use of perlite powder. The average heat flux through the tank walls and insulation system has been compared under different vacuum levels and in the absence of vacuum. The comparative analysis was performed by applying transien
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20

Sukamto, Dwinanto, François Gloriant, and Monica Siroux. "Thermal performance evaluation of a bioclimatic ventilated wall using a Hot Box." E3S Web of Conferences 294 (2021): 04003. http://dx.doi.org/10.1051/e3sconf/202129404003.

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Nowadays, external isolation is highly recommended for both building renovation and new building construction. This isolation requires the installation of structure protecting the insulating materials from the humidity and weather variations. One of the current techniques is the installation of ventilated facades. The recovered energy by this process could be used in winter for the preheating of ventilated air or could be evacuated in summer to protect the building from potential overheating. This study describes the design and application of Hot Box developed specifically to test the thermal
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21

Goodluck, Chigozie Okwuokei, Ginikachi Okafor Janet, Akinboyewa Ibukun, et al. "Isolation and characterization of bacteria from babies heat prickly powder purchased in Umuahia, Abia state." World Journal of Advanced Research and Reviews 20, no. 1 (2023): 1063–70. https://doi.org/10.5281/zenodo.12515807.

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<strong>Aim:&nbsp;</strong>To isolate and Characterize Bacteria from Babies Heat Prickly powders purchased in Umuahia, Abia state <strong>Method:&nbsp;</strong>A total of Ten (10) Baby heat prickly powder samples were randomly purchased from different market locations in Umuahia, Abia state. Isolation and identification of Bacteria were conducted using standard microbiological techniques. Bacteria were Characterized using standard microbiological and biochemical test. <strong>Results:&nbsp;</strong>The isolated Bacteria include&nbsp;<em>Staphylococcus aureus</em>,&nbsp;<em>Bacillus</em>&nbsp;s
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22

Lisowski, Edward, and Filip Lisowski. "Study on thermal insulation of liquefied natural gas cryogenic road tanker." Thermal Science 23, Suppl. 4 (2019): 1381–91. http://dx.doi.org/10.2298/tsci19s4381l.

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The tanks designed for liquefied natural gas transport must be thermally insulated from the environment due to the low condensing temperature of the gas. The effectiveness of thermal insulation significantly affects the tank's operating parameters and its operating costs. As there is no perfect insulation, there is a need for analyses that would determine its suitability in specific applications. In this paper the issue of heat transfer through double-walled cryogenic tanks with evacuated insulation system was discussed. Afterwards the study of insulation variants of liquefied natural gas cryo
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23

Yan, Zhizhong, and Ercong Cheng. "A Novel Monte Carlo Method to Calculate the Thermal Conductivity in Nanoscale Thermoelectric Phononic Crystals Based on Universal Effective Medium Theory." Mathematics 11, no. 5 (2023): 1208. http://dx.doi.org/10.3390/math11051208.

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Thermal reduction by enhancing heat-generation phonon scattering can improve thermoelectric performance. In this paper, the phonon transport subjected to internal heat generation in two-dimensional nanoscale thermoelectric phononic crystals is investigated by a novel Monte Carlo method based on the universal effective medium theory, called the MCBU method. The present approach is validated. Compared with the universal effective medium theory method, the MCBU method is easier to implement. More importantly, the deviation of the computation time between the two methods can be ignored. With almos
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24

Olawade, David, Melissa McLaughlin, Yinka Adeniji, Gabriel Egbon, Arghavan Rahimi, and Stergios Boussios. "Urban Microclimates and Their Relationship with Social Isolation: A Review." International Journal of Environmental Research and Public Health 22, no. 6 (2025): 909. https://doi.org/10.3390/ijerph22060909.

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Urban microclimates, which include phenomena such as urban heat islands (UHIs) as well as cooler environments created by shaded areas and green spaces, significantly affect social behavior and contribute to varying levels of social isolation in cities. UHIs, driven by heat-absorbing materials like concrete and asphalt, can increase urban temperatures by up to 12 °C, discouraging outdoor activities, especially among vulnerable populations like the elderly and those with chronic health conditions. In contrast, shaded areas and green spaces, where temperatures can be 2–5 °C cooler, encourage outd
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Orzechowski, Tadeusz, and Mateusz Orzechowski. "Optimal thickness of various insulation materials for different temperature conditions and heat sources in terms of economic aspect." Journal of Building Physics 41, no. 4 (2017): 377–93. http://dx.doi.org/10.1177/1744259117708733.

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The article presents the methodology for calculating the optimal insulation thickness that is related to the quality of energy supply and fuel prices. Assuming that the total cost following renovation is the sum of the costs of heating and thermal upgrading, it was shown that when calculating the optimal insulation thickness, the thermal resistance of the outer walls should be taken into account. Such calculations, in addition to the characteristics of the heat source, should be carried out taking into account local weather conditions. The study presents the results of such calculations for th
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26

Sukarno, Ragil, Nandy Putra, Imansyah Ibnu Hakim, Fadhil Fuad Rachman, and Teuku Meurah Indra Mahlia. "Utilizing heat pipe heat exchanger to reduce the energy consumption of airborne infection isolation hospital room HVAC system." Journal of Building Engineering 35 (March 2021): 102116. http://dx.doi.org/10.1016/j.jobe.2020.102116.

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27

Kamperidou, Vasiliki, and Paschalina Terzopoulou. "Anaerobic Digestion of Lignocellulosic Waste Materials." Sustainability 13, no. 22 (2021): 12810. http://dx.doi.org/10.3390/su132212810.

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Nowadays, the climate mitigation policies of EU promote the energy production based on renewable resources. Anaerobic digestion (AD) constitutes a biochemical process that can convert lignocellulosic materials into biogas, used for chemical products isolation or energy production, in the form of electricity, heat or fuels. Such practices are accompanied by several economic, environmental and climatic benefits. The method of AD is an effective method of utilization of several different low-value and negative-cost highly available materials of residual character, such as the lignocellulosic wast
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28

Kizys, Marina M. L., Mirian G. Cardoso, Susan C. Lindsey, et al. "Optimizing nucleic acid extraction from thyroid fine-needle aspiration cells in stained slides, formalin-fixed/paraffin-embedded tissues, and long-term stored blood samples." Arquivos Brasileiros de Endocrinologia & Metabologia 56, no. 9 (2012): 618–26. http://dx.doi.org/10.1590/s0004-27302012000900004.

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OBJECTIVE: Adequate isolation of nucleic acids from peripheral blood, fine-needle aspiration cells in stained slides, and fresh and formalin-fixed/paraffin-embedded tissues is crucial to ensure the success of molecular endocrinology techniques, especially when samples are stored for long periods, or when no other samples can be collected from patients who are lost to follow-up. Here, we evaluate several procedures to improve current methodologies for DNA (salting-out) and RNA isolation. MATERIALS AND METHODS: We used proteinase K treatment, heat shock, and other adaptations to increase the amo
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Goodluck Chigozie Okwuokei, Janet Ginikachi Okafor, Ibukun Akinboyewa, et al. "Isolation and characterization of bacteria from babies heat prickly powder purchased in Umuahia, Abia state." World Journal of Advanced Research and Reviews 20, no. 1 (2023): 1063–70. http://dx.doi.org/10.30574/wjarr.2023.20.1.1271.

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Aim: To isolate and Characterize Bacteria from Babies Heat Prickly powders purchased in Umuahia, Abia state Method: A total of Ten (10) Baby heat prickly powder samples were randomly purchased from different market locations in Umuahia, Abia state. Isolation and identification of Bacteria were conducted using standard microbiological techniques. Bacteria were Characterized using standard microbiological and biochemical test. Results: The isolated Bacteria include Staphylococcus aureus, Bacillus sp, Staphylococcus epidermidis and Pseudomonas aeruginosa. Staphylococcus aureus had the highest per
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30

Anas, K., Samson David, R. R. Babu, M. Selvakumar, and S. Chattopadhyay. "Energy dissipation characteristics of crosslinks in natural rubber: an assessment using low and high-frequency analyzer." Journal of Polymer Engineering 38, no. 8 (2018): 723–29. http://dx.doi.org/10.1515/polyeng-2016-0425.

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AbstractThe dynamic deformation of a viscoelastic material can cause heat generation. This heat generation is an aspect of energy dissipation. The present paper investigates the contribution of crosslink type and density on energy dissipation mechanism in natural rubber compounds. The influences of these elements are investigated using a very high frequency (VHF) analyzer (VHF 104) and a dynamical mechanical analyzer (DMA). The VHF 104 analyzer follows transmissibility and vibration isolation principle, whereas DMA works on dynamical mechanical the deformation principle. Higher crosslink densi
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31

Rivas-Ordonez, Faider S., Alex O. Meza-Munoz, Ingrid E. Madera-Sierra, et al. "Alternatives for Enhancing Mechanical Properties of Recycled Rubber Seismic Isolators." Polymers 16, no. 16 (2024): 2258. http://dx.doi.org/10.3390/polym16162258.

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Base isolators, traditionally made from natural rubber reinforced with steel sheets (SERIs), mitigate energy during seismic events, but their use in developing countries has been limited due to high cost and weight. To make them more accessible, lighter, cost-effective reinforcement fibers have been utilized. Additionally, the increasing use of natural rubber has caused waste storage and disposal issues, contributing to environmental pollution and disease spread. Exploring recycled rubber matrices as alternatives, this study improves seismic isolators’ mechanical properties through modified re
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Tregubov, Dmytro, Ilgar Dadashov, Vitalii Nuianzin, Olena Khrystych, and Natalya Minska. "Relationship Between Properties of Floating Systems and Flammable Liquids in the Stopping Their Burning Technology." Key Engineering Materials 954 (August 31, 2023): 145–55. http://dx.doi.org/10.4028/p-krzrd9.

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The contributions balance of isolation and cooling effects relative to the liquids surface to slow down their evaporation and to achieve safe vapor concentrations is determined. The influence of liquids characteristic temperatures and their water solubility on this process is considered. It is proven that the long-term effect of such means is provided by systems based on closed-pore floating solid materials (for example, foam glass). It is proposed to increase the foam glass low isolation and cooling capacity either by coating it with an inorganic gel or by wetting it with water. Smaller evapo
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Goodluck Chigozie Okwuokei, Janet Ginikachi Okafor, Ibukun Akinboyewa, et al. "Isolation and characterization of bacteria from babies heat prickly powder purchased in Imo State University, Owerri." GSC Advanced Research and Reviews 21, no. 1 (2024): 320–27. http://dx.doi.org/10.30574/gscarr.2024.21.1.0366.

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Aim: To isolate and Characterize Bacteria from Babies Heat Prickly powders purchased in Owerri, Imo State. Method: A total of Ten (10) Baby heat prickly powder samples were randomly purchased from different market locations in Umuahia, Abia state. Isolation and identification of Bacteria were conducted using standard microbiological techniques. Bacteria were Characterized using standard microbiological and biochemical test. Results: The isolated Bacteria include Staphylococcus aureus, Bacillus sp, Staphylococcus epidermidis and Pseudomonas aeruginosa. Staphylococcus aureus had the highest perc
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Wu, Dan, Ning Xia, Keke Ma та ін. "Numerical Simulation of β-Ga2O3 Single Crystal Growth by Czochralski Method with an Insulation Lid". Crystals 12, № 12 (2022): 1715. http://dx.doi.org/10.3390/cryst12121715.

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The effect of an insulation lid on the growth of 4-inch β-Ga2O3 single crystals by the Czochralski method is analyzed by numerical simulation. The insulation lid mainly hinders upward radiant heat transfer from the melt and crucible and increases the axial temperature gradient in the crystal. Such benefits make the melt/crystal interface convex, which is conducive to suppressing spiral growth and growing large crystals with high quality. Materials with low thermal conductivity λ and low emissivity ε are the optimal choices for making an insulation lid. The inner hole has a great influence on t
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Umnyakova, Nina, Igor Bessonov, Alex Zhukov, and Ekaterina Zinoveva. "Arctic Climate Insulation Systems." MATEC Web of Conferences 298 (2019): 00012. http://dx.doi.org/10.1051/matecconf/201929800012.

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The article describes the features of the implementation of insulation systems in extreme climatic conditions, including in conditions of significant negative and alternating temperatures, high wind speeds and more. It is noted that the adaptation of building systems to similar operating conditions places special demands on heat-insulating materials, as well as resistance to mechanical and climatic influences, vapor permeability, and stability of properties for the entire period of operation. Taking into account the temperature regime of the polar territories, it becomes necessary to develop s
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Ovchinnikov, Vasiliy P., Pavel V. Ovchinnikov, Alexander V. Melekhov, and Oksana V. Rozhkova. "Challenges and their remedies while cementing production casing in high-temperature wells." Oil and Gas Studies, no. 1 (April 4, 2019): 39–46. http://dx.doi.org/10.31660/0445-0108-2019-1-39-46.

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The development of the global oil industry is closely related to the exploration of new oil and gas fields through the drilling new deep and ultra-deep wells, as well as the application of modern methods of hydrocarbon production. Usage of new methods of production, increasing the depth of the wells, bottomhole temperatures and pressures sets strict requirements and restrictions for the applied plugging materials. Oil well cements must have a long time of thickening to successfully complete the cementing process, grouting stone must have high strength characteristics, heat-resistant properties
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Kimmins, S. T., N. S. Walker, and D. J. Smith. "Creep deformation and rupture of low alloy ferritic weldments under shear loading." Journal of Strain Analysis for Engineering Design 31, no. 2 (1996): 125–33. http://dx.doi.org/10.1243/03093247v312125.

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A novel testing technique has been employed to study the creep properties of ferritic steel weldments under shear loading. The technique allows examination of microstructurally distinct regions, such as the type IV region of the heat-affected zone, in relative isolation from adjacent material. When results from the shear tests are compared with uniaxial data an appropriate stress for determining creep rupture under multi-axial loading may be deduced. The stress rupture behaviour of shear and uniaxial tests as a function of stress and temperature are consistent. It is suggested that this test t
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Mironov, Viktor, Mihails Lisicins, and Irina Boiko. "Sandwich Panels Made of Perforated Metal Materials." Solid State Phenomena 320 (June 30, 2021): 155–60. http://dx.doi.org/10.4028/www.scientific.net/ssp.320.155.

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Nowadays, the growing attention has focused on the sandwich-structured composites (panels), especially on those, which are environmentally friendly. The sandwich panel is a special type of the composites made of at least three layers: a core and a skin-layer bonded to each side. The aim of this paper is to investigate the possibility of using of perforated metallic materials for producing sandwich panels for the different application in the civil engineering. By using the perforated metallic materials in combination with different core materials or by using the perforated metallic material as
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Hashimoto, Kinro, Akio Maeda, Kiyoshi Hosoya, and Yoshihiro Todani. "Specialty Elastomers for Automotive Applications." Rubber Chemistry and Technology 71, no. 3 (1998): 449–519. http://dx.doi.org/10.5254/1.3538491.

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Abstract Various elastomers are used for automotive components because of their physical properties, chemical properties, durability, etc. There are belts to transmit energy, seals to support radial or reciprocating parts, gaskets and O-rings to seal in oils and fuels, hoses to deliver liquid and gases and diaphragms to control them. Figure 1 shows one example of elastomers for gasoline engines reported by Akema and Yoshida. Rubbers are soft polymeric materials having generally 100 MPa of Young's modulus (shown in Figure 2) for the normally applied temperature range. They are widely used for t
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Yang, Xiaoping, Gaoxiang Wang, Cancan Zhang, Jie Liu, and Jinjia Wei. "Experimental Study on the Heat Transfer Performance of Pump-Assisted Capillary Phase-Change Loop." Applied Sciences 11, no. 22 (2021): 10954. http://dx.doi.org/10.3390/app112210954.

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To overcome the two-phase flow instability of traditional boiling heat dissipation technologies, a porous wick was used for liquid-vapor isolation, achieving efficient and stable boiling heat dissipation. A pump-assisted capillary phase-change loop with methanol as the working medium was established to study the effect of liquid-vapor pressure difference and heating power on its start-up and steady-state characteristics. The results indicated that the evaporator undergoes four heat transfer modes, including flooded, partially flooded, thin-film evaporation, and overheating. The thin-film evapo
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Jakab, András, Viktor Hlavicka, Ágoston Restás, and Eva Lubloy. "Fire resistance of the vertical glass structures with thermal protection foil." Journal of Structural Fire Engineering 11, no. 3 (2020): 395–407. http://dx.doi.org/10.1108/jsfe-01-2020-0004.

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Purpose During the building designing, it is very important to deal with the fire resistance of the structures. The designed materials for escape routes should be selected to ensure the usability of the structures until the time of escape. Planning affects the glass structures similarly, so these can also be partition walls and load bearing structures, although the latter is less applied on escape routes. The heat protection of the glasses can be improved with heat-protective foils, while fire protection is provided by gel intumescent material. Design/methodology/approach To research the topic
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Kadhum Farhood, Intisar, Huda Saran B. Pharm, Farah Nabeel, and Hanan Al-ansary. "Anticandedal Effect action of Different Concentrations of Aglycon fraction of Anthroquinon (monoanathron) isolated from Aloe vera on Heat cure Acrylic Resins." Mustansiria Dental Journal 16, no. 1 (2024): 77–88. http://dx.doi.org/10.32828/mdj.v16i1.1027.

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Aim of study: to investigate the effects of different concentrations of aloe vera , aglycon part (monoanathron ) against candida albicance adhere to two types of heat cure acrylic resin denture base (conventional and Hi- impact) on two periods of time (30 minutes and 8 hours).&#x0D; Materials &amp; methods: A total of 120 specimens were prepared, sixty specimens of each hot cure denture base acrylic resin material, each sixty specimens were farther divided into two subgroups of 30 specimens according to the time of immersion, each 30 specimens were farther subdivided into three 10 specimen gro
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Shu, Jicheng, Yongqin Yin, and Zhijun Liu. "Integrated Processes Turning Pepper Sauce Waste into Valuable By-Products." Foods 12, no. 1 (2022): 67. http://dx.doi.org/10.3390/foods12010067.

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Background: Safe and efficient disposal of millions of tons of pepper sauce waste (PSW) can be a challenge to pepper sauce manufacturers that are concerned about creating environmental hazards from the processing (e.g., preservative salt and vinegar) and intrinsic (e.g., the pungent capsaicins) ingredients. It will be immensely beneficial to process these waste materials before they go to disposal. This work presents integrated approaches for a complete utilization of waste materials by removing and recovering valuable by-products and/or ingredients while succeeding to minimal to zero hazards.
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Maximov, Yu V., V. G. Merzlikin, O. V. Sidorov, A. A. Bekaev, and V. G. Sutugin. "Optical and thermal radiating characteristics of heat- insulated walls and elements of the high-speed diesel combustion chamber." Izvestiya MGTU MAMI 4, no. 2 (2010): 130–35. http://dx.doi.org/10.17816/2074-0530-69682.

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The main objective of this research is the analysis of influence of optical and thermo radiating characteristics on the transient (steady state) temperature distributions inside the heat-insulating semitransparent (SHIC) и opaque (HIC) coatings for thermal regulation and control of walls and elements of the combustion chamber (СС) high speed diesel engines. Developed author's methodology of physical and mathematical simulation of parameters of the radiant and heat conductivity transfer was used to calculate optimal balance of optical and thermo radiating characteristics of coatings - as select
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Adriantama, Syahreza, Suriyanti Suriyanti, and Maimuna Nontji. "ISOLASI DAN IDENTIFIKASI MORFOLOGI SERTA UJI PELARUTAN FOSFAT TERHADAP BAKTERI RHIZOSFER TANAMAN KEDELAI (Glycine max L.)." AGrotekMAS Jurnal Indonesia: Jurnal Ilmu Peranian 2, no. 1 (2021): 24–32. http://dx.doi.org/10.33096/agrotekmas.v2i1.140.

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Isolation and Morphological Identification and Phosphate Dissolution Test against Rhizosphere Bacteria in Soybean (Glycine max L.). Supervised by Suriyanti, and Maimuna Nontji. This research was conducted to obtain bacterial isolates from the results of isolation and morphological identification of Rhizosphere bacteria in soybean plants, to obtain bacterial isolates capable of dissolving phosphates and calculating the clear zones of bacterial isolates. The research was carried out at the Microbiology Laboratory, Faculty of Pharmaceutical Sciences and at the Pest Laboratory and The Faculty of A
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Bessonov, Igor V., L. K. Bogomolova, Alexey D. Zhukov, and E. A. Zinoveva. "Building Systems Based on Foamed Modified Polymers." Key Engineering Materials 887 (May 2021): 446–52. http://dx.doi.org/10.4028/www.scientific.net/kem.887.446.

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Systems of floor insulation on the ground, isolation of roads and shallow foundations suggest the use of heat-insulating products resistant to moisture, the minerals contained in it, having low heat conductivity and water absorption and relatively high strength for compressive loads.The aim of the research was to study the possibility of using mineral substances containing crystalline water as a dispersed component. Firstly, such compounds as a reinforcing component increase the strength characteristics of products. Secondly, being flame retardants, they contribute to increasing the fire safet
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Barrow, Kaitlyn A., Lucille M. Rich, Elizabeth R. Vanderwall, et al. "Inactivation of Material from SARS-CoV-2-Infected Primary Airway Epithelial Cell Cultures." Methods and Protocols 4, no. 1 (2021): 7. http://dx.doi.org/10.3390/mps4010007.

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Given that the airway epithelium is the initial site of infection, study of primary human airway epithelial cells (AEC) infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be crucial to improved understanding of viral entry factors and innate immune responses to the virus. Centers for Disease Control and Prevention (CDC) guidance recommends work with live SARS-CoV-2 in cell culture be conducted in a Biosafety Level 3 (BSL-3) laboratory. To facilitate downstream assays of materials from experiments there is a need for validated protocols for SARS-CoV-2 inactivation t
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Barrow, Kaitlyn A., Lucille M. Rich, Elizabeth R. Vanderwall, et al. "Inactivation of Material from SARS-CoV-2-Infected Primary Airway Epithelial Cell Cultures." Methods and Protocols 4, no. 1 (2021): 7. http://dx.doi.org/10.3390/mps4010007.

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Given that the airway epithelium is the initial site of infection, study of primary human airway epithelial cells (AEC) infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be crucial to improved understanding of viral entry factors and innate immune responses to the virus. Centers for Disease Control and Prevention (CDC) guidance recommends work with live SARS-CoV-2 in cell culture be conducted in a Biosafety Level 3 (BSL-3) laboratory. To facilitate downstream assays of materials from experiments there is a need for validated protocols for SARS-CoV-2 inactivation t
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Roh, J. W., J. S. Yang, S. H. Ok, et al. "Low Temperature O2 Plasma-Assisted Wafer Bonding of InP and a Garnet Crystal for an Optical Waveguide Isolator." Solid State Phenomena 124-126 (June 2007): 475–78. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.475.

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A novel process of wafer bonding between InP and a garnet crystal (Gd3Ga5O12, CeY2Fe5O12) based on O2 plasma surface-activation and low temperature heat treatment is presented. The O2 plasma assisted wafer bonding process was found to be very effective in bonding of InP and Gd3Ga5O12, providing good bonding strength and hydrophilicity as well as no voids in the interface, which is crucial for fabrication of an integrated optical waveguide isolator. The isolation ratio of an integrated optical waveguide isolator fabricated by the O2 plasma assisted wafer bonding process was obtained to be 2.9 d
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Andrés-Valeri, Valerio C., Luis A. Sañudo-Fontaneda, Carlos Rey-Mahía, Stephen J. Coupe, and Felipe P. Alvarez-Rabanal. "Thermal Performance of Wet Swales Designed as Multifunctional Green Infrastructure Systems for Water Management and Energy Saving." Proceedings 2, no. 23 (2018): 1433. http://dx.doi.org/10.3390/proceedings2231433.

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Lack of city space and conventional drainage systems failures have derived in the need to implement Green Stormwater Infrastructure (GSI) techniques which provide multifunctional areas capable of managing stormwater, treating the pollutants present in the runoff, bringing back biodiversity to the urban environment, and providing amenity whilst improving livability. In this context, swales were studied as a potential multifunctional GSI for water management and energy saving. This research successfully proposed the combination of a wet swale with a Ground Source Heat Pump (GSHP) system. The mat
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