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Journal articles on the topic 'Temperaure'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Kumakura, Minoru, and Isao Kaetsu. "Radiation polymerization of 2-hydroxyethyl methacrylate-vinyl pyrrolidone-water system." Collection of Czechoslovak Chemical Communications 53, no. 6 (1988): 1242–46. http://dx.doi.org/10.1135/cccc19881242.

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Radiation polymerization of 2-hydroxyethyl methacrylate-vinyl pyrrolidone-water system at low temperature was studied. The polymerization rate-irradiation temperature curve had a maximum peak at near glass transition temperaure, and it was shifted to the site of high temperature with increasing monomer concentration. The polymerization rate in vinyl pyrrolidone at low temperatures was accelerated by the addition of water. The polymers obtained by radiation polymerization of 2-hydroxyethyl methacrylate-vinyl pyrrolidone-water system at low temperatures were a high hydrophilicity and had porous

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2

Lakin-Thomas, Patricia L., Stuart Brody, and Gary G. Coté. "Temperaure Compensation and Memberane Composition in Neurospora Crassa." Chronobiology International 14, no. 5 (1997): 445–54. http://dx.doi.org/10.3109/07420529709001467.

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3

Chau, T. T., S. R. Mejia, and K. C. Kao. "The effects of deposition temperature on properties of SiO2 films fabricated by a new electron cyclotron resonance microwave plasma-enhanced chemical-vapor deposition process." Canadian Journal of Physics 69, no. 3-4 (1991): 165–69. http://dx.doi.org/10.1139/p91-025.

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Silicon dioxide (SiO2) films were deposited by a new electron cyclotron resonance (ECR) microwave plasma enhanced chemical vapor deposition (PECVD) process at various deposition temperatures ranging from room temperaure (~25 °C) to 300 °C. The deposition rate increases with increasing deposition temperature and tends to become saturated as the deposition temperature approaches 250 °C, in contrast to the SiO2 films fabricated by the conventional ECR microwave PECVD process. The Fourier transform infrared results provide no evidence of hydrogen incorporation in the SiO2 films even when they were

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4

Li, Jun, Xiao Yang Yi, Wei Hong Gao, Wen Long Song, and Xiang Long Meng. "Temperature Memory Effect of Ti-Ni-Hf-Y High Temperature Shape Memory Alloy." Materials Science Forum 898 (June 2017): 598–603. http://dx.doi.org/10.4028/www.scientific.net/msf.898.598.

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Temperature memory effect in the solution-treated Ti-Ni-Hf-Y high temperature shape memory alloy (HTSMA) was investigated. The results showed that the temperature memory effect induced by the partial cycling could be detected in the subsequent complete transformation cycling for the solution-treated Ti-Ni-Hf-Y alloy. The temperature memory effect is one-time phenomenon. However, the temperature memory effect could last at least 20 times when the sample was employed 10 times complete thermal cycles. Multiple-steps temperaure memory effect can be observed as the sample undergoes the lower temper

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5

GRIMALDI, G., U. GAMBARDELLA, S. PACE, V. FERRANDOM, C. FERDEGHINI, and S. SIRI. "MAGNETIC BEHAVIOR OF MAGNESIUM DIBORIDE SUPERCONDUCTING THIN FILMS." International Journal of Modern Physics B 17, no. 04n06 (2003): 597–601. http://dx.doi.org/10.1142/s0217979203016297.

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We report the experimental results of the field H and temperature T dependent magnetization M measurements of MgB 2 superconducting thin films deposited by pulsed laser deposition. MgB 2 thin films were obtained from a precursor layer deposited in UHV at room temperaure from stoichiometric target, then an annealing treatment in Mg atmosphere allowed to crystallize the superconducting phase. From the hysteresis loops at each temperature of measurement the critical current density Jc(H) has been extracted according to Brandt's model for a transverse geometry. At low temperatures an anomalous beh

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6

Li, Bing Zheng, Ya Bing Guo, Lai Shuan Liu, Yong Bing Xue, and De Kui Sun. "Equilibrium and Thermodynamics of Adsorption of Fe/Ac for Aniline from Dilute Solutions." Advanced Materials Research 378-379 (October 2011): 688–91. http://dx.doi.org/10.4028/www.scientific.net/amr.378-379.688.

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The effect of iron doping on physical and chemical properties of activated carbon, the effect of initial concentration and temperature on adsorption behavior of adsorbents for aniline from water, and adsorption equilibrium and thermodynamics were investigated. The results show that Fe doping obviously increase acidic oxygen-containg groups of activated carbon surface. Effect of Fe doping on adsorption capacity of aniline at the low concentration is insignificant. Equilibrium adsorption uptake decreases with an increase in adsorption temperaure. Freundlich model can better describe adsorption b

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Zhang, Wen Chao, Hong Zheng Peng, and Chun Long Su. "Research on Temperaure Variation of Bridgewire with Infrared Thermal Imaging." Advanced Materials Research 403-408 (November 2011): 675–79. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.675.

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Bridgewire of a thin resistive wire widely used in electric explosive devices (EED) as a transducer of electronic energy to thermal energy provide the ignition of energetic compounds. In this paper the temperature variation laws of bridgewire as core component and most sensitive part for EED under the constant current were investigated though infrared measuring temperature system. The result indicates that the thermodynamic equilibrium from the bridgewire was realized in two senconds and the maximum temperature for bridgewire caused by the current rises as quadratic parabola with increasing of

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8

Aripin, H., Nundang Busaeri, Acep Irham Gufroni, and Sliven Sabchevski. "Activated Natural Zeolite Membrane for Separating Dissolved Impurities in Coconut Sap." Materials Science Forum 1000 (July 2020): 293–302. http://dx.doi.org/10.4028/www.scientific.net/msf.1000.293.

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A ceramic membrane has been produced from a natural zeolite. A series of samples has been sintered at range temperature from room temperaure to 900°C. The influence of the sintering temperature on the specific surface area, pore diameter, and surface roughness has been investigated. It has been found that a decrease for value of the specific surface area and average pore diameter from 300°C to 900°C was attributed to a change of the crystalline structure of tridimite from partially to fully crystallized samples. The fabricated membrane has been used successfully to evaluate the separation perf

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9

Hou, Qing, Zhi Cheng Shi, Run Hua Fan, and Li Cheng Ju. "Cryomilling and Characterization of Metal/Ceramic Powders." Key Engineering Materials 512-515 (June 2012): 127–31. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.127.

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Al/Fe2O3 thermite powders were prepared by cryomilling at liquid nitrogen temperature. The cryogenic temperature will restrain the mechanochemical reaction between alumina and iron oxide, leading to high reactivitive nanoscale powders. The size distribution of the powders was analyzed using laser particle size analyzer, and cryomilling was proved to be an effective method to prepare ultrafine powders. The differential scanning calorimetry (DSC) analysis indicated that the cryomilled powders get more fully-reacted, a larger proportion of solid-solid reaction and more heat release in the solid-l

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10

Lee, J. S., Je Hyun Lee, Baig Gyu Choi, Chang Yong Jo, Ung Yu Paik, and S. G. Gang. "The Solidification Microstructure and Carbide Formation Behaviors in the Cobalt-Based Superalloy ECY768." Materials Science Forum 486-487 (June 2005): 374–77. http://dx.doi.org/10.4028/www.scientific.net/msf.486-487.374.

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Co-base superalloys have been applied in the stationary compoents of gas turbine owing to their excellent high temperaure properties. The stationary Co-base alloy components are generally manufactured by casting. Solidification behavior of the alloy is an important factor in the selection of casting parameters. In the present study, solidification microstructure and carbide formation behaviors were studied by directional solidification. Directional solidification experiments were carried out at the solidification rates of 0.5 ~ 150µm/s with the Co-base superalloy ECY768. Between the dendrites

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11

Chi, Eun Ok, Young Nam Kim, Jin Chul Kim, and Nam Hwi Hur. "A Macroporous Perovskite Manganite from Colloidal Templates with a Curie Temperaure of 320 K." Chemistry of Materials 15, no. 10 (2003): 1929–31. http://dx.doi.org/10.1021/cm034031f.

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12

Li, Yonghong, Jin Lin Huang, and Charles M. Lieber. "Temperaure dependence of the energy gap inBi2Sr2CaCu2O8superconductors by high-resolution electron-energy-loss spectroscopy." Physical Review Letters 68, no. 21 (1992): 3240–43. http://dx.doi.org/10.1103/physrevlett.68.3240.

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13

Ren, Yi Jin. "Study on Glass Transition Temperature of Amorphous Polymer Thin Film." Advanced Materials Research 482-484 (February 2012): 1457–60. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.1457.

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The glass transition temperaure Tg of amorphous polymer thin film was investigated. The opposite experimental results, the increase or decrease in Tg of thin film with decreasing film thickness, were found. It was believed that the free surface near the polymer-air interface has a smaller chain ends density, leading to the decrease in Tg; while the polymer-substrate interface has a larger chain ends density, resulting in the increase in Tg. However, there are a competition between the both, and the interaction of polymer and substrate is a dominant factor to affect Tg of thin film. In addition

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14

Khan, Arshad, M. Rezwan Khan, M. Ferdouse Khan, and Fahima Khanam. "A Liquid Water Model That Explains the Variation of Surface Tension of Water with Temperaure." Japanese Journal of Applied Physics 40, Part 1, No. 3A (2001): 1467–71. http://dx.doi.org/10.1143/jjap.40.1467.

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15

Feist, J. P., P. Y. Sollazzo, S. Berthier, B. Charnley, and J. Wells. "Application of an Industrial Sensor Coating System on a Rolls-Royce Jet Engine for Temperaure Detection." Mechanical Engineering 136, no. 09 (2014): 75–83. http://dx.doi.org/10.1115/9.2014-sep-8.

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This article demonstrates the feasibility of implementing an entire sensor coating system – thermal barrier coatings – on an operating engine and successfully detecting highly precise measurements. These coatings were first used on jet engines in the 1970s and are now a common feature on power generation turbines. In the experimental design, an advanced optical probe was specifically manufactured, characterized, and implemented to enable remote detection of a moving phosphorescent spot at speeds up to 350 m/s. The comparison of the sensor coating system with a standard thermocouple measuring t

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16

Anggrahini, Sri, and Agam Gumawang. "Effect of Drying Method on Proximate Content, Physical Properties and Antioxidant Activities of Powder Gading, Manggala, and Lumut Snake Fruit Kernel." KnE Life Sciences 3, no. 3 (2016): 114. http://dx.doi.org/10.18502/kls.v3i3.387.

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<p>Sun drying is usually used during drying snake fruit kernel powder processing before roasting. However, powder productions become hampered during raining season due to its highly weatherdepended. Cabinet drying can possibly be feasible alternative. The aim of research was to compare and describe the effect of sun drying and cabinet drying on proximate content, physical properties, and antioxidant activity of snake fruit kernel powder from Gading, Pondoh Manggala, and Pondoh Lumut varieties. Each of snake fruit kernel from Gading, Pondoh Manggala, and Pondoh Lumut, was divided and drie

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17

Chauhan, S., M. Höpfner, G. P. Stiller, et al. "MIPAS reduced spectral resolution UTLS-1 mode measurements of temperature, O<sub>3</sub>, HNO<sub>3</sub>, N<sub>2</sub>O, H<sub>2</sub>O and relative humidity over ice: retrievals and comparison to MLS." Atmospheric Measurement Techniques 2, no. 2 (2009): 337–53. http://dx.doi.org/10.5194/amt-2-337-2009.

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Abstract. During several periods since 2005 the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on Envisat has performed observations dedicated to the region of the upper troposphere/lower stratosphere (UTLS). For the duration of November/December 2005 global distributions of temperature and several trace gases from MIPAS UTLS-1 mode measurements have been retrieved using the IMK/IAA (Institut für Meteorologie und Klimaforschung/Instituto de Astrofísica de Andalucía) scientific processor. In the UTLS region a vertical resolution of 3 km for temperaure, 3 to 4 km for H2O, 2.5

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18

MURAMATSU, Yoshiki, Seiji KURODA, Junji YAMAMOTO, and You-Chul KIM. "Low Transformation Temperaure Materials and Welding Residurl Stress-Application of the Laser Speckle Method to Strain Measurement in the Welding Process (Report 7)-." QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY 22, no. 1 (2004): 107–16. http://dx.doi.org/10.2207/qjjws.22.107.

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19

Nazliniwaty and Erly Sitompul. "Antimicrobial Activity of Liquid Soap Containing Turmeric (Curcuma domestica val.) and Lemongrass (cymbopogon nardus l.) Leaf Juice." Indonesian Journal of Pharmaceutical and Clinical Research 1, no. 1 (2018): 64–71. http://dx.doi.org/10.32734/idjpcr.v1i1.204.

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Abstract. The purpose of this study was to formulate an antimicrobial liquid soap containing 25% turmeric and lemongrass leaf juice. Lemongrass leaf juice and turmeric juice 25% were formulated into a liquid soap. Stability, pH and viscosity of the liquid soap were evaluated. For stability tests, the preparation was stored for 3 months at room temperaure. The pH test was measured by Hanna pH meter. The viscosity test,was measured by Brookfield viscometer.The antimicrobial activity of the liquid soap was measured by disc diffusion method using bacteria such as Staphylococcus epidermis, Escheric

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20

Moore, Marianne V., Carol F. Folt, and Richard S. Stemberger. "Consequences of elevated temperatures for zooplankton assemblages in temperate lakes." Archiv für Hydrobiologie 135, no. 3 (1996): 289–319. http://dx.doi.org/10.1127/archiv-hydrobiol/135/1996/289.

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21

Skowera, Barbara, and Jakub Wojkowski. "RELATION OF SOIL TEMPERATURE WITH AIR TEMPERATURE AT THE JURASSIC RIVER VALLEY." Inżynieria Ekologiczna 18, no. 1 (2017): 18–26. http://dx.doi.org/10.12912/23920629/65855.

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22

Miyazawa, Yuta, Yuichi Otsuka, Yoshiharu Mutoh, and Kohsoku Nagata. "OS12-4-4 Fatigue Crack Growth Characteristics of Epoxy Resin Reinforced by Silica Particles at Ambient Temperature and Elevated Temperatures." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2011.10 (2011): _OS12–4–4—. http://dx.doi.org/10.1299/jsmeatem.2011.10._os12-4-4-.

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23

Pendlebury, Christopher J., and David M. Bryant. "Effects of Temperature Variability on Egg Mass and Clutch Size in Great Tits." Condor 107, no. 3 (2005): 710–14. http://dx.doi.org/10.1093/condor/107.3.710.

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Abstract Models of climate change generally predict rising mean global temperatures combined with greater variability in some regions. While relationships between mean temperature and several reproductive parameters are well documented, the effect of day-to-day variation in ambient temperature has received little attention. In our study, temperature variation had no significant effects on clutch size in a wild population of Great Tits (Parus major). In contrast, egg mass tended to be smaller when ambient temperatures during the week prior to laying were more variable. We suggest that variable

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24

Fallenstein, F., and J. C. Aurich. "Kühlkanalaustrittsbedingungen beim Bohren*/Cooling Channel Exit Conditions in Drilling." wt Werkstattstechnik online 105, no. 07-08 (2015): 495–500. http://dx.doi.org/10.37544/1436-4980-2015-07-08-53.

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Auf Basis von CFD (Computational Fluid Dynamics)-Simulationen wurden VHM (Vollhartmetall)-Wendelbohrer mit unterschiedlichen Kühlkanalaustrittspositionen hergestellt. Mithilfe von Mantelthermoelementen lässt sich die Temperatur während des Bohrens ermitteln und mit der Simulation abgleichen. Die Temperaturen wurden mit dem Verschleiß der Werkzeuge in Relation gesetzt. Davon ausgehend erfolgten Untersuchungen, um die Einflüsse von Kühlkanalaustrittsposition und KSS (Kühlschmierstoff)-Volumenstrom auf den Werkzeugverschleiß zu ermitteln. &nbsp; Based on CFD simulations, cemented carbide twis

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Yin, Xiaohong, Xiaodong Wang, Yuan Fang, and Zhu Ding. "Influence of curing age on high-temperature properties of additive manufactured geopolymer mortar." E3S Web of Conferences 218 (2020): 03019. http://dx.doi.org/10.1051/e3sconf/202021803019.

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Some researches have been conducted on the application of geopolymer in 3D printing. However, there is no publication about the high-temperature properties of 3D printed geopolymer made from fly ash, slag, and metakaolin. This paper presents the experimental research on the mechanical properties of 3D printed geopolymer after being exposed to elevated empratures. The effects of curing age on high-temperature properties are analyzed. The heating temperasures were 300 °C, 600 °C, and 900 °C, and the holding time was one hour. After exposure to temperatures, the flexural strength of 3D printed ge

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Wang Yan, 王岩, 朱岭 Zhu Ling, 杨学弦 Yang Xuexian, 王小云 Wang Xiaoyun та 彭金璋 Peng Jinzhang. "拉曼频移温度效应与测温新方法的研究". Acta Optica Sinica 41, № 17 (2021): 1732001. http://dx.doi.org/10.3788/aos202141.1732001.

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De Souza, Alexandre Santos, Cleber Souza Correa, and Inácio Malmonge Martin. "Avaliação do modelo regional climático para a previsão de temperatura no centro de lançamento de Alcântara." Latin American Journal of Development 3, no. 5 (2021): 2908–21. http://dx.doi.org/10.46814/lajdv3n5-019.

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Este estudo avaliou a previsão intrasazonal da temperatura à superfície (2 m de altura) na região do Centro de Lançamento de Alcântara (CLA) utilizando O Regional Climate Model RegCM4.7 em comparação aos dados de reanálises obtidos do modelo de reanalises globalERA5 do European Centre for Medium-Range Weather Forecasts (ECMWF) para os meses de abril de 2019 (estação chuvosa) e outubro de 2019 (estação seca). Foram realizadas 4 (quatro) membros de simulações de temperatura utilizando o RegCM4.7 em horários sinóticos, os quais foram comparadas com os dados observacionais e de reanálises do ERA5.

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Kuehn, K. E., D. Sriram, S. S. Bayya, J. J. Simmins, and R. L. Snyder. "Synthesis of Copper and Lithium Copper Ferrites as High Magnetization Materials." Journal of Materials Research 15, no. 7 (2000): 1635–41. http://dx.doi.org/10.1557/jmr.2000.0235.

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The ferrite with composition Cu0.5Fe2.5O4 was heat treated in air and in reducing atmospheres to different temperatures within the solid solution region confirmed by dynamic high-temperautre x-ray characterization. The samples were quenched in oil and air, and lattice parameter, Curie temperature, and saturation magnetization measurements were completed. The magnetization measurements for these samples showed a maximum 4πMs of 0.7729 and 0.5426 T at 10 and 300 K, respectively. The cationic distribution based on the low-temperature 4πMs measurements is (Cu+0.24Fe3+0.76)A[Cu+0.26Fe3+1.74]BO4 → 4

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Nazar, Reinaldy, Sudjatmi KA, and Ketut Kamajaya. "THE THERMOHYDRAULIC ANALYSIS OF THE BANDUNG RESEARCH REACTOR CORE WITH PLATE TYPE FUEL ELEMENTS USING THE CFD CODE." JURNAL TEKNOLOGI REAKTOR NUKLIR TRI DASA MEGA 20, no. 3 (2018): 123. http://dx.doi.org/10.17146/tdm.2018.20.3.4626.

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Due to TRIGA fuel elements are no longer produced by General Atomic, it is necessary to find a solution so that the Bandung TRIGA 2000 reactor can still be operated. One solution is to replace the type of fuel elements. Study on using the MTR plate type fuel elements as used in RSG-GAS Serpong has been done for the Bandung TRIGA 2000. Based on the results of the study using CFD computer program, it is found that Bandung TRIGA 2000 with plate type fuel elements cannot be operated up to 2000 kW power by natural convection cooling mode. Therefore, the reactor must be cooled by forced convection.

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Leal, Luciana, Daniela Biondi, and Antonio Carlos Batista. "EFEITOS DA VEGETAÇÃO NA VARIAÇÃO TÉRMICA DA CIDADE DE CURITIBA, PR." FLORESTA 44, no. 3 (2014): 451. http://dx.doi.org/10.5380/rf.v44i3.32845.

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Considerando que a distribuição das florestas urbanas e o zoneamento do uso do solo influenciam o clima local da cidade de Curitiba, este trabalho teve como objetivo analisar o efeito desses fatores na variação temporal e espacial da temperatura do ar nessa cidade. Os dados de temperatura foram coletados em quatro campanhas em períodos correspondentes às estações do ano em 2011, em 44 pontos de monitoramento em quatro transectos na malha urbana da cidade, por meio de miniabrigos meteorológicos com registradores modelo Hobo®. Nos quatro transectos, foram observadas diferenças térmicas entre os

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Moura, Magna Soelma Beserra de, Herica F. S. Carvalho, Cloves V. B. Santos, Josiclêda Domiciano Galvíncio, and Marcelo J. Silva. "Uso de Sensoriamento Remoto na análise da temperatura da superfície em áreas de floresta tropical sazonalmente seca." Revista Brasileira de Geografia Física 13, no. 3 (2020): 941. http://dx.doi.org/10.26848/rbgf.v13.3.p941-957.

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Pesquisas com o foco na criação de modelos para analisar a temperatura da superfície com sensoriamento remoto são muito importantes, pois servem como base de informações que auxiliarão no gerenciamento hidrológico, agrícola e ambiental. O presente estudo utilizou dados remotos na estimativa de temperatura da superfície em áreas de florestas secas, e seu objetivo foi verificar qual entre os produtos MODIS melhor representa a temperatura da superfície em áreas de caatinga. A área de estudo compreende uma caatinga preservada e outra em sucessão ecológica. Foram utilizadas como base espacial, dado

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Wanderley, Henderson Silva, André Luiz de Carvalho, Ronabson Cardoso Fernandes, and José Leonaldo de Souza. "Mudança no Regime Temporal da Temperatura do Ar e Precipitação Pluviométrica na Região de Rio Largo, Alagoas (Change in the Temporal Regime of Air Temperature and Rainfall in the Region of Rio Largo, Alagoas, Brazil)." Revista Brasileira de Geografia Física 7, no. 4 (2014): 662. http://dx.doi.org/10.26848/rbgf.v7.4.p662-667.

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Compreender como as alterações no clima têm modificado a temperatura do ar e a precipitação pluvial de uma região é essencial, sobretudo para regiões como o Nordeste brasileiro, que apresentam vasto histórico de secas e altas temperaturas. No entanto, estudos com esse fim são escassos ou até mesmo inexistentes para essa região. Deste modo, objetivou-se identificar mudanças ocorridas no regime temporal da temperatura diurna e noturna e na precipitação na região de Rio Largo, Alagoas. Para isto, utilizaram-se dados de temperatura diurna (máxima) e noturna (mínima) compreendidos entre 1973 e 2002

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Uludag, Alper, and Dilek Turan. "SiAlON Ceramics for the High Temperature Applications: High Temperature Creep Behavior." International Journal of Materials, Mechanics and Manufacturing 3, no. 2 (2015): 105–9. http://dx.doi.org/10.7763/ijmmm.2015.v3.176.

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Dolby, Andrew S., John G. Temple, Laura E. Williams, Emily K. Dilger, Katrina M. Stechler, and Vanessa S. Davis. "Facultative Rest-Phase Hypothermia in Free-Ranging White-Throated Sparrows." Condor 106, no. 2 (2004): 386–90. http://dx.doi.org/10.1093/condor/106.2.386.

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Abstract Shallow facultative rest-phase hypothermia has been reported in a number of passerine families, but few published data exist about its use by free- ranging birds. We used temperature-sensitive radio- transmitters to determine whether White-throated Sparrows (Zonotrichia albicollis) employ nocturnal hypothermia during winter. We measured skin temperatures of 24 free-ranging sparrows between 13:00 and 14:00 and between 02:00 and 03:00 for each of three days and nights per subject. The average nightly skin- temperature reduction per individual was 3.4 ± 1.0°C (SD). Skin temperature reduc

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Rumendi, Umen, Achmad Muhammad, and Damarendro Hutomo Putro. "Analysis of the Effect of Temperature Differences on Surface Hardness and FeB Diffusion Process on DIN 34CrNiMo6 Steel Material Through the Boriding Process." MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 2, no. 3 (2020): 31–42. http://dx.doi.org/10.46574/motivection.v2i3.67.

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The availability of materials that meet production needs is sometimes not easy to obtain. Material properties must meet the standards are physical properties, including violence. One method is to increase the value of the surface hardness of the material by the boriding process. Boriding is a surface hardening process through the process of diffusion of the substrate, thereby causing the material hardness to increase. The results showed the temperature in the boriding process of DIN 34CrNiMo6 material was proven to affect the surface hardness of the material. The FeB diffusion process begins t

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Costa, Rafaela Lisboa, Fabrício Daniel dos Santos Silva, Gabriel Fonseca Sarmanho, and Danielle Barros Ferreira. "Análise de Tendências de Precipitações e Temperaturas Mensais de 1961 a 2008 no Brasil Usando Dados Gradeados (Analysis of Trends of Monthly Precipitation and Temperatures of 1961 to 2008 in Brazil Using Gridded Data)." Revista Brasileira de Geografia Física 5, no. 5 (2013): 1227. http://dx.doi.org/10.26848/rbgf.v5i5.232917.

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Este trabalho analisa um conjunto climatológico de dados gradeados de precipitação, temperaturas médias, máximas e mínimas, mensais, de 1961 e 2008. Tendências lineares foram estudadas, identificando-se as áreas onde foram estatisticamente significantes. Tendências positivas, foram verificadas para temperaturas máximas, mínimas e médias, em diferentes intensidades. Em relação à precipitação, as áreas com tendências de aumento ou diminuição alternam-se mês a mês, com padrões menos evidentes do que os das temperaturas.Palavras-chave: temperatura, precipitação, tendências climáticas. Analysis of

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Lindemann, Douglas, Rose Freitas, Jackson Rodrigues, Mateus Nunes, and Luciana Pinto. "Oscilações decadais da temperatura do ar na América do Sul durante o período de verão austral e suas relações com o Oceano Atlântico Norte." Revista Brasileira de Geografia Física 12, no. 6 (2020): 2163. http://dx.doi.org/10.26848/rbgf.v12.6.p2163-2176.

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Observações em superfície da temperatura global sobre os continentes e oceanos indicaram um aumento no último século como resposta a eventos cadas vez mais frequentes e intensos de anomalia da temperatura da superfície do mar. Desta forma, o objetivo deste estudo é apresentar as influências exercidas pela Oscilação Multidecadal do Atlântico (AMO) sobre as temperaturas da América do Sul, durante o período de verão austral, para o período de 1901 a 2012. Foi observado que a temperatura do ar apresentou tendências positivas estatisticamente significativas para a região Sudeste e Sul do Brasil. Pa

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Barreto Cavalcante, Arnóbio De Mendonça, Eliane Barbosa Santos, Vicente de Paula Silva Filho Silva Filho, Vanessa de Almeida Dantas, Luciana Cristina De Sousa Vieira, and Adilson Wagner Gandu. "Análise Espaço-Temporal das Temperaturas no Ceará no Contexto das Mudanças Climáticas." Revista Brasileira de Geografia Física 13, no. 2 (2020): 743. http://dx.doi.org/10.26848/rbgf.v13.2.p743-752.

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O aumento de temperatura do ar é uma realidade inquestionável. Vários trabalhos em macroescala confirmam esse fato, mas é preciso melhorar nossa compreensão, também, em escalas menores. O objetivo desse estudo foi analisar e comparar as normais climatológicas das temperaturas máxima, mínima e média compensada do período de 1961-1990 (normal de referência) com as normais climatológicas provisórias de 1994-2015, com o propósito de identificar mudanças nos padrões de temperatura e obter uma avaliação mais refinada das mudanças climáticas ocorridas nas últimas décadas no estado do Ceará, Brasil. P

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Barbosa, Rogério Zanarde, and João E. M. Perea Martins. "DESIGN OF A WIRELESS SENSOR NETWORK FOR GREENHOUSES TEMPERATURE ANALYSIS." IRRIGA 1, no. 1 (2018): 132–38. http://dx.doi.org/10.15809/irriga.2018v1n1p132-138.

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DESIGN OF A Wireless Sensor Network FOR GreenhouseS Temperature Analysis    Rogério Zanarde Barbosa1 and João EDUARDO MACHADO Perea Martins 2  1 Faculty of Higher Education and Integral Formation (FAEF), 17400-000, Garça-SP, Brazil. E-mail: rogeriozanarde@gmail.com. 2 Computer Science Department, School of Sciences (FC), São Paulo State University (UNESP), 17033-360, Bauru-SP, Brazil. E-mail: perea@fc.unesp.br. Orcid iD https://orcid.org/0000-0003-1056-497X   1 Abstract  This work presents a wireless sensor network designed with

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Ribeiro, Roberta Everllyn Pereira, Pâmela Ribeiro Ávila, José Ivaldo Brito, Elder Guedes Santos, and Leandro Fontes Sousa. "Análise da Tendência Climática nas Séries Temporais de Temperatura e Precipitação de Tucuruí-Pará (Trend Analysis of the Climate in Time Series of Temperature and Precipitation of Pará-Tucuruí)." Revista Brasileira de Geografia Física 7, no. 5 (2015): 798. http://dx.doi.org/10.26848/rbgf.v7.5.p798-807.

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RESUMO Este trabalho tem por objetivo fornecer um breve conhecimento das análises climatológicas da temperatura e precipitação do município de Tucuruí-PA. Abordando pontos como a tendência anual da temperatura e precipitação, e a correlação entre as oscilações interanual e interdecadal dos oceanos atlântico e pacifico sobre a precipitação sazonal de Tucuruí a partir de uma serie de mais de 40 anos de dados. Os resultados mostraram que as menores temperaturas médias do ar ocorrem em fevereiro, as temperaturas médias do ar mais elevadas ocorreram no mês de outubro, a temperatura máxima do ar aum

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HARYANTO, DEDY, GIARNO GIARNO, JOKO PRASETIO WITOKO, GREGORIUS BAMBANG HERU KUSNUGROHO, RAHAYU KUSUMASTUTI, and MULYA JUARSA. "Karakterisasi Prototipe Heater Element System pada Untai Uji RCCS-RDNK menggunakan Kamera Infra Merah." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 8, no. 2 (2020): 313. http://dx.doi.org/10.26760/elkomika.v8i2.313.

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ABSTRAKReactor Cavity Cooling System (RCCS) adalah salah satu sistem keselamatan pada Reaktor Daya Non Komersial (RDNK). Untuk mensimulasikan keadaaan tersebut, dibuat prototype Heater Element System (HES) yang merupakan sistem pemanas listrik dan berfungsi untuk memberikan kalor pada simulator dinding RPV (wall) seperti pada acuan RPV tipe HTGR. Tujuan penelitian adalah untuk memperoleh karakteristik temperatur selama pemanasan prototype HES hingga mencapai temperature 400°C berdasarkan posisi vertikal dan horizontal HES. Metode pengamatan dilakukan dengan menggunakan kamera infra merah NEC t

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Adianta, Andri Willy, Suprianto Suprianto, Arnius Daely, and Mikael F. Bangun. "Studi Fluiditas dan Karakteristik Aliran pada Pengecoran Al-Si Alloy Menggunakan Simulasi Numerik." Talenta Conference Series: Energy and Engineering (EE) 1, no. 1 (2018): 007–12. http://dx.doi.org/10.32734/ee.v1i1.102.

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Aluminium silikon alloy merupakan paduan aluminium yang banyak digunakan dalam bidang teknik. Paduan ini memiliki kekuatan yang baik dan banyak diproduksi menjadi suatu komponen melalui proses pengecoran. Kandungan silikon dapat mengakibatkan penurunan fluiditas coran alumunium yang pada akhirnya akan menurunkan kualitas coran, fluiditas ini juga dipengaruhi temperatur pada saat penuangan alumunium cair. Penelitian ini bertujuan untuk mengetahui efek temperatur penuangan terhadap fluiditas, karakteristik aliran dan cacat coran pada pengecoran aluminium silikon alloy menggunakan cetakan pasir.

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Isnaini, Muhammad Darwis, Muhammad Subekti, and Geni Rina Sunarya. "PREDICTION OF FUEL TEMPERATURE OF AP1000 DUE TO THE FORMATION OF CRUD AND OXIDE LAYER." JURNAL TEKNOLOGI REAKTOR NUKLIR TRI DASA MEGA 19, no. 2 (2017): 93. http://dx.doi.org/10.17146/tdm.2017.19.2.3521.

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An analysis to predict the fuel temperature due to crud and oxide layer formed on the hot sub-channel cladding surface of AP1000 reactor has been performed. During reactor operation, the heat transfer and cooling process occur on the fuel cladding surface. During the heat exposure process, an oxide layer and crud are formed on the cladding surface. The decrease of heat transfer performance will increase the fuel and cladding temperatures. Therefore, the effect of fuel temperature increase during the heat exposure process has to be analyzed. The analysis was conducted for nominal power of 3400

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Zonta, João Henrique, Rudah Marques Maniçoba, Ziany Neiva Brandão, Mario Anastasio Carrillo, and José Renato Cortez Bezerra. "CANOPY TEMPERATURES AND ACCUMULATED DEGREE DAYS ON COTTON PLANTS UNDER WATER DEFICIT." IRRIGA 23, no. 4 (2018): 741–55. http://dx.doi.org/10.15809/irriga.2018v23n4p741-755.

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CANOPY TEMPERATURES AND ACCUMULATED DEGREE DAYS ON COTTON PLANTS UNDER WATER DEFICIT   JOÃO HENRIQUE ZONTA1; RUDAH MARQUES MANIÇOBA2; ZIANY NEIVA BRANDÃO3; MARIO ANASTASIO CARRILLO4 E JOSÉ RENATO CORTEZ BEZERRA5  1Embrapa Algodão, Rua Osvaldo Cruz, 1173, Centenário, Campina Grande – PB, CEP: 58428-095, e-mail: joao-henrique.zonta@embrapa.br 2Engenharia Agrícola, Universidade Federal Rural do Semiárido, Av. Francisco Mota, 572 - Bairro Costa e Silva, Mossoró - RN, CEP: 59625-900, e-mail: rudahmanicoba@gmail.com 3Embrapa Algodão, Rua Osvaldo Cruz, 1173,

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Godinho Junior, João de Deus, José Márcio de Sousa Júnior, Renato Adriane Alves Ruas, Alberto Carvalho Filho, and Pedro Ivo Vieira Good God. "DOSES DE GLIFOSATO E TEMPERATURA DA CALDA DE APLICAÇÃO NO CONTROLE DE CAPIM BRAQUIÁRIA." ENERGIA NA AGRICULTURA 35, no. 4 (2021): 468–75. http://dx.doi.org/10.17224/energagric.2020v35n4p468-475.

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DOSES DE GLIFOSATO E TEMPERATURA DA CALDA DE APLICAÇÃO NO CONTROLE DE CAPIM BRAQUIÁRIA JOÃO DE DEUS GODINHO JUNIOR1, JOSÉ MÁRCIO DE SOUSA JÚNIOR1, RENATO ADRIANE ALVES RUAS1, ALBERTO CARVALHO FILHO1, PEDRO IVO VIEIRA GOOD GOD1 1Instituto de Ciências Agrárias, Universidade Federal de Viçosa, Rodovia MG-230 - Km 7, Zona Rural, CEP: 38810-000, Rio Paranaíba - Minas Gerais, Brasil, joao.godinho@ufv.br, josemarcio_18@hotmail.com, renatoruas@ufv.br, albertoufv@gmail.com, pedro.god@ufv.br. RESUMO: As variações de temperatura podem influenciar na distribuição e penetração de princípios ativos de herbi

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Medeiros, Alexandre Magno Teodosio de, Márcia Pontes da Silva, Raimundo Mainar de Medeiros, and Ricardo Da Cunha Correia Lima. "Mudanças Climáticas em Campina Grande-PB – Um Estudo sobre o Aquecimento Urbano (Climate Change in Campina Grande-PB – A Study on Urban Heat)." Revista Brasileira de Geografia Física 4, no. 2 (2011): 278. http://dx.doi.org/10.26848/rbgf.v4i2.232724.

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O objetivo deste trabalho é estudar o comportamento da temperatura do ar nos últimos 20 anos (1990-2010), sobre a área urbana de Campina Grande, em relação às médias climatológicas do Instituto Nacional de Meteorologia – INMET (1961-1990). Foram utilizados dados da estação meteorológica do INMET, localizada nas dependências da EMBRAPA - Algodão – Campina Grande. Diagnosticou-se que a temperatura nos últimos anos tem apresentado um acréscimo considerável na temperatura observada em comparação com as normais climatológicas do INMET. Assim, os resultados convergiram em que as temperaturas médias,

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Spencer, William E., Stacey R. Delaney, Gary T. Rice, Karla L. Johnston, Russell Seither, and David S. White. "Optimum temperature for carbon assimilation in Kentucky Lake follows seasonal change in ambient temperature." Fundamental and Applied Limnology 141, no. 4 (1998): 389–401. http://dx.doi.org/10.1127/archiv-hydrobiol/141/1998/389.

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Lake, Yohanes Jean Del Rosario, Bartholomeus Pasangka, and Jehunias Leonidas Tanesib. "PEMETAAN DISTRIBUSI KANDUNGAN RADIOISOTOP DI DAERAH PERKEBUNAN UBI KAYU DI NUABOSI ENDE FLORES." Jurnal Fisika : Fisika Sains dan Aplikasinya 4, no. 2 (2019): 142–52. http://dx.doi.org/10.35508/fisa.v4i2.975.

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ABSTRAK Telah dilakukan penelitian di wilayah perkebunan ubi kayu Desa Ndetundora III Nuabosi Kecamatan Ende Kabupaten Ende mengenai pemetaan distribusi kandungan radioisotop. Tujuan penelitian ini menentukan interval cacah radiasi dan temperatur di daerah perkebunan, memetakan distribusi kandungan radiosotop di daerah perkebunan berdasarkan cacah radiasi dan temperatur serta mengestimasi luas daerah yang cacah radioisotopnya cukup tinggi. Metode penelitian yang digunakan terdiri dari observasi, mapping, analisis dan interpretasi data. Data yang diperoleh dalam penelitian di lapangan ada

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Costa, Danielle Carolina Campos da, Giselle De Souza Pinheiro, Gilmara Moreira de Oliveira, et al. "Emergência e Crescimento Inicial de Plântulas de Cebola Sob o Aumento da Temperatura e Concentração de CO2 (Onion Seedlings Emergence and Initial Growth Under Increased Temperature and CO2)." Revista Brasileira de Geografia Física 8 (December 1, 2015): 471. http://dx.doi.org/10.26848/rbgf.v8.0.p471-483.

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As mudanças climáticas, especialmente o aumento da temperatura e da concentração de gases de efeito estufa na atmosfera , afetarão o crescimento e desenvolvimento das plantas. O objetivo deste trabalho foi avaliar o efeito de aumento da temperatura e da concentração de CO2 na emergência de plântulas de cebola das cultivares Alfa São Francisco, Franciscana IPA 10, Vale Ouro IPA 11 e Serena .O experimento foi conduzido em câmaras de crescimento, com controle de umidade, luminosidade, temperatura e CO2, durante 12 dias. O delineamento experimental utilizado foi o inteiramente casualizado, em esqu

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Peet, Mary M., and Suguru Sato. "CREATING A RESPONSE SURFACE FOR FRUIT SET AND FRUIT PRODUCTION IN TOMATOES GROWN AT HIGH TEMPERATURE." HortScience 31, no. 5 (1996): 759c—759. http://dx.doi.org/10.21273/hortsci.31.5.759c.

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Global temperature increases are predicted over the next several decades. Earth surface temperatures in 1995 were the highest ever recorded. At day temperatures above 30C or night temperatures above 21C, tomato fruit production decreases. However, the temperature dependence of fruit production has not been described in terms of whether day temperatures, night temperatures, or mean temperatures are the most limiting. The process or tissue most sensitive to heat and most limiting to fruit production is also not known. The objectives of this experiment are to establish the temperature dependence

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