Gotowe bibliografie tematyczne / Testis Effect of heat on

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  1. Artykuły w czasopismach
  2. Rozprawy doktorskie
  3. Książki
  4. Części książek
  5. Streszczenia konferencji
  6. Raporty organizacyjne

Gotowa bibliografia na temat „Testis Effect of heat on”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 28 stycznia 2023

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Artykuły w czasopismach na temat "Testis Effect of heat on"

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Hamilton, Thais Rose dos Santos, Adriano Felipe Perez Siqueira, Letícia Signori de Castro, Camilla Mota Mendes, Juliana de Carvalho Delgado, Patrícia Monken de Assis, Leonardo Pereira Mesquita, et al. "Effect of Heat Stress on Sperm DNA: Protamine Assessment in Ram Spermatozoa and Testicle." Oxidative Medicine and Cellular Longevity 2018 (2018): 1–14. http://dx.doi.org/10.1155/2018/5413056.

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Sperm DNA fragmentation is considered one of the main causes of male infertility. The most accepted causes of sperm DNA damage are deleterious actions of reactive oxygen species (ROS), defects in protamination, and apoptosis. Ram sperm are highly prone to those damages due to the high susceptibility to ROS and to oxidative stress caused by heat stress. We aimed to evaluate the effects of heat stress on the chromatin of ejaculated and epididymal sperm and the activation of apoptotic pathways in different cell types in ram testis. We observed higher percentages of ejaculated sperm with increased
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Hu, Suqin, Dianlong Liu, Sijia Liu, Chunrui Li, and Jian Guo. "Lycium barbarum Polysaccharide Ameliorates Heat-Stress-Induced Impairment of Primary Sertoli Cells and the Blood-Testis Barrier in Rat via Androgen Receptor and Akt Phosphorylation." Evidence-Based Complementary and Alternative Medicine 2021 (May 3, 2021): 1–10. http://dx.doi.org/10.1155/2021/5574202.

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Male infertility induced by heat stress has been attracting more and more attention. Heat stress not only causes apoptosis of spermatocytes but also has adverse effects on Sertoli cells, further damaging spermatogenesis. Lycium barbarum polysaccharide (LBP) is the main bioactive component of Lycium barbarum, which has a protective effect on male reproduction, but its mechanism is still unclear. In this study, our results proved that LBP blocked the inhibitory effect on the proliferation activity of Sertoli cells after heat stress, reversed the dedifferentiation of Sertoli cells induced by heat
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Setchell, B. P., A. Locatelli, C. Perreau, C. Pisselet, I. Fontaine, C. Kuntz, J. Saumande, J. Fontaine, and M. T. Hochereau-de Reviers. "The form and function of the Leydig cells in hypophysectomized rams treated with pituitary extract when spermatogenesis is disrupted by heating the testes." Journal of Endocrinology 131, no. 1 (October 1991): 101–12. http://dx.doi.org/10.1677/joe.0.1310101.

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ABSTRACT The morphology and in-vivo function of the Leydig cells were studied in rams when spermatogenesis had been disrupted by a single exposure of the testes 20 days earlier to a temperature of about 42 °C for 45 min. To avoid complications due to changed negative feedback from the testes to the pituitary with consequent changes in the degree of gonadotrophic stimulation, ten of the animals (five heated and five unheated) were surgically hypophysectomized when the testes were heated and then treated twice daily with pituitary extract. Six intact rams (three heated and three unheated) were a
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Kheradmand, Arash, Omid Dezfoulian, and Mohammad Javad Tarrahi. "Ghrelin attenuates heat-induced degenerative effects in the rat testis." Regulatory Peptides 167, no. 1 (February 2011): 97–104. http://dx.doi.org/10.1016/j.regpep.2010.12.002.

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Guo, Jian, Shi-Xin Tao, Min Chen, Yu-Qiang Shi, Zhu-Qiang Zhang, Yin-Chuan Li, Xue-Sen Zhang, Zhao-Yuan Hu, and Yi-Xun Liu. "Heat Treatment Induces Liver Receptor Homolog-1 Expression in Monkey and Rat Sertoli Cells." Endocrinology 148, no. 3 (March 1, 2007): 1255–65. http://dx.doi.org/10.1210/en.2006-1004.

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We demonstrated in this study that liver receptor homolog-1 (LRH-1) was expressed in the round spermatids in normal monkey testis, and no LRH-1 signal was observed in the Sertoli cells. After local warming (43 C) the monkey testis, however, LRH-1 expression was induced in the Sertoli cells in coincidence with activation of cytokeratin 18 (CK-18), a Sertoli cell dedifferentiated marker. Furthermore, we isolated rat primary Sertoli cells from testes at various stages of development and treated with 43 C water in vitro. The changes in LRH-1 as well as CK-18 expression were analyzed by confocal im
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Hou, Ying, Peipei Yuan, Yang Fu, Qi Zhang, Yaxin Wei, Liyuan Gao, Li Liu, Xiaolan Wang, Xiaoke Zheng, and Weisheng Feng. "Duzhong Butiansu Prescription Improves Heat Stress-Induced Spermatogenic Dysfunction by Regulating Sperm Formation and Heat Stress Pathway." Evidence-Based Complementary and Alternative Medicine 2020 (February 27, 2020): 1–11. http://dx.doi.org/10.1155/2020/6723204.

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Background. Duzhong Butiansu (DZBTS) prescription contains many traditional Chinese medicines and has been shown to have a curative effect on male fertility. However, the efficacy and mechanism of DZBTS in the treatment of male infertility induced by heat stress have not been reported. The aim of the present study is to elucidate the effect and mechanism of DZBTS on spermatogenic function of a heat stress model in rats. Methods. Male Wistar rats (280–320 g) were given different doses of DZBTS (0.4853 g/kg/d or 0.9707 g/kg/d), Shengjing capsule (0.56 g/kg/d), or double distilled water for 15 da
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Mohajeri, D., and R. Kaffashi Elahi. "Effects of Nigella sativa on heat-induced testis damage in mouse." Bratislava Medical Journal 116, no. 04 (2015): 264–69. http://dx.doi.org/10.4149/bll_2015_051.

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Rahman, A., MM Hossain, M. Khan, MT Kamal, and MA Hashem. "Effect of Heat Stress on Buck’s Adaptability and Semen Characteristics." Journal of Environmental Science and Natural Resources 9, no. 1 (November 8, 2016): 151–56. http://dx.doi.org/10.3329/jesnr.v9i1.30309.

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The experiment was conducted to investigate the effect of heat stress on adaptability and semen quality of buck. Almost similar 10 Black Bengal bucks were selected for the study at Artificial Insemination Centre, Bangladesh Agricultural University, Bangladesh. Prerequisite biological data were collected from each animal before keeping them sun heat and after 1 hour sun exposure. Different semen characteristics of each animal were measured. Temperature humidity index (THI) was 19.95 in the morning which indicate all the animals were in absence of heat stress and THI was 25.54 in the noon which
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Yaeram, J., B. P. Setchell, and S. Maddocks. "Effect of heat stress on the fertility of male mice in vivo and in vitro." Reproduction, Fertility and Development 18, no. 6 (2006): 647. http://dx.doi.org/10.1071/rd05022.

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A study was conducted to determine whether following exposure of male mice to high temperatures, the ability of their spermatozoa to fertilise ova was reduced, especially during the period before the males became completely infertile. Male mice placed in a microclimate chamber at 36°C for two periods, each of 12 h on successive days, were less able to fertilise control females in vivo when mated and, even in those females that became pregnant, litter size was reduced. However, these effects were associated with falls in testis weight and numbers of spermatozoa in the testis and epididymis. To
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Koide, Y., T. Ono, C. Ishinami, and K. Yamashita. "Alterations in activities of calmodulin and heat-stable calmodulin-binding protein in rat testis." American Journal of Physiology-Cell Physiology 250, no. 2 (February 1, 1986): C299—C305. http://dx.doi.org/10.1152/ajpcell.1986.250.2.c299.

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Effects of postnatal development, surgical cryptorchidism, and hypophysectomy on the activity of calmodulin and of a 32,000-molecular weight (32) calmodulin-binding protein (Ono et al., J. Biol. Chem. 259: 9011-9016, 1984) were examined in rat testis. In adult rats, approximately 95% of their activities distributed in seminiferous tubule preparation, and most of them were in the 105,000-g supernatant. Both activities were low early in the development, but the calmodulin activity increased between 25 and 45 days of age, and the 32 K calmodulin-binding protein activity increased between 35 and 4
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Rozprawy doktorskie na temat "Testis Effect of heat on"

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Gao, Jing, and 高晶. "Effect of acupuncture on the spermatogenesis of heat-treated rodent testis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B41291001.

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Gao, Jing. "Effect of acupuncture on the spermatogenesis of heat-treated rodent testis." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B41291001.

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Yaeram, Jakrit. "The effect of whole body heating on testis morphology and fertility of male mice." Title page, table of contents and summary only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phj259.pdf.

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Narang, Vikas A. "Heat Transfer Analysis In Steel Structures." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-050405-133533/.

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Choi, Keum-Ran. "3D thermal mapping of cone calorimeter specimen and development of a heat flux mapping procedure utilizing an infrared camera." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-020205-215634/.

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Dissertation (Ph.D.)-- Worcester Polytechnic Institute.<br>Keywords: temperature measurement; heat flux maps; Cone Calorimeter; three-dimensional heat conduction; fire growth models; retainer frame; ceramic fiberboard; edge effect; one-dimensional heat conduction; heat flux mapping procedure; infrared camera; specimen preparation; edge frame; one-dimensional heat conduction model; thermal properties. Includes bibliographical references (p.202-204).
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Newton, Thomas Russell. "Investigation of the effect of process parameters on the formation of recast layer in wire-EDM of Inconel 718." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22580.

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Zabida, Omer Saleh. "The effect of methamphetamine on the blood-testis barrier." University of the Western Cape, 2018. http://hdl.handle.net/11394/6775.

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>Magister Scientiae - MSc<br>Introduction The blood-testis barrier (BTB) is formed by tight junctions between adjacent Sertoli cells. The barrier formed by these tight junction helps to create a specialized environment for spermatogenesis and provide an immunological barrier to protect developing germ cells. Methamphetamine (Meth) is known as neurotoxin however, its effects on the male reproductive system, especially on Sertoli cells and, the BTB are not well established. Therefore, this study aimed to determine the effects of Meth on the TM4 mouse testis Sertoli cell line and on the integrit
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Berny, Myriam. "High-temperature tests for ceramic matrix composites : from full-field regularised measurements to thermomechanical parameter identification." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPAST028.

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Cette thèse a pour objectif de développer une méthode de mesure de champs par corrélation d’images numériques (CIN) à haute température couplée à des mesures thermiques sur une éprouvette technologique en CMC sollicitée dans des conditions thermiques représentatives d’un environnement moteur et de mettre en place une méthodologie d’identification des propriétés thermiques et thermomécaniques du matériau, en quantifiant à chaque étape de la chaîne les incertitudes associées aux quantités d’intérêt et en les réduisant. Il a pour cela été nécessaire de traiter les défis inhérents à la CIN à chaud
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MIYAKE, KOJI, HATSUKI HIBI, KEISUKE YOKOI, SATOSHI KATSUNO, and MASANORI YAMAMOTO. "THE EFFECT OF VARICOCELECTOMY ON TESTICULAR VOLUME IN INFERTILE PATIENTS WITH VARICOCELES." Nagoya University School of Medicine, 1995. http://hdl.handle.net/2237/16083.

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Reed, Daniel Kelvin. "THE EFFECT OF HYPEROXIC GAS MIXTURES ON RECOVERY FROM SHORT-TERM MAXIMAL EXERCISE (VENTILATION, HEART RATE, PH)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/276382.

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Książki na temat "Testis Effect of heat on"

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Medicine), Conference on Temperature and Environmental Factors and the Testis (1989 New York University School of. Temperature and environmental effects on the testis. New York: Plenum Press, 1991.

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Greenleaf, J. E. Effect of heat acclimation on sitting orthostatic tolerance in the heat after 48 and 96 hour bed rest in men. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1995.

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Nelson, James B. Effect of long-term thermal aging on coated celion/LARC-160 composites. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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Conference on Characterization and NDE of Heat Damage in Graphite Epoxy Composites (1993 Orlando, Fla.). Conference on Characterization and NDE of Heat Damage in Graphite Epoxy Composites: Proceedings, April 27-28, 1993, Orlando, Florida. Austin, Tex: Nondestructive Testing Information Analysis Center (NTIAC), Texas Research Institute Austin, 1993.

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Hawthorne, J. R. Influence of fluence rate on radiation-induced mechanical property changes in reactor pressure vessel steels: Final report on exploratory experiments. Washington, DC: Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1990.

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Lee, B. T. Effect of wall and room surfaces on the rates of heat, smoke, and carbon monoxide production in a park lodging bedroom fire. [Washington, D.C.]: U.S. Dept. of Commerce, National Bureau of Standards, 1985.

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Lee, B. T. Effect of wall and room surfaces on the rates of heat, smoke, and carbon monoxide production in a park lodging bedroom fire. [Washington, D.C.]: U.S. Dept. of Commerce, National Bureau of Standards, 1985.

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Nover, Lutz. Heat shock response. Boca Raton, Fla: CRC Press, 1990.

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Josipovic, Stanislas. Heat stress: Causes, treatment and prevention. Hauppauge, N.Y: Nova Science Publishers, 2012.

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Workshop on Saving Energy and Reducing Atmospheric Pollution by Controlling Summer Heat Islands (1989 Berkley, Calif.). Controlling summer heat islands. Washington, D.C: U.S. Dept. of Energy, Building Systems Division, Office of Building and Community Systems, 1989.

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Części książek na temat "Testis Effect of heat on"

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Sevilla, Law Torres, and Jovana Radulovic. "Exploring the Relationship Between Heat Absorption and Material Thermal Parameters for Thermal Energy Storage." In Springer Proceedings in Energy, 27–32. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63916-7_4.

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AbstractUsing thermal energy storage alongside renewables is a way of diminishing the energy lack that exists when renewable energies are unable to run. An in-depth understanding of the specific effect of material properties is needed to enhance the performance of thermal energy storage systems. In this paper, we used fitting models and regression analysis to quantify the effect that latent heat of melting and material density have on the overall heat absorption. A single tank system, with encapsulated phase change materials is analysed with materials properties tested in the range of values commonly found in the literature. These materials are, therefore, hypothetically constructed ones based on materials such as paraffin. The software used for the numerical analysis is COMSOL Mulitphysics. Results show that the relationship between the latent heat and density regarding heat absorbed is a positive linear function for this system.
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Gooch, Jan W. "Heat Effect." In Encyclopedic Dictionary of Polymers, 360. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_5837.

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Schultz, Richard M., Kimberly D. Tremblay, Adam S. Doherty, and Marisa S. Bartolomei. "Effect of Embryo Culture on Imprinted Gene Expression in the Preimplantation Mouse Embryo." In The Testis, 245–55. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4612-2106-7_22.

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Rokade, Pramod Baburao. "Effect of Tannery Operations on Testis." In Impacts of Tannery Operations on Guppy, Poecilia reticulata, 33–36. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57654-1_7.

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Saxena, Ajit Kumar, and Amit Kumar. "Effect of Cyclophosphamide on Testis—Protein Profile Study." In Fish Analysis for Drug and Chemicals Mediated Cellular Toxicity, 25–42. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4700-3_3.

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Saxena, Ajit Kumar, and Amit Kumar. "Effect of Cyclophosphamide on Testis—A Histological Study." In Fish Analysis for Drug and Chemicals Mediated Cellular Toxicity, 43–58. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4700-3_4.

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Kakaç, Sadik. "The Effect of Augmented Surfaces on Two-Phase Flow Instabilities." In Heat Transfer Enhancement of Heat Exchangers, 447–65. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9159-1_25.

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Zappoli, Bernard, Daniel Beysens, and Yves Garrabos. "Thermovibrational Effect." In Heat Transfers and Related Effects in Supercritical Fluids, 345–64. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9187-8_17.

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Yu, Kuo-Tsong, and Xigang Yuan. "Simulation of Interfacial Effect on Mass Transfer." In Heat and Mass Transfer, 235–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-53911-4_8.

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Yu, Kuo-Tsung, and Xigang Yuan. "Simulation of Interfacial Effect on Mass Transfer." In Heat and Mass Transfer, 311–78. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2498-6_9.

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Streszczenia konferencji na temat "Testis Effect of heat on"

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Del Col, Davide, Stefano Bortolin, Alberto Cavallini, and Marko Matkovic. "Effect of Minichannel Cross Sectional Shape in Condensation." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22847.

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The objective of this work is to present new condensation heat transfer coefficients measured inside a single square cross section minichannel, having a 1.18 m side length, and compare them to the ones measured in a circular minichannel. This subject is particularly interesting since most of the mini and microchannels used in practical applications have non circular cross sections. The test section used in the present work is obtained from a thick wall copper tube which is machined to draw a complex passage for the coolant. This experimental technique allows to measure directly the temperature
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Mogaji, T. S., O. A. Sogbesan, and Tien-Chien Jen. "Effect of Heat Flux on Pool Boiling Heat Transfer Enhancement (Numerical Investigation Approach)." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23432.

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Abstract This study presents numerical investigation results of heat flux effect on pool boiling heat transfer enhancement during nucleate boiling heat transfer of water. The simulation was performed for five different heated surfaces such as: brass, copper, mild steel, stainless steel and aluminum using ANSYS simulation software at 1 atmospheric pressure. The samples were heated in a domain developed for bubble growth during nucleate boiling process under the same operational condition of applied heat flux ranged from 100 to 1000 kW/m2 and their corresponding heat transfer coefficient was obt
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Kim, Moo Hwan. "The Effect of Nanoscale Surface Modification on Boiling Heat Transfer and Critical Heat Flux." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-31276.

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Recently, there were lots of researches about enormous CHF enhancement with the nanofluid in pool boiling and flow boiling. It is supposed the deposition of nanoparticles on the heated surface is one of main reasons. In a real application, nanofluid has a lot of problems to be used as the working fluid because of sedimentation and aggregation. The artificial surfaces on silicon and metal were developed to have the similar effect with nanoparticles deposited on the surface. The modified surface showed the enormous ability to increase CHF in pool boiling. Furthermore, under flow boiling, it had
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Kandlikar, Satish G., and Paul H. Spiesman. "Effect of Surface Finish on Flow Boiling Heat Transfer." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0592.

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Abstract It is well known that the surface structure affects the pool boiling heat transfer from a heater surface. The number and size distribution of cavities present on a heater surface affect the nucleation characteristics. This fact is utilized in developing structured and sintered surfaces for enhanced boiling performance. The nucleate boiling component in flow boiling is also expected to exhibit a somewhat similar dependence. The present study investigates the flow boiling heat transfer of subcooled water over heater surfaces prepared with different roughness characteristics. The setup c
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Fitzgerald, Claire L., Adrian Briggs, Huasheng Wang, and John W. Rose. "Effect of Vapour Velocity on Condensation of Ethylene Glycol on Horizontal Integral Fin Tubes: Heat Transfer and Retention Angle Measurements." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22254.

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Heat-transfer data are reported for forced-convection filmwise condensation of ethylene glycol flowing vertically downward over two single, horizontal instrumented integral-fin tubes and one plain tube. Vapor-side, heat-transfer coefficients were obtained by direct measurement of the tube wall temperature using two specially manufactured, instrumented tubes with thermocouples embedded in the tube walls. Both tubes have fin height of 1.6 mm and fin root diameter and 12.7 mm, with fin thickness and spacings of 0.3 mm and 0.6 mm, respectively for one of the tubes and 0.5 mm and 1 mm, respectively
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Rodriguez, Luis Rafael Miranda, Neel Shah, Aisha S. Haynes, Calvin Lim, Christopher G. Stout, Stephen S. Recchia, and Assimina A. Pelegri. "Effect of Heat Stabilization and Solid Lubricants on High Strain Rate Response of Polyamide 6." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-73354.

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Abstract In this research, high strain rate impact testing of polyamide 6 composites (PA6) with different inclusions and processes is performed to assess the material response to increasing impact loads. Testing groups are divided into four categories depending on their inclusions and process: no inclusions, heat stabilized with no inclusions, oil &amp; Molybdenum disulfide (MoS2), and glass fiber solid lubricant. Computational analysis is performed to obtain material properties such as dynamic modulus and stress-strain behavior from Split Hopkinson Pressure Bar (SHPB) tests. Out of the four g
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Jahangirian, S., M. Abarham, A. Ghafourian, and M. H. Saidi. "Effect of Vortex Flow on Heat Transfer to Combustion Chamber Wall." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59550.

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A new experimental facility was designed, fabricated and tested to model and study the effect of bidirectional swirl flow on the rate of heat transfer to combustion chamber walls in many applications. Heat transfer to combustion chamber walls is an unwanted phenomenon. Reduction of this heat transfer can result in time and cost saving methods in design and fabrication of combustion chambers. The experimental study was performed by using propane and air with oxygen as fuel and oxidizer respectively. The location of injection ports and geometry of combustion chamber are flexible and could be var
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Lee, Suvit, Dazhong Yuan, and Bangxian Wu. "Experimental Study on Counter-Gravity Effect of Non-Phase Change Heat Pipes." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22555.

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An innovative concept of Non-Phase Change Heat Pipe (NPC-HP) was recently proposed by the present authors. Different shapes of NPC-HP with different structures have been successfully developed in our laboratory. The heat transfer in NPC-HP is not dependent on phase change, but on pressure response to temperature change. With the external heat source as the driving force, the remarkable pressure rise of the working medium inside NPC-HP resulting from the heat input precedes the rise of the saturated vapor pressure, thus effectively restrains the phase change in the loop pipe and finally results
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Kedzierski, Mark A. "Effect of Diamond Nanolubricant on R134a Pool Boiling Heat Transfer." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18032.

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This paper quantifies the influence of diamond nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a roughened, horizontal, flat surface. Nanofluids are liquids that contain dispersed nano-size particles. A lubricant based nanofluid (nanolubricant) was made by suspending 10 nm diameter diamond particles in a synthetic ester to roughly a 2.6% volume fraction. For the 0.5% nanolubricant mass fraction, the nanoparticles caused a heat transfer enhancement relative to the heat transfer of pure R134a/polyolester (99.5/0.5) as large as 129% for the best performing tests. A
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Guan, Ning, Zhigang Liu, and Chengwu Zhang. "Viscous Dissipation Effect of Liquid Flow in Microtubes." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52136.

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Viscous dissipation effects on de-ionized ultra pure water flow through smooth quartz glass microtubes with different inner diameters are investigated numerically and experimentally as the Reynolds number varies in the range from 0 to 700. In present study, a 2-D model adapted to microtube is presented to analyze the viscous dissipation characteristic in microtube considering EDL effect. According to the numerical simulation results, a new criterion Vc demonstrating the law of the viscous dissipation in microtube is summed up in this paper. Based on the micro-area thermal-imaging technology an
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Raporty organizacyjne na temat "Testis Effect of heat on"

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Hansen, Peter J., and Zvi Roth. Use of Oocyte and Embryo Survival Factors to Enhance Fertility of Heat-stressed Dairy Cattle. United States Department of Agriculture, August 2011. http://dx.doi.org/10.32747/2011.7697105.bard.

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The overall goal was to identify survival factors that can improve pregnancy success following insemination or embryo transfer in lactating dairy cows exposed to heat stress. First, we demonstrated that oocytes are actually damaged by elevated temperature in the summer. Then we tested two thermoprotective molecules for their effect on oocyte damage caused by heat shock. One molecule, ceramide was not thermoprptective. Another, insulin-like growth factor-1 (IGF) reduced the effects of heat shock on oocyte apoptosis and oocyte cleavage when added during maturation. We also used lactating cows ex
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Johra, Hicham. Performance overview of caloric heat pumps: magnetocaloric, elastocaloric, electrocaloric and barocaloric systems. Department of the Built Environment, Aalborg University, January 2022. http://dx.doi.org/10.54337/aau467469997.

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Heat pumps are an excellent solution to supply heating and cooling for indoor space conditioning and domestic hot water production. Conventional heat pumps are typically electrically driven and operate with a vapour-compression thermodynamic cycle of refrigerant fluid to transfer heat from a cold source to a warmer sink. This mature technology is cost-effective and achieves appreciable coefficients of performance (COP). The heat pump market demand is driven up by the urge to improve the energy efficiency of building heating systems coupled with the increase of global cooling needs for air-cond
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Hansen, Peter J., Zvi Roth, and Jeremy J. Block. Improving oocyte competence in dairy cows exposed to heat stress. United States Department of Agriculture, January 2014. http://dx.doi.org/10.32747/2014.7598163.bard.

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Original Objectives. The overall goal is to develop methods to increase pregnancy rate in lactating dairy cows exposed to heat stress through methods that minimize damage to the oocyte and embryo caused by heat stress. Objectives were as follows: (1) examine the protective effects of melatonin on developmental competence of oocytes exposed to elevated temperature in vitro; (2) test whether melatonin feeding can improve developmental competence of oocytes in vivo and, if so, whether effects are limited to the summer or also occur in the absence of heat stress; and (3) evaluate the effectiveness
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Lee, K. H., and Tzou-Shin Ueng. Air-injection field tests to determine the effect of a heat cycle on the permeability of welded tuff. Office of Scientific and Technical Information (OSTI), October 1991. http://dx.doi.org/10.2172/138216.

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Berry, Terri-Ann, Jordan H. D. Chiswell, Shannon L. Wallis, and Roger Birchmore. The Effect of Airtightness on Indoor Air Quality in Timber Houses in New Zealand. Unitec ePress, December 2017. http://dx.doi.org/10.34074/ocds.92017.

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This two-part study considers the impact of airtightness based on volatile organic compounds (VOCs) only. Two identical buildings (test and control) were constructed in Auckland, New Zealand. The test building contained an Intello vapour check membrane to reduce air-flow and subsequent heat loss. Air change rates (air changes per hour, or ACH) were calculated from air-leakage rates in each of the buildings. Data analysis demonstrated that the VOC levels in the test house were consistently higher than those established in the control house.
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Wolfenson, David, William W. Thatcher, Rina Meidan, Charles R. Staples, and Israel Flamenbaum. Hormonal and Nutritional Stretegies to Optimize Reproductive Function and Improve Fertility of Dairy Cattle during Heat Stress in Summer. United States Department of Agriculture, August 1994. http://dx.doi.org/10.32747/1994.7568773.bard.

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The BARD program includes two main parts. In the first, experiments were conducted to complete our understanding of the mechanisms responsible for the impairment of reproductive functions under heat stress. Experiments focused on follicular development and function, since results obtained in our previous BARD project indicate that the preovulatory follicle is susceptible to heat stress. The theca cells, sensitive to thermal stress, produced less androgen during the summer, as well as during the autumn. Similarly, luteinized theca cells obtained from cows in summer produced much less progestero
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Dahl, Geoffrey E., Sameer Mabjeesh, Thomas B. McFadden, and Avi Shamay. Environmental manipulation during the dry period of ruminants: strategies to enhance subsequent lactation. United States Department of Agriculture, February 2006. http://dx.doi.org/10.32747/2006.7586544.bard.

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The project resulted from earlier observations that environmental factors, especially photoperiod and temperature, had profound effects on milk yield in dairy cattle during lactation. More recently we had determined that photoperiod manipulation during the dry period altered milk yield in the next lactation, and this was associated with shifts in circulating concentrations of prolactin; specifically exposure to short days during the dry period decreases prolactin but increases milk yield. Because prolactin is also affected by temperature, with heat stress causing an increase in prolactin simil
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El Halawani, Mohamed, and Israel Rozenboim. Environmental factors affecting the decline in reproductive efficiency of turkey hens: Mediation by vasoactive intestinal peptide. United States Department of Agriculture, January 2007. http://dx.doi.org/10.32747/2007.7696508.bard.

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Reproductive failure associated with heat stress is a well known phenomenon in avian species. Increased prolactin (PRL) levels in response to heat stress have been suggested as a mechanism involved in this reproductive malfunction. To test this hypothesis, laying female turkeys were subjected to 40°C for 12 h during the photo-phase daily or maintained at 24–26°C. Birds in each group received oral treatment with parachlorophenyalanine (PCPA; 50 mg/kg BW/day for 3 days), an inhibitor of serotonin (5-HT) biosynthesis; or immunized against vasoactive intestinal peptide (VIP). Both treatments are k
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Seginer, Ido, Daniel H. Willits, Michael Raviv, and Mary M. Peet. Transpirational Cooling of Greenhouse Crops. United States Department of Agriculture, March 2000. http://dx.doi.org/10.32747/2000.7573072.bard.

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Background Transplanting vegetable seedlings to final spacing in the greenhouse is common practice. At the time of transplanting, the transpiring leaf area is a small fraction of the ground area and its cooling effect is rather limited. A preliminary modeling study suggested that if water supply from root to canopy is not limiting, a sparse crop could maintain about the same canopy temperature as a mature crop, at the expense of a considerably higher transpiration flux per leaf (and root) area. The objectives of this project were (1) to test the predictions of the model, (2) to select suitable
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Joseph, M. Heat pipe effect in porous medium. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/138712.

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