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Relevant bibliographies by topics / Freezing

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Academic literature on the topic 'Freezing'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 June 2025

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Journal articles on the topic "Freezing"

1

Erlandsen, S., A. Holzer, M. Gavin, C. Frethem, and C. Wells. "High Pressure Freezing/Freeze Substituion: Comparison of Chemical Fixation Versus Cryoimmobilization of Candida Albicans Cultured in Cellulose Tubing." Microscopy and Microanalysis 5, S2 (August 1999): 434–35. http://dx.doi.org/10.1017/s143192760001549x.

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In the interactions of Candida albicans with host cells, the cell wall of the yeast may play important roles in the adhesion of yeast cells to tissues. The outer cell wall of yeast (e.g. Saccharomyces cerevisiae, C. albicans) has been shown to consist of a dense network of radially projecting fibrils composed of mannoproteins that are known as fimbriae and which previously have required cryopreservation either by jet propane freezing or by plunge freezeing for their visualization. High pressure freezing provides an advantage over jet or plunge freezing in terms of the higher consistancey in the quality of freezing, and the minimization of formation of ice I with this method. Hohenberg et al reported a method utilizing cellulose capillary tubes to cryoimmobilize suspensions of microoganisms by high pressure freezing (HPF) and freeze substitution (FS), and herein, we describe an adaptation of this method by culturing microorganisms within the tubing to increase cell density prior to high pressure freezing and freeze substution.

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Tseilikman, Vadim E., Vladislav A. Shatilov, Maxim S. Zhukov, Irina A. Buksha, Alexandr E. Epitashvily, Ilya A. Lipatov, Maxim R. Aristov, et al. "Limited Cheese Intake Paradigm Replaces Patterns of Behavioral Disorders in Experimental PTSD: Focus on Resveratrol Supplementation." International Journal of Molecular Sciences 24, no. 18 (September 20, 2023): 14343. http://dx.doi.org/10.3390/ijms241814343.

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Currently, the efficacy of drug therapy for post-traumatic stress disorder or PTSD leaves much to be desired, making nutraceutical support a promising avenue for treatment. Recent research has identified the protective effects of resveratrol in PTSD. Here, we tested the behavioral and neurobiological effects of combining cheese consumption with resveratrol supplements in an experimental PTSD model. Using the elevated plus maze test, we observed that cheese intake resulted in a shift from anxiety-like behavior to depressive behavior, evident in increased freezing acts. However, no significant changes in the anxiety index value were observed. Interestingly, supplementation with cheese and resveratrol only led to the elimination of freezing behavior in half of the PTSD rats. We further segregated the rats into two groups based on freezing behavior: Freezing+ and Freezing0 phenotypes. Resveratrol ameliorated the abnormalities in Monoamine Oxidize -A and Brain-Derived Neurotrophic Factor gene expression in the hippocampus, but only in the Freezing0 rats. Moreover, a negative correlation was found between the number of freezing acts and the levels of Monoamine Oxidize-A and Brain-Derived Neurotrophic Factor mRNAs in the hippocampus. The study results show promise for resveratrol supplementation in PTSD treatment. Further research is warranted to better understand the underlying mechanisms and optimize the potential benefits of resveratrol supplementation for PTSD.

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HAYMET, A. D. J. "Freezing." Science 236, no. 4805 (May 29, 1987): 1076–80. http://dx.doi.org/10.1126/science.236.4805.1076.

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Fagerström, Erik, and Anna-Lena Ljung. "Internal flow in freezing and non-freezing water droplets at freezing temperatures." International Journal of Heat and Mass Transfer 234 (December 2024): 126100. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2024.126100.

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CHEN, YAU-LING, and BONNIE SUN PAN. "Freezing tilapia by airblast and liquid nitrogen - freezing point and freezing rate." International Journal of Food Science & Technology 30, no. 2 (July 1, 2007): 167–73. http://dx.doi.org/10.1111/j.1365-2621.1995.tb01368.x.

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Hung, W. T., W. H. Feng, I. H. Tsai, D. J. Lee, and S. G. Hong. "Uni-directional freezing of waste activated sludges: Vertical freezing versus radial freezing." Water Research 31, no. 9 (September 1997): 2219–28. http://dx.doi.org/10.1016/s0043-1354(97)00067-5.

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Yam, Philip. "Freezing Point." Scientific American 264, no. 5 (May 1991): 35. http://dx.doi.org/10.1038/scientificamerican0591-35.

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Bloem, B. R., I. M. F. van Balken, and J. Nonnekes. "Functional freezing." European Journal of Neurology 24, no. 12 (November 17, 2017): e91-e92. http://dx.doi.org/10.1111/ene.13455.

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Edmiston, Michael D. "Freezing points." Physics Teacher 28, no. 5 (May 1990): 260. http://dx.doi.org/10.1119/1.2343018.

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BEAUJEAN, F. "Freezing methods." Revue Francaise de Transfusion et Immuno-hématologie 28, no. 5 (November 1985): 391–96. http://dx.doi.org/10.1016/s0338-4535(85)80014-3.

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Dissertations / Theses on the topic "Freezing"

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Zhang, Qi. "Freezing tolerance in zoysiagrass." Diss., Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/448.

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Pande, Vijay Satyanand. "Freezing transition of heteropolymers." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/33262.

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Ahmad, Mansour M. M. "Assessment of freezing desalination technologies." Thesis, Swansea University, 2012. https://cronfa.swan.ac.uk/Record/cronfa42635.

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The production of both fresh water and waste streams are progressively increasing over the years due to ongoing population growth coupled with high levels of increase in water consumption. The ongoing growth of human activities, such as industry, recreation, and agriculture, are significantly contributing to the increase in both water demand and severity of degradation of natural water resources. The majority of the industrial wastewaters have a significant impact on the environment; some of which may pose a number of threats to human health and the surrounding environment. Thus, discharge of such waste streams into a surface water and/or groundwater presents a major source of water pollution in many countries. Therefore, these waste streams must be disposed of in an environmentally acceptable manner. The primary concern of the PhD thesis is to seek the most feasible and applicable freezing desalination technologies that are potentially capable to concentrate the dissolved ionic content of the liquid streams, especially for those causing severe pollution problems. Therefore, various forms of melt crystallisation processes, namely; agitated and static crystallisation processes, ice maker machines, a Sulzer falling film crystallisation process, the Sulzer suspension crystallisation process, and the Sulzer static crystallisation process, were experimentally used and investigated. The experimental investigations were carried out on the laboratory bench scale and/or straightforward pilot plant by using aqueous solutions of sodium chloride and/or process brines as feed samples. The study was focused on a number of important parameters influencing the separation performance of the investigated treatment systems. In general, the resulting experimental data for each innovative process were highly encouraging in minimising the volume of the waste stream, and substantially increasing the amount of product water. The obtained product water was ready for immediate use either as drinking water or as a saline water of near brackish water or seawater qualities. Also, relationships between the influences and the separation performance, in terms of salt rejection and water recovery ratios, were explored and determined for the investigated technologies. Based on the experimental results, the Sulzer melt crystallisation processes were scaled up and were combined into a commercial reverse osmosis membrane desalination plant. As a result, three novel treatment option configurations were proposed for minimising the waste stream, whilst increasing the production rate of drinking water and/or preserving a substantial amount of natural water resource from the RO plant's exploitation.

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Wood, John Anderson Carleton University Dissertation Geology. "Internal pressures in freezing soils." Ottawa, 1985.

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Griffin, Joshua E. "Wastewater Irrigation in Freezing Conditions and the Impacts to Runoff Water Quality and Soil Freezing." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1420584627.

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Han, Sangjoon. "Modeling the mechanics of freezing clay." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/3441.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Civil Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Beerman, Michael. "Transverse freezing of thin liquid films /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/10573.

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Karlsson, Ami. "Purifying contaminated water by eutectic freezing." Thesis, Umeå universitet, Kemiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-85836.

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Noon, C. "Secondary frost heave in freezing soils." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360418.

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Frost heave describes the phenomenon whereby soil freezing causes upwards surface motion due to the action of capillary suction imbibing water from the unfrozen region below. The expansion of water on freezing is a small part of the overall surface heave and it is the flow of water towards the freezing front which is largely responsible for the uplift. In this thesis, we analyse a model of frost heave due to Miller (1972, 1978) which is referred to as `secondary frost heave'. Secondary frost heave is characterised by the existence of a `partially frozen zone', underlying the frozen soil, in which ice and water coexist in the pore space. In the first part of the thesis we follow earlier work of Fowler, Krantz and Noon where we show that the Miller model for incompressible soils can be dramatically simplified. The second part of the thesis then uses this simplification procedure to develop simplified models for saline and compressible soils. In the latter case, the development of the theory leads to the consideration of non-equilibrium soil consolidation theory and the formation of segregated massive ice within permafrost. The final part of the thesis extends the simplified Miller model to the analysis of differential frost heave and the formation of patterned ground (e.g. earth hummocks and stone circles). We show that an instability mechanism exists which provides a plausible theory for the formation of these types of patterned ground.

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Knutsson, Sven. "Soil behavior at freezing and thawing." Doctoral thesis, Luleå tekniska universitet, Geoteknologi, 1998. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-25923.

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Avhandlingens första del behandlar en teoretisk beräkningsmodell för tjällyftning samt studier av dess noggranhet i olika situationer. Tjällossningsförloppet analyseras och studeras genom noggranna mätningar av porvattentryckens fördelning i tid och rum. Porvattentrycksutvecklingen kopplas till läget av islinserna i jorden, som detekteras med hjälp av röntgenteknik. Avhandlingens andra del belyser hur frusen jord kan packas och vad deformationerna i sådan jord blir då den tinar. Beräkningar av kompressionen i samband med upptining jämförs med resultat från såväl laboratorieförsök som uppföljningar i fält. Strukturella förändringar i jorden till följd av frysning och tining belyses också.<br>Godkänd; 1998; 20061123 (haneit)

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Books on the topic "Freezing"

1

Langan, Steve. Freezing. Kalamazoo, MI: New Issues/Western Michigan University, 2001.

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Evans, Penelope. Freezing. New York, NY: Soho Press, 1998.

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Nawroth, Frank. Social Freezing. Wiesbaden: Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09892-6.

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Bald, W. B., ed. Food Freezing. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-3446-6.

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Alerassool, Mahvash. Freezing Assets. London: Palgrave Macmillan UK, 1993. http://dx.doi.org/10.1007/978-1-349-22532-3.

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van der Ven, Katrin, Monika Pohlmann, and Corinna Hößle. Social Freezing. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-17942-7.

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7

Copyright Paperback Collection (Library of Congress), ed. Freezing point. New York: Jove Books, 2008.

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8

Berry, Holly. Freezing foods. Pullman, [Wash.]: Cooperative Extension, College of Agriculture and Home Economics, Washington State University, 1990.

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9

Im, Tar-yŏng. P'ŭrijing: Freezing. Sŏul T'ŭkpyŏlsi: Haksan Munhwasa, 2010.

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Simmonds, Posy. F-freezing ABC. New York: Knopf, 1996.

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Book chapters on the topic "Freezing"

1

Mauricio Pardo, José, and Keshavan Niranjan. "Freezing." In Food Processing Handbook, 131–52. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527634361.ch4.

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Dijkstra, Jeanne, and Cees P. de Jager. "Freezing." In Practical Plant Virology, 192–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-72030-7_36.

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Pardo, Jose Mauricio, and Keshavan Niranjan. "Freezing." In Food Processing Handbook, 125–45. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607579.ch4.

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Verster, Joris C., Thomas M. Tzschentke, Kieran O’Malley, Francis C. Colpaert, Bart Ellenbroek, Bart Ellenbroek, R. Hamish McAllister-Williams, et al. "Freezing." In Encyclopedia of Psychopharmacology, 546. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68706-1_1502.

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Kramer, Donald E., Lyn D. Peters, and Edward Kolbe. "Freezing." In The Seafood Industry, 230–48. Oxford, UK: Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118229491.ch18.

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Licciardello, Joseph J. "Freezing." In The Seafood Industry, 205–18. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4615-2041-2_13.

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Alerassool, Mahvash. "Introduction: Economic Sanctions and Freezing Assets." In Freezing Assets, 1–7. London: Palgrave Macmillan UK, 1993. http://dx.doi.org/10.1007/978-1-349-22532-3_1.

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Alerassool, Mahvash. "The International Emergency Economic Powers Act and the Freezing of Iranian Assets." In Freezing Assets, 8–33. London: Palgrave Macmillan UK, 1993. http://dx.doi.org/10.1007/978-1-349-22532-3_2.

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Alerassool, Mahvash. "The Extraterritorial Application of the Freeze Order and the Litigation in European Courts." In Freezing Assets, 34–73. London: Palgrave Macmillan UK, 1993. http://dx.doi.org/10.1007/978-1-349-22532-3_3.

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Alerassool, Mahvash. "The Hostage Crisis and the Secret Negotiations that Led to Its Resolution." In Freezing Assets, 74–104. London: Palgrave Macmillan UK, 1993. http://dx.doi.org/10.1007/978-1-349-22532-3_4.

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Conference papers on the topic "Freezing"

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Zhang, Yi, Chenglong She, Jingjing Chen, and Xiaobo Yin. "Daytime radiative freezing." In Nonimaging Optics: Efficient Design for Illumination and Concentration XIX, edited by Lun Jiang and Roland Winston, 44. SPIE, 2024. http://dx.doi.org/10.1117/12.3027412.

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Fowler, Alex J., and Mehmet Toner. "Cryopreservation of Cells Using Ultra-Rapid Freezing." In ASME 1997 International Mechanical Engineering Congress and Exposition, 179–83. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1332.

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Abstract This paper reports on the development of a new cryopreservation protocol that uses laser warming and liquid nitrogen cooling to establish extreme temperature gradients that lead to cooling rates of greater than 106 K per second. Experiments using short laser pulses demonstrate that these cooling rates lead to the creation of clear ice regions consistent with the creation of amorphous ice. Differential thermal analysis of the clear ice regions proves that they do consist of substantial portions of amorphous ice. It is believed that freezing cells in a non-crystalline ice will lead to successful cryopreservation of any cell type. Numerical simulations have allowed investigators to identify a geometry that will enable the freezing of cells and small tissue samples into an amorphous solid phase with the use of little or no cryoprotectant.

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Moravcova, Vendula, Jana Moravcova, Vaclav Bystricky, and Jakob Polensky. "EFFECT OF FREEZING ON THE STATOBLAST OF THE INVASIVE BRYOZOAN PECTINATELLA MAGNIFICA." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024, 117–22. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/5.1/s20.15.

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Statoblasts are dormant, asexual propagules critical for the survival and dispersal of bryozoans, such as Pectinatella magnifica. Understanding the resilience of statoblasts to environmental stresses is crucial for predicting the response of bryozoan populations to changing conditions. This study investigates the effect of freezing on the viability of statoblasts from P. magnifica. Statoblasts were collected from Pectinatella magnifica colonies in the Protected Landscape area and Biospheric Reservation Trebonsko. Molecular analyses were used to assess the freezing effect on the statoblasts, especially analyses of the amount and quality of extracted DNA. Statoblasts were subjected to varying degrees of freezing temperatures and durations to simulate natural and extreme conditions. Preliminary findings suggest that freezing significantly affects statoblast viability and germination potential, with survival rates varying depending on the intensity and duration of freezing. Furthermore, differential responses among statoblast populations from diverse habitats highlight potential adaptations to local environmental conditions. These results contribute to our understanding of bryozoan life history strategies and their resilience to environmental stressors, providing insights into the ecological dynamics of freshwater ecosystems. Further research is needed to elucidate the mechanisms underlying statoblast responses to freezing and their implications for bryozoan population dynamics in changing environments.

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Sopko, Joseph A. "Forensics by Freezing." In Grouting 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480786.010.

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Sopko, Joseph A., Adam T. Curry, and Gregory T. Ziegler. "Grouting for Freezing." In Grouting 2017. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480786.012.

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Tabe, Y., H. Nakamiya, K. Kikuta, T. Chikahisa, F. Kagami, and K. Yoshizawa. "STUDY ON FREEZING PHENOMENA IN PEM FUEL CELL BLOW FREEZING." In Annals of the Assembly for International Heat Transfer Conference 13. Begell House Inc., 2006. http://dx.doi.org/10.1615/ihtc13.p3.80.

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Zheng, Dayu, Xiang Li, Haifeng Yu, and Li Wang. "Carnation Vacuum Freezing Test." In 2016 International Conference on Applied Mathematics, Simulation and Modelling. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/amsm-16.2016.77.

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Thievenaz, Virgile, Thomas Seon, and Christophe Josserand. "Video: Freezing Drop Impact." In 71th Annual Meeting of the APS Division of Fluid Dynamics. American Physical Society, 2018. http://dx.doi.org/10.1103/aps.dfd.2018.gfm.v0011.

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Isaac, G., S. Cober, A. Korolev, J. Strapp, and A. Tremblay. "Canadian Freezing Drizzle Experiment." In 37th Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1999. http://dx.doi.org/10.2514/6.1999-492.

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Pradeep, Maneesha, Krishna Rajagopal, Misha Stephanov, and Yi Yin. "Freezing out critical fluctuations." In The International conference on Critical Point and Onset of Deconfinement. Trieste, Italy: Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.400.0035.

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Reports on the topic "Freezing"

1

Weber, Eugene M. Freezing Precipitation. Fort Belvoir, VA: Defense Technical Information Center, March 1998. http://dx.doi.org/10.21236/ada343975.

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Nguyen, J. H. Fe Freezing Experimental Notes. Office of Scientific and Technical Information (OSTI), July 2015. http://dx.doi.org/10.2172/1468911.

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Jones, Kathleen F. Ice Accretion in Freezing Rain. Fort Belvoir, VA: Defense Technical Information Center, April 1996. http://dx.doi.org/10.21236/ada310659.

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Strauss, Harald, David Rust, D. G. McGrew, and Francis Tower. Forecasting Freezing Precipitation in Central Europe. Fort Belvoir, VA: Defense Technical Information Center, November 1986. http://dx.doi.org/10.21236/ada202802.

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Philleo, Robert E. Pore structure of concrete and freezing vulnerability. Gaithersburg, MD: National Institute of Standards and Technology, 1989. http://dx.doi.org/10.6028/nist.ir.89-4186.

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Shmakova, Marina. Freezing of Moduli by N=2 Dyons. Office of Scientific and Technical Information (OSTI), May 2003. http://dx.doi.org/10.2172/813188.

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Wagner, Anna, Jon Maakestad, Edward Yarmak, and Thomas Douglas. Artificial ground freezing using solar-powered thermosyphons. Engineer Research and Development Center (U.S.), November 2021. http://dx.doi.org/10.21079/11681/42421.

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Thermosyphons are an artificial ground-freezing technique that has been used to stabilize permafrost since the 1960s. The largest engineered structure that uses thermosyphons to maintain frozen ground is the Trans Alaska Pipeline, and it has over 124,000 thermosyphons along its approximately 1300 km route. In passive mode, thermosyphons extract heat from the soil and transfer it to the environment when the air temperature is colder than the ground temperature. This passive technology can promote ground cooling during cold winter months. To address the growing need for maintaining frozen ground as air temperatures increase, we investigated a solar-powered refrigeration unit that could operate a thermosyphon (nonpassive) during temperatures above freezing. Our tests showed that energy generated from the solar array can operate the refrigeration unit and activate the hybrid thermosyphon to artificially cool the soil when air temperatures are above freezing. This technology can be used to expand the application of thermosyphon technology to freeze ground or maintain permafrost, particularly in locations with limited access to line power.

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Tummaruk, Padet, Kakanang Buranaamnuay, Wanpen Adulyanubap, Jinda Singlor, and Mongkol Techakumphu. Development of techniques for freezing boar semen. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.91.

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The objective of the present study was to investigate the feasibility of boar semen cryopreservation in Thailand and to investigate factors that could affect the boar semen quality after cryopreservation. Fifteen purebred boars (5 Landrace, 5 Yorkshire and 5 Duroc) from 2 commercial herds in Nakorn-prathom province were used in the experiment. Three ejaculates from each boar were collected with over one-week interval using gloved-hand technique. After collection, the semen was diluted with isothermal Beltsville thawing solution (BTS) extender. Diluted semen was held at 15 °C for 2 h and centrifuged. The supernatant was discarded and the semen precipitant was re-suspended with lactose-egg yolk (LEY) extender. The diluted semen was cool down to 5°C within 90 min. Two parts of semen were mixed with one part of LEY extender with 9% glycerol and 1.5% Equex-STM®. Thereafter, the processed semen was loaded into 0.5 mL straws. The straws were placed in liquid nitrogen (LN2) vapor approximately 3 cm above the level of the LN2 for 20 min and then were plunged into LN2. Thawing was achieved by immersing the straws in water at 50 °C for 12 second. After thawing, the semen was diluted (1:4) with an extender consisting of 95% BTS and 5% LEY extender. The extended thawed semen was incubated in a 38 °C water-bath for 30 min before evaluating the semen quality after thawing. Sperm concentration, individual motility, sperm viability, percentage of normal apical ridge (NAR), sperm plasma membrane function (sHost) and sperm plasma membrane integrity (SYBR) were evaluated. The semen qualities before and after thawing were compared for each boar using paired t-test. Pearson’s correlation was used to evaluate the correlation among all sperm parameters that were measured. Data on individual motility, viability, NAR, sHost positive spermatozoa and SYBR after thawing were analyzed using the General Linear Model (GLM) procedure of the SAS. On average, the sperm concentration of pre-diluted fresh semen was 529.7x106 spz/mL and the sperm concentration of frozen thawed semen was 811x106 spz/mL. The individual motility, the sperm viability, the NAR, the sHost and the SYBR of boar spermatozoa after frozen-thawed were 28%, 36.2%, 26.4%, 18.5% and 30.9%, respectively. All of the sperms parameters measured significantly decreased after frozen and thawed i.e., individual motility decreased by 44.2%, sperm viability decreased by 37.9% and NAR deceased by 59.5%. The individual motility of frozen-thawed spermatozoa was significantly correlated with the sperm viability (P<0.001), the NAR (P<0.02), the sHOST (P<0.001) and the membrane integrity (SYBR) (P<0.001). The higher concentration of frozen-thawed semen resulted in the lower membrane integrity (r=-0.3, P=0.04). Breed of boars and the individual boar within the same breed significantly influenced most of the sperm parameters after being frozen-thawed. The sperm viability of frozen-thawed semen in Duroc and Landrace boars was significantly higher than Yorkshire boars (P<0.05). The membrane integrity of frozen-thawed semen in Landrace boar was significantly higher than Yorkshire boars (P<0.05). In conclusions, the semen cryopreservation of boar could be performed successfully in Thailand with an average concentration of spermatozoa in frozen thawed semen of 811x106 spz/mL, the individual motility of 28% and the sperm viability of 36%. Breed of boars and the individual boar within the same breed significantly influenced most of the sperm parameters after being frozen-thawed.

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ธัญพิทยากุล, ชัยยุทธ, กัลยา เลาหสงคราม, สายวรุฬ ชัยวานิชศิริ, พิชญ์อร วนาอินทรายุธ та สรายุทธ ชำนิกุล. การศึกษาสมบัติทางเคมีฟิสิกส์และทางความร้อนของกุ้งและปลาหมึก : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1992. https://doi.org/10.58837/chula.res.1992.5.

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งานวิจัยนี้เน้นศึกษาการสร้างและปรับปรุงอุปกรณ์สำหรับหาค่าสมบัติทางความร้อนของกุ้งและปลาหมึกให้เหมาะสม โดยกุ้งศึกษาผลของพันธุ์ Penaeus monodon Febriius, Penaeus merguiensis de Man) วิธีการแช่แข็ง (โดยใช้วิธี air-biast freezing และ dry-ice freezing) และอุณหภูมิ (-30+ 1 -18+ 1 and -10+ 1 องศาเซลเซียส) ส่วนปลาหมึกทำการศึกษาผลของพันธุ์ (Lotigo formosana และ Sepia pharaonis) ภาวะการละลาย (ผ่านการละลายและไม่ผ่านการละลาย) และอุณหภูมิ (-40+ 1 -18+ 1 and -10+ 1 องศาเซลเซียส) ที่มีต่อสมบัติทางความร้อนซึ่งได้แก่ ความร้อนจำเพาะ สภาพนำความร้อน และสภาพแพร่ความร้อน โดยหาค่าความร้อนจำเพาะด้วยวิธี modified method of mixture ค่าสภาพนำความร้อนด้วย thermal conductivity probe และค่าสภาพแพร่ความร้อน ในช่วงแช่แข็งของกุ้งกุลาดำที่แช่แข็งด้วยวิธี air-blast freezing มีค่าเท่ากับ 0,423-1.148 แคลอรี/กรัม องศาเซลเซียส 1.109-1.288 วัตต์/เมตร องศาเคลวิน และ 5.116x10-7-6.942x10-7 เมตร2/วินาที ตามลำดับ และกุ้งกุลาดำที่แช่แข็งด้วยวิธี dry-ice freezing มีค่าเท่ากับ 0.433 - 1.147 แคลอรี/กรัม องศาเซลเซียส 1.066 - 1.291 วัตต์/เมตร องศาเคลวิน และ 5.837x10-7 - 7.851x10-7 เมตร2/วินาที ตามลำดับ สำหรับค่าความร้อนจำเพาะค่าสภาพนำความร้อน และค่าสภาพแพร่ความร้อนในช่วงแช่แข็งของกุ้งแซบ๊วยที่แช่แข็งด้วยวิธี air-blast freezing มีค่าเท่ากับ 0.516 - 1.206 แคลอรี/กรัม องศาเซลเซียส 1.116 - 1.304 วัตต์/เมตร องศาเคลวิน และ 5.908x10-7-7.141x10-7 เมตร2/วินาที และกุ้งแซบ๊วยที่แช่แข็งด้วยวิธี dry-ice freezing มีค่าเท่ากับ 0.509 - 1.198 แคลอรี/กรัม องศาเซลเซียส 1.122 - 1.313 วัตต์/เมตร องศาเคลวิน และ 5.942x10-7 - 7.800x10-7 เมตร2/วินาที ตามลำดับ ในช่วงการแช่แข็งของปลาหมึกกล้วยที่ไม่ผ่านการละลายมีค่าเท่ากับ 0.481-1.146 คลอรีต่อกรัม องศาเซสเซียส 1.311 - 1.567 วัตต์ต่อเมตรองศาเคลวิน และ 2.761x10-7 -7.451x10-7 เมตร2ต่อวินาที ตามลำดับ และที่ผ่านการละลายมีค่า 0.375 - 1.017 คลอรีต่อกรัม องศาเซลเซียส 1.156 - 1.394 วัตต์ต่อเมตร องศาเคลวิน และ 2.833x10-7 - 8.814x10-7 เมตร2ต่อวินาที ตามลำดับ สำหรับปลาหมึกกระดองที่ไม่ผ่านการละลายในช่วงแช่แข็งมีค่าความร้อนจำเพาะ ค่าสภาพนำความร้อน และค่าสภาพแพร่ความร้อน เท่ากับ 0.435 - 1.111 แคลอรีต่อกรัม องศาเซลเซียส 1.279 - 1.523 วัตต์ต่อเมตร องศาเคลวิน และ 2.891x10-7 - 8.492x10-7 เมตร2ต่อวินาที ตามลำดับ ส่วนที่ผ่านการละลายในช่วงแช่แข็งมีค่า 0.426 - 1.066 แคลอรีต่อกรัม องศาเซลเซียส 1.244 - 1.493 วัตต์ต่อเมตร องศาเคลวิน และ 1.01x10-7-8.554x10-7 เมตร2/ต่อวเนาที ตามลำดับ สำหรับกุ้งค่าสภาพนำความร้อนและค่าสภาพแพร่ความร้อนมีความสัมพันธ์แบบ polynomial กับ พันธุ์ วิธีการแช่แข็ง และอุณหภูมิ ส่วนค่าความร้อนจำเพาะมีความสัมพันธ์แบบ polynomial กับ พันธุ์และอุณหภูมิ สำหรับปลาหมึก ค่าความร้อนจำเพาะ ค่าสภาพนำความร้อน และค่าสภาพแพร่ความร้อนมีความสัมพันธ์แบบ polyonmial พันธุ์ ภาวะการละลายและอุณหภูมิ

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10

Lv, Q., Y. Momozaki, E. Boron, D. B. Chojnowski, J. J. Sienicki, and C. B. Reed. Sodium Freezing and Remelting Tests in FY 2018. Office of Scientific and Technical Information (OSTI), September 2018. http://dx.doi.org/10.2172/1483831.

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