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Dissertations / Theses on the topic 'Polyodon'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2025

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1

Hageman, John. "The Reproductive Biology of the Paddlefish, Polyodon Spathula (Walbaum), in Lake Cumberland, Kentucky." TopSCHOLAR®, 1985. https://digitalcommons.wku.edu/theses/2427.

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The reproductive biology of the paddlefish (Polyodon spathula) was studied on specimens collected from Lake Cumberland, Kentucky, from September 1983 to July 1984. A total of 500 specimens was studied. Reproductive activity was observed on 17 April 1984 in the Big South Fork of Lake Cumberland. Seasonal differences were observed in sex ratios with more males than females occurring in the winter and spring. Movements were observed throughout the year, but these were accentuated prior to reproduction in the spring. Lake Cumberland paddlefish became sexually mature by Age Group V in males and VII

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2

Timpe, Douglas. "Age & Growth of the Paddlefish, Polyodon Spathula (Walbaum), in Lake Cumberland, Kentucky." TopSCHOLAR®, 1985. https://digitalcommons.wku.edu/theses/2926.

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Age and growth parameters of paddlefish from Lake Cumberland were investigated from September 1983 through July 1984. Sex ratios observed were 60 percent male and 40 percent female. The average total length for all paddlefish was 135.3 cm with fish captured in net tackle having a smaller body size than those caught on snag lines. Fish from the Cumberland River exhibited a greater mean body length than those from other parts of the lake, and females were longer than males. The average body weight was 11.8 kg and showed similar trends as body length. Net-captured paddlefish weighed less than tho

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3

O'Keefe, Daniel Mark. "Conservation and management of paddlefish in Mississippi with emphasis on the Tennessee-Tombigbee Waterway." Diss., Mississippi State : Mississippi State University, 2006. http://sun.library.msstate.edu/ETD-db/ETD-browse/browse.

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4

Lash, Jennifer A. "Vascular Corrosion Casts of the Spiral Valve Intestine of Siberian Sturgeon (Acipenser baerii), North American Paddlefish (Polyodon spathula) and the Yellow Stingray (Urobatis jamaicensis): A Comparative Study." NSUWorks, 2013. http://nsuworks.nova.edu/occ_stuetd/160.

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Both Elasmobranchii and Acipenseriformes have a spiral intestine, developed by the intestine folding inward and twisting upon itself. A comparative analysis of the digestive system of examples of Subclass Elasmobranchii (sharks and rays) to Order Acipenseriformes (sturgeon and paddlefish) was conducted through gross dissection and scanning electron microscopy (SEM) analysis. Urobatis jamaicensis, Acipenser baerii, and Polyodon spathula were used due to accessibility. Gross dissection analysis yielded that the acipenserids have a columnar spiral valve with 8 infoldings, and U. jamaicensis has a

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5

Neumetzler, Lutz. "Identification and characterization of Arabidopsis mutants associated with xyloglucan metabolism." Berlin Rhombos-Verl, 2008. http://d-nb.info/1000391426/04.

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6

Bredenkamp, Angela [Verfasser]. "Methoden zur Synthese von 1,3-Polyolen und Isatinen / Angela Bredenkamp." Wuppertal : Universitätsbibliothek Wuppertal, 2015. http://d-nb.info/1081329076/34.

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7

Chen, Daidi. "Genetic studies on pleiotropic polyoxin resistant mutants of Bipolaris maydis." Kyoto University, 2018. http://hdl.handle.net/2433/232359.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第21158号<br>農博第2284号<br>新制||農||1060(附属図書館)<br>学位論文||H30||N5132(農学部図書室)<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)教授田中千尋, 教授本田与一, 教授宮川恒<br>学位規則第4条第1項該当

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8

Müller, Susanne. "Möglichkeiten der Verwendung von flüssigem Ammoniak bei der Herstellung und Aktivierung von Chemiezellstoffen." [S.l. : s.n.], 2004. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11103980.

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9

Gethin, David Morris. "Towards the novel enantioselective synthesis of the nucleoside antibiotic, polyoxin J." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363937.

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10

Fabičovicová, Katarína [Verfasser], Peter [Akademischer Betreuer] Claus, and Herbert [Akademischer Betreuer] Vogel. "Hydrogenolyse cellulosehaltiger Biomasse zur Herstellung von Polyolen / Katarína Fabičovicová ; Peter Claus, Herbert Vogel." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/112831004X/34.

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11

Park, Jung Min. "The development of a synthetically useful penaldic acid equivalent and its application to the asymmetric synthesis of polyoxin J." Case Western Reserve University School of Graduate Studies / OhioLINK, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=case1054825471.

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12

Gould, David Matthew. "Bleaching of dyes by hydrogen peroxide using oxo- and polyoxo-metalates as catalysts." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325604.

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13

Linde, Renate. "Blei(II)- und Zinn(II)-Komplexe mit Polyolen und a-Hydroxycarbonsäuren sowie Blei(II)-Cyclodextrin-Einlagerungskomplexe." Diss., lmu, 2002. http://nbn-resolving.de/urn:nbn:de:bvb:19-1429.

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14

Kutterer, Kristina M. K. "Urea and carbamate backbone modified DNA & work towards a synthesis of polyoxin L and analogues." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28808.

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Urea, N-methylurea and carbamate linked thymidine dimers, 38, 37 and 39 respectively, were synthesized efficiently and incorporated into 12- and 19-mer DNA oligonucleotide strands, via solid-phase synthesis. Thermal denaturation studies utilizing complementary single stranded DNA, RNA and duplex DNA, indicated selectivity of binding of all three backbone modified oligomers to single stranded DNA. The oligomer containing dimer 37 exhibited the strongest binding to single stranded DNA. Carbamate and 5$ sp prime$-N-methylurea modified dimers suitable for the preparation of longer nucleoside homop

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15

Rimbaud, Christian. "Assemblages moleculaires covalents et non covalents entre polyoxo-metallates et entites organiques fonctionnalisees ou radicalaires." Rennes 1, 1997. http://www.theses.fr/1997REN10149.

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Ces travaux de recherche s'inscrivent dans le domaine des materiaux moleculaires associant entites inorganiques (polyoxometallates) et entites organiques (tetrathiafulvalene et radicaux nitronyl nitroxyde). Notre contribution dans ce domaine concerne la synthese de nouveaux materiaux moleculaires associant polyoxometallates et ttf dans une meme molecule par l'intermediaire d'une liaison covalente ainsi que l'obtention d'assemblages supramoleculaires associant polyoxometallates et radicaux de la famille des nitronyl-nitroxydes. Apres un rappel sur les proprietes magnetiques et conductrices des

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16

Baumann, Hans. "Versuche zur Herstellung von Polyoximsäure : ein Teilproblem der Totalsynthese von Polyoxin A, F, H, K und I /." [S.l.] : [s.n.], 1985. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=7932.

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17

Soler, Andrea [Verfasser], Herbert [Akademischer Betreuer] Vogel, and Peter [Akademischer Betreuer] Claus. "Über die Dehydratisierung von Polyolen in nah- und überkritischem Wasser / Andrea Soler. Betreuer: Herbert Vogel ; Peter Claus." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2012. http://d-nb.info/1106114558/34.

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18

Golhen, Stéphane. "Synthèse, cristallochimie et propriétés physiques d'assemblages moléculaires de radicaux cations organiques ou organométalliques avec des polyoxo-métallates et des cyanures d'argent." Rennes 1, 1997. http://www.theses.fr/1997REN10093.

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Le travail presente dans cette these concerne la synthese, la cristallochimie et les proprietes physiques d'assemblages moleculaires de precurseurs organiques et inorganiques afin d'initier des interactions a travers l'espace entre porteurs de spins et porteurs de charges dans le but de preparer des materiaux moleculaires conducteurs ou magnetiques. Nous avons choisi comme precurseur organique les derives de bedt-ttf, comme precurseur organometallique les metallocenes et comme partenaires inorganiques les polyoxometallates et les cyanures d'argent. Dans le premier chapitre, nous illustrons d'e

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19

Hölting, Dorothee [Verfasser]. "Kohlenstoffdioxid sowie 2,3-Butylenoxid-Derivate als Polymerbausteine -Synthese und Charakterisierung von Polyolen und ungesättigten Polyestern als Komponenten für Polyurethane und UP-Harze- / Dorothee Hölting." München : Verlag Dr. Hut, 2013. http://d-nb.info/1036345580/34.

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20

Husby, Chad Eric. "Influence of Temperature and Time on Nutrient Release Patterns of Osmocote Plus™, Nutricote™, and Polyon™ Controlled-Release Fertilizers." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/33658.

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Polymer-coated controlled-release fertilizers (PCFs) are the most widely used class of fertilizers in the production of container-grown nursery plants. Nutrient release from PCFs is primarily influenced by temperature. The objective of this study was to determine the influences of temperature and time on the nutrient release patterns of three PCFs (each with a rated longevity of 8-9 months), each using a different coating technology: Osmocote Plus™ 15N-3.93P-9.96K, Polyon™ 18N-2.62P-9.96K, and Nutricote™ 18N-2.62P-6.64K. The first three experiments investigated the effects of time on long-

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21

Zellmer, Patricia J. "The identification and characterization of Caecidotea racovitzai (Isopoda) as the ecologically important second intermediate host of the invasive trematode Leyogonimus polyoon (Trematoda), and aspects of the natural history of each on Shawano Lake, Wisconsin /." Link to full text, 2009. http://epapers.uwsp.edu/thesis/2009/Zellmer.pdf.

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Thesis (M.S.)--University of Wisconsin--Stevens Point, 2009.<br>Submitted in partial fulfillment of the requirements of the degree Master of Science in Natural Resources (Wildlife), College of Natural Resources. Includes bibliographical references (leaves 167-174).

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22

Kose, Elif. "Chemoenzymatic Synthesis Of 4-hydroxy Enones." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/1252519/index.pdf.

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Chiral cyclic polyoxo-ketones are important structural units in many natural products, biologically active compouds, such as prostaglandins, didemnenones, sarkomycin, punaglandin, clavulone, etc. In this work, a chemoenzymatic synthesis of both enantiomers of the &amp<br>#945<br>&rsquo<br>-acetoxy-&amp<br>#945<br>-methyl and &amp<br>#947<br>-hydroxy-&amp<br>#945<br>-methyl cyclic enones starting from &amp<br>#945<br>-methyl-&amp<br>#946<br>-methoxy cyclic enone is described. Manganese (III) acetate-mediated acetoxylation followed by the enzyme-mediated hydrolysis of &amp<br>#945<br>&rsquo<br>

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23

Mikula, Jakub. "Lomové chování svařovaných polyolefinových trubek." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231097.

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Cílem této diplomové práce je řešit problematiku poškozování svařovaných polyolefinových potrubí. Prezentovaná práce je zaměřena na numerické modelování kvazi-křehkého porušování, které je přímým důsledkem šíření creepové trhliny. Svařování polyolefinových potrubí vnáší do oblasti svaru nehomogenní rozložení materiálových vlastností a tvar svarového výronku způsobuje vznik geometrických koncentrátorů napětí. Posouzení těchto vlivů na životnost svarového spoje a výpočet polyolefinových potrubí je hlavním cílem této práce. V práci je uveden popis několika experimentálních testů (především CRB a

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24

More, Jesse D. More Jesse D. More Jesse D. "1. A convenient and advantageous protocol for the oxidation of alcohols with o-iodoxybenzoic acid (IBX) ; 2. Asymmetric formal synthesis of polyoxin C ; 3. Synthetic studies toward octosyl acid A /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3123661.

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25

Xiang, Yixian [Verfasser], Ulrich [Akademischer Betreuer] [Gutachter] Kortz, Gerd-Volker [Gutachter] Röschenthaler, Thomas [Gutachter] Heine, and Josep M. [Gutachter] Poblet. "Synthesis, Characterization and Properties of 3d Transition Metal-Substituted Polyoxotungstates and Polyoxo-noble-metalates / Yixian Xiang ; Gutachter: Ulrich Kortz, Gerd-Volker Röschenthaler, Thomas Heine, Josep M. Poblet ; Betreuer: Ulrich Kortz." Bremen : IRC-Library, Information Resource Center der Jacobs University Bremen, 2014. http://d-nb.info/111884730X/34.

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26

Patterson, Chas P. "Ecology of a reintroduced population of paddlefish, Polyodon spathula in Lake Texoma." 2009. http://digital.library.okstate.edu/etd/Patterson_okstate_0664M_10687.pdf.

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27

Karpilovskij, Mark. "Enumerace vyplnění polyomin." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-380905.

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We prove two new results about 0-1-fillings of skew diagrams avoiding long increasing and decreasing chains. In the first half of the thesis, we show that for a large class of skew diagrams, there is a bijection between sparse fillings avoiding an increasing chain of fixed length and sparse fillings avoiding a decreas- ing chain of the same length. In the second half, we extend a known inequality between the number of sparse 0-1-fillings of skew diagrams avoiding an increasing chain of length 2 and a decreasing chain of length 2 to all 0-1-fillings. 1

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28

Fabicovicova, Katarina. "Hydrogenolyse cellulosehaltiger Biomasse zur Herstellung von Polyolen." Phd thesis, 2017. https://tuprints.ulb.tu-darmstadt.de/6098/1/Dissertation_Hydrogenolyse%20cellulosehaltiger%20%20Biomasse%20zur%20Herstellung%20von%20Polyolen_Katarina%20Fabicovicova.pdf.

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Im Rahmen dieser Arbeit wurde die heterogen katalysierte Umsetzung von Cellulose sowie anderer lignocellulosehaltiger Materialien mit der Zielsetzung wertvolle Chemikalien - primär Polyole wie Ethylenglycol, Propylenglycol und Sorbitol - zu gewinnen, untersucht. Lignocellulose ist der meist verbreitete nachwachsende Rohstoff, der nicht in direkter Konkurrenz zu Nahrungsmitteln steht. Die Herausforderung bei der Umsetzung liegt in der hohen chemischen Stabilität der Cellulose (Hauptbestandteil von Lignocellulose), die über geeignete Prozesse chemischer oder biologischer Art aufgeschlossen werde

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29

Soler, Andrea. "Über die Dehydratisierung von Polyolen in nah- und überkritischem Wasser." Phd thesis, 2012. https://tuprints.ulb.tu-darmstadt.de/2928/1/%C3%9Cber_die_Dehydratisierung_von_Polyolen_Andrea_Soler.pdf.

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Nah- und überkritisches Wasser eignet sich aufgrund seiner physikalisch-chemischen Eigenschaften gut als Reaktionsmedium zur Dehydratisierung von Polyolen. In dieser Arbeit wird die Umsetzung von 2,3-Butandiol, 2-Methyl-1,3-Propandiol und 1,2,4-Butantriol unter solchen Bedingungen betrachtet. Die Experimente wurden in einer Hochdruckanlage in einem Temperaturbereich von 300 – 400 °C und bei Drücken von 20-40 MPa durchgeführt. Durch den Einsatz verschiedener Additive (Übergangsmetallsulfate, -nitrate, -acetate und Phosphorsäure) können Umsatz- und Selektivitätsverhalten beeinflusst und optimie

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30

Linde, Renate. "Blei(II)- und Zinn(II)-Komplexe mit Polyolen und Alpha-Hydroxycarbonsäuren sowie Blei(II)-Cyclodextrin-Einlagerungskomplexe." 2002. http://edoc.ub.uni-muenchen.de/142/.

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31

Betz, Richard [Verfasser]. "Süße Gifte : Verbindungen des Arsens, seiner Homologen und Schräganalogen mit Diolen, Polyolen, Hydroxycarbonsäuren, Aminosäuren und Kohlenhydraten / von Richard Betz." 2009. http://d-nb.info/1007906022/34.

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32

Shao-Hsuan, Tseng. "Effects of Polyoxin B and glucose on productivity of 1,3-Beta-glucan of Ganoderma lucidum fermentation broth and Immunopotentiation evaluation." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2707200615345500.

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33

Linde, Renate [Verfasser]. "Blei(II)- und Zinn(II)-Komplexe mit Polyolen und α-Hydroxycarbonsäuren [Alpha-Hydroxycarbonsäuren] sowie Blei(II)-Cyclodextrin-Einlagerungskomplexe / Renate Linde". 2002. http://d-nb.info/965808831/34.

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34

Tseng, Shao-Hsuan, та 曾勺瑄. "Effects of Polyoxin B and glucose on productivity of 1,3-β-glucan of Ganoderma lucidum fermentation broth and Immunopotentiation evaluation". Thesis, 2006. http://ndltd.ncl.edu.tw/handle/39189834661272642969.

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碩士<br>國立臺灣大學<br>食品科技研究所<br>94<br>The objectives of this research were to determine the optimum fermentation condition and to enhance the 1,3-β-D-glucan production of Ganoderma lucidum in submerged culture. The immunopotentiation of the polysaccharide from G. lucidum fermentation was evaluated by the inhibitory ratio of leukemic U937 cell as an model. The basic medium consisted of 5% black soybean, 2% Huangqi and 2% glucose. Furthermore, 1% glucose was added on day 4, 6 and 8, respectively. The effect of feeding time during the 12-day cultivation in 5L fermentor was evaluated. Addition of 1% gl

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35

Ott, Lothar [Verfasser]. "Stoffliche Nutzung von Biomasse mit Hilfe von nah- und überkritischem Wasser : homogenkatalysierte Dehydratisierung von Polyolen zu Aldehyden / vorgelegt von Lothar Ott." 2005. http://d-nb.info/977030431/34.

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