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Dissertations / Theses on the topic 'Lithium alkyls'

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Published: 9 March 2023

Last updated: 19 July 2025

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1

Park, Bongjin. "Single electron transfer in reactions involving alkyl halides with lithium alkylamide, lithium alkyl and lithium metal." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/27052.

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2

Antolini, Floria. "Complexes of novel chiral alkyl and Câ†1-symmetric amido ligands." Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367353.

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3

Thornton, Terry L. (Terry Lee) 1962. "Mixed Alkyllithim/Lithium Alkoxide Aggregates with Less Sterically Crowded Alkyl Groups." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc278441/.

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Mixed alkyllithium / lithium alkoxide aggregates in the form (RLi)n(ROLi)m were formed by addition of corresponding alcohol compounds at different Li/O ratios. Variable temperature 13C and 6Li NMR spectroscopy were used to verify the formation of the mixed aggregates and to study their behavior in hydrocarbon solution. Spectra for the lithium n-propoxide / n-propyllithium and iso-butyllithium / lithium iso-butoxide systems each indicated at least one mixed aggregate.

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4

Welder, Catherine Owens. "A mechanistic evaluation of the reactions of lithium aluminum hydride with alkyl halides." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/25958.

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5

SUAREZ, BERTOA RICARDO. "Sustainable procedures in organic synthesis." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2009. http://hdl.handle.net/10281/7474.

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O-acyl-N-benzyllactamides are obtained in good yield by reaction of 4-benzyl-5-methyl-1,3-oxazolidine-2,4-diones with Grignards reagents and with lithium alkyls. Three alkanes and two ethers were oxidised with ozone in dichloromethane solution or in aqueous pH 3 suspension. Cyclodecane and cyclododecane were converted into the corresponding cycloalkanones. n-decane was converted into a mixture of isomeric n-decanones and carboxylic acids. An ester was formed from the ethers. Hence, one of the methylene groups of these substrates is generally converted into a carbonyl group. Some of these react

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6

Ullrich, Steven A. "Synthesis and Characterization of some Flourine-containing Lithium Alkyl Sulfonates: Flourinated Sulfonates and SF5-containing Sulfonates." PDXScholar, 1994. https://pdxscholar.library.pdx.edu/open_access_etds/4880.

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Lithium salts of pentafluorothio alkyl sulfonic acids and perfluoroalkyl disulfonic acids were prepared for testing for possible use as polymer electrolytes. Most of these lithium salts were made from the corresponding sodium, potassium or calcium salts. Aqueous solutions of these salts were passed through polystyrene sulfonate ion exchange resin in the acid form to obtain aqueous solutions of the corresponding acids. The acids were then neutralized with lithium hydroxide using a pH meter. One salt was made by reacting the barium salt of the corresponding acid with lithium sulfate. A sulfonyl

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7

Millard, Marcus J. "Effects of Lithium Nitrate Admixture on Early Age Concrete Behavior." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/11615.

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Alkali silica reaction (ASR), a reaction which occurs between reactive siliceous mineral components in the aggregate and the alkaline pore solution in concrete, is responsible for substantial damage to concrete structures in the U. S. and across the world. Lithium admixtures, including lithium nitrate (LiNO3), have been demonstrated to mitigate ASR damage, and are of particular interest for use in concrete airfield pavement construction, where ASR damage has been recently linked to the use of certain de-icing chemicals. Although the effectiveness of lithium admixtures at ASR-mitigation is we

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8

Collins, Courtney Lloyd. "Examination of the mechanism by which lithium additives inhibit alkali-silica reaction gel expansion." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/21295.

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9

Robertson, Alan. "Elaboration and expansion of the chemistry of alkali metal primary amide complexes." Thesis, University of Strathclyde, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248701.

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10

Murphy, Denissa Tjiadarma. "Structural Investigation of Electrodes for Rechargeable Alkali Ion Batteries." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17699.

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This thesis describes the in-depth characterisation of the structure, including detailed cation distributions, of positive electrode materials for lithium and sodium ion batteries. As the crystal chemistry influences the mobility of lithium and sodium ions, the structure and electrochemical property relationships for select compounds have been established. The majority of this thesis is focused on the structural characterisation of LiMn2-xTixO4 (0.2 ≤ x ≤ 1.5). A combination of X-ray and neutron powder diffraction studies along with spectroscopic techniques and physical property measurements w

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11

Maraschky, Adam M. "Experimental and Modeling Studies of Dendrite Initiation during Lithium Electrodeposition." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1590505470067127.

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12

Vignarooban, Kandasamy. "Boson Mode, Dimensional Crossover, Medium Range Structure and Intermediate Phase in Lithium- and Sodium-Borate Glasses." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1353100044.

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13

Kganyago, Khomotso R. "A Theoretical Study of Alkali Metal Intercalated Layered Metal Dichalcogenides and Chevrel Phase Molybdenum Chalcogenides." Thesis, University of Limpopo (Turfloop Campus), 2004. http://hdl.handle.net/10386/702.

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Thesis (Ph.D. (Engineering mechanics)) --University of Limpopo, 2004<br>This thesis explores the important issues associated with the insertion of Mg2+ and Li+ into the solid materials: molybdenum sulphide and titanium disulphide. This process, which is also known as intercalation, is driven by charge transfer and is the basic cell reaction of advanced batteries. We perform a systematic computational investigation of the new Chevrel phase, MgxMo6S8 for 0 ≤ x ≤ 2, a candidate for high energy density cathode in prototype rechargeable magnesium (Mg) battery systems. Mg2+ intercalation property of

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14

Kautz, Jr David Joseph. "Investigation of Alkali Metal-Host Interactions and Electrode-Electrolyte Interfacial Chemistries for Lean Lithium and Sodium Metal Batteries." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/103946.

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The development and commercialization of alkali ion secondary batteries has played a critical role in the development of personal electronics and electric vehicles. The recent increase in demand for electric vehicles has pushed for lighter batteries with a higher energy density to reduce the weight of the vehicle while with an emphasis on improving the mile range. A resurgence has occurred in lithium, and sodium, metal anode research due to their high theoretical capacities, low densities, and low redox potentials. However, Li and Na metal anodes suffer from major safety issues and long-term c

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15

Robitaille, Amélie. "Synthèse et caractérisation de poly[5-alkyl-thieno-[3,4-c]-pyrrole-4,6-dione]s pour la fabrication d’électrodes de batteries lithium-ion." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25841.

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Le potentiel d’oxydoréduction des anodes utilisée dans un pile lithium-ion doit se trouver au-dessus de 0,75V vs Li/Li+ pour rester sécuritaire et ne doit pas excéder 2V vs Li/Li+ pour conserver une puissance adéquate. Suite aux travaux effectués les polythienopyrroledione (PTPD) ont démontré des potentiels d'oxydo-réduction de 1,6V vs Li/Li+ ce qui correspond aux critères établis ci-haut. De plus, ils ont une capacité théorique de 215 mAh/g, ont obtenu une capacité expérimentale de 209 mAh/g. Cette capacité est toutefois inférieure à celle des matériaux d'anodes actuellement sur le marché. Pa

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16

Crosbie, Elaine. "Alkali-metal-mediated alumination : development of bis-TMP chemistry of [(THF)AM(TMP)₂Al(iBu)₂] with emphasis on lithium." Thesis, University of Strathclyde, 2013. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=22543.

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Deprotonation, the exchange of an inert carbon-hydrogen bond for a more chemically useful carbon-metal bond, has long been one of the methods of choice for constructing substituted aromatic and heteroaromatic compounds. Organolithium reagents have been the standard for this purpose for many years; however, their many limitations mean that new reagents for deprotonative metallation are sought. Alkali-Metal-Mediated Metallation (AMMM) was developed as an alternative vehicle to functionalising a plethora of substrates. This project focuses on the synergic alumination chemistry generated by combin

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17

Silva, Domingos Jorge Ferreira da. "Estudo dos efeitos do nitrato de lítio na expansão de argamassas sujeitas a reação álcali-sílica /." Ilha Solteira : [s.n.], 2007. http://hdl.handle.net/11449/91469.

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Resumo: Várias pesquisas realizadas com compostos a base de lítio tem mostrado resultados satisfatórios na redução da expansão associada à reação álcali-sílica (RAS), mas ainda existem muitas dúvidas sobre seus mecanismos de ação. A presente pesquisa avaliou os efeitos de uma adição química a base de nitrato de lítio (LiNO3) na redução da expansão associada a RAS, utilizando várias dosagens. Os estudo dos efeitos do LiNO3 na RAS foi feito pelo método acelerado das barras de argamassa (ASTM C-1260) utilizando dois tipos de agregado reativo. Também foram realizados ensaios de expansão com uma ad

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18

Tacnet, Anthony. "Development of precursors for DLI-MOCVD based on alkali and niobium : Application to radiofrequency filters in the field of 5G." Electronic Thesis or Diss., Lyon 1, 2024. http://www.theses.fr/2024LYO10196.

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Atteindre le plein potentiel de la 5ème génération de télécommunications mobiles (5G) et la miniaturisation des composants nécessitent de développer et d’améliorer la couche mince piézoélectrique présente dans les filtres acoustiques radiofréquences (RF) à haute fréquence. Ces derniers sont actuellement réalisés à base de nitrure d’aluminium avec une bande passante limitée par un coefficient de couplage électromécanique faible. Les monocristaux de niobates de lithium (LiNbO3) représentent environ 80% des filtres radiofréquences, basés sur les ondes acoustiques de surfaces, mais leur élaboratio

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19

Fauchard, Mélissa. "Intercalation d'alliages or-potassium et calcium-lithium dans des structures carbonées de basse dimensionnalité." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0140/document.

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L’intercalation de métaux dans le graphite a été réalisée pour la première fois en 1926. Depuis cette découverte, de nombreux composés binaires et ternaires ont été synthétisés. Au cours de ce travail, la méthode solide-liquide en milieu alliage fondu à base d’alcalin a d’abord été utilisée afin d’intercaler l’or dans le graphite à l’aide du potassium. Puis, l’intercalation du calcium dans des matériaux B-C-N de structure graphitique a été réalisée par le biais du lithium. La diffraction des rayons X, l’analyse par faisceau d’ions, la microscopie électronique ainsi que les techniques spectrosc

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20

Couture, Karine. "Etude de la métallation en série diazinique 1) premier échange iode-lithium avec les alkylamidures de lithium 2) amination électrophile 3) première métallation sans groupe directeur." Rouen, 1995. http://www.theses.fr/1995ROUES020.

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Ce travail consiste en l'étude de la réaction de métallation en série diazinique. Dans une première partie, nous avons pu mettre en évidence pour la première fois en série diazinique, un mécanisme d'halogen-dance avec migration de l'iode. De plus, nous avons pu observer pour la première fois dans cette série, un exceptionnel échange iode-métal avec les alkylamidures de lithium. Cette réaction a été appliquée à la synthèse de leshmaniacides. Dans une seconde partie, nous avons mis au point l'amination électrophile par métallation en série diazinique. Cette réaction d'amination a été appliquée à

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21

Kerkhoff, Linda [Verfasser], Petra [Gutachter] Becker-Bohatý, and Thomas [Gutachter] Lorenz. "Crystal growth and structural aspects of alkali iridates and ruthenates of lithium and sodium / Linda Kerkhoff ; Gutachter: Petra Becker-Bohatý, Thomas Lorenz." Köln : Universitäts- und Stadtbibliothek Köln, 2021. http://d-nb.info/1235138763/34.

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22

Rio, Fernandes Diogo. "Trapping and cooling of fermionic alkali atoms to quantum degeneracy : Sub-Doppler cooling of Potassium-40 and Lithium-6 in gray molasses." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066689.

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Ce mémoire décrit la conception, la construction et la caractérisation d'un appareil capable de piéger et refroidir des atomes fermioniques de 6Li et 40K à des températures ultrabasses. L'étude des mélanges des gazes de Fermi dégénérés ouvre la porte vers la création des nouveaux systèmes quantiques à N corps. Nous présentons une nouvelle technique de refroidissement laser capable de refroidir simultanément 6Li et 40K à des températures sub-doppler basée sur un schéma de molasses grises fonctionnant sur la transition atomique D1. Cette stratégie améliore la densité dans le espace des phases de

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23

Witherow, Rebecca A. "Minor Alkaline Earth Element and Alkali Metal Behavior in Closed-Basin Lakes." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250628213.

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24

Silva, Domingos Jorge Ferreira da [UNESP]. "Estudo dos efeitos do nitrato de lítio na expansão de argamassas sujeitas a reação álcali-sílica." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/91469.

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Made available in DSpace on 2014-06-11T19:25:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-10-29Bitstream added on 2014-06-13T19:12:01Z : No. of bitstreams: 1 silva_djf_me_ilha.pdf: 2179863 bytes, checksum: 355cf90186323e4d66dfc92b04ecf1cc (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Várias pesquisas realizadas com compostos a base de lítio tem mostrado resultados satisfatórios na redução da expansão associada à reação álcali-sílica (RAS), mas ainda existem muitas dúvidas sobre seus mecanismos de ação. A presente pesquisa avaliou os efeitos de

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25

Pagot, G. "Electrode and electrolyte materials for the development of high voltage lithium-ion batteries and secondary batteries based on alkali and alkaline-earth ions." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3426843.

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The research activity described in this thesis has been focused on the development and study of novel electrolyte and electrode materials for application in Lithium and Magnesium secondary batteries. The proposed materials belong to the “beyond Li-ion” class of compounds, where systems exceeding the energy density values of classic Li-ion batteries or completely innovative chemistries are presented. Three different classes of electrolytes have been prepared and studied. A solid polymer electrolyte has been obtained by a lithium functionalization of a poly(vinyl alcohol-co-vinyl acetate), form

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26

CÂNDIDO, Wilson Ferreira. "Estudo de tratamentos com lítio no combate da reação álcali-agregado." Universidade Federal de Goiás, 2009. http://repositorio.bc.ufg.br/tede/handle/tde/1350.

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Made available in DSpace on 2014-07-29T15:18:25Z (GMT). No. of bitstreams: 1 Dissertacao Wilson Ferreira Candido.pdf: 2264036 bytes, checksum: d614010b4bb54f817843654b05263106 (MD5) Previous issue date: 2009-09-11<br>The alkali-aggregate reaction (AAR) is one of the deterioration processes of concrete that most affects the structures of hydroelectric plants, concrete dams and bridges. In recent years, the efficiency of lithium based compounds to mitigate RAA has been proven in both the prevention and repair of the affected structures. With regards to treatment, the main challenge nowadays is

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27

Ravard, Alain. "Déracémisation par protonation et élimination énantiosélectives." Rouen, 1990. http://www.theses.fr/1990ROUES017.

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La déracémisation par protonation énantiosélective a permis la synthèse d'α-aminoacides optiquement enrichis et notamment de la phénylglycine. Nous avons optimisé les paramètres physiques de cette réaction afin d'en améliorer la sélectivité. Nous avons pu ainsi faire progresser l'excès énantiomérique de 57% dans le cas du N-paraméthoxybenzylidène phénylglycinate de méthyle à 70% avec un bien meilleur rendement chimique (95%). Dans une deuxième partie, nous avons appliqué le principe de la déracémisation aux acides t-Bu et Me-4 cyclohexylidène acétiques porteurs d'une chiralité axiale. Une élim

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28

Denys, Goument Colombe. "Dicétones-1,4 thiosubstituées." Rouen, 1988. http://www.theses.fr/1988ROUES023.

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29

Dulieu, Olivier. "Etude des systemes atomiques a deux electrons externes par la methode de fonction d'onde correlee de pluvinage : application a l'etude des ions alcalins negatifs." Paris 6, 1987. http://www.theses.fr/1987PA066350.

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Par cette methode, etude detaillee des etats excites et autoionisants de l'atome me; comparaison aux donnees experimentales et a des calculs par d'autres methodes. Extension de la methode de l'analyse a des systemes a deux electrons externes : li**(-), na**(-), k**(-)

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30

Dagoneau, Christelle. "Chimie des nitrones : application à la synthèse de composés bio-actifs." Université Joseph Fourier (Grenoble), 2001. http://www.theses.fr/2001GRE10102.

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Ce travail de these porte sur l'elaboration de methodes d'acces aux -aminoesters ,-satures et ,-dihydroxyles, a partir de nitrones. L'addition nucleophile de 3-lithiopropiolates d'alkyle sur ces dernieres constitue la reaction-clef des differentes strategies employees. Au cours de ce travail, nous avons mis au point une methode de synthese rapide et efficace de -aminoesters. L'application de cette strategie de synthese a la nitrone derivee du (s)-glyceraldehyde a permis d'acceder de facon stereoselective au (s)-vigabatrin, compose actif du sabril, medicament largement utilise dans la preventio

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31

Ayed, Othman. "Etude des interactions entre atomes alcalins (li, na, k) et monoxyde de carbone en matrices de gaz rares : analyse en spectroscopie vibrationnelle et calcul quantiques de quelques complexes." Paris 6, 1987. http://www.theses.fr/1987PA066117.

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Dans le cas de li(le plus reactif), identification de li(co)::(n), ou n = 1,2,3,4,(ou 6), avec des frequences de vibration de valence de co plus perturbees que pour les metaux de transition carbonyle,et de li::(m) co, ou m = 2,3, avec frequences nu (co) abaissees. Pour na et k, observation d'especes de haute stoechiometrie (c::(n)o::(n))**(2-) (m**(+))::(2) ou n = 2,3,4, formees apres irradiation uv-visible et correspondant a des transformations chimiques. Essai d'interpretation de ces differences de reactivite par une description quantique des agregats de plus basse stoechiometrie : dans le c

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32

PETIT, YVES. "Synthese d'hydroxy-2 esters enantiomeriquement purs a partir d'amino-2 acide : etude stereochimique de l'addition 1,4 d'organometalliques sur des systemes insatures-2,3 hydroxy-4." Paris 6, 1987. http://www.theses.fr/1987PA066578.

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33

Ghribi, Abdellaziz. "Utilisation des organocuivreux, associés ou non à un acide de lewis, en synthèse asymétrique et dans la préparation des beta-cétophosphonates." Nancy 1, 1986. http://www.theses.fr/1986NAN10059.

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L'action des organocuprates associés à BF::(3) sur des acétals chiraux constitue une voie très originale de synthèse des alcools secondaires optiquement actifs. Les dianons des acides diethylphono 2 alcoiques réagissent avec les aldéhydes par réaction de wittig-horner et conduisent très stéréosélectivement aux acides alpha éthyléniques trisubstitués. L'action des organocuprates sur les chlorures d'acide diethylphosphono-2 alcanoïques, constitue une voie de synthèse très générale des beta cétiogisogibates alpha substitués

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34

Sun, Yun Chang, and 孫允昌. "A Study of Inhibiting Effects for Lithium Compounds on Alkali Aggregrate Reaction." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/50405078248604312951.

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碩士<br>國立臺灣海洋大學<br>河海工程學系<br>96<br>In this study, addition of lithium compounds to restrain the alkali-silica-aggregate reaction (ASAR) of concrete. Various lithium compounds were added, and the expansion percentage, compressive strength, bending strength and tensile strength are examined to see the efficiency of the lithium compounds on retraining the ASAR. Results show that adding lithium compounds can restrain the ASAR and lower the expansion percentage. Increasing amounts of lithium compounds can decrease the effects of ASAR. For mechanical properties, the results depend on what kind of

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35

Chen, Te-kang, and 陳德剛. "The borone alkyl-based as an additive to electrolyte solution on LiFePO4 cathode material for lithium-ion batteries." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/18801767429332540311.

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碩士<br>國立臺南大學<br>材料科學系碩士班<br>96<br>LiFePO4 is one of the novel cathode materials for lithium ion batteries. It has various advantages including high power capability, excellent cycling performance and low cost, but LiFePO4 material shows poorly electrical conductivity and cycle fading quickly at high temperature. Herein, this report has investigated a boron alkyl-based compound as an electrolyte additive. These results show an obvious improvement of high temperature cycle performance for LiFePO4 cathode material duo to a special SEI film formed on electrode surface. Boron alkyl-based additive i

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36

Volgmann, Kai, Vanessa Werth, Suliman Nakhal, Martin Lerch, Thomas Bredow, and Paul Heitjans. "Solid-State NMR Study of Alkali Ion Dynamics in Layered Na2Ti3O7 and Li2Ti3O7." 2017. https://ul.qucosa.de/id/qucosa%3A31627.

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37

Pagot, G. "Electrode and Electrolyte Materials for the Development of High Voltage Lithium-ion Batteries and Secondary Batteries Based on Alkali and Alkaline-earth Ions." Doctoral thesis, 2018. http://hdl.handle.net/11577/3356369.

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38

Das, Suman. "Synthesis and Investigations of a Few Anode Materials for Alkali-based Rechargeable Batteries." Thesis, 2017. https://etd.iisc.ac.in/handle/2005/4272.

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The present Thesis explores a few novel anode materials for both lithium-ion and sodium-ion rechargeable batteries. A series of layered metal titanium niobates have been synthesised and their electrochemical energy storage properties, ion transport, and reaction mechanisms are studied in detail. Alkali-titanium niobates such as Li-Ti-niobate (and it’s sodium counterpart) store lithium (sodium) via the conventional intercalation mechanism. Detailed experimental and theoretical investigations reveal interesting and non trivial ion transport, which are found to be strongly correlated to the elect

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39

Markus, Reid Patrick. "An investigation of means of mitigating alkali-silica reaction in hardened concrete." 2013. http://hdl.handle.net/2152/22350.

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This research project, funded by the Federal Highway Administration (FHWA Project DTFH61-02-C-0097), focuses mainly on alkali-silica reaction (ASR) and techniques to mitigate the effects of alkali-silica reaction in hardened concrete. A large portion of this report discusses the construction and design of an outdoor exposure site built at the University of Texas at Austin where the goal was to cast field representative concrete elements with laboratory precision and expose them to real environmental conditions. The elements were monitored for expansion and deterioration. At discrete expansi

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40

George, Sweta Mariam. "Exploring Soft Matter and Modified-Liquid Electrolytes for Alkali metal (Li, Na) Based Rechargeable Batteries." Thesis, 2022. https://etd.iisc.ac.in/handle/2005/5913.

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The current upsurge in demand for high energy density batteries for applications across industries ranging from small scale portable electronics, electric automobiles to storage grids, has led to research in next generation, beyond lithium -ion batteries. Alkali metals like lithium and sodium, by virtue of their high theoretical capacity (3860 mAhg-1 for Li and 1165 mAhg-1 for Na) and low electrochemical potentials, are most suitable anodes for producing high energy density batteries. The vigorous reactivity, unstable solid-electrolyte interface and dendrite formation are some of the major hur

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41

"The Synthesis and Characterization of Ionic Liquids for Alkali-Metal Batteries and a Novel Electrolyte for Non-Humidified Fuel Cells." Doctoral diss., 2014. http://hdl.handle.net/2286/R.I.27420.

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abstract: This thesis focused on physicochemical and electrochemical projects directed towards two electrolyte types: 1) class of ionic liquids serving as electrolytes in the catholyte for alkali-metal ion conduction in batteries and 2) gel membrane for proton conduction in fuel cells; where overall aims were encouraged by the U.S. Department of Energy. Large-scale, sodium-ion batteries are seen as global solutions to providing undisrupted electricity from sustainable, but power-fluctuating, energy production in the near future. Foreseen ideal advantages are lower cost without sacrifice o

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Resendez, Yadhira Aracely. "Monitoring of an outdoor exposure site : evaluating different treatment methods for mitigation of alkali-silica reactivity in hardened concrete." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-05-3606.

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This research project, funded by the Federal Highway Administration, entails the construction of an outdoor exposure site in order to evaluate various methods for mitigating alkali-silica reaction (ASR) in hardened concrete. The exposure site, built at the Concrete Durability Center at the University of Texas at Austin J.J. Pickle Research campus, included a series of bridge deck, column and slab elements. The specimens were cast in 2008, allowed to expand to predetermined expansion levels and then treated with various mitigation measures, after which the specimens were monitored for expansion

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HSIAO, FU-CHIN, and 蕭富今. "(1)The mechanism study of the reaction of (E)-3-Phenyl-1-[(phenylsulfonyl)imino]-2-propene with alkyl lithium (2)The Synthesis and Chemistry of 7-Substituted Bicyclo[4.1.0]hept-1(7)-enes." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/59654467214080950712.

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碩士<br>輔仁大學<br>化學系<br>91<br>Abstract (1) When (E)-3-phenyl-1-[(phenylsulfonyl)imino]-2-propene(1) was treated with 2 equivalent methyl lithium(MeLi),five compounds-2, 3, 4, 5, and 6 were isolated. The formation of products 3 and 6 were studied. Compound 2 was treated with 2 equivalent MeLi to produce dianion 25.Dianion 25 underwent intramolecular reaction and reacted with water and deprotonation to generate anion 26 follwed by ring opening and proton absorption to form compound 3. The formation of 6 is via carbanion exchange from methyl carbanion to

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Lin, Che-Tseng, and 林哲增. "1. Multifunctional Co-poly(amic acid) containing Pyrenyl and Carboxylic Acid as a new Binder for Si-based Micro-Composite Anode of Lithium-Ion Battery2. Synthesis and Characterization of Polymers with Alkyl Main Chain Pendent Bipolar Unit as Host Applications in Electroluminescent Light-Emitting Diodes." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/522bhh.

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博士<br>國立臺灣大學<br>高分子科學與工程學研究所<br>105<br>There are two subjects in this study. One is the multifunctional co-poly(amic acid) (PAmA) containing pyrene and carboxylic acid side chains that is developed as a binder in the recycled kerf-loss Si-Ni-SiC composite for anode of lithium-ion batteries (LIB). The other is to develop the three polymeric hosts with bipolar abilities, the bipolar function are as pendant group in polystrene (PS) side chain and application in electroluminescent polymer light-emitting device (PLED). Chapter 1 was introduced principle, development, and review of active materials

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Das, Dipankar. "High Precision Optical Frequency Metrology." Thesis, 2007. https://etd.iisc.ac.in/handle/2005/569.

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Precise measurements of both absolute frequencies and small frequency differences of atomic energy levels have played an important role in the development of physics. For example, high precision measurements of absolute frequencies of the 2S½ → 2P ½ transition (D1 line) of alkali atoms form an important link in the measurement of the fine structure constant, α. Similarly, precise interferometric measurements of the local gravitational acceleration (g) rely on the knowledge of the absolute frequencies of the 2S½ → 2P 3/2 transition (D2line) in alkali atoms. Difference frequency measurements

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Das, Dipankar. "High Precision Optical Frequency Metrology." Thesis, 2007. http://hdl.handle.net/2005/569.

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Precise measurements of both absolute frequencies and small frequency differences of atomic energy levels have played an important role in the development of physics. For example, high precision measurements of absolute frequencies of the 2S½ → 2P ½ transition (D1 line) of alkali atoms form an important link in the measurement of the fine structure constant, α. Similarly, precise interferometric measurements of the local gravitational acceleration (g) rely on the knowledge of the absolute frequencies of the 2S½ → 2P 3/2 transition (D2line) in alkali atoms. Difference frequency measurements

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Shojaei, Heydar. "Die Iromycine und das Collinolacton: Synthese mikrobieller Naturstoffe aus Streptomyces sp." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-0006-AC9A-9.

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