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Dissertations / Theses on the topic 'Potassium hydrogen'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Zi-you, Li. "Hydrogen and potassium adsorption on tungsten and molybdenum (100) surfaces." Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315048.

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2

Bellamy, Julia Davidson. "The performance of potassium permanganate and hydrogen peroxide oxidation and/or alum coagulation in the removal of complexed FE(II) from drinking water." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09192009-040227/.

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3

Gade, Aravind. "Hydrogen Sulfide as an allosteric modulator of ATP sensitive potassium channels in colonic inflammation." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/2711.

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The ATP sensitive potassium channel (KATP) in mouse colonic smooth muscle cell is a complex containing a pore forming subunit (Kir6.1) and a sulfonyl urea receptor subunit (SUR2B). These channels are responsible for maintaining the cellular excitability of the smooth muscle cell which in turn regulates the motility patterns in the colon. We used whole-cell voltage-clamp techniques to study the alterations in these channels in smooth muscle cells in experimental model of colitis (colonic inflammation). Colitis was induced in BALB/C mice following an intracolonic administration of trinitrobenzen

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4

Ester, Guy R. "An atomic force microscopy study of the crystal growth interface of solution grown potassium hydrogen phthalate." Thesis, University of Bath, 1999. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299809.

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5

Bastien, Samuel. "Selective chemical stripping of titanium aluminum nitride coating from titanium substrate using hydrogen peroxide and potassium oxalate." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110474.

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Titanium Aluminum Nitride (TiAlN) is an important industrial coating that improves hardness and corrosion resistance. The objective of the present work is to develop chemical methods which selectively remove TiAlN coatings deposited on Titanium substrates. The selected stripping solution consists of hydrogen perox¬ide (H2O2) and potassium oxalate (K2C2O4). Coupons of Ti-6-4 coated with a notional 10 micron thick coating of TiAlN were exposed to a stripping solution at varying temperature and compositions. Overall, it was found that increasing the temperature of reaction or the concentration of

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6

Chen, Michael Vincent. "An Electrolytic Method for Tartrate Stabilization in Chardonnay Wine." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1600.

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Tartrate stabilization is the process that removes components that contribute to the crystallization of potassium hydrogen tartrate (KHT) and calcium tartrate (CaT) which is an undesirable outcome for wine quality. There are a variety of current tartrate stabilization techniques such as cold stabilization, chemical additives, ion exchange resins, and electrodialysis that stabilize wine, but the most popular being cold stabilization. Cold stabilization requires high amounts of energy and resources to stabilize wine. With the ever increasing demand for more efficient processing, an alternative t

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7

Jappy, Trevor George. "Compositional dependence of potassium-argon ages and hydrogen and oxygen stable isotopes in hornblendes from Connemara, Western Ireland." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264263.

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8

Ariyakriangkai, Watcharaphong. "Effect of double layer technique on hydrogen peroxide penetration and tooth whitening efficacy." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5407.

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Objectives: To measure the level of hydrogen peroxide penetration into the pulp chamber and to evaluate its whitening efficacy when the tooth is treated with an innovative double layer of potassium nitrate desensitizing agent and hydrogen peroxide whitening gel. Methods: Extracted human molar teeth (n=160) were collected. Roots were trimmed 3 mm apical to the cemento-enamel junction, the pulp was removed and a cavity prepared, leaving a standardized wall of 2 mm thickness, which retained 100 µL of acetate buffer solution. A standardized whitening area of 6 mm in diameter was established buccal

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9

Ha, Junghoon. "Hydrogen Sulfide Regulation of Kir Channels." VCU Scholars Compass, 2017. https://scholarscompass.vcu.edu/etd/5204.

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Inwardly rectifying potassium (Kir) channels establish and regulate the resting membrane potential of excitable cells in the heart, brain and other peripheral tissues. Phosphatidylinositol- 4,5-bisphosphate (PIP2) is a key direct activator of ion channels, including Kir channels. Gasotransmitters, such as carbon monoxide (CO), have been reported to regulate the activity of Kir channels by altering channel-PIP2 interactions. We tested, in a model system, the effects and mechanism of action of another important gasotransmitter, hydrogen sulfide (H2S) thought to play a key role in cellular respon

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10

HE, ZHUOHUI JOE. "Effects of digestate, magnesium sulfate, and dipotassium hydrogen phosphate/potassium dihydrogen phosphate on microalga, Scenedesmus dimorphus." Cleveland State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=csu1478532413386291.

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11

Bajul, Audrey. "Influence des carboxymethylcelluloses sur la cristallisation des sels tartriques dans les solutions hydroalcooliques et les vins." Thesis, Toulouse, INPT, 2018. http://www.theses.fr/2018INPT0048.

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Un problème majeur de l’industrie vinicole est la difficulté à contrôler la cristallisation des sels tartriques. Ce phénomène confère une image négative chez les consommateurs, en particulier pour les vins effervescents dont l’instabilité tartrique provoque le débordement (ou gerbage) de la bouteille. La cristallisation de ces sels ioniques modifie l’équilibre acido-basique des vins qui influence leurs qualités organoleptiques. Parmi les méthodes de contrôle préventif, l’utilisation de carboxyméthylcellulose (CMC) a été autorisée dans les vins depuis 2009. Les CMC sont des polyélectrolytes que

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12

AlShehri, Abdullah. "Effect of innovative double layer treatment on tooth color change and nitrate penetration." Thesis, University of Iowa, 2016. https://ir.uiowa.edu/etd/3039.

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Objectives: Evaluate and assess the effect of an innovative double layer, single application desensitizing/whitening technique on Nitrate penetration and total color change. Methods: Specimens were prepared from extracted caries free human molars (n=160). Teeth were randomly assigned into four groups: 100μl 25% hydrogen peroxide “Philips Zoom chairside” as control group (CTRL), double layer treatment of 20μl 5% potassium nitrate “Relief ACP, Philips oral care” and 100μl 25% hydrogen peroxide (DL20), double layer treatment of 40μl 5% potassium nitrate and 100μl 25% hydrogen peroxide (DL40), and

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13

Brossard, Christophe. "Contribution à l'étude de l'inhibition de la post-combustion : caractérisation aérothermochimique d'une flamme plane basse pression ensemencée en potassium." Rouen, 1995. http://www.theses.fr/1995ROUES054.

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Afin d'étudier le mécanisme d'inhibition de la combustion par le potassium, un brûleur à flamme plane prémélangée basse pression (environ 60 mbar), ensemencée en potassium, a été mis au point. Des calculs de structure de flamme ont montré que l'ajout d'une infime quantité de potasse gazeuse (fraction molaire 10 puissance-3) peut modifier considérablement les profils de température et de concentration des espèces chimiques de flammes H2/CO/CO2/Ar prémélangées. En l'absence d'additif au potassium, le profil de température a été caractérise précisément par une technique optique non-intrusive, la

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14

Quicho, Joemel Mariano. "Efficacy of Ultraviolet Light in Combination with Chemical Preservatives for the Reduction of Escherichia coli in Apple Cider." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/33621.

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Hazard Analysis Critical Control Point (HACCP) regulations for juice manufacture require the application of a process that will result in a 5-log reduction (99.999%) of the pertinent pathogen in the juice being processed. The use of ultraviolet (UV) light, as an alternative to traditional thermal processing, has been adopted by some juice processors as a means of meeting the HACCP 5-log performance standard. However, little research had been performed to determine the effect of UV when used in combination with antimicrobial agents that are commonly added to juice products. Therefore, the obj

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15

Davies, Bethany Ruth. "Hydrothermal Synthesis and Characterization of Fluorescent Carbon-Based Materials Produced by Hydrogen Peroxide Oxidation of Biochar." University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1596977802365916.

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16

Oweis, Shadi. "Cardiotonic Steroids Down-Regulate Sodium Hydrogen Exchanger Expression in the Proximal Tubule Cells." University of Toledo Health Science Campus / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=mco1278521957.

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17

COURANT-DENIARD, SYLVIE. "Les acides phosphatoantimoniques h::(n)sb::(n)p::(2)o::(3n+5),xh::(2)o (n = 1,3,5) : synthese, caracterisation, proprietes d'echange, de conductivite protonique et de catalyse." Nantes, 1988. http://www.theses.fr/1988NANT2002.

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Les acides sont prepares par echange k**(+)-h**(+) a partir des phosphoantimonates de potassium. Les composes correspondant a n=1 et 3 ont une structure en couche alors que le troisieme presente une charpente covalente tridimensionnelle. Pour chacun d'eux, ont ete precisees l'isotherme d'hydratation a 20**(o)c, la variation des parametres de mailles avec l'humidite relative a 20**(o)c et l'evolution de la teneur en eau et des parametres de maille en fonction de la temperature

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18

Agudelo, Castañeda Dayana Milena. "Remoção de sulfeto de hidrogênio, ferro e manganês de águas de abastecimento através dos processos de dessorção gasosa, nanofiltração e oxidação com permanganato de potássio." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/31781.

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Inúmeras regiões brasileiras apresentam problemas qualitativos em seus mananciais de abastecimento, originando dificuldades para a potabilização da água distribuída nas cidades. Geralmente, os consumidores julgam a segurança da água potável que bebem através de seus sentidos organolépticos. Os processos convencionais utilizados nas estações de tratamento de água não são efetivos na remoção de muitos compostos que causam cor, gosto e odor na água. Devido a isto, é comum que as companhias de saneamento recebam reclamações por parte dos consumidores sobre a qualidade da água distribuída. Dentre o

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19

Rejm'ankov'a, Petra. "Etude par diffraction et topographie aux rayons X de monocristaux de LiIO3, de KTiOPO4 et de LiNbO3 sous champ électrique." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10179.

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Nous avons etudie par topographie aux rayons x, en utilisant principalement le rayonnement synchrotron, des monocristaux sous champ electrique tels que la forme alpha de l'iodate de lithium (-liio#3), l'orthophosphate potassium titanyl (ktp=ktiopo#4) et le niobate de lithium (linbo#3). Ces etudes ont ete menees dans le but d'elucider les mecanismes de formation des gradients de distorsion sous champ. Nous avons observe sur les topographies les effets qui se produisent sur les cristaux de -liio#3 et ktp lorsqu'un champ electrique est applique suivant l'axe c. Les resultats nouveaux, surtout les

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20

Lacan, Dominique. "Transports de Na+ entre les cellules de la racine et la sève du xylème." Montpellier 2, 1991. http://www.theses.fr/1991MON20237.

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Comme la plupart des plantes sensibles a nacl, le soja, glycine max l. Merr. (var. Hodgson), limite l'envahissement des feuilles par na#+. Les mecanismes de cette protection ont ete etudies a l'aide d'une methode de perfusion des vaisseaux du xyleme. Cette methode permet l'etude des transports bidirectionnels entre seve et symplasme. En bilan, on observe un echange na#+-k#+ (secretion de k#+ dans la seve, associee a une reabsorption de na#+). Ces transports sont activites par les ph acides et le k#+ externe et sont favorises lorsque la seve contient des anions permeants. Nos resultats suggeren

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21

Martinez, Rémi. "Fonctionnalisation catalytique d'alcènes : de l'utilisation d'organométalliques à l'activation de liaisons carbone-hydrogène." Phd thesis, Paris 6, 2008. http://pastel.archives-ouvertes.fr/pastel-00004624.

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Ce manuscrit présente des développements récents dans le domaine des réactions d'arylation ou d'hydroarylation d'oléfines catalysées par des complexes de métaux de transition (rhodium et ruthénium). L'utilisation des trifluoro(organo)borates de potassium a permis d'effectuer une réaction de Heck catalysée par un complexe de rhodium en l'absence de base et d'oxydant. Ces conditions sont plus douces que celles qui sont généralement décrites dans la littérature et elles pourraient être utilisées pour la synthèse de molécules sensibles aux conditions basiques ou oxydantes. Un nouveau système catal

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22

Loos-Neskovic, Christiane. "Préparations et propriétés de fixation des hexacyanoferrates II de zinc et de nickel." Paris 6, 1986. http://www.theses.fr/1986PA066592.

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Données sur la préparation, la structure et les propriétés de ces composés présentant de nombreuses analogies avec les zéolites. Etudes de l'échange d'ions H**(+) et de la fixation d'éléments ou de polluants (argent, césium, mercure, etc. . ) sur de l'hexacyanoferrate de Zn ou de Ni.

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23

Roustan, Hervé. "Modélisation des transferts couples de charge et de chaleur dans un électrolyseur industriel de production de fluor." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0079.

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Ce travail décrit la conception du modèle numérique du comportement électrique et thermique des cellules industrielles d'électrolyse du fluor de la société comurhex. Le but de cette étude est de déterminer les vecteurs densité de courant, le potentiel électrique et les isothermes dans l'électrolyseur. La modélisation a été conduite pas à pas dans le but de séparer les difficultés. En premier lieu, un modèle électrique de l'électrolyseur a été élaboré. Pour sa mise au point, il a été nécessaire de surmonter de nombreuses difficultés. En particulier, le traitement de la discontinuité du potentie

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24

Lamirault, Sylvie. "Comportement du cuivre dans les melanges hf-mf (m = k ou nh : :(4)) fondus utilises pour l'obtention electrolytique du fluor." Paris 6, 1987. http://www.theses.fr/1987PA066467.

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Etude thermodynamique et cinetique de la corrosion electrochimique dans les melanges hf-mf(m=k ou nh::(4)) du cuivre metal entrant, soit pur, soit sous forme d'alliage (monel) dans la construction des cellules industrielles d'electrolyse. Mise en evidence de la formation d'une couche de fluorure de cuivre passivante. Evaluation de l'epaisseur limite de la couche. Etablissement de l'influence de la densite de courant sur le caractere passivant de la couche formee. Proposition d'un mecanisme de corrosion du cuivre

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25

Wang, Hau Cheng, and 王昊丞. "Portable sensor for hydrogen and potassium." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/02918245398368315376.

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26

Ho, Feng-Chywan, and 何峰全. "Effects of potassium hydrogen phthalate on activated sludge." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/73u5vs.

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碩士<br>國立臺北科技大學<br>化學工程研究所<br>99<br>Activated sludge is a kind of aerobic bioremediation for sewage. The method can remove soluble and colloidal organics which are biodegradable. Meanwhile, it can also take away suspended solids and other matters along with a part of phosphorus and nitrogen compounds. This research attempts to use potassium hydrogen phthalate (KHP) as the organic salt in the wastewater treatment model. Besides, the research also collects 10 kinds of activated sludge combinations to degrade KHP of different concentration in order to study the influences between acclimated and un

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27

Hsu, Shu-Yu, and 許書瑜. "Influences of potassium hydrogen phthalate on desalination of capacitive deionization." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/93qc87.

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碩士<br>國立中央大學<br>環境工程研究所<br>105<br>Capacitive deionization (CDI) is an innovative desalination technology. Organic matter is ubiquitous and plays a significant role in the environment. However, the laboratory mostly uses sodium chloride solution to carry out a preliminary test in the past studies of CDI for desalination. In order to understand whether organic matter interferes the desalination performance of CDI. Therefore, CDI experiments of potassium hydrogen phthalate (KHP), sodium chloride (NaCl) and KHP/NaCl on carbon aerogel were conducted in this study. Three kinetic models (Ritchie, Ho-

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28

Chang, Chih-Han, and 張志翰. "Study of Disposable EGFET-based Hydrogen and Potassium Micro Ion Sensors." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/80039817528782549496.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>98<br>In recent years, as biological information analysis technology rapidly develops in hematology, biochemistry and microbiology areas, demand for portable measurement systems become more and more important. This study makes efforts in developing disposable hydrogen and potassium ion sensor and microsystem for analysis application. The measured ion concentration data by this analysis microsystem provide people a judgement on their health condition, and furthermore an important reference for medical treatment for patients. There are several advantages in using

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Chuang, Wen Yu, and 莊芠羽. "Hafnium dioxide sensing membrane for hydrogen ion, potassium ion and urea detection." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/01586235971060080708.

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碩士<br>長庚大學<br>光電工程研究所<br>98<br>In this study, the hydrogen ion and potassium ion sensing properties of composed hafnium oxide-tungsten oxide (HfxWyOz) sensing membranes by co-sputtering method were investigated. Proposed HfxWyOz sensing membranes can improve the non-ideal effects including light effect and hysteresis effect, and which have the possibility for multiple ions detection. For HfxWyOz sensing membranes, the pH sensitivity, linearity and concentration range are increased with the ratio of HfO2, event the hysteresis effect is decreased；The light effect was decreased with the ratio of

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30

Yang, Zong-Lin, and 楊宗霖. "Application of Biodegradation for the Treatment of Potassium Hydrogen Phthalate in Wastewater." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/28513725999442767403.

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碩士<br>國立臺北科技大學<br>化學工程系碩士班<br>92<br>Various organic synthetic plastics and their derivative have been reported to seriously contaminate natural wastewater and water environments, due to their poor biodegradability and cytotoxicity in living cells. For example, aromatic compounds are frequently persistent pollutants in the wastewater that their benzene ring structures can not be easily degraded by microorganisms. In this work, we chose potassium hydrogen phthalate（KHP）as a model system and studied the culture conditions influencing the biodegradation of various concentrations of KHP in aqueous

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LUO, HONG-JYUN, and 羅弘駿. "The Removal of Potassium Hydrogen Phthalate via Capacitive Deionization Using TiO2/AC Composite Electrode." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/84xmdq.

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碩士<br>國立中央大學<br>環境工程研究所<br>106<br>The sources of organic pollution in the environment mainly include the wastewater from food factories, petrochemicals, pesticides, plastics, dyes, and etc. The impact of organic compounds for environmental, including the decline of dissolved oxygen in aquaculture, difficult to resolve in water and creature, and etc. To prepare of activated carbon electrode to remove organic compound (potassium hydrogen phthalate, KHP) via CDI experiment from aqueous solutions. On the other hand, the influences of flow rate, initial concentration and applied voltage are inves

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32

"Investigation of putative cation binding and subunit assembly sites in the gastric hydrogen,potassium-ATPase." Tulane University, 2001.

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The gastric H+,K+-ATPase is the proton pump responsible for the acidification of the stomach. This protein is structurally defined as a heterodimer composed of a large catalytic subunit (alpha) and a smaller type-two glycoprotein (beta) and is a member of the P2-type ATPase subfamily. Three separate studies were done to investigate the involvement of individual amino acids in K+ dependent function or association between alpha and beta subunits Membrane preparations from HEK 293T cells transiently transfected with the rabbit gastric H+,K+-ATPase show a ouabain insensitive, SCH 28080 sensitive K

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33

Tsai, Wen-Sheng, and 蔡紋勝. "Application of mathematical model for the photocatalytic treatment of Potassium Hydrogen Phthalate in wastewater by UV/TiO2." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/57w38n.

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碩士<br>國立臺北科技大學<br>化學工程研究所<br>96<br>The benzene ring structures of pollutants in wastewater are adamantine and not easily degraded. In this study, potassium hydrogen phthalate (KHP) was then chosen to be a model system. Under the illumination of 360nm UV, the different experimental conditions of the model system, such as pH value, initial concentration of reactant or light intensity were utilized to study KHP degradation aided by TiO2 photocatalyst. The experimental and modeling results showed the best conditions for KHP degradation was at pH 5.5. But Langmuir-Hinshelwood kinetic model could no

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Xie, Xiang-Yun, and 謝祥雲. "Surface treatment of Cu(In,Ga)(S,Se)2 thin film solar cells with potassium and hydrogen." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5693027%22.&searchmode=basic.

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碩士<br>國立中興大學<br>精密工程學系所<br>107<br>Copper indium gallium selenidesulfur (CIGSSe) solar cell is one of the promising absorber materials nowadays because of not only its high conversion efficiency but also the advantages of low-cost and roll-to-roll manufacturing porcesses on the flexible substrate. However, a high conversion efficiency of CIGSSe strongly relies on the interfacial condition between the absorber layer and the buffer layer. For this reason, the effect of surface treatment on the CIGSSe and CIGSe absorber layers is systemically studied. There are two kinds of surface treatments expl

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Oliveira, Cristiana Paula Martins da Silva. "Photodynamic therapy intheinactivation of bacteriophages with porphyrin and potentiators in wastewater." Master's thesis, 2019. http://hdl.handle.net/10773/29245.

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Pathogenic viruses are frequently introduced into marine and estuarine waters through the discharge of treated and untreated sewage, since current treatments are unable to provide virus-free wastewater (WW) effluents, affecting the receiving waters quality and, consequently, human health. The removal of harmful constituents by the conventional treatments comprises a combination of chemical, physical and biological methods. Usually, WW from urban areas is secondarily, rarely tertiary, treated. Although the secondary effluent contains high concentrations of microorganisms, the effect of water di

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D'Adamo, M. C., Lijun Shang, P. Imbrici, S. D. M. Brown, M. Pessia, and S. J. Tucker. "Genetic inactivation of Kcnj16 identifies Kir5.1 as an important determinant of neuronal PCO2/pH sensitivity." 2011. http://hdl.handle.net/10454/5950.

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No<br>The molecular identity of ion channels which confer PCO(2)/pH sensitivity in the brain is unclear. Heteromeric Kir4.1/Kir5.1 channels are highly sensitive to inhibition by intracellular pH and are widely expressed in several brainstem nuclei involved in cardiorespiratory control, including the locus coeruleus. This has therefore led to a proposed role for these channels in neuronal CO(2) chemosensitivity. To examine this, we generated mutant mice lacking the Kir5.1 (Kcnj16) gene. We show that although locus coeruleus neurons from Kcnj16((+/+)) mice rapidly respond to cytoplasmic alkalini

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Dukoff, David. "The Impact of ROS Scavenging on NMDA and AMPA Receptor Whole Cell Currents in Pyramidal Neurons of the Anoxia Tolerant Western Painted Turtle." Thesis, 2013. http://hdl.handle.net/1807/42826.

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Extended periods of oxygen deprivation cause brain death in mammals but the western painted turtle overwinters in anoxic mud for months without damage. Neural protection is achieved through decreases in the whole cell currents of N-methyl-D-aspartate and alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors (NMDAR and AMPAR) that are dependent on a mild increase in intracellular calcium from the mitochondria. The goal of this research was to determine if natural anoxic decreases in reactive oxidative species (ROS) serve as the signal to bring about these changes. Reductions in cel

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