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Дисертації з теми "Tracer injection"

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1

Broermann, James 1962. "Analysis of data from tracer injection experiments at Stanton Artificial Recharge Facility, Stanton, Texas." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/278024.

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Concentration breakthrough data collected by the USGS at Stanton, Texas during tracer injection tests of the Ogallala aquifer are simulated using an approximate and an exact analytical solution of conservative solute transport in a radial flow field from an injection well. Data were collected at selected depths in the aquifer and at fully screened observation wells. The concentration breakthrough data were simulated with the analytical solutions by finding the values of hydraulic conductivity and dispersivity which provided the best fit of the data. The exact analytical solution is the appropr
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2

Maier, Friedrich [Verfasser], Tobias [Akademischer Betreuer] Licha, and Martin [Akademischer Betreuer] Sauter. "Improved tracer techniques for georeservoir applications : Artificial tracer examination identifying experimentally relevant properties and potential metrics for the joint application of hydrolysis tracer and heat injection experiments / Friedrich Maier. Gutachter: Tobias Licha ; Martin Sauter. Betreuer: Tobias Licha." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2015. http://d-nb.info/1065882483/34.

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3

Louk, Andrew Kyle. "Monitoring for Enhanced Gas and Liquids Recovery from a CO2 'Huff-and-Puff' Injection Test in a Horizontal Chattanooga Shale Well." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/73806.

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Анотація:
Permanently sequestering carbon dioxide (CO2) in gas-bearing shale formations is beneficial in that it can mitigate greenhouse gas emissions as well as enhance gas recovery in production wells. This is possible due to the sorption properties of the organic material within shales and their greater affinity for CO2 over methane. The phenomenon of preferentially adsorbing CO2 while desorbing methane has been proven in coalbed reservoirs successfully, and is feasible for shale formations. The objective of this thesis is to explore the potential for enhanced gas recovery from gas-bearing shale f
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4

Karmakar, Shyamal [Verfasser], Martin [Akademischer Betreuer] [Gutachter] Sauter, Iulia [Gutachter] Ghergut, and Gunter [Gutachter] Buntebarth. "Single-well tracer push-pull method development for subsurface process characterization : Early-time tracer injection-flowback test for stimulated fracture characterization, numerical simulation uses and efficiency for flow and solute transport / Shyamal Karmakar ; Gutachter: Martin Sauter, Iulia Ghergut, Gunter Buntebarth ; Betreuer: Martin Sauter." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://d-nb.info/1121302815/34.

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5

CHIVATA, Nilson Yecid Bautista. "Simulação numérica da equação de advecção-dispersão-reação para um traçador em meios porosos heterogêneos e anisotrópicos por um método de volumes finitos, utilizando malhas poligonais." Universidade Federal de Pernambuco, 2016. https://repositorio.ufpe.br/handle/123456789/19634.

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6

Samuelsson, Jörgen. "Development of Methods for Phase System Characterization in Liquid Chromatography." Doctoral thesis, Uppsala universitet, Ytbioteknik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8597.

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The aim of this thesis is first and foremost to improve the fundamental knowledge of nonlinear and preparative separation theory by focusing on some of the remaining “white spots” on the theoretical chromatographic map. Secondly, the acquired knowledge is used to develop, validate and execute new methods for phase characterization in liquid chromatography. The methodology used in this thesis is a combination of experiments, fundamental nonlinear theory and systematic computer simulations. A fundamental knowledge of the molecular interactions between the compounds to be separated and the separa
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7

Anam, Onditi Ouma. "Gas diffusion-flow injection interfaces for mass spectrometric and electrochemical detectors." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/28323.

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Анотація:
Isotope tracer techniques are widely used in biological, agricultural, chemical and medical research. The use of stable isotopes is not complicated by health hazards, dangers of radiation or time limit for experiments as is the case for radioactive isotopes. However, the analytical methods available for the determination of stable isotopes are much less sensitive, considerably more complicated and time consuming than those for radioactive isotopes. Such methods usually require the use of a mass spectrometer and most employ the combustion technique (Dumas method) for sample presentation. Specia
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8

Dangolle, Champa D. P. "Some aspects of trace analysis of metals." Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318885.

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9

Fernandez, Maria Luz Mena. "Field sampling and flow injection strategies for trace analysis and element speciation." Thesis, Sheffield Hallam University, 1997. http://shura.shu.ac.uk/19646/.

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Анотація:
Over the last two decades research has shown that the different forms of trace elements in the environment can cause a variety of health concerns as a result of differences in toxicity. The need to establish efficient, effective and reliable speciation methods has become paramount. A basic aim of this work has been to advance speciation measurement capability for key trace elements (mercury, lead and chromium) by devising an integrated analytical approach that links the sample collection, sample preservation and laboratory measurements in an unified manner. An introductory chapter first review
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10

Kirchhoff, Alissa A. "The effect of a supplemental trace mineral injection on developing beef bull and heifer reproduction." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/20367.

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Анотація:
Master of Science<br>Department of Animal Sciences and Industry<br>Karol E. Fike<br>Trace mineral supplementation is necessary for proper reproductive success. Little research has evaluated the effect of an injectable trace mineral product, in conjunction with a dietary mineral supplementation program, on reproduction. This thesis includes two separate studies evaluating the use of an injectable trace mineral product, in addition to a dietary mineral program, on the reproductive success of yearling bulls and heifers. In the first study, we hypothesized that when dietary trace mineral needs are
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11

Svršek, Michal. "Instalace vstřikovacího systému na traktorový motor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231698.

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Анотація:
The aim of this work is to design the installation of a new injection system to the existing tractor engines and construct new components necessary for proper function of the injection. In the following section is suggesting the location of other accessories for engine control. This is an injection system with a pressure reservoir "Common Rail" and all its components are created in modeling environment PTC Creo 2.0. Designed components are tested for strength and they are subjected to modal analysis.
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12

Gibb, Stuart William. "Trace determination of ammonia and methylamines by flow injection extraction : ion chromatography in estuarine and marine environments." Thesis, University of East Anglia, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240848.

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13

Nickson, Robert Anthony. "In-situ preconcentration of trace metals in natural waters and brines with analysis by flow injection atomic spectrometry." Thesis, University of Plymouth, 1998. http://hdl.handle.net/10026.1/2091.

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Анотація:
Atomic spectrometric techniques such as ICP-MS offer exceptional sensitivity and multi-element capability for trace metal analysis but the formation of polyatomic ions (particularly below m/z = 80) can cause serious interferences. Such interfering species may be introduced via precursor atoms in atmospheric gases, the sample matrix or impurities in the reagents and gases. There is an environmental need to establish rapid multi-element methods of analysis for trace metals in environmental waters and the subsequent speciation of these trace elements. Natural waters, particularly those with a hig
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14

Ouvrard, Aimeric. "Nouvelles sources lasers à base d'antimoniures pour l'application à l'analyse de traces de gaz dans le domaine spectral 2-2. 5 "µ"m." Montpellier 2, 2005. http://www.theses.fr/2005MON20137.

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15

Ahmed, Mahidi Naji. "Dosimétrie expérimentale et cinétique des traceurs radioactifs pour application humaine : exemple de l'injection thérapeutique du lipiodol marqué à l'iode 131." Lyon 1, 1992. http://www.theses.fr/1992LYO10227.

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Анотація:
Les doses recues par le foie et les poumons, chez 10 patients atteints d'un carcinome hepato-cellulaire, et traites dans les suites d'exerese chirurgicale, par dose therapeutique de lipiodol marque a l'iode 131, ont ete evaluees. Les activites cumulees ont ete obtenues par des series d'acquisitions de mesures faites avec une gamma-camera etalonnee, en vue d'etablir la courbe de fixation et d'etudier la cinetique de lipiodol-i#1#3#1 au niveau du foie sain et tumoral (en determinant la periode effective et biologique). Les calculs de dose sont bases sur la methode de mird. Les resultats obtenus
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16

Misseri, Angela L. "Multi-elemental trace analysis of soils by inductively coupled plasma mass spectrometry using slurry nebulization, flow injection and mixed-gas plasma." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0017/MQ54474.pdf.

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17

Morville, Jérôme. "Injection des cavités optiques de haute finesse par laser à diode : application à la CW-CRDS et à la détection de traces atmosphériques." Université Joseph Fourier (Grenoble), 2001. http://www.theses.fr/2001GRE10092.

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18

Bounaix, Fabrice. "Etude et réalisation d'un spectromètre haute sensibilité à diode laser pour la mesure de traces de gaz : application à la détection de la vapeur d'eau." Grenoble 1, 1993. http://www.theses.fr/1993GRE10018.

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Анотація:
Le suivi des processus industriels, le controle des teneurs en gaz a caractere polluant dans l'atmosphere et l'etude des reactions chimiques requierent des instruments capables de detecter de tres faibles teneurs. La spectrometrie d'absorption infrarouge a diode laser apporte une solution a ce probleme en permettant des sensibilites importantes et des temps de reponse de l'ordre de la minute. Ce memoire presente l'etude et la realisation d'un tel spectrometre pour la detection de faibles teneurs en vapeur d'eau. Celui-ci se caracterise par une source laser a semiconducteur du type ingaasp ayan
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19

Chen, Heidi Haiqing. "Development of flow injection on-line precipitation-dissolution coupled with inductively coupled plasma mass spectrometry for the determination of trace elements in saline water." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ63411.pdf.

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20

Mundell, Lauren Rae. "Effects of pre-partum and post-partum bolus injections of trace minerals on performance of beef cows and calves grazing native range." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/8840.

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Master of Science<br>Department of Animal Sciences and Industry<br>K C Olson<br>Our objective was to evaluate the effects of pre- and post-partum bolus injections of a trace mineral solution on beef cow reproductive performance, body weight (BW) change, and body condition score (BCS) change and on performance of suckling calves. Mature beef cows (n = 460; initial BW = 497 ± 89 kg, initial BCS = 5.4 ± 0.74) were stratified by BCS, parity, and predicted calving date and assigned randomly to 1 of 2 treatments: 1) subcutaneous trace mineral (TM) injection containing 15 mg/mL Cu, 5 mg/mL Se, 10 mg/
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21

Božik, Michal. "Systém common rail pro šestiválcový vznětový motor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231341.

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This thesis deals with the installation of high-pressure common rail injection system for six-cylinder tractor diesel engine. In the first part of the thesis is dismantled issue injection systems and related aspects. The next part is the installation of a fuel injection system, which involves placing components common rail system, the implementation of necessary interventions in engine design and the design of new components. The final section effect control calculations and stress analysis of new injection system components.
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22

Ripert, Marc. "Détermination par intercorrélation et champs de Markov des champs de vitesse en vélocimétrie laser par injection de traceurs fluoresents dans un canal à courant." Toulon, 2001. http://www.theses.fr/2001TOUL0005.

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23

Nguyen, Ba Tong. "Mesures de traces de gaz par spectroscopie d'absorption par diodes lasers accordables. Application à la surveillance de l'environnement." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20201.

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Анотація:
Le besoin d'analyse de gaz à l'état de traces s'est accentué ces dernières années en raison des préoccupations du public et de l'industrie sur des questions telles que le contrôle des émissions de polluants atmosphériques, la surveillance de l'environnement au sens large, la santé et la sécurité au travail. Il est donc nécessaire de posséder des instruments de détection sélectifs, sensibles et capables d'effectuer une mesure directe en temps réel. La fiabilité des systèmes de mesure est également un critère important et, selon l'application envisagée, s'ajoute aussi le besoin de miniaturisatio
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24

Brhel, Štěpán. "Systém common rail pro čtyřválcový vznětový motor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230022.

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Анотація:
This master´s thesis deals with instalation of high pressure injection system Common Rail on four-cylinder tractor CI engine. Thesis introduces in the first part the injection systems of CI and tractor engines and related issues. In the next part is solved the conversion of engine, design of most important components - injetor, high pressure pump, pressure accumulator and high-pressure pipes and then stress analysis of new components.
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25

Birchill, Antony James. "The seasonal cycling and physico-chemical speciation of iron on the Celtic and Hebridean shelf seas." Thesis, University of Plymouth, 2017. http://hdl.handle.net/10026.1/10236.

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Анотація:
Shelf seas represent an important source of iron (Fe) to the open ocean. Additionally, shelf seas are highly productive environments which contribute to atmospheric carbon dioxide drawdown and support large fisheries. The work presented in this thesis describes the seasonal cycle of Fe in the Celtic and Hebridean Shelf Seas, and determines the physico-chemical speciation of Fe supplied from oxic margins. The results from repeated field surveys of the central Celtic Sea showed a nutrient type seasonal cycling of dissolved Fe (< 0.2 µm; dFe), which is surprising in a particle rich shelf system,
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26

Marcano, Brito Francia. "Evaluation des paramètres structuraux des asphaltènes et de leurs effets sur les propriétés physiques et chimiques des bruts." Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3008/document.

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Le but de ce travail est de fournir des informations qui peuvent aider à clarifier le mécanisme par lequel se produit la précipitation d’asphaltènes afin d'optimiser les modèles qui prédisent ce phénomène. Premièrement, la composition chimique des fractions aromatiques et saturées est analysée au regard à la stabilité des asphaltènes dans le brut. Plus précisément, la composition SARA de différents bruts vénézuéliens est corrélée au seuil de floculation des asphaltènes. Nos résultats mettent en évidence que les saturées, semblables aux résines, ont un effet significatif sur la stabilité des as
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27

Maier, Friedrich. "Improved tracer techniques for georeservoir applications." Thesis, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-5D95-9.

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Анотація:
Für eine effiziente und nachhaltige Nutzung von Georeservoiren sind bestmögliche Reservoirmanagementverfahren erforderlich. Oft setzen diese Verfahren auf Tracer-Tests. Dabei enthalten die aufgezeichneten Tracersignale integrale Informationen der Reservoireigenschaften. Tracer-Tests bieten somit eine leistungsfähige Technik zur Charakterisierung und Überwachung der bewirtschafteten Georeservoire. Im Gegensatz zu Tracer-Tests mit konservativen Tracern, welche bereits etablierte Testroutinen zur Verfügung stellen, ist die Verwendung von reaktiven Tracern ein neuer Ansatz. Aufgrund unpassender ph
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28

Giesbrecht, Timothy. "The distribution of aluminum in Beaufort Sea and the development of a sequential injection method for the determination of aluminum in natural waters." Thesis, 2010. http://hdl.handle.net/1828/2680.

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Here we report vertical profiles of dissolved (0.2 um filtered) Aluminum (Al) for eight stations in the Beaufort Sea in the Canadian Arctic, six of which are along a transect extending from the coastal shelf northeast of the Mackenzie River delta out to the Beaufort Sea. Sampling was performed aboard the CCGS Sir Wilfrid Laurier in September 2007 and all analyses were performed in a Class 100 clean space at the University of Victoria. Vertical profiles of dissolved Al in the water column displayed surface maxima, subsurface minima and a general increase in concentration with depth as is chara
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29

Karmakar, Shyamal. "Single-well tracer push-pull method development for subsurface process characterization." Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-002B-7CCD-8.

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30

Huang, Rong-Mao, and 黃榮茂. "Trace element determination studies by flow injection analysis." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/94106087946495498438.

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31

Yourd, Emily Ruth. "Forensic and environmental applications of flow injection separations of trace metals." 2003. https://scholarworks.umass.edu/dissertations/AAI3078729.

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Анотація:
Forensic scientists attempt to solve crimes through examination of the evidence found at crime scenes. By determining the relative concentrations of certain elements present in bullets, a profile of an individual sample can be developed that will allow investigators to match ammunition from a crime scene with that from a known source. The removal of a substantial proportion of the lead matrix is required for the determination of trace elements in bullets by inductively coupled plasma mass spectrometry (ICP-MS). Several flow injection methods for the selective removal of lead from bullets have
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32

Liu, Yu-Huan, and 劉宇桓. "Determination of Trace Lead and Cadmium by Flow Injection Potentiometric Stripping Analysis." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/46561892667194986949.

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33

Liu, Yu Huan, and 劉宇桓. "Determination of Trace Lead and Cadmium by Flow Injection Potentiometric Stripping Analysis." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/07265580529402426600.

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34

Yu-Hsia, Hsu. "TFC: A Tool of Trace, Fault Injection and Crash Rescue for Linux Device Drivers." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0005-1007200620092900.

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35

TSAY, JAW JER, and 蔡兆哲. "Trace Determination of Lead and Cadmium in Urine by Flow Injection - Potentiometric Stripping Analysis." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/14310602255112807563.

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36

Hsu, Yu-Hsia, and 許玉霞. "TFC: A Tool of Trace, Fault Injection and Crash Rescue for Linux Device Drivers." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/19495407785293394079.

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碩士<br>國立中興大學<br>電機工程學系所<br>94<br>This paper presents a new mechanism that enables system to run correctly when device drivers fail. Moreover, the presented tool: TFC uses the kprobes infrastructure to dynamically instrument the kernel applications (driver module) and is confirmed from observed results (tests on the PCI network interface card driver for the Linux operation system) to be helpful to Trace, Fault injection, and Crash rescue for Linux device drivers. With TFC, the system can indeed survive the failure of the device driver. There are several techniques programmers can use to monitor
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37

Fa, Jeng Chueu —., and 鄭春發. "Determination of Trace Tin by Automated Flow Injection - Constant Current Adsorptive Potentiometric Stripping Analysis." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/72968547793296492444.

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38

ZHANG, CHAO-MIN, and 張朝明. "Trace determination of lead and cadmium by flow injection analysis-anodic stripping voltammetry and it's automation." Thesis, 1987. http://ndltd.ncl.edu.tw/handle/22321250976488461496.

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39

Wang, Jun-Shiou, and 王駿修. "The Error Trace, Fault Injection and Crash Rescue Mechanism for The RT2500 Wireless LAN Card Driver." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/28456294142793145700.

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碩士<br>國立中興大學<br>電機工程學系所<br>95<br>Over the past five years, the world has become increasingly mobile. If users must be connected to a network by physical cables, their movement is dramatically reduced. Wireless connectivity, however, poses no such restriction and allows a great deal more free movement on the part of the network user. 802.11 has been a kind of generally ways that connect to Internet, as long as there is an access-point (AP), it will offer users to connect Internet and need to go through the Ethernet again. Wireless network with goodly convenient, so that the utility rate of wir
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40

Nicolidakis, Helen. "The extraction and analysis of dissolved trace metals from seawater using on-line flow injection inductively coupled mass spectrometry." Thesis, 1995. http://hdl.handle.net/2429/7523.

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Анотація:
A method utilizing flow injection (Fl) for on-line preconcentration with inductively coupled plasma mass spectrometry (ICP-MS) detection has been developed for analyzing dissolved zinc, cadmium, nickel, copper, lead, manganese, gallium and niobium in seawater. This method was used to investigate the distributions of these trace metals in the western, central and sub-Arctic North Pacific Ocean. Using on-line Fl methods to replace conventional preconcentration/separation techniques results in significant decreases in sample and reagent volumes and sample work up and analysis time. This
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