Academic literature on the topic 'K Plasma Ratio'

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Journal articles on the topic "K Plasma Ratio"

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Fajda, Oleksandra I., Oleksandr V. Drach, Liliya G. Barylyak, and Walery Zukow. "Relationships between Ca/K plasma ratio and parameters of heart rate variability at patients with diathesis urica." Journal of Education, Health and Sport 6, no. 1 (2016): 295–301. https://doi.org/10.5281/zenodo.45359.

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<strong>Fajda Oleksandra I., Drach Oleksandr V., Barylyak Liliya G., </strong><strong>Zukow W</strong><strong>alery. Relationships between Ca/K plasma ratio and parameters of heart rate variability at patients with diathesis urica. </strong><strong>Journal of Education, Health and Sport. </strong><strong>2016;6(1):295-301. eISSN 2391-8306. DOI</strong> <strong>http://dx.doi.org/10.5281/zenodo.45359</strong> <strong>http://ojs.ukw.edu.pl/index.php/johs/article/view/3368</strong> <strong>https://pbn.nauka.gov.pl/works/710817</strong> &nbsp; &nbsp; &nbsp; <strong>The journal has had 7 points in M
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Adu-Gyamfi, Clement, Dana Savulescu, Lillian Mikhathani, et al. "Plasma Kynurenine-to-Tryptophan Ratio, a Highly Sensitive Blood-Based Diagnostic Tool for Tuberculosis in Pregnant Women Living With Human Immunodeficiency Virus (HIV)." Clinical Infectious Diseases 73, no. 6 (2021): 1027–36. http://dx.doi.org/10.1093/cid/ciab232.

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Abstract Background For pregnant women living with human immunodeficiency virus (HIV), concurrent active tuberculosis (TB) disease increases the risk of maternal mortality and poor pregnancy outcomes. Plasma indoleamine 2,3-dioxygenase (IDO) activity measured by kynurenine-to-tryptophan (K/T) ratio has been proposed as a blood-based TB biomarker. We investigated whether plasma K/T ratio could be used to diagnose active TB among pregnant women with HIV. Methods Using an enzyme-linked immunosorbent assay (ELISA), we measured K/T ratio in 72 pregnant women with and active TB and compared them to
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Avison, M. J., S. R. Gullans, T. Ogino, G. Giebisch, and R. G. Shulman. "Measurement of Na+-K+ coupling ratio of Na+-K+-ATPase in rabbit proximal tubules." American Journal of Physiology-Cell Physiology 253, no. 1 (1987): C126—C136. http://dx.doi.org/10.1152/ajpcell.1987.253.1.c126.

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A combination of 23Na nuclear magnetic resonance (NMR) spectroscopy and a K+-selective electrode was used to make simultaneous measurements of net Na+ and K+ fluxes across plasma membranes of rabbit renal proximal tubules after an abrupt stimulation of Na+-K+-ATPase. After a step in extracellular K+ concentration ([K+]o) from low to higher concentration (0.1-0.3 mM to 0.5-5.2 mM) at 25 degrees C, net extrusion of Na+ and uptake of K+ were observed. These fluxes were completely inhibited by ouabain (10(-3) M). Because initial rates of K+ uptake in presence or absence of Ba2+ (a known inhibitor
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Sadre, M., H. P. Sheng, M. Fiorotto, and B. L. Nichols. "Electrolyte composition changes of chronically K-depleted rats after K loading." Journal of Applied Physiology 63, no. 2 (1987): 765–69. http://dx.doi.org/10.1152/jappl.1987.63.2.765.

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The responses of whole body, skeletal muscle, and plasma to oral K loading were studied in K-depleted male rats. Potassium depletion was induced by feeding the rats a K-deficient diet for 4 wk and injecting deoxycorticosterone acetate during the first week. After 4 wk, the rats were growth retarded and hypokalemic (1.9 mmol/l plasma) and had low whole-body and muscle K content, 188 +/- 27 and 276 +/- 19 mmol/kg fat-free dried tissue (FFDT), respectively, compared with 296 +/- 10 and 454 +/- 13 mmol/kg FFDT for the control group. Sodium and water retention also occurred in the K-deficient group
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Liliane, Simpson-Louredo. "ACTH Level and Sodium-Potassium Ratio in Screening of Primary Canine Hypoadrenocorticism." International Journal of Veterinary Science and Research 3, no. 1 (2017): 023–24. https://doi.org/10.17352/ijvsr.000018.

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This article describes a primary hypoadrenocorticism (HA) case report in a spayed mix-breeded German shepherd ten years old female dog that had unspecifi c symptoms during a week. The initial suspicious were poisoning and after, renal insuffi ciency, since laboratorial exams demonstrated azotemia.In both cases, the treatment were unsuccessfully. After laboratory exams and blood sodium: potassium ratio (Na: K) measure (23:1), the presumptive diagnosis was primary HA, that it was confi rmed by plasma adrenocorticotropic hormone (ACTH) level (280 pg/mL). Although the gold standard test to confirm
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Hong, Jong Woo, Hyun Woo Tak, Young Hun Choi, Hee Jung Kim, Dong Woo Kim, and Geun Young Yeom. "Etch Characteristics of Low-K Materials Using CF3I/C4F8/Ar/O2 Inductively Coupled Plasmas." Science of Advanced Materials 14, no. 7 (2022): 1258–64. http://dx.doi.org/10.1166/sam.2022.4312.

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In this study, pulsed CF3I/C4F8/Ar/O2 inductively coupled plasmas have been studied for low-k etching, and the effects of CF3I addition to C4F8/Ar/O2 on the plasma characteristics and etch characteristics of low-k materials were investigated. The increased ratio of CF3I/(CF3I+C4F8) in the gas mixture increased CF3 radicals while decreasing CF2 radicals in the plasma, and which are related to the etching and polymerization, respectively. Therefore, the etch rates of SiCOH increased with increasing the CF3I ratio. However, the etch selectivity over an amorphous carbon layer and photoresist was t
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Fatah, Kamaran, Anders Hamsten, Birger Blombäck, and Margareta Blombäck. "Fibrin Gel Network Characteristics and Coronary Heart Disease: Relations to Plasma Fibrinogen Concentration, Acute Phase Protein, Serum Lipoproteins and Coronary Atherosclerosis." Thrombosis and Haemostasis 68, no. 02 (1992): 130–35. http://dx.doi.org/10.1055/s-0038-1656337.

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SummaryThe native fibrin gel structure formed in vitro from plasma samples was examined by liquid permeation of the hydrated fibrin gel networks in 18 men who had suffered a myocardial infarction before the age of 45 years and in 20 control subjects. Patients with an elevated plasma fibrinogen concentration had a considerably lower fibrin gel porosity (permeability coefficient, K s) compared with patients with a normal plasma fibrinogen level and with controls. The calculated fiber mass-length ratio of the fibrin gel networks was decreased in both patient groups. Gel porosity differed markedly
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Lee, Jong Woo, Hyoun Woo Kim, Jeong Whan Han, et al. "Plasma Etching for the Application to Low-K Dielectrics Devices." Materials Science Forum 555 (September 2007): 113–18. http://dx.doi.org/10.4028/www.scientific.net/msf.555.113.

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We present a study of the photoresist (PR) etching and the low-k materials damage using a ferrite-core inductively coupled plasma (ICP) etcher, in order to develop an etching process for the low-k dielectric devices. We reveal that the N2/O2 flow ratio and bias power affected the PR etching rate. By Fourier transform infrared spectroscopy and HF dipping test, we investigated the effect of the gas flow ratio and bias power on the amount of etching damage to the low-k material.
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Cinieri, Giacomo, Ghazanfar Mehdi, and Maria Grazia De Giorgi. "Multiscale Modeling of Plasma-Assisted Non-Premixed Microcombustion." Aerospace 11, no. 9 (2024): 697. http://dx.doi.org/10.3390/aerospace11090697.

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This work explores microcombustion technologies enhanced by plasma-assisted combustion, focusing on a novel simulation model for a Y-shaped device with a non-premixed hydrogen-air mixture. The simulation integrates the ZDPlasKin toolbox to determine plasma-produced species concentrations to Particle-In-Cell with Monte Carlo Collision analysis for momentum and power density effects. The study details an FE-DBD plasma actuator operating under a sinusoidal voltage from 150 to 325 V peak-to-peak and a 162.5 V DC bias. At potentials below 250 V, no hydrogen dissociation occurs. The equivalence rati
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Rabinowitz, L., R. L. Sarason, and H. Yamauchi. "Effect of aldosterone on potassium excretion during potassium chloride infusion in sheep." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 249, no. 4 (1985): R455—R461. http://dx.doi.org/10.1152/ajpregu.1985.249.4.r455.

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Experiments were performed on normal mature ewes to quantitate the effect of acute variations in aldosterone activity on renal K excretion. Six-hour clearance studies were performed on three sheep. Treatments were control (no infusion), infusion of KCl (140 meq in 2 h) alone or with superimposed infusions of aldosterone (20 micrograms/h), or infusion of aldosterone antagonist potassium canrenoate (100 mg/h). During KCl infusion there were simultaneous increases in plasma K, K excretion, and Na excretion. Aldosterone treatment diminished the increase in plasma K and in Na excretion but increase
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Dissertations / Theses on the topic "K Plasma Ratio"

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PUGINIER, EMMANUEL ANDRE. "Vers une standardisation encore plus poussee du temps de quick pour surveiller le traitement anticoagulant oral : inr (international normalized ratio) et plasma calibre : a propos d'une etude toulousaine." Toulouse 3, 1988. http://www.theses.fr/1988TOU31249.

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Books on the topic "K Plasma Ratio"

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Zhelezni︠a︡kov, V. V. Izbrannye trudy: K 80-letii︠u︡ so dni︠a︡ rozhdenii︠a︡. IPF RAN, 2010.

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Book chapters on the topic "K Plasma Ratio"

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Aizawa, Tatsuhiko, Tomomi Shiratori, Tomoaki Yoshino, Yohei Suzuki, and Takafumi Komatsu. "Nitrogen Supersaturation of AISI316 Base Stainless Steels at 673 K and 623 K for Hardening and Microstructure Control." In Stainless Steels [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102387.

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The high-density plasma nitriding at 673 K and 623 K was employed to make 10% of nitrogen supersaturation on AISI316 base austenitic stainless steels. The processing parameters and nitrogen-hydrogen gas flow ratio were optimized to increase the yield of N2+ ion and NH-radical for efficient nitriding. The nitrided AISI316 specimens were prepared for multidimensional analysis to describe the fundamental features of low-temperature plasma nitriding. First, macroscopic evaluation revealed that nitrogen supersaturation induced the γ-lattice expansion and the higher nitrogen content than 4% of mass
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Sarafraz, Mohsen, Farid Christo, and Bernard Rolfe. "Green and Sustainable Chemical Looping Plasma Process for Ammonia and Hydrogen Production." In Energy Recovery [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104095.

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The overarching aim of this chapter is to propose a novel clean thermochemical process that harnesses thermal plasma technology to co-produce hydrogen and ammonia using a chemical looping process. The thermodynamic potential and feasibility of the process were demonstrated using a simulation of the system with aluminium and aluminium oxide as the oxygen and nitrogen carriers between the reactors. The effect of different operating parameters, such as feed ratio and temperature of the reactor, on the energetic performance of the process was investigated. Results showed that the nitridation and a
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Singh Jatav, Bheem. "Perspective Chapter: Numerical Simulation to Study Alfvén Waves." In Advancements in Fine Particle Plasmas [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1001433.

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This chapter presents the Alfvén waves self-interaction in approximately zero-β plasma (cold plasma), which is applicable to coronal heating. We consider thermal to magnetic pressure ratio β≈0 (cold plasma). When we consider magnetic field transverse perturbation in approximately zero-β plasma, the model dynamical equation of Alfvén wave self interaction turns out to be the modified Zakharov system equation. Numerical simulation has been carried out to study the effect of Alfvén wave self interaction and transverse perturbation, which results in the formation of magnetic field profile structur
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Becker, Richard C., and Frederick A. Spencer. "Anticoagulants." In Fibrinolytic and Antithrombotic Therapy. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195155648.003.0036.

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Because of the narrow therapeutic index of warfarin and unfractionated heparin (UFH), monitoring their anticoagulant effects is required. On the other hand, lowmolecular- weight heparin (LMWH) and fibrinolytic agents need to be monitored only under certain circumstances. Although newer anticoagulants will not require routine monitoring for dose titration, a means to determine their systemic effects and individual (patient-specific) response to administration will likely have roles in clinical practice. The prothrombin time is used to monitor vitamin K antagonist therapy. This test is sensitive
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Ross, Colin, Jeremy P. Richards, and Ross Sherlock. "Geology, Alteration, and Geochronology of the Cerro Vetas Porphyry Gold-Copper Deposit, Middle Cauca Belt, Colombia." In Tectonomagmatic Influences on Metallogeny and Hydrothermal Ore Deposits: A Tribute to Jeremy P. Richards (Volume II). Society of Economic Geologists, 2021. http://dx.doi.org/10.5382/sp.24.17.

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Abstract The Cerro Vetas porphyry deposit is part of the Titiribi district of the Middle Cauca porphyry-epithermal belt of western Colombia. The Cerro Vetas porphyry stock consists of a premineral diorite intruded by a late-mineral quartz monzonite, with intrusion and contact breccias. These units intrude pre-Cenozoic basement metabasalts and schists, Oligocene-Miocene Amagá Formation sedimentary rocks with intercalated andesite flows. Two phases of potassic alteration are recognized, a biotite-dominant phase in the diorite, and secondary K-feldspar in the quartz-monzonite intrusion. An overpr
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Jiang, Qiu-Xing, and Felix Chin. "Lipid Metabolic Defects and Lipid-Dependent Gating of Voltage-Gated Ion Channels." In Fatty Acids - From Biosynthesis to Human Health. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.107173.

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Eukaryotic cells contain phospholipids and nonphospholipids. The latter lack phosphodiester groups in their head group regions. Lipid-dependent gating of voltage-gated ion channels represents a steady-state energetic effect of nonphospholipids in favoring the resting state of voltage-sensor domains (VSDs) of the channels. It suggests adaptation of ion channels to lipid compositions in their native niche and significant roles of low-to-intermediate affinity lipid-binding sites at the channels. The nonphospholipids include glycoglycerolipids, glycosphingolipids, ceramides, cholesterol or cholest
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Conference papers on the topic "K Plasma Ratio"

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Cerchiara, R. R., H. A. Cook, P. E. Fischione, et al. "Automated Sample Preparation of Low-k Dielectrics for FESEM." In ISTFA 2005. ASM International, 2005. http://dx.doi.org/10.31399/asm.cp.istfa2005p0231.

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Abstract The SiLK resins, composed of aromatic hydrocarbons, are a family of highly cross-linked thermoset polymers with isotropic dielectric properties. Patterning of SiLK for high aspect ratio copper interconnects has depended on reactive ion etching with oxygen/nitrogen gas mixtures. Reactive ion etching is therefore also accomplished with reducing plasmas such as nitrogen/hydrogen. An additional plasma cleaning step can be inserted after the reactive ion etching (RIE) step, so that any residual contamination is removed prior to imaging or final sputter coating. Automated sample preparation
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Dowling, Karen M., Ateeq J. Suria, Yoonjin Won, et al. "Inductive Coupled Plasma Etching of High Aspect Ratio Silicon Carbide Microchannels for Localized Cooling." In ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems collocated with the ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ipack2015-48409.

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High aspect ratio microchannels using high thermal conductivity materials such as silicon carbide (SiC) have recently been explored to locally cool micro-scale power electronics that are prone to on-chip hot spot generation. Analytical and finite element modeling shows that SiC-based microchannels used for localized cooling should have high aspect ratio features (above 8:1) to obtain heat transfer coefficients (300 to 600 kW/m2·K) required to obtain gallium nitride (GaN) device channel temperatures below 100°C. This work presents experimental results of microfabricating high aspect ratio micro
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Wang, Yuhui, and Jialing Le. "HIGH-SPEED IMAGING FOR AN OPTICALLY ACCESSIBLE ROTATING DETONATION ENGINE." In 8TH INTERNATIONAL SYMPOSIUM ON NONEQUILIBRIUM PROCESSES, PLASMA, COMBUSTION, AND ATMOSPHERIC PHENOMENA. TORUS PRESS, 2020. http://dx.doi.org/10.30826/nepcap2018-2-25.

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Nonpremixed rotating detonation waves (RDWs) for ethylene or hydrogen and air sources at room temperatures 283-284 K were obtained in the same hollow combustor. The combustor was optically accessible by embedded a piece of quartz glass in the combustor wall. The hollow combustor channel here had an outer diameter 100 mm. Fuel and air were injected into the combustor from 150 cylindrical orifices of a diameter 0.8 mm axially and a circular channel with a width 1 mm radially, respectively. The detonation speeds for ethylene and air were 1562 or 1389 m/s for the air flow rate 642.35 g/s at an equ
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Redaelli, R., F. Baudo, B. Busnach, et al. "LUPUS ANTICOAGULANT (LA) COEXISTENT WITH TRANSIENT PROTHROMBIN (FII) INHIBITOR: FTI DEFICIENCY DUE TO CLEARANCE OF THE B/MUNOCOMPLEX." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644240.

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23 y.o. man with acute nephritis and bleeding (epistaxis, ecchymosis) at presen-taticn. Family and personal past history negative for bleeding. Laboratory data consistent with SLE. Coagulation tests: FT Ratio (R) 1.8, aPTT R 2.4, FII:C &lt;1%, FIIR:Ag 996, other coagulation factors normal. Tissue thromboplastin inhibition test (TTIT) R 2.8, congenital FII deficiency (696) R 1.6.1. FII survival time (Fll-ccncentrate infusion - 60 U/kg) t1/2: 9 hours.2. FII neutralizing activity (FTI:C normal plasma (NP) + buffer 5996; NP + patient plasna {PtP) 5096): absent.3. Irmunoccrplex formaticn4. FII inhi
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Messerle, V. E., A. B. Ustimenko, N. A. Slavinskaya, and U. Riedel. "Influence of Coal Rank on the Process of Plasma Aided Gasification." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68701.

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This paper describes numerical and experimental investigations of coal gasification in a combined arc-plasma entrained flow gasifier. The experimental installation is intended to operate in the electric power range of 30–100 kW, mass averaged temperature 1800–4000 K, coal dust consumption 3–10 kg·h−1 and gas-oxidant flow 0.5–15 kg·h−1. The numerical experiments were conducted using the PLASMA-COAL computer code. It was designed for computation of the processes in plasma gasifiers. This code is based on a one-dimensional model, which describes the two-phase chemically reacting flow with an inte
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Craig, J. E., R. A. Parker, D. Y. Lee, T. Wakeman, J. Heberlein, and D. Guru. "Particle Temperature and Velocity Measurements by Two-Wavelength Streak Imaging." In ITSC2003, edited by Basil R. Marple and Christian Moreau. ASM International, 2003. http://dx.doi.org/10.31399/asm.cp.itsc2003p1107.

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Abstract A two-wavelength particle imaging sensor has been developed to measure temperature and velocity of individual particles in most thermal spray devices. The sensor provides continuous updates to particle condition profiles, histograms and correlation’s. The software locates particle streaks, determines the intensity ratio and dimensions of each streak, and calculates the particle temperature and velocity. Many forms of advanced materials processing technologies, such as thermal spray, spray-forming and atomization have considerable need of process control sensor technology. These measur
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Jérémie, Fondard, Briois Pascal, Billard Alain, and Bertrand Ghislaine. "Synthesis and characterization of La2NiO4-d coatings deposited by reactive magnetron sputtering using plasma emission monitoring." In 13th International Conference on Plasma Surface Engineering September 10 - 14, 2012, in Garmisch-Partenkirchen, Germany. Linköping University Electronic Press, 2013. http://dx.doi.org/10.3384/wcc2.188-191.

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It is well known that the short life time and the high cost of each component of nowadays Solid Oxide Fuel Cells (SOFC) are induced by their high operating temperature. Many researches focus on the decrease of this operating temperature without reduction of the fuel cell performances (IT-SOFC). Regarding the cathode, one solution is to increase the electrocatalytic properties. Purely electronic conductor perovskite materials (for example LSM: La1-xSrxMnO3) are used in standard SOFC devices. A2MO4+d compounds, with K2NiF4 structure have recently been investigated as substitutes to LSM. Indeed,
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Morks, M. F., Y. Tsunekawa, M. Okumiya, and M. A. Shoeib. "Splat Morphology and Graphite Formation in Plasma-Sprayed Cast Iron." In ITSC2001, edited by Christopher C. Berndt, Khiam A. Khor, and Erich F. Lugscheider. ASM International, 2001. http://dx.doi.org/10.31399/asm.cp.itsc2001p0829.

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Abstract Fundamental aspects of a plasma sprayed cast iron coating on an aluminum alloy substrate are investigated in the present study: focusing on the effects of preheat substrate temperature (TS) and chamber pressure (PC) on the splat morphology, the adhesive strength of splats, the formation of a reaction layer and graphite. Splash-type splats appear at low TS but disk and star-shaped splats arise at high TS. Deformed substrate ridges, mainly due to the slight surface melting, are formed adjacent to the splat periphery at high TS. At low TS, pores are observed at the splat/substrate interf
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Craig, J. E., R. A. Parker, F. S. Biancaniello, S. D. Ridder, and S. P. Mates. "Particle Temperature Measurements by Spectroscopic and Two-Wavelength Streak Imaging." In ITSC 2000, edited by Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p0051.

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Abstract A two-wavelength particle imaging pyrometer has been developed to measure temperature, velocity and size of individual particles within a field of view and a depth of field that spans the entire particle stream in most thermal spray devices. The pyrometer provides continuous updates to particle condition profiles, histograms and correlations. The software locates particle streaks, determines the intensity ratio and dimensions of each streak, and calculates the particle temperature, velocity and size. Many forms of advanced materials processing technologies, such as thermal spray, spra
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McKernan, A., J. M. Thomson, and L. Poller. "THE RELIABILITY OF THE INTERNATIONAL NORMALISED RATIO (INR) DURING SHORT TERM ORAL ANTICOAGULANT TREATMENT." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643260.

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A prospective study has been performed to assess INR values obtained with a variety of thromboplastins during the early days of coumarin treatment. The reagents were BCT/253 (the primary International Reference Preparation), Diagen Activated, Diagen Freeze Dried, Manchester Reagent and Dade Thromboplastin FS. Prothrombin times were performed before the start of treatment and at regular intervals on fifteen patients who were given a slow induction regime. In theory INR should be the same irrespective of the thromboplastin. A wide range of values was however observed with the different thrombopl
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