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Journal articles on the topic 'STATIC ATC DETERMINATION'

Author: Grafiati

Published: 11 September 2023

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1

Al Imran, Al Imran. "Penentuan Kapabilitas Transfer Daya Listrik dengan Mempertimbangkan Stabilitas Tegangan Statis Menggunakan L Index." Indonesian Journal of Fundamental Sciences 5, no. 2 (2019): 138. http://dx.doi.org/10.26858/ijfs.v5i2.11116.

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The ATC determination method in this study uses line thermal constraints by calculating reactive power flow, and using Linear Power Transfer Distribution Factor. The ATC determination considers the magnitude of the voltage magnitude and the static voltage stability of each bus after the power transfer simulation is performed. Static voltage stability is calculated using the L Index. The results showed that the transfer of power equal to the ATC value in an electric power system caused a decrease in voltage stability or an increase in the L index value on the receiving bus on average 19 times t

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Comartin, Craig D., Richard W. Niewiarowski, Sigmund A. Freeman, and Fred M. Turner. "Seismic Evaluation and Retrofit of Concrete Buildings: A Practical Overview of the ATC 40 Document." Earthquake Spectra 16, no. 1 (2000): 241–61. http://dx.doi.org/10.1193/1.1586093.

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The Applied Technology Council (ATC), with funding from the California Seismic Safety Commission developed the document, Seismic Evaluation and Retrofit of Concrete Buildings, commonly referred to as ATC 40. This two-volume, 612-page report provides a recommended procedure for the seismic evaluation and retrofit of concrete buildings. Although the focus is specifically on concrete buildings, the document provides information on emerging techniques applicable to most building types. This paper provides an introduction and overview of the document. The conceptual basis of the procedures is perfo

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Sawicki, Antoni. "Diagnostics of Electric Arc versus the Development of Universal Mathematical Models." Biuletyn Instytutu Spawalnictwa, no. 6 (December 2021): 47–57. http://dx.doi.org/10.17729/ebis.2021.6/5.

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The article presents universal mathematical static current-voltage characteristics- based models of electric arc and indicates primary issues concerned with arc diagnostics related to the determination of the above-named models. Particular attention was paid to the experimental determination of AC-powered arc voltage. Diagnostics-related purposes involved the use of bridge systems with one or two sources of current. Computer-aided simulations involving sinusoidal and trapezoidal current-based excitations made it possible to demonstrate the possibility of obtaining minimum values of bridge unba

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Gradinarov, Deyan, Marina Manilova, and Manahil Tongov. "EXPERIMENTAL REMOTE DETERMINATION OF THE STATIC CHARACTERISTIC OF THE ARC IN TIG WELDING." ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 13, 2023): 99–105. http://dx.doi.org/10.17770/etr2023vol3.7203.

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In the conditions of TIG welding, the magnitude of the current is set, but not the voltage of the arc. To determine the arc voltage at a set current, arc length, type of electrode, sharpening angle and others, it is necessary to know the static characteristics of the welding arc. This dependence facilitates the use of simulation modelling methods of welding processes. In the proposed study, the static characteristics of the welding arc in TIG process with 4 types of electrodes were determined experimentally. The magnitude of the current was set in the range of 20 to 200A and the arc voltage wa

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Lepak, Alexander J., Karen Marchillo, Jaimie VanHecker, and David R. Andes. "Posaconazole Pharmacodynamic Target Determination against Wild-Type andCyp51Mutant Isolates of Aspergillus fumigatus in anIn VivoModel of Invasive Pulmonary Aspergillosis." Antimicrobial Agents and Chemotherapy 57, no. 1 (2012): 579–85. http://dx.doi.org/10.1128/aac.01279-12.

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ABSTRACTInvasive pulmonary aspergillosis (IPA) is a devastating disease of immunocompromised patients. Pharmacodynamic (PD) examination of antifungal drug therapy in IPA is one strategy that may improve outcomes. The current study explored the PD target of posaconazole in an immunocompromised murine model of IPA against 10A. fumigatusisolates, including 4Cyp51wild-type isolates and 6 isolates carryingCyp51mutations conferring azole resistance. The posaconazole MIC range was 0.25 to 8 mg/liter. Following infection, mice were given 0.156 to 160 mg/kg of body weight of oral posaconazole daily for

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Ju, Jia Qi, Zhong Hang Wu, Zhen Liu Chen, et al. "Coating Quartz Arc Tube with Polycrystalline Alumina for High Intensity Discharge Lamps." Advanced Materials Research 718-720 (July 2013): 219–22. http://dx.doi.org/10.4028/www.scientific.net/amr.718-720.219.

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This research developed and optimized the methods for simultaneous determination of tetracycline (TCs), macrolide (MLs) and sulfonamide (SAs) antibiotics in soils using accelerated solvent extraction (ASE)- solid-phase extraction (SPE)-high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS). Methanol-citric acid (pH=4.7) was used as extraction solvent, diatomite (washed by EDTA) was used as dispersing agent. Firstly, soil was extracted by ASE with the parameter conditions: pressure 1500 psi, temperature 70°C, static 10 min, 1 circle, then pre-concentration by SPE and follo

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Lee, Christopher M., Gordon A. Watson, and Dennis D. Leavitt. "Dynamic collimator optimization compared with fixed collimator angle in arc-based stereotactic radiotherapy: a dosimetric analysis." Neurosurgical Focus 19, no. 1 (2005): 1–5. http://dx.doi.org/10.3171/foc.2005.19.1.13.

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Object The purpose of this study was to determine the effect of static and dynamic collimator optimization when using a micromultileaf collimator (mMLC) in dynamic-arc stereotactic radiosurgery (SRS) by evaluating the dose to healthy peritumoral tissue. Methods Thirty patients previously treated for intracranial lesions with the BrainLAB mMLC underwent retrospective replanning. Three collimator optimization strategies were compared for a simulated SRS treatment plan, as follows: Strategy 1, static collimation fixed at 90° throughout arcs; Strategy 2, static collimator settings optimized for ea

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Slávik, Richard, Alena Struhárová, and Miroslav Čekon. "Reliability Study of Equilibrium Moisture Content Methods for Sorption/Desorption Isotherms Determination of Autoclaved Aerated Concrete." Applied Sciences 11, no. 2 (2021): 824. http://dx.doi.org/10.3390/app11020824.

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Autoclaved aerated concrete (AAC) and its hygric parameters are a highly important issue in the field of building physics. There are several methods currently available to determine the equilibrium moisture content of building materials. Beside the conventional ones, new methods are constantly being introduced. This study explores the sorption/desorption properties of of three types of commercially produced AACs with three different bulk densities and demonstrates the application of the relevant methods available to characterize these parameters. The reliable characterization of the studied ma

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Lepak, Alexander J., Karen Marchillo, Jamie VanHecker, and David R. Andes. "Isavuconazole (BAL4815) Pharmacodynamic Target Determination in anIn VivoMurine Model of Invasive Pulmonary Aspergillosis against Wild-Type andcyp51Mutant Isolates of Aspergillus fumigatus." Antimicrobial Agents and Chemotherapy 57, no. 12 (2013): 6284–89. http://dx.doi.org/10.1128/aac.01355-13.

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ABSTRACTInvasive pulmonary aspergillosis (IPA) continues to rise in concert with increasing numbers of immune suppression techniques to treat other medical conditions and transplantation. Despite these advances, morbidity and mortality rates remain unacceptably high. One strategy used to optimize outcomes is antifungal pharmacodynamic (PD) examination. We explored the pharmacodynamics of a new triazole in development, isavuconazole, in a murine neutropenic IPA model. TenA. fumigatusisolates were used, including four wild-type isolates and sixcyp51mutants. The MIC range was 0.125 to 8 mg/liter.

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Kablov, E. N., A. V. Grinevich, A. V. Slavin, et al. "Design characteristics of the strength of VKS-9M and 300M steels." Industrial laboratory. Diagnostics of materials 88, no. 3 (2022): 51–60. http://dx.doi.org/10.26896/1028-6861-2022-88-3-51-60.

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The mechanical properties of square section (up to 350 mm) forgings made of domestic steel VKS-9M (obtained by the duplex process of vacuum induction melting plus vacuum arc remelting) are studied. The mechanical properties of steel VKS-9M and American high-strength structural steel 300M are compared in terms of the calculated characteristics of materials. We extend the concept of «design characteristics of materials» to all the mechanical properties of materials used in determination of the strength and durability of structures. The design characteristics of materials include the strength cha

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Zaragoza, Oscar, Ana C. Mesa-Arango, Alicia Gómez-López, Leticia Bernal-Martínez, Juan Luis Rodríguez-Tudela, and Manuel Cuenca-Estrella. "Process Analysis of Variables for Standardization of Antifungal Susceptibility Testing of Nonfermentative Yeasts." Antimicrobial Agents and Chemotherapy 55, no. 4 (2011): 1563–70. http://dx.doi.org/10.1128/aac.01631-10.

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ABSTRACTNonfermentative yeasts, such asCryptococcusspp., have emerged as fungal pathogens during the last few years. However, standard methods to measure their antifungal susceptibility (antifungal susceptibility testing [AST]) are not completely reliable due to the impaired growth of these yeasts in standard media. In this work, we have compared the growth kinetics and the antifungal susceptibilities of representative species of nonfermentative yeasts such asCryptococcus neoformans,Cryptococcus gattii,Cryptococcus albidus,Rhodotorulaspp.,Yarrowia lipolytica,Geotrichumspp., andTrichosporonspp.

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Yaghoubshahi, M., E. Asadi, and S. J. Fariborz. "A higher-order shell model applied to shells with mixed boundary conditions." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 225, no. 2 (2010): 292–303. http://dx.doi.org/10.1243/09544062jmes2050.

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By means of the principle of virtual work, the governing equations together with the required boundary conditions of a higher-order shear deformation theory are formulated for the analysis of laminated shells under static loads. A system of 31 first-order partial differential equations is performed for the determination of stress resultants and displacement components. These equations are then solved numerically, utilizing the generalized differential quadrature method for two isotropic cylindrical panels with equal arc length but different radii having S2-type simply supported boundary condit

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Suyono, Hadi, Rini Nur Hasanah, and Paramita Dwi Putri Pranyata. "Optimization of the Thyristor Controlled Phase Shifting Transformer using PSO Algorithm." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 5472. http://dx.doi.org/10.11591/ijece.v8i6.pp5472-5483.

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The increase of power system demand leads to the change in voltage profile, reliability requirement and system robustness against disturbance. The voltage profile can be improved by providing a source of reactive power through the addition of new power plants, capacitor banks, or implementation of Flexible AC Transmission System (FACTS) devices such as Static VAR Compensator (SVC), Unified Power Flow Control (UPFC), Thyristor Controlled Series Capacitor (TCSC), Thyristor Controlled Phase Shifting Transformer (TCPST), and many others. Determination of optimal location and sizing of device injec

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Bayazitov, Ildar, Rustem Galimzyanov, Vjacheslav Medvedev, and Mikhail Petrov. "Features of calculations for arc quenching reactors with non-magnetic gaps in core of magnetic circuit." E3S Web of Conferences 288 (2021): 01035. http://dx.doi.org/10.1051/e3sconf/202128801035.

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This article presents the results of comparative studies of existing methods to calculate the inductance of dynamic and static single-phase reactors of arc extinguishing by double-rod and armored magnetic circuits with non-magnetic gaps in terms of the geometric parameters of the device. There are proposed expressions to correct the determination of the effective area of the winding of reactors by the shunting magnetic flux. On the basis of numerical calculations, the significant influence of the correct calculation of the effective area of the reactor winding by the shunt magnetic flux on the

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Lu, Yiqiang, Mingzhong Gao, Bin Yu, and Cong Li. "The dynamic asymmetric fracture test and determination of the dynamic fracture toughness of large-diameter cracked rock specimens." Thermal Science 23, Suppl. 3 (2019): 897–905. http://dx.doi.org/10.2298/tsci180312125l.

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We propose large-diameter (160 mm) pre-cracked chevron notched Brazilian disc (P-CCNBD) specimens were used to study the asymmetric fracture law and determine the dynamic fracture toughness of rock. Specimens were diametrically impacted by a split Hopkinson pressure bar. The dynamic fracture failure process of each specimen was monitored by crack propagation gauges and strain gauges. Each of the large-diameter P-CCNBD specimens was found to exhibit prominent asymmetric fracture under impact load. The stress equilibrium condition cannot be satisfied. The dynamic fracture toughness values of the

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Hassel, Thomas, and Torben Carstensen. "Properties and anisotropy behaviour of a nickel base alloy material produced by robot-based wire and arc additive manufacturing." Welding in the World 64, no. 11 (2020): 1921–31. http://dx.doi.org/10.1007/s40194-020-00971-7.

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Abstract In order to produce three-dimensional components from metals, a wide variety of processes exist. Laser processes combined with metal powders are frequently used and developed. Restrictive factors are the machine-related small workspace, the machinery costs and the material portfolio, which place the technology in the area of high-performance components. Wire and arc additive manufacturing (WAAM), as a robust and economical welding process technology in combination with robot applications, represents an option to become more size-independent and provides variability in the range of mat

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Ferguson, Glenn E., Roy J. Eidelson, and Philip H. Witt. "New Jersey's Sex Offender Risk Assessment Scale: Preliminary Validity Data." Journal of Psychiatry & Law 26, no. 3 (1998): 327–49. http://dx.doi.org/10.1177/009318539802600303.

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The Registrant Risk Assessment Scale (RRAS) was developed to aid New Jersey law enforcement representatives in assigning convicted sex offenders to risk tier classifications. The three risk tier classifications (low, moderate, and high risk) are linked to corresponding levels of community notification. The present study examined the scores of 574 adult males convicted of sex offenses in New Jersey on the seven RRAS items that assess static indicators of recidivism risk. Based on sentencing decisions, the sample included three groups of offenders: probationers, state prisoners, and those assign

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Mavridou, Eleftheria, Ria J. B. Melchers, Anita C. H. A. M. van Mil, E. Mangin, Mary R. Motyl та Johan W. Mouton. "Pharmacodynamics of Imipenem in Combination with β-Lactamase Inhibitor MK7655 in a Murine Thigh Model". Antimicrobial Agents and Chemotherapy 59, № 2 (2014): 790–95. http://dx.doi.org/10.1128/aac.03706-14.

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ABSTRACTMK7655 is a newly developed beta-lactamase inhibitor of class A and class C carbapenemases. Pharmacokinetics (PK) of imipenem-cilastatin (IMP/C) and MK7655 were determined for intraperitoneal doses of 4 mg/kg to 128 mg/kg of body weight. MIC and pharmacodynamics (PD) studies of MK7655 were performed against several beta-lactamase producingPseudomonas aeruginosaandKlebsiella pneumoniaestrains to determine its effectin vitroandin vivo. Neutropenic mice were infected in each thigh 2 h before treatment with an inoculum of approximately 5 × 106CFU. They were treated with IMP/C alone (every

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Vlasenko, I. V., and T. V. T. V. Shevchenko. "Increasing the combat readiness and fighting capacity of police officers to act in extreme situations." Law and Safety 86, no. 3 (2022): 116–27. http://dx.doi.org/10.32631/pb.2022.3.10.

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The high level of injuries and the number of cases of death of law enforcement officers, especially in extreme situations, require constant and in-depth research in the field of improving the professional abilities of law enforcement officers. There is also no doubt about the practical significance, all units of the National Police from the stage of professional selection to the system of professional training need improvement and a systematic approach to increasing combat readiness and fighting capacity, qualitative changes in the system of professional training. Unfortunately, not every poli

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Odenholt, Inga, Elisabeth Löwdin, and Otto Cars. "Pharmacodynamics of Telithromycin In Vitro against Respiratory Tract Pathogens." Antimicrobial Agents and Chemotherapy 45, no. 1 (2001): 23–29. http://dx.doi.org/10.1128/aac.45.1.23-29.2001.

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ABSTRACT Telithromycin (HMR 3647) is a new ketolide that belongs to a new class of semisynthetic 14-membered-ring macrolides which have expanded activity against multidrug-resistant gram-positive bacteria. The aim of the present study was to investigate different basic pharmacodynamic properties of this new compound. The following studies of telithromycin were performed: (i) studies of the rate and extent of killing of respiratory tract pathogens with different susceptibilities to erythromycin and penicillin exposed to a fixed concentration that corresponds to a dose of 800 mg in humans, (ii)

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Vass, Gábor, Zsófia Bere, Diána Szabó, and László Rovó. "A középarc lágy részeinek nasolabialis függesztése: új, minimálinvazív és reverzibilis módszer az arc statikus szimmetrizálására végleges arcidegbénulásban." Orvosi Hetilap 160, no. 22 (2019): 869–72. http://dx.doi.org/10.1556/650.2019.31344.

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Abstract: Introduction: For the treatment of asymmetry of the midface due to permanent peripheral facial nerve palsy of different etiologies – which means a great psychical burden for the patients – several surgical solutions have been described. Aim: Our goal was to elaborate a minimally invasive surgical technique, that, on one hand, restores an adequate nasolabial fold, which is the most determinative keystone of facial symmetry. On the other hand, our technique can give an appropriate lift for the malar fat pad with shorter operative time and burden, with much lower complication rate and s

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Marshall, J. T., M. E. F. Kasarda, and J. Imlach. "A Multipoint Measurement Technique for the Enhancement of Force Measurement With Active Magnetic Bearings." Journal of Engineering for Gas Turbines and Power 125, no. 1 (2002): 90–94. http://dx.doi.org/10.1115/1.1519268.

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Active magnetic bearings (AMBs) have the unique capability to act concurrently as support bearings and load cells for measuring shaft forces. Current state-of-the-art methods for force measurement rely on models with limited accuracy due to effects which are difficult to characterize such as fringing, leakage, and variations in material properties. In addition, these effects may be a function of actual air gaps which are difficult to determine in a dynamic operating environment. This paper discusses a new force measurement methodology that inherently accounts for these types of effects and oth

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Shentsova, E. S., L. I. Lytkina, I. A. Saranov, and K. K. Polyansky. "Assessment of sorption properties of sorbent based on silicon dioxide." Proceedings of the Voronezh State University of Engineering Technologies 81, no. 1 (2019): 269–75. http://dx.doi.org/10.20914/2310-1202-2019-1-269-275.

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Effective sorbents are used to address the issues of improving food safety. The economic feasibility of cleaning increases when using food production wastes as sorbents. With the help of modern methods were studied the composition and properties of the sorbent ADC obtained from rice husk. Sorbent is a type of pyrogenic silica. With the help of modern methods for assessing the quality of substances, the chemical composition and morphological features of the surface of the sorbent were studied. In addition, the static exchange capacity for various pollutants was investigated. It is established t

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Górka, J. "Assessment of the quality of abrasion-resistant plates welded joint." Journal of Mining and Metallurgy, Section B: Metallurgy 56, no. 2 (2020): 209–20. http://dx.doi.org/10.2298/jmmb190515010g.

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The article presents the analysis of the structure and properties of joints made of abrasion-resistant plates having the structure of chromium cast iron and welded with filler metals, the use of which aimed to provide the high abrasion resistance of the surface layer and good mechanical properties of the base material. The face layer of the joint was made using the MMA (Manual Metal Arc) welding method and the Fe-Cr-Nb-B type nanocrystalline filler metal. The root weld was welded using an austenitic filler metal, whereas the filling layer was welded using the MAG method with a low-alloy filler

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Apple, Fred S., Karen Schulz, Christian W. Schmidt, Trees S. Y. van Domburg, Judith M. Fonville, and Femke K. de Theije. "Determination of sex-specific 99th percentile upper reference limits for a point of care high sensitivity cardiac troponin I assay." Clinical Chemistry and Laboratory Medicine (CCLM) 59, no. 9 (2021): 1574–78. http://dx.doi.org/10.1515/cclm-2021-0262.

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Abstract Objectives High sensitivity (hs) cardiac troponin (cTn) assays are defined per the IFCC Committee on Clinical Application of Cardiac Biomarker (C-CB) by the ability to measure ≥ 50% of concentrations greater than the limit of detection (LoD) with an impression of ≤10% at sex-specific 99th percentiles. Our study determined the sex-specific 99th percentile upper reference limits for males and females utilizing heparinized plasma from AACC universal sample bank for the Siemens point of care (POC) Atellica® VTLi hs-cTnI immunoassay. Methods Apparently healthy subjects, included overall 69

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Veselovskaya, Natalia, Oleksandr Malakov, Elvira Manzhos, and Olena Hnatyuk. "TEST PLANNING OF SERVICEABILITY OF FLEXIBLE PRODUCTION SYSTEMS EQUIPMENT CONSIDERING PLANNING AND MONITORING OF AGRICULTURAL EQUIPMENT." Vibrations in engineering and technology, no. 3(98) (October 30, 2020): 65–75. http://dx.doi.org/10.37128/2306-8744-2020-3-7.

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The article discusses the main problems and features of test planning of serviceability of flexible production systems (FPS) equipment, taking into account all possible factors. The basic dependencies of repair and verification at variable operating modes have been monitored and possibl1e ranges of system existence depending on internal factors and changes in working time, environmental characteristics and factors affected the system have been derived. As the result of the analysis, mathematical modeling and determination of critical conditions of existence of the system have been carried out.

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Егоров, С. В., and С. В. Сафонов. "DEVELOPMENT OF PROCESSES AND DETERMINATION OF PARAMETERS OF QUALITY ASSEMBLY IN THE ROUTE OF ELEMENTS OF EXTRA-THIN-WALLED CONDUIT OF AVIATION TRANSPORT." ВЕСТНИК ВОРОНЕЖСКОГО ГОСУДАРСТВЕННОГО ТЕХНИЧЕСКОГО УНИВЕРСИТЕТА, no. 1 (March 10, 2023): 113–19. http://dx.doi.org/10.36622/vstu.2023.19.1.017.

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представлены результаты научно-исследовательских и опытно-конструкторских работ по разработке способов и оборудования, обеспечивающих подготовку элементов особотонкостенного трубопровода к их сборке в трассу. Созданы экспериментальная установка и рабочая оснастка для калибровки кольцевых стыков тонкостенных труб методами «раздача» или «обжатие» многосекторным инструментом, обеспечивающая отклонение наружного диаметра конца труб под автоматическую сварку кольцевых стыков не более ±0,15 мм от номинального размера. Экспериментально проверена теоретическая зависимость по определению критического д

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Gatta, G. Diego, Alessandro Guastoni, Paolo Lotti, Giorgio Guastella, Oscar Fabelo, and Maria Teresa Fernandez-Diaz. "A multi-methodological study of kernite, a mineral commodity of boron." American Mineralogist 105, no. 9 (2020): 1424–31. http://dx.doi.org/10.2138/am-2020-7433.

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Abstract Kernite, ideally Na2B4O6(OH)2∙3H2O, is a major constituent of borate deposits and one of the most important mineral commodities of B. The chemical composition and crystal structure of kernite from the Kramer Deposit (Kern County, California) were investigated by a suite of analytical techniques (i.e., titrimetric determination of B content, gravimetric method for Na, ion selective electrode for F, high-T mass loss for H2O content, inductively coupled plasma atomic emission spectroscopy for REE and other minor elements, elemental analysis for C, N, and H contents) and single-crystal X-

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Shevchuk, Yulia V. "SEMANTICS OF THE MOTION IN ANNA AKHMATOVA’S LYRICS IN THE FIRST HALF OF THE 1910s." Vestnik slavianskikh kul’tur [Bulletin of Slavic Cultures] 58 (2020): 189–202. http://dx.doi.org/10.37816/2073-9567-2020-58-189-202.

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The paper suggests new interpretations of the meaning and structure of Anna Akhmatova’s early lyrics, in which “the moment of truth” for the heroine comes as if beyond consciousness, during movement and direct contemplation of the world. Free moving of a lyrical “self” by land and water either precedes the romance or provides a specific signal of a heroine’s spiritual rebirth afterwards. Thus, Akhmatova literally “goes beyond” usual woman’s poetic experience of love and separation: the heroine feels guilty about her earthly love; at the moment of a breakup she learns more about the pains of cr

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Shah, Dhaval B., Kaushik M. Patel, and Ruchik D. Trivedi. "Analyzing Hertzian contact stress developed in a double row spherical roller bearing and its effect on fatigue life." Industrial Lubrication and Tribology 68, no. 3 (2016): 361–68. http://dx.doi.org/10.1108/ilt-06-2015-0082.

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Purpose The purpose of this paper is to describe a method permitting the creation of a realistic model of spherical roller bearing with the aim of determining contact stress and fatigue life based on dynamic loading conditions. The paper also aims to recognize the effect of tolerance values on contact stress and fatigue life. Motion and load transmission in spherical roller bearing occurs within the assembly by elliptical curved contacting surfaces. The stress produced by the transmitted load would be very high because of least contacting area between these surfaces. Design/methodology/approac

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Momeni, Ehsan, Ramli Nazir, Danial Jahed Armaghani, and Harnedi Maizir. "Application of Artificial Neural Network for Predicting Shaft and Tip Resistances of Concrete Piles." Earth Sciences Research Journal 19, no. 1 (2015): 85–93. http://dx.doi.org/10.15446/esrj.v19n1.38712.

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<p class="MsoNormal" style="text-align: justify; line-height: 200%;">Axial bearing capacity (ABC) of piles is usually determined by static load test (SLT). However, conducting SLT is costly and time-consuming. High strain dynamic pile testing (HSDPT) which is provided by pile driving analyzer (PDA) is a more recent approach for predicting the ABC of piles. In comparison to SLT, PDA test is quick and economical. Implementing feed forward back-propagation artificial neural network (ANN) for solving geotechnical problems has recently gained attention mainly due to its ability in finding com

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Markov, D. P. "Tribology of rail bogie." Vestnik of the Railway Research Institute 77, no. 4 (2018): 230–40. http://dx.doi.org/10.21780/2223-9731-2018-77-4-230-240.

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Railway bogie is the basic element that determines the force, kinematic, power and other parameters of the rolling stock, and its movement in the railway track has not been studied enough. Classical calculation of the kinematic and dynamic parameters of the bogie's motion with the determination of the position of its center of rotation, the instantaneous axes of rotation of wheelsets, the magnitudes and directions of all forces present a difficult problem even in quasi-static theory. The paper shows a simplified method that allows one to explain, within the limits of one article, the main kine

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Teslitska, Halyna Illivna. "Scientific and theoretical fundamentals of the onomasiological parameters study of adjectives as a part of speech word-class." Vìsnik Marìupolʹsʹkogo deržavnogo unìversitetu. Serìâ: Fìlologìâ 14, no. 24 (2021): 157–62. http://dx.doi.org/10.34079/2226-3055-2021-14-24-157-162.

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The article focuses on the study of the phenomenon of syntactic complication of a simple sentence structure by semi-predicative adjectival components (traditionally known as detached participle and verbal adverb phrases) with the inherent potential predicativeness. The scientific relevance of the investigation is predetermined by a general tendency of modern linguistic studies towards the problems of semantic syntax, and by the attempt to elaborate a semantic theory of a sentence with regard to the central place of syntax in grammar, asymmetry of a language sign, deep categories of sentence. T

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Ataei Kachouei, Matin, Farzaneh Hekmat, Saeed Shahrokhian, and Husnu Unalan. "Commercial Screen-Printed Electrode Decorated with Carbonaceous Binary Sulfides for Direct Glucose Detection in Human Fluid Samples." ECS Meeting Abstracts MA2022-01, no. 52 (2022): 2159. http://dx.doi.org/10.1149/ma2022-01522159mtgabs.

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We hereby demonstrate a highly controllable, green, and rapid synthesis strategy for the production of binary metal sulfides on carbon nano-horns (CNHs) for the fabrication of non-enzymatic glucose sensor using commercial graphite screen-printed electrodes (GSPEs). CNHs were synthesized using the submerged arc discharge method as described elsewhere. In the next step, one droplet (50 µL) of the well-dispersed CNHs was carefully cast on the surface of the GCE (and GSPE). In the final step of preparing the modified electrodes, CNH/GCEs were covered by a thin layer of nickel cobalt sulfide by a s

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Garde, Adam A., and Feiko Kalsbeek. "Colophon, contents, preface." Geological Survey of Denmark and Greenland (GEUS) Bulletin 11 (December 5, 2006): 1–7. http://dx.doi.org/10.34194/geusb.v11.4913.

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The present volume marks the completion of a large research project by the Geological Survey of Denmark and Greenland (GEUS), focused on the northern part of the Palaeoproterozoic Nagssugtoqidian orogen of central West Greenland, and carried out by a team of Danish and international participants. The project comprised geological mapping as well as structural, geochronological, geochemical and economic geological studies. This volume contains reports on both Archaean and Palaeoproterozoic geology as well as a study of neotectonic brittle structures. The field work was carried out in 2000-2003 i

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S., NIRANJANI, and VENKATACHALAM K. "SPECTROPHOTOMETRIC DETERMINATION OF ATORVASTATIN CALCIUM AND PITAVASTATIN CALCIUM THROUGH ION-PAIR COMPLEX FORMATION USING ACID DYES IN PHARMACEUTICAL FORMULATIONS AND HUMAN URINE SAMPLES." International Journal of Applied Pharmaceutics, October 5, 2019, 171–80. http://dx.doi.org/10.22159/ijap.2019v11i6.35246.

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Objective: The main objective was to develop simple, cost-effective, rapid and selective spectrophotometric methods for the determination of atorvastatin calcium and pitavastatin calcium in pure and pharmaceutical formulations using acid dyes like bromothymol blue, bromocresol purple and bromocresol green and also in human urine samples. Methods: The developed methods were based on the formation of ion-pair complexes between statin drugs and acid dyes after studying the optimization conditions. The association constants of the developed ion-pair complexes were evaluated using Benesi–Hild

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Cariveau, Tom, Katelyn Hunt, Halley Robbins, and Alexandria R. Brown. "Preference for Alternative Communication Modality Based on Reinforcer Quality and Availability." Behavior Modification, February 4, 2021, 014544552199230. http://dx.doi.org/10.1177/0145445521992308.

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Preference for augmentative or alternative communication (AAC) systems has received growing interest in work with individuals with developmental disabilities. An individual may choose a modality based on technological (e.g., auditory-output) or aesthetic features of a system; however, it is ideal that functional features (i.e., effectiveness in producing a reinforcer) affect preference to a much greater extent. Prior research has treated preference as a static variable and may commonly report a lack of preference for a modality or control by irrelevant features of the assessment (e.g., positio

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Bhattiprolu, Udbhau, Patricia Davies, and Anil K. Bajaj. "Static and Dynamic Response of Beams on Nonlinear Viscoelastic Unilateral Foundations: A Multimode Approach." Journal of Vibration and Acoustics 136, no. 3 (2014). http://dx.doi.org/10.1115/1.4026435.

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Nonlinear viscoelastic behavior is a characteristic of many engineering materials including flexible polyurethane foam, yet it is difficult to develop dynamic models of systems that include these materials and are able to predict system behavior over a wide range of excitations. This research is focused on a specific example system in the form of a pinned-pinned beam interacting with a viscoelastic foundation. Two cases are considered: (1) the beam and the foundation are glued so that they are always in contact and the foundation can undergo both tension and compression, and (2) the beam is no

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Zhou, Yu-Feng, Meng-Ting Tao, Yu-Zhang He, Jian Sun, Ya-Hong Liu, and Xiao-Ping Liao. "In Vivo Bioluminescent Monitoring of Therapeutic Efficacy and Pharmacodynamic Target Assessment of Antofloxacin against Escherichia coli in a Neutropenic Murine Thigh Infection Model." Antimicrobial Agents and Chemotherapy 62, no. 1 (2017). http://dx.doi.org/10.1128/aac.01281-17.

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ABSTRACT Antimicrobial resistance among uropathogens has increased the rates of infection-related morbidity and mortality. Antofloxacin is a novel fluoroquinolone with broad-spectrum antibacterial activity against urinary Gram-negative bacilli, such as Escherichia coli. This study monitored the in vivo efficacy of antofloxacin using bioluminescent imaging and determined pharmacokinetic (PK)/pharmacodynamic (PD) targets against E. coli isolates in a neutropenic murine thigh infection model. The PK properties were determined after subcutaneous administration of antofloxacin at 2.5, 10, 40, and 1

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Genestet, Charlotte, Florence Ader, Catherine Pichat, Gérard Lina, Oana Dumitrescu, and Sylvain Goutelle. "Assessing the Combined Antibacterial Effect of Isoniazid and Rifampin on Four Mycobacterium tuberculosis Strains Using In Vitro Experiments and Response-Surface Modeling." Antimicrobial Agents and Chemotherapy 62, no. 1 (2017). http://dx.doi.org/10.1128/aac.01413-17.

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ABSTRACT While isoniazid and rifampin have been the cornerstone of tuberculosis therapy caused by drug-susceptible Mycobacterium tuberculosis for more than 40 years, their combined action has never been thoroughly assessed by modern quantitative pharmacology approaches. The aims of this work were to perform in vitro experiments and mathematical modeling of the antibacterial effect of isoniazid and rifampin alone and in combination against various strains of Mycobacterium tuberculosis. After MIC determination of H37Rv and three strains belonging to the Beijing, Euro-American, and Indo-Oceanic l

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I. Blessing, Ikharo, Matthew N. Ono, and Olaniyi Saheed S. "Re-Establishment and Maintenance of Geodetic Networks in Parts of Oyo State Using Modern Techniques." International Journal of Scientific Research in Science and Technology, August 1, 2019, 167–83. http://dx.doi.org/10.32628/ijsrst196435.

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Oyo state like most of the other states in the Nigeria has an old and conventional Geodetic Network. This network was established and computed using the conventional method of position determination and the science of navigation in the 1930- 1950's which is based on the 30th arc-meridian of the Clarke 1880 modified ellipsoid with its origin at L40 Minna datum. This does not satisfy the overgrowing mapping requirements of the state and as well as other Geo-related information requirements. The required data were acquired with GNSS receivers set up on each of the existing points in static mode.

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Tang, Longjiang, Jungang Wang, Bobin Cui, Huizhong Zhu, Maorong Ge, and Harald Schuh. "Multi-GNSS precise point positioning with predicted orbits and clocks." GPS Solutions 27, no. 4 (2023). http://dx.doi.org/10.1007/s10291-023-01499-1.

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AbstractGlobal Navigation Satellite Systems (GNSS) Real-time Precise Point Positioning (RT-PPP) strongly relies on the precise satellite orbits and clocks, especially the latter requires high update rate, e.g., five seconds, due to its limited prediction accuracy. Such a high-rate update frequency is a burden to both the data analysis and communicating, and interruption in communicating is almost unavoidable. For the new constellations such as Galileo and BDS-3 with high-stability hydrogen clocks onboard, it is possible to predict satellite clocks to a longer arc. Moreover, recent developments

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Childs, Dara, and Joel Harris. "Static Performance Characteristics and Rotordynamic Coefficients for a Four-Pad Ball-in-Socket Tilting Pad Journal Bearing." Journal of Engineering for Gas Turbines and Power 131, no. 6 (2009). http://dx.doi.org/10.1115/1.3098376.

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Static performance characteristics and rotordynamic coefficients were experimentally determined for a four-pad, ball-in-socket, tilting-pad journal bearing in load-between-pad configuration. Measured static characteristics include journal static equilibrium position, estimated power loss, and trailing-edge pad temperatures. Rotordynamic coefficients were determined from curve-fits of measured complex dynamic-stiffness coefficients as a function of the excitation frequency. Aside from the cross-coupled damping coefficients, a frequency-independent [M]-[C]-[K] model did a good job of fitting the

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Alphonse, Sébastien, Imane Djemil, Andrea Piserchio, and Ranajeet Ghose. "Structural basis for the recognition of the bacterial tyrosine kinase Wzc by its cognate tyrosine phosphatase Wzb." Proceedings of the National Academy of Sciences 119, no. 26 (2022). http://dx.doi.org/10.1073/pnas.2201800119.

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Bacterial tyrosine kinases (BY-kinases) comprise a family of protein tyrosine kinases that are structurally distinct from their functional counterparts in eukaryotes and are highly conserved across the bacterial kingdom. BY-kinases act in concert with their counteracting phosphatases to regulate a variety of cellular processes, most notably the synthesis and export of polysaccharides involved in biofilm and capsule biogenesis. Biochemical data suggest that BY-kinase function involves the cyclic assembly and disassembly of oligomeric states coupled to the overall phosphorylation levels of a C-t

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"High-Speed Wave-Piercing Catamaran Global Loads Determined by FEA and Sea Trials." International Journal of Maritime Engineering 161, A2 (2019). http://dx.doi.org/10.3940/rina.ijme.2019.a2.522.

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Wave-piercing catamaran hull forms are widely used for high-speed ferry applications due to the hull slenderness, suitable for achieving high speeds. The global loads acting on these craft are of great interest as there is limited knowledge on determining the magnitude of the loads, in particular when operating in random sea conditions. Longitudinal and transverse bending moments as well as pitch connecting moments and hull torsion loads act on the hull simultaneously. This paper investigates the estimation of these global loads from full-scale catamaran sea trials strain gauge data using fini

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Almallah, I., J. Lavroff, D. S. Holloway, and M. R. Davis. "HIGH-SPEED WAVE-PIERCING CATAMARAN GLOBAL LOADS DETERMINED BY FEA AND SEA TRIALS." International Journal of Maritime Engineering 161, A2 (2021). http://dx.doi.org/10.5750/ijme.v161ia2.1086.

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Wave-piercing catamaran hull forms are widely used for high-speed ferry applications due to the hull slenderness, suitable for achieving high speeds. The global loads acting on these craft are of great interest as there is limited knowledge on determining the magnitude of the loads, in particular when operating in random sea conditions. Longitudinal and transverse bending moments as well as pitch connecting moments and hull torsion loads act on the hull simultaneously. This paper investigates the estimation of these global loads from full-scale catamaran sea trials strain gauge data using fini

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Mansoor, Neelum, Fatima Meraj, Ameerah Shaikh, and Naeem Jabbar. "Spectrum of hemoglobinopathies with hematological and biochemical profile: A five year experience from a tertiary care hospital." Pakistan Journal of Medical Sciences 38, no. 8 (2022). http://dx.doi.org/10.12669/pjms.38.8.5935.

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Background & Objective: Determination of hemoglobinopathies is significant for epidemiological studies. There is a need to identify burden of hemoglobinopathies at national level to lay down the foundation of appropriate screening and prevention programs. The present study aimed to evaluate the spectrum of hemoglobinopathies along with hematological and biochemical parameters in a tertiary care hospital. Methods: This retrospective study included results of high performance liquid chromatography (HPLC) test from July 2015 - May 2020 in the department of Hematology, Indus Hospital and

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Diehl, Heath. "Performing (in) the Grave." M/C Journal 4, no. 3 (2001). http://dx.doi.org/10.5204/mcj.1910.

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The following essay constitutes a theoretical journey through the landscape of the NAMES Project AIDS Quilt, one narrated from the perspective of those who live on to mourn, to remember. To some critics, my approach might at once appear radical or unorthodox since I focus on how Quilt spectators engage with the artifact and are thereby implicated in the history of the epidemic, rather than on how the dead are made to speak from beyond the grave. My intent is not to invalidate the claims made or the conclusions reached by other critics who have written persuasively about how the Quilt facilitat

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Raj, Senthorun. "Impacting on Intimacy: Negotiating the Marriage Equality Debate." M/C Journal 14, no. 6 (2011). http://dx.doi.org/10.5204/mcj.350.

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Introduction How do we measure intimacy? What are its impacts on our social, political and personal lives? Can we claim a politics to our intimate lives that escapes the normative confines of archaic institutions, while making social justice claims for relationship recognition? Negotiating some of these disparate questions requires us to think more broadly in contemporary public debates on equality and relationship recognition. Specifically, by outlining the impacts of the popular "gay marriage" debate, this paper examines the impacts of queer theory in association with public policy and commu

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Loess, Nicholas. "Augmentation and Improvisation." M/C Journal 16, no. 6 (2013). http://dx.doi.org/10.5204/mcj.739.

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Preamble: Medium/Format/Marker Medium/Format/Marker (M/F/M) was a visual-aural improvisational performance involving myself, and musicians Joe Sorbara, and Ben Grossman. It was formed through my work as a PhD candidate at the Improvisation, Community, and Social Practice research initiative at the University of Guelph. This performance was conceived as an attempted intervention against the propensity to reify the “new.” It also sought to address the proliferation of the screen and question how the increased presence of screens in everyday life has augmented the way in which an audience is conc

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