Academic literature on the topic 'CO surrogate'

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Journal articles on the topic "CO surrogate"

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Kao, Yi-Ming, Ghazal ArabiDarrehDor, Mary A. Oliver, Adam D. Reese, John W. Keyloun, Kevin K. Chung, Lauren T. Moffatt, Jeffrey W. Shupp, Jin-Oh Hahn, and David M. Burmeister. "T5 Tracking Cardiac Output During Burn Resuscitation via Pulse Wave Analysis." Journal of Burn Care & Research 43, Supplement_1 (March 23, 2022): S4—S5. http://dx.doi.org/10.1093/jbcr/irac012.004.

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Abstract Introduction Urine output (UOP) still remains the primary endpoint utilized as a surrogate for cardiac output (CO) and adequacy of perfusion during burn resuscitation. The role of arterial blood pressure (BP) waveform as a guiding tool for burn resuscitation has not been rigorously explored. As we move toward developing and validating novel endpoint to complement UOP, we compared the potential of pulse wave analysis (PWA) of arterial BP waveforms for estimating cardiac output (CO) and stroke volume (SV) in a large animal model of 40% total body surface area (TBSA) burns with varying resuscitation paradigms. Methods Anesthetized swine were instrumented and hemorrhaged 15% of their blood volume, and sustained a 40% TBSA full-thickness contact burn with aluminum billets. Animals were kept in a surgical ICU setting overnight, during which anesthesia was maintained with a combination of propofol, ketamine, and fentanyl. Animals were randomized to 3 different intravenous fluid (lactated Ringer’s, LR) levels: under resuscitation with no IV fluids, adequate resuscitation protocolized with a clinical decision support tool, or over resuscitation with a starting rate of 500mL/hour. We computed 20 surrogate measures of CO and SV (10 each) via PWA of arterial BP, and calibrated them to reference CO via thermo-dilution and SV on a subject-by-subject basis. Surrogate performance was quantified in terms of correlation coefficient and root-mean-squared error (RMSE) relative to reference CO and SV. Results Animals received 0±0, 4.4±1.6, and 9.1±1.3 mL/kg/% TBSA in the under, adequate, and over resuscitation groups (p=0.0036), respectively. Among the ten surrogate measures of CO and SV, 4 surrogates had positive proportionality to reference CO and SV consistently. The best surrogate measure of CO and SV was [mean BP-diastolic BP]/[heart period] and [mean BP-diastolic BP], respectively, which yielded r value of 0.82+/-0.19 and RMSE of 0.23+/-0.14 lpm for CO and r value of 0.85+/-0.17 and RMSE of 2.7+/-2.0 ml for SV (Fig. 1). Conclusions The initial results suggest that PWA-based surrogates of CO and SV have the potential to track reference CO and SV in extremes of resuscitation post-burn. The current model produces under-resuscitated, adequately resuscitated, and over-resuscitated animals, making it possible to rigorously examine the efficacy of PWA-based tracking of CO and SV in a wide spectrum of burn resuscitation scenarios. Hence, PWA may provide metrics useful for developing surrogates of CO and SV as novel treatment endpoints of burn resuscitation that indicate perfusion and volume status of burn injury patients.
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Panda, Biswajit, and Gianluigi Albano. "DMF as CO Surrogate in Carbonylation Reactions: Principles and Application to the Synthesis of Heterocycles." Catalysts 11, no. 12 (December 16, 2021): 1531. http://dx.doi.org/10.3390/catal11121531.

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Transition metal-catalyzed carbonylation reactions have emerged as one of the most relevant synthetic approaches for the preparation of carbonyl-containing molecules. The most commonly used protocol for the insertion of a carbonyl moiety is the use of carbon monoxide (CO) but, due to its toxic and explosive nature, this process is not suitable at an industrial scale. More recently, the chemistry of CO surrogates has received large attention as a way to use less expensive and more environmentally friendly methods. Among the various CO surrogates, N,N-dimethylformamide (DMF) has been paid greater attention due to its low cost and easy availability. This mini-review gives appealing insights into the application of DMF as a CO surrogate in metal-catalyzed carbonylations; in particular, in the first part we will give a general state of the art of these reactions for the preparation of carbonyl-containing molecules; then, we will take into account all the various synthetic approaches for the metal-catalyzed carbonylative synthesis of heterocycles using DMF as a CO surrogate. Each protocol has been discussed critically in order to screen the best synthetic method and to offer perspective on trends and future directions in this field.
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Okeke, Tochukwu Christopher, Aikay A. Ubaka, Augustine O. Olibe, Kenechukwu Olisa Okeke, Godwin U. Odoh, Cyril C. Ezenyeaku, Lawrence C. Ikeako, Emmanuel O. Izuka, and Chidinma I. Onwuka. "Successful quadruplet surrogate pregnancy after turbulent medical disorders in first trimester." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 5 (April 27, 2017): 2090. http://dx.doi.org/10.18203/2320-1770.ijrcog20171982.

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Quadruplet surrogate pregnancy is a rare pregnancy but, has become common due to assisted reproductive technology (ART). Its management is a big challenge to obstetricians and co-clinicians worldwide. This was a pregnancy managed at the University of Nigeria Teaching Hospital (UNTH), Enugu, Nigeria in a 33 year old hypertensive surrogate mother with turbulent first trimester medical disorders that called for termination of the pregnancy by other co-managing clinicians. However, the pregnancy became stable in late 2nd trimester with emergency caesarean section at 33 weeks following preterm premature rupture of membranes (PPROM). Its management was a big challenge that necessitated multidisciplinary approach with successful outcome of four healthy live babies (three males and one female) and the controversial practice of surrogacy
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Mondo, Kambale, Senda Agrebi, Fathi Hamdi, Fatma Lakhal, Amsini Sadiki, and Mouldi Chrigui. "Impact of Multi-Component Surrogates on the Performances, Pollutants, and Exergy of IC Engines." Entropy 24, no. 5 (May 10, 2022): 671. http://dx.doi.org/10.3390/e24050671.

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Even though there is a pressing interest in clean energy sources, compression ignition (CI) engines, also called diesel engines, will remain of great importance for transportation sectors as well as for power generation in stationary applications in the foreseeable future. In order to promote applications dealing with complex diesel alternative fuels by facilitating their integration in numerical simulation, this paper targets three objectives. First, generate novel diesel fuel surrogates with more than one component. Here, five surrogates are generated using an advanced chemistry solver and are compared against three mechanisms from the literature. Second, validate the suggested reaction mechanisms (RMs) with experimental data. For this purpose, an engine configuration, which features a reacting spray flow evolving in a direct-injection (DI), single-cylinder, and four-stroke motor, is used. The RNG k-Epsilon coupled to power-law combustion models is applied to describe the complex in-cylinder turbulent reacting flow, while the hybrid Eulerian-Lagrangian Kelvin Helmholtz-Rayleigh Taylor (KH-RT) spray model is employed to capture the spray breakup. Third, highlight the impact of these surrogate fuels on the combustion properties along with the exergy of the engine. The results include distribution of temperature, pressure, heat release rate (HRR), vapor penetration length, and exergy efficiency. The effect of the surrogates on pollutant formation (NOX, CO, CO2) is also highlighted. The fifth surrogate showed 47% exergy efficiency. The fourth surrogate agreed well with the maximum experimental pressure, which equaled 85 Mpa. The first, second, and third surrogates registered 400, 316, and 276 g/kg fuel, respectively, of the total CO mass fraction at the outlet. These quantities were relatively higher compared to the fourth and fifth RMs.
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Walters, Frederick S., Scott Young, and Gerson Graser. "Meeting technical challenges for protein characterization and surrogate equivalence studies that resulted from insecticidal protein co-expression in maize event MZIR098." Transgenic Research 29, no. 1 (November 28, 2019): 109–24. http://dx.doi.org/10.1007/s11248-019-00183-w.

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AbstractSafety assessment of genetically modified plants includes protein characterization to confirm the intended trait protein expression. In addition, to conduct safety tests, the large amount of purified protein needed is usually met through the use of a surrogate, microbially produced protein source. Characterization of the eCry3.1Ab and mCry3A proteins as derived from Event MZIR098 maize was challenging because of the difficulty in purifying/isolating these proteins that are of similar molecular weight and have considerable shared sequence and immunogenicity. This also applies to establishing the biochemical equivalence to the microbially produced surrogate proteins, as highly-purified plant protein is required. While use of crude plant extracts facilitated functional equivalence testing with the surrogate proteins, a separate technical challenge had to be met. The eCry3.1Ab and mCry3A proteins display differentiated modes of action toward CRW pests, however, with the same overall target pest spectrum, no differential test organism existed to allow equivalence testing for one insecticidal protein in the presence of the other. To establish that the microbially produced proteins are suitable surrogates for the plant-produced proteins, the challenges in the protein purification and bioactivity testing had to be addressed. This article describes technical solutions to assess and characterize the insecticidal proteins in this new event and thereby confirm equivalence/suitability of the microbially produced protein surrogates.
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Jiménez-Fernández, Vicente, Joaquín Suárez-López, and Carlos Alfonso Zafra-Mejía. "Analysis of Surrogate Physicochemical Parameters for Studying Heavy Metal Pollution in Urban Road Runoff." Water 15, no. 1 (December 27, 2022): 85. http://dx.doi.org/10.3390/w15010085.

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The pollution associated with road runoff water can generate significant impacts on the receiving natural environment due to the significant masses mobilized under certain climate, morphological, and anthropic conditions. The aim of this paper is to show an analysis of the possible surrogate conventional physicochemical parameters of pollution by heavy metals (HMs) in urban road runoff. The best surrogate physicochemical parameters are detected by a differentiated analysis between the HM concentrations (Fe, Al, As, Ba, Cd, Co, Cu, Cr, Mn, Hg, Ni, Pb, V, and Zn) in the total, particulate, and dissolved fractions. This analysis is also performed under two scenarios of runoff event energy according to the mobilized TSS load. The results suggested that it was easier to detect surrogate parameters for total HM concentrations during higher-energy runoff events. The outcomes hinted that regardless of the runoff event energy, it was easier to detect conventional surrogate parameters for the particulate HM concentration compared to the dissolved HM concentration. The findings showed for total HM concentration that the best surrogate parameter during higher-energy runoff events was TSS. The best surrogate HM during these runoff events was Fe. The results also suggested that HMs with high percentages of association with the particulate fraction (>70%) of road runoff were the best surrogates for the other HMs under study. For lower-energy runoff events, the best surrogate parameter was VSS, although TSS also showed good behavior.
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Keane, Andy J., and Ivan I. Voutchkov. "Robust design optimization using surrogate models." Journal of Computational Design and Engineering 7, no. 1 (February 1, 2020): 44–55. http://dx.doi.org/10.1093/jcde/qwaa005.

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Abstract The use of surrogate models (response surface models, curve fits) of various types (radial basis functions, Gaussian process models, neural networks, support vector machines, etc.) is now an accepted way for speeding up design search and optimization in many fields of engineering that require the use of expensive computer simulations, including problems with multiple goals and multiple domains. Surrogates are also widely used in dealing with uncertainty quantification of expensive black-box codes where there are strict limits on the number of function evaluations that can be afforded in estimating the statistical properties of derived performance quantities. Here, we tackle the problem of robust design optimization from the direction of Gaussian process models (Kriging). We contrast two previously studied models, co-Kriging and combined Kriging (sometimes called level 1 Kriging), and propose a new combined approach called combined co-Kriging that attempts to make best use of the key ideas present in these methods.
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Lefebvre, J. P., B. Dompierre, A. Robert, M. Le Bihan, E. Wyart, and C. Sainvitu. "Failure Probability Assessment using co-Kriging Surrogate Models." Procedia Engineering 133 (2015): 622–30. http://dx.doi.org/10.1016/j.proeng.2015.12.640.

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Forrester, Alexander I. J., András Sóbester, and Andy J. Keane. "Multi-fidelity optimization via surrogate modelling." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 463, no. 2088 (October 2, 2007): 3251–69. http://dx.doi.org/10.1098/rspa.2007.1900.

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This paper demonstrates the application of correlated Gaussian process based approximations to optimization where multiple levels of analysis are available, using an extension to the geostatistical method of co-kriging . An exchange algorithm is used to choose which points of the search space to sample within each level of analysis. The derivation of the co-kriging equations is presented in an intuitive manner, along with a new variance estimator to account for varying degrees of computational ‘noise’ in the multiple levels of analysis. A multi-fidelity wing optimization is used to demonstrate the methodology.
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Ragaini, Fabio, Francesco Ferretti, and Manar Ahmed Fouad. "Phenyl Formate as a CO Surrogate for the Reductive Cyclization of Organic Nitro Compounds to Yield Different N-Heterocycles: No Need for Autoclaves and Pressurized Carbon Monoxide." Catalysts 13, no. 2 (January 18, 2023): 224. http://dx.doi.org/10.3390/catal13020224.

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The reductive cyclization of different organic nitro compounds by carbon monoxide, catalyzed by transition metal complexes, is a very efficient and clean strategy for the synthesis of many N-heterocycles. However, its use requires the use of autoclaves and pressurized CO lines. In this perspective, the authors will present the results obtained in their laboratories on the use of phenyl formate as a convenient CO surrogate, able to liberate carbon monoxide under the reaction conditions and allowing the use of a cheap glass pressure tube as a reaction vessel. In most cases, yields were better than those previously reported by the use of pressurized CO, proving that the use of CO surrogates can be a viable alternative to the gaseous reagent.
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Dissertations / Theses on the topic "CO surrogate"

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Woods, Timothy E. "Elucidating the degree of selectivity for NLO surrogate attachment to model compounds and a co-polyimide using the Mitsunobu reaction /." Online version of thesis, 2008. http://hdl.handle.net/1850/7725.

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RAMADAN, DOAA REDA MOHAMED. "PALLADIUM CATALYZED REACTIONS: REDUCTIVE CYCLIZATION OF NITROARENES, AND OXIDATIVE CARBONYLATION OF ANILINE." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/819652.

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Palladium Catalyzed Reactions: Reductive Cyclization of Nitroarenes, and Oxidative Carbonylation of Aniline Abstract: The thesis is divided into two main chapters: reductive cyclization of nitroarenes, and oxidative carbonylation of aniline. The first chapter involves developing a catalytic system for carbazoles synthesis through reductive cyclization of 2-nitrobiphenyls employing phenyl formate as an in-situ source of CO. Thus, the synthetic chemist can avoid handling pressurized CO lines and perform the reaction in a pressure tube, a cheap and readily available tool for any laboratory. Moreover, the developed protocol can tolerate both air and moisture and can be performed using undried and undistilled commercial DMF. Several carbazoles bearing a wide range of substituents were synthesized in good to excellent yields including some with valuable pharmaceutical or thermo/electrical applications. The reaction could be performed on the grams scale affording carbazole in a very good yield (85%) without the need for chromatographic purification, making our synthetic strategy even more attractive and economically advantageous. The second chapter deals with the palladium/iodide couple which is the most investigated catalytic system for the oxidative carbonylation of amines to give ureas or carbamates. In reinvestigating it, we found that the most prominent role of iodide is to etch the stainless steel of the autoclave employed in most of previous works, releasing in solution small amounts of iron salts. The latter are much better promoters than iodide itself. Iron and iodide have a complex interplay and, depending on relative ratios, can even deactivate each other. The presence of a halide is beneficial, but chloride is better than iodide in this respect. The ideal Fe/Pd ratio is around 10, but even an equimolar amount of iron with respect to palladium (0.02 mol% with respect to aniline, corresponding to 12 ppm Fe with respect to the whole solution) is sufficient to boost the activity of the catalytic system. Such small amount may also come from Fe(CO)5 impurities present in the CO gas when stored in steel tanks. The role of the solvent has also been investigated. It was found that the reason for the better selectivity in some cases is at least in part due to a hydrolysis of the solvent itself, which removes the coproduced water.
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Kholghy, Mohammad Reza. "The Evolution of Soot Morphology in Laminar Co-flow Diffusion Flames of the Surrogates for Jet A-1 and a Synthetic Kerosene." Thesis, 2012. http://hdl.handle.net/1807/33270.

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An experimental study was performed to study soot formation and evolution in atmospheric, laminar, coflow, diffusion flames of Jet-A1, Synthetic Paraffinic Kerosene and their surrogates. Light extinction, rapid thermocouple insertion and thermophoretic sampling followed by transmission electron microscopy and atomic forced microscopy were used to obtain soot volume fraction profiles, temperature profiles and soot morphologies, respectively. Different soot evolution processes were observed on the flame centerline and on a streamline with a significantly different temperature history. Formation and agglomeration of the first soot particles are different on the two streamlines. Transparent liquid-like particles are produced in large volumes in the early regions of the flame centerline where T < 1500 K; these particles are undetectable by the extinction method with the wavelength of 632.8 nm. Most of the currently used computational soot models do not predict the liquid-like nature of nascent soot particles which has major effects on the modeling.
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Slunéčková, Zuzana. "Aspekty života homoparentálních rodin v České republice z pohledu rovného zacházení." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-372870.

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My thesis should provide a comprehensive sum up of the life of homoparental families in the Czech Republic. I would like to closely see and monitor functioning of those LGBTI families and to research obstacles that these families must overcome to fully function in the society. In terms of equal and discrimination on grounds of sexual orientation and gender identity I will examine in more details the processes, tools and institutions that provide the same conditions to all families without exception. I am primarily interested in barriers to the full functioning of these families, their access to assisted reproduction, surrogacy for gay families, and the legalization of non-biologic parent relationships to a child in a common household, their rights and duties. From a public policy point of view, I will find out whether these processes are in the accordance to equal and not discrimination treatment for all. By legalization of the partnership between homosexuals in the Czech Republic it has caused the logical development of this status and issues connecting to this law. Today, is often discussed the nature of this relationship and the possibility of its "transformation" into a full family structure ended up by marriage. This development raises a number of theoretical and practical issues. In my work,...
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Books on the topic "CO surrogate"

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Seeck, Margitta, L. Spinelli, Jean Gotman, and Fernando H. Lopes da Silva. Combination of Brain Functional Imaging Techniques. Edited by Donald L. Schomer and Fernando H. Lopes da Silva. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190228484.003.0046.

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Several tools are available to map brain electrical activity. Clinical applications focus on epileptic activity, although electric source imaging (ESI) and electroencephalography-coupled functional magnetic resonance imaging (EEG–fMRI) are also used to investigate non-epileptic processes in healthy subjects. While positron-emission tomography (PET) reflects glucose metabolism, strongly linked with synaptic activity, and single-photon-emission computed tomography (SPECT) reflects blood flow, fMRI (BOLD) signals have a hemodynamic component that is a surrogate signal of neuronal (synaptic) activity. The exact interpretation of BOLD signals is not completely understood; even in unifocal epilepsy, more than one region of positive or negative BOLD is often observed. Co-registration of medical images is essential to answer clinical questions, particularly for presurgical epilepsy evaluations. Multimodal imaging can yield information about epileptic foci and underlying networks. Co-registering MRI, PET, SPECT, fMRI, and ESI (or magnetic source imaging) provides information to estimate the epileptogenic zone and can help optimize surgical results.
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Montgomery, Hugh, and Rónan Astin. Normal physiology of the cardiovascular system. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0128.

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Preload modulates contractile performance, and is determined by end-diastolic volume (EDV) and ventricular compliance. Compliance falls with increasing preload, muscle stiffness or ventricular hypertrophy, making central venous pressure (CVP) a poor surrogate for EDV. Responsiveness to fluid loading can be identified by seeking a change in stroke volume (SV) with changes in cardiac loading. Afterload, the force to be overcome before cardiac muscle can shorten to eject blood, rises with transmural pressure and end-diastolic radius, and inversely with wall thickness. Afterload, being the tension across the ventricular wall, is influenced by pleural pressure. Reductions in afterload increase SV for any cardiac work, as do reductions in vascular resistance. Resistance is modified by changes in arteriolar cross-sectional area. A rise in resistance increases blood pressure and microvascular flow velocity. Increased resistance may reduce CO if cardiac work cannot be augmented sufficiently. Flow autoregulationis the ability of vascular beds to maintain constant flow across varied pressures by adjusting local resistance.
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Bix, Brian H. Private Ordering in Family Law. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786429.003.0013.

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The chapter begins by clarifying what is meant by ‘private ordering’ in family law—where the primary focus is usually not on the fact of private ordering, but the question of state recognition or enforcement of private choices. Additionally, the analysis considers the distinction between agreements regarding substantive outcomes (e.g. who should have parental rights), and agreements regarding procedure (e.g. having a dispute settled by arbitration). The chapter offers an overview of the moral and policy arguments that had been raised when private ordering had been strongly discouraged (e.g. various social goods, and the protection of vulnerable parties), and the changing arguments being offered now that private ordering is more frequently encouraged, or at least condoned. Finally, the chapter will consider why some forms of private ordering (e.g. separation agreements at divorce) are encouraged, while others (e.g. co-parenting and surrogacy agreements) continue to be treated with suspicion.
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Eekelaar, John. Family Law and Personal Life. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198814085.001.0001.

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Developments in the law, scholarship, and research since 2006 form a substantial part of the second edition of this book which sets the governance of personal relationships in the context of the exercise of social and personal power. Its central argument is that this power is counterbalanced by the presence of individual rights. This entails an analysis of the nature and deployment of rights, including human rights and children’s rights. Against that background, the book examines the values of friendship, truth, respect, and responsibility, and how the values of individualism co-exist with those of the community in an open society. It argues that central to these values is respecting the role of intimacy in personal relationships. In doing this, a variety of issues are examined, including the legal regulation of married and unmarried relationships, same-sex marriage, state supervision over the inception and exercise of parenthood (including surrogacy and assisted reproductive technology), the role of fault and responsibility in divorce law, children’s rights and welfare, religion and family rights, the rights of separated partners regarding property and of separated parents regarding their children, and how states should respond to cultural diversity.
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Book chapters on the topic "CO surrogate"

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Zhang, Yiming, Aravind Neelakantan, Nalini Kumar, Chanyoung Park, Raphael T. Haftka, Nam H. Kim, and Herman Lam. "Multi-fidelity Surrogate Modeling for Application/Architecture Co-design." In Lecture Notes in Computer Science, 179–96. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-72971-8_9.

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Nash, Emily, and John Rainer. "Co-Leadership as Stimulus for Surrogate Parenting Within a Healing Community." In Healing Trauma in Group Settings, 138–57. New York, NY : Routledge, 2020.: Routledge, 2019. http://dx.doi.org/10.4324/9781315164120-9.

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Mehta, Arpan R., Siddharthan Chandran, and Bhuvaneish T. Selvaraj. "Assessment of Mitochondrial Trafficking as a Surrogate for Fast Axonal Transport in Human Induced Pluripotent Stem Cell–Derived Spinal Motor Neurons." In Methods in Molecular Biology, 311–22. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-1990-2_16.

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AbstractAxonal transport is essential for the development, function, and survival of the nervous system. In an energy-demanding process, motor proteins act in concert with microtubules to deliver cargoes, such as organelles, from one end of the axon to the other. Perturbations in axonal transport are a prominent phenotype of many neurodegenerative diseases, including amyotrophic lateral sclerosis. Here, we describe a simple method to fluorescently label mitochondrial cargo, a surrogate for fast axonal transport, in human induced pluripotent stem cell–derived motor neurons. This method enables the sparse labeling of axons to track directionality of movement and can be adapted to assess not only the cell autonomous effects of a genetic mutation on axonal transport but also the cell non-autonomous effects, through the use of conditioned medium and/or co-culture systems.
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Blanchard, Julien, Charlotte Beauthier, and Timoteo Carletti. "A Surrogate-Assisted Cooperative Co-evolutionary Algorithm for Solving High Dimensional, Expensive and Black Box Optimization Problems." In EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization, 41–52. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97773-7_4.

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Robota, Heinz J., Jeremy Jones, Mingsheng Luo, and Amanda Stewart. "Hexadecane Hydrotreating as a Surrogate for Fischer-Tropsch Wax Upgrading to Aviation Fuel Using a Co/MoO3/Silica-Alumina Catalyst." In ACS Symposium Series, 279–87. Washington, DC: American Chemical Society, 2011. http://dx.doi.org/10.1021/bk-2011-1084.ch012.

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Leifsson, Leifur, and Jethro Nagawkar. "Sensitivity Analysis and Optimal Design with PC-co-kriging." In Surrogate Modeling for High-Frequency Design, 405–25. WORLD SCIENTIFIC (EUROPE), 2022. http://dx.doi.org/10.1142/9781800610750_0013.

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Rätze, Karsten H. G., Jens Bremer, Lorenz T. Biegler, and Kai Sundmacher. "Physics-Based Surrogate Models for Optimal Control of a CO 2 Methanation Reactor." In Computer Aided Chemical Engineering, 127–32. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-444-63965-3.50023-4.

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Deomampo, Daisy. "Physician Racism and the Commodification of Intimacy." In Transnational Reproduction. NYU Press, 2016. http://dx.doi.org/10.18574/nyu/9781479804214.003.0006.

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Chapter 5 offers an in-depth analysis of the key role that doctors play in organizing and facilitating surrogates’ relationships with commissioning parents. By examining how doctors influence the ways in which surrogates themselves understand and negotiate their relationships with commissioning clients, the chapter argues that Indian doctors racialize surrogates in ways that justify their unequal position in surrogacy arrangements. The chapter first addresses the ways in which doctors articulate their own role in transnational surrogacy arrangements, demonstrating how they structure relationships and facilitate communication between clients and surrogates. The chapter then examines surrogates’ narratives regarding their relationships with intended parents, demonstrating how physicians’ practices powerfully shape how surrogates view their own relationships with commissioning clients and fetuses. This chapter shows how physician racism and a racialized labor market shape surrogates’ views of commissioning parents as actors in an economic transaction, rather than as co-collaborators in the creation of babies. Yet while doctors develop racial reproductive imaginaries through which they justify their treatment of surrogates, surrogates simultaneously describe this treatment as problematic and disrespectful, and perceive their inability to communicate directly with clients as a mark of disrespect.
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Waldmann, Carl, Andrew Rhodes, Neil Soni, and Jonathan Handy. "Respiratory monitoring." In Oxford Desk Reference: Critical Care, 95–104. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780198723561.003.0006.

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This chapter discusses respiratory monitoring and includes discussion on pulmonary function tests in critical illness (including discussion on monitoring mechanical ventilation, monitoring the weaning process, and a summary), end-tidal CO2 monitoring (capnography, capnometry, measurement techniques, volumetric capnography, clinical applications of capnography, the shape of the volumetric capnogram), pulse oximetry (clinical applications, limitations, physical risks, recent advances), and monitoring transpulmonary pressure (physiological background, oesophageal pressure as a surrogate of pleural pressure, oesophageal pressure measurement, elastance-derived measurement, direct measurement, clinical use of oesophageal pressure, oesophageal pressure to guide therapy in acute respiratory distress syndrome, transpulmonary pressure to study the effects of spontaneous breathing during assisted ventilation, patient–ventilator asynchrony).
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Walker, Christine. "Manumissions." In Jamaica Ladies, 255–89. University of North Carolina Press, 2020. http://dx.doi.org/10.5149/northcarolina/9781469658797.003.0007.

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The final chapter probes the ambivalent and varied intimate connections between free, formerly enslaved, and enslaved people from another angle, investigating women’s manumission practices. Manumission or legal freedom has typically been portrayed as a reward offered by white men to the enslaved women whom they maintained largely coercive sexual relationships with. Focusing on women’s manumission directives tells a different story. Whereas men preferred to manumit their biological children, female slaveholders largely freed other adult women whom they perceived to be intimate companions. Women also displayed an interest in manumitting enslaved children, whom they treated as surrogate kin. Women sought to blend these children into their own families, bestowing money, education, and enslaved people on them. A notable portion of female enslavers bestowed money, property, and slaves on the people whom they manumitted. Their actions had multivalent consequences. On the one hand, women who manumitted captives aggregated the community of free people of African descent on the island. On the other, they used slaveholding to co-opt freed people into Jamaica’s slaveholding system. In a place where liberty and slavery were mutually constitutive, enslaving others became a key means of securing and protecting one’s free status.
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Conference papers on the topic "CO surrogate"

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Sheta, Ahmed, Sergio Fernández, Changwei Liu, and Julio Lloret-Fillol. "Electrocatalytic Synthesis of Ketones Using CO2 as a CO Surrogate." In nanoGe Spring Meeting 2022. València: Fundació Scito, 2022. http://dx.doi.org/10.29363/nanoge.nsm.2022.377.

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Hamza, Karim, and Kazuhiro Saitou. "Vehicle Crashworthiness Design Via a Surrogate Model Ensemble and a Co-Evolutionary Genetic Algorithm." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84965.

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This paper presents a new method for designing vehicle structures for crashworthiness using surrogate models and a genetic algorithm. Inspired by the classifier ensemble approaches in pattern recognition, the method estimates the crash performance of a candidate design based on an ensemble of surrogate models constructed from the different sets of samples of finite element analyses. Multiple sub-populations of candidate designs are evolved, in a co-evolutionary fashion, to minimize the different aggregates of the outputs of the surrogate models in the ensemble, as well as the raw output of each surrogate. With the same sample size of finite element analyses, it is expected the method can provide wider ranges potentially high-performance designs than the conventional methods that employ a single surrogate model, by effectively compensating the errors associated with individual surrogate models. Two case studies on simplified and full vehicle models subject to full-overlap frontal crash conditions are presented for demonstration.
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Koziel, S. "Robust optimization of microwave structures using co-simulation-based surrogate models." In 2011 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting. IEEE, 2011. http://dx.doi.org/10.1109/aps.2011.5997140.

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Wohrle, Hendrik, Mariela De Lucas Alvarez, Fabian Schlenke, Alexander Walsemann, Michael Karagounis, and Frank Kirchner. "Surrogate Model based Co-Optimization of Deep Neural Network Hardware Accelerators." In 2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS). IEEE, 2021. http://dx.doi.org/10.1109/mwscas47672.2021.9531708.

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Thangavelu, Madhu, and Alain Chau. "Surrogate Astronaut Robotic Avatars: Co-Robotics for Safe, Economic Space Operations." In AIAA SPACE 2013 Conference and Exposition. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-5394.

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Goh, C. K., D. Lim, L. Ma, Y. S. Ong, and P. S. Dutta. "A surrogate-assisted memetic co-evolutionary algorithm for expensive constrained optimization problems." In 2011 IEEE Congress on Evolutionary Computation (CEC). IEEE, 2011. http://dx.doi.org/10.1109/cec.2011.5949693.

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Le, Minh Nghia, Yew Soon Ong, Stefan Menzel, Chun-Wei Seah, and Bernhard Sendhoff. "Multi co-objective evolutionary optimization: Cross surrogate augmentation for computationally expensive problems." In 2012 IEEE Congress on Evolutionary Computation (CEC). IEEE, 2012. http://dx.doi.org/10.1109/cec.2012.6252915.

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Bragin, Mikhail A., Peter B. Luh, Joseph H. Yan, Nanpeng Yu, and Gary A. Stern. "Efficient surrogate optimization for payment cost co-optimization with transmission capacity constraints." In 2013 IEEE Power & Energy Society General Meeting. IEEE, 2013. http://dx.doi.org/10.1109/pesmg.2013.6672447.

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Lee, J., S. J. Lee, P. Sharma, and S. Choi. "Understanding the Effectiveness of a Co-Located Wireless Channel Monitoring Surrogate System." In ICC 2010 - 2010 IEEE International Conference on Communications. IEEE, 2010. http://dx.doi.org/10.1109/icc.2010.5502051.

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Ellison, Gillian, James Sherwood, Carolyn Gokhale, Andrew Wallace, Robert Elles, and Anderson Ryan. "Circulating free DNA as a surrogate for tumor material for EGFR and KRAS analysis." In AACR International Conference: Molecular Diagnostics in Cancer Therapeutic Development– Sep 27-30, 2010; Denver, CO. American Association for Cancer Research, 2010. http://dx.doi.org/10.1158/diag-10-pr4.

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Reports on the topic "CO surrogate"

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Day, Christopher M., Hiromal Premachandra, and Darcy M. Bullock. Characterizing the Impacts of Phasing, Environment, and Temporal Factors on Pedestrian Demand at Traffic Signals. Purdue University, 2011. http://dx.doi.org/10.5703/1288284317352.

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There is a need for more and higher quality data on pedestrian demand patterns for a number of applications in planning, transportation engineering, public health, and other areas. It is particularly desirable to better characterize the influence of daily, weekly, and annual variations; the impact of weather and special events; and the effects of changes in pedestrian phasing. This paper proposes and demonstrates a methodology for quantifying the relative demand for pedestrian service at a signalized intersection by using the percent of signal cycles per hour in which the pedestrian phase was actuated. Although this performance measure does not by itself provide a pedestrian count, it can be used as a surrogate to characterize how pedestrian volumes vary due to operating conditions. More importantly, since this technique does not require new sensors, the data can be collected at thousands of intersections across the nation where pedestrian push buttons are in use. This paper documents findings from over a year of data collection at a signalized intersection on a college campus. The effects of daily/weekly/annual variations, special events, weather (temperature and precipitation), seasonal changes in activity patterns, and changes in pedestrian signal phasing are documented. A Tobit model is used to account for the influences of these variables and understand how they co-influence pedestrian activity. The implementation of an exclusive pedestrian phase is associated with a 9% increase in pedestrian phase utilization at the intersection. This change is associated with a decrease in user cost relative to performing midblock crossings. The modeled impact of snowfall events adds further insight by showing that as the user cost of making midblock crossings increases, pedestrian activity at the intersection increases.
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