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507 result(s) for "Calvert, David"
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Do animals have feelings too?
Through facts and anecdotes, investigates the question of whether animals experience feelings such as compassion, loyalty, grief, joy, vengefulness, and helpfulness.
Liturgical Speech Acts in Congregational Singing
Smith's \"Christian social imaginary\" is an appropriate description for the background of meaning in liturgical speech acts.5 The Christian social imaginary is \"a distinctly Christian understanding of the world that is implicit in the practices of Christian worship,\" and it is a philosophical way of framing Jesus's teaching of the kin-dom or realm of God's reign.6 Congregational singing often makes the implicit explicit as compressed ideas about God and humanity are given voice. Nicholas Wolterstorff, a theologian and philosopher well acquainted with SAT, proposes that art is involved in \"world-projection,\" which is a way of articulating how congregational song participates in the Christian social imaginary-states of affairs are included in a song's world.7 Wolterstorff explains that the world that art projects is a state of affairs, a way things can or cannot be. Jeremy Begbie indirectly applies the concept of the Christian social imaginary to music when he explains, Music is never heard on its own but as a part of a perceptual complex that includes a range of non-musical phenomena: for example, the physical setting in which we hear the music, memories of people associated with it, artificial images (as in the case of film and video), words (the lyrics of a song, program notes, the title of a piece, what someone said about the piece on the radio), and so on.8 This perceptual complex, and the included non-musical phenomena, may be more succinctly referred to as the Christian social imaginary, the background of meaning for liturgical speech acts. First I will provide examples from Searle's taxonomy, and after explaining a key limitation in describing corporate worship, I will provide examples of liturgical speech acts. Since the idea of expressing has been developed already in relation to art, I will begin with the Expressive illocutionary act.
Surface Runoff Losses of Copper and Zinc in Sandy Soils
Increased anthropogenic inputs of Cu and Zn in soils have caused considerable concern relative to their effect on water contamination. Copper and Zn contents in surface soil directly influence the movement of Cu and Zn. However, minimal information is available on runoff losses of Cu and Zn in agricultural soils, and soil-extractable Cu and Zn in relation to runoff water quality. Field experiments were conducted in 2001 to study dissolved Cu and Zn losses in runoff in Florida sandy soils under commercial citrus and vegetable production and the relationship between soil-extractable Cu and Zn forms and dissolved Cu and Zn concentrations in runoff water. Five extraction methods were compared for extracting soil available Cu and Zn. Concentrations of dissolved Cu and Zn in runoff were measured and runoff discharge was monitored. Mean dissolved Cu in field runoff water was significantly correlated with the extractable Cu obtained only by 0.01 mol L−1 CaCl2, Mehlich 1, or DTPA–TEA methods. Dissolved Zn in runoff water was only significantly correlated with extractable Zn by 0.01 mol L−1 CaCl2 The highest correlations to dissolved Cu in runoff were obtained when soil-available Cu was extracted by 0.01 mol L−1 CaCl2 The results indicate that 0.01 mol L−1 CaCl2–extractable Cu and Zn are the best soil indexes for predicting readily released Cu and Zn in the sandy soils. Both runoff discharge and 0.01 mol L−1 CaCl2–extractable Cu and Zn levels had significant influences on Cu and Zn loads in surface runoff.
Minimizing phosphorus release from newly flooded organic soils amended with calcium silicate slag: a pilot study
A pilot study was conducted using commercially available forms of calcium silicate (CaSiO₃) slag as a soil amendment to reduce phosphorus (P) release from an organic soil after flooding. Broadcasting CaSiO₃ slag on top of the soil reduced the flux of soil P up to 84% compared to an unamended soil control. However, incorporation of CaSiO₃ slag into the soil was only minimally effective at reducing P release. These materials have a potential use in the construction of treatment wetlands in south Florida. Further work is needed to better define reaction mechanisms, investigate the long-term treatment efficacy of these materials and address other environmental questions concerning their use.
Self-Learning Visual Servoing of Robot Manipulator Using Explanation-Based Fuzzy Neural Networks and Q-Learning
A new self-learning visual servoing system for the robot manipulators is proposed. This system includes two main properties: on-line self training and lifelong learning that are implemented by the Q-Learning algorithm and Explanation-based Fuzzy Neural Networks (EBFNN) respectively. We demonstrate that the number of training samples and the training time for a specific robot positioning accuracy can be reduced using explanation-based fuzzy neural networks and the Q-Learning algorithm. The system uses Q-learning to find the optimal policy in conjunction with the reinforcement learning. This policy is used by a robot to reach an object that has been randomly placed in a static workspace. Background knowledge about the robot and its environment is transferred to the robot agent during the learning process using a set of previously trained neural networks. This system learns the optimal policy in order to select the best action that maximizes the cumulative reward received at each time step. This learning approach does not use either a robot or camera model, or require calibration. Simulation results prove the effectiveness of this methodology to improve the learning process and the performance of the self-learning visual servoing system.
The New Graphic Design School
The principles and practice of graphic design Graphic Design School is a foundation course for graphic designers working in print, moving image, and digital media.Practical advice on all aspects of graphics design-from understanding the basics to devising an original concept and creating successful finished designs.Examples are taken from all media-magazines, books, newspapers, broadcast media, websites, and corporate brand identity.Packed with exercises and tutorials for students, and real-world graphic design briefs.This revised, fourth edition contains specific advice on how to adapt designs to suit different projects, including information on digital imaging techniques, motion graphics, and designing for the web and small-screen applications.
Liturgical Speech Acts: How to Do Things with Words in Worship
This dissertation provides a theoretical account of the function of language in corporate worship using the descriptive categories of speech act theory. My thesis is that language used in the context of corporate worship functions differently than language used in other contexts by leveraging particular illocutionary force(s) in liturgical speech. These liturgical speech acts are multiple, simultaneous, irreducible illocutionary acts. Liturgical speech acts in corporate worship are leveraged toward the perlocutionary effect of spiritual formation. Chapter one introduces the core concepts of speech act theory through a survey of Austin and Searle followed by the theologians who have utilized speech act theory for hermeneutics. The examples of critical appropriation by Vanhoozer and Wolterstorff inform the method of appropriation that will be demonstrated in chapter two. Chapter one concludes by surveying critical reception of speech act theory within the evangelical community. Chapter two interacts with Searle’s taxonomy of illocutionary acts and contributes to speech act theory and liturgical language by critiquing Searle’s limitations and proposing unique liturgical speech acts. This contribution is established by a review and evaluation of Searle’s taxonomy of illocutionary speech acts and their usefulness in examining liturgical speech. After Searle’s categories are considered and appropriated theologically, the “Christian social imaginary” is proposed as the most compelling explanation of the “Background of meaning” for liturgical speech. Once these foundations have been established, a new taxonomy of specifically liturgical speech acts is introduced with the articulation of “Celebrative,” “Participative,” and “Re- presentative” illocutionary acts. The third chapter demonstrates the richness of meaning found in examining the ordo by highlighting significant parts of each movement using the categories of speech act theory and the three proposed liturgical speech acts. Examples are provided of liturgical speech acts in the “Gathering” for corporate worship. The second element, “Word,” is examined in terms of both public reading of Scripture and preaching, including interaction with Sam Chan’s work in preaching and speech act theory. Third, the “Table” elements are examined, including interaction with Mary Patton Baker’s monograph on participation and the Eucharist, with implications for further research. Finally, the “Sending” elements in corporate worship are examined as liturgical speech acts. Chapter four narrows the focus of liturgical speech acts to congregational singing. The components of congregational song are explored and the irreducible illocutionary activity of corporate singing is described. Both the lyrical content and the musical content (aesthetics) have illocutionary force, and congregational singing combines the intentions of author, composer, singers, and hearers in ways that demonstrate the usefulness of liturgical speech acts. The fifth chapter proposes several implications of liturgical speech acts and areas for further research. One such area for research is the problem of “perlocutionary anticipation”— because we cannot control how a hearer will respond to an illocutionary act, we may only anticipate the intended response, and may examine the effectiveness of the illocutionary act only in retrospect. This chapter draws attention to the importance of understanding formation in corporate worship and the role that liturgical speech acts may play in encouraging intentionally biblical and theologically sound use of language in corporate worship.
Rotorcraft Blade Angle Calibration Methods
The most vital system of a rotorcraft is the rotor system due to its effects on the overall flight quality of the vehicle. Therefore, it is of importance to be able to accurately determine blade position during flight so that fine adjustments can be made to ensure a safe and efficient flight. In this study, a current calibration method focusing on the pitch, flap, and lead-lag blade angles is analyzed and found to have larger than acceptable error associated with the sensor calibrations. A literature review is conducted which reveals four novel methods that can potentially increase the accuracy of the sensor calibrations. An uncertainty analysis is conducted aiding in the decision of which of the four methods would best improve the calibration accuracy. The results conclude that a simpler method can be applied and calibration times can greatly be reduced while increasing the accuracy of the calibration. Finally, a new calibration method is proposed utilizing the newly chosen sensor that can be later implemented into the system.
The Wiley international handbook of service-learning for social justice
A comprehensive guide to service-learning for social justice written by an international panel of experts The Wiley International Handbook of Service-Learning for Social Justice offers a review of recent trends in social justice that have been, until recently, marginalized in the field of service-learning. The authors offer a guide for establishing and nurturing social justice in a variety of service-learning programs, and show that incorporating the principles of social justice in service-learning can empower communities to resist and disrupt oppressive power structures, and work for solidarity with host and partner communities. With contributions from an international panel of experts, the Handbook contains a critique of the field's roots in charity; a review of the problematization of Whitenormativity, paired with the bolstering of diverse voices and perspectives; and information on the embrace of emotional elements including tension, ambiguity, and discomfort. This important resource: * Considers the role of the community in service-learning and other community?engaged models of education and practice * Explores the necessity of disruption and dissonance in service-learning * Discusses a number of targeted issues that often arise in service-learning contexts * Offers a practical guide to establishing and nurturing social justice at the heart of an international service-learning program Written for advanced undergraduate students, graduate students, scholars, and educators, The Wiley International Handbook of Service-Learning for Social Justice highlights social justice as a conflict?ridden struggle against inequality, xenophobia, and oppression, and offers practical suggestions for incorporating service-learning programs in various arenas.
Femtosecond laser electronic excitation tagging for aerodynamic and thermodynamic measurements
This thesis presents applications of Femtosecond Laser Electronic Excitation Tagging (FLEET) to a variety of aerodynamic and thermodynamic measurements. FLEET tagged line characteristics such as intensity, width and spectral features are investigated in various flow conditions (pressure, temperature, velocity, steadiness, etc.) and environments (gas composition) for both temporally and spatially instantaneous and averaged data. Special attention is drawn to the nature of first and second positive systems of molecular nitrogen and the ramifications on FLEET measurements. Existing laser-based diagnostic techniques are summarized and FLEET is directly compared with Particle Image Velocimetry (PIV) in various low speed flows. Multidimensional velocity, acceleration, vorticity and other flow parameters are extracted in supersonic free jets and within an enclosed in-draft tunnel test section. Probability distribution functions of the mean and standard deviation of critical flow parameters are unveiled by utilizing a Bayesian statistical framework wherein likelihood functions are established from prior and posterior distributions. Advanced image processing techniques based on fuzzy logic are applied to single-shot FLEET images with low signal-to-noise ratio to improve image quality and reduce uncertainty in data processing algorithms. Lastly, FLEET second positive and first negative emission are considered at a wide range of pressures to correct for changes in select rovibrational peak magnitude and shape due to density from which bulk gas temperature may be extracted.