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  • 1
    Publication Date: 2021-10-13
    Description: Sunlight reflection and carbon removal proposals for “climate engineering” (CE) confront governance challenges that many emerging technologies face: their futures are uncertain, and by the time one can discern their shape or impacts, vested interests may block regulation, and publics are often left out of decision-making about them. In response to these challenges, “responsible research and innovation” (RRI) has emerged as a framework to critique and correct for technocratic governance of emerging technologies, and CE has emerged as a prime case of where it can be helpfully applied. However, a critical lens is rarely applied to RRI itself. In this review, we first survey how RRI thinking has already been applied to both carbon removal and sunlight reflection methods for climate intervention. We examine how RRI is employed in four types of activities: Assessment processes and reports, principles and protocols for research governance, critical mappings of research, and deliberative and futuring engagements. Drawing upon this review, we identify tensions in RRI practice, including whether RRI forms or informs choices, the positionalities of RRI practitioners, and ways in which RRI activities enable or disable particular climate interventions. Finally, we recommend that RRI should situate CE within the long arc of sociotechnical proposals for addressing climate change, more actively connect interrogations of the knowledge economy with reparative engagements, include local or actor-specific contexts, design authoritative assessments grounded in RRI, and go beyond treating critique and engagement as “de facto” governance. This article is categorized under: Policy and Governance 〉 Private Governance of Climate Change Social Status of Climate Change Knowledge 〉 Climate Science and Decision Making
    Keywords: 551,6 ; assessments ; climate engineering ; governance ; research practices ; responsible research and innovation
    Language: English
    Type: map
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  • 2
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    In:  Other Sources
    Publication Date: 2011-08-24
    Description: It is proposed that H2O masers in star-forming regions occur early in the expansion of thin shells swept up by high-velocity winds from young massive stars. In W49N, confinement of the shell by a density distribution with an axial cavity can explain both the velocity field and the shape of the mass distribution. A modified version of the thin-shell code of Mac Low and McCray (1988), including radiation cooling, is used to model dynamically the expanding shell.
    Keywords: ASTROPHYSICS
    Type: In: Astrophysical masers; Proceedings of the Conference, Arlington, VA, Mar. 9-11, 1992 (A93-52776 23-90); p. 172-175.
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  • 3
    Publication Date: 2011-08-24
    Description: The numerical gasdynamics code ZEUS-2D is used to directly model the dynamical overstabilities in blast waves. The linear analysis is confirmed by perturbing a blast wave with a low-amplitude eigenfunction of the overstability. The amplitude of the perturbations is increased in order to determine the nonlinear behavior of the overstabilities. The overstability is found to saturate due to weak transverse shocks in the shell. Transverse velocities in the dense shell reach the postshock sound speed, and high-density regions with sizes of the order of the shell thickness form. Transverse oscillations continue even after saturation. This confirms and explains the damping of the overstability experimentally discovered by Grun et al. (1991).
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 407; 1; p. 207-218.
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  • 4
    Publication Date: 2011-08-24
    Description: Patients with neurogenic orthostatic hypotension may use portable folding chairs to prevent or reduce symptoms of low blood pressure. However, a concomitant movement disorder may limit the use of these chairs in daily living. In this prospective study, 13 patients with orthostatic hypotension, balance disturbance associated with motor disability, or both examined three commercially available portable folding chairs. A questionnaire was used to document the characteristics in chair design that were relevant for satisfactory use to these patients. Armrests, seat width, and an adjustable sitting height were found to be important features of a portable folding chair. One chair was selected by 11 of 13 patients to fit most needs.
    Keywords: Aerospace Medicine
    Type: Clinical autonomic research : official journal of the Clinical Autonomic Research Society (ISSN 0959-9851); Volume 9; 6; 341-4
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  • 5
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    In:  CASI
    Publication Date: 2006-01-11
    Description: The Apollo 17 infrared scanning radiometer (ISR) experiment for mapping lunar surface thermal emission is reported. The instrument, lunar surface coverage, and the data obtained are discussed.
    Keywords: GEOPHYSICS
    Type: Apollo 17 Prelim. Sci. Rept.; 6 p
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  • 6
    Publication Date: 2006-10-26
    Description: Organization of nasa and office of manned space flight to accomplish exploration of space
    Keywords: AERODYNAMICS
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  • 7
    Publication Date: 2004-12-03
    Keywords: unknown
    Type: NACA 1957 FLIGHT PROPULSION CONF. 1957; P 37-52
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  • 8
    Publication Date: 2006-06-01
    Description: The results of radio frequency interference tests and the derived telemetry bit SNR degradation model, which includes the telemetry data rate and the telemetry data power as independent variables for characterizing the continuous wave interference effects on telemetry data, are presented. The telemetry bit SNR degradation model was implemented in the second version of the Deep Space Interference Prediction software.
    Keywords: SPACE COMMUNICATIONS, SPACECRAFT COMMUNICATIONS, COMMAND AND TRACKING
    Type: The Deep Space Network; p 204-215
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  • 9
    Publication Date: 2006-02-14
    Description: A new approach to infrared detector readout has appeared with the development of integrating JFET amplifiers. This brief progress report includes results on the operation of commercially available devices at a temperature of 40 K, on their sensitivity and on an effort to develop a new JFET with properties optimized for cryogenic applications. Even with presently available devices it will be shown that for applications such as the Space Infrared Telescope Facility (SIRTF), the most strigent sensitivity requirements of noise currents as low as 1 electron/sec in less than 100 seconds of integration can be met.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA. Ames Research Center Proceedings of the Second Infrared Detector Technology Workshop; 9 p
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  • 10
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    In:  CASI
    Publication Date: 2006-02-14
    Description: Some ideas in the theoretical study of force-free magnetic fields and magnetostatic fields, which are relevant to the effort of using magnetograph data as inputs to model the quasi-static, large-scale magnetic structures in the solar atmosphere are discussed. Basic physical principles will be emphasized. An attempt will be made to assess what we may learn, physically, from the models based on these ideas. There is prospect for learning useful physics and this ought to be an incentive for intensifying the efforts to improve vector magnetograph technology and to solve the basic radiative-transfer problems encountered in the interpretation of magnetograph raw data.
    Keywords: SOLAR PHYSICS
    Type: NASA. Marshall Space Flight Center Meas. of Solar Vector Magnetic Fields; p 49-65
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