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  • 1
    Publication Date: 2023-10-05
    Description: Describes the response of state and local health departments to outbreaks of Severe Acute Respiratory Syndrome (SARS), monkeypox, West Nile virus, and hepatitis A that took place from 1999 to 2003. In general, public health agencies demonstrated a robust ability to implement the major components of response to a public health emergency. Researchers found that the most pervasive problem involved communication difficulties within public health agencies and with public health partners.
    Keywords: Health Sciences ; Sociology ; bic Book Industry Communication::M Medicine::MB Medicine: general issues::MBN Public health & preventive medicine::MBNS Epidemiology & medical statistics ; bic Book Industry Communication::M Medicine::MB Medicine: general issues::MBN Public health & preventive medicine ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes::JFFH Illness & addiction: social aspects
    Language: English
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  • 2
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    RAND Corporation
    Publication Date: 2024-03-29
    Description: The summary discusses some of the greatest disparities for boys and men of color relative to their white counterparts across specific socioeconomic, health, safety, and school readiness indicators in California and provides information about different strategies for reducing the disparities--including effective programs, practices, and policies--that can begin making an important difference in changing the life course of boys and men of color.
    Keywords: Sociology ; Health Sciences ; Education ; bic Book Industry Communication::J Society & social sciences::JN Education::JNF Educational strategies & policy ; bic Book Industry Communication::M Medicine::MB Medicine: general issues::MBQ Medicolegal issues ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSP Age groups::JFSP1 Age groups: children ; thema EDItEUR::J Society and Social Sciences::JN Education::JNF Educational strategies and policy ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBQ Medicolegal issues ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBS Social groups, communities and identities::JBSP Age groups and generations::JBSP1 Age groups: children
    Language: English
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  • 3
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    RAND Corporation
    Publication Date: 2024-03-29
    Description: The Los Angeles area has the most severe traffic congestion in the United States. Trends in many of the underlying causal factors suggest that congestion will continue to worsen in the coming years, absent significant policy intervention. Excessive traffic congestion detracts from quality of life, is economically wasteful and environmentally damaging, and exacerbates social-justice concerns. Finding efficient and equitable strategies for mitigating congestion will therefore serve many social goals. The authors recommend strategies for reducing congestion in Los Angeles County that could be implemented and produce significant improvements within about five years. To manage peak-hour auto travel, raise transportation revenue, improve alternative transportation options, and use existing capacity more efficiently, they recommend 10 primary strategies: improve signal control and timing; restrict curb parking on busy thoroughfares; implement paired one-way streets; promote ride-sharing, telecommuting, and flexible work schedules; develop a high-occupancy toll-lane network; vary curb-parking rates with demand, enforce the current parking cash-out law; promote deep-discount transit passes; expand bus rapid transit and bus-only lanes; and implement a regionally connected bicycle network. In addition, three recommendations may help, depending on the outcome of current events: evaluate arterial incident management, consider cordon congestion tolls, and levy local fuel taxes to raise transit revenue. Given that some of the recommendations may prove controversial, the authors also outline complementary strategies for building political consensus.
    Keywords: Sociology ; Education ; Health Sciences ; bic Book Industry Communication::J Society & social sciences::JN Education::JNF Educational strategies & policy ; bic Book Industry Communication::M Medicine::MB Medicine: general issues::MBQ Medicolegal issues ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSP Age groups::JFSP1 Age groups: children ; thema EDItEUR::J Society and Social Sciences::JN Education::JNF Educational strategies and policy ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBQ Medicolegal issues ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBS Social groups, communities and identities::JBSP Age groups and generations::JBSP1 Age groups: children
    Language: English
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  • 4
    Publication Date: 2024-03-31
    Description: Examines the health care needs of newly released California prisoners; the communities most affected by reentry and the health care safety net of those communities; the critical roles that health care providers, other social services, and family members play in successful reentry; and the effects of reentry on the children and families of incarcerated individuals. Recommends how to improve access for this population in the current fiscal environment.
    Keywords: Health Sciences ; Sociology ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBP Health systems and services ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBN Public health and preventive medicine ; thema EDItEUR::J Society and Social Sciences::JK Social services and welfare, criminology::JKV Crime and criminology
    Language: English
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  • 5
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    In:  CASI
    Publication Date: 2006-06-13
    Description: A discussion is presented on the coupling of computational analysis and experiment. It is believed that this coupling is critical in developing new aerodynamic insights. Additionally, new methods for analyzing and interpreting data are discussed. These methods need to be developed in small-scale research studies and then applied to large-scale technology programs. The specific objectives of this program are threefold: (1) provide definitive data sets for the assessment of numerical simulations to the Navier-Stokes equations; (2) incorporate advanced instrumentation to measure the spatial and temporal structure of fluid flows; and (3) develop true parallelism between computational and experimental research using the 'scientific workstation' concept. The discussion is presented in viewgraph form.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA CFD Validation Workshop; p 78-97
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  • 6
    Publication Date: 2011-08-24
    Description: The transition of an incompressible three-dimensional boundary layer with strong cross-flow is considered theoretically and computationally in the context of vortex/wave interactions. Specifically the work centers on two lower-branch Tollmien-Schlichting waves which mutually interact nonlinearly to induce a longitudinal vortex flow. The vortex motion in turn gives rise to significant wave modulation via wall-shear forcing. The characteristic Reynolds number is large and, as a consequence, the waves' and the vortex motion are governed primarily by triple deck theory. The nonlinear interaction is captured by a viscous partial-differential system for the vortex coupled with a pair of amplitude equations for each wave pressure. Following analysis and computation over a wide range of parameters, three distinct responses are found to emerge in the nonlinear behavior of the flow solution downstream: an algebraic finite-distance singularity, far-downstream saturation or far-downstream wave decay leaving pure vortex flow. These depend on the input conditions, the wave angles and the size of the cross flow.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Royal Society (London) Proceedings, Series A - Mathematical and Physical Sciences (ISSN 0962-8444); 446; 1927; p. 319-340
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  • 7
    Publication Date: 2011-08-19
    Description: The linear-stability theory of plane stagnation-point flow against an infinite flat plate is re-examined. Disturbances are generalized from those of Goertler type to include other types of variations along the plate. It is shown that Hiemenz flow is linearly stable and that the Goertler-type modes are those that decay slowest. This work then rationalizes the use of such self-similar disturbances on Hiemenz flow and shows how questions of disturbance structure can be approached on other self-similar flows.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Quarterly Journal of Mechanics and Applied Mathematics (ISSN 0033-5614); 44; 135-146
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  • 8
    Publication Date: 2011-08-19
    Description: The morphological stability of a rotating and solidifying disk is investigated under the assumption that delta, the thickness of the viscous boundary layer, is much larger than delta(c), the thickness of the solute boundary layer. It is found that axisymmetric disturbances with wavelengths comparable to delta respond to nonparallel flow effects and have stability characteristics quite different from disturbances in a parallel flow. These long waves are unstable because of the nonparallel flow and would decay without it. This analysis thus identifies a new mechanism of morphological change induced by flow.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Journal of Crystal Growth (ISSN 0022-0248); 87; 4, Ma; 385-396
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  • 9
    Publication Date: 2011-08-19
    Description: Long-wave instabilities in a directionally-solidified binary mixture may occur in several limits. Sivashinsky (1983) identified a small-segregation-coefficient limit and obtained a weakly nonlinear evolution equation governing subcritical two-dimensional bifurcation. Brattkus and Davis (1988) identified a near-absolute-stability limit and obtained a strongly nonlinear evolution equation governing supercritical two-dimensional bifurcation. The present investigation identifies a third strongly nonlinear evolution equation, arising in the small-segregation-coefficient, large-surface-energy limit. This equation links both of the former and describes the change from the sub- to super-critical bifurcations. This study sets the previous long-wave analyses into a logical framework.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: SIAM Journal on Applied Mathematics (ISSN 0036-1399); 50; 420-436
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  • 10
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    In:  Other Sources
    Publication Date: 2011-08-19
    Description: A binary liquid undergoes unidirectional solidification. The one-dimensional steady state is susceptible to morphological instability that causes the solid/liquid interface to change from a planar state to a cellular pattern. This paper examines the effects on this transition of volume-change convection, buoyancy-driven convection or forced flows. It emphasizes how flows alter stability limits, create scale and pattern changes in morphology, and create, through coupling, new instabilities. Emphasis is placed on the physical mechanisms of the interactions.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Journal of Fluid Mechanics (ISSN 0022-1120); 212; 241-262
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