4,581 research outputs found
Performance Pressure and Resource Allocation in Washington
Based on interviews with state, district, and school officials, explores how performance pressures have changed resource allocation decisions. Examines reform goals and how Washington's finance system impedes efforts to link resources to student learning
Thin n-i-p radiation-resistant solar cell feasibility study
Silicon solar cells were fabricated to verify the predictions that: (1) thin n(+)pp(+) cells can provide high values of open circuit voltage even when high resistivity base material ( 1000 omega-cm) is used; (2) cells with good p(+) back contacts will display an increase in open circuit voltage with decreasing cell thickness; and (3) high quality, thin, high resistivity, solar cells can be made using processing compatible with conventional practice. Analysis of I-V and spectral response measurements of these cells confirmed theoretical predictions and thereby pointed to voltages beyond the near 600 mV obtained in this study
A Quasi-Global Presentation of TIROS III Radiation Data
The TIROS III meteorological satellite was equipped with a five-channel medium resolution radiometer to measure the reflected solar radiation as well as the infrared emission of the earth-atmosphere system in five different spectral regions (Reference 1). According to the initial design of this radiation experiment, one of the most useful applications of the infrared measurements was to be the derivation of day and nighttime cloudiness from Channel 2, which was sensitive within the atmospheric "window" region (8 to 12 microns). Several authors already have demonstrated and discussed the principal usefulness of these data for this particular purpose (References 2, 3, and 4). This present study was performed to investigate and demonstrate the utility of the TIROS radiation data for global synoptic analyses
The Temporality of Mediacy: The Time of Narrators in Short, First-Person Fiction.
This study outlines a new theory of time in first-person narrative fiction based on the concept mediacy. By applying a phenomenological understanding of time to narrators of first-person fiction, the study draws a distinction between narration and narratization. Narration refers to the narrative act, the act of telling. This study contends that although a literary narrative may serve as record of past events, it is primarily a notation of the narrative act. The narrative act is a unified experience that exhibits a structure of beginning, middle, and end, which is notated in a literary text. A narratization, in contrast, refers to the extended temporal field in which the narrator orients himself/herself. Unlike narration, which is recorded in a literary text, narratization usually is only implied by the narration. During a narrative act, which is a basic action, the narrator orients himself/herself on the basis of some envisioned future that s/he hopes to achieve, partly through the act of telling. On the basis of that envisioned future, the narrator determines the actions s/he needs to take to achieve that future. The narrative act, then, is constructed in part on the basis of the futural dimension of the expansive temporal field, which is configured by the narrator in the act of telling. This study differs from traditional analyses of time in narrative in that it recognizes a futural orientation on the part of the narrator, or mediator, who is engaged in a narrative act, in addition to his/her orientations toward the past and the present. This study recognizes that the narrative act, of which literary narrative is a record, is a dialectic between past and future. The implications of this theory of time in narrative are explored in analyses of short stories by Cynthia Rich, Lee Smith, and Raymond Carver
Employee Protection and the Regulation of Public Utilities: Mergers, Consolidations, and Abandonment of Facilities in the Transportation Industry
Atomic and Molecular Absorption in Redshifted Radio Sources
We report on a survey for associated HI 21-cm and OH 18-cm absorption with
the Giant Metrewave Radio Telescope at redshifts z = 0.2-0.4. Although the low
redshift selection ensures that our targets are below the critical ultra-violet
luminosity, which is hypothesised to ionise all of the neutral gas in the host
galaxy, we do not obtain any detections in the six sources searched. Analysing
these in context of the previous surveys, in addition to the anti-correlation
with the ultra-violet luminosity (ionising photon rate), we find a correlation
between the strength of the absorption and the blue -- near-infrared colour, as
well as the radio-band turnover frequency. We believe that these are due to the
photo-ionisation of the neutral gas, an obscured sight-line being more
conducive to the presence of cold gas and the compact radio emission being
better intercepted by the absorbing gas, maximising the flux coverage,
respectively. Regarding the photo-ionisation, the compilation of the previous
surveys increases the significance of the critical ionising photon rate, above
which all of the gas in the host galaxy is hypothesised to be ionised, to >5
sigma. This reaffirms that this is an ubiquitous effect, which has profound
implications for the detection of neutral gas in these objects with the Square
Kilometre Array.Comment: Accepted by MNRA
Assessing Transformation of Optimizing Ambulatory Surgery Center Services with Telehealth
Background: As technology advances and the ability to provide adequate and convenient surgical procedures improves; the usage of telehealth resources in an Ambulatory Surgery Center setting are evermore capable. The current environment of Ambulatory Surgery Center’s provides a baseline of support to alleviate main operating volume and to absorb more of the outpatient procedures with support from technology and telehealth. Objective: To understand how the telehealth abilities can enhance the efficiency and scope of service of Ambulatory Surgery Centers. To explore if telehealth resources can be utilized to strengthen, improve, and combine tasks that delay progress in the current model. To examine if as telehealth infuses with modern medicine, do the abilities make manual tasks obsolete given the transparent capabilities of telehealth resources. Methods: Utilizing a Value System Map (VSM) model to examine the current state of an Ambulatory Surgery Center, highlights in process delays are discussed and substituted in a later, future state model. Through displaying current vs. future state, areas of improvement are highlighted that provide areas of improvement in an Ambulatory Surgery Center setting. Results: In highlighting workflows with Ambulatory Surgery Center procedures, telehealth substitutions of current manual processes show promising improved efficiency with proper technology. Conclusion: The utilization of telehealth in place of current Ambulatory Surgery Center processes has begun due to recent pandemic of COVID-19; in which support from telehealth capabilities have supported growth in the ASC setting for more comprehensive usages when used accordingly with corresponding telehealth resources
On-Chip Cavity Optomechanical Coupling
On-chip cavity optomechanics, in which strong co-localization of light and
mechanical motion is engineered, relies on efficient coupling of light both
into and out of the on-chip optical resonator. Here we detail our particular
style of tapered and dimpled optical fibers, pioneered by the Painter group at
Caltech, which are a versatile and reliable solution to efficient on-chip
coupling. First, a brief overview of tapered, single mode fibers is presented,
in which the single mode cutoff diameter is highlighted. The apparatus used to
create a dimpled tapered fiber is then described, followed by a comprehensive
account of the procedure by which a dimpled tapered fiber is produced and
mounted in our system. The custom-built optical access vacuum chambers in which
our on-chip optomechanical measurements are performed are then discussed.
Finally, the process by which our optomechanical devices are fabricated and the
method by which we explore their optical and mechanical properties is
explained. It is our expectation that this manuscript will enable the novice to
develop advanced optomechanical experiments.Comment: 31 pages, 9 figure
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