6,439 research outputs found
Estimating the demand for union-led learning in Scotland
The evidence contained here is the first comprehensive and formal statistical analysis of demand for union-led learning in Scotland or the UK. A high degree of consistency of outcome resulted from each of the data sources used. This provides reliable evidence that there is considerable current demand and latent demand for union-led learning in Scotland, and that increased union activity in this area is likely to further stimulate demand. Any expansion of union-led learning would, of course, place additional learning demands on ULRs and would highlight further the need for them to be appropriately supported by unions and employers
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Evidence that indirect inhibition of saccade initiation improves saccade accuracy
Saccadic eye-movements to a visual target are less accurate if there are distracters close to its location (local distracters). The addition of more distracters, remote from the target location (remote distracters), invokes an involuntary increase in the response latency of the saccade and attenuates the effect of local distracters on accuracy. This may be due to the target and distracters directly competing (direct route) or to the remote distracters acting to impair the ability to disengage from fixation (indirect route). To distinguish between these we examined the development of saccade competition by recording saccade latency and accuracy responses made to a target and local distracter compared with those made with an addition of a remote distracter. The direct route would predict that the remote distracter impacts on the developing competition between target and local distracter, while the indirect route would predict no change as the accuracy benefit here derives from accessing the same competitive process but at a later stage. We found that the presence of the remote distracter did not change the pattern of accuracy improvement. This suggests that the remote distracter was acting along an indirect route that inhibits disengagement from fixation, slows saccade initiation, and enables more accurate saccades to be made
Inertial measurement unit pre-processors and post-flight STS-1 comparisons
The flight results show that the relative tri-redundant Inertial Measurement Unit IMU performance throughout the entire entry flight was within the expected accuracy. Comparisons are presented which show differences in the accumulated sensed velocity changes as measured by the tri-redundant IMUs (in Mean Equator and Equinox of 1950.0), differences in the equivalent inertial Euler angles as measured with respect to the M50 system, and finally, preliminary instrument calibrations determined relative to the ensemble average measurement set. Also, differences in the derived body axes rates and accelerations are presented. Because of the excellent performance of the IMUs during the STS-1 entry, the selection as to which particular IMU would best serve as the dynamic data source for entry reconstruction is arbitrary
Scale-up chemical synthesis of thermally-activated delayed fluorescence emitters based on the dibenzothiophene-S,S-dioxide core
We report a procedure to linearly scale-up the synthesis of 2,8-bis(3,6-di-tert-butyl-9H-carbazol-9-yl)dibenzothiophene-S,S-dioxide (compound
4) and 2,8-bis(10H-phenothiazin-10-yl)dibenzothiophene-S,S-dioxide (compound 5) using Buchwald-Hartwig cross-coupling reaction conditions.
In addition, we demonstrate a scaled-up synthesis of all non-commercially available starting materials that are required for the amination crosscoupling
reaction. In the present article, we provide the detailed synthetic procedures for all of the described compounds, alongside their spectral
characterization. This work shows the possibility to produce organic molecules for optoelectronic applications on a large scale, which facilitates
their implementation into real world devices
Polythiophene and oligothiophene systems modified by TTF electroactive units for organic electronics
The aim of this review is to give an update on current progress in the synthesis, properties and applications of thiophene-based conjugated systems bearing tetrathiafulvalene (TTF) units. We focus mostly on the synthesis of poly- and oligothiophenes with TTF moieties fused to the thiophene units of the conjugated backbone either directly or via a dithiin ring. The electrochemical behaviour of these materials and structureâproperty relationships are discussed. The study is directed towards the development of a new type of organic semiconductors based on these hybrid materials for application in organic field effect transistors and solar cells
Formulation of additional observables for ENTREE
The S-band X and Y angles, SAMS, and TACAN range and bearing were incorporated into the ENTREE software for use by experimenters at LaRC for entry trajectory reconstruction purposes. Background discussions present the need for this added capability. Formulations for the various observables are presented. Both north-south and east-west antenna mounts were provided for in the S-band angle computations. Sub-vehicle terrain height variations are included in the SAMS model. Local magnetic variations were incorporated for the TACAN bearing computations. Observable formulations are discussed in detail along with the partial computations
The evolution of electron density and temperature distributions in the topside ionosphere during magnetic storms
The latitudinal distributions of electron density and temperature during geomagnetic storms in the mid-latitude topside ionosphere are observed to change in a manner than can be related to the evolution of ring current particle populations. The region of auroral precipitation is characterized by correlated increases in electron temperature and density. Equatorwards of this region, there is a broad belt of elevated electron temperatures and depressed electron densities which is usually much broader than any stable auroral red arc distinguishable from the ground, but which is nevertheless the same basic physical phenomenon. The changes of position of this belt can be related to prior bursts of geomagnetic activity and injection of ring current particles into the magnetosphere
Spiral groove face seal development for SNAP 8 Final report, 31 May 1968 - 7 Aug. 1970
Spiral groove face seal development for SNAP
Occupational pay comparisons: Easier said than done?
Purpose - The article aims to analyse the challenges in undertaking occupational pay comparisons and why this matters for evidence-based reward management, union bargaining strategies and perceptions of pay equity.
Design/methodology/approach - The paper draws on the extant literature on pay and undertakes detailed quantitative analysis of teachers pay in Scotland relative to teachers elsewhere in the UK, graduates and other professional occupations in the private and public sectors.
Findings - The key finding of this article is that alternative ways of analysing pay comparability produce significantly different outcomes â occupational pay comparisons require the identification of an appropriate comparator and appropriate measures of pay and hours, yet this is not straightforward. Different approaches to comparability may lead to key stakeholders holding widely differing views about pay equity, with employment relations implications.
Research limitations/implications - Quantitative analyses of pay using large scale survey data are crucial to understanding relative occupational pay. However, quantitative analyses cannot provide in-depth and nuanced understanding of the nature of particular occupations. Moreover, the paper focuses at the occupational level and does not assess individual employee characteristics that may influence pay.
Practical implications - These findings should inform employers (especially HR managers), employees and unions on pay policy, pay settlements and bargaining strategies.
Originality/value - There is relatively little contemporary literature on the importance of, and challenges in undertaking, occupational pay comparisons
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