Scattering from thin dielectric straps surrounding a perfectly conducting structure

A method to calculate the electromagnetic scattered fields from a dielectric strap wrapped around convex, conducting structure is presented. A moment method technique is used to find the current excited within the strap by the incident plane wave. Then, Uniform Geometrical Theory of Diffraction (UTD) is used to compute the fields scattered by the strap. Reasonable agreement was obtained between the computed and the measured results. The results found in this study are useful in evaluating straps as a target support structure for scattering measurements

Economic impacts of NSW water sharing plan rules on irrigated agriculture: a case study of Coopers Creek

A water sharing plan is a legal document prepared under the Water Management Act 2000 (WMA) in New South Wales (NSW). It establishes the rules for sharing water between the environment and entitlement holders, with the goal of simultaneously protecting water dependant ecosystems and providing certainty for water users. In NSW 49 water sharing plans have commenced to date and another 40 plans are due to be commenced within next two years covering all surface and groundwater systems. The WMA requires that due consideration be given to the socio-economic impacts of the water sharing rules during preparation and mid-term reviews of the plans. This paper presents the framework used to undertake socio-economic assessment of the impacts of water sharing rules and a case study of impact assessment. The NSW Office of Water (the Office) has used a staged methodological framework that is consistent with the socio-economic assessment guidelines for river, groundwater and water management committees developed by the Independent Advisory Committee on Socio-economic Analysis (IACSEA 1998). This framework is simple, relevant and cost effective. The case study presents socio-economic impact assessment of water sharing rules of the Coopers Creek Water Sharing Plan that commenced in 2004. The results of the case study indicate that the proposed rules could have significant negative or positive impacts on regional irrigated production and employment. This shows that proposals for environmental gains may result in substantial economic losses to the irrigators.Resource /Energy Economics and Policy,

Amicable Numbers With Patterns in Products and Powers

There are many ways of writing amicable numbers. One with divisions and sums. The other with pair of powers of each other. There is another way to represent is in product. In this paper, we brings amicable numbers in pairs in terms of products and powers. The idea of self-amicable is also introduced. Few blocks of symmetrical amicable numbers multiples of 10 are also given. Some interesting patterns among amicable numbers are also given

Triangular-Type Selfie Numbers

Numbers represented by their own digits by certain operations are considered as selfie numbers. There are many ways of writing selfie numbers, such as, numbers written in digit's order or its reverse just with basic operations. We can extend them by use of other operations, such as, factorial, square-root, Triangular numbers, Fibonacci sequence values, etc. In this work, the selfie numbers are written by use of triangular numbers in digit's order and reverse

Targeted Treatment of Differentiated and Medullary Thyroid Cancer

The incidence of thyroid cancer is increasing, with a concomitant increase in the number of patients with advanced and metastatic disease. Discoveries regarding the pathogenesis of thyroid cancer have led to the recent development of new therapeutic agents that are beginning to appear on the market. Many of these new agents are targeted kinase inhibitors primarily affecting oncogenic kinases (BRAF V600E, RET/PTC) or signaling kinases (VEGFR, PDGFR). Some of these agents report significant partial response rates, while others attain stabilization of disease as their best response. Their impact on survival is unclear. While these agents target similar pathways, a wide variety of differences exist regarding efficacy and side effect profile. Current expert opinion advises that these agents be used only in a specific subset of patients

Sex, Violence, and Drugs Among Latin American and Caribbean Adolescents : Do Engaged Parents Make a Difference?

This paper uses data from the Global School-based Student Health Survey to investigate the prevalence of health risk behaviors—in particular, substance use, risky sexual behavior, and violence—among adolescents in 15 Latin American and Caribbean countries. Using logit regressions and meta-analysis, we find that having parents engaged in raising their children is associated with significantly reduced problem behaviors in adolescents. That said, in the Caribbean the prevalence of health risk behaviors in adolescents is higher and engaged parents is lower than in Latin America, and the correlation between engaged parenting and reduced risk behaviors is generally weaker. Nonetheless, for both subgroups of countries, engaged parents do appear to make a difference

Experimental investigation of transient critical heat flux of water-based zinc–oxide nanofluids

Pool boiling experiments were conducted for sandblasted stainless steel (grade 316) plate heaters submerged in deionized (DI) water and water-based zinc–oxide nanofluid, for transient heat flux conditions with power through the heaters increasing quadratically with time. Heat flux in the experiments was increased from zero to CHF in short time frames of 1, 10 and 100 s. Consistent with previous studies, transient CHF for DI water was higher than steady state CHF, and CHF increased with decreasing duration of the transient. Additionally, it was observed that for nanofluid tests, a porous and hydrophilic nanoparticle layer started to deposit on the heater surface in short time frames of 10 and 100 s, and this layer was responsible for the enhanced CHF compared to DI water. However, for the 1 s tests, nanoparticle deposition did not occur and consequently the CHF was not enhanced. Finally, experiments with heaters pre-coated with nanoparticles were performed and it was found that CHF was enhanced for all transient durations down to 1 s, establishing firmly that the CHF enhancement occurs due to surface modifications by the deposited nanoparticles, and not by nanoparticles suspended in solution.AREVA Inc. Nuclear Parts Cente

A Pilot Study of Continuous Limited-Channel aEEG in Term Infants with Encephalopathy

ObjectiveTo evaluate the accuracy, feasibility, and impact of limited-channel amplitude integrated electroencephalogram (aEEG) monitoring in encephalopathic infants. Study design Encephalopathic infants were placed on limited-channel aEEG with a software-based seizure event detector for 72 hours. A 12-hour epoch of conventional EEG-video (cEEG) was simultaneously collected. Infants were randomly assigned to monitoring that was blinded or visible to the clinical team. If a seizure detection event occurred in the visible group, the clinical team interpreted whether the event was a seizure, based on review of the limited-channel aEEG. EEG data were reviewed independently offline. Results In more than 68 hours per infant of limited-channel aEEG monitoring, 1116 seizures occurred (>90% clinically silent), with 615 detected by the seizure event detector (55%). Detection improved with increasing duration of seizures (73% >30 seconds, 87% >60 seconds). Bedside physicians were able to accurately use this algorithm to differentiate true seizures from false-positives. The visible group had a 52% reduction in seizure burden (P = .114) compared with the blinded group. Conclusions Monitoring for seizures with limited-channel aEEG can be accurately interpreted, compares favorably with cEEG, and is associated with a trend toward reduced seizure burden