A study of rehabilitation counselors: Locus of control and attitudes toward the poor.

Studied the interrelationships among locus of control, attitudes toward the poor, attitudes toward the supervisor, job satisfaction, and the performance ratings of 90 practicing rehabilitation counselors (mean age 36 yrs). Ss were surveyed with a battery of attitude questionnaires, including Rotter's Internal-External Locus of Control Scale and the MacDonald Poverty Scale. Results indicate that Ss with an internal orientation had more positive attitudes toward the poor than Ss with an external orientation. It was further observed that internally oriented Ss received higher performance ratings than the externally oriented. Internal orientation was associated with higher job morale, greater job satisfaction, and more positive attitudes toward supervisors. Implications of the findings are discussed in the context of client-counselor relationships and of the consequence that these data may have in counselor preservice and inservice training. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

On the computation of Hermite interval interpolating polynomials

Two algorithms for the computation of Hermite interval interpolating polynomial have been proposed, one of which is recommended for fast computation and the other for obtaining the most accurate results.     

Optimum architecture for input queuing ATM switches

An input queueing ATM switch architecture employing the contention resolution called 'scheduling algorithm' is described. A high efficiency of over 90% can be achieved without any considerable increase in the amount of hardware or contention control speed.<>     

Color nonuniformity in projection-based displays: analysis and solutions

Large-area displays made up of several projectors show significant variation in color. Here, we identify different projector parameters that cause the color variation and study their effects on the luminance and chrominance characteristics of the display. This work leads to the realization that luminance varies significantly within and across projectors, while chrominance variation is relatively small, especially across projectors of same model. To address this situation, we present a method to achieve luminance matching across all pixels of a multiprojector display that results in photometrically uniform displays. We use a camera as a measurement device for this purpose. Our method comprises a one-time calibration step that generates a per channel per projector luminance attenuation map (LAM), which is then used to correct any image projected on the display at interactive rates on commodity graphics hardware. To the best of our knowledge, this is the first effort to match luminance across all the pixels of a multiprojector display.     

Understanding the influence of anti-reversion agent and metal oxide dose on natural rubber–carbon black system

Sulfidic linkages that are formed during the vulcanization process of natural rubber (NR) are unstable at a higher temperature and can be reversed into conjugated diene. To overcome such issue and to build a compound that is hostile to inversion and with increasing service life, anti-reversion agent (ARA), for example, N,N′-4,4′-diphenylmethyene bismaleimide (BMDM), is added into the formulation. This work explains the conjugation reaction mechanism of conjugated diene and BMDM by means of gas chromatography–mass spectrometry and Fourier transform infrared spectroscopy. The first phase of this study is associated with the change in ARA dosage keeping ZnO dosage the same. It is observed that 5 phr of BMDM and 2 phr ZnO combination (ARA4) shows lowest reversion at 160°C. The modulus value at 300% elongation increased 12% by the incorporation of BMDM as compared to the compound of no BMDM (ARA1). The second part is all about keeping BMDM dosage the same at 5 phr level and varying ZnO phr by 3, 4, and 5. From the overall results, it is observed that at a suitable dosage of BMDM and ZnO (5 phr BMDM and 3 phr ZnO combination [ARA5]), least reversion can be achieved and vulcanizates containing optimized BMDM and ZnO show better retention properties after aerobic aging as compared to ARA1.     

Design and of analysis of SPDT Ohmic RF MEMS switch

Microsystem Technologies - This paper reports on the simulation and analysis of Ohmic SPDT (single pole double throw) switch for telecommunication application. A comparative study is performed by...     

Hydrogen sensing characteristics of nano-crystalline Mg0.5Zn0.5Fe2O4 thin film: Effect of film thickness and operating temperature

To yield stable base resistance and reproducible sensing characteristics, thin film based sensors are considered superior than particulate Taguchi type sensor. The sensing characteristics of ferrite based thin film sensor have hardly been reported in literature. In the present work, the hydrogen sensing characteristics of magnesium zinc ferrite thin film sensor is reported by varying the film thickness, test gas concentration and sensor operating temperature. These thin films were deposited on alumina substrate by sol–gel spin coating route. X-ray diffraction analyses and electron microscopy images of the thin film confirm the nano-crystalline nature of these films. It is reported that the film thickness plays a major role to control the gas sensing characteristics of the deposited films.