Spray pyrolysis of CuInSe2 and related ternary semiconducting compounds

CuInSe₂ and related compounds and alloys, which are promising for solar cell applications, were produced in thin polycrystalline sphalerite structure layers by spray pyrolysis in both p- and n-type forms with various resistivities. Complete sphalerite structure solid solution is indicated for the entire four-component system CuGaS₂-CuInS₂-CuInSe₂-CuGaSe₂ which suggests the possibility of tailoring properties such as lattice parameter, energy gap and conductivity type to produce heterojunctions suitable for low cost solar cells by spray pyrolysis.     

Psychosocial factors affecting the employment of former vocational rehabilitation clients.

Analyzed questionnaires completed by 211 former vocational rehabilitation (VR) clients (aged 15–61 yrs) 2 yrs after case closure for a clarification of the psychosocial factors that affect vocational adjustment. Questionnaires assessed employment status and problems, sources of income/financial status, health, and job satisfaction (for employed Ss only). WAIS Full Scale IQs were available for 195 Ss, and 120 Ss had completed the 16PF—Form E. Results show that the primary criteria of vocational adjustment (employment, job satisfaction, and persistence in looking for work) were associated with better self-appraised physical and mental health, greater perceived family support in seeking employment, more optimism about employment prospects, and attribution of the problem source to the environment. These variables suggest useful points for intervention by VR practitioners. (5 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Attention structure, sociometric status, and dominance: Interrelations, behavioral correlates, and relationships to social competence.

To evaluate the interrelationships and external correlates of 3 potential measures of social competence (SC), a preschool class of 22 4-yr-olds was observed during free play throughout 1 school year. Ranks based on distribution of visual regard among peers, sociometric scores, and competitive dominance interactions were derived from data collected during each term. In addition, observations of play behavior and of aggression were collected throughout the year. Attention rank and sociometric scores were highly correlated and were substantially stable across terms. Dominance was not strongly related to attention rank or to sociometric scores and was less stable across time. The stability of the play and aggression data varied from category to category as did relationships between these categories and the status measures. Evidence demonstrates that attention rank is related to SC and is not a function of disruptive behavior, activity level, or proximity to adults. A relationship was also found between visual regard among peers and the social structure of the preschool play group. It is suggested that SC, broadly conceived, is a more salient basis for social organization among preschool peers than either the distribution of attention per se or competition/dominance relationships. (37 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Further thoughts on the National Board of Examiners in Psychology.

Responds to comments by N. L. Berg (1973) on B. Coates's (1973) proposal for a National Board of Examiners in Psychology. Coates defends this proposal by stating that such a board would be useful in providing national standards and examinations for licensing the PhD in psychology. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

The complete analysis of the polyorganosiloxanes formed by the trimethylsilylation of the minerals olivine and suzorite

Methods are reported for the separation and complete quantitative estimation of the polyorganosiloxanes prepared by the trimethylsilylation of mineral silicates. Quantitative methods for the determination of low molecular weight oligomers up to Q₆M₁₂ (Q≡SiO_4/2; M≡(CH₃)₃SiO_1/2) are well known but there are no previously reported methods for the determination of high molecular weight species. This paper describes the application of gel permeation chromatography and quantitative high performance liquid chromatography to the study of these higher molecular weight species. Polyorganosiloxanes prepared from suzorite (a phlogopite) and from olivine (an orthosilicate) are used as examples. A further example is a study of the formation of higher molecular weight species on heating these polymers.     

Dogmatism and acquiescent response set.

"This study was designed to test the hypothesis that Rokeach's Dogmatism Scale [1960], structurally identical to the F scale, is similarily vulnerable to acquiescent response bias." Administration of acquiescent response scales, the F Scale, and the Dogmatism scale to a population of adult neurotics revealed a high intercorrelation, which supports the hypothesis. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

A Multimedia Application for Teaching Design for Manufacturing

This paper describes the interactive multimedia injection molding tutor developed at the University of Massachusetts Amherst. The purpose of the tutor is to use visually stimulating animations in order to enable the user, a student or anyone not familiar with the process of injection molding, in understanding the relationship between part design and the ease or difficulty of producing the part. Preliminary evaluations indicate that the tutor can be successful in achieving these objectives.     

Phase separation in non-solvent/dimethylformamide/polyethersulphone and non-solvent/dimethylformamide/polysulphone systems

The cloud point curves for the ternary solutions non-solvent/dimethyl-formamide/polyethersulphone and non-solvent/dimethylformamide/polysul-phone were determined by a titration technique, at 303 K. In both systems the following order of increasing non-solvent content at the cloud point was obtained: water < methanol < ethanol < 1-propanol < acetone < carbon tetrachloride. For each non-solvent the cloud point curve for the PES system occurred at higher non-solvent concentrations than for the corresponding PSN system.