234 research outputs found

    The Si ribbon crystal for the solar battery using the horizontal pull method

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    A method utilizing a device to spray noble gases to cool the site of silicon crystal growth is described. The salient points are: (1) soft and uniform cooling was possible, (2) the length of the boundary surface of growth along the growth direction was made long over a wide width compared to the thickness, and (3) this made it possible to effectively remove the heat produced from solification. By using forced gas spraying on the solution surface in contact with the points of crystal growth, growth at the points of growth is enhanced and the rate of growth is speeded up

    Factors related to hospital nurse intention to leave: Does striving for work-life balance and sense of coherence affect wishes to stay in the organization?

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    The aim of this study is to identify relationships between striving for work-life balance (S-WLB), sense of coherence (SOC), and intention to leave among hospital nurses. In August of 2017, we conducted a self-administered questionnaire survey to 2239 nurses at nine public hospitals. The questionnaire included demographic factors, work environmental factors, organizational factors, striving for worklife balance, a 13-item SOC, the Maslach Burnout Inventory, and intention to leave. We carried out a multiple regression analysis with intention to leave as the dependent variable and others as independent variables. We obtained valid responses from 1368 full-time employed nurses (61.1%). The mean age of respondents was 36.38 ± 10.18 years, and the length of clinical experience 13.4 ± 9.65 years. The mean total score of the intention to leave was 14.58 ± 5.09. As a result of the multiple regression analysis, the SWLB and the SOC were found to be statistically related to the intention to leave even after controlling for the confounding factor of burnout. In addition, the satisfaction of desire level for the actual working assignment at the workplace was a significant independent factor. In this study, the full-time nursing staff had a low intention to leave score when they had a high score in the SWLB and the SOC. It was also found that the level of satisfaction with appointment to a desired assignment is a significant factor in the intention to leave. In establishing an attractive workplace for nursing staff, it is important to create a workplace environment and supports to be able to properly evaluate workplace satisfaction after assignments are made while taking into account individual S-WLB and SOC functions

    Fluctuation-Driven First-Order Transition in Pauli-limited d-wave Superconductors

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    We study the phase transition between the normal and non-uniform (Fulde-Ferrell-Larkin-Ovchinnikov) superconducting state in quasi two-dimensional d-wave superconductors at finite temperature. We obtain an appropriate Ginzburg-Landau theory for this transition, in which the fluctuation spectrum of the order parameter has a set of minima at non-zero momenta. The momentum shell renormalization group procedure combined with dimensional expansion is then applied to analyze the phase structure of the theory. We find that all fixed points have more than one relevant directions, indicating the transition is of the fluctuation-driven first order type for this universality class.Comment: 5 page

    Management of Volunteer Activities among Elderly Persons

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    Purpose: Volunteer activities in Japan may be expected to result in a variety of effects on health conditions and social contributions of the elderly depending on the degree of their activity participation. This study aims to identify differences in the health conditions and social contributions of the elderly in relation to the degree of volunteer activity participation, and determine what effective support can be provided for these elderly persons. Further, focusing on the differences in the level of activity of the elderly persons in volunteer activities, we discuss the effect of management through SWOT analysis from the perspectives suggested by the Balanced Scorecard (BSC), which is a performance management tool. Participants and Methods: The participants are elderly persons participating in volunteer activities, living in municipal housing owned by the Kumamoto prefecture in Japan. We classified the participants into an active group who contributed to the raising of funds for activities, and a non-active group. We conducted group interviews with the volunteers, organized interview data on the thoughts of the two groups according to the five perspectives of the balanced score card (BSC) management tool: (1) learning and development, (2) participants, (3) financial matters, (4) process of conducting activities, and (5) social contributions, and conducted a Strength-Weakness-OpportunityThreat (SWOT) analysis. In the SWOT analysis internal factors are distinguished into strengths and weaknesses, and external factors into opportunities and threats. Combining the internal and external factors, problems were extracted from the perspective of a positive strategy (S+O: strength + opportunity), a differentiation strategy (S+T: strength L threat), a stepwise strategy (W+O: weakness + opportunity), and a defensive strategy (W+T: weakness + threat). Then, we confirmed the main results by identifying the major factors in success to achieve salient aims, activity goals, and specific measures from the five perspectives provided by the BSC. Results: When comparing thestrengths of the two groups, the active group showed the following characteristics in the information collecting: more variety in the collected information (perspective of learning and development), ease of obtaining information of potential volunteers (perspective of participants), knowledge of how to raise funds (perspective of financial matters), and being physically more active and knowledgeable of the local community (perspective of social contributions).From the perspective of the process of conducting activities, both groups place importance on the relations among people. For weaknesses, and from the perspective of learning and development, the active group had difficulty in maintaining their motivation, and from the perspective of financial matters this group had difficulties in securing funds. From the perspective of social contributions, the non-active group depended on the active members. From the perspective of participants, both groups experienced a decline in physical function with age, and from the perspective of the process of activities there was a possibility that family or individual circumstances make it difficult to participate in all activities. In the SWOT analysis, combining the internal and external factors, we evaluated the directionality of volunteer activities from the five perspectives of the BSC. From the perspective of learning and development, regardless of the differences in the level of activity of the elderly persons in the volunteer activities, the volunteer members conducted a signature-collecting campaign to call for continuing volunteer activities for residents among those in their surroundings, and this made it possible to continue volunteer activities. From the perspective of the process of conducting activities, regardless of the differences in the level of activity of the elderly persons in the volunteer activities, the volunteer members became active in making remarks, and started to assume roles voluntarily. From the perspective of financial matters, the volunteer members were able to obtain donations for volunteer activities from neighboring establishments, as well as financial support from the social welfare council, by applying for subsidies for activities. From the perspective of participants, the number of new members increased through word of mouth spread by the existing membership. From the perspective of social cost, there was a remark that “I would like my schedule to be full of enjoyable events so that I become too busy to go to the hospital”, and in fact some members did reduce the frequency of hospital visitsDiscussion: Participants in this study are members of a volunteer group of elderly persons voluntarily formed in a regional city in Kumamoto prefecture where the elderly population accounts for 25.7% and is expected to increase. It appears that there is a self- and mutual- help relationship between active and non-active members where non-active members rely on the active members who assist the non-active members to be in harmony with the volunteer activities led by the active members, and that this relationship helps maintain independent lives. For the strengths, active members were able to collect more information from the perspective of learning and development, and contributed more through physical activity from the perspective of social contributions. It can be inferred that physically more active elderly persons are in a situation where they remain able to use their cognitive functions to collect information. For the weaknesses, the active members experienced loss of motivation. This may be due to the possibility that active members feel it a burden to assist non-active members. We wish to conduct further studies to understand how to maintain and improve motivation. The results of the SWOT analysis from the perspectives suggested by the BSC showed that there are differences in health conditions and social contributions of the elderly depending on the participation in volunteer activities, and what types of support from health services can be expected to be effective. This study evaluated the achievements of the volunteer activity goals of elderly persons by identifying the details of volunteer activities and quantifying the goals. The elderly members began to seek for new ideas to achieve better results when they were convinced that there were favorable results of their activities. This suggests that the PDCA cycle in volunteer activities may work by effecting empowerment in the process of BSC.

    Development of the Children's Response Test for assessment and effect measurement

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    This study examined the reliability and validity of the CSR test. The study was composed of 905 children. Children's ages ranged 9 to 18. In the study, the authors examined the reliability of the correlations within the CSR by using Cronbach's alpha coefficient. The authors also looked at the validity of the CSR by studying the correlations between the CSR and PSI. In doing so, the found three factors. The Cronbach's alpha for the first factor was 0.87, the second factor was 0.82, and the third factor was 0.73. When the domains were compared with established outcome measures, the correlations were extremely to strong (r=0.39?0.86). In addition, the participation domain was most strongly associated with PSI. There is therefore a high degree of reliability and validity for the PSI, which means that the CSR has a high degree of clinical usability

    Structure of the Fulde-Ferrell-Larkin-Ovchinnikov state in two-dimensional superconductors

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    Nonuniform superconducting state due to strong spin magnetism is studied in two-dimensional type-II superconductors near the second order phase transition line between the normal and the superconducting states. The optimum spatial structure of the orderparameter is examined in systems with cylindrical symmetric Fermi surfaces. It is found that states with two-dimensional structures have lower free energies than the traditional one-dimensional solutions, at low temperatures and high magnetic fields. For s-wave pairing, triangular, square, hexagonal states are favored depending on the temperature, while square states are favored at low temperatures for d-wave pairing. In these states, orderparameters have two-dimensional structures such as square and triangular lattices.Comment: 11 pages (LaTeX, revtex.sty), 3 figures; added reference
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