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:作为先进制造技术之一的高速切削技术是机械制造业发展的必然趋势 ,其应用将大幅度地提高加工效率和加工质量。高速切削技术不仅涉及到高速切削加工工艺及高速切削机理 ,而且包括高速切削所用的刀具、机床等诸多因素。本文着重介绍了高速切削各相关技术的研究动态 ,并对高速切削技术的应用前景进行了展望 相似文献
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This paper describes a support group for children, ages 9–13, whose mothers are living with the Human Immunodeficiency Virus (HIV). Beginning with identification of the need for, and purpose of the group, the paper describes the group recruitment, screening and intake process; group composition; group content and process; barriers to service and issues specific to facilitation of the group. The group provided support to children by increasing knowledge of HIV and Acquired Immunodeficiency Syndrome (AIDS) issues, providing a forum for expression of feelings and concerns regarding their parent's HIV status, improving communication skills, identifying and expanding coping strategies, and facilitating peer support for normalization and validation of fears and concerns. 相似文献
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Karel Van den Bosch Tim Callan Jordi Estivill Pierre Hausman Bruno Jeandidier Ruud Muffels John Yfantopoulos 《Journal of population economics》1993,6(3):235-259
This paper presents comparative results on poverty in seven countries and regions of the European Community: Belgium, The Netherlands, Luxembourg, Lorraine, Ireland, Catalonia and Greece. The data are obtained from comparable socio-economic surveys in each country. Subjective as well as relative poverty lines are used. The results indicate that the subjective poverty lines are plausible in a comparative context, although the levels of the subjective standards are rather generous. The estimated equivalence scales are much flatter than the one recommended by the OECD. The extent of poverty is much greater in the peripheral EC-countries than in the central ones. Though similar factors are found to be associated with poverty in all countries, there are also important differences in the characteristics of the poor across countries. The impact of social security transfers on poverty appears to be much smaller in the southern countries Greece and Catalonia, than in the Benelux and Lorraine. 相似文献
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de Barbaro B Drozdzowicz L Janusz B Gdowska K Dembińska E Kołbik I Furgał M 《Journal of marital and family therapy》2008,34(3):287-297
The aim of therapeutic help in marital crisis is to break the vicious circle of mutual hurtful accusations. The method that the authors present below involves a group of couples working within a closed cycle of meetings. In the course of successive group meetings, the various couples act as reflecting teams (RTs) for each other. This achieves two objectives: the couple recounting their crisis receives nonthreatening feedback, which helps them to implement positive changes and break out of the self-perpetuating destructive interaction. In addition, the couples acting as the RT learn nonjudgmental, nontheorizing and affirmative communication. 相似文献
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This national study of community-based addiction-treatment organizations' (CBOs) implementation of evidence-based practices explored CBO Program Directors' (n=296) and clinical staff (n=518) attitudes about the usefulness of science-based addiction treatment. Through multivariable regression modeling, the study identified that identical factors were associated with directors, and staff attitudes about the usefulness of science-based addiction treatment. For both directors and staff working in an organization that was affiliated with a research institution, working in an organization with better internet technology (measured through TCU-ORC scores) and having higher levels of education were all significantly associated with having more positive attitudes regarding science-based addiction treatment. Implications: government policy that promotes the hiring of addiction treatment clinical staff with professional degrees and encourages the development of linkages between addiction treatment researchers and treatment staff may positively impact attitudes and use of evidence-based addiction treatment practices (EBPs) in CBOs. 相似文献
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Strategic versus non-strategic voting power in the EU Council of Ministers: the consultation procedure 总被引:1,自引:1,他引:0
This article evaluates the distribution of power within the Council of the European Union from the a priori perspective of
constitutional design using two distinct approaches: (1) applying traditional voting power indices; (2) carrying out strategic
equilibrium analysis of the EU’s consultation procedure. It clarifies why both approaches lead to different power indications, and investigates the determinants of the differences’
magnitudes. Depending on one’s assumptions about behavior of the consultation procedure’s agenda setter, the European Commission,
traditional indices turn out to deliver a good approximation also of relative strategic power in the Council. 相似文献
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