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张松 《浙江水利水电专科学校学报》2012,24(1):59-61
随着生态水利的发展,自然和谐观念的加强,常规堤防防护结构难以满足要求。格宾生态网是一种既可保护河岸、加固堤防,又可改善和维持水生态环境的生态形式防护工程。通过格宾生态网在丽水太平港河道整治工程区地层情况因地制宜,就地取材,兼有防护与环境保护两方面的功效的实例介绍,为同类工程提供相关经验。 相似文献
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The authors surveyed 347 public sector employees on 4 measurement occasions to investigate the conceptual distinctiveness of the psychological contract and perceived organizational support (POS) and how they are associated over time. Results support the distinctiveness of the 2 concepts. In terms of their interrelationships over time, by drawing on psychological contract theory the authors found little support for a reciprocal relationship between POS and psychological contract fulfillment. Under an alternative set of hypotheses, by drawing on organizational support theory and by separating psychological contract fulfillment into its 2 components (perceived employer obligations and inducements), the authors found that perceived employer inducements were positively related to POS, which, in turn, was negatively related to perceived employer obligations. The results suggest that POS and the components of psychological contract fulfillment are more important in predicting organizational citizenship behavior than psychological contract fulfillment. (PsycINFO Database Record (c) 2011 APA, all rights reserved) 相似文献
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Jongwoo Kim Eun Hee Park Young Soon Park Kyung Hee Chun Lynn L. Wiles 《Information Systems Journal》2022,32(1):164-191
Regulations, such as the Health Insurance Portability and Accountability Act (HIPAA), establish standards to protect patients' medical records from security breaches. Insiders' prosocial misbehaviour within healthcare organisations can cause significant damage to relevant stakeholders. Such behaviour without malicious intention needs to be better understood and carefully managed from the perspective of prosocial behaviour. For this study, a research model was developed that includes the factors influencing student nurses' intention to disclose patient health information. The model was empirically tested with nursing students in South Korea with a scenario-based experiment. We find that both altruistic (impact on others) and egoistic (impact on the self) motivations are significantly important in raising situational empathy. On the other hand, an egoistic motivation (impact on the self) significantly affects people's perception of their responsibility, which mediates the relationship between situational empathy and prosocial intention to disclose. The implications of our findings are discussed. 相似文献
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《Journal of Nuclear Science and Technology》2013,50(7):662-670
In order to evaluate the breached pin behavior in FBR, the breached pin performance analysis code SAFFRON was developed. Based on the results of run-beyond-cladding-breach test in EBR-II as a collaborative program between PNC and U.S. DOE, the following behaviors were taken into cosideration; fuel sodium reaction product (FSRP) formation, resultant fuel expansion, breach extension of cladding and release of delayed neutron precursors into the coolant. Using 3-dimensional elastic analyses by finite element method, breached pin diameter increase is adequately predicted with the reduced Young's modulus of the breached fuel. The delayed neutron signal response in on-line diagnosis was evaluated in relation to the growth of FSRP and breached area enlargement. 相似文献
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堤防塌方险段加固处理方案很多,但要因地制宜,不同的地段、不同外界条件,采用相应的加固方案,当有船行波影响,且施工条件受限时,采用木群桩和混凝土底板复合基础加浆砌石斜墙方案能有效解决塌方险段的修复问题. 相似文献
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分析堤防工程隐患做好堤防工程地质勘察 总被引:2,自引:0,他引:2
探讨了堤防主要的工程地质问题,并分析其产生的条件,结合北江大堤历史上曾经出现的险情及隐患,有针对性地提出作好堤防工程地质勘察的几点意见,对已建堤防的复查加固及兴建新堤防的勘察具有一定的参考意义。 相似文献
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Simulation of dike-break processes in the Yellow River 总被引:4,自引:0,他引:4
Although dike-break and dam-break processes have similar unsteady and discontinuous hydrodynamic characteristics, there are significant differences. In general, dam-break simulations focus on the flood discharge, whereas dike-break simulations are required to provide detailed information on the hydraulic and breach evolution processes, such as pit-scour and breach-expansion. In order to overcome the difficulties inherent in applying existing dam-break models to dike-breaks, this paper presents an integrated model that combines the shallow water, sediment transport, riverbed deformation and breach-expansion equations. A Godunov-type finite volume method is used for the flow simulation, based on a fixed quadtree grid system. The hydro-dynamic aspects of the model are validated for an idealized rectangular dam break. A representative reach in the Yellow River is selected at a location where there is a significant risk of a dike-break, and full-scale topographic and hydrologic data are available. Typical di 相似文献