施工企业实施低成本战略问题

阐述企业实施低成本中存在的问题及解决对策。     

碱集料反应的诊断与防治

概念了破集料反应的类型与机理，结合国内外碱集料反应研究的进展情况，提出了碱集集料反应的诊断方法和防治措施。     

电气安全保护装置在T880E掘进机上的应用

TBM是隧道开挖的工厂化施工机械,其用电设备多,自动化程度高,技术复杂,对电气设备的安全保护要求较高.介绍其中的几项保护装置,如TJB高压电缆快速接头、高压电缆绝缘及接地线连续保护装置、低压母线绝缘监视装置在TBM上的应用.     

基于实时视景仿真技术的海上航标监管系统

海上航标系统是海上交通安全保障体系的重要组成部分。结合上海海事局厦门航标处的航标日常管理与实时监控的实际业务需求,开展了利用实时视景仿真技术与电子海图相结合构建海上航标监管系统的应用研究和系统实现等工作。该系统的实现,有利于航标设置方案的审定与选择,有利于监控者对现场环境的把握和应急决策。     

菲律宾与印度尼西亚之间主要海峡情况

对菲律宾与印度尼西亚之间的主要海峡航行价值、自然地理条件、气象、海潮流、可供航行状况等情况进行了介绍。     

铁路工程材料价格的计取

针对“铁建设[2003]42号”对铁路工程定额和费用的调整，介绍汽车运价和运杂费计费变革的必要性，进而提出改变铁路工程材料价格计取方式的建议。     

The association of the population recruitment of gulf menhaden, Brevoortia patronus, with Mississippi River discharge

Gulf menhaden, Brevoortia patronus, which constitutes a major industrial reduction fishery in the USA, spawn across the northern Gulf of Mexico with a focus of spawning about the Mississippi Delta. This species is estuarine dependent; adults spawn over the continental shelf and their larvae are transported, by mechanisms that are presently not well understood, to estuarine nursery areas. Larval gulf menhaden, along with some other surface oriented larval fishes, appear to aggregate along the Mississippi River plume front, while evidence of the ecological consequences of this aggregation in terms of the feeding, growth, and survival of larvae is ambiguous. On an annual scale, Mississippi River discharge is negatively associated with numbers of half year old recruits. Discharge of the Mississippi River and the population recruitment of gulf menhaden may be plausibly linked through the action of the river's plume and its front on the shoreward transport of larvae. Greater river discharge results in an expansive plume that might project larvae farther offshore and prolong the shoreward transport of larvae. An indirect, decadal scale, positive response of recruitment and river discharge is possible, but not certain. Recruitment became elevated after 1975 when river discharge increased and became highly variable. This response might owe to enhanced primary and secondary production driven by nutrient influx from the Mississippi River.     

增力式多向镦锻装置的研制

在通用压机上生产类似全纤维曲轴一类锻件的先进工艺为多向镦锻法。本文设计的新型增力式多向钮锻装置，在锻造接近结束时，可以增大水平锹粗力，其增力效果超过传统的ＲＲ锻造法及ＴＲ锻造法。     

施工导流在内河航道干地开挖工程中的应用

通过施工导流在内河航道干地开挖施工中的应用，结合内河航道干地开挖的具体特点，分析影响施工导流成败的主要因素．介绍了在施工中应注意的主要技术要点。     

船舶柴油机冷却水温控系统可靠性设计

着重分析了船舶柴油机冷却水温度自动控制系统的可靠性，对整个系统以及子系统进行了可靠性计算，提出提高本系统可靠性的方案，并认为系统简单并联贮备是有效提高可靠性的方法。