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Based on the constraints of the one-time start up of pumping station, a optimal model established by taking both the start up time and the shut down time as the optimized variables is presented herein; by which the modeling variables are less and the cons
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针对泵站中一次性开机的约束条件，提出了以运行起始时刻和运行结束时刻作为优化变量的优化模型，该模型变量少且自然满足一次性引水约束条件，简化了约束处理。 |
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Based on the construction of Guangzhou Metro Line 3 welding process and quality control, this paper introduces the mobile contact welding, analyzes some key points during the process of welding, such as welding of rails in curved sections, environmental p
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摘要介绍了移动式接触焊在广州地铁3号线中的施工工艺及施工过程；分析施工过程中应该注意的曲线钢轨焊接、环境保护、曲线钢轨焊接接头平直度的测量、设备维修保养等技术要点。 |
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Based on the construction of the testing section for the lining of Jiping Main Canal in Shandong Province of South-to-North Water Transfer Project, the main causes of the cracking from the mechanized lining concrete slabs are analyzed from the aspects of
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摘要结合山东省南水北调济平干渠工程衬砌试验段施工情况，着重从地基处理、垫层料铺设、混凝土原材料质量、混凝土浇筑、成型混凝土割缝及养护几个方面分析了机械化衬砌混凝土板裂缝产生的主要原因，并针对性地提出了预防及控制措施。 |
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Based on the construction practice of the water conveyance project of Dahuofang Reservoir in Liaoning Province, the selection of the construction method for both the complicated geological condition and the uniform geological condition is discussed herein
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文中通过辽宁省大伙房水库输水工程建设实例，分别论述了复杂地质段和单一地质条件施工方法的选择，供今后类似工程参考。 |
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Based on the construction practices of China petroleum pipeline engineering in recent years and referred to the advanced experiences of relevant foreign codes and standards, this paper analyzes from the overall viewpoint of China petroleum pipeline indust
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摘要根据近几年中国石油管道工程建设的实践，借鉴国外有关标准规范的先进经验，站在中国石油管道建设行业的整体高度，从设计、施工、验收以及项目评估、项目管理、项目监理等方面，分析了管道建设标准体系存在的问题和不足，探讨了加快建立中国石油管道建设行业统一企业标准体系的方法。 |
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Based on the consumer interviews and questionnaires conducted in the Haidian District of Beijing, the article analyses several elements that have influenced consumers' egg-buying behaviour, which include consumers' income, their confidence in products, th
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摘要本文以在北京市海淀区进行的消费者访谈和问卷调查，分析了消费者收入，消费者对产品的信任程度、消费者个体特征、无公害鸡蛋和普通鸡蛋的价格差等对消费者鸡蛋购买行为的影响。 |
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Based on the content of each important stage of the optimum design on anti-slide pile, this paper discusses several key problems for optimum design on anti-slide pile, such as the choice of intensity parameter of the sliding zone, confirming the pile posi
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依据抗滑桩优化设计工作中各重要环节的工作内容，对滑带土强度参数的选择，抗滑桩位置和设计推力、抗滑桩问距、锚固段长度的确定等影响抗滑桩优化设计的关键技术问题进行了讨论，提出解决这些问题的方法。 |
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Based on the context of current system safety regulations, a conceptual framework of the lifecycle safety regulations for railway transportation was established.
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其次，分析比较轨道运输责任规範之归责原则，并阐述轨道运输事故损害赔偿，及责任保险制度。 |
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Based on the context of post-modernism, people now find themselves have to face those puzzling things and feel much more unfamiliar.
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摘要后现代语境下，现代人的迷茫迷惑变得更加突兀，更加彰显。 |
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Based on the continuous damage theory, considering the shear effect, the high-order shearing, flexural and in-plane deformation coupling model is built; through the nonlinear FEM analysis of RC beams strengthened with FRP, the damage theory and damage cou
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摘要基于连续损伤理论，考虑胶层的剪切效应，建立FRP加固钢筋混凝土梁的高阶剪切弯曲及面内变形耦合模型，编制了有限元分析的软件，进行非线性有限元分析；通过与已有的试验结果进行对比，证明该模型的简单，有效性；利用该软件对未加固混凝土梁，初始进行加固的混凝土梁以及最大拉应变达到极限值时进行加固的混凝土梁等几种情况进行数值模拟。 |
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Based on the conventional variational approach, a simple approach was presented so that the deformation of tension pile groups could be solved by calculating a 2×2 array.
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在传统变分方法的基础上，本文将抗拔群桩的变形分析简化为计算一个2×2维矩阵，使得群桩变形分析时间大大缩短。 |
