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Based on the synthesis character of glufosinate-ammonium as well as Arbuzov and Michael reaction, a novel and reasonable scheme was put forward as the more economical and practical one with simple reagents.
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该方法基于阿布佐夫重排反应和迈克尔加成反应，所用原料简单，路线设计合理，较为经济实用。 |
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Based on the systematic Cosmology, harmony of heaven and man is the basic way of thinking of the Chinese philosophy, with the cognitive characters of systematic thinking and visual thinking.
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摘要“天人合一”是中国哲学的基本思维方式，其基础是整体有机的宇宙论。 |
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Based on the systematic analysis of common problems in gravity wharf construction and summarization of engineering practice, this paper puts forward corresponding preventive and control measures for the problems.
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摘要通过对重力式码头施工中几个常见问题的系统分析和工程实践总结，提出了相应的预防及控制措施。 |
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Based on the systematically analysis of the major impact factors about the limited level of reservoirs during the flood season, and from the point of the view of safe utilization of flood resources, the paper illustrates the principles of analyzing, demon
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摘要基于对水库汛限水位主要影响因素的系统分析，从洪水资源安全利用的角度出发，阐明了水库汛限水位调整综合分析论证所应遵循的原则，提出了风险设计分析论证的框架、定量分析方法和汛限水位合理调整的论证。 |
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Based on the technical development and creation of electronic jacquard machine, new mechanical device is developed and applied to electronic jacquard machine and restraint design is used to simplify the determination of its shedding motion parameters to m
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摘要电子提花机的发展和应用体现在机构传动和电气技术两个方面，经过电子提花机发展的技术积累和创新，研发了新结构的电子提花机，并利用约束设计思想来简化对提花机开口装置参数的计算，从而使电子提花机的开口设计便捷而准确。 |
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Based on the technical summaries of some long-distance water delivery projects, the technical problems from the selection of pipes, water hammer protection and the safety measures, economic flow velocity, economic pipe size and some other technical proble
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摘要通过对多项长距离输水工程设计的技术总结，论述在南水北调河北省配套输水管道工程设计中对管材的选择、水锤的防护技术与安全措施、经济流速的计算、经济管径选择等技术问题进行探讨，以便更好地为工程设计服务。 |
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Based on the technological analysis of the auto front lamp holder plate with 3 angles, the layout for forming the part with a multi_position progressive die and the structure of the die were put forward.
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在对汽车前灯座三角盘进行工艺分析的基础上，提出了该零件多工位级进冲压成形排样方案及相应的模具结构。 |
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Based on the tectonic characteristic of Yanhuai Basin and recent slip velocity of each fault, the future seismic risk of each fault is evaluated with magnitude-time prediction model.
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摘要本文从延怀盆地的地质构造特征出发，依据近期各断层的滑动速率，由震级一时间可预测模型，计算了各断层的未来地震危险性。 |
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Based on the telecommunications project that has been implemented in different regions, the Project Coordinator would take the place to communicate with the client, coordinate technical experts to identify, locate and resolve the technical issues in vario
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根据信息技术部门在各地的电信相关项目进展保持与客户之间的沟通，协调并配合专业技术人员发现，定位和处理可能出现的技术问题，管理并调度各设备厂商电信供应商为项目提供必要的支持。 |
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Based on the test data of air chamber pushrod force-stroke, a computation model a bout air chamber pushrod force-stroke was established, and calculation formula of actuation deformation characteristics of the drum brake was proposed according to test data
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摘要以制动气室推出力－行程试验数据为基础，建立了气室推杆力与行程的计算模型，根据试验数据提出了鼓式制动器的促动变形特性的计算公式，用试验方法解决了制动器推杆总行程过大的生产实际问题。 |
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Based on the test of 3 concrete beams reinforced with surface adhering sand carbon fiber bar and 2 concrete beams reinforced with surface adhering sand glass fiber bar, the deflection, balanced reinforcement ratio, failure mode, and ultimate capacity were
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摘要以3根粘砂碳纤维聚合物筋混凝土梁和2根粘砂玻璃纤维聚合物筋的试验为依据，分析了纤维聚合物筋混凝土梁的挠度变形和破坏形式，以及界限配筋率和正截面承载力；并结合我国混凝土结构设计规范对梁的正截面承载力计算公式进行了推导。 |
