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On the basis of expounding the effects of plastic deformation behavior and forming limit on the analysis of sheet metal forming, this paper overviews the research progress on yield criterion, hardening model, forming limit and effects of complex loading p
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摘要本文在阐述塑性变形行为与成形极限对于解析板料成形过程的作用与意义的基础上，针对板料屈服准则、强化模型、成形极限及复杂加载路径的影响规律的研究进展进行了综述与分析，得出：建立符合实际板料成形特点的复杂加载路径的实验方法，验证理论研究结果的准确程度及适用範围，确定复杂加载路径下的解析描述及实用判据，是目前该领域主要的研究方向。 |
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On the basis of externality theory, methods of internalization of external economic nature of historic blocks are put forward in order to enhance protection level of historic blocks and development of external economic nature.
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以外部性理论为基础，提出了历史街区外部经济性内部化的方法，以期提高历史街区的保护水平，促进街区外部经济性的发挥。 |
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On the basis of fault classification, the output voltage waveforms are divided into sub-waveforms by the counts of rectifier voltage pulse waves, then the sub-waveforms are further classified by real time measurement of voltage, taken from sub-waveform sa
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在对各种故障进行分类的基础上提出根据整流电压的脉波数将输出波形分段，通过即时监测各波段电压采样均值和标准差，对各段电压波形进行分类，从而将故障波形用模式向量表示。 |
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On the basis of feedstuff for poultry, livestock and aquatic products, proactively develop non-conventional feed resources and special animal feedstuff so as to promote coordinated development of feedstuff industry and animal husbandry.
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以发展禽畜水产等饲料为基础，积极开发非常规饲料资源和特种动物饲料，促进饲料业与养殖业协调发展。 |
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On the basis of field test results and laboratory physical mechanics findings, the mechanics parameters adopted for design are analysed.
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依据现场和室内岩石力学试验成果，对设计采用的力学参数进行了分析。 |
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On the basis of finite element numerical simulation technology and S-N curve data base of welded joint, the course of fatigue test of physical prototype was simulated with computer and the fatigue life of welded structure was predicted, so as to let the d
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基于有限元数值仿真技术及焊接接头S-N曲线数据库，在计算机中模拟物理样机的疲劳试验过程，预测焊接结构的疲劳寿命，使产品在设计阶段开展抗疲劳设计成为可能。 |
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On the basis of force analysis on grinding whet loading mechanism, structural optimization of grinding machine is carried out.
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摘要在钢坯修磨机砂轮加载机构受力分析的基础上，对修磨机结构进行了优化。 |
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On the basis of free treatment for communicable diseases such as AIDS and snail fever, we will expand the scope of diseases subject to free treatment.
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在免费救治艾滋病、血吸虫病等传染病患者的基础上，扩大免费救治病种。 |
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On the basis of fuzzy matter-element analysis, a fuzzy matter-element model for evaluation of compensation benefits of cascade reservoirs on the mainstream of the Yellow River was established by combination with the concept of Euclid approach degree.
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摘要在模糊物元分析的基础上，结合欧氏贴近度的概念，建立了基于欧氏贴近度的黄河干流梯级水库补偿效益方案评价的模糊物元模型，采用主客观赋权法计算评价指标的权重。 |
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On the basis of gap's temporal-spatial characteristics in and around source area before an earthquake, we propose a method to estimate characteristic parameters (characteristic distance and time) in the region-time-length (RTL) algorithm and introduce the
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摘要根据地震前震源及周围地区出现的空区的时空特征，提出了一种估计“区域－时间－长度”算法中特征参数（特征距离和特征时间）的方法，并介绍了2006年一些学者提出的用相关系数估计特征参数的方法。 |
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On the basis of general introduction of the All-American Canal System and the All-American Canal Irrigation District, the facilities (dams, desilting works, irrigation canal system), project management and maintenance, and benefits of All-American Canal S
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摘要在介绍全美灌溉系统及全美渠灌区基本概况的基础上，对全美灌溉系统的主要建筑物（水库大坝、沉沙工程、灌溉渠系）、工程管理与维护以及工程所带来的经济效益等方面作了详细阐述与分析。 |
