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In this paper, the gain of fatigue strength of interference-fit riveting components compared with conventional riveting components is studied through tests, and the interference-fit filling effect of coronary rivet is estimated.
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摘要通过试验,研究了干涉配合铆接试件相对于普通铆接试件疲劳强度的增益,估算了冠状铆钉干涉配合的填充作用。 |
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In this paper, the general situations of the model tests are outlined in brief, the spatial plate and shell finite element model is established to theoretically analyze the model bridge for the tests, the measurements of the tests under principal load cas
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简要介绍模型试验研究情况,建立空间板壳有限元模型对该模型桥梁进行理论分析,给出主要试验工况的实测数据,提出设计施工建议。 |
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In this paper, the geologic features of Carlin type gold deposits in Tangxinzhai are expounded, relations of metallogenic with lithologic characters, structure and wall rock alterations are summed up, and its metallogenic conditions and metallogenesis are
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本文结合区域地质背景叙述了塘新寨微细浸染型金矿床地质特征,探讨了成矿与地层岩性、构造、蚀变的关系,并初步探讨其成矿条件与成矿作用。 |
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In this paper, the geological characteristics of talc for Changfeng and Heyuan is introduced. The condition of talc is analysed. It is discussed the genesis of talc.
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介绍了采用单向托辊和阻尼板的方法对上运带式输送机断带下滑和带式输送机逆转进行全线柔性摩擦制动的技术方案、主要结构、原理、理论分析计算及应用情况。 |
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In this paper, the homology of transport proteins of Streptomyces lydicus and other Actionmycetales bacteria is analysed and their evolutional relation is discussed.
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将获得的利迪链霉菌的转运蛋白基因与其他放线菌的转运蛋白基因进行了同源性分析,探讨了基因的进化关系。 |
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In this paper, the implicit enumeration methods for mathematical programming are effectively classified: well-implied and ill-implied enumerations.
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摘要对数学规划中的枚举法进行了有效的分类:良性隐式枚举与病态隐式枚举。 |
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In this paper, the importance and application of parameter in error diagnosis of CNC machine tools is described through practical examples.
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摘要该文结合实践中的具体实例,对参数设置在数控机床故障维修中的重要性及其应用进行了介绍。 |
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In this paper, the index of unevenness, concentration, and variation have been defined and calculated according to gauge records of runoff in the 1956-2000.
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根据长江源区1956-2000年河流月径流资料,分析了年内分配不均匀系数、完全调节系数、集中度、集中期、变化幅度等特性。 |
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In this paper, the influencing factors of acoustic environmental quality of residential area including noise from transportation, industry, construction and society were analyzed, the comprehensive influence of acoustic environmental quality of residentia
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摘要分析了居住区声环境质量的影响因素,包括交通、工业、施工和社会生活等噪声;研究了居住区声环境质量是居住区室外声环境质量和室内声环境质量的综合影响反映;构建了基于居住区室外声环境质量和住宅室内声环境质量影响因子的居住区声环境质量评价指标体系;提出了居住区声环境质量分级控制标准;从规划、技术和管理的等方面提出了居住区声环境质量的控制措施和改善方案;建立了基于灰色聚类分析方法的居住区声环境质量评价模型,并进行了实证评价应用。 |
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In this paper, the interaction mechanism between phentolamine mesylate and bovine hemoglobin is investigated by using fluorescence spectroscopy technology, the binding constant and numbers of binding sites are confirmed.
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本文用荧光光谱技术研究了甲磺酸酚妥拉明与牛血红蛋白的相互作用机理,确定了相互作用的结合常数及结合位点数。 |
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In this paper, the internal friction of foamed Al-Si alloy (ZL104) in different bending modes was investigated, for getting the characteristics of the internal friction of foamed metal in different boundary conditions.
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摘要为了获得不同边界条件下泡沫金属的内耗特征,通过采用动态机械分析仪在不同弯曲模式下对泡沫铝硅合金的内耗进行实验研究。 |