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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。 |
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In this paper, the internal transverse cracks of continuous casting slabs of a niobium-bearing peritectic grade of steel are investigated using electron probe microanalyser and optical microscope.
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摘要连铸坯厚度中心存在的内裂纹在后续的轧制过程中轧不合而对产品的质量带来重大的影响。 |
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In this paper, the kinetic model for DC discharge at high pressure is considered.
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我们还讨论了误差来源和扩大适用范围所需要的改进。 |
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In this paper, the large non linear FEM software MARC be used to calculate the 3D deformed distribution of the cold roll forming machine frame, slide seat and bolster plate.
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摘要以大型非线性有限元软件MARC为分析工具,建立接触分析模型,对冷滚轧机床机架、滑台及垫板进行三维有限元弹性接触分析,给出机床三维变形状态的定量描述。 |
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In this paper, the latest progress in the production of chemicals based upon C1 molecules including methane, carbon dioxide, CO and methanol is addressed.
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本文综合讨论了以含一个碳原子化合物为原料合成化学品和新材料的国内外研究与开发的进展,包括已工业化的技术。 |