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In this paper, the effect of friction force on metal forming parameters has been summarized based on some last research reports.
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摘要论文基于近期已发表的文献,综述了摩擦阻力对金属成形参数的影响。 |
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In this paper, the effect of velocity pulse in near field ground motions is emphasized and the influence of velocity pulse to acceleration velocity and displacement in earthquake ground motions is analyzed by using simple impact modal.
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摘要着重介绍了几次地震中出现的近场地震动的速度脉冲特性,并利用简化冲击模型来分析速度脉冲效应对地震动加速度、速度、位移的影响。 |
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In this paper, the embryonic development conditions of tongue sole (Cynoglossus semilaeusi Gunther) in different temperature and salinity conditions are studied.
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研究了在不同水温、盐度条件下,半滑舌鳎胚胎发育的情况。 |
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In this paper, the enzyme source and the zymologic functions of acid protease for liquor production were summed up.
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综述了酒用酸性蛋白酶酶源研究及其酿酒中的酶学功能。 |
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In this paper, the erosional characteristics along the Suizhong sarldy coast of the Liaodong Bay are analyzed by comparing nautical charts in different periods and analyzing remote sensing images and multi-year field monitoring data, and it is shown from
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摘要通过不同时期海图对比、分析遥感图像和多年现场监测资料,分析了辽东湾绥中沙质海岸侵蚀的特点,认为海岸组成物质松散与海岸动力作用强烈是本区现代海岸侵蚀的基本条件;陆源物质入海量减少、海动力作用、沿岸工程建筑和海上采砂是其海岸蚀退的主要影响因素。 |
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In this paper, the error diagnosis and troubleshooting of machining center is described through practical examples.
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摘要文章结合实践中的具体实例,对加工中心的故障诊断及保障排除进行了介绍。 |
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In this paper, the essential reason that the absolute yield of South China super rice in contradiction to the yield per day was analyzed, it due to the different durations between the varieties and combinations.
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摘要分析了华南超级稻品种绝对产量指标与日产量指标存在矛盾的根本原因在于品种生育期的差异。 |
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In this paper, the estimate and uniqueness and stability of the solution of one-order hyperbolic differential equation of Cauchy Problem is proved.
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摘要本文证明了双曲型方程组柯西问题解的估计,唯一性,稳定性。 |
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In this paper, the experiment on the enzyme activity in pot soil grown with soybean was carried out through the application of coated compound fertilizer during different growth stages of soybean.
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摘要采用盆栽试验的方法;研究包膜复合肥对大豆不同生育期土壤酶活性的影响。 |
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In this paper, the factors which affect the channel length and the length of the pinch-off region of the channel are discussed, and the function of the VDMOSFET is improved by optimizing the channel section.
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摘要讨论了影响沟道长度及沟道的夹断区长度的因素,通过沟道区的优化促进了VDMOSFET性能的提高。 |
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In this paper, the features of patch characteristics, heterogeneity, diversity &evenness, and spatial relationship were analyzed in the Jialing River basin by using landscape indexes with remote sensing images.
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摘要在遥感影像基础上利用景观指数从斑块特征、景观异质性、多样性与均匀性以及空间相互关系4个方面比较和分析了嘉陵江流域植被景观的空间格局特征。 |