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Abstract: According to analyzing equipment's vibration.The failure of screw pump was reaso ned.And the old packing seal was converted into the combination of oil seal,laby rinth and packing seal,in result,the leakage of the pump had been solved comp letel
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文摘:利用设备的振动分析对螺杆泵密封失效原因作诊断，并将原有的填料密封改造为橡胶油封、迷宫密封及填料密封的组合形式,彻底解决了泄漏问题。 |
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Abstract: According to experience of boiler-reforming, and the theory of transmit heat and hydraulics, the problems existing in the circulatory system and interior devices of hot-water boiler are analyzed, the methods of resolving the problems are propose
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文摘:本文根据改炉情况和传热学、水动力学的原理，分析了热水锅炉水循环系统及内部装置存在的问题，并提出了解决这些问题的方法和措施。 |
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Abstract: According to researches on Jurassic Sporopollen features and physical characters of rocks in northwest area, it has been considered that the most obvious temperature-rise event, happened in the late stage of Middle Jurassic to the end of Late Ju
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文摘:通过对西北地区侏罗纪孢粉学特征的研究，并结合岩石的物理属性，认为中侏罗世晚期到晚侏罗世末存在一次最为明显的升温事件，其主要原因是由于侏罗纪全球性气温升高所导致。 |
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Abstract: According to the Chinese Soil Taxonomic Classification(Revised Proposal, 1995)and our data and information for classification of Linze zone in the Hexi corridor, the authors propose a taxonomic classification of soils of Linze zone in the Hexi c
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文摘:根据《中国土壤系统分类(修订方案)》(1995)，对河西走廊临泽样区土壤进行了系统分类研究，提出了临泽样区土壤系统分类方案：将土壤分为4个土纲(人为土、干旱土、潜育土和雏形土)，4个亚纲，5个土类和8个亚类。 |
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Abstract: According to the character and actual condition of the ceramic burner,some different ceramic burners used extensively at home and abroad are synthetically evaluated and improvement measures are presented.
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文摘:根据陶瓷燃烧器的特点和实际情况，对目前国内外广泛使用的几种陶瓷燃烧器进行了综合评价，并提出了改进意见. |
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Abstract: According to the characteristics of the process of the finiteelement analysis of sheet metal, a simple and useful contour map creation arithmetic based on linearity interpolation is advanced using the element, node and data information created d
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文摘:根据金属板料有限元分析过程本身的特点，充分利用有限元分析过程中单元、节点信息以及生成的数据信息，提出了一种简单实用的基于线性插值的等值线生成算法。 |
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Abstract: According to the complex degree,determined by their figurations and sizes,the classification of the metal powder compactions by steel's dies has been given.By analyzing the compaction quality,the metal powder compaction methods by the steel's di
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文摘:按照其形状尺寸所确定的复杂程度，对金属粉末制件进行了分类；对各类制件的压制质量进行了分析；在此基础上，叙述并归纳了粉末件钢模压制的各种方法及其适用原则。 |
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Abstract: According to the current domestic situation of high buildings and the characteristics of high building fire already happened,some important fire prevention and control problems are presented, and some countermeasures and suggestions are made.
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文摘:根据目前国内高层建筑的状况，结合所发生的火灾特点，提出了在消防方面应引起重视的几个问题。 |
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Abstract: According to the current situation of Ningbo, the author proposes the development goal, the guideline and the keystone in construction for the three contents of the modern distribution, emphasizing that solid foundation should be laid from four
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摘要：根据宁波市的实际情况，对发展现代流通方式的三个内容，分别提出了发展目标、指导思想和建设重点，还提出了必须从四个方面打牢基础。 |
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Abstract: According to the daga of crops yield and soil fertility changes of long term application of fertilizer and nutrients recycling obtained from ecological stations scatrtered in four typical areas under Chinese Academy of Sciences and State Miniset
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文摘:根据中国科学院和国家科技部分布于四大类型地区的生态站进行的长期施肥及养分循环再利用的作物产量、土壤肥力质量变化研究数据，提出了黑土区农业系统投料中有机碳和磷、氮在饲养——堆腐过程中的循环率。 |
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Abstract: According to the deep analysis of the typical punching process, the loading charts and the amplitude-frequency curves of straight side CNC turret press frame are obtained.In the end the dynamic response of a typical process is calculated using m
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文摘:根据板料冲裁时的工作负荷图确定了数控回转头压力机的动载荷谱,并通过傅立叶展开,获得了压力机的幅频谱,最后通过MARC软件采用模态叠加法计算了典型冲裁时机身的动态响应,分析了其动态特性,并对特征点的动静态应力进行了比较。 |
