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In this paper,a fuzzy analytical modeling capable of judging the life cycle of regional innovation system(RIS) is proposed.Based on the analysis of the development of RIS,the key characters of each phase in its life cycle are extracted.Considering the fuz
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采用模糊决策的方法,建立了区域创新系统生命周期的判定模型,在分析区域创新系统发展过程的基础上,提取系统生命周期各阶段的特征,然后针对特征本身的模糊性,将专家对各阶段特征的评价进行模糊化处理,最后通过基于模糊贴近度的多目标分类算法进行系统所处阶段的判定。 |
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In this paper,a generalization is given to the eveloping situation of oversea low-speed,medium-speed and high speed high-power diesel engines for different purporse with regarding to their design, performance, exhaust emission, etc., and on their progress
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本文主要介绍了各种不同用途低、中、高速大功率柴油机在结构、性能、排放等方面发展的现状，分析、比较了降低排放的技术措施，以及燃油系统和电子控制系统等的技术发展方向。 |
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In this paper,a new simple method is int roduced in which,with CNC milling machine,the surface is ground.By cylinder grin ding wheel.And practical applications approve it can meet the requirements of pr ecision fully.
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本文介绍了一种新的方法，可在数控铣床上，用普通圆柱砂轮对其进行磨削，并经实际使用，完全能够满足要求。 |
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In this paper,a novel rough set model based on concordance relation is presented,which relaxing the indiscernibility and tolerance between objects on the basis of classical and tolerant rough sets.Based on the extended model,a new hierarchical clustering
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首先在传统的粗糙集模型基础上,通过松弛对象之间的不可分辨和相容性条件,给出了一种基于和谐关系的扩展粗糙集模型;在新模型的基础上,提出了一种新的层次聚类方法;给出一个具体的实例对新的模型加以解释说明。 |
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In this paper,a power quality monitor system which is based on the TMS320VC33 and FPGA realizing is put forward,and through combining wavelet with Fourier transform,we can realize the function of monitor the power quality on line.
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提出了基于TMS320VC33和FPGA实现的电能质量监测系统,采用基于小波变换和傅立叶变换相结合的方法实现在线监测电能质量的功能。 |
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In this paper,a practical strength compu ting method based on the working principle of profile connection is put forward.
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本文从等距型面联接的工作原理入手，提出了等距型面联接中轴的实用强度计算方法。 |
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In this paper,observation was conducted on pollen germination and growth behavior in distant hybridization between Cerasus fruticosa and C.avium and hybridization between varieties in C. fruticosa through fluorescent light system of microscope.The results
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通过对草原樱桃与欧洲甜樱桃种间远缘杂交及草原樱桃品种间杂交后花粉管行为的荧光观察发现，草原樱桃品种间杂交授粉后花粉在柱头上能正常萌发生长，花粉管沿花柱到达胚珠完成受精过程，平均座果率为27％。 |
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In this paper,radiation curing and photo curing are compared.The fundamental process of electron beam (EB) curing is elaborated,and the features of EB cured composites are discussed.Furthermore,the development of EB cured composites technology is summariz
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对辐射固化与光固化进行了比较，阐述了电子束辐射固化的基本过程，并对电子束固化复合材料的技术特点进行了概述.此外，还详细总结了电子束固化复合材料技术的发展状况，包括可电子束固化的树脂体系，辐敏剂以及活性稀释剂的选择和应用，固化机理的研究.最后，还对复合材料的低能电子束固化技术以及新型树脂体系的探索进行了总结. |
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In this paper,river water quality prediction is integrated with water pollution control measures.Two parameters,water environmental capacity and Pollution Index are selected for pollution control measures.The objective is achieved after the development of
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本文将水质预测及水污染控制措施有机地结合,选取水环境容量和污染指数作为水污染控制的参数.这样,一维对流-扩散水质方程的求解除就是实现本研究目的的关键.本研究采用的模型在现有的水质模型基础上有所改进,因为其采用四点隐格式对水质进行预测,推求可接纳污染物的环境容量值及为保证水质而限定的污染物浓度值,从而制定相应的水污染控制措施.为整体考虑各种污染物的情况,建议采用河流的污染指数进而推求综合污染指数.总之,本研究为水质保护提供了科学的计算方法,该法对水污染控制及污水对河道水质的影响是实用有效的. |
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In this paper,six methods of ammonia-nitrogen wastewater physic-chemical denitrication treatment were infroduced,such as blow-removal,steam-abstraction,crystallization,chemical precipitation,chlorination and ion exchange.Their mechanisms and engineering a
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介绍了吹脱法、气提法、结晶法、化学沉淀法、氯化法、离子交换法6种常用的氨氮废水物化法脱氮处理技术和工程应用情况,并指出了在开发和实施氨氮废水脱氮处理技术(工程)时需要注意的问题。 |
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In this paper,technological process of the electric ceramic are introduced and functions of the organic compound are investigated in the example of the technological process of the thin slice electric ceramic.It is considered that in the process best comp
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介绍了电子陶瓷成形方法，并以薄片成形方法为例分析了所用有机材料的作用，认为在生产中应根据制品形状、特性等从各种成形方法和有机材料中选择最佳组合。 |
