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The paper presents a way that on a diesel engine the fuel ethanol is used blended with gasoline as its additive. On the base of analyzing the physical, chemical and mixing proportion characteristics of ethanol-diesel-gasoline blended fuel, combustion characteristic and the effect on diesel engine performance using the blended fuel with different proportional component are studied on a 135 diesel engine. At the same time, the effect on the diesel engine performance and combustion characteristics using the blend fuel are also studied under different diesel engine parameter.
本文阐述了在柴油机上以汽油为助溶剂应用燃料乙醇的一种方法,在分析乙醇-柴油-汽油混合燃料的物化特性和配比特性的基础上,试验研究了在135柴油机上燃用不同比例的混合燃料对柴油机性能的影响及其燃烧特性;同时,还研究了在不同的柴油机参数下应用混合燃料对柴油机性能和排放特性的影响。
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In the process of the studying, the dissertation has studied the enterprise, IS and the management changing based on IS by the systems standpoint, such as integrity, relativity, aim, and purposefulness, and adaptability to the environment. It has analyzed the structure and element of enterprise and IS. It has also studied the motivation and rule that the core competence has act on the management changing.
本文在整个研究过程中,分别利用系统的观点来研究企业、信息系统和基于信息系统的管理变革,利用系统的整体性、相关性、目的性和环境适应性的观点来分析企业,分别对企业、信息系统的要素及其结构进行了分析,研究核心竞争力对系统变革的影响机制。
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The scavenging effect of the intermediate of Maillard Reaction on ·OH was studied by using chemiluminescence, and its effect on O2-· was studied by inhibiting pyrogallol auto-oxidation.
摘 要:用化学发光方法研究了以Maillard反应中间体清除·OH的作用,用分光光度法研究了中间体清除邻苯三酚自氧化过程中产生的O2-·的作用。
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According to the working characteristics of high-speed railway station, the principles to track using are formulated. Regarding the system of receiving and dispatching trains as a queuing system, the working process of making track plan is studied through analyzing the working process of queuing system. Moreover, the adjustment principles and measures for track plan are studied, and then the working process of making the adjustment plan on track using is set down.
根据高速铁路车站作业特点制定了到发线使用原则,并把车站接发车系统看作一个排队系统,通过分析排队系统作业过程研究了编制到发线运用计划的工作流程;进而研究了当列车运行波动时,到发线运用计划的调整原则和调整方法,制定了编制到发线调整计划的工作流程。
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The self-exchange reactions of quinone were studied with AMl and ESR at the sametime,and the solvent effects were also studied.
用半经验的AM1方法和ESR技术分别研究了醌的自交换电子转移反应,计算并测定了自交换反应的速率常数,进一步研究了溶剂性质对电子转移反应的影响。
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The dissertation will study some problems in stream ciphers. The main results that the author obtained are as follows:(1) The concept of fuzzy linear complexity is presented initially. The estimation problem of the fuzzy linear complexity of the random vector is studied, and a lot of upper bounds are given. The limit properties of fuzzy linear complexity of random vector are studied, and the limit theorem and the limit of variance of the fuzzy linear complexity of random vector are given.(2) The concept of fuzzy nonlinear complexity is presented initially.
本文在前人工作的基础上对序列密码中的一些问题进行了研究;所取得的主要研究成果综述如下:(1)首次提出了模糊线性复杂度的概念,对随机向量的模糊线性复杂度的均值进行了估计,给出了几个上界估计公式,并研究了随机向量模糊线性复杂度的极限性质,给出了随机向量模糊线性复杂度的极限定理及其方差的极限。
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The estimation problem of the fuzzy nonlinear complexity of the random vector is studied, and some upper bounds are given. The limit properties of fuzzy nonlinear complexity of random vector are studied, and the limit theorem and the upper bound of variance limit of the fuzzy nonlinear complexity of random vector are given.(3) Enumeration of lst-order correlation-immune functions is discussed further.
首次提出了模糊非线性复杂度的概念,对随机向量的模糊非线性复杂度的均值进行了估计,给出了若干上界估计公式,并研究了随机向量模糊非线性复杂度的极限性质,给出了随机向量模糊非线性复杂度的极限定理及其方差极限的上界。
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The definition of instantaneous reactive power in sinusoidal circuit is still a pending problem and should be studied further. The authors consider that the theory of instantaneous power should be studied on the basis of the original definitions of instantaneous active and reactive power.
针对研究近一个世纪还没有解决的瞬时无功功率界定与定义的问题,该文认为应从原始瞬时有功功率、瞬时无功功率界定来研究瞬时功率理论。
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Curing reactions of BPF/R EP system containing dicyandiamide were studied with differential scanning calorimetry,and the curing systems and curing condition were studied systematically with 2-ethyl-4-methyl imidazole(2E4MZ) accelerating dicyandiamide,which affected the property of BPF/resorcin copolymeriza.
通过差示扫描量热法研究了2-乙基-4-甲基咪唑对双氰胺-双酚F/间苯二酚共聚型环氧树脂体系固化反应的促进作用,并系统地探讨了固化体系及固化条件对固化物性能的影响。
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The anode structure of CI-LIGBT is optimized by numerical simulation, and it is pointed out that segmented p〓 anode region surrounded by n〓 anode region is the key to improve the ability of current limiting, and the more deeper the n〓 anode junction relative to the p〓 anode junction, the more powerful the ability of current limiting is. The affection of the breakdown voltage BV〓 of the reverse biased p〓n〓 junction and the sample resistance upon the latching current, the latching voltage and the on-state voltage have been studied, and it is indicated that the tradeoff between the on-state voltage and the latching characteristics is the excellentest when BV〓 is 1. 1V so that its on-state voltage can be just only 0.6V higher than conventional LIGBT. It is also found that this device is especially suit to high temperature environment. Based on X. B. Chen's surface voltage sustaining structure using optimized variational lateral doping and Ludikhuize's multiple floating rings structure, high voltage LIGBT and is studied in this paper.
通过数值模拟,优化了CI-LIGBT的阳极区结构,指出采用被n〓阳极区包围的单元状p〓阳极区是提高该器件限流能力的关键,而n〓阳极区结深相对p〓阳极区结深越大,器件的限流能力越强;分析了反偏p〓n〓结击穿电压BV〓和取样电阻对器件闩锁电压、闩锁电流和导通压降的影响,得出BV〓在1.1V时器件导通压降和抗闩锁能力间的折衷关系最优,其导通压降仅比普通LIGBT高0.6V;分析了温度对LIGBT闩锁性能的影响,表明CI-LIGBT即使在450K的高温下也不会闩锁,尤其适用于高温工作环境。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。