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Treating with coils as aeolotropy, this paper brings forward a set of mathematical mode for computing internal stress distribution of coil in the process of coil coiling, in which some factors are taken into account, such as the transverse distribution of shape, crown and curl tension of the strip, the friction between the strip and the reel, the friction between strips, and etc. Because the reel shrinkage and the inner circle of the strip losing radial restrain and circumferential restrain can induce interlayer slipping and the change of the whole coil compactedness , the assumption concerned ——"virtual reel" in the process of coil uncoiling is put forward, which takes the form of slow action to express the uncoiling process and, therefore clearly simulates the variation course of internal stress distribution of coil in the process of coil uncoiling.
考虑到带材板凸度、卷取张力的横向分布以及带材与卷筒之间、带材与带材之间的摩擦力等因素的影响,并将钢卷按各向异性体处理,提出一套计算卷取过程中钢卷内部应力分布的数学模型;同时考虑到卸卷过程中由于卷筒的收缩,钢卷内圈失去径向和周向约束而引起层间滑移及整个钢卷紧密程度发生变化,提出钢卷卸卷过程中有关"虚拟卷筒"假设,将卸卷过程以"慢动作"的形式表示出来,清楚地模拟出卸卷过程中钢卷内部应力分布的变化历程。
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The experiment material is apricot and almond in this paper,passed TTC method to carried on examination the agnate pollen of vitality before pollination;after the investigation fruit set percentage,using of DPSv3.01 analyzed the date;the pollen tube behavior and bourgeon were observed by means of flurescence microscopy;the orthogonal design was used to optimize SSR amplification system of apricot hybrids in five factors at four levels respectively;making use of the new SSR-PCR system analyse the 50s hybrids.
本文以仁用杏及扁桃为试验材料,通过TTC染色法对授粉前父本花粉的活力进行了测定,运用DPSv3.01专业版数据处理系统软件对授粉后坐果率的调查数据进行了分析;利用荧光显微技术对花粉在柱头的萌发情况及花粉管的生长状况进行了动态观察;采用正交设计对仁用杏杂交苗SSR-PCR反应的5因素4水平进行试验;在新体系的基础上对50个杂交苗进行了分析。
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So in this paper based on the characteristics and the optimum state theory of the vehicle, some kinds of control schemes are compared and discussed, and the fuzzy PID control scheme is adopted at last. The relation between air-cushion pressure and fan rotational speed on the optimum driving state is studied. The cushion pressure is used as controlled variable and the fan revolution is used as regulated variable. And transducer and fan motor are actuators.Based on the structure and operating properties of half-tracked air-cushion vehicle, the control system scheme and structure are presented. A control scheme using the self-tuning PID fuzzy logical controller is adopted. Fuzzy rules are set up and some researches have been done for fuzzy tuning method. At the same time the real-time measurement scheme by computer control is proposed, and electric circuits are designed. In the control system of half-tracked air-cushion vehicle cushion pressure P〓 is used as controlled variable and the fan speed n〓 as regulated variable.
因此本文以半履带式气垫车的特性和最佳工作状态理论为指导,通过对各种控制方法的比较与探讨,提出采用模糊PID控制方案,并且研究了在最佳工作状态下垫压及风机转速的关系,提出气垫压力作为控制参数,变频器和风机电机为执行机构,风机转速为调节量;主要进行了自整定模糊PID控制器的设计,研究了自整定PID模糊控制器的实现方法,编制了模糊控制规则,制定了模糊控制参数查询表,并分析了影响自整定模糊控制器相关的影响因素,确定了模糊控制表;为了实现半履带式气垫车的自动控制,还提出了计算机模糊控制系统的原理与结构,设计了相应的测量电路与控制软件。
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Besides, with the land selling prices set as the foothold, following the main line of decision-making in a reasonable allocation, the thesis still offers some advice on constructing a harmonious system of land requisition management. The main innovations of this research paper include:(1) Proposed a configuration model of the decision making power for the main decision makers with the consideration of the allocation of the profits brought about by the power of system and investment.
本文在对政府、农民、投资商和村委会等四个征地中的主要利益主体的行为特点充分分析的基础上,以农村集体土地征为开发建设用地的三个关键问题——征地计划制定、征地补偿和土地一级开发为研究对象,以合理配置决策主体的决策权为主线,以土地出让价格为立足点进行了深入研究,以期系统解决我国农村集体土地征为开发建设用地过程中现存的问题,为构建和谐的土地征收管理制度提供一些思路和方法。
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In the situation, this paper brought up the risk analysis and evaluation method on the basis of intelligent control and network communication technology for Network Communication System. The risk analysis and evaluation of Network Communication System firstly discussed the character of network communication and its risk. At the following we estimate a risk evaluation model according the distribution of the systems risk by time and space. Otherwise, we combined Fuzzy Comprehensive Evaluation with Analytic Hierarchy Process, and set up the multi-grade fuzzy comprehensive evaluation model for Network Communication System.
该方案主要通过讨论网络通信系统及其风险的特性,根据风险的时间和空间分布规律,以"风险"为整个网络通信系统安全模型的评估和分析对象,确立网络通信系统风险分布的量化评估模型,同时,就不同区域和不同时段的风险通过引入层次分析的一般方法来确定它们的权重系数,最后,通过模糊综合评判法则对系统中模糊不确定性因素进行数学化的抽象,建立一个反映其本质特征和动态过程的理想化的数学评估模型。
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This paper makes a thorough investigation and study on some principles about how to set up a new sense with the help of syntagmatic analysis. It is pointed out that, a new lexical meaning would be regarded as a sense only if the difference between its semantic features and the prime meaning's manifests at the syntax and/or collocation levels.
提 要:本文从词义组合分析的角度对汉语名词的词义单位划分原则作了深入探讨,指出词义差别在词的组合特征中会得到体现,不同词义具有各自不同的分布空间,可以成为确立词义单位的重要根据。
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Therefore, in this paper a new mechanics method is studied, i. e. a group of equations were set up and solved by the equilibrium conditions of the couple system. The transmission ratio and the meshing efficiency calculation formula were derived by this method. According to the law of conservation of energy. Hence then the above profound problems are analyzed and solved in a simple way. epicyclic gear train ; couple system ; transmission ratio ; meshing efficiency
故根据平面力偶系平衡条件可以很方便地推导出轮系传动比和啮合效率公式,与其它方法[卜3]不同之处还在于,本文根据能量守恒定律,不需分析啮合功率的流向,便可解决啮合效率的计算问题。1理论基础1.1基本周转轮系的力矩关系式图1为常用的2K—H型基本周转轮系,当轮系匀速转动工作时,根据受力平衡条件,作用在▲图l 2K_H基本轮系三个基本构件上的力偶矩应满足以下关系式[1]:兰=簇=撬㈤一1一涅稍一1一涅稍
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Based on the idea of type systems, this paper reengineers a new set of type expressions and a type system for machine code of Intel/x86s infrastructure Although machine language program is a binary untyped code, types of its registers and memory exist implicitly in semantics of instructions The type inferring algorithm built on type systems can statically infer safety of the machine code The machine language discussed includes some of important characters, such as jumps, function call, return, and so on, and shows that the approach can be applied to type checking for low level code of other infrastructures
根据类型系统思想,为Intel/x86体系结构的机器语言重新定义了类型表达式并建立一套类型系统机器语言代码虽然是一种无类型的二进制编码,但其类型信息被隐含在指令的操作语义中,利用建立在类型系统基础之上的类型推理算法可以静态地推理机器代码的安全性由于所讨论的机器语言包含了跳转、函数调用和返回等主要指令,因此,这种静态检查方法可广泛应用于其他体系结构的低级语言代码的检查中
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In this paper, the experimental set-up is described and experimental results of the height equivalent to a theoretical plate and the volumetric mass transfer coefficient of a rectifying section with the Sulzer BX packing are presented.
在本文,实验性设定被描述和高度等值的实验性结果到一个理论塔板和一个矫正的部分的容量传质系数与Sulzer BX包装提出。
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This paper, on the basis of related researches, uses rough set theories to make a comprehensive evaluation on innovation ability for six Knowledge Intensive Business Services clusters in Regensburg, Germany. The results show strong influences of soft-environment and Influences of KIBS clusters on companies on innovation ability of the clusters.
在相关研究的基础上,运用粗糙集方法,对德国雷根斯堡地区的六个知识密集型服务业集群的创新能力进行了综合评价研究,结果表明软环境的建设和集群对人驻企业的影响这两个方面对集群的创新能力具有较强的影响。
- 推荐网络例句
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They go to town. Would you just ask them?
他们在城里你能问他们吗?
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Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.
预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量,然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。
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Add in realistic voice acting, and you're about to get emotionally attached toa whole platoon of charactersEvery object on the battlefield is destructible - and once it's destroyed, it stays destroyedIn addition to the rich 1-player storyline, Pathway to Glory features the kind of multiplayer options that N-Gage was made for: go against another player using the same game deck with the Hot Seat option, or connect via Bluetooth technology and go head-to-head.
在现实的声音演戏方面增加,而且你正要拿个性的整个排给在情绪上附上的 toa在战场上的每个物体是可破坏的-而且一经资讯科技被破坏,它停留破坏发现你站着哪里:钮扣的推给你一个概览,如此你能很快地恢复一种不稳定的情形控制除了富有的 1个运动员的剧情之外,通往光荣的道路以可多人玩的选项类型为特色 N-规格被有益:去对抗和困境选项一起使用相同的游戏甲板的另外一个运动员,否则经由 Bluetooth 技术连接而且去头-到-头。