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Taking the unknown coordinate in curved surface and curve as design variables, the equation of curved surface as constrained condition, and the distance between unknown coordinate as objective function, optimization is proposed to minimize the distance between curved surface and curve.

建立以曲面、曲线上未知,点坐标设计变量,以曲面和曲线方程为约束条件,以曲线和曲面距离为目标函数的约束优化方法来精确地确定曲面和曲线之间最短距离,同时确定获得最短距离对应的坐标点。

Secondly, to diagnosticate pinpointedly and manage promptly transformors defaults, in combine to instances, this thesis summarizes the character and manage of those defaults resulted from improper maitenace or overload, summarizes the character and manage of those defaults resulted from multipoint ground, specialy dissertates the measuring routine of and the routine of.

接着,以变压器故障为对象,以准确诊断、快速处理故障为目标,结合有关实例总结了维护不当或过负荷诱发故障的特点、处理办法,结合有关实例总结了铁心多点接地故障为对象的特点、处理办法,并重点论述了铁心多点接地的诊断流程和气相色谱的分析流程。

A whole "by a person" to revitalize the national communications industry as their duty to do for the industry leader in goals, determination for the country, and make greater contribution to society.

全体"科创人"以振兴民族通讯业为己任,以做行业领头羊为目标,决心为国家、社会做出更大的贡献。

Since the 1960s,the leading shipbuilding countries begin to study on the ship condition monitoring and trouble analysis, Nobodys engine-room shipping on duty appeared .certainly the condition monitoring and trouble analysts system also meets some question ,such as: only give alarm or show the actual value of the parameter, does not possess the function of analyzing and giving operator the direct suggestion function about the complicated trouble reason , Only monitor the present running conditions, does not possess the function of predicting equipment future and run reliability though trouble analysis technology makes good progress in these yeas, onboard the ship is still rare .aiming to improve the shipping safety, this paper make some research work on the ship engine-room, the main innovation are as follows:Firstly, this paper introduces and analyzes the research work and current situation on the condition monitoring, trouble analysis and safety assessment .especially in the maritime fields .

船舶机舱系统结构复杂,故障源多,征兆参数丰富,故障与征兆之间常常不存在简单的对应关系,而是相互影响,关系错综复杂。60年代以来,世界上先进的造船国家都相继开展了船舶机械状态监控和故障诊断的研究,出现了无人值班机舱船舶,但仍存在不足之处,如:只给报警提示或显示参数的实际值,不具备对复杂故障的原因分析并给操作者以直接的提示或建议功能;只监测当前的运行状况,不具备预测设备未来运行可靠性的功能;尽管近年来设备故障诊断技术得到了很大的发展,但真正能成功应用于实船的尚不多见。本论文以船舶机舱为对象,以提高船舶营运安全性为目标,来研究船舶机舱的安全控制技术,主要内容如下:首先,介绍和分析了状态监测、故障诊断和安全评估的研究内容和现状,尤其是在船舶领域的研究近况。

New multi—objectives function (including mill stand longitudinal stiffness, distribution coefficient of loaded pressure between rolls, weight of mill stand, rolling power, rolls loaded gap profile changeability of bending force, transverse mill stand stiffness of bending force, transverse mill stand stiffness of rolling load) multi—constraints (including rolls strength, spindle strength, backup roll bearing load, minimum rollable gauge, roll surface temperature rise) rolls system parameters optimization model of four—high cold strip mill is established, and programme for mill structural illustration creation on the platform of AutoCad designs is compiled. With this as basis, rolls system parameters of Yichang thin strip corporation's 1219 cold mill are calculated using SUMT (subsequent unconstrained minimization technology).

本文建立了以板形和板凸度控制特性为目标的四辊轧机多目标函数(包括轧机纵向刚度、辊间压力分布系数、轧机重量、功率、弯辊力对轧机辊缝形状改变能力、对弯辊力的横向刚度、对轧制力的横向刚度)、多约束条件(包括轧辊强度、接轴强度、支承辊轴承负荷、最小可轧厚度、轧辊温升等)的辊系参数优化模型,以此模型为基础,利用惩罚函数法计算了益昌薄板公司1219冷轧机辊系参数,编制了AutoCAD平台下的轧机结构示意图自动图形软件。

Wuhan Infante will always insist on providing the most efficient service, the most professional technical support, most users demand products that the principle of responsibility in order to revitalize national industry, so as to achieve maximum user satisfaction as the goal!

武汉方特将始终坚持为用户提供最快捷的服务、最专业的技术支持、最符合用户需求的产品的原则,以振兴民族工业为己任,以达到用户最大的满意为目标!

For a start, before the seismic inversion it is essential for a reservoir to enhance the basic research of the rock geophysical characteristic analysis, horizon calibration, fidelity processing and model analysis, etc., and of the reservoir's lithologic character, physical, electrical and gas bearing property. Subsequently based on the fundamental principle of seismic inversion, a series of inversion methods and their application conditions were emphasized. Finally, taking Labureng area as a target, by comparing various inversion effects, we aimed at enhancing the precision of seismic image, increasing SN ratio and resolution, and highlighting seismic responses of the target strata, and presented reliable geophysical references for the understanding of reservoir evaluation, gas bearing modelbuilding and reservoir mechanism in HJQ area.

首先把地震反演前的基础研究工作做扎实,其中包括储层的岩性、物性、电性、含气性在内的岩石地球物理特征分析、层位标定、保真处理和模型分析等;其次从地震反演方法技术的基本原理出发,重点探讨各种反演方法的技术特点和应用条件;最后以杭锦旗地区拉不仍工区为靶区,通过对不同地震反演方法处理效果的综合对比分析,以提高地震成像精度、提高信噪比和分辨率、突出目的层段的地震响应特征为目标,为杭锦旗地区储层评价、含气模式建立,成藏规律的认识提供可信的地球物理依据。

With reference to the experience of specific practice on strategic alliance in typical domestic and overseas port like New Jersey Port in New York, port of Kaohsiung, Keelung and Taizhong, major ports in Yangtze River Delta, the possible modes of Rizhao Port strategic alliance were proposed. Based on the previous analysis, specific design on the supply chain management system of Rizhao Port viewing from strategic alliance was given in this dissertation, which mainly covered two aspects. On the one hand, based on the overall review of common design process, structure design and selection of partnership of supply chain management, and with consideration of the development trend of Rizhao Port, the double-sector style supply chain structure mode of Rizhao Port was put forward based on strategic alliance. On the other hand, in order to make it more clear on the specific process and contents of this kind of supply chain structure, the specific implementation of five supply chain for Rizhao Port in which capital was taken as the hub were proposed, named as, the coal supply chain based on norm regular ship transport mode, the ironstone supply chain based on cost optimization, the crude oil transport supply chain with the aim of extending petrifaction industrial chain, the timber transport supply chain based on circulating economy concept, and the farming transport supply chain based on futures theory.

在前文分析的基础上,论文重点论述了基于战略战略联盟的日照港口供应链管理的总体框架构建和具体规划设计两方面:一方面,在对供应链管理一般构建流程、结构设计、供需均衡及合作伙伴选择等方面进行全面总结基础上,并结合日照港口的发展趋势,推出了基于纵向战略联盟的日照港口集团式双扇形供应链结构模型;另一方面,为进一步理清日照港口双扇形供应链结构中相关供应链的具体流程及内容,特提出了以资本为纽带日照港口五大供应链的具体设计,即基于准班轮运输模式的日照港煤炭供应链,基于成本最优化日照港口铁矿石供应链,以延伸石化产业链为目标的日照港原油运输供应链,基于循环经济理念的日照港木材运输供应链,基于期货理论的农业定单式日照港农业运输供应链。

And they have to carefully select the chief executive officer (minister without portfolio responsible for gender/women's affairs) to make sure that she has expertise, global perspective, managerial skills, political influence and commitment to feminist ideals.

二次战后,在联合国、欧盟、世界银行、APEC等国际组织和亚洲协会、福特基金会等美国援外机构大力促导之下,性别平等一直是国际社会关注的议题之一,并且随著国际政经情势的变化,以不同的语言,结合不同的策略,由外往内,给予各国政府压力和诱因,将性别平等建制化;同时也提供资金及论述,刺激和引导了在地妇女运动的发展。1946年联合国妇女地位委员会成立之后,以联合国为主的国际组织曾先后以提升妇女地位或促进性别平等为目标,要求各国政府设立妇女地位委员会(commission on the status of women)、发展妇女参与国家发展方案、设置妇女政策机制(women's policy machinery)或性别平等机制,均广为各国政府遵从,2004年165个国家都因而设有某种提倡两性平等的政府机制,1995年北京世界妇女大会提出性别主流化做为全球性策略之后,十余年间也蔚为国际风潮,甚至成为国家进步的指标。

According to the complexity of marine safety management decision making,the model of multi-goals information utility for marine safety management decision making is constructed in the paper.Based on multi-goals utility theory, this model is validated with the goals of navigability and economic benefits to indicate its reasonableness.

根据船舶安全管理决策的复杂性,运用多目标效用理论,构建了船舶安全管理决策的多目标信息效用模型,并以船舶适航性和经济效益为目标,对所建立的模型进行验证,表明其科学性和合理性。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。