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Everyday everybody goes on the ave to see fruity sells on roadside, gadgety, fastfood, local speciality, the everybody such as vegetable's common thing is it is be accustomed to sth very, see make a living as a performer even, of beg for food, of panhandle, the edition that buy steel dish no wonder, what see suddenly there are a few to sell a website on roadside is to have a place it seems that too accident, this can be fictitious network product, what also calculate is hi-tech, how can you take the land will sell on booth???
每天大家走在大街上看到路边上卖水果的,小玩意,小吃,土特产,蔬菜等大家常见的东西都是很是习以为常,甚至看到卖艺的,讨饭的,讨钱的,买盗版盘的都不足为奇,突然看到路边上有几个卖网站的似乎是有点太意外了,这可是虚拟的网络产品啊,也算的是高技术,怎么会拿到地摊上来卖呢???
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The paper introduces some researches, such as a new method to calculate the added mass for the seismic analysis of the fuel assembly in fast breeder reactor, simulation on the vortex shedding of double heat exchange tubes in a steam generator, simulation on the vortex shedding caused by the cross -flow over plates in a fuel assembly of an advanced reactor, the research on the impacting phenomenon of the free-surface on the vessel head in a storage tank as the main vessel of the China Experimental Fast Reactor shaken by the earthquake, and the researches on the solution of the liquid sloshing by moving particle semi-implicit and the scattering phenomenon caused by sloshing, and so on.
本文介绍华北电力大学在该方面的一些研究进展,例如,快堆燃料组件抗震分析新的流体附加质量计算方法研究;蒸汽发生器换热管双管漩涡脱落的数值模拟;一个先进堆燃料组件平行板上流动引起的漩涡脱落数值模拟;由地震引起的自由表面对快堆主容器冲击现象的研究;移动粒子法求解液面晃动及晃动引起离散现象的研究等。
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Based on fouling monitoring of boiler,this papers studied on method based on minimal cleanliness factor to determine sootblowing opportunity, method based on best frequency to calculate critical cleanliness,method base on the principle of maximal heat income caused by sootblowing to determine sootblowing period, method based on the principle of safety first to determine sootblowing schedule. All the above methods together can determine the correct schedule to sootblowing system.
基于锅炉各受热面的实时监测模型,本文在保证设备安全运行的前提下,从经济性出发,提出了基于临界清洁因子确定最佳吹灰时机和根据吹灰收益最大原则确定最佳吹灰周期,并给出基于吹灰最佳频率确定临界清洁因子的方法,给出制定合理的吹灰方案的步骤。
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This thesis firstly elaborates on researches at home and abroad on factors affecting the development of the construction industry, defines the contents of the construction industry, introduces its function and expounds the impact mechanism of various factors affecting the construction industry. Secondly, this thesis carries on a brief analysis on the current situation of development in Anhui construction industry to reflect its achievements and shortage since the beginning of reform and opening up, and makes a comparative analysis and comprehensive evaluation on the regional development level of Anhui construction industry through the method of Factor Analysis. Thirdly, this thesis tries to calculate the contribution rate of technical progress, labor and capital in economic growth of Anhui construction industry with the method of linear regression, empirically analyze the external factors affecting the development of Anhui construction industry by means of co-integration and granger causality test, and predict the development of Anhui construction industry by using the method of principal components regression.
本文首先对国内外有关建筑业发展影响因素的研究现状进行详细论述,界定建筑业的内涵和介绍建筑业的作用,研究各因素对建筑业发展的影响机理;其次,对安徽建筑业发展现状作了概括性的分析,以反映改革开放以来安徽建筑业取得的成绩和存在的不足,并运用因子分析法对安徽建筑业区域发展水平作了比较分析和综合评价;再次,运用线性回归法测算出安徽建筑业经济增长中的技术进步贡献率、劳动贡献率和资本贡献率,然后运用协整和Granger因果检验方法实证分析安徽建筑业发展的外部影响因素,运用主成分回归方法对安徽建筑业发展作了精度较高的预测。
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This invention provides an on-line analysis method and system for combined gas and steam cycle power station's efficiency, which comprises an on-site data-collecting unit, used to check the sub-devices state parameter in power station; a data base server linked to on-site data-collecting unit to stored the state parameter provided by data-collecting unit; modular arithmetic server used to calculate the gross operation efficiency of power station based on the data base state parameter and the influence degree caused by sub-devices property to the gross operation efficiency; client device to receive command input by clients and output the calculating result by modular arithmetic server.
本发明提供一种燃气―蒸汽联合循环发电站运行效率的在线解析方法和系统,在线解析系统包括:现场数据采集单元,用于测量电站各分设备的状态参数;与现场数据采集单元相连的数据库服务器,用于存储现场数据采集单元测量得到的状态参数;模型运算服务器,其根据从数据库提取的状态参数并计算电站的总运行效率和当前状态下电站各分设备性能对电站总运行效率的影响程度;客户机,其接收用户输入的命令并输出模型运算服务器的计算结果;网络,其将数据库、模型运算服务器和客户机连接在一起。
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Based on the modified Hertz contact theory and the simplified simulation of impact a new method is approved to calculate the impact force of outrunner blocks in debris flow on structures. Based on a limited parametric study, it is shown that the impact causes plastic deformation on concrete structures at a low velocity.
计算结果表明,泥石流大块石在很小的冲击速度(小于1m/s)下就可能导致混凝土材料冲击接触面上产生塑性变形。
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In order to avoid the limitation of using only Tobin's Q to evaluate marketing performance and return on equity to evaluate financial performance, this paper introduces factor analysis to calculate synthesized performance, successfully processing totally 12 original indexes, such as return on net sales, average return on equity, return on total assets, per share earning ratio, current ratio, quick ratio, debt to assets ratio, rate of stock-turn, accounts receivable turnover, total asset turnover, main business growth rate, and total assets growth rate.
为了避免单纯使用托宾Q值度量企业市场业绩以及使用净资产收益率等单一财务指标度量企业财务业绩的缺陷,该文运用了因子分子法求得上市公司的综合绩效,成功地对总共12个原始绩效指标,如销售净利率、平均净资产收益率、总资产报酬率、每股收益、流动比率、速动比率、资产负债率、存货周转率、应收账款周转率、总资产周转率、主营业务收入增长率以及总资产增长率等进行了处理。
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In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1~0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.
本文采用三维有限元浮动网格法仿真计算程序,对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析,对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析,在此基础上提出了推荐的施工方案;根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案;玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果,对推荐的施工方案进行了温度场和温度徐变应力仿真计算,并对比分析了两种不同骨料情况下的温度场和温度应力,结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求,且灰岩细骨料优于玄武岩细骨料;计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响,夏季蓄水方案与冬季蓄水方案相比,坝体上游变态混凝土区域最大拉应力小0.1~0.3MPa,其他部位最大拉应力无明显变化,夏季蓄水对坝体上游面混凝土的抗裂有利;根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施,对大坝的设计温控措施进行了综合评价,并提出了该工程的温控措施,对温控设计和优化施工方案具有重要参考价值。
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We cannt get result on how to change course and speed to make collision avoidance, this can help little on collision avoidance decision.The article aims at the default on Radar simulator and implements the standard result on Radar simulator by making use of MCU.the main production is below:First, we calculate how to chang course and speed on the destine point by MCU. We get the new course and new speed on the destine point,we get the point to resume original course and speed, we get the distance and azimuth to resume original course and speed on given course and speed, the six essential: DCPA, TCPA, distance, azimuth,real speed and real course.
本论文针对当前雷达模拟器标绘训练中的不足,实现了利用单片机进行雷达模拟器标绘标准值的计算,主要成果有以下方面:首先,利用单片机计算得到了在预定点改变航向和改变航速的计算,求得预定点改向的新航向C_N和预定点变速的新速度V_N,恢复原航向和原航速的时机点的计算;在给定避碰的新航向、航速的条件下,计算出恢复原航向/航速的时机点H的距离R_H和方位θ_H;目标船的六要素,即DCPA、TCPA、距离R、方位θ、真航速V_T和真航向C_T。
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From the point of practice and dvelopment, how to impove the ability of credit risk management for Yinchuan city commercial bank is discussed surrounding the client raiting and credit extention, measures of credit risk, management strategies of credit risk, conclusions of the paper are listed as the following:Through positive analysis, the current methods of client rating and credit extension is simple and convenient for application, there are four disadvantages in index system of it: non-customer subdivision, non-consideration factors on industrial risks, larger quantitative indicators ratio, non-consideration factors on affiliated enterprise risk, and some corrective measures are put forward to solve it, customer subdivision, factors-added on industrial risks, set stationarity indices ratio in reason, factors-added on affiliated enterprise risk; From the point of development, Based on the technology of Value-at-Risk and CreditMetrics model we discussed the methods of credit risk analysis and measurement and gave the example of how to calculate the VaR value of individual loan and combined loan; This paper probes into the strategies which raise the ability of credit risk management for Yinchuan city commercial bank from five aspects, including strengthen the inner control, improve the technique level of risk management through information technique, solve the problem of non-performing loan, adjust the credit orientation and structure, foster credit culture with its core based on risk control.
从实践和发展的角度出发,围绕客户评级授信、信贷风险测量、信贷风险管理策略三个方面,就如何提高银川市商业银行信贷风险管理水平展开研究,得出以下结论:通过实证分析,银川市商业银行现有的客户评级授信方法具有方法简单、易于推广的优点,但客户评级授信指标体系具有客户分组不细、未考虑行业风险因素、定量指标占比过大、未考虑关联企业风险因素的缺点,应通过细化客户分组,增加行业风险因素指标、合理设定定性指标比重、增加关联企业风险评价指标等措施进行改进;从发展的角度出发,在基于VaR框架和CreditMetrics模型技术的基础上,探讨了银川市商业银行信贷风险分析和度量的方法,给出了采用CreditMetrics模型技术计算单笔贷款、组合贷款VAR值的例子;从五个角度探讨了提高银川市商业银行信贷风险管理能力的策略和手段,包括强化信贷风险内控管理机制、利用信息技术提高信贷风险管理技术水平、综合治理化解不良资产、调整信贷结构、建立以风险控制为核心的信贷文化等对策。
- 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。