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The arguments on the necessary for quantized evaluation toward quality of services of multicast in Overlay networks are given. The concept of twodegree homeomorphism reduction multicast tree is introduced, extend Bowman's method for evaluating QoS of unicast dataflow by using stochastic process algebra is promoted, a modeling scheme is proposed for quantized evaluating QoS of concrete multicast instances in Overlay networks with simulation tool PEPA workbench.

论述了对Overlay网络中组播的服务质量进行量化评价的必要性,引入了组播树二度同胚约简的概念,推广了Bowman评价单播数据流服务质量的随机进程代数方法,提出用随机进程代数对Overlay网络中组播的服务质量进行评价的建模方案,并用PEPA workbench模拟工具针对具体的组播实例的服务质量进行了定量分析。

When electron accelerates, its charge quantity won't change, as a result, its electromagnetic mass is constant, and the electromagnetic mass won't satisfy Lorentz transformation,thus, there is obvious inconsonance if we treat electromagnetic mass as a part of the gravity mass ---- as long as we insist the idea that the charge quantity of any electron is a constant.

当电子加速运动的时候,其电量是不会改变,所以其电磁质量不会发生改变,电磁质量不满足Lorentz transformation,因此把电磁质量作为引力质量的一部分存在着不协调性——只要维持电子电荷值不变的观念,这个问题不管怎么也解释不通。

According to the quality problems of continuous casting slab existed in Benxi Iron and Steel Group Co., the content, shape and chemical component of non-metal inclusions and the gas content in the slab of Q235 Grade were analyzed and measured by large sample electrolysis, metallographic analysis and SEM spectrum et al.

结合本溪钢铁集团公司连铸板坯质量存在的问题,应用大样电解、金相分析、扫描电镜能谱分析等检测手段,对选定典型钢种(Q235)铸坯中夹杂物的质量分数、形态及组成,铸坯中气体等进行了分析和综合评价,并提出了改善铸坯质量的具体措施,为进一步提高本钢连铸坯质量提供了理论指导依据。

The results are the following: When calculating the motion mass, it is better to use idler's equivalent mass instead of the rotating part mass and serial idler's rotating inertias and equivalent mass are calculated. The accurate analysis result for the deflection curve length of the belt shows: The error calculated by the approximate parabola length is lower than 10〓. Thus the approximate method is accurate enough for calculation. The relations between the running resistances coefficient and the belt velocity are studied by experiment, which are the bases for calculating the linear coefficient values between them.

得出:在计算参与运动质量时对托辊应采用托辊的等效质量而不是目前采用的托辊旋转部分质量,并计算出了系列的托辊转动惯量和等效质量;对输送带的挠曲线长度进行了精确的分析,结果表明:采用近似的抛物线长度计算方法其误差在10〓以下,因而得到在计算输送带挠曲线长度时采用近似的抛物线具有足够的精度;对输送机运行阻力系数与带速间的关系进行的实验研究,得出阻力系数与带速线性关糸的系数值。

The result showed that the biomass of root, stem and leaves of Quercus virginiana were reduced with the increase of salinity and the decline of dry weight of stem and leaves was greater than that of root, which indicated that the aboveground of live oak was more sensitive to salt than the underground which lead to the increase of root-shoot ratio.

结果发现,在经过不同质量质量浓度NaCl处理21d后,随着NaCl质量质量浓度的增加,弗栎植株生长受到抑制,其中茎叶生物量减少的幅度较根系大,表明弗栎地上部生长比地下部对盐胁迫更加敏感,从而导致根冠比增加。

Considering the mass-velocity relation and mass-energy relation, an object's inertial mass isn't equal to its gravitational mass in some cases; under the conditions of equality of velocity, temperature, pressure and the like, an object's inertial mass may be equal to its gravitational mass.

摘 要 考虑质速关系和质能关系可以得出结论:并非在任何条件下一个物体的惯性质量和引力质量都相等;在等速、等温、等压等条件下,一个物体的惯性质量和引力质量可以相等。

Fiber optic cable, cable has access to the State Administration of Radio, the Ministry of Information Industry, the People's Liberation Army General Staff, Nanterre and Certification Center presented the "license, that certificate", prestressed steel wire was "outstanding new products in Jiangsu Province","State Sampling of prestressed concrete steel excellent quality assured brand "title, the Ministry of Railways is designated manufacturers; security fence access to Traffic Engineering Test Center awarded the" product certification "," traffic engineering products approved production installation Zhunyong Zheng "; In 1999 the company adopted the ISO9002 quality system certification, in January 2006 passed the ISO9001: 2000 quality system replacement (McIntyre and Certification Center), and agreed,"the Ministry of Agriculture total quality management standards enterprises","the contract for 10 years And keeping promises "," Changzhou City civilized units "and the honorary title.

光缆、电缆先后获得国家广电总局,信息产业部、解放军总参谋、泰尔认证中心颁发的"许可、认定证书",预应力钢丝获得"江苏省优秀新产品"、"国家抽查预应力混凝土用钢材质量过硬放心品牌"称号、是铁道部定点生产厂家;安全隔离栅获得交通部交通工程检测中心颁发的"产品合格证"、"交通工程产品批准生产安装准用证";公司于1999年通过了ISO9002质量体系认证,2006年1月又通过了ISO9001:2000质量体系换证,并获"农业部全面质量管理达标企业"、"连续十年重合同守信用单位"、"常州市文明单位"等荣誉称号。

In order to ensure the quality of raw materials, industrial naphthalene from the quality and source control; with a perfect quality control system and a full set of detection equipment so that product quality has reached the level of the domestic first-class and enhance the competitiveness of the product for the enterprise laid a good foundation.

为了保证质量,公司从原材料工业萘的质量和来源上进行控制;配合了完善的质量监控系统及全套检测仪器设备,使产品质量达到了国内一流水平,提高了产品的竞争力,为企业的发展奠定了良好的基础。

We investigate phenomenologically effects of the flavor-dependent quarkonia annihilation on the meson-meson mixing, and find that corrections due to the flavor-dependent quarknoia annihilation can be described by the constituent quark masses in the mixing model which holds for all the meson nonet. We also study the relation between Regge trajectory and meson spectrum, and therefore concluded that the quasi-linear Regge trajectory with the requirements of additivity of intercepts and inverse slopes can describe the meson spectroscopy with good accuracy, and it also holds for the radial excited mesons except for the bbbar mesons.

我们唯象地研究了味道有关的夸克偶素湮灭效应对混合的影响,发现味道有关的夸克偶素间的湮灭引起的修正可以通过组分夸克的质量来描述,考虑这种修正的混合模型可以用于所有的介子九重态;我们也研究了Regge轨迹和介子质量间关系,发现满足截距相加及斜率倒数相加的准线性Regge轨迹可以很好地描述介子的质量,除bbbar外,线性Regge轨迹也可以很好地描述介子激发态的质量;最后,我们借助于赝标介子和标量介子,讨论多个共振态的混合及衰变。

The characteristics of the CMMI were discussed by analyzing its application in the improvement of the quality management of the account project of the telecom business operation support system by the mistake prevention and the quality guarantee.

文中主要结合CMMI在北京某公司开发的电信运营支持系统中的应用来谈CMMI对质量管理的作用。围绕质量保证中的防御和质量控制中的缺陷检测两个部分来探讨它对质量保证的改进。

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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。

In fact,I've got him on the satellite mobile right now.

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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。