性能

To develop a new kind of absorbent applied to organic exhaust gas purification and recovery, and featured by its good absorption and desorption performances, stable absorbefacient and distinct separation between solute and solvent, on the basis of previous work, a study task of liquid paraffin regarded as an absorbent has been established and some relevant fundamental researches have been done on the liquid paraffin absorbent.

为选择一种适用于有机废气吸收净化、回收，且吸收性能好、解吸性能优越、溶质和溶剂分割清楚、吸收性能稳定的吸收剂，本论文在前人工作的基础上，确立了以液体石蜡作为吸收剂的研究课题，并对液体石蜡吸收剂进行了初步的基础性研究。通过进行液体石蜡对苯吸收性能和解吸性能的基础性研究，得出以下主要结论：液体石蜡对苯的吸收量大；其本身的沸点在340℃以上，对吸收质分割清楚；液体石蜡粘度适中，动力消耗小。

Dynamic mechanical analysis,mechanical properties and the thermal dilatability measurements were used to study the effects of SF content on dynamic mechanical properties,impact strength,bending strength,bending modulus,specific strength,specific modulus,wear resistance and thermal dilatability.

采用动态力学、力学性能、热膨胀性能等测定研究了剑麻纤维的加入量对复合材料的动态力学性能、冲击强度、弯曲强度、弯曲模量、比强度、比模量、耐磨性能、热膨胀性能的影响，用扫描电镜观察了材料冲击断面和磨损面的形态。

In terms of memory hierarchy, we investigated how to improve the cache hit rate and localize data according to the characteristics of cache, master memory, local disk and remote disk in cluster systems. As for communication, features of cluster systems and different cluster internal networks are examined. Two popular parallel programming models - message passing model and share memory model - are analyzed in terms of how do they affect the cluster performance and how can we improve the cluster performance.

在处理器层面，分析了现代处理器中常用的一些技术，包括超线程技术、超长指令技术和NUMA架构等，对不同特点的程序的性能影响和如何充分利用处理器中的一些技术提升性能；在存储层次上，结合机群系统上Cache、主存、本地辅存及网络存储的存储层次的特点，分析了数据局部性、Cache命中率等对性能的影响以及提出如何提高数据局部性；通讯系统层面分析了不同机群通讯系统及不同机群通讯网络的特点；在编程模式方面，分析和比较了目前最常用两种并行编程模式--消息传递编程模式和共享存储编程模式，在机群系统上对性能的影响因子以及提出如何提高性能的方法。

Hollow glass is widely accepted by more and more consumers because of its advantages of irreplaceablely optical functions ,heat functions,sound insulation functions,frostproof functions,saving materials and relatively light weight etc.

它以其不可替代的光学性能、热学性能、隔音性能、防结露性能、节省材料、相对重量轻等优越性能博得广大消费者的青睐。

The dissertation focuses on performance gradient estimation and SRO algorithm of DES aswell as other related topics,such as modeling of DES and discrete event simulation,performancemeasure Hessian matrix estimation,Stochastic Approximationand so on.General Semi-Markov Processis adapted to describe behaviour of DES and discrete eventsimulation.A general result is obtained and applied to analyze strong consistency of performancegradient Perturbation Analysisestimator.Conditions for effectiveness of InfinitesimalPerturbation Analysisare also discussed.New PA algorithms,such as server PA,PA usingDirac generalized function,job sequence PA etc.,are proposed to deal with discreteparameters.Furthermore,strategies of combining PA algorithms with certain iterative rules areanalyzed widely in order to optimize DES parameters and some SRO algorithms are constructed toslove DES optimization problems.

论文将DES性能分析领域中性能梯度估计和单运行仿真优化作为主要的研究对象，探讨了与性能梯度估计有关的DES和离散事件仿真过程建模、高阶导数估计以及随机逼近等理论和方法；建立了具有一般性的DES和离散事件仿真的广义半Markov过程模型；获得了分析性能梯度估计量强相合性的理论结果和无穷小摄动分析算法应用的条件；提出了诸如服务台数目的摄动分析、奇异摄动分析、串联生产线和加工车间中工件加工序的摄动分析等一系列摄动的思想和算法，对连续参数和离散参数都进行了深入的研究；对摄动分析算法同优化规则结合实现仿真优化的策略也进行了广泛的分析，构造了新型的变界截尾的随机逼近算法，并用于DES的单运行仿真优化研究；最后，给出了DES性能分析方法的实证性研究结果。

They are as following: to establish the selection method of the slaving designed quality functions according to the interrelationship among designed quality functions; to construct the measurement functions of the optimality robustness with the hypersurface characteristics around the current iterative point of designed quality functions.

具体地，根据设计性能函数之间相互关系给出了处于支配地位设计性能函数的选择方法；利用设计性能目标函数在当前迭代点附近的超曲面特征，构造设计性能目标函数的最优性健壮度量函数；按照系统有序化设计模型的最优解应同时具有可行性健壮与最优性健壮的要求，通过计算设计性能目标函数与约束函数对设计变量的波动与非设计参数的波动的一阶敏度来确定系统有序化设计模型中的健壮参数；并以此为基础建立了进一步考虑非设计参数波动对设计变量波动有影响的后健壮分析方法。

The performance capability of DOCSIS compliant architectures is dependent upon the headend scheduling algorithms which are not specified in the specifications. Therefore, it is important to establish a set of reference performance characteristics for the most simple of scheduling algorithms against which more complex algorithms can be compared. A prioritized FCFS scheduling algorithm is adopted in this paper.

即使对于严格要求的实时CBR业务的延时性能，采用抢占优先级的服务策略所能提供的性能也大大好于业务所要求的性能，这就为进一步提高非实时数据业务的延时性能提供了机会，有可能采用适当的调度策略在满足实时CBR业务的延时性能的基础上，提高非实时数据业务的延时性能。

The mechanical properties, fatigue characteristics, welding properties, carbonizing characteristics and wear resistance of meta-bainite steel s are showed and discussed.

论述了准贝氏体钢及使用性能的几个问题，如力学性能、疲劳性能、焊接性能、渗碳性能、耐磨性能等。

This thesis mainly includes the following aspects: systematical introduction to environmental protection textile and garment products consciousness and opinions as well asstandards, and introduction and analysis of main environmental protection textile and garment products in the world at present; experiments on testing the wearing properties such as appearing shape, wet comfort, and wear-resistance and so on ,of various Tencel, Modal and cotton knitted fabrics and then analyzing and evaluating these wearing properties so as to get all factors influencing their wearing properties through contrasting different fabrics; by clustering analysis processing and analyzing data from experiments ,in order to evaluate wearing properties of Tencel and Modal fabrics and gain further conclusions; working out a detailed practical scheme for S company to develop environmental protection knitted garment products , analyzing the necessity and feasibility to develop such products, purling forward schemes in developing products and carrying out brand strategy and estimating their economic benefits.

为此，本文主要进行了以下工作：系统阐述了环保纺织服装产品的理念、标准并对目前国内外主要环保纺织服装产品进行评述和分析；实验测试不同种类的天丝、莫代尔和棉等针织物的外观形态、舒适性、耐用性等三方面的服用性能，对天丝和莫代尔针织织物的各项服用性能进行分析评价，并从不同织物性能差异的分析比较中得出影响该类织物服用性能的各项指标；采用数理统计中的聚类分析方法对实验测定的织物各项服用性能的数据结果进行处理和分析，将各项测试结果综合考虑，以评价天丝莫代尔织物的综合服用性能；对国内著名服装企业S公司开发该类环保面料的针织服装产品具体实施方案进行了研究，分析企业开发该类新型服装产品的必要性和可行性，初步设计提出了企业产品开发和品牌操作方案并对该方案的经济效益进行了预测分析。

The layered silicate/rubber nanocomposite possessed excellent physical properties,air-tightness,fatigue resistance,better flame retardance and ablation resistance.It could be used in inner tube,OTR tire tread and cover layer of conveyor belt to improve the product performance.

层状硅酸盐/橡胶纳米复合材料具有优异的静态物理性能、气体阻隔性能、耐疲劳性能以及一定的阻燃性能和抗烧蚀性能，应用于轮胎内胎、工程机械轮胎胎面和输送带覆盖胶等可提高产品性能。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。