硫化天然橡胶溶胀曲线的一种拟合方法

探讨采用１／Ｙ＝Ａ＋Ｂ／Ｘ数学模型拟合硫化天然橡胶溶胀曲线。结果表明，该模型能好地描述硫化天然橡胶溶胀的动力学过程，对三种不同交联密度的样品拟合后，其相关系数均大于０．９７４８。     

CCM构件实现框架的分析与研究

CCM构件实现框架(CIF）为构造构件实现定义了的编程模型。作为编程抽象，CIF不但能与现存POA框架兼容，而且还能使编程人员与它的复杂性隔离。CIF使用CIDL描述创建编程框架自动化构件的基本行为。该文对CIF的架构和语义进行了剖析，描述了CCM构件的实现，然后CIF内部元素的关系进行了研究。     

Silicon-Germanium Structure in Surrounding-Gate Strained Silicon Nanowire Field Effect Transistors

In this paper we numerically examine the electrical characteristics of surrounding-gate strained silicon nanowire field effect transistors (FETs) by changing the radius (R_SiGe) of silicon-germanium (SiGe) wire. Due to the higher electron mobility, the n-type FETs with strained silicon channel films do enhance driving capability (∼8% increment on the drain current) in comparison with the pure Si one. The leakage current and transfer characteristics, the threshold-voltage (V_t), the drain induced barrier height lowering (DIBL), and the gate capacitance (C_G) are estimated with respect to different gate length (L_G), gate bias (V_G), and R_SiGe. For short channel effects, such as V_t roll-off and DIBL, the surrounding-gate strained silicon nanowire FET sustains similar characteristics with the pure Si one.     

改善基桩低应变动测的若干方法

介绍了桩基瞬态导纳动测法的原理,根据实践体会来探讨该法的误差来源,以及消减误差的方法.     

基于数据挖掘的设备状态监测和故障诊断

从设备状态监测和故障诊断与数据挖掘技术之间的相互关系出发，在全面地介绍数据挖掘的起源、发展和相关产品的基础之上，重点讨论了它在特征提取、状态识别、诊断决策等与设备状态监测和故障诊断相关领域中的应用，指出将数据挖掘应用于设备状态监测和故障诊断领域具有重要的研究价值和实际应用意义。     

不规则形状图象矩特征的一种快速准确算法

介绍了一种基于边缘点计算矩特征的方法,该算法实现思路清晰,编程实现简单,结果准确,且可应用到其他形状特征的计算中。     

交换式以太网的计算机建模与仿真

文章在对以太网原理和运行机制以及交换式以太网工作原理深入研究的基础上,对交换式以太网系统进行了基于传输层的模型抽象,采用面向事件的模拟仿真建模方法定义网络实体以及相关事件,并且将仿真结果与实测数据进行了对比。     

无起拱烧结机新理论的研究

通过多年的试验研究，发现烧结机台车起拱是由台车过剩力矩所引起，提出了一种利用液压阻力矩方法及装置自动消除烧结机尾部台车过剩力矩的理论。依据该理论所设计的烧结机消除了台车起拱，因而避免了台车磨损，减少了漏风率。     

WiNoC中协同拥塞控制的高性能路由器设计

无线路由器作为无线片上网络中无线通信的关键部件,若出现拥塞将会严重影响网络性能。基于此,提出一种协同拥塞控制的路由器(C~3WR)设计方案。该设计针对无线接口接收端缓冲区拥塞,首先通过无线输入端口与本地其他输入端口缓冲区级联的方式,为拥塞的数据提供多路径传输,其次提出WCC算法分流数据包缓解无线接收端拥塞。针对无线接口发送端缓冲区拥塞,采用动态路由策略,降低对拥塞无线路由器的流量注入率。实验结果表明,相较于对比对象,C~3WR路由器吞吐率最多增加33.80%,网络延时最多降低33.17%,面积功耗开销可接受。该方案以协同拥塞控制的方式均衡网络流量分布,保证了系统的性能又充分利用了可用资源。     

Determination of Aldehydes in Environmental Water by Solid-Phase Microextraction and Gas Chromatography - Ion Trap Mass Spectrometry

Microwave-assisted extraction coupled to headspace solid-phase microextraction with on-fiber derivatization with gas chromatography ion trap mass spectrometry analysis is reported for the determination of aldehydes in environmental water. Hexanal, (E)-2-hexenal, heptanal, octanal, nonanal, E-2-decanal, and E, E-2,4-decadienal were employed to develop and validate this method. The effects of relevant parameters on the quantitative extraction of these analytes in this one-step procedure were systematically investigated. The aldehydes were extracted from environmental water by a poly(dimethylsiloxane)/divinylbenzene fiber using o-(2, 3, 4, 5, 6-pentafluoro)-benzylhydroxylamine as the derivatization reagent. Under microwave-assisted heating, the aldehydes were transferred from water by headspace solid phase microextraction. Thus, efficient extraction and derivatization were simultaneously achieved. The recovery values ranged from 72.2–96.9%, and the relative standard deviation was between 4.1–14% for the aldehydes. The detection limits were from 0.001–0.005 µg L^?1. The method was validated illustrating its potential for the analysis of environmental water while offering simplicity and rapid analysis.