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The World Carnival, ranking equal as a super recreation name to Disney and Universal Studio, has concluded itstours in ......
The legend surrounding the tomb of Jiangn(?) is well-known throughout Suizhong County, Liaoning Province. During the re......
Tens of thousands of visitors attended the China national exhibition on “Rural Women’s Achievements in Ten Years of t......
Software-defined networking(SDN) introduces centralized controllers to increase network programmability drastically. Dis......
Research on High Pressure Gas Injection As a Method of Fueling, Disruption Mitigation and Plasma Ter
High-pressure gas injection has proved to be an effective disruption mitigation tech-nique in DIII-D tokamak experiments......
The results from four cruises(Nov.1991—Jul.1992)to examine fluxes of ammonium uptake andregeneration in the surface lay......
A principal challenge in supporting real-time video services over ATM is the need to provide synchronous play-out in the......
Based on the Distributed Coordination Function (DCF) and the Enhanced DCF (EDCF) mechanisms in IEEE 802.11 and 802.11e, ......
A hybrid system of cellular mode and device-to-device(D2D)mode is considered in this paper,where the cellular resource i......
“YD/T 1365-2006 Technical Requirements for Radio Access Network (RAN) Equipment of 2GHz TD-SCDMA Digital Cellular Mobil......
Glomus tumors are uncommon,benign,small neuro-vascular neoplasms derived from glomus bodies in the reticular dermis. Glo......
针对现有提高无线网络中传输控制协议(TCP)吞吐量方案(如Snoop)的若干局限性,提出一种改进方案,利用数据链路层的自动请求重传(ARQ......
为了最大限度地利用船模曲面的三族型线,使造型结果蕴涵更多的船模曲面的设计信息,分析了各类曲面造型方法构建船模曲面的不同效果,提......
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研究了网络编码应用到认知无线电中的可能,发现在认知无线电中应用网络编码技术,可以减少非授权用户和授权用户的冲突概率,增加无线网......
本文针对二维Mesh结构片上网络,在转弯模型的基础上提出一种新的路由算法——区域转弯算法,以获得更低的延迟时间和更高的吞吐率.该算......
针对OFDMA系统下行链路资源分配和调度问题,提出了一种跨层子载波和功率联合分配算法。其优化目标是在保证每个时延敏感用户的平均......
从理论与实践上对地下顶管的定位控制及其精度进行了研究,认为这一方法是有效的,并可在工程中应用。上海市过黄浦江地下顶管的准确贯......
研究了两类LTE系统在同一地理区域邻频部署时的共存干扰情况,使用System Vue搭建链路级仿真平台对1.8GHz、1.9GHz频段的LTE基站进行了......
业务质量问题是目前Internet业界讨论最热烈的问题之一.作为应用最广泛的传输协议,TCP的性能问题一直备受关注.文研究了在TCP/ IP......
针对宽带频谱感知问题,构建了系统优化模型.该模型通过寻找最优的权重系数,提高最大化系统吞吐量.考虑到优化模型目标函数的非凸性......
根据CSMA/CD协议的工作原理,提出了CSMA/CD的固定分配和随机分配两种多业务、多信道的随机多址分配数学模型,通过理论分析和计算,......
概述了IC芯片的铜镶嵌构造和高端电子安装领域中与半导体IC相融合的互连板的电镀技术动向。......
介绍了镇海炼油化工股份有限公司1999年7月建成的我国第一套千万吨级大型常减压蒸馏装置的特点以及试车、生产和标定情况,包括采用......
在异构网络中,部署多种小功率基站,会出现大量的“小区边缘区域”,边缘用户的性能会受到影响。为此,提出了一种边缘用户小区选择算法,通......
调优客票系统数据库的性能很重要.在SQL Server级的调优,有管理内存、锁、多引擎、设备、临时库和事务方面的内容;在数据库设计级,......
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ON CRACK-TIP STRAIA ENERGY RELEASE RATE IN NON-PRINCIPAL DIRECTIONS OF ELASTICITY FOR SIMPLE LAYER P
In this paper,the fracture problem in non-principal directions of elasticity for a simple layer plate of linear-elastic ......
由于二维裂纹扩展模式不能非常全面地反映岸边集装箱起重机结构件的疲劳裂纹扩展行为,以岸边集装箱起重机圆管构件为研究对象,利用Ze......
Effect of carbon and nitrogen ratio control on Artemia growth, water quality, biofl oc microbial div
Biofloc technology has been applied successfully in the intensive aquaculture of several fish and shrimp species. The gr......
文中提出一种新型方钢管柱-H型钢梁节点,采用T型钢通过高强螺栓将内置加劲部件的方钢管柱与H型钢梁连接.利用ABAQUS建立该节点有限......