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This paper proposes a dynamic channel allocation scheme based on cognitive radio (CR). Firstly, the channel probing base......
A systematical simulation has been carried out on the indentation creep test on particle-reinforced composites. The defo......
Hydrogen embrittlement （HE） of TiAl intermetallics was studied at room temperature. The results showed that there were two......
Objective:To evaluate the role of spiral CT imaging postprocessing techniques in preoperative TNM staging of lung cancer......
Resistivity of water in the accelerator system is a very important parameter。Therefore,we adopt advanced water treatmen......
Investigation on Blanking of Thick Sheet Metal Using the Ductile Fracture Initiation and Propagation
In metal forming processes such as sheet blanking,severe plastic deformation localizes in a narrow shear band near blank......
By use of GMS-4 infrared brightness temperature and visible albedo data from January toFebruary in 1995,the method for ......
A new direction recognizing and subdividing method for moire (interference) fringes is presented. By setting two certai......
One of the critical techniques of quality of experience(Qo E) provisioning in single carrier frequency division multiple......
On the basis of energy and continuity equations a general threshold condition for chocking in open channels is obtained ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
高原鼠兔和高原鼢鼠是青藏高原特有的食草型小动物,其啃食、掘洞、刈割、贮草行为对高寒草甸生态系统既具有破坏损伤系统的负面效......
Along with the development of automatical truck dispatching in open pits, it is important to establish genera^1-purpose ......
农业可持续发展是实现我国可持续发展的重要保证。本文在系统论述农业可持续发展的内涵及判别标准的基础上,提出一套有效的农业可......
介绍了纸盒结构参数化设计的意义、方法,以及对加工中的让刀问题的处理措施....
针对目前广泛使用的b值对资料要求较高的缺陷,利用贝叶斯判别准则,计算强震前中小地震数比p值的方法,计算了西北地区6级以上地震前......
文章通过对我国国家注册工程师制度和我国加入WTO后建筑行业国际化趋势的分析,阐述了土木工程专业的教学改革必须与国家注册工程师......
理气概念是朱子理学中的核心概念,对朱子理学的"理先气后"的界定也成为其理学研究中不可忽视的部分。如何将"理先气后"概念诠释得......
探讨复杂的外国个人责任者名称著录的现状和存在问题，认为外国姓名在表现形式上的多样化和复杂化，以及目前我国出版部门未对外国个人......
Criterion of Quantum Entanglement and the Covariance Correlation Tensor in the Theory of Quantum Net
This article discusses the covariance correlation tensor (CCT) in quantum network theory for four Bell bases in detail. ......
新时期,如何做好大学生思想政治工作,充分发挥高校辅导员队伍在大学生思想政治工作中的整体作用,已成为当前做好新形势下大学生思......
在划分和确认金矿化集中区时需研究的重要问题之一就是集中区的范围和界限.在现有的技术经济条件下,确定金矿化集中区的范围和边界......
利用α-对角占优矩阵理论对矩阵的行指标集进行细分,通过构造递进迭代系数构造正对角矩阵,给出广义严格α-对角占优矩阵的判定条件......
裂纹的起始扩展总是沿着裂纹的半径方向,在塑性区内半径方向的应变能能反映出材料的抵抗断裂的能力。对同一材料,不管它处于哪一种......
通过对钢筋混凝土简支梁桥耐久性劣化的主要原因分析,给出了钢筋混凝土结构寿命评估的准则,提出了钢筋混凝土简支梁桥耐久性指标,......
This paper is aimed at presenting some suggestions to candidates who are taking the IELTS to get higher marks in speakin......
本文基于一条容易理解的简单判据和两个类比公式,用一种简洁的方式推引出克劳修斯不等式、体系自发过程方向和限度的几种新判据、......
Commercially pure titanium( CP Ti) sheets show typical planar anisotropy due to inherently crystallographic texture and ......
利用优化非协调元和杂交元分析了三河尖矿冲击矿压，并与ANSYS程序的计算结果进行了比较.认为优化有限元在冲击矿压乃至岩石材料的数......
运用矩阵分析方法，给出了判定H-矩阵的几个克分条件，进一步拓展了H-矩阵的判定准则．...
证人证言在刑事诉讼中的运用一直是各国主要关注的问题，而证运用的核心又在于证言的可采性问题，本文从比较研究的角度，对中英两国刑事......
本文研究了利用突变理论分析大坝及岩基稳定性的基础原理，提出了利用尖点变模型分析大坝和岩基稳定状况的判据及计算模型，由实例分析......
