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The serial model of Epstein et al. (1981) is demonstrated to predict successfully the overall voidage of the mixed layer......
Characteristics and optimization of 4H-SiC MESFET with a novel p-type spacer layer incorporated with
A novel structure of 4H-SiC MESFETs is proposed that focuses on surface trap suppression.Characteristics of the device h......
The applicability of shape memory alloys (SMAs) in structural dynamics, particularly as hysteretic damping elements, is ......
A simple and repeatable method is proposed for fabricating microfluidic channels on polydimethylsiloxane(PDMS)substrates......
Predicting the direction of the stock market has always been a huge challenge.Also,the way of forecasting the stock mark......
Neural Networks Combined with Importance Sampling Techniques for Reliability Evaluation of Explosive
Concerning the issue of high-dimensions and low-failure probabilities including implicit and highly nonlinear limit stat......
An Analytical Model Based on the Theory of Constant Heat Flux Ratio Across the Frozen Layer for Solv
The purpose of the paper is to establish a theory of the constant heat flux ratio across the frozen layer based on the d......
Verifying the integrity of a hard disk is an important concern in computer forensics,as the law enforcement party needs ......
This paper presents a method to create concept models for the tapered thin-walled tubes using beam elements and spring e......
The paper deals with the criteria for the closed-loop stability of a noise control system in a duct.To studythe stabili......
In contrast to classical dimensional analysis,discriminated dimensional analysis assumes that spatial coordinates are di......
The neutron shielding component of ITER (International Thermonuclear Experi-mental Reactor) vacuum vessel is a kind of ......
Resonance assignments of the ~1H spectrum of insulin are the basis on which to investi-gate its solution conformation b......
The methods of recognizing different types of ship objects according to the shape of average powerspectrum of the radiat......
Objective:The aim of this work was to quantify the extent of set-up errors to conduct a quality assurance(QA)aspect of t......
Some stability criteria are obtained for a class of uncertain systems with time-delay usingLyapunov functional and anal......
The unstable dimensional distortion of LD31 aluminum alloy weldments at room temperature and after thermal cycles was s......
在车身工艺同步工程阶段采用有限元虚拟评估方法,对后端板预装搭扣进行仿真分析,发现预装零件在运输过程中存在掉落风险。通过对预......
文中推出了各向压力异性等离子体中磁流体激波跃变关系的无量纲形式,并且给出了具体的激波求解方法,特别的情形.就是魏奉思中的部分结......
科学有效的教师激励机制,既有利于调动教师工作的积极性和主动性,又有利于公安高校的可持续发展。文章在初步分析公安高校教师激励......
尺寸链理论是高职机械类专业学生必须掌握的重要理论之一,也是的《几械制造工艺学》课程的重点和难点。本文从尺寸链理论的教学内容......
This paper presents a detailed design of a photovoltaic (PV) system for use in the rural electrification of remote settl......
本文通过对介词进行分析,探讨多义现象的认知理据意象图式的认知机制,分析了中心图式与变体图式对空间域多义的影响以及意象图式的隐......
OLTP系统积累的大量数据如何为决策分析提供支持将成为下一阶段数据库应用的重点,OLAP技术通过数据立方体提供多维度的数据视图,并......
This study proposes a double-rough-walled fracture model to represent the natural geometries of rough fractures.The roug......
基于对PVC塑钢门窗断面测量的研究,提出了一种对二维平面中大量直线特征的自动识别方法.从被测断面图像中提取边缘特征,根据型材中......
战场上车辆声音信号的构成非常复杂,采用单一的特征很难全面反映其特点,提取多种特征来构成特征向量就显得非常重要。应用改进的横......
介绍了P-Q2图(P为金属压力,Q为金属流量)的概念,并讨论了PQ2规则在锌合金压铸中的应用,尤其是其在合理设置浇注系统尺寸方面的指导......
堵口程序设计决定整个围海工程的成败,目前国内多采用水力要素最大值等值线图法反映各项水力要素随口门尺寸的变化规律,并据此进行堵......
采取普通试验仪器和设备,把优选法用于混凝土配比试验中,采用“降维法”使混凝土表观密度函数从多维函数降为一维函数,用最小二乘法求......
"互联网+"给传统教育带来了新的机遇和挑战,它促进了传统教育向生态教育的转变。本文通过分析高校重视程度不足、教师信息素养偏低、......
已有关于商业集聚对消费者吸引力的研究都是基于一定的社会背景,与其所处的经济技术环境密切相关,缺少考察在“互联网+”这一新背......
滚动轴承早期故障存在特征不明显、信号微弱、信噪比低、故障难以识别等特点。根据轴承振动机理和频率特性,从发展现状和常用方法2......
提出用基于Nystrm算法的简化核主成分分析方法(SKPCA)实现高光谱遥感影像的快速降维。首先随机选取部分样本构成子核矩阵并计算......
基于相似准则和气体真实物性参数提出一种格子Boltzmann模型中选取无因次松弛时间的新方法,同时考虑边界努森层的影响对无因次松弛......
针对现有线结构光轮廓尺度测量系统标定方法对环境要求高、设备昂贵、标定过程复杂等问题,提出了一种基于网格平面标定板的现场标定......
提出一种偏移分析的模型,即考察属性对象落入指定的属性范围的比率,若对象没有落入指定范围,则称其发生了偏移.运用该模型针对单台......
基于大数据时代的发展,分析大数据营销产生的意义,界定营销时代的划分,并探求新的4P营销理论。对大数据营销NES模型进行了探究,得......
The geological strength index (GSI) system, widely used for the design and practice of mining process, is a unique rock ......
研究在不同软化工艺条件下弯曲木材尺寸稳定性与陈化时间的关系,结果表明:使弯曲木材获得最佳尺寸稳定性所需的陈化时间随软化工艺的......
研究了80~125钢级SEW高抗挤套管的材料性能、尺寸精度、残余应力和抗外压挤毁性能.研究结果表明:屈服强度是影响SEW高抗挤套管抗挤强......
企业良好的社会表现能否降低企业风险,现有研究结论并不统一。基于利益相关者理论,以2010-2016年间沪深A股上市公司为样本,在将企......
针对工程图智能生成的问题,提出一种基于SolidEdge平台的智能生成零件明细表单、尺寸标注、属性填写以及技术要求的方法,搭建VB.NE......
现代医学病理认为,疾病的治疗就是弥补结构缺失、改善功能,用负反馈方法使其平衡恢复。文章把中国高等教育当作一个有机体,以《大......
运用高等代数基础知识讨论常系数齐次线性递推关系的解集合的代数结构.本文证明了:n阶常系数齐次线性递推关系的解集合是n维线性空......
为了进行斜轧穿孔模型化研究,分析了二辊斜轧穿孔轧制力对轧辊开度、变形参数和穿孔毛管壁厚均匀性的影响以及顶头轴向力对变形参数......
为了使零件模型已标注的三维尺寸满足标准要求,在不改变设计者标注习惯的前提下,提出了一种基于尺寸差异度的三维尺寸标注自动规范化......
在小样本条件下,由于离散矩阵的奇异性,作为监督降维的传统线性鉴别分析(LDA)并不能直接计算.许多扩展算法被提出以克服此问题,一......
边缘的菲希尔分析(MFA ) 不仅试图维持一样的班的附近的数据点的原来的关系而且想要使不同的班的附近的数据点离开。MFA 能有效地......