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The nonlinear response of structures is usually evaluated by considering two accelerograms acting simultaneously along t......
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In recent years,with the rapid growth of social network services(SNS),social networks pervade nearly every aspect of our......
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A Holocene Yalu River-derived fine-grained deposit in the southeast coastal area of the Liaodong Pen
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WHETHER appreciating from outside the ingeniously designed pavilions,or inside to see exhibits fired by creativity and i......
In this letter,capacity estimation for Mobile Ad hoc NETworks (MANETs) using direc- tional antennas are studied.Two Matr......
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Pancreatic cancer is the fourth leading cause of cancer death in the United States. While surgical resection remains the......
A system of three-unit networks with no self-connection is investigated, the general formula for bifurcation direction o......
,The effect of interfacial energy anisotropy on planar interface instability in a succinonitrile all
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Using ANSYS software, we developed a modeling program for several kinds of wire ropes with metal cores and built a geome......
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Porous rock chemical grouting simulation test was conducted using established large scale physical model.Chemical grout ......
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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......
The growth mechanism of the peritectic η phase involving the peritectic reaction and peritectic transformation in Cu-70......
将五光子晶体单模波导平行、邻近放置构成定向耦合器,依据自映像原理,数值分析了输入光场对称入射时,该系统中光的传播行为。基于......
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针对动态环境下有方向约束航迹规划问题,提出一种结合引导点的动态航迹规划方法。该方法沿约束方向基于圆拓展的方式产生引导点,并......
在振动切刀下部安装有定喷的喷嘴，振动切槽之前，超前进行定喷，将振动切槽与定喷两种工艺综合成一种工艺，构成一种新的薄防渗墙的施工工......
介绍了在130m宽运河水下顶进1800给水铜管中的方向与顶力的控制、防止涌水等主要技术及经验体会.......
利用乳链菌肽抗性菌株中乳链菌肽抗性和乳糖发酵紧密连锁的原因，在含有乳链菌肽、乳糖和溴甲酚紫的选择培养基上，从205个新鲜的牛奶......
实践问题一直是当代中国哲学研究的聚焦点。对实践哲学 2 0年较为集中的思考研究使实践哲学的内涵得到了多方面的展现 ,形成了多维......
<正>This paper proposes an improved Direction Of Arrival(DOA) estimation algorithm for asynchronous multipath Code Divis......
对一种在单脉冲雷达中采用的以调相信号的频率压缩和合并通道中压缩信号的限幅为基础的通道合并定向接收机(角度鉴别器 )进行了分......
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根据文献资料,近十年来探讨成人教学方法的研究可大致分为零散经验阶段和初步形成理论系统阶段.研究的重点是在对普通教育教学方法......
近年来在下川东地区针对下古生界-震旦系持续开展风险勘探,该区块纵向上发育3套构造组合,断层发育,存在多套压力系统,目的层龙王庙......
为降低玉米种子脱粒过程中的机械损伤，掌握玉米籽粒冲击破碎机理，在跌落式冲击试验台上，对不同品种的玉米籽粒进行了冲击破碎试验，分析......
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提出了一种自动提取地球物理位场水平一阶导数图象中局部极大 (极小 )值线的有效方法 .该方法的基本原理是 ,首先用方向剖面法识别......
针对镍基单晶高温合金的服役条件和机构特点，对γ’颗粒在[111]取向加载时的定向粗化趋势进行了比较系统的研究．通过实验得到镍基单......
文中提出了一种新型的递归中值滤波器，将滤波算法转化为一种优化处理，兼顾了滤波处理的光滑连续性及抑制噪声的累积特性，可有效地消除......
山东煤田地质机械厂于2014年研制了液压定向A型系列钻塔,获山东省煤田地质局科技一等奖。该文以ZT13AY液压塔为例着重阐述钻塔的结......
研究了无线Mesh骨干网部署优化问题，结合网络的拓扑结构及定向天线技术的传输特点对无线Mesh骨干网进行优化部署，提出一种基于Delaun......
