Elliptica相关论文
对伊朗中部阿巴德地区Surmaq组三个层位标本的研究揭示,Sumatrina旋壁致密层之下缺失蜂巢层,并源于一类壳体纺锤形、蜂巢层极簿的Afghanella;从Praesumatrina→Afghanellaschencki和由Praesumatrina→Afghanellaelliptica→Sumatrina代表了......
The reflection of a bright light source on a dynamic surface such as water with waves can be difficult to render well in......
A new test method was introduced to measure fiber distribution in steel fiber reinforced mortar by using image analysis ......
A NOVEL SEMI-ANALYTICAL METHOD FOR SOLVING ACOUSTIC RADIATION FROM LONGITUDINALLY STIFFENED INFINITE
Based on the extended homogeneous capacity high precision integration method and the spectrum method of virtual boundary......
A new hypersonic inlet named three-dimensional section controllable internal waverider inlet is presented in this paper ......
The dichloromethane extract of the air-dried leaves of Ardisia cf.elliptica(subgenus Tinus)afforded a mixture of baueren......
Comparative Study on Photoluminescent Properties of CaGdAlO_4∶Eu~(3+) Phosphors Synthesized with Thr
CaGdAlO_4∶Eu~(3+) powder phosphors were prepared using citrate sol-gel (CSG), half-dry and half-wet (HDW) and solid sta......
The available data on tidal currents spanning periods greater than six months for the continental shelf of the East Chin......
The research of high-directive anisotropic magnetic metamaterial antenna loaded with frequency-selec
This paper uses a Computer Simulation Technology microwave studio to simulate the performance of a new highdirectivity a......
融合肤色信息和人脸轮廓信息,提出了一种新颖的基于肤色信息和人脸轮廓的人脸检测算法。首先利用改进的肤色提取算法对肤色进行分......
利用部分波展开法求解得到了Gauss声束入射下刚性和非刚性椭圆柱的声散射系数,推导了一般情况下的声辐射力矩表达式.在此基础上,通......
目的讨论无限大均匀压电复合材料中裂纹中心位于矩形顶点且成双周期分布的反平面问题。方法利用保角变换及其椭圆函数进行研究。结......
描述了在泛喜马拉雅地区发现的党参属六个新种和一个新亚种。Codonopsis campanulata和C.reflexa 分布于尼泊尔,C.bomiensis发现于西......
A mathematical model of gear tooth profiles using the ellipse curve, whose curvature is convenient to control by changin......
设F(x)、G(x)是两个p维分布函数,[8]给出了F和G之间的散布序“≤d*”.对这种散布序的性质作了进一步研究,得到了F≤d*G的充要条件:F≤d*Gα∈(0,1),有∫S[f(F-1(α,a),a)]-1dU(a)≤∫S[g(G-1(α,a),a)]-1dU(a)......
在线性压电本构方程框架下,用复势函数方法对椭圆切口模型进行了精确的数值计算.完整地考虑了各向异性力电耦合效应以及切口内不同......
本文通过对锅炉空预器低温腐蚀原因的分析,提出了技术改造方案,并根据换热特点和改造现场的条件限制,确定采用椭圆翅片管制成的暖风器......
应用理论模型,以聚甲基丙烯酸甲酯(PMMA)为基材,成功制备了直径为150μm、平均孔直径为3.94μm、平均孔间隔为8.75μm的椭圆芯五环六角结......
为了获得较高的帧速率以及降低成本,提出了一种带有波束扫描功能的T形太赫兹成像系统.系统包含两个共极化扇形波束扫描天线,它们以......
The paper presents a mathematical rotordynamic model regarding excitation due to elliptical shaft journals in sleeve bea......