triang相关论文
Chemical delithiated LixCoO2 (x=1, 0.7, 0.66 and 0.57) has been synthesized by using a strong oxidant, NaS2O8 The struct......
In this paper, a graphene-based equilateral triangle nanocavity is proposed and numerically investigated. The relationsh......
New type of Y-branch power splitter and beam expander based on eliminating anomalous reflection effe
We propose a new type of Y-branch power splitter and beam expander with scales of microns in two-dimensional(2D) photoni......
Investigation of wave breaking in the normal dispersion region of nano-structured photonic crystal f
The propagation of femtosecond laser pulses with wavelengths of 1550 nm, 1064 nm, 800 nm and 700 nm, respectively, which......
A CMOS fifth-derivative Gaussian pulse generator is presented for ultra-wideband (UWB)applications.The design exhibits l......
The working state(WS) evaluation is a valuable task in the process of failure diagnosis in the analogue circuits. A fuzz......
This paper aims to study the variation of water depth H and Manning’s n due to the meandering of a river. It is found f......
After a reservoir has been in operation for a period of time, a sediment layer is likely formed before the dam. Since st......
Green,energy conservation and environmental protection have increasingly become the theme of the sustained and healthy d......
Layered cathode material LiCo1/3Ni1/3Mn1/3O2 was synthesized by Pechini process, and investigated using X-ray diffractio......
A specially designed fluid damper used as negative shock pulse generator in the shock resistance test system to dissipat......
Saturation Dislocation Microstructures of Double-slip-oriented Copper Single Crystal during the Corr
Copper single crystal specimens with the longitudinal axis parallel to the [013] double-slip-orientation were grown thro......
Laser direct deposition (LDD) of metallic components is an advanced technology of combining CAD/CAM (computer aided desi......
A novel and efficient method for decomposing a signal into a set of intrinsic mode functions (IMFs) and a trend is propo......
A number of clinical trials have demonstrated that the laparoscopic approach for colorectal cancer resection provides th......
In order to simulate field distribution rules,mathematical models for 3-D air flows and gas transfer in the goaf of the ......
The traditional PID controller can’t adapt to time-variant, uncertain and nonlinear system. In this paper, a new fuzzy ......
本文通过对荣华二采区10...
公立医院改革中的微观卫生经济牵动着体制性和机制性的神经，尤其是真实数据、付费机制、抑制机制等直接影响公立医院改革和发展，构成......
本文以陆地自主车为应用背景,从测距系统方面展开了对超声测距技术的深入研究和实验验证。选用最大作用距离超过30米的超声传感器,......
针对现有车联网簇头节点选择方法不足的问题,提出了一种基于三角模糊数的车联网簇头节点选择方法,依赖邻近车辆相对速度和相对距离......
为了解决协同装配中计算机辅助设计共享模型过大的问题,提出了一种简化共享模型的方法。根据设计人员角色的不同、所设计部件是否......
In this letter, discrete complex image method is employed to compute the Green's functions in the spatial domain, wh......
为了满足几何定位应用对恒星识别的需求,从导航星的选取、导航特征库的构造及识别算法的实现等方面对传统三角形识别算法进行改进......
随着智能手机和无线通信技术的迅速发展,人们对基于室内定位的应用需求日益增多。由于在室内环境下智能手机接收到的信号强度波动......
纹理合成是真实感图形绘制中重要的技术。对由三角网格组成的曲面模型,提出了一种基于表面三角块矢量场的纹理合成方法。首先用矢......
分析了传统的电感式传感器测量系统在动态测量中产生较大误差的原因，并在此基础上提出了一种直接对激励响应信号取样的快速动态测量......
ＴＨＥＰＯＳＩＴＩＯＮＡＮＤＲＯＬＥＯＦＷＵＨＡＮＣＩＴＹＩＮＴＨＥＲＥＧＩＯＮＡＬＥＣＯＮＯＭＩＣＭＡＣＲＯＳＴＲＡＴＥＧＩＥＳＯＦＣＨＩＮＡ①ＬｉｕＭｉａｏｌｏｎｇ（刘妙龙）ＤｅｐｔａｒｔｍｅｎｔｏｆＳｕｒｖｅｙｉｎｇａｎｄＧｅｏｉｎｆｏｒｍａ.........
为在控制顶点固定的情况下仍然能够调整三角曲面的外形,将三个形状参数引入多项式基函数中,从而得到一类新的三角曲面.这类三角曲......
以三角紫叶酢浆草(Oxalistriangularis Subeg.triang)的叶片、叶柄为外植体进行组织快繁研究。通过正交试验设计并结合方差分析,探......
根据李代数的交叉模的定义,计算出上三角矩阵代数的交叉模等价类只有一个,相应的三阶上同调群平凡。......
夜郎湖大桥是目前国内最大跨悬浇单箱室钢筋混凝土拱桥,净跨径为210 m。结合本桥结构特点,大桥拱脚1#节段采用支架法进行施工,主拱......
项目本身存在诸多不确定的模糊因素和风险.在假定项目投资决策的原始信息既具有不确定性的特征又均为三角模糊数时,根据模糊概率理......
针对可变形物体,提出了一种基于粒子的精确碰撞检测算法。首先用LBG矢量量化技术将物体的表面划分成几个小区域,然后在每个区域中......
为提高双曲线拟合精度和速度，克服M^2因子测量过程中受到随机误差的影响，采用正规方程组拟合双曲线的方法，给出了三角分解法求解正规......
本文介绍了一种基于布拉格光纤光栅 (FBG)的加速度传感器设计。为了克服等截面悬臂梁的局限性 ,该设计采用等强度悬臂梁的形式。结......
应用扩展的齐次平衡法，获得了一类广泛的非线性波动方程的若干行波解，其中包括孤立波解、三角函数解以及椭圆函数解。......
提出了一种应用于压电叠堆泵的微位移放大机构，该机构以压电叠堆（积层式压电微位移器）为驱动元件，通过基于三角形放大原理的柔性铰链放......
对一类抛物积分微分方程构造一个新的低阶三角形非协调混合元格式，并直接利用单元插值的性质及导数转移技巧，得到相应的收敛性分析和......
SEVERAL NEW TYPES OF FINITE-DIFFERENCE SCHEMES FOR SHALLOW-WATER EQUATION WITH INITIAL-BOUNDARY VALU
This paper proposed several new types of finite-difference methods for the shallow water equation in absolute coordinate......
目的探讨切开复位内固定术联合带线锚钉修复踝关节骨折合并三角韧带断裂的疗效。方法自2017年4月至2018年3月,120例踝关节骨折合并......
提出用有限网格剖分法求解复杂形体转动惯量的计算方法，给出了三角形和弓形两种单元计算公式，该法简捷，精度高，适用性强，便于程序计算。......
通过实验研究证明学生在数学解题中认知因素的差异是优差生学习成绩差异的重要原因，并提出建议。......
The harmonic index of a graph?G? is defined as where d(u) denotes the degree of a vertex u in G . In this work, we give ......
研究了三角槽流道中过流截面的变化特性,求出了最小过流截面的计算式并确定了它的位置。指出当所研究的流动处于紊流流态时,一般文......
本文给出椭圆外切2n+1边形中一类切顶线三角形有向面积的一个定值定理及其若干推论,其中包括射影几何中著名的Brianchon定理在椭圆......
研究了应用计算流体力学对萃取过程混合澄清槽采用的大三角型桨叶进行改进,在大三角型桨叶基础上叠加闭式涡轮结构,并以水为试验介......
<正>In computer aided geometric design(CAGD)and computer graphics,it is a general manipulation to approximate a surface ......
瞬间磁盘的机械特征为驱动器和制造商的设计者是重要的提供集体产品的瞬间磁盘。那么测量机械特征是很重要的。我们比较存在测量方......
