polygo相关论文
This paper is concerned with an ill-posed problem which results from the area of molec-ular imaging and is known as BLT......
Complex working condition of coiled tube(CT) steel demands high strength and low ratio of yield strength(YS) to tensile ......
The coverage performance is the foundation of information acquisition in distrib- uted sensor networks. The previously p......
从滇黄精新鲜根茎中首次分离得到一个三萜皂苷,拟人参皂苷-F11。本文利用1D NMR和2DNMR对其碳、氢信号进行了全归属,并对文献中报道......
Characteristics and stability of slope movement response to underground mining of shallow coal seams
Underground pressure is abnormal during mining of shallow coal seams under gullies. We studied gully slope movements, su......
复杂曲线逼近是CAGD中的基本问题,传统de Casteljau算法通常固定细分参数为0.5.本文考虑平面Bézier曲线的凸包最小和扁平度最......
靶板是立靶调炮速度测量系统的重要组成部分,针对传统的角点检测算法不能自动检测靶板角点的问题,提出了一种基于图像处理技术的靶......
通过线段被任意折成三段能构成三角形的概率问题,推广给出了线段任意折成三段能构成锐角三角形、直角三角形和钝角三角形的概率,任意......
分析了矿区导线网精度预计经典方法存在的问题 ,推导出严密平差法精度预计的数学模型 ,并编制机算程序。......
本文综述了果树花芽分化的一些研究进展,主要从激素、多胺、核酸等与花芽分化的关系几个方面介绍花芽分化的研究进展。......
目的建立护肝宁胶囊中虎杖苷含量的测定方法。方法采用高效液相色谱(HPLC)法测定虎杖苷含量,实验条件为色谱柱:kromasil C18柱;流动相......
本文根据国家气象中心分类强对流预报业务需求,基于当前比较成熟的多边形裁剪算法(Weiler-Ather-ton算法)的思路,开发了一种改进的......