Geometry相关论文
Liquid-based detectors are widely used in particle and nuclear physics experiments.Because fixed method is used to const......
【摘要】本文对一道几何证明题做了一些研究,并在此基础上得到了一些有意义的结果。 【关键词】数学 几何 向量 【中图分类号......
以商麻断裂为界,大别造山带分为东段和西段,西大别造山带是连接桐柏造山带和大别造山带的纽带.通过对几何学和运动学以及变质环境......
Syntactical analysis of the accessibility and sociability of a square in the Kuala Lumpur City Cente
The lack of visibility and the difficulty in developing a cognitive map may be particularly important in wayfinding and ......
Study of the ornamentation of Bhang Mosque for the survival of decorative patterns in Islamic archit
Islamic architecture is rich in decorative patts.Mosques were constructed in the past as simple buildings for offering p......
The atria in commercial buildings are widespread. However, the sound environment has not been given sufficient considera......
Courtyard vacular underground dwellings most commonly called dig pit houses, have been for centuries a shelter for the h......
Microfluidics-based assay on the effects of microenvironmental geometry and aqueous flow on bacteria
Abstract A new microfluidic system with four different microchambers (a circle and three equilateral concave polygons) was......
We pioneered a study about how the geometric relationship of single-walled carbon nanotubes (SWCNT) is influenced by cur......
提出一种应用于太阳能换热器的新型圆形楞型涡流发生器,采用数值模拟的方法对安装有圆形楞涡流发生器的矩形通道进行传热和流阻特......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
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......
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......
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......
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......
滇西无量山北段回龙山地区分布有大量的呈弧形分布的飞来峰构造.通过野外详细路线地质调查及室内的整理分析,结合先构造后地层的研......
车排子凸起位于准噶尔盆地扎伊尔山前,是夹持在南部四棵树凹陷和东部沙湾凹陷之间的三角构造带.然而对于这个三角构造带是原地掩伏......
乌泊尔断裂带位于帕米尔构造结东北缘,作为揭示青藏高原形成与演化历史的关键地区之一,为碰撞造山作用提供了详细信息,因此厘清乌......
通过比较激光切槽加工中材料表面槽形状生成机理的两种不同的理论模型 ,指出了考虑几何形状 -温度场耦合模型的合理性 .针对该模型......
Science Letters: Vascular architecture: is it a helpful histopathological biomarker for hepatocellul
Hepatocellular carcinoma (HCC) remains one of the major public health problems throughout the world. Although originally......
The parameters that describe the complex degree of a certain casting are of some uncertainty.Therefore,a new method base......
The calculations of total energy, band structure, and electronic density of states and Mulliken population analysis of ......
To validate the potential space-time adaptive processing (STAP) algorithms for airborne bistatic radar clutter suppressi......
Porous silicon nitride ceramics with difference volume fractions of porosity from 34.1% to 59.2% were produced by adding......
塞棒和水口组成了类似阀门的系统,通过优化水口的几何形状,可更好地控制金属液流.采用十字形几何结构的水口,能明显提高铸件质量并......
Tectonic evolution of the Dabieshan orogen: In the view from polyphase deformation of the Beihuaiyan
The Beihuaiyang metamorphic zone was formed by the Early Mesozoic collision of the North and South China Blocks. It cons......
A number of superconducting cavities of axis-symmetric geometry have been considered to study the effect in order to ach......
The geometries, electronic structures of pure carbon clusters were investigated in the range of C3 to C6 size. To obtain......
A series of clusters Ni4P are designed to simulate the amorphous alloy Ni80P20. After the cluster models are computed by......
针对艺术类的课程特点,文章对设计制图课程在教学内容、教学手段和教学方法等方面进行了一系列改革,以培养出综合型应用人才。......
Geometric and micro-structure design, tribology properties of beetle joints were experimentally studied, which aimed to......
提高复杂构造目的层阴影区成像质量的常规方法是,基于射线追踪和波动方程地震波照明结果,分析目的层阴影区照射能量的分布情况,根......
An Iterative Pose Estimation Algorithm Based on Epipolar Geometry With Application to Multi-Target T
This paper introduces a new algorithm for estimating the relative pose of a moving camera using consecutive frames of a ......
几何学贯穿古今,从历史发展过程中看,几何学的运用和发展是时代必不可少的。本文首先对木制陈设玩具的概念进行界定,然后阐述了几......
【摘 要】在小学数学几何图形教学中,几何图形作为小学数学教材中重要的学习内容之一,对学生来说是有一定的学习难度的。教师要在实......
为了丰富多样化的创意服装造型,从几何非常规结构角度研究立体裁剪中服装结构塑形方法,几何非常规结构可分为结构型和装饰型2类,服......
为了探究爆震管结构对无阀自适应式脉冲爆震火箭发动机性能的影响,采用汽油为燃料,富氧空气为氧化剂,对采用不同结构掺混段和障碍......
塔里木盆地库车地区地表起伏剧烈,施工难度大,地下构造复杂、地震成像精度低。在勘探生产中,三维观测系统的面元尺度、覆盖次数、......
目标采集技术是根据复杂的地下地质构造提出来的,它是针对诸如小断层、小断块、复杂断裂带、特殊岩性、泥岩裂缝等主要地质构造目标......
论述了利用单纯几何关系确定断层性质及位移量(两盘标志层或矿层对位置)的方法,对矿山探矿与采矿工程的布置有重要的现实意义。......
在机器人装配中,几何不确定性使装配工件的真实位姿在一定的区域内变化,对几何不确定性建模就是求解物体的几何不确定性区域.将几......
通过在拓扑流形S1上研究一类博弈模型,得出一些与经典结论不同的有趣结果,试图说明人类在不同环境内博弈,例如在全球化背景下合作......
针对人工势场法及流场法的缺点,将模糊逻辑与几何学路径规划方法相结合,提出一种新的机器鱼顶球路径规划方法。利用几何方法规划机......
采集脚印是三维地震勘探一种噪声的新概念,他的存在严重的影响着地震分辨率的提高,它由观测系统因素和非观测系统因素两方面引起的。......
根据高速旅客列车安全运行的要求,研制用于轨道状态确认车上的轨道几何检测系统、环境监视系统、限界检测系统及车载局域网系统.轨......
本文首先提出了λ5-geometry中的Steiner最小树问题.讨论了λ5-geometry中的Steiner最小树的若干性质,并给出了给定点数为3或4时Ste......
硬质合金可转位浅孔钻是一种新型、高效的孔加工刀具,本文作者采用向量矩阵法建立了可转位浅孔钻动态几何角度的数学模型,使用该模型......
在相对论有效原子实势(RECP)近似下,用Gaussian98程序和密度泛函中的B3LYP/LANL2DZ方法,对AunZn微团簇的各种几何构型进行优化计算,......