A beholder with this feat can narrow its antimagic cone down to an eye ray that disjoins magic.
具有此专长的眼魔可以将反魔场压缩成裂解魔法的眼球射线。
The ray tracing algorithm is applied to typical bodies like cylinder and cone which give good results compared to analytical results as well as to arbitrary surfaces, besides, results of field in lit region are also given.
作为验证，文中给出了在柱体、锥体上的寻迹及亮区场的计算结果，与解析方法以及经典文献结果进行比较吻合良好说明了算法的有效性，另外，本文最后还给出了具有工程实际意义的任意曲面上的亮区场结果的实例。
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Which of the following X-ray generators would produce the narrowest cone of X-radiation?
下列哪些X射线发生器产生的X射线束的锥角最小？
This paper focuses on X-ray cone-beam CT, or named volume CT, which differs greatly from conventional CT or helical CT in the following aspects.
本文讨论的是锥形束体积CT，这种技术比起采用断层CT或螺旋CT的多个断面堆砌成三维图像的方法，具有本质的区别。
Any of various North American plants of the genera Rudbeckia, Ratibida, and Echinacea in the composite family, having disk flowers on a cone-shaped central receptacle surrounded by colorful ray flowers.
锥光菊任一种产于北美的金光菊属和松果菊属混合种植物，在被伞状小花包围的锥状中心花托上开有盘状花朵
Analytical formulas for reflection ray tracing on the cylinder and cone base on the Fermat principle
费马原理确定柱面和锥面反射点的解析表示式
Cone-beam CT refers to a technique for imaging all cross-sections of an object using 3D image reconstruction algorithms based on a series of X-ray projections captured by an area detector from different angles around the object.
锥束CT利用面阵探测器获取物体的二维射线投影，并通过三维重建得到物体在扫描体积范围内的所有切片图象。
The dynamic flammability of γ- ray radiation crosslinked FR - HDPE/EPDM was investigated by cone calorimeter.
用锥形量热计研究了阻燃HDPE/EPDM经γ射线辐射交联前后的动态燃烧特性。
Clinic dosimetry has been investigated for the output dose factor, the surface dose, the 90% area, the x-Ray contamination, radiation leakage from the equipment, and beam profiles in each cone. TLD was also monitored for patients.
临床剂量学研究了输出因子，表面剂量，90%剂量区域、X线污染、剂量剖面分布及热释光剂量计（TLD）患者受照剂量监测等。
Evaluation on the protection effect of a kind of radioprotector with grids, cone and shield for medical diagnostic X-ray Apparates
医用诊断X线机限、集、屏装置防护效果评价
Diffraction ray tracing of GTD on the cone and cylinder
圆锥体与圆柱体的几何绕射理论绕射线寻迹
Theoretical analyses show that the BRF has the maximum tuning rate when the optic axis is located on the cone with its symmetric axis being on the refracted ray and apex of 45 °;
分析表明当晶片光轴处在以折射光线为轴线、顶角为45°的圆锥面上时，双折射调谐器具有最快的波长调谐速率；
In the mode of cone-beam scan and circular track, the correlation between ray-projections is analyzed. Projection angle sort scheme and projection applying sort scheme on a projection angle are given.
分析了锥束圆轨迹扫描模式下射线间的相关性，给出了投影视角排序方案和投影视角下的射线排序方案。
However, this algorithm does not apply for circular orbit cone-beam scan with line-focus X-ray source.
但是，这种算法不能满足线X射线源圆轨道锥束扫描的情况。
FDK three-dimensional computed tomography (3D-CT) reconstruction algorithm for the circular orbit cone-beam scan with the point-shaped X-ray source is more widely accepted when compared with other types. It has high reconstruction speed and accuracy within cone-beam angle of 10 °.
基于点X射线源圆轨道锥束扫描的FDK近似3D-CT重建算法重建速度快，在10°锥角内重建精度高，因此在工程上得到广泛应用。
So the FDK approximation principle of the point-focus X-ray source is extended to line-focus X-ray sources. An algorithm for the reconstruction of circular orbit cone-beam scan to the line-focus X-ray source was deduced.
为此，将上述点源FDK近似原理拓展到线源情况，推导了线源圆轨道锥束扫描3D-CT重建算法。
The morphological structures of polyimide films were studied by laser light scattering, X-ray diffraction, electron microscopy, infrared spectroscopy, cone light beam method and so on.
以小角激光光散射、偏光显微镜、X光衍射、电子显微镜、力学性能测定及红外光谱等方法研究了几种聚酰亚胺薄膜的聚集态结构。
The mathematics modelings for main components, including X-ray source, detector and phantom, were accomplished. After achieving the assembly of universal cone-beam CT simulation system, the algorithm flow of projection simulated computation was presented.
完成了射线源、探测器和检测样本等主要部件的数学建模，实现了通用锥束CT仿真系统的装配，并给出了投影仿真计算的算法流程。
In this research. we have carried out three experiment: lNewly designed femoral supracondylar interlocking intramedullary nail were performed which is solid center rod with clover leaf cross-section and can be connected with artifical cartilages of femoral condyles designed before through Mosers cone angles which can be self-locked. There are a few helix-shaped chutes along its surface. This design is regarded to decrease the area between nail and internal surface of bone and enlarge the intramedullary volume. The axial direction and curvature were fixed on by means of CAD system in order to adapt to biomechanical characteristics of bone. 2 Finite Element Method were performed to analysis the stress of bolts. intramedullary nails and bone while the bolts were implanted in different angulations-0? 15? 30? ,45及? 60? .3 An massive allograft transplantation model of pigs wre established with supracondylar interlocking intramedullary nails fixation. Affection to allgraft-host healing and microcirculation of bone were measured dynamically by using X-ray films, prepared Chinese ink microarteriography and tissure slice examination.4 Obique insertion of bolt and limited contact nails were applicated in clinical patients to test its superiority during the processing of massive allograft healing.
本课题进行了以下三方面的研究：1设计一种冠状面为三叶草形及全长有螺纹槽结构的股骨髁上带锁髓内钉，减小髓内钉与骨内面的接触面积，扩大髓腔的有效空间；髓内钉与此前设计的人工股骨髁软骨假体结合通过莫氏锥度方案相连结，使髓内钉尾端打入关节连接台的锥面时可达到自锁；结合计算机辅助设计系统确定髓内钉的轴向定位和曲率半径的方案，以适应股骨的生物力学特性；2运用有限元方法(finite element method，FEM)对髓内钉锁钉不同置入角度(锁钉与髓内钉横断面的夹角)0°、15°、30°、45°及60°条件下骨、髓内钉及锁钉和整体结构进行应力分析；3以猪为模型动物，建立股骨下段大段异体骨关节移植模型，通过X线摄片、组织学观察及股骨微血管墨汁造影比较带槽与不带槽髓内钉对异体骨愈合及骨微循环的影响；4将锁钉斜形穿钉及有限接触股骨髁上髓内钉试用于临床，检验其在大段异体骨愈合中的优越性。