| 1. | Three - dimensional distribution of geomagnetic energy in the earth ' s interior and its secular variations
地磁场能量在地球内部的三维分布及其长期变化 |
| 2. | It provides an effective parameter measurement mean , by which 2d / 3d information of the two - phase flow system can be obtained
它提供了一种有效的场参数检测手段，可用于获取过程参数的二维或三维分布信息。 |
| 3. | Since there was no technique to observe directly under three - dimensional situation and no reliable physics exploiting technology , the three - dimension distribution law of crack face was not found yet
三维情况下，由于无法进行直接观测，又缺乏可靠的物理测试技术，致使岩体裂缝面的三维分布规律远没有得到解决。 |
| 4. | The technique is to utilise other supplementary information to make an indirect estimate of the three - dimensional distribution of various meteorological elements ( such as air pressure , wind and moisture ) around the centre of the tropical cyclone
技巧是利用其他辅助资料来推算各类气象要素（包括气压、风和水气）在热带气旋中心附近的三维分布，作为电脑预报模式的初始条件。 |
| 5. | The result showed the uneven intracellular ca2 + distribution . to examine calcium activity , we also extended our research to four dimensional . it is an effective way to evaluate the factors causing intracellular calcium fluctuation
应用本文建立的方法，我们对大鼠海马神经细胞的钙离子三维分布进行了研究，并比较了不同倍数物镜下的结果，结果表明，指示剂标记的钙离子的分布是不均匀的。 |
| 6. | There are many temperature measurement methods , no matter thermal couples method or laser diagnoses technology cannot gain flame temperature distribution . now x ? ay computed tomography ( ct ) technology has been successfully used in clinical circumstance
在现有的许多火焰温度测量方法中，无论是传统的接触式测量方法，还是近年来发展的光学方法，均不能实观火焰温度两维，甚至三维分布的测量。 |
| 7. | The method is easy to use and fast calculation . 7 ) the aas ( average - approximation subdivision ) scheme had risen in this thesis . this scheme solved the problem of constructing three - dimension surface of distributing load continuously and smoothly from scattered point load
4 )本文首次提出了均值逼近细分( average - approximationsubdivision ，简称aas )算法，解决了由散乱的节点载荷确定连续的、有一定光滑度的三维分布载荷的问题。 |
| 8. | In the experiment , we use the he - ne laser and the semiconductor laser as the source , record the bessel beam patterns behind the axicon by using a digital camera and a microscope , measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance . the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range . the results agree with the beam corresponding to a diffraction free beam
同时我们还采用胶片扫描的方法测量了无衍射光束的中心光斑尺寸,测量了不同光阑孔径和不同棱角情况下的最大无衍射距离和传播轴附近横截面内微小光孔中的光强,实验结果显示当激光光束经过轴棱锥转换后有一段距离功率变化很小,且分布近似贝塞尔分布,符合无衍射光束的特性;经过聚焦后,呈现三维分布中空的光束bottlebeam ,实验结果与理论分析基本吻合。 |
| 9. | The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity . the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no
本文采用积分方法对本文设计的线圈式两极纵向磁场触头结构和线圈式四级纵向磁场触头结构的纵向磁场三维分布进行了计算分析。研究了电弧燃烧期间两种触头结构纵向磁场强度的大小、均匀性,利用有限元法模拟线圈式两极纵向磁场触头结构的触头盘开槽和不开槽时涡流对纵向磁场的影响。 |
| 10. | The corresponding control equation is given . the control equation and boundary condition about the addiontional small deformation ' s effect caused by initial stress using virtual principal theory in cylindrical reference frame . generalized stress and strain and equivalent constitutive equation are given
第四章提出了描写柱形薄壳中初应力的数值特征，将应力的三维分布转化为二维分布，给出相应的支配方程；在柱坐标系中，利用虚功方程建立了初应力对附加小变形影响的控制方程和边界条件；给出了广义应力、广义应变及等效本构关系。 |
