Conclusion the technique of3D CT reconstruction can reveal the complicated maxillofacial fracture in the most approximate mode, and it has very important value in the diagnosis and treatment of the maxillofacial fracture. 结论三维ct成像技术可使颌面部复杂性骨折的移位情况达到近似模型般再现的效果,对颌骨骨折的诊断和手术方案制订具有重要临床价值。
The analysis indicates that the reconstructing errors result from approximate treatment and accumulative error. 分析表明,重构误差主要来源于计算中的近似处理和累积误差。
Approximate Treatment of Multigroup Cross Section Library for Some Anomalous Cells 几种特殊栅元群截面库的近似处理
Results computed from Scatchard-Hildebrand model, Guggenheim quasi-lattice model, Wilson model and NRTL model are fairly approximate to those obtained from experimental data treatment and the values of thermodynamic equilibrium constant determined from these four models coincide with each other. 由Scatchard-Hildebrand模型、Guggenheim似晶格模型、Wilson模型和NRTL模型计算得出的活度系数值与实验值符合较好,从这四种模型测得的革取平衡常数值也互相符合一致。
The samples contained quasicrystal phase and its approximate crystal phase(λ and β). The XRD analysis confirmed that the quantity of quasicrystal was remarkable increased after heat treatment at 800 ℃. 该样品中含有准晶相和它的类似晶体相(λ相和β相)经800℃热处理,X射线衍射分析表明准晶相的含量显著增加。
When all parameters were stochastic, in order to decrease the operating time of Monte-Carlo method, by introducing random factor, an approximate treatment of heat conduction matrix and heat capacity matrix was proposed. 考虑结构所有物理、几何和环境参数均具有随机性时,通过引入随机因子并提出一类关于热传导矩阵和热容矩阵的近似处理方法,实现了对随机温度场Monte-Carlo数值模拟时间的节省;
To simplify the computation, the estimate equations of trajectory parameter of boost phase, crossover phase and maneuvering phase in ballistic missile's flying were brought out by approximate treatment according to the motion equation of mass center for missile in this paper. 为简化计算,根据导弹的质心运动方程,通过近似处理导出了导弹机动飞行中助推段、跨越段和机动段弹道参数的估算公式。
An approximate treatment for double differential spectrum of secondary particle in light nuclear reactions 轻核少体反应次级粒子双微分谱近似处理研究
In this paper an approximate treatment on the spectrum is proposed based on nonrelativistic kinetic theory and collision theory. 本文基于非相对论运动学和碰撞理论,提出了该谱的近似计算处理方法。
According to the linearity vibration theory this paper adopts Wilson-θ method to program to calculate the response provoked by definite motivation, and then inversely calculates the actual propeller exciting force by using the actual measurement, this belongs to the approximate treatment of load identification problem. 本文根据线性振动理论,采用Wilson-θ法编程计算了给定螺旋桨叶频激励下船体梁的振动响应,并利用实测振动响应反推出螺旋桨的实际激振力,这属于载荷识别问题的近似处理方法。
Approximate Treatment of the Solid Boundary Conditions in the Calculation of Transonic Flow 求解跨音速流动时物面边界条件的处理方法
The investigation has proved that the ratio of the ferrite to austenite being approximate to 1 in the steel is possible by controlling its chemical composition and heat treatment condition. 研究证实,双相不锈钢通过成分和热处理的控制,使得铁素体和奥氏体两相比约为1是可能的,同时它具有优良的耐点腐蚀性能、耐应力腐蚀性能和耐冲刷腐蚀能力;
The research on the above-mentioned problems used individual theories of the aperture coupling or the multiconductor transmission lines respectively to achieve approximate treatment. Obviously, in the method mentioned above there existed errors in practical situations. 以往对此方面的研究往往采用各自独立的孔耦合理论或多导体传输线理论分别来近似处理,显然该方法与实际情况存在较大误差。
This approximate treatment would bring some errors for calculating the electrostatic interaction. 这种近似处理会给静电作用的计算带来一定的误差,而静电相互作用是非键相互作用中最重要的作用之一。
The highlights of our study in this section is that, instead of using some complicated mathematical method, we fully exploit the characteristic of the model itself, and get a effective method to solve this problem with appropriate approximate and simplified treatment. 本文对该部分内容的研究创新点在于,从问题本身出发,充分挖掘模型本身的特点,适当地加以近似和简化处理后,得到了一种有效解决该问题的方法。
Generally described different kinds of spectral band model and approximate treatment for parameter of radiation characteristic. 分析了水蒸气辐射特性参数的各种谱带模型及近似处理方法。
For the current problem of storey shear-bending model in elasto-plastic analysis, approximate treatment is done to the stiffness matrix. 鉴于层弯剪型模型在弹塑性分析中存在的问题,对刚度矩阵的修正进行了合理地近似处理。