Results:①The center of the homogeneous density soft tissue masses (mean CT value was 50HU) were located in the middle and lower tympanum, and the external auditory canal or the pharyngotympanic tube was involved in the earlier period; ②the destructed b...
结果：中耳癌的CT特征：①表现为以中、下鼓室为中心的软组织密度灶，密度均匀，CT值50HU左右，外耳道及咽鼓管早期受累；②呈溶骨性骨质破坏，形态不规则，边缘无骨硬化表现，外耳道后壁破坏较前壁严重；③病灶侵入颞叶，形成肿块，灶周脑水肿不明显；④增强扫描见病灶有中度强化。结论：CT能确定中耳癌的存在及精确显示肿瘤累及范围。
The results show that the tube pitch has an obvious influence on the temperature field and flow field will be homogeneous behind three lines of heat pipe.
结果表明：管间距对烟气温度场具有显著的影响，另外烟气流场在经过三排热管之后便趋于均匀。
The fundamental researches on ice crystals generating in statice supercooled water are analysed in this article. And homogeneous nucleation and heterogeneous nucleation ways of nucleation process are analysed and calculated. In general, water may freeze in tube and most likely blockage occur in the end, which make the unstable-instability of the system.
一般情况下，水在管内会发生结冰极并极可能产生冰堵，会造成系统运行的不稳定，本文对过冷水在管内结冰的影响因素进行了分析，并结合实验装置进行了相关实验，指出对冷却壁面的温度和表面状况进行控制是防止结冰的关键影响因素。
The free vibration of the tall tube structures with uniform cross-section and non-homogeneous cross-section are analyzed by EFGM.
用EFGM分析了等截面筒体结构和非均质截面筒体结构的自由振动问题。
Based on one-dimension quasi-homogeneous phase model, a dynamic model for single-tube steam reformer of high-temperature gas-cooled reactor was presented, and computer program was developed.
基于一维拟均相模型，针对高温气冷堆具有单根转化管的甲烷蒸汽重整器建立了动态数学模型，开发了相应的计算程序，并对日本原子能研究所设计的甲烷重整器进行了稳态计算与分析。
A simplified analytical model for the penetration depth ratio between circular tube and rod to semi-infinite homogeneous steel targets was developed in this paper according to an assumption that the ratio of initial impact energy to crater volume for the tube penetrator equals to that of rod penetraor.
依据圆管、圆杆初始撞击动能与弹坑体积之比相等的假设，建立了同材料圆管与圆杆对半无限均质靶板侵彻深度之比的简化理论模型。
Apery temperature controller of electric-calefaction based on single-computer A novel heater with a metal pipe was designed which is used encircling the discharge tube of a CuBr laser, resulting in homogeneous distribution of axial temperature.
设计了一种新颖的金属筒式加热器，使气体激光放电管轴向温度分布均匀。
Graphite smelting and solidifying in arc furnace is in globular shape, and homogeneous globular graphite is achieved in rapidly-solidified alloy prepared by 3m drop tube.
在电弧炉中熔炼并凝固，石墨基本呈球状组织形态，在3m落管中经深过冷快速凝固后石墨呈球状组织。
The pseudo-homogeneous two-dimensional model considered the radial distribution of velocity for the cooling-tube type methanol synthesis reactor is established, and the radial concentrations and temperature profiles of the bed are given.
本文考虑床层径向流速分布，建立了冷管型甲醇合成塔的拟均相二维模型，得出床层径向温度与浓度分布。
The results show that the inherent non homogeneous structure and instability in the under expanded sonic impinging jet is the internal reason for the occurrence of the resonance tube heating phenomenon and the shock wave dissipation is the main heating mechanism.
结果表明，欠膨胀声速冲击喷流固有的流场不均匀性和不稳定性是谐振管加热现象产生的内在原因，激波耗散是谐振管主要的加热机理。
Dispersion of soluble matters in micropolar laminar flow through a circular tube & effects of homogeneous chemical reaction
溶质在作圆管层流的微极流体中的弥散&均匀化学反应效应
Taking the advantage of the principle that the propagation velocity of ultrasonic wave stays constant in homogeneous medium, research was carried out to detect the density of steel tube concrete by ultrasonic wave method.
利用超声波在均匀介质中传播的速度为常数的原理，进行超声波法检测钢管混凝土密实性的研究。
In this paper a formula of the turbulent diffusivity tensor is derived, then the homogeneous isotropic turbulence, the homogeneous shear turbulence with a mean velocity gradient, the turbulent flux in a circle tube and in two-dimension plane jet are analysed and the results are satisfactory.
本文推出一个张量形式的输运系数计算公式，并用它分析均匀各向同性湍流、有应变率的均匀剪切流、管内流动和二维平面射流中的热通量问题，均获得了满意的结果。
The results show that graphite cast in graphite mold grows in lamellar shape; graphite cast in metal mold tends to be spheroidized; graphite smelting and solidifying in arc furnace is in globular shape, and homogeneous globular graphite is achieved in rapidly-solidified alloy prepared by 3m drop tube.
研究表明：在石墨型中浇铸，石墨呈片状生长；在金属型中浇铸，石墨有球化趋势；在电弧炉中熔炼并凝固，石墨基本呈球状组织形态，在3m落管中经深过冷快速凝固后石墨呈球状组织。
In this paper, the heat transfer and thermoelastic motion equations of non-homogeneous elastic materials under sudden heat condition are obtained based on the basic theory of continuum mechanics. Using the method of continuum mechanics, small-deformation elastic analysis of concrete-filled steel tube (CFST) is conducted.
依照连续介质力学的基本理论，推导出了非均质弹性材料热冲击问题所满足的热传导和热弹性运动方程。应用连续介质力学的方法，对钢管混凝土进行了小变形下的弹性理论分析。
Tests the tube of the heater and analyzes the reason of tube's corrosion resulting from high temperature oxidation, in form of homogeneous sheet, and partial corrosion resulting from acidic matter deposition.
对加热炉炉管进行了测试，分析了其炉管腐蚀的原因是高温氧化造成的均匀片状腐蚀和由酸性物沉积造成的局部腐蚀。