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密度边界
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  density boundary
     The low density boundary condition of density dependent local composition thermodynamic models is clarified in this parper, and the theory will be the basis for the following papers in which a new developed density dependent local composition model will be proposed and applied in the fluid phase equilibrium calculations.
     还分析了与密度有关的局部组成模型的低密度边界条件,从而可为建立新的局部组成模型及其应用于流体相平衡计算提供理论依据
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  “密度边界”译为未确定词的双语例句
     A calculation model of radiation heat transfer between the pressure tube and calandria tube of TACR,which is based on grey body radiation model and electronic network method,has been established.
     本文以灰体辐射模型和电网络分析方法为基础建立了TACR压力管和排管间辐射换热的计算模型,利用该模型计算了给定温度边界和热流密度边界的情况下,压力管和排管间的辐射换热能力。
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     The dynamic process of emergency braking of vehicles is analyzed. Taking the brake, vehicle and roadsurface as a system, the models of dynamic parameters and heat flux in the proccss of emergency braking are estahlished, hence, this paper provides more reasonable heat flux boundary conditions for temperature field analysis.
     分析了路面车辆从开始制动到停止的紧急制动全过程,将制动器、整车及路面组成的系统作为紧急制动过程分析的对象,建立了紧急制动过程各参数的动态换型和制动器热流密度模型,从而为制动器温度场分析提供了更合理的热流密度边界条件。
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     thyroid carcinoma appear motley density,the edges were unclear and infiltration of adjacent might be seen.
     恶性甲状腺肿瘤平扫时成等或混杂密度 ,边界不清 ,增强扫描强化不均 ,并向邻近组织侵犯。
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     CT scan revealed that most of the tumors were homogeneous hypodense solid masses,which were well circumscribed.
     CT扫描肿瘤多为均匀低密度,边界清晰。
短句来源
     Results Thyroid carcinoma appear motley density,the edges were unclear and infiltration of adjacent might be seen.
     结果甲状腺癌CT平扫表现为等或混杂密度,边界不清,增强扫描不均匀强化,并向邻近组织侵犯,颈部常可见肿大淋巴结。
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  相似匹配句对
     The density of hematoma is unevenand, the edge is unregular.
     血肿密度不均,边界不规则。
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     It displayed as a well defined low density area on CT.
     CT上为边界清楚的低密度区 ;
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     Boundary thinking
     边界沉思
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     Density of utility.
     效用密度
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     The line density and area density have been counted.
     区的密度
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  density boundary
The thin density boundary layer forming the high-gradient envelope of the wake is distinguished as one of the elements of the structure.
      
The total width of the flows adjacent to the surface exceeds the thickness of the salinity deficit layer or the density boundary layer.
      
Modeling of Current Density Boundary Conditions for a Heterodimensional Contact of 3D-Metal to 2D-Semiconductor
      
Formulated for easy inclusion in numerical device simulators, current density boundary conditions for the heterodimensional contact are theoretically derived for both electrons and holes.
      
The newly derived current density boundary conditions have been incorporated in a commercial numerical device simulator to investigate the steady-state and transient behavior of a novel quantum-well MSM photodetector.
      
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On the basis of the deep-sea manganese nodule deposit characteristics, external prospecting condition at present and the prospecting experience of the land metal deposit, the prospecting techique and density of manganese nodule doposit, cut-off abundance and industrial grade of manganese nodule are discussed from domestic actual condition in this paper.

本文在分析大洋锰结核矿床特征,国外锰结核勘探工作现状以及陆地矿床勘探经验的基础上,从我国的实际出发,讨论大洋锰结核矿床的勘探方法,勘探密度、边界丰度和工业品位等问题。

An analytical solution and experimental investigation concerning the problem of turbulent heat transfer in an annulus are made with simultaneously devoloping velocity and temperature distribution under the condition of a constant wall heat flux. For the theoretical study several groups of differential and integral equations are derived and solved by using a finite difference technique. From the asymptotic solutions some turbulent heat transfer relations are obtained. In the experiments the inner diameter of...

An analytical solution and experimental investigation concerning the problem of turbulent heat transfer in an annulus are made with simultaneously devoloping velocity and temperature distribution under the condition of a constant wall heat flux. For the theoretical study several groups of differential and integral equations are derived and solved by using a finite difference technique. From the asymptotic solutions some turbulent heat transfer relations are obtained. In the experiments the inner diameter of the channel is 12.34mm and the outer diameter is 19.00mm. The inner wall of the channel is provided with constant heat flux and the outer wall heat-insulated. The range of the parameters Re= (2-13.5) × 104; Pe=128-854. It is found that the asymptotic solutions agree very well with the experimental data obtained by the authors and others.

对等热流密度边界条件下的进口效应进行了研究.推导出可借助有限差分法求解的微分-积分方程组,编制了计算机计算程序,并根据计算结果拟合出湍流放热计算关系式.实验采用环管内径为12.34mm,外径为19.00mm,通道外壁绝热,内壁为恒热流.研究结果表明,理论和实验结果与其他研究结果吻合良好.本研究参数范围:Re=2×10~4~1.35×10~5,Pe=128~854.

Emphasis was laid on the diagnosis and differential diagnosis of splenic tumors with CT.Materials and Methods: 21 cases with splenic tumors scanned with plain CT and contrast CT of abdomen were collected. The degree of splenomegaly, contour of spleen, and the number, density,edge of tumor were analysed. Results: In patients with splenic metastases, the spleen were enlarged homogeneously, the tumors were multiple with indefinite edges, and the "target-like"enhancement was of character, Uneven enlargement of spleen...

Emphasis was laid on the diagnosis and differential diagnosis of splenic tumors with CT.Materials and Methods: 21 cases with splenic tumors scanned with plain CT and contrast CT of abdomen were collected. The degree of splenomegaly, contour of spleen, and the number, density,edge of tumor were analysed. Results: In patients with splenic metastases, the spleen were enlarged homogeneously, the tumors were multiple with indefinite edges, and the "target-like"enhancement was of character, Uneven enlargement of spleen was commonly seen in patients of primary lymphoma, the tumor were multiple with indefinite border, and "map-like" enhancement of edge was of character, Cystic change was seen in most hemangiosarcoma, and no enhancement in cystic area, Whereas calcification and fat in tumor were the characteristic features in hamartoma.Multiple lesions were commonly seen in metastasis and lymphoma. while single tumor was seen much in benign tumor, and few in metastasis. Conclusion: Splenic tumor was uncommon, but the diagnosis can be made correctly in most patients based on features of plain CT and contrast CT.

目的:详细论述脾脏肿瘤的CT诊断及鉴别诊断。材料和方法:收集21例脾脏肿瘤患者的腹部CT平扫及增强检查资料,分析脾脏大小、轮廓、病灶数目、密度、边界等多种表现。结果:转移瘤的脾脏多为均匀性增大。病灶多发,边界欠清,靶心样强化具特征性。原发性淋巴瘤的脾脏常为不均匀性增大,病灶边界不清,边缘地图样强化具特征性。血管肉瘤绝大多数可发生囊变,增强时囊变区不增强。错构瘤可见钙化、脂肪,具特征性。多发肿瘤以转移瘤及淋巴瘤常见,而单发肿瘤以良性肿瘤多见,少数为转移瘤。结论:尽管脾脏肿瘤性病变较少见,但根据CT平扫及增强的特征性表现,大多数肿瘤可作出正确诊断。

 
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