The last, quantitative evaluation of CT number linearity.
CT值线性的定量评价方法。
The relationship between mean of CT number and variance of CT number to axial deformation are parabolas.
CT数的均值、方差随轴向变形变化关系曲线呈抛物线形式。
The evolution law of CT number and CT images in the complete process of damage failure of frozen cracked rock is studied.
分析了冻结裂隙岩石加卸载损伤全过程的CT图像和CT数的演化规律。
By analyzing the positions of acoustic emission events, the CT slides and the change of CT number, the cracking propagation process is achieved.
通过分析加载过程中声发射定位事件、CT扫描切片以及CT数的变化，获取多裂纹岩石裂纹扩展破坏过程。
Above all, a statistical damage variable is defined, a damage evolutional equation and constitutive equation based on CT number are developed, too.
基于上述研究和获取资料，根据定义的统计损伤变量，建立了一个基于CT数的损伤演化方程和本构方程。
Rock density damage increment with ct can be obtained by subtracting ct number of the undisturbed rock samples from that of the loaded rock samples.
通过对岩石试样在加载前后测得的CT数作差值运算，可获得岩石试样在不同应力阶段的CT密度损伤增量。
Conclusion: Using CT number, the criteria of relative density of hepatic vessels and the relative density is of great value in the diagnosis of the fatty liver of limitation.
结论：用CT值。血管相对密度变化，结合强化扫描对局限性脂肪肝有较高的诊断价值。
One of the major limitations of CT screening is the number of screens in which a nodule or other indeterminate finding potentially related to lung cancer is found.
CT成像的一个主要局限性在于要做几次扫描才能发现一个结节或其它可能与肺癌相关的异常。
Results: The distribution of number and inverse proportion of CT and MRI is reasonable in all levels and in all classes of hospital.
结果：CT、MRI在各级医院和各类医院的数量分布和比例分布较为合理。
Reduce the amount of time, and number of people needed with flexible, fit-for-purpose CT unit for offshore environments.
灵活、定制化的CT设备适用于海上作业环境，减少作业时间及工作人员数量。
Patients were divided into two populations by the medium number of CT performed.
将患者根据接受的CT检查的数量分成了两组。
CEA and liver CT were performed monthly, the situation of lipiodol deposition as well as the size and number of tumor was observed and the survival rate was also analyzed every month.
每月复查癌胚抗原(CEA)及肝脏ct，观察肿瘤内碘油沉积及病灶大小、数目，统计患者生存率。
This paper presents the study and application of the faults detecting experts system. The computer network is used in the state monitoring and faults detecting of number of remote ct systems.
论述了如何利用远程计算机网络实现对多台CT机系统进行状态监控和故障诊断的专家系统的研究及应用。
By the dual-energy ct method of nondestructive analysis, we can obtain the distribution images of both atomic number and electronic density or analysing petroleum core and distinguishing inclusions.
用该方法可得出检测样品的原子序分布图和电子密度分布图，用以分析油田岩芯以及区别其内含杂质。
Mean CT attenuation values between normal pancreas and tumor and the number of metastasis of liver during the different phases were compared.
比较各期扫描正常胰腺组织与肿瘤的密度差异和肝转移瘤的发现率。
Conclusion the effective average atomic number of energy spectrum ct can precisely determine the chemical composition of calculus.
结论能谱ct测定结石平均有效原子序数可以较准确判定结石化学成分。
A number of Brazil disc split-CT scanning tests are carried out to analyze the failure mechanism of porous rock and the changeable porous structure.
最后进行了巴西圆盘劈裂CT扫描实验，分析了孔隙岩石破坏机理及其孔隙结构的变化。
The use of CT in sour service has increased by job number, job complexity, pipe size, and the stresses to which the pipe is subjected.
随着作业井次、作业复杂性、油管尺寸和油管承受压力的增加，连续油管在含酸环境中的使用越来越多。
With the number of detector rows of spiral Computed Tomography(CT)increasing, the radiation dose to the patients appears varieties.
随着螺旋CT探测器排数的增加，病人所受辐射剂量也出现了新的变化。
With the extensive application of medical imaging technology such as CT, MRI and US, a large number of medical image data have been obtained.
随着CT、MRI、US等医学影像技术在临床中广泛应用，产生了大量医学图像数据。
With the extensive application of medical imaging technology such as CT, MRI and US, a large number of medical image data have been obtained.
随着CT、MRI、US等医学影像技术在临床中广泛应用，产生了大量医学图像数据。
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