Most galaxy associations are small and have a low density contrast.
大多数星系协是小的，密度反衬低。
The lateral inhomogeneity and the variation of density contrast with depth in the crust and their effects on the inversion of gravity field are discussed.
本文讨论利用重力资料反演莫霍面时，地壳横向不均一性，密度随深度变化以及异常数据滑动平均处理对解释结果的影响程度。
One of the important geological applications of the gravity method is to trace the boundaries of structures across which gravity anomalies and the density contrast differs significantly.
重力方法重要的地质应用之一是主要根据重力异常及密度变化追踪构造的边界。
The inversion shows that the method of effective density leads to the depth of basin smaller than the actual's, and the width of basin is more significant than the density contrast in computation.
模型的反演计算结果表明，有效密度法得到的深度偏浅，盆地宽度的影响比密度分布的影响大。
In contrast, fruit juices and dried fruits are concentrated sources of natural sugar and therefore have a high energy density - more calories - and they don't fill you up as much.
相较而言，水果汁和干制水果是富含天然糖分，因此能量密度高，卡路里高，同时也不容易让人感到饱足。
The method was illustrated by experiment on plain laser paper to combine relative contrast and color contrast to obtain optimum solid density of printing.
以素面镭射纸为例，通过实验，阐述了结合相对反差和色彩反差来确定印刷最佳实地密度的方法。
Since liquid blood and the vessels are not very dense, a contrast with high density (like the large iodine atoms) is used to view the vessels under X-ray.
由于液体血液和血管是不是很密集，高密度的对比(如大量的碘原子)是用来查看X射线下的船只。
The contrast enhanced CT have homogeneous or heterogeneous density.
CT增强扫描肿块密度均匀或不均匀强化。
UCR is conducive to the reproduction of density and saturation, but likely to lose contrast and gray balance of image.
UCR有利于色彩密度和色度的良好再现，但会损失图像的反差和灰平衡效应。
The density and contrast of images were adjusted by the gradation processing, the tiny construction of images was enhanced by the edge enhancement.
运用层次处理技术调整图像的密度和对比度，运用锐化处理技术实施影像细节的增强。
Conclusion The density values of coronary plaques were found to be correlated with size, slice width and contrast medium concentration.
结论冠状动脉斑块的密度值与斑块大小、层厚及对比剂浓度相关。
With the mass injection of iodine contrast agent, cerebral CT perfusion mapping displays cerebral density changes caused by the contrast agent when it passes through capillary vessels.
脑CT灌注成像主要通过团注碘对比剂显示毛细血管内对比剂通过时引起脑组织密度变化状态。
The density of solid masses were homogeneous, or heterogeneous with calcifications and cystic changes, and prominent contrast enhancement.
实性部分密度均匀或不均匀，可有钙化和囊变区，明显增强。
Abnormal CT imaging of pancreas include swell, tumor, illegibility of peripancreas fat and low density areas in contrast pancreas and so on.
胰腺的异常CT征象为胰腺体积增大、肿块、胰周脂肪层次不清及增强后胰腺内低密度影等。
The results showed that the growth rate, density and the health of mycelia on the medium mixed with wood flour and rice bram were significant better than that in contrast medium PDA.
结果表明，在木屑、米糠混合培养基上菌丝的生长速度、密度以及菌丝的健壮程度都明显好于pda培养基上生长的菌丝。
Results image contrast and film image density is quickly adjusted by mechanism of automatic exposure control to optimize imaging.
结果自动曝光控制机构迅速调整对比度和胶片影像密度，使成像结果最佳。
In order to test the effect of the senior aerobics on density of menopause womens bone, 40 menopause women were divide at random into a contrast group and an aerobics group.
为了探讨老年有氧健身操锻炼对绝经女性骨密度的影响，将40名绝经女性随机分为对照和有氧健身操组。
Hyperintensity or mixed density was showed on non-contrast CT scan and enhanced in varying degrees on contrast CT scan.
影像学上ct表现为高密度或混杂密度，增强扫描呈不同程度强化。
Results NTHI could obviously increase discover rate of spontaneous echo-contrast, density and brightness of smoke-like echo.
结果NTHI明显增加心腔内自发性造影回声的检出率及云雾密度与亮度。
Using the fringe the number of trapped atoms are estimated. And from contrast of the fringe the information about density disturb of atom cloud can be got.
理论分析表明从从荧光干涉条纹的强度分布中可获得关于俘获原子总数以及密度分布的信息。
In contrast to the batch culture, the culture cycle of fedbatch culture was prolonged, and cell density and MAb production were improved.
与批培养相比，流加培养的培养周期长，细胞密度、单抗浓度高。
This paper analyzes the influence of high-frequency artifacts on the detection of high-contrast micro defects in regions of sharp density transitions inside large workpieces in industrial CT systems.
大型工件内部密度锐变区域的高对比度的微小缺陷的检测是工业CT的主要检测任务之一。
After injection of contrast medium, there was slight heterogeneous enhancement in low density areas …
增强扫描，低密度区轻度不均匀强化，而间隔样纤维化、钙化影则不被强化。
In contrast to the great works of the urban planning programs in the suburbs, we go back to the scale and density of the historical center.
与城市规划方案中郊区开发的伟大计划不同，我们追溯到了该历史中心的规模和密度。
Irregular linear low signal intensity lines were observed on T1-weighted, T2-weighted, proton density, and contrast enhanced images, and these represented the fracture.
不规则线性低信号线观察t1加权，T2加权，质子密度，并增强图像，而这些代表了骨折。
This article analyzes such Characteristics as sensitivity, fog density and contrast of the colour positive.
分析了彩色正片的感光度、灰雾度和灰差度等特性；
This article analyzes such Characteristics as sensitivity, fog density and contrast of the colour positive.
分析了彩色正片的感光度、灰雾度和灰差度等特性；
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