本文试图采用卫星重力资料和一种新的反演方法来研究地幔的横向密度异常分布。
In this paper, we attempt to use satellite gravity data and a new inversion method to study the lateral density anomalies distribution in the mantle.
分析了全球密度异常与板块构造的关系,探讨了全球密度异常分布对板块运动的作用。
The relation between global density anomalies and plate tectonics is discussed. And the action of density anomalies to plate moving is analyzed also.
按照这一模式,纬向重力总是把地球物质从“纬向密度异常高”的地区推向“纬向密度异常低”的地区。
According to this mode, latitudinal gravity always pushes the earth's matter toward the region of"latitudinal density anomaly low"from"latitudinal density anomaly high".
利用360阶的EGM96地球重力场球谐系数计算了不同深度球层的密度异常及不同深度球层的构造应力。
According to spherical harmonic coefficients of 360 orders of EGM96 Earth's gravity field model, density anomaly and tectonic stress in different depth of crust have been calculated.
另外,采用阻尼最小二乘方法,利用全球地震层析成像资料和大地水准面异常资料联合反演了三维全球地幔密度异常。
Moreover, The authors inverted three dimensional global mantle density (anomaly) combining geoid data and seismic tomography data by means of damping least square method.
在从观测布格重力异常中扣除上述密度异常引起的重力异常后的数据基础上,直接反演了中国西北区域莫霍界面的深度。
Subtracting the gravity anomalies caused by density anomalies from the observed Bouguer anomalies, we inversed the depth of Moho of northwestern China by using the residual anomalies.
几年后,LRP5基因的另一个变异被发现能相反的作用,即骨密度异常高和抵抗骨质疏松,在这种情况下,LRP5基因过于活跃。
A few years later, another mutation was found in LRP5 that produced the opposite effect, extremely dense bones and resistance to osteoporosis. In this case, LRP5 was overactive.
结果表明,与地幔内部密度异常产生的热效应相比,运动的板块及其激发的地幔流动在全球地表观测热流的产生和分布特征上起着更为重要的作用。
Results show that the thermal effect of plate motion driven mantle flow and its contribution to the observed heat flow is greater than that due to internal density anomaly (tomography based).
日冕的电离气体(又叫等离子体)不仅非常炙热,而且异常稀薄,其密度还不到组成太阳主体的氢气密度的十亿分之一。
As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.
血脂异常:高饱和脂肪酸的饮食能够增加低密度脂蛋白胆固醇的程度。
Abnormal blood fats: a diet high in saturated fats increases the level of LDL (bad) cholesterol.
然而,在患者中,它在异常位置呈团块出现:通常是在胞核外,但有时出现在光密度差的、透镜状团块中。
In sick patients, however, it shows up as clumps in unusual places: usually outside the nucleus but sometimes in an odd, lens-shaped clump inside.
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。
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.
根据模型分解的思想,采用变密度多层地壳密度模型,据此推导了相应的重力异常正演计算公式。
The variable density multilayered crustal model is put forward according to the idea of model decompose in this paper, and the corresponding gravity forward formula is deduced.
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。
Abnormal CT imaging of pancreas include swell, tumor, illegibility of peripancreas fat and low density areas in contrast pancreas and so on.
乳腺癌密度增高能剧烈地增加发生乳腺癌的风险,如同发现经活检确认的不典型增生或异常细胞生长一样。
Having high breast-tissue density can drastically raise your risk of developing breast cancer, as does finding atypical hyperplasia, or abnormal cell growth, which is confirmed by a biopsy.
CT图像见到肯定阳性病灶19 个(100%),表现为明显的异常高代谢病灶,其中6 个(31.6%)病灶内部密度不均匀,5 个(26.3%)显示边界模糊不清。
On PET/CT images, 19 positive lesions(100%)showed abnormal intense high metabolic region, 6 (31.6%)of them showed heterogeneous density and 5(26.3%)showed untidy margin.
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。
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.
本文用有限单元法计算形状任意、密度分块均匀的二维物体的重力异常。
The finite element method is applied in this paper to the calculation of the gravity anomaly for the two-dimensional body, which has arbitrarily shape and homogeneous density in each element.
针对此问题,本文提出了一种基于密度背景纯化的异常检测算法。
Here a density background refinement-based anomaly detector is proposed to solve this problem.
例如,盐穹表现为负的重力异常,因为比起所有的固结沉积物,岩盐具有较低的密度。
For instance, salt domes appear as negative anomalies because rock salt is of a lower density than all consolidated sediments.
年际和年代际尺度上,热带太平洋的温度异常主要发生在密度跃层附近。
The oceanic temperature anomaly is mainly located in pycnocline both on the interannual and interdecadal time scales.
流体含水测井曲线出现异常,曲线幅度变化与流体密度曲线正好相反;
Fluid identification logging curve is abnormal, the curve amplitude change is inversed with the fluid density curve;
前臂近段的异常密度该如何诊断?
What is the diagnosis for the finding(s) involving the proximal forearm?
依据岩石密度特征,应用布格重力异常资料,在内蒙古东部地区推断7个大型岩浆岩活动区(带)。
Seven large areas (zones) of magmatic activities were detected on the basis of rock density characteristics and Bouguer gravity anomaly data of eastern Inner Mongolia.
依据岩石密度特征,应用布格重力异常资料,在内蒙古东部地区推断7个大型岩浆岩活动区(带)。
Seven large areas (zones) of magmatic activities were detected on the basis of rock density characteristics and Bouguer gravity anomaly data of eastern Inner Mongolia.
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