减薄

The transition of source region from lithospheric mantle to asthenosphere indicates the thinning of lithospheric mantle and upwelling of asthenosphere caused by large scale strikeslip fault, which is the major controlling factor for decomposition melting of phlogopite in the metasomatized lithospheric mantle to generate the typeI ultrapotassic magmatism.

岩浆源区从岩石圈地幔向软流圈演变，暗示大型走滑断裂引起的岩石圈地幔减薄和软流圈上涌是导致交代岩石圈地幔金云母分解熔融产生区内I型超钾质岩浆的主控因素。

The v values of lherzolite and pyroxenite obtained at 1.4GPa are 7.87km/s and 7.47km/s respectively.

而现代地球物理资料显示该地区莫霍面深度为32km，认为26Ma以来，该地区发生了大规模的岩石圈减薄地质事件。

Modified/Improved Rift heat flow modeling to account for radiogenic heat component loss during rifting. The traditional models over-predict heat flow and maturity in such basins.

改进的裂谷盆地热模式，可考虑裂谷过程中岩石圈厚度减薄引起的放射性生热的的损失，传统的模式中预测的热流和有机成熟度过高。

If this explanation is correct, the present lithosphere mantle in the North China block is mainly the relict after the Mesozoic lithospheric thinning, rather than the new accreted mantle.

华北岩石圈地幔的低水含量有可能是由于上升软流圈的热侵蚀造成的，因此目前的华北岩石圈地幔可能大部分都是中生代岩石圈减薄后的残余，而不是新生地幔。

In this paper, based on nonlinear FEA software ANSYS/LS-DYNA, 3D dynamic simulation models of eighteen-type tubes for backward spinning was established. This paper not only obtained spinning force of tube backward spinning but also obtained the spinning force curves varying with the different reducer ratio, feeds, fillet radius for spinning roller, forming angle and diameter of spinning roller, and diameter blank inner.

以大型非线性有限元软件ANSYS/LS-DYNA为分析平台，通过对18种几何尺寸和参数不同的筒形件三旋轮强力反旋旋压过程的三维动态模拟，得到了它们的旋压力以及旋压力随不同减薄率，旋轮进给量，旋轮圆角半径，旋轮成形角，旋轮直径和毛坯内径的变化曲线。

The result shows that the cruciform specimen with square thinning center region is the superior device for the investigation of forming limit stress diagram to obtain the more homogeneous stress distribution in the center region, to realize the large deformation and the fracture appears in the center region more easily, and to control the stress concentration preferably.

结果表明，中心区方形减薄的十字形试件有更好的中心区应力分布均匀性，更容易实现大变形以致破裂发生在中心区，能较好地控制应力集中，是更适用于板料成形极限应力图研究的实验装备。

For the sake of decreasing the use of steel and not to lower its strength,the wall of the syphon becomes thinner.

随着大容量、高参数锅炉的发展，受热面结构更加紧凑，要求弯管半径更小，为了减少钢材的消耗，又不降低强度，要求弯管壁厚减薄率更小。

GaN ; Schottky diode ; thin surface barrier model ; thermion field emission

氮化镓；肖特基二极管；表面势垒减薄模型；热电子场发射

This thinning is a sign of readiness for labor and birth.

这是一个减薄的迹象，随时准备为劳动和出生。

Occurrence of tectonic heat event on late-Mesozoic in Ordos basin result from intensive thermal mobility of deep lithosphere on the late-Mesozoic,Thermal mobility of deep lithosphere in sourth region is stronger than in north region. Mantle occur underplating and thickness of lithosphere reduce, magma invasion and eruption occur on late-Mesozoic. Ordos basin be in weak extension environment on late-Mesozoic.

鄂尔多斯盆地中生代晚期构造热事件发生的根本原因在于中生代晚期岩石圈深部的热活动增强，盆地南部岩石圈深部热活动性更强，早白垩世鄂尔多斯盆地处于一种弱拉张的构造环境，地幔发生底侵作用，岩石圈减薄，发生岩浆侵入和喷发。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。