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- Crust and mantle in these two areas are coupled as complicated crust mantle transitional zone consisting of multiple laminae with alternate high and low velocities, totaling 20 km in thickness. 海原地震区和巴颜喀拉地块与柴达木地块结合带莫霍面具有明显的活动迹象;壳幔耦合为复杂的高、低速相间的多层壳幔过渡带;总厚度达到20多千米.
- (3) The crust mantle transition in the west is considerably thicker than in the east, probably due to different extents of magmatic underplating. (3)西部壳幔过渡带较厚而东部较薄，反映两地不同的岩浆底侵作用程度。
- According to the seismological observations, there is usually a layer called as a transition layer which generally has an intermediate speed between P-wave speeds in typical crust and mantle rocks. 摘要根据地震测量结果，造山带常见一个P波传播速度介于典型地壳和典型地幔之间的圈层，称为壳幔过渡层。
- The mineralization related intrusive was emplaced in three times after magmatic differentiation of the crust mantle mixed magmas. 在第一侵入期花岗闪长岩体内、外接触带的构造有利部位形成金矿体，在第二侵入期花岗闪长斑岩周围 形成铜矿体。
- Material basement and migration dynamic are two essential problems that have to be answered by the crust mantle hydrocarbon abiogenesis theory. 油气生成的物质基础和运移动力是油气壳-幔非生物成因说必须回答的二个基本问题。
- Therefore,select welding material for transition layer and welding are key. 过渡层焊缝焊接材料的选择及焊接是关键。
- Originally,it belongs to the syntectic granite series,and about the source,belongs to mixed type of crust mantle having obviously multistage magmatic activities. 在成因上属于同熔型花岗岩系列，在物质来源上属于壳幔混合型，岩浆活动具明显的多阶段性；
- The chemical elements such as Fe, Cr, Si, Ni are included in the white bright band and transition layer. 白亮带及过渡层中主要含有Fe ,Cr,Ni,Si等元素。
- With the transition layer, tensile strength of the joint of FEP and stainless steel exceeds 16 MPa. 采用自制的过渡层 ,利用模塑方法使FEP和不锈钢的粘接强度达到 16MPa以上。
- A better transition layer material was confirmed,which overcame the problem of fragmentation and lamination of PDC. 确定了一种效果较好的过渡层,较好地解决了金刚石/硬质合金复合片碎裂及分层的问题。
- The finished product ratio of PDC was studied by using various transition layer materials. 采用了不同的过渡层材料对金刚石/硬质合金复合片的成品率进行了研究。
- Hot-dip aluminizing is a kind of method to form the transition layer and the surface layer. 钢铁表面热浸镀铝是将钢铁材料或零件浸入铝浴中，在钢铁表面形成铁铝化合物层和镀液层。
- And in this method a transition layer of alloy or intermetallic compound will be formed. 9 articles had been published. 用此法形成的膜与基底材料在界面处形成了合金或金属间化合物的缘帮。共发表论文9篇。
- The results show that the transition layer with high bearing strength and high wear resistance can be obt ained by C-B double cementation. 结果表明：复合渗可得到较强支撑作用的过渡层，从而使渗硼层耐磨性提高。
- The results showed that the samples with Cr transition layer improve greatly the adhesion of Al in comparison with the samples without Cr layer. 实验结果表明：增加铬过渡层的样品，铝膜结合的非常牢固，附着力得到很大的提高。
- Because welding near the base layer and clad layer surface belongs to heterogeneous materials welding,transition layer is needed. 基层和复层接口附近的焊接属于异种金属的焊接，大多数情况下需要焊接过渡层。
- Scientists call this layer of crust and upper mantle the lithosphere. 科学家称这层地壳和上部地幔为岩石圈。
- The punctuated turn over and avalanche effect in phase transition layer may play a key role for the resurfacing and lithosphere foundered of Venus in 500 Ma intervals. 金星地幔相变边界层的穿透对流可能是推动其表层岩石层全球性更新的关键;导致其表层火山活动和地表构造以大致500 Ma时间间隔更新和重造.
- The results indicate that the transition layer of 40CrNiMoA steel strengthened with graphite or Cr12MoV electrode is thicker than that with CrWMn or YG-8 electrode. 结果表明,石墨和Cr12MoV电极瞬态电能强化40CrNi MoA钢表层后,形成的过渡层较宽,而由Cr WMn和YG-8电极强化后的过渡层较窄。
- PCH was used to join Cu/Fe. With the increases of joining temperature and holding time, the width of transition layer near the contacting surfaces become larger. 采用脉冲大电流热焊接方法对Cu/Fe进行了焊接实验,分析了界面过渡层宽度与焊接温度和保温时间的关系,得出随焊接温度和保温时间的延长,界面过渡层宽度增加。
