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Important Problems in Construction of Twice Pouring Concrete in Structural Transition Layer 结构转换层两次浇筑混凝土施工应注意的问题
structural transition layer 结构转换层
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。
Abstract: Social structural transition and social hierarchization exist objectively in modern China. 摘要：在当代中国，社会结构的变迁和社会分层客观存在。
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。
Social structural transition and social hierarchization exist objectively in modern China. 摘要在当代中国，社会结构的变迁和社会分层客观存在。
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 interaction can also be tuned to favor the structural transition that forms the native conformation, leading to an improved refolding yield. 又能够促进蛋白质结构重排以提高折叠产物收率；
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。
It is also a social process in which every country pushes on structural transition, reconstructs classes composition, and adjust and readjusts itself under external pressure. 全球化也是各国内部在外界压力下推进结构变迁、阶级整合和反复调整的社会过程。
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。
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。
Among the four mercurial species examined, only Hg(II) induces the secondary structure transition of HSA. 第二种是由二硫键、去质子肽氮、咪唑基和吲哚基上的氮、以及去质子羧基上的氧所形成的较弱结合位点。