沉积层

  • 网络deposition layer;sedimentary layer;Qmc;illuvial horizon
沉积层沉积层
  1. 利用XRD研究了Ni-Mo合金沉积层的结构。

    Also , it carries out a XRD analysis of the structure of Ni-Mo alloy deposition layer .

  2. 渗镀复合层由被渗元素在碳钢基体中的沉积层和扩散层构成,即其组织结构为细小均匀致密的TiN胞状物沉积层+TiN扩散层+Ti、N固溶体扩散层+基体。

    The permeation multilayer is a duplex layer , composed of surface deposition layer and diffusing layer , that is , the structure of TiN deposition layer + TiN precipitated phase + Ti , N solid solution diffusion layer + substrate .

  3. 添加剂的整平能力及其对Cu电沉积层结构的影响

    Leveling Ability of Additives and Their Effects on Structure of Cu Electrodeposits

  4. 用CO2置换水合物沉积层中CH4可行性分析

    Feasibility analysis on replacement of ch_4 from hydrate sediment by co_2

  5. 提高镀液中H2SeO3的浓度会使沉积层中的Se过量。

    Increase of H_2SeO_3 concentration will cause the deposited layer to contain excess Se .

  6. SiC表面活化对Ni-Co-P/SiC复合沉积层性能的影响

    Effect of surface activation to SiC on the properties of Ni-Co-P electroless composite coating

  7. 合金沉积层的显微硬度随镀层中的W含量提高而增大。

    The microhardness of the alloy deposit increases with the raise of tungsten content in the deposit .

  8. 在~(14)C、古地磁、氨基酸测定、微体古生物,矿物和化学元素测试分析的基础上,划分了本区的沉积层及年代。

    Based on analyses by 14C , paleomagnetism , amino acid , micropaleontology , minerals and geochemistry , the stratification and their depositional period are determined .

  9. TiN渗镀层由TiN颗粒均匀分布的扩散层及表面TiN沉积层组成。

    TiN permeation layer was composed of external deposition layer and diffusion layer with evenly distributed TiN particles .

  10. SH波对浅埋圆形结构附近半圆形沉积层的散射

    Scattering of SH-Wave by Semi-Cylindrical Alluvial Valley above Subsurface Structure

  11. 随热循环上限温度升高,TiN沉积层的热疲劳抗力降低;

    The thermal fatigue resistance of TiN coating cuts TiN coating cuts down with the thermal cyclic upper temperature rising ;

  12. 工模具钢表面NbC沉积层及其性能的研究

    NbC Coating Layers on the Tool Steel Surface and Its Properties

  13. 结果表明:Ni沉积层的氧化产物有助于提高界面湿润性、改善界面结构;

    The results show that the interface wettability has been increased and the interface construction has been improved because of the Ni depositing layer oxided ;

  14. 利用现有的物性资料以及沉积层的厚度分布,线性插值得到各网格点的密度、波速以及Q值的深度分布,在此基础上建立二维横向非均匀结构模型。

    Grid with the distribution of density , velocity and value which are provided by linear interpolation along the depth of the Quaternary sedimentary layer .

  15. X射线衍射及线扫描分析表明,沉积层组织中含有碳化物等复杂物质以及电极、工件元素,并且电极和工件元素沿沉积层深度方向按一定的梯度分布。

    According to the analyses of the x-ray diffraction and line scan , the depositing layer is consisted of carbides , the elements of positive electrodes and specimen ' s.

  16. 实验结果表明,将一定量的Co引入Ni沉积层,可以显著地提高其硬度;

    The experimental results show that introduction of a certain amount of Co in Ni deposit to form Ni-Co alloy can increase the hardness of the deposit significantly .

  17. 喷射高度控制系统包括漏包提升执行机构、沉积层厚度在线测量、基于PLC的喷嘴高度控制。

    The control system of spray height consists of executive mechanism of tundish lift , online measurement of deposit layer thickness and control of nozzle height based on PLC .

  18. 不同级别、不同发展阶段的火山构造对化石沉积层的形成、分布和保存起到了不同的作用。三级火山构造控制了义县火山沉积岩系呈NE向展布;

    The volcanic structures of various grades and different stages affected the formation , distribution and preservation of fossil-bearing beds in various degrees .

  19. 为了控制无氰K金(Au-Cu二元合金)电铸沉积层的合金成分,研究了影响沉积层合金成分的几个因素及其影响情况。

    In order to control the composition of Au Cu binary alloys deposition without cyanide . The parameters that affect the composition have been investigated by periodic reverse pulse electroforming .

  20. 结果表明,Pb-Zn合金电沉积层不能形成固溶体。

    The experimental results showed that the Pb-Zn alloy deposit could not be formed in solid solution .

  21. Ni-Mo合金电沉积层织构及形成机理

    Mechanism and Texture of Ni Mo Alloy Electrodeposition

  22. 对沉积层和基材的磨损性能进行了研究,用SEM、EDS等手段分析了磨面和磨屑的形貌及成份,结果表明沉积层的耐磨损性能优于基材。

    The morphology of wear surface and debris were analyzed . The results show that the wear resistance of deposition layer is higher than that of substrate .

  23. 对SH波作用下,半圆形凸起与半圆形凹陷或半圆形沉积层相连地形的散射问题进行了研究。

    This paper presents the models and solutions for the scattering of SH wave by a semi-cylindrical hill adjoins a semi-cylindrical canyon or a semi-cylindrical alluvial valley .

  24. 电流密度对Ni-W-B合金电沉积层结构和显微硬度的影响

    Effect of Current Density on the Structure and Microhardness of Ni-W-B Alloy Electrodeposit

  25. 在被Zn2+污染了的镀镍溶液中加入甘氨酸.可获得含有少量Zn的Ni-Zn合金电沉积层,其沉积层的耐蚀性比纯Ni沉积层更好。

    When glycine was added to the nickel plating solution polluted by Ni2 + , Ni-Zn alloy deposit was obtained , it contained a little zinc and its properties of anticorrosion was better than pure nickel deposit .

  26. 声发射划痕实验结果表明,沉积层与陶瓷基体结合得较好,在100N的最大载荷下,沉积层没有出现剥离和崩落现象。

    The result of scratching test indicated that the coating layer is combined well with ceramic body .

  27. Al2O3的复合,显著改变了Ni(Cu,P)合金沉积层的组织与性能,使Ni(Cu,P)Al2O3复合材料具有更高的硬度、耐磨性和抗氧化性。

    The co-deposition of alumina obviously changed the deposited microstructure and properties of Ni ( Cu , P ) alloy , resulting in a higher hardness , wear resistance and anti-oxdizing property for Ni ( Cu , P ) - Al_2O_3 composite .

  28. 以上海市区第V承压含水层(埋深约350m)以上的整个第四系松散沉积层为研究体,将上海地下水系统作为一个完整且不可分割的系统来研究。

    Taking the sediment of the Quaternary system above the 5th confined aquifer , 350m under the ground around Shanghai city , as the target body to be studied as whole system for groundwater .

  29. 计算得到的扩散激活能Q和生长速率常数K表明预渗氮碳可以加速钒铌沉积层的形成,而钒和铌的共同沉积Q值是单渗钒或铌的最小值。

    The obtained diffusion activation energy Q and growth rate constant K showed that the pre-nitrocarburizing can accelerate the formation of vanadium niobium carbonitride coating . The Q value of vanadium and niobium co-deposition was the minimum value of single deposition vanadium or niobium .

  30. 此外,DO、Eh、SO42-及Es的变化与水体中有机碳的矿化分解过程和碳在沉积层中沉积埋葬过程相耦合。

    Moreover , the mineralization of organic carbon was coupled with the changes of DO , Eh , SO_4 ~ ( 2 - ) and Es , and the deposition and burial process of carbon in sediments .