surface deposit

The deposit underground thermal ore forming phase and surface oxidation phase. The thermal ore forming phase consists of a pyrite arsenopyrite quartz stage, a gold tetrahedrite galena sphalerite quartz stage and a quartz carbonate stage.

矿床形成分热液成矿期和表生氧化期，其中热液成矿期又分黄铁矿-毒砂-石英阶段、金-黝铜矿-方铅矿-闪锌矿-石英阶段、石英-碳酸盐阶段。

The dielectric performance indicated that the tantalum anode dissolves deposit in the porous surface and the porous internal, bonds with the porous oxide film by a nanometer size.

电性能研究表明多孔型氧化铝作基体进行电沉积时，钽阳极溶解部分在多孔膜表面及多孔内部都有沉积，且以纳米尺寸与多孔氧化膜复合。

Our study reveals that the ore-bearing porphyry exposed at surface is only the apophyses and intense erosion did not take place thus the main porphyry are still at depth and it is potential for discovering big porphyry deposit to depth.

研究表明，地表和浅部出露的含矿斑岩体只是其岩枝，矿床剥蚀程度低，主斑岩体尚未出露，深部找矿潜力巨大。

Application of lubrication protective agent on electrical contact surface of tin and tin alloy deposit

润滑保护剂在锡及锡合金镀层电接触表面的应用

It has been found that a lot of gypsum and zinc bearing siderite occur on the surface of Xitieshan deposit and near ore country rocks of the upper part of the ore body.

锡铁山矿床地表及上部中段的近矿围岩中发育大量的石膏和含锌菱铁矿，长期以来主要作为喷流沉积或后期改造的产物。

Influence of reverse pulse current on deposit surface roughness

反向脉冲电流对镀层表面粗糙度的影响

The relation between surface deposit on stainless steel intrauterine contraceptive device and complications

不锈钢宫内节育器表面沉积物与并发症关系的初步探讨

Discussing about the reasons of surface deformation in the empty area of gypsum deposit in shaodong, hunan and how to prevent them

邵东县城石膏矿老采空区地面变形原因及防治对策

Lipid layer of a hydrophobic surface on which the anti felting resin can't deposit well.

羊毛表面类脂结构的存在不利于防毡缩树脂的吸附.

The concentrations and distribution patterns of lead, zinc, mercury in surface water of Fenghuang lead-zinc deposit area of western Hunan province and its natural and human causes were studied.

以湘西境内凤凰铅锌矿区不同区域的地表水为对象，研究了铅锌矿区水体中Pb、Zn、Hg等元素的污染状况及成因。