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black patina
相关语句
  黑变
     The effect of impurity pb2+ in the electrolyte on the black patina formation on galvanized sheet surface and the properties of the coatings have been investigated by SEM, XRD, XPS and humidity cabinet tests.
     采用实验室模拟的方法,就Pb2+对电镀锌钢板黑变现象的影响进行了研究,同时利用SEM、XRD、XPS及电化学测试方法对镀锌层的特性和表面膜结构进行了测试、分析。
短句来源
     The results show that the Pb2+ concentration has great effect on black patina formation, and the black patina consists mainly of ZnO1-x.
     结果表明,Ph2+对电镀锌钢板黑变的影响极大; 黑变表面膜的主要成分是ZnO1-x,本文还讨论了Pb2+对电镀锌钢板黑变影响的机制。
短句来源
     It was found that lead ion can decrease the activation energy E a of black patina formation from about 34? kJ/mol to about 21? kJ/mol, and accelerates the rate of black patina.
     发现镀液中铅离子的存在使黑变反应的活化能Ea 从 34kJ/mol左右降低到 2 1kJ/mol左右 ,从而加速了黑变反应。
短句来源
     Abstract The composition and structure of black patina film on electrogalvanized steel sheets were studied by AES,XPS and small angle XRD. It was verified that the main constituents of the film were PbFe\-6O\-\{10\} and PbO\-2.
     采用XPS、小角度XRD、AES等测试手段对黑变膜的组成及影响因素进行了分析研究,确认PbFe6O10、PbO2等物质为黑变膜重要存在形式,铅、铁离子的存在对黑变膜有很大影响。
短句来源
     Illumination decreases the E a by 0.5? kJ/mol, but also decreases pre exponential factor A to a great extent, and the total effects of illumination withhold the rate of black patina. [
     光照虽然使Ea 降低了 0 .5kJ/mol,但同时较大幅度地降低了指前因子A的值 ,总的作用结果是抑制了黑变的反应
短句来源
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  “black patina”译为未确定词的双语例句
     STRUCTURE OF BLACK PATINA ON THE ANCIENT BRONZE MIRRORS
     铜镜黑漆古表层的结构
短句来源
     Effects of Pb Ion on the Formation of Black Patina of Galvanized Steel Sheet
     铅离子对电镀锌钢板黑变的影响
短句来源
     Investigation of Black Patina Film on Electrogalvanized Steel Sheets
     电镀锌钢板黑变膜的组成及影响因素
短句来源
     Kinetic study of black patina on electrogalvanized steel sheets
     电镀锌钢板黑变机理的动力学
短句来源
     Mechanism of black patina on electrogalvanized steel sheets
     电镀锌钢板的黑变机理
短句来源
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  相似匹配句对
     Black,M.
     Black,M.
短句来源
     STRUCTURE OF BLACK PATINA ON THE ANCIENT BRONZE MIRRORS
     铜镜黑漆古表层的结构
短句来源
     Mechanism of black patina on electrogalvanized steel sheets
     电镀锌钢板的黑变机理
短句来源
     Black, M.Scholes and R.
     Black,M.
短句来源
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  black patina
The surface of some of arrow-heads was covered with black patina and others with ginger-green patina.
      


This paper shows that Cu-Ag-Au alloy can be made to have a shiny black patina by treatment with weak organic acid, perhaps this method was used in ancient China. The result has been confirmed to obtain its structural information by X-ray diffraction. It contains Ag_2O. The mechanism and influence factors of black patina have been discussed primarily.

中国古代铜器表面着黑有多种技术。本文研究在铜-银-金合金表面,经过四种弱有机酸浸泡,形成致密乌黑有光泽的氧化膜,经鉴定主要为Ag_2O,并探讨了Ag_2O氧化膜形成的机理及影响因素。

X-ray diffaction analysis(XRDA)data of the black or brown patina on the surfaces of eight kinds of bronze mirror samples show 4 or 5 broad diffuse peaks which corresponding to almost the same 20 angle, while their matixes does not.These results indicate that those diffuse peaks were produced by the SnO2, microcrystals of 3  ̄5 nm size contained in the black or brown patina.The matrix of unearthed black patina bronze mirror numbered 223, gives strong XRDA diffraction peaks, indicating that there are a large...

X-ray diffaction analysis(XRDA)data of the black or brown patina on the surfaces of eight kinds of bronze mirror samples show 4 or 5 broad diffuse peaks which corresponding to almost the same 20 angle, while their matixes does not.These results indicate that those diffuse peaks were produced by the SnO2, microcrystals of 3  ̄5 nm size contained in the black or brown patina.The matrix of unearthed black patina bronze mirror numbered 223, gives strong XRDA diffraction peaks, indicating that there are a large amounts of non-oxidized bronze alloy particles surrounded by SnO2,which shows that the black patinas are not wholly metallic oxides (mainly SnO2),there are also a lot of original alloys of different sizes in grain in the patina.The bright-field image of the black patina sample gives the same result.

具有黑漆古褐漆古表层的8种铜镜样品表面X射线衍射分析(XRDA)结果表明,在相近的2θ角位置上都有4~5个较宽的弥散峰,而基体的XRDA结果都无弥散峰。结果表明弥散峰是样品表层中具有3~5nm的SnO2微晶所引起的。而已穿透腐蚀的黑漆古铜镜残片研细的XRDA结果尚具有基体的强衍射峰,表明黑漆古表层不单含有金属氧化物(主要是SnO2),还存在未被腐蚀而被SnO2所包裹的原合金大小不等的颗粒。

The effect of impurity pb2+ in the electrolyte on the black patina formation on galvanized sheet surface and the properties of the coatings have been investigated by SEM, XRD, XPS and humidity cabinet tests. The results show that the Pb2+ concentration has great effect on black patina formation, and the black patina consists mainly of ZnO1-x.

采用实验室模拟的方法,就Pb2+对电镀锌钢板黑变现象的影响进行了研究,同时利用SEM、XRD、XPS及电化学测试方法对镀锌层的特性和表面膜结构进行了测试、分析。结果表明,Ph2+对电镀锌钢板黑变的影响极大;黑变表面膜的主要成分是ZnO1-x,本文还讨论了Pb2+对电镀锌钢板黑变影响的机制。

 
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