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铜贝
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  copper shell
     A STUDY ON THE ALLOY COMPOSITIONS OF COPPER SHELL MONEY IN CHU STATE
     楚铜贝合金成份的分析研究
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  “铜贝”译为未确定词的双语例句
     THE MOLD OF BRONZE SHELL MONEY FROM FAN CHANG CITY AND TECHNOLOGY OF CASTING COIN IN CHU STATE
     繁昌的楚铜贝范及其铸币工艺
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  相似匹配句对
     COPPER
    
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     Within the layer the copper?
     ?
短句来源
     A STUDY ON THE ALLOY COMPOSITIONS OF COPPER SHELL MONEY IN CHU STATE
     楚合金成份的分析研究
短句来源
     THE MOLD OF BRONZE SHELL MONEY FROM FAN CHANG CITY AND TECHNOLOGY OF CASTING COIN IN CHU STATE
     繁昌的楚范及其铸币工艺
短句来源
     FRAGMENTARY MATERIALS IN SHANGHAI
     上海滩拾
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  copper shell
For this purpose, highly disperse powders of composite particles representing a Co-P amorphous alloy core covered with a nanocrystalline copper shell were prepared by chemical deposition.
      
The total weight of the magnetic alloy is about 10 t and about 5 t for the inner copper shell.
      
Preparation of electrically conducting particles consisting of a polymer core and a metallic copper shell
      
Copper shell char composites using coated char particles were also successfully made by powder metallurgy techniques.
      
A parametric numerical study of "ideal" equilibrium field (EF) coil systems was performed for lowq (q=2) tokamaks as a function of aspect ratios,β values, elongation, and distance of the equivalent copper shell from the plasma surface.
      
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he life-span of water pumps made of bainitic nodular cast iron by isothermalhardening is 2 to 4 times longer than that of common grey cast iron. Because of complicatedproduction process,however,its popularity and applications are limited.In order to increase thelife-span of water-pumps and simplify the production process, the microstructure and the erosionwear resistance of W-Mo-Cu bainitic grey cast iron obtained by adding suitable W,Mo and Cuelements in common grey cast iron was studied.The observation by...

he life-span of water pumps made of bainitic nodular cast iron by isothermalhardening is 2 to 4 times longer than that of common grey cast iron. Because of complicatedproduction process,however,its popularity and applications are limited.In order to increase thelife-span of water-pumps and simplify the production process, the microstructure and the erosionwear resistance of W-Mo-Cu bainitic grey cast iron obtained by adding suitable W,Mo and Cuelements in common grey cast iron was studied.The observation by scanning electron microscopeand transmission electron microscope found that when W and Mo content is 1.50%(wt)and0.60%(wt)respectively,microstructure of W-Mo-Cu bainitic grey cast iron is fine aciculargraphite, bainitic matrix and small quantity of white-bright region. And bainitic matrix consists oflarge quantity of platelet bainite without carbide and small quantity of acicular bainite. Its tensilestrength is 450一500MPa and hardness is HB 280一350.The contrast test results of erosion wearshown that erosion wear resistance of W-Mo-Cu bainitic grey cast iron is 4. 83 times and 1.65 timescomparing with that of common grey cast iron and B-Cu alloying cast iron respectively,and is thesame as that of bainitic nedular cast iron by isothermal hardening.

利用等温淬火贝氏体球铁所制水泵的使用寿命是普通灰口铸铁水泵的3一5倍,但因这种材料的生产工艺复杂而使其推广应用受到了限制。为了既能提高水泵的使用寿命,又能简化材料的生产工艺,对在普通灰口铸铁中加入适量的钨、钼、铜所获钨钼铜贝氏体灰口铸铁的组织与耐冲蚀磨损性能进行了试验研究,扫描电子显微镜和透射电子显微镜观察发现,在钨和钼的加入量分别为1.50%(wt)和0.60%(wt)时,钨钼铜贝氏体灰口铸铁的组织为细小片状石墨、贝氏体基体和少量的白亮区。其中,贝氏体基体系由大量板条状无碳化物贝氏体和少量细针状贝氏体组成,其抗拉强度为450一550MPa,硬度为HB280一350。冲蚀磨损对比试验结果表明,钨钼铜贝氏体灰口铸铁的耐冲蚀磨损性能分别是普通灰口铸铁和硼铜合金铸铁的4.83倍和1.65倍,并与等温淬火贝氏体球铁的相当。

Abstract Selected some sample Yi Bi coins from several representative places and analysed their compositions, resulted that the change of alloy compositions of Yi Bi coin can be divided into three kinds and close realated to the casting time and place of Chu State at that time. The alloy of Yi Bi coin was affected by the prosperity and decling of Chu State.

铜贝合金成份的分析研究汪昌桥,渭雄,吕长礼ASTUDYONTHEALLOYCOMPOSITIONSOFCOPPERSHELLMONEYINCHUSTATE¥WangChangqiao;WeiXiong;LuChangliAbstract:Selec...

Abstract Introduce the mold of bronze shell money of Chu State excavated in Fanchang city which had high congent and easy to cast bronze shell coins.Think the bronze shell coins were vertically casting by two pieces of this kind of mold, and they were belonged to the third stage in the late period of Chu State.

繁昌的楚铜贝范及其铸币工艺陈衍麟THEMOLDOFBRONZESHELLMONEYFROMFANCHANGCITYANDTECHNOLOGYOFCASTINGCOININCHUSTATE¥ChenYanlin(12)Introducethemoldo...

 
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