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coarse grained metal 粗晶金属
In some cases, if the salt solution of the metal ion content for simple ion, the coating, therefore, coarse grains to adopt complexation ion of plating solution.
有些情况下﹐若镀液中主盐的金属离子为简单离子时﹐则镀层晶粒粗大﹐因此﹐要采用络合离子的镀液。
The toughness of weld metal is the highest while the coarse grained region in the HAZ is the lowest because of welding thermal cycle and formation of brittle microstructure.
试验钢由针状铁素体和少量块状铁素体组成,焊缝为典型的针状铁素体组织,焊接热影响区粗晶区以粒状贝氏体为主。
Mainly coarse grained gold, along with pyrite, pyrrhotite, arsenopyrite, and minor base metal sulfides, occur in networks of quartz veinlets, brecciated wallrock, and disseminated in altered wallrock.
大部分粗粒金主要赋存在网格状石英细脉和角砾状围岩中的黄铁矿、磁黄铁矿、毒砂和少量贱金属硫化物中和以分散状分布在蚀变围岩中。
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