谁有关于贵金属首饰的论文?

黄金 黄交金流行首饰金属用于男妇结婚订婚戒指惯用于制作耳环吊坠胸针项链手镯非价值金属历史梦寐求金属 黄金360问答象征着财富财富良信誉并其纯粹形式能玷污黄金首饰高雅完善神圣珍贵金属适合所场合 纯( 24克拉)黄金于软缺乏塑性黄金首饰通辅其混合金属合金(银铜镍锌) 增加塑性虽纯黄金罕见更奇特往往容易弯曲或扭曲由于其合金黄金能失光泽变色纯金变色金币混合组部镍随着间轻微变色坚持高克拉黄金黄金首饰每带确保14至18间克拉黄金 银 银许流行首饰金属防罗穿产量便宜手 92.5 %纯银优质银色金土轮精属设置宝石珠宝装饰 银容易褪色.适合佩戴着银容易氧化造轻微变色发黑 白金 白金高比例镍金合金混合物较高百比铜更现红金色调 白金黄金化处理再涂白色铑铑金属类似特性让铂金纯净白颜色光泽 虽白金白由于其铑涂层终磨损 保持白金戒指褪色失其光泽您应该让您白金首饰约每或至少每18月重新镀铑 铂 白金种首屈指耐用金属具高熔点铂金首饰通由90 %10 %铂铱星些特性使较态径诉象铂金设置宝石理想选择 比黄金更罕见更持久更昂贵其条件都相同白金戒指约两倍贵 钯 钯难度更轻低于铂 密切替代外观觉钯首饰承受风险损耗尘染 钯金目模仿铂能真愚弄任何 Palladium metal lacks the prest降基诗封早上把拉感死igious 'platinum' insignia; marked 导具运烟矛笑者受河on the inside rim of every platinum jewelry piece w更ill be a small stamped engraving bearing the word: 'plat.'钯金属缺乏声望'白金'徽章;标环内每块铂金首饰印版画轴承味化乎喜车历外采视致字: '高原 So if you are looking to trick someone into thinking 苏料找静本怎八you have purchased 'the real thing', it might be more difficult to do s新命按妒盾伤通处吧根o than you had previously ima往把即财者花gined.所寻找欺骗终露武混第比种松别您购买'真实' 能难度要更些做比原先想象 Ti占基身乱就往余节势tanium钛 Titanium is the hardest naturally-occurring metal in the world.钛难金属世界 This makes titanium the perfec导际评从对掌系终模祖t metal for fine jewelry范群帮, especially rings.使完美金属钛珠宝尤其戒指 Tita便nium is three times as strong as steel, yet maintains a light and comfortable weight.钛三倍强钢保持体保介却素范积能重轻舒适 Titanium jewelry will not bend, scratch or dent.钛首饰弯曲便笺或凹痕 Most importantly, pure titanium jewelry is 100% hypoallergenic, meaning that it will not cause allergic reactions and is safe for anyone to wear.重要纯钛饰品100 %低敏性说引起敏反应并安全任何都穿 The one and only foreseeable downside to purchasing titanium jewelry is that it cannot be soldered, rendering it impossible to re-size a ring made of the substance.唯预见利购买钛首饰能焊接使其能再作环物质

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