Copper and tin and their alloy, bronze, were by far the most important.

  • 铜、锡以及二者的合金&青铜是顶顶重要的金属;
  • 来源:互联网摘选更新时间:2026-07-12 23:56:07

  • 重点词汇
  • were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
  • andconj. 和;与;而且;于是;然后
  • coppern.铜(币);警察;
  • bronzen.青铜;青铜色;铜牌;青铜艺术品;
  • importantadj.重要的;有声望的;
  • by far…得多; 更; 尤其;到目前为止;
  • theirdet.他们的;她们的;它们的;(在提及性别不详的人时,用以代替his或her);
  • tinn.锡;罐头盒;马口铁;镀锡薄钢板;
  • 相关例句
1、

Determination of Aluminium Lead Iron Cadmium Copper Tin in Zinc Alloy by Direct Reading Spectrometry

直读光谱法测定锌合金中的铝铅铁镉铜锡

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2、

Lead, tin and tin-lead alloy electroplating technologies using these two products are introduced.

介绍了采用两种产品的电镀铅、锡及铅-锡合金工艺。

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3、

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

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4、

Rapid polarography Determination of Micro Amounts of Tin in Copper Alloy

铜合金中微量锡的快速极谱测定

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5、

Study of electrodepositing bright Tin Cobalt Zinc alloy from weak acid solution

微酸性体系电沉积光亮锡钴锌合金的研究

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6、

This article describes the determination of cobalt and stannous ions in black tin cobalt alloy electroplating baths by means of spectrophotometry. The effect of measuring wave length, oxidant, addition of potassium pyrophosphate, interfering elements and other affecting factors on the measured absorbance were investigated.

利用分光光度法测定锡钴合金镀液中钴(Ⅱ)和锡(Ⅱ)的含量,探讨了测量波长和氧化剂的选择、焦磷酸钾的加入量、干扰元素等对测量结果的影响。

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7、

The proposed method has been successfully applied to the determination of Cu, Pb, Zn and Cd in tin basis alloy and waste water of electroplating.

本文提出的方法已成功地应用于锡基合金及电镀废水中铜、铅、锌和镉的测定,准确度好。

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8、

Tin Lead Alloy Plating

印制板与无铅化无铅覆铜板电镀锡铅合金

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9、

Rapid solidification of undercooled nickel-tin eutectic alloy

深过冷Ni&Sn共晶合金的快速凝固机制

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10、

Rapid Determination of Nickel in the Acidic Brightening Tin Nickel Alloy Plating Bath

酸性光亮镀锡镍合金镀液中镍的快速测定

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11、

The Study of Spindle Base Made of ZA-27 Alloy Instead of Tin Bronze Alloy

ZA-27合金替代锡青铜制造纺锭锭底的研究

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12、

Heated mold Continuous Casting of Tin lead Alloy

锡铅合金的热型连铸

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13、

Electron beam welding for clad tube of lower tin Zr-4 alloy

国产低锡Zr-4包壳管的电子束焊接

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14、

Determination of micro amounts of tin in alloy steel by sequential injection spectrophotometry

顺序注射分光光度法测定合金钢中微量锡

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15、

The determination of calcium in lead calcium tin aluminium alloy

铅钙锡铝合金中钙的测定

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16、

Tin Based Alloy Solder Powder for Free Cleaning Type Soldering Paste

免清洗型软钎膏用锡基合金焊粉

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17、

Structures and properties of electrodeposited tin nickel alloy after heat treatment

电镀Ni-Sn合金热处理前后的组织和性能

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18、

High precision welding materials pure tin lead alloy products.

高级精密焊接纯锡铅合金材料制品。

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19、

When charged/ discharged between 0-1.2V, copper-tin alloy with particle size of 50-60 nm has a reversible specific capacity of 300 mAh/ g and capacity retention after 50 cycles is 93.3%.

颗粒粒径为50-60nm的铜锡合金在0-1.2V之间充放电具有300mAh/g的稳定比容量,50次循环的容量保持率为93.3%。

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20、

So it has much significance to apply modern processes and technologies to the production of tin alloy artware in China, for that is to improve its quality and develop its production capacity.

因此,将现代成形技术应用于锡工艺品的生产制造,对于提高产品质量和扩大生产规模具有重要意义。

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