A simple, selective chelatometric titration method to determine the high content of tin in tin bearing alloy and ore sample is proposed.
提出测定含锡合金和矿样中高含量锡的一种简易、选择性螯合滴定法。
Bearing metal tin can up closed and reduce friction role.
轴承金属镀锡可起密合和减磨作用。
Titanium nitride(TiN) hard protective films were fabricated on AISI52100 bearing steel surface employing plasma immersion ion implantation and deposition(PIIID) technique.
用等离子体浸没离子注入与沉积（PIIID）复合强化新技术在AISI52100轴承钢基体表面成功合成了硬而耐磨的氮化钛薄膜。
The result shows that the compound material bearing surpass the 20 high tin sliding bearing in endurance to pressure, adaption to variable temperatures and life for use and so on.
结果表明，复合材料轴承在承压能力、温度变化、使用寿命等方面，都大大优于20高锡滑动轴承。
The analysis method for lead in tin-base bearing alloy is studied. It is showed from the test that it has high accuracy and wide measure range.
研究了锡基轴承合金中铅的分析方法，试验结果表明该方法准确度高，并且测定铅含量的范围大。
This method has been employed with good results for determining copper in tin-based bearing alloy, Babbitt alloy and crude copper containing tin and antimony.
本法已应用于锡基轴承合金、巴氏合金及含有锡或锑的粗铜中铜的测定，效果良好。
Tin content and petrochemical feature suggest that the granites and part of vein rocks are tin-bearing.
含锡量及岩石化学特征参数表明：矿田地洼花岗岩为含锡花岗岩，部份脉岩为含锡岩脉。
Tin content and petrochemical feature suggest that the granites and part of vein rocks are tin-bearing.
含锡量及岩石化学特征参数表明：矿田地洼花岗岩为含锡花岗岩，部份脉岩为含锡岩脉。
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