去年纽约州的锡拉丘兹市和康涅狄格州首府哈特福德市做了一项试验，让警察连续两周发出大量的法庭传票，使得两地边开车边使用手机的行为大幅减少。
Syracuse, New York, and Hartford, Connecticut, last year tried an experiment in which cops issued dramatically more citations for two weeks and mobile-phone use fell sharply in both places.
做此试验必须在通风良好处，并戴手套，面具以防水蒸气及锡焊剂烫伤。
Do this test must be in a well-ventilated place, and to wear gloves, masks in case of water vapor and tin flux burns.
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。
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.
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