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1)  the contact filter paper method
接触历时
2)  contact time
接触时间
1.
A novel mems shock switch with movable contact point to prolong contact time
通过可动触点延长接触时间的新型微冲击开关
2.
The effect of contact time on the interfacial tension of alkali/surfactants/crude oil system was studied.
研究了接触时间对NaCl/碱/重烷基苯磺酸盐/大庆原油体系界面张力的影响。
3.
The determinate principle for platinum net contact time of ammonia oxidation was discussed in production of nitric acid,the ammonia combustion strength through platinum net,gas flow of ammonia/air mix gases,gas velocity of ammonia/air mix gases through platinum net and the four kinds of methods calculating contact time by ammonia oxidation rate were presented.
论述了硝酸生产中氨氧化铂网接触时间的确定原则,提出了通过铂网燃氨强度、氨空混合气的气量、氨空混合气穿过铂网的气速和氨氧化率计算铂网接触时间的4种方法。
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3)  contact time difference
接触时差
4)  MC [英][,em 'si:]  [美]['ɛm 'si]
瞬时接触
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5)  contact time difference
[触点]接触时差
6)  pre-contact time
预接触时间
1.
The influence of pre-contact time on the interfacial tension of alkali/surfactants/crude oil system is studied.
研究了预接触时间对NaCl/碱/重烷基苯磺酸盐/大庆原油体系界面张力的影响。
补充资料：历时
（事情）经过时日：这一战役，～六十五天。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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