... tv transposer 电视差转机 tw-phase system 二相制 twaddell hydrometer 液体相对密度计 ...
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... quarter phase circuit 两相回路，两相电路 quarter phase system 二相制 quarter squares 开四次方的；四分之一乘方 ...
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... 二相电动机 two-phase motor 二相制 two-phase sysem 二相变压机 two-phase transformer ...
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二相制 biphase system; quarter phase system; tw-phase system; two-phase sysem; two-ph ..
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以甲醇为原料，氧化铝为催化剂，对甲醇气相催化脱水制气雾剂级高纯二甲醚的工艺条件进行了试验研究。
The process conditions for producing high purity DME of aerosol grade by catalytic dehydration of methanol in gas phase were studied and tested by using alumina as a catalyst.
本文介绍了环戊二烯选择加氢制聚合级环戊烯研究中的气相色谱分析方法。
In this paper, the gas chromatographic methods used in the research for selective hydrogenation of cyclopentadiene to produce polymer grade cyclopentene have been described.
以苯酚为原料，复合金属离子为催化剂，研究用气相氧化合成苯醌，用铁粉还原苯醌制对苯二酚的两步法工艺，考察了氧化过程中的工艺条件对反应的影响。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
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