... 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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二相制 biphase system; quarter phase system; tw-phase system; two-phase sysem; two-ph ..
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二进制相移键控 BPSK ; binary phase-shift keying ; [计] binary phase shift keying
二进制移相键控 BPSK
差分二进制相移键控 DBPSK ; differential binary phase shift keying
二进制相位变换调制 binary phase-shift keying
二进制相移键控调制 BPSK
二元双相位调制 binary biphase modulation
二相三线制 two phase three-wire system
随机二进制相位编码 RBPC
二进制双相调制 Binary Biphase Modulation
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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