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- RH／RNa／ROH型混床RH/RNa/ROH multi-bed
- Ra是韓國總統盧武玄的高級安全顧問(wèn)。布什和Roh將與下月在華盛頓舉行會(huì )談。Ra is President Roh Moo-hyun's top security adviser. Bush and Roh are to meet next month in Washington for talks.
- 氧缺位的WOx 和W6+ 共同組成催化劑表面L酸活性中心 ,而載體 (如H -ZSM -5)弱的B酸位是醇 (ROH)的活性中心 .The active centers of ethoxylation are composed of WO x and W 6+ ; the active centers of activated alcohol are the weak Bronsted acid sites of carrier ( e.g., HZSM-5 ).
