单词：shift reaction
shift reaction的用法和样例：
例句
- Experimental results show that the reaction acts up on transannular-surroundings electron transfer reaction mechanisms.实验表明，此反应遵循外环外界电子转移反应机理。
- The hydrogen transfer reactions were exothermic, so a reduced reaction temperature was in favor of the catalytic cracking desulfurization of thiophene.由于氢转移反应为放热反应，因而降低反应温度有利于噻吩催化裂化脱硫。
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