... 翻转法抢装井口||turning-up-installing wellhead 钒钝化剂||vanadium passivator 钒-镍比||"vanadium to nickel ratio, V/Ni" ...
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Metal passivator can inhibit nickel and vanadium pollution on the catalytic cracking catalysts and improve the property of polluted catalysts.
金属钝化剂可以抑制镍和钒等金属对催化裂化催化剂的污染，使被污染催化剂的性质得到改善。
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