| 单词 |
houdry hydrocracking |
| 释义 |
Houdry hydrocracking Houdry hydrocracking[′hü·drē ¦hī·drō¦krak·iŋ] (chemical engineering) A catalytic process combining cracking and desulfurization of crude petroleum oil in the presence of hydrogen; catalysts may be nickel oxide or nickel sulfide on silica alumina, and cobalt molybdate on alumina. |
| 随便看 |
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