1) oil and wax pull-up
油蜡变色
1.
It was introduced in detail that the advantages and requests of non-coat cattle oil and wax pull-up upper leather.
介绍了无涂饰黄牛油蜡变色鞋面革的优点和要求、制作工艺及技术要点,包括从蓝湿革挑选开始,到轻退铬鞣,合成鞣剂、植物栲胶复鞣填充,染色、加脂、表面套色固定等工序。
3) change color printing ink
变色油墨
4) oil color darken
油色变黑
5) off-colour gasoline
变色汽油
6) vacuum gas oil
蜡油
1.
Based on the Daqing vacuum gas oil’s reaction on an acid Y zeolite catalyst, hydride transfer and hydrogen transfer were distinguished as two different reaction stages during the catalytic cracking.
确定了大庆减压蜡油在酸性Y分子筛催化剂上反应时,负氢离子转移反应主要发生在反应前期(转化率为5%~10%)至反应中后期(转化率为60%~70%)的转化深度区间,而氢转移反应主要发生在反应后期(转化率>60%~70%)。
2.
The article introduces the automatic potentiometric titration for determination of basic nitrogen content in vacuum gas oil.
采用了自动电位滴定法测定蜡油中碱性氮含量。
补充资料：油蜡
1.即蜡烛。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条