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- selective methylation process 选择性甲基化过程
- The pressurized sulfonation and methylation process of utilizing black liquor to prepare additive for CWM is studied by cross test and a new method of performance evaluation for CWM is given. 通过正交实验法,对造纸黑液加压磺甲基化制备水煤浆添加剂进行了研究,提出了一种新的全面评价水煤浆性能的方法。
- Keywords metribuzin;organic synthesis;selective methylation; 嗪草酮;有机合成;选择性甲基化;
- Keywords pterin;N;N-dimethylfermamide dimethylacetal;selective methylation; 蝶呤;N;N-二甲基甲酰胺缩二甲醇;选择性甲基化反应;
- It is a leap in the process of cognition. 这是认识过程的一次飞跃。
- A product of a document copying process. 文件复制过程的一种产品。
- The new process extracts oil from shale. 这一新过程可从页岩里提炼出石油。
- The project is not finished but is till in process. 该项工程尚未结束，仍在进行之中。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- She is selective in the dresses she wears. 她对于自己穿的衣服精挑细选。
- The process of applying and rubbing in an ointment. 涂油使用以及用油膏擦的过程
- The act or process of pushing or thrusting out. 推，掷推出或掷出的行为或过程
- This part of the assembly process is now fully automated. 装配过程的这一部分现在是全自动的。
- She only stays at select hotels. 她只住一流旅馆。
- Unloading the cargo was a slow process. 卸货的过程很缓慢。
- Can student willfully select the course? 学生可以随意选择课程吗？
- The car is in the process of repair. 那车正在修理中。
- Producing a dictionary is a slow process. 编成一本字典是一个缓慢的过程。
- The car is in process of repair. 那车正在修理中。
- Process foods are available in that store. 在那家商店可买到加工过的食品。
