All chromatographic methods have in common the use of a stationary phase and a mobile phase.
举一反三
- All chromatographic methods have in common the use of a ______ phase and a______ phase.
- 中英文互译：chiral stationary phase
- 中英文互译：chiral mobile phase
- As an important phase in software development, software design is the continuation of software requirement analysis phase. Ⅰ．software structure Ⅱ．software procedure Ⅲ．software module Ⅳ．software document which of the following should be included in software design phase A: Ⅰand Ⅱ B: Ⅱand Ⅲ C: Ⅰ,Ⅱ and Ⅲ D: All
- Consider the following: 1. Disease control phase 2. Health promotion phase 3. Social engineering phase 4. Health for all phase. What is the correct sequence? () A: 1, 2, 3, 4 B: 4, 3, 2, 1 C: 2, 1, 3, 4 D: 3, 2, 1, 4