Which of the following methods is commonly used for total carbohydrates determination？
A: Phenol-sulfuric acid method
B: DNS method
C: Muson Walker method
D: Somogyi- Nelson method
A: Phenol-sulfuric acid method
B: DNS method
C: Muson Walker method
D: Somogyi- Nelson method
举一反三
- 2. Which of the following methods is not commonly used to separate interfering components? ( ) A: Precipitation separation method B: Titration analysis C: Ion exchange method D: Chromatographic separation
- Which of the following describes the two typical methods for material anthropogenic flow analysis A: The dynamic method tracing material flow process and the STAF method focusing on the specific area B: The mass conservation method and the statistical analysis method C: Material flow analysis method and life cycle analysis method D: Bottom-up method and top-down method
- Which of the following is false? ( ) A: A static method must be used to access private static instance variables. B: A static method can be accessed even when no objects of its class have been instantiated. C: A static method has no this reference. D: A static method can call instance methods directly.
- The<br/>following factors which do not affect the selection of statistical<br/>forecasting methods are__________. A: method suitability B: method cost C: prediction result accuracy D: method popularity
- Which method for establishing the total marketing communications budget sets communication budgets to achieve the same amount of share-of-voice as competitors? A: comparative-parity method B: objective-and-task method C: affordable method D: competitive-parity method E: percentage-of-sales method