The content of nitrogen-free extracts in the feed can be directly determined.
举一反三
- The content of nitrogen-free extracts in the feed can be directly determined. A: 正确 B: 错误
- Soft extracts can only be used internally.
- The remainder of the （ ）(mostly nitrogen) can then be vented safely to the atmosphere.
- If there is nitrogen oxide in the smoke produced by the ship, it will lead to the generation of photochemical smoke, acid rain, etc. Which of the following measures can not reduce the nitrogen oxide content in the smoke?_____ A: Add water to fuel B: Recycle part of exhaust gas C: Using SCR D: Burning heavy oil
- The feed proximate analysis method can measure the（ ）content in the feed. A: Calcium B: Phosphorus C: Crude protein D: Crude fat E: Neutral detergent fiber