1. Noneffective tillering period, which contributed more than 50% root growth quantity to the accumulated root growth at heading, was the main period influencing root growth accumulation.

2. It makes possible to regulate the heat load by users themselves with the applications of bypass and dual- radiators in the new designed heat supply system and avoid the noneffective heating.

3. Newspaperman was the last person to tell the advertisement is noneffective.

4. Objective To evaluate the arteriographic findings and procedures in renal artery embolization of traumatic renal hemorrhage under the conservative treatment to be noneffective condition.

5. So the regeneration of high loading rate sludge was noneffective.