Effect of Early Feeding and Exogenous Putrescine on Growth Performance and Development of Jejunum of Ducks;

Conclusion:Early-stage feeding could significantly improve the hemorrhagic symptom of coma patients with cerebral hemorrhage complicated by gastrointestinal hemorrhage.

Conclusion Early-stage feeding could enhance recovery after operation.

Analysis and calculation of temperature influence on the early stage crack of concrete wall;

The early stage crack and drying shrinkage crack of self-compaction concrete and pump concrete with water binder ratio is 0.

Analysis on prevention of early cracks in cement concrete pavement;

Owing to the early cracks in the premixed concrete,the paper analyzes its cause in terms ofproduction and construction and puts forward the countermeasures to be taken in the control pf production process.