On these grounds , the writer probed into heat pump performance of the oilfield procreative circumstances.

据此，探讨了在油田生产工况下的热泵性能。

The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.

型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；

Emphasizes the conception, classification, the effect of procreative enginery of human and animals, and discusses the mechanism of environmental hormone.

结合环境激素的概念、分类，以及对人类和动物生殖机能的影响，着重探讨了环境激素作用的机理。

During procreative phase, higher temperature in greenhouse accelerated lignifications. Feeding quality in early and late maturity lines in greenhouse was lower than in field.

生育后期(生殖生长期)温室高温加速了木质化，温室条件早、晚熟品系饲用品质分别低于大田条件早、晚熟品系。

Through different medium formula, different hormone and concentration experiments, the best condition for the great consistency of vegetative and procreative growth was found.

首先，通过不同基质配比、生根粉种类和浓度等生产试验，找出使植株营养生长和生殖生长一致性表现最好的生产条件。