Based on the instantaneous high-pressure(IHP) produced by high-pressure single pole-cylinder pump, the effects of combining this pressure with medium temperatur
The sheep populations were studied with Q-type Hierarchical Clustering Method, and characters of the populations were used to construct the principal component,
The F2 design was used in construction of the pig resource population, and 14 economic impor-tant traits of 119 F2 offspring were measured. The polymorphisms of