Cohabitation in Two Different Times;

OBJECTIVE To compare the quality of different populations of Pinellia ternata (Thunb.

A ccording to appearance of the problem of habitation Polarization in Changchun, the paper analysed and inquired into the appearance、present situation、measures of Homogeneity of habitation for promoting social stratum fusion, so as to create favorable habitation conditions through making joint efforts in physical planning、economy、politics、culture、custom、laws and so on.

Method Propagation fashion of short term cohabitation hybridization was adopted for making large scale production of hamsters Result The short-term cohabitation hybridization had characteristics of high rates in survive, pregnancy, production per hamster and utilization as comp.

To study the effect of primiparous/multiparous and cohabiting hours(12 h, 24 h, 48 h) on caesarean birth success rate,283 2-month-old female NIH mice, were divided into six groups after calculating the gestational period in female mice,the results showed that the caesarean birth NIH mice with 24 h cohabiting time had higher survival rate in the operation on the 20th day.

Lack of contact transmission of recombinant fowlpox virus vaccine between the vaccinated and non-vaccinated chickens;