Growth curves of Minghua black minks at 0-180 days old were fitted and analyzed by using two growth models Logistic and Gompertz. The results showed that the growth curves of Minghua black minks could be fitted very w...Growth curves of Minghua black minks at 0-180 days old were fitted and analyzed by using two growth models Logistic and Gompertz. The results showed that the growth curves of Minghua black minks could be fitted very well by Logistic model and Gompertz model （the degree of fitting FF≥0.99）, but Gompertz model was better at fitting and predicting their weight.展开更多
At the beginning of this year.a FT 300three-seat light amphibious aircraftdeveloped by the Pilotless AircraftResearch Institute of the Nanjing Aviationand Aerospace University passed technicalappraisal.Experts conside...At the beginning of this year.a FT 300three-seat light amphibious aircraftdeveloped by the Pilotless AircraftResearch Institute of the Nanjing Aviationand Aerospace University passed technicalappraisal.Experts consider that this kind offully-enclosed and all-composite materialsmade three-seat aircraft fills a domestic gapin this field,and its performance has reachedthe internationally advanced level of theproducts of the same kinds.展开更多
基金Supported by Foundation for Innovation Team of Special Animal Genetic Resources of Chinese Academy of Agricultural Sciences~~
文摘Growth curves of Minghua black minks at 0-180 days old were fitted and analyzed by using two growth models Logistic and Gompertz. The results showed that the growth curves of Minghua black minks could be fitted very well by Logistic model and Gompertz model （the degree of fitting FF≥0.99）, but Gompertz model was better at fitting and predicting their weight.
文摘At the beginning of this year.a FT 300three-seat light amphibious aircraftdeveloped by the Pilotless AircraftResearch Institute of the Nanjing Aviationand Aerospace University passed technicalappraisal.Experts consider that this kind offully-enclosed and all-composite materialsmade three-seat aircraft fills a domestic gapin this field,and its performance has reachedthe internationally advanced level of theproducts of the same kinds.
