Based on the concepts of species and speciation,the speciation of Black-necked Grane(Grus nigricollis) was discussed using bio-geographic principles and some ev
The molecular mechanism in the damage of erythrocyte membrane of the cows with hemoglobinuria was studied with the field cases and the group comparison.The fiel
The fresh leaves and oven-dried leaves from three varieties of black currant (Brodtrop,liangye,Risager)were analysed for the total contents of flavonoids by spe
The paper builds up the forecasting model of air temperature according to the data (1994~1998) of Fu Jin area.At the same time,the writer inquires into the relat