Immune response of grass carp ( ctenopharyngodon idellus C. et v.) to antigens of Aeromonas punctata vaccine 草鱼对点状气单胞菌菌苗的免疫反应
The results showed that: ① Average contents of six elements in polished rice were Ca> Mn> Zn> Fe> Cu> Se. The C. V.% of six element contents were Fe> Ca> Cu> Se> Zn> Mn. 结果表明,①精米中6种元素的平均含量依高低排序为Ca>Mn>Zn>Fe>Cu>Se,各元素含量的变异系数高低排序为Fe>Ca>Cu>Se>Zn>Mn。
C. V. Woodward and the study of the History of the South of the United States 科默·V·伍德沃德与美国南部史学
With counting the C. V. of main agronomic traits, the fertile mutants in T1-T2 were stable. 经主要农艺性状的变异系数分析,可育突变体在T1~T2代性状就相对稳定。
The precision ( c. v.) 精密度(C.V.)
The precision ( c. v.) The measuring precision came up to the standard required. 精密度(C.V.)其测量精度已达到应用要求。
The precision ( c. v.) the time precision of the instrument is in the level of microsecond. 精密度(C.V.)仪器的时钟精度精准到微秒。
Effects of ozone on activity of proteinase and amylase in intestine tissues in crass carp ( ctenopharyngodon idellus C.& v.) fingerling 臭氧对草鱼鱼种肠道蛋白酶和淀粉酶活性的影响