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【简答题】
Ask at which value of pH, a 0.010 M Mn 2+ solution starts to precipitate in the form of Mn(OH) 2 , and at which value of pH, this Mn 2+ solution would precipitate completely ([Mn 2+ ] < 1.0 × 10 -5 M ) Ksp [Mn(OH) 2 ]=2.6 × 10 -13
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【简答题】营养性巨幼红细胞性贫血
【单选题】You can improve your appetite for breakfast by
A.
not eating too much for dinner in the evening
B.
drinking a glass of milk before going to bed.
C.
eating a big dinner in the evening.
D.
having some juice and a toast for dinner.
【简答题】治疗营养性巨幼红细胞性贫血选用
【单选题】满足( )时,二项分布B(n,π)近似正态分布。
A.
nπ和n (l-π)均大于等于5
B.
nπ或n(1-π)大于等于5
C.
nπ足够大
D.
n>50
E.
π足够大
【简答题】营养性巨幼红细胞性贫血选用
【简答题】营养性巨幼红细胞性贫血有
【单选题】满足( )时,二项分布B(n,π)近似Poisson分布。
A.
n很大且π接近0
B.
n→∞
C.
nπ或n(1-π)大于等于5
D.
n很大且π接近0.5
E.
π接近0.5
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