【单选题】血红蛋白与高铁氰化钾作用变为高铁血红蛋白,它们的反应式是:
【单选题】下列关于液体制剂的错误表述为
C.
溶液型液体制剂的药物吸收速度大于混悬型液体制剂
【单选题】水性液体制剂下列说法错误的是
C.
非均相液体制剂中药物分散度大,易产生物理稳定性问题
【单选题】根据下列反应:(1)2Fe 3 + +2I - =2Fe 2 + +I 2 (2)Br 2 +2Fe 2 + =2Br - +2Fe 3 + 判断离子的还原性由强到弱的顺序是( )
【单选题】浮顶罐浮顶外缘环板与罐壁之间有()的间缝(大型浮顶罐可达500mm),其间装有固定在浮顶上的密封装置。
【单选题】Why did her mom and dad cancel the New Year dinner and forbid her from going out?
A.
Because it was too cold during the New Year.
B.
Because 2019-Novel-Coronavirus was spreading around.
C.
Because her mom and dad was too busy to accompany her.
D.
Because her family was broke.
【单选题】资产负债表中“货币资金”项目是由( )构成。
【单选题】浮顶罐浮顶外缘环板与罐壁之间有( )的间缝(大型浮顶罐可500mm),其间装有固定在浮顶上的密封装置。
【单选题】下列反应 : 2Fe 3+ +2I - →2Fe 2+ +I 2 , Br 2 +2I - →2Br - +I 2 , 而 Fe 3+ 与 Br - 不反应, 判断三个电对电极电势相对大小顺序是 ( )
A.
φ A θ ( Fe 3+ / Fe 2+ ) > φ A θ (Br 2 /Br - ) > φ A θ (I 2 / I - )
B.
φ A θ ( Fe 3+ / Fe 2+ ) < φ A θ (Br 2 /Br - ) < φ A θ (I 2 / I - )
C.
φ A θ (Br 2 /Br - ) > φ A θ ( Fe 3+ / Fe 2+ ) > φ A θ (I 2 / I - )
D.
φ A θ (Br 2 /Br - ) > φ A θ (I 2 / I - ) > φ A θ ( Fe 3+ / Fe 2+ )
【单选题】下列对液体制剂说法不正确的是
B.
溶液型液体制剂的药物吸收速度大于混悬型液体制剂