【简答题】Definition of Ion exchange chromatography
【简答题】Calculate the silver ion concentration in a solution prepared by shaking solid Ag 2 S with saturated H 2 S (0.10mol·dm -3 ) in 0.15mol·dm -3 H 3 O + until equilibrium is established.
【简答题】98×46+2×46=(98+2)×46,这是运用了______律.
【简答题】个人所得税法中,工资、薪金所得,适用( )税率,税率为( )。
【单选题】递延所得税资产和递延所得税负债的适用税率应为 (. )
【单选题】In considering diffusion of ions through an ion channel, which driving force(s) must be considered?
A.
the ion concentration gradient
B.
the electrical gradient
【单选题】能力的发展存在个体差异,下列不属于能力发展差异的是( )。
【多选题】下列企业中,适用15%企业所得税税率的有( )。