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【简答题】
抗阻训练、力量训练、无氧训练的区别
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【简答题】A glass electrode-SCE pair is calibrated at 25℃ with a pH 4.01 standard buffer, the measured voltage being 0.814V. What voltage would be measured in a 1.00×10 -3 mol/Lacetic acid solution?Assume =[H +...
【单选题】在下列公理、定律中,只适用于刚体的是:
A.
力的平行四边形法则
B.
力的投影定理
C.
力的可传性
D.
作用力和反作用定律
【判断题】货物出运后交易方一定要及时购买保险。
A.
正确
B.
错误
【单选题】They were ____ by grief when their baby died.
A.
overwhelmed
B.
attacked
C.
embarrassed
D.
misled
【简答题】The modern pH electrode is an example of a ( ) because both the indicator electrode and reference electrode are included with the same device.
【单选题】The potential difference on the pH glass electrode is generated from the difference of ( ).
A.
the features of the inner and outer glass membrane
B.
the concentrations of H + in the inner and outer solution
C.
the activities of H + in the inner and outer solution
D.
the types of the inner and outer reference electrode
【单选题】温度为 T 的理想气体,当压强保持不变时,分子的平均自由程与
A.
T 成正比
B.
T 成反比
C.
T 的平方根成正比
D.
T 的平方根成反比
【单选题】The actual design of the membrane electrode referred to the pH electrodes cell, in the following convenient writing form is missing. (-) | test solution H + (X=?) | SCE (+)
A.
potential redox
B.
cathode
C.
glass membrane electrode
D.
reference electrode
【单选题】温度为T的理想气体,当压强保持不变时,分子的平均自由程与
A.
T成正比
B.
T成反比
C.
成正比
D.
成反比
【单选题】The protein molecule (PI=8.5) will mobile to the positive electrode when the PH of electrophoresis buffer is
A.
PH=5.0
B.
PH=7.5
C.
PH=8.0
D.
PH= 10.0
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