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130mm+2mm 165mm+2mm 190mm 190mm+2mm
a>1 a≥1 a<
516~8524~5 516~8525~6 190~11224~5 190~11225~6
平衡状态A.与C.相比,平衡状态A.的c(CO)小 在T2时,若反应处于状态D.,则一定有V.正<V.逆 反应CO(g)+H2O(g)CO2(g)+H2(g) 的ΔH.>0 若T1、T2时的平衡常数分别为K1、K2,则K1<K2
AXX和XY BXX和YY CXXX和XXY DXXY和XYY
风湿性心脏病 感染性心内膜炎 老年退行改变 主动脉瓣狭窄 冠心
130mm+2mm 165mm+2mm 190mm 190mm+2mm
) ( )99! ( )9900 ( )21
(2,+∞) [2,+∞) (3,+∞) [3,+∞)
Because AXA wants to warn new drivers. Because experienced drivers seldom apply for premiums. Because expert drivers have been an attractive group for insurers. Because new drivers doesn’t need the reward.
u2与u1同相 u2与u1反相 u2超前u190° u2滞后u190°
B.C.,A.与天花板之间、 与 之间均用轻弹簧相连,A.与B.之间用细绳相连,当系统静止后,突然剪断AB间的细绳,则此瞬间A.B.C.的加速度分别为(取向下为正):A.g、2g、0B.2g、2g、0 C.2g、2g、g 2g、g、g