【单选题】以下患者中,最有可能发生MODS的是
A.
8岁患者,系统性红斑狼疮,因车祸造成桡骨骨折入院
【判断题】杜甫《春日忆李白》“白也诗无敌,飘然思不群。清新庾开府,俊逸鲍参军。渭北春天树,江东日暮云。何时一尊酒,重与细论文”诗中,“庾开府”是指 南北朝北周文学家庾信;“鲍参军”是指南朝宋杰出的文学家、诗人鲍照。
【单选题】The input power to a device is 5000 W at 400 V. The output power of the device is 750 W, and the output impedance is 25 Ω. Calculate the power gain in decibels.
【单选题】Calculate the output impedance for this FET amplifier. Assume that gm = 1.85 mS. 【图片】
C.
Z O = R S ∥ r d ∥ = 170.6 Ω
D.
Z O depends on the value of I D
【单选题】检查双转子陀螺罗经的陀螺球高度,其条件是 :
【单选题】To calculate the output impedance the applied signal must be set ( ).
A.
equal to the smallest value of the input signal
B.
equal to the largest value of the input signal
D.
equal to a value that is half way between the largest and the smallest
【简答题】卡托普利又名____,为____酶抑制剂。
【单选题】Calculate the output impedance for this FET amplifier. 【图片】
C.
Z O = R D ∥ r d = 2052 Ω
D.
Z O depends on the drain current I D .
【单选题】Under the condition of grasping the output value of the base period and the individual indices of the outputs of various products, which index should be used to calculate the total output index?
A.
Simple arithmetic average index
B.
Weighted harmonic average index
C.
Weighted aggregative index
D.
Weighted arithmetic average index