In setting the valves on a steam-smothering system on a tank vessel,the master control valve to cargo tanks should be().
A. open and individual tank valves open
B. open and the individual tank valves closed
C. closed and the individual tank valves closed
D. closed and the individual tank valves ope
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和热电偶相配的动圈表的冷端补偿器的等效电阻为()Ω。
患者,男,54岁,渐进性水肿半年,无糖尿病病史,查体:BP130/80mmHg,双下肢中度凹陷性水肿,余无阳性体征,尿RBC1~3/HP,尿蛋白6.5g/d,血AIb17g/L,血Cr78μmol/L,C3正常,ANA(-),乙肝病毒标志物(-),肿瘤标志物均正常。 其肾脏光镜下特征性病理表现是()
A. 肾小球基底膜弥漫性增厚.
B. 系膜细胞和基质弥漫性增生
C. 肾小球基本正常
D. 肾小球病变呈局灶性、节段性分布
E. 系膜细胞和基质弥漫重度增生,广泛插入到基底膜和内皮细胞之间
“巴洛克”原为建筑艺术的术语。
A. 正确
B. 错误