K-2501、K-2701空冷风机防冻保护过程?以及防冻保护的优先级别?
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During an attempt to mount filesystems on the datavg volume group, the following error message occurs: "0506-323 Cannot get information about log device loglv00." The error is due to the fact that the jfslog used by these filesystems is located on a bad disk. Which of the following procedures should be performed to fix the error?()
A. Run fsck on all filesystems using loglv00
B. Run the logform command against loglv00
C. Recreate the filesystems and resotre form a backup
D. Create a enw jfslog and change /etc/filesystems to point to this log
患者,女,63岁,冠心病史多年,反复浮肿,尿少10年,血压20/13.3kPa,尿蛋白(++),尿红细胞6~10个/HP,尿白细胞2~3/HP,尿比重1.010~1.012,临床诊断为慢性肾小球肾炎,血BUN31mmol/L,Cr407μmol/L,Ccr40ml/min。提问:该患者功能分期应属于哪项()
A. 肾功能正常期
B. 肾功能不全代偿期
C. 肾功能不全衰竭期
D. 尿毒症期
E. 肾功能不全失代偿期
在倾斜井巷中,升降物料的绞车使用的钢丝绳的直径为21.5mm,当使用带接头的钢丝绳时其接头插接长度为()。
A. 2.15m
B. 4.3m
C. 21.5m
D. 43m
患者女,33岁。腹胀、腹泻与便秘交替半年,常有午后低热,夜间盗汗。体检:腹壁柔韧感,轻压痛,肝脾未触及,腹水征(+)。腹水检验:比重1.018,蛋白25g/L。白细胞0.7×109/L,中性0.30,淋巴0.70,红细胞0.3×109/L。本例最可能诊断是()
A. 结核性腹膜炎
B. 原发性腹膜炎
C. 癌性腹膜炎
D. 巨大卵巢囊肿
E. 肝静脉阻塞综合征