当含铬量达到()时,不锈钢的电位跃增,从而有效提高其抗电化腐蚀性能。
A. 21%
B. 5%
C. 40%
D. 12%
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女,27岁。发现心悸、盗汗易怒1年,伴有饮食量增加、消瘦。查体:BP110/80mmHg,重度突眼,甲状腺弥漫性肿大,深入胸骨后上纵隔内,心率116次/分。测血T3、T4值高于参考值上限1倍。 该患者行双侧甲状腺次全切除术。术后第2天发生四肢抽搐。有效的处理方法应是()
A. 口服钙剂
B. 10%葡萄糖酸钙静脉点滴
C. 口服镇静剂
D. 口服碘剂
E. 气管切开防窒息
You have a computer that runs Windows XP Professional. Multiple users share the computer. Users work in either French or English. You need to ensure that users can change the language in which the system menus appear. What should you do first?()
A. From the Display Properties, modify the Desktop settings.
B. From Internet Explorer, modify the Language Preferences.
C. From the Multilingual User Interface (MUI) pack installation CD, run muisetup.exe.
D. From Regional and Language Options, modify the Location settings and the Input Languages settings.&e