粗集料粒径与喷射混凝土设备的输料管道直径有关,初期支护中,粗集料最大粒径不宜大于( )。
A.5mm
B.10mm
C.15mm
D.20mm
参考答案:C
患者,男,54岁,压榨性中心性胸痛发作后3小时就诊。查体:面色苍白,发汗。血压110/90mmHg,脉搏78次/分,心音正常。心电图示ST段抬高。实验室检查:钾3.2mmol/L,钠138mmol/L,尿素9.2mmol/L,CK90U/L。
如患者左胸痛发作是在8小时就诊,进行生化检查时应首选检查下列哪项指标()。
A.CK-MB
B.LD1
C.Mb
D.cTn
E.CK
The approach we propose is a system-oriented methodology for knowledge acquisition, this orientation emphasizes ongoing documentation throughout each cycle and technique applied. Program-wide documentation is suggested, both for the purpose of internal (91) and for later verification and (92) efforts. The documentation system we propose includes a central "knowledge acquisition (93) " which is (94) to reflect knowledge acquisition plans, session nodes, and domain expert participation. Specifically, (95) within the database system include knowledge acquisition forms, which document plans for, and notes from, knowledge acquisition session, domain expert file, and rule content forms.
A.templates
B.samples
C.examples
D.temper