膜分离过程中,有哪些原因会造成膜污染,如何处理?
下列哪些作用与枳实抗休克的机制有关() ["兴奋α受体","阻断α受体","兴奋β受体","阻断β受体","兴奋M受体"]
男婴,其母G1P1,足月顺产,出生体重3.5kg,生后10小时出现黄疸,并有加重趋势,总胆红素342mmol/L(20mg/dl),最可能的诊断是() ["生理性黄疸","新生儿肝炎","母乳性黄疸","ABO溶血病","Rh溶血病"]
除了藏羚羊外,可可西里还能见到的濒危动物有() ["野牛","雪豹","紫貂","黑麂"]
理气药的解痉作用机制是() ["兴奋α受体","阻断M受体","兴奋M受体","直接松弛肠平滑肌","阻断α受体"]
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