细菌 L 型败血症的诊断方法,目前国内外均采用患者血进行 L 型培养同,需时7～14天。1985年我们采取患者末梢血涂片,直接用光学显微镜在红细胞上查菌,并用血培养进行对照,经临床211例对照结果证实快速诊断准确度为95.7%,可在两小时内报...细菌 L 型败血症的诊断方法,目前国内外均采用患者血进行 L 型培养同,需时7～14天。1985年我们采取患者末梢血涂片,直接用光学显微镜在红细胞上查菌,并用血培养进行对照,经临床211例对照结果证实快速诊断准确度为95.7%,可在两小时内报告结果。为了提高分辨率和准确性,改进了革兰氏染色法,建立了快速诊断的检验程序。1988年6月至1991年10月为486例患者及时明确诊断,使败血症治疗的有效率由80%提高到97.5%。为了进一步提高快速诊断的特异性,我们应用酶联免疫 PAP 法快速诊断金黄色葡萄球菌 L 型败血症,用葡萄球菌兔免疫血清,与患者进行酶联免疫反应,同时作光镜观察及细菌培养共30例,结果光镜、酶免及细菌培养均为26例阳性,三者符合率100%。展开更多
This paper puts forward a new fault diagnosis model based on Petri net.In this new fault diagnosis method,an associated tree is f irst defi ned to describe the logic according to the protections and circuit breakers.A...This paper puts forward a new fault diagnosis model based on Petri net.In this new fault diagnosis method,an associated tree is f irst defi ned to describe the logic according to the protections and circuit breakers.After that a Petri net diagnosis model comes into being and the precise diagnosis of power grid elements can be realized at the same time.The simulation results given in this paper illustrate that this fault diagnosis method can make a rapid diagnosis in complex fault situation and give accurate results to power grid fault diagnosis.展开更多
文摘细菌 L 型败血症的诊断方法,目前国内外均采用患者血进行 L 型培养同,需时7～14天。1985年我们采取患者末梢血涂片,直接用光学显微镜在红细胞上查菌,并用血培养进行对照,经临床211例对照结果证实快速诊断准确度为95.7%,可在两小时内报告结果。为了提高分辨率和准确性,改进了革兰氏染色法,建立了快速诊断的检验程序。1988年6月至1991年10月为486例患者及时明确诊断,使败血症治疗的有效率由80%提高到97.5%。为了进一步提高快速诊断的特异性,我们应用酶联免疫 PAP 法快速诊断金黄色葡萄球菌 L 型败血症,用葡萄球菌兔免疫血清,与患者进行酶联免疫反应,同时作光镜观察及细菌培养共30例,结果光镜、酶免及细菌培养均为26例阳性,三者符合率100%。
文摘This paper puts forward a new fault diagnosis model based on Petri net.In this new fault diagnosis method,an associated tree is f irst defi ned to describe the logic according to the protections and circuit breakers.After that a Petri net diagnosis model comes into being and the precise diagnosis of power grid elements can be realized at the same time.The simulation results given in this paper illustrate that this fault diagnosis method can make a rapid diagnosis in complex fault situation and give accurate results to power grid fault diagnosis.
