In connection with the experience of applying UV daytime camera in the detection of corona occurring on the electrical equipment and flashover due to the development of the corona,pre-failure diagnosis of substation electrical equipment under icing condition and preventive techniques were raised in order to prevent flashover from happening.

Preventive effect of prenatal diagnosis to birth defects in 9339 cases of living birth infants;

Deletion analysis and prenatal diagnosis of 32 patients with Duchenne muscular dytrophy;

The ethical problem in the prenatal diagnosis;

Objective To evaluate the clinical value of magnetic resonance(MR) 2D imaging with 3D reconstruction techniques for preoperative diagnosis and TNM-staging of gastric cancers.

Objective To investigate the clinical characters, preoperative diagnosis and some debateful problems in treating with halir cholangiocarrcinoma.

【Objective】To discuss the preoperative diagnosis,the location and scope of liver resection,the application and effect of joint operations in hepatolithiasis patients.

Serological screening and antenatal diagnosis of patients with Down s syndrome in early pregnancy;

Analysis of down s syndrome screening and antenatal diagnosis of 3195 cases in the middle period of pregnancy;

Antenatal diagnosis is a systemic project concerning many aspects.