方法对37例经病理和临床证实的脾脏占位性病变进行二维及彩色多普勒超声分析。
Methods Totally 37 patients with pathologically or clinically proven SSOL were analyzed by 2-d and color Doppler ultrasound.
研究人员从17个城市收集到230张纸币样本，并使用水和超声波提取方法，再加上气相色谱分析-质谱法对样本进行测试。
The researchers used water and an ultrasonic extraction process, followed by gas chromatography-mass spectrometry to quantify the amount of cocaine in more than 230 bills collected in 17 cities.
目的分析研究超声对甲状腺良、恶性结节的鉴别诊断价值。
Objective Analysis of ultrasound of thyroid benign and malignant nodules in the differential diagnosis.
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