Results 81 to 90 of about 18,793 (138)
Zhongguo shiyan zhenduanxue, 2015 目的探讨超声造影联合超声弹性成像在甲状腺微小癌诊断中的应用价值。方法分析34例甲状腺结节患者的常规超声,超声造影和弹性成像的图像信息并与病理组织学检查相对比,评估使用上述一种方法及联合使用超声造影及弹性成像诊断的效果。结果 34个甲状腺结节中,病理活检证实恶性病灶18个,良性病灶16个。弹性成像中恶性结节与良性结节的SR,两者差异有统计学意义 ...
刘晓红 +4 more
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Gaoya dianqi, 2017 GIL中金属微粒与电极碰撞时会产生超声信号,研究超声特性对微粒运动的在线监测具有重要意义。搭建了直流电压下平行板电极中球形金属微粒运动的实验平台,实验得到了不同电压、直径下铝微粒与低压极板碰撞时的超声信号,并通过编制计算机程序提取了超声信号的幅值,超声信号幅值结果表明:同等条件下,随着电压、微粒直径的增大超声信号幅值增大。基于Ansys/LS-DYNA建立了铝微粒与电极碰撞的力学模型,仿真获得了微粒与电极碰撞过程中接触力变化,仿真结果表明:碰撞过程中接触力呈先增大后减小趋势,存在最大值。最后 ...
律方成 +6 more
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[Impact of ultrasonic scaling on abutment screw torque in implant restorations]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanTang Y, Zhao X, Yang X, Jia H, Liu Y.
europepmc +1 more source
[Research progress on the application of ultrasound technology in the diagnosis and treatment of lymphedema]. [PDF]
Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za ZhiTang ZY, Liu R, Deng CL.
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Recent Developments and Perspectives of Endobronchial Ultrasound in Thoracic Tumor [PDF]
, 2010 Lina BU, Shuanying YANG
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To Promote the Clinical Application of Endobronchial Ultrasound-guided Transbronchial Needle Aspiration in China [PDF]
, 2010 Diansheng ZHONG, Qinghua ZHOU
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[A multi-feature fusion-based model for fetal orientation classification from intrapartum ultrasound videos]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoZheng Z +7 more
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Zhongshan Daxue xuebao. Yixue kexue ban, 2008 【目的】 比较超声造影（ -enhanced ultrasound, CEUS）及普通超声（ultrasound, US）在不同分期宫颈癌诊断中的价值，探讨超声造影在宫颈癌诊断和分期中的优越性。【方法】对临床拟为宫颈癌患者采用普通超声（US）和实时超声造影检查，对48例经病理确诊患者的临床和超声造影资料进行分析，比较两者对不同分期的宫颈癌的诊断价值。【结果】48例患者中，普通超声诊断26例，符合率为54.12%，CEUS诊断40例，符合率为83.33%，两者的差异有显著性 ...
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[Advances of low-intensity pulsed ultrasound for treatment of musculoskeletal disorders in the past decade]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoFu L +7 more
europepmc +1 more source