ultrason

Application of ultrason ic measuring system in Detecting System of Movement Robot

超声波测距在行走机器人感知系统中的应用

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Treatment of biliary stricture by percutaneous transhepatic insertion of metallic stent under the ultrason

超声引导胆道内支架植入术治疗胆道狭窄

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The result showed that the biofilm amount removed by ultrason-ic-plate method was higher than that removed by plate-swabbing method.

结果表明：超声波平板法对生物被膜的活菌计数优于棉花擦拭法；

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Treatment of biliary stricture by percutaneous transhepatic insertion of metallic stent under the ultrason

超声引导胆道内支架植入术治疗胆道狭窄

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These methods are not only suitable for examination of the concrete whose strength value is 20~ 120MPa, but one of them, i. e. acoustic velocity& water content combination method, also increase the precision of ultrason-ic pulse testing to a new stage.

此方法不仅适用于砼强度值为20～120MPa的工程检测，而声速&含水率综合法测强技术又使超声脉冲测试精度提高到一个新台阶。

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