Objective To assess normal liver contrast color enhancement using harmonic power imaging (HPI), comparative studies between HPI and color Doppler flow imaging (CDFI) were performed.
目的评价谐波能量显像（HPI）在正常肝脏声学造影中的造影增强效果，并与彩色多普勒血流显像（CDFI）进行对比。
The normal glow discharge between the main electrodes and the rapid flow of the unpolluted gas mixtures are necessary conditions for the output of high average power for TEA CO2 laser.
主电极间正常的辉光放电以及使混合气快速流动且不被污染是重复频率TEA CO_2激光器实现高平均功率输出的重要条件。
The results show that the values of the flow rate, head, shaft power and efficiency trim exponents differ from existing trim exponents for normal centrifugal water pumps.
研究表明，流量、扬程、轴功率和效率切割指数具体数值都与普通清水离心泵不同。
The situation of working condition: the pressure drop up to 160-350 kg, and power plant systems are under the greatest pressure valves, flow rate is generally 30% of normal flow.
工况情况：压降达160- 350公斤，是电站系统中承受压差最大的阀门，流量一般为正常流量的30%。
The situation of working condition: the pressure drop up to 160-350 kg, and power plant systems are under the greatest pressure valves, flow rate is generally 30% of normal flow.
工况情况：压降达160- 350公斤，是电站系统中承受压差最大的阀门，流量一般为正常流量的30%。
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