超声波的

The optimum condition of preparing process were obtained: the amount - of - substance ratio of sodium hydroxide and eerie sulfate tetrahydrate was 4.8:1 ,the quantity of PEG was 8 mL in reaction and 7 mL in washing, absolute alcohol was 10 mL in washing, irradiation time was 6 min, constant microwave irradiation pressure was 0.14 MPa, microwave power was 232 W, the ultrasonic wave dispersing time was 10 min and the microwave drying time was 10 min.

通过考察制备过程中的各个影响因素，得到了制备纳米二氧化铈的最佳工艺条件：氢氧化钠与四水硫酸高铈物质的量比为4.8：1；聚乙二醇的反应用量为8mL，洗涤用量为7mL；无水乙醇的洗涤用量为10mL；微波恒压时间为6min；微波压力为0.14MPa；微波功率为232W；超声波分散时间为10min；微波干燥时间为10min。

The results show that: 1 trashracks do not interfere with one another when the trashrack spacing-to-width ratio is not small than 4, 2 turbulent intensity of the wake flow for the trashrack with streamlined profiles is much small.

用该算法对大长宽比的钝体尾流三维超声波流速仪测量数据的分析表明：1钝体间距与宽度之比大於4时，钝体间的相互影响可以忽略不计；2流线型的钝体尾流紊动强度较小。

Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, ChinaAbstract: Desorbing bacterium from suspended particle surfaces by adding some different chemicals, such as Zwittergent3-12,EGTA and tryptone etc., and ultrasonic surging, comparing the difference of HPC value between before and after desorption, and then analyzing the size and number of suspended particles, it can be concluded that the effect of suspended particles in drinking water on HPC determination is significant.

本试验采用添加有助于解吸的化学试剂结合不同超声时间、超声温度下的超声波振荡对吸附在颗粒物上的细菌进行解吸，对比解吸前后HPC测定结果的差异，再对颗粒物数量、粒径进行分析，阐述颗粒物对HPC测定结果的影响。

After adsorbent was saturated by sulfur in adsorption, it can be regenerated with ultrasound, the optimum regeneration conditions are: methanol as regeneration agent, regeneration temperature 60℃ and LHSV of methanol 1.76h-1, methano dosage 100mL, amount of treated adsorbent 10g . Adsorbent was reused for three times, initial desulfurization efficiency is respectively 94.3%、94.3%、91.8%, the adsorbent has a good reappearance.

在超声波存在的条件下，以甲醇为再生剂，在再生温度为60℃、甲醇液态空速为1.76h-1、甲醇用量为100mL的实验条件下对10g动态吸附后饱和了的吸附剂进行再生，吸附剂经过三次再生后初始流出汽油的脱硫率分别达到94.3%、94.3%、91.8%，该吸附剂具有良好的再生性能。

In addition, ultrasonic radiation changes the shape, the size of CaCO3 crystal and the pileup form of the scale, thus preventing the pipeline from begriming.

超声波还能改变生成的CaCO3晶体的形状及大小，改变形成的积垢的堆积形状，从而起到防垢的目的。

The safety and confidence of medical examination and X-ray examination are disputing, but high-resolution ultrasonic wave can transmit articulatio coxae which is not ossification.

临床上常用的体格检查和X线检查的可靠性和安全性仍然存在很大争议，高分辨的超声波可以较好地穿透尚未完全骨化的髋关节，并能够动态观察，为DDH的早期诊断提供依据。

Our introduction of advanced computer control of machinery and equipment, and advanced laser perforation, EDM reaming, ultrasound, high-precision grinding and polishing line, and other processing machinery and equipment and strong technical staff strength.

本厂引进计算机自动控制的先进的机械设备，并拥有先进的激光穿孔、电火花扩孔、超声波、高精度研磨和线抛光等加工机械设备和雄厚的技术人员力量。

We should train animals to help people .In many ways, animals are different from humans . They have many skills man haven't , for example , a dog's hearing and smelling , a bat's yipping , a bird's flying and so on .

我们应该训练动物去帮助人类，动物与人类不同，它们具有许多人类没有的技能，例如，狗的灵敏的听觉和嗅觉，蝙蝠的超声波，鸟飞翔的能力等等。

Hydrogen production of heat treatment sludge, acid treatment sludge, normal sludge, base treatment sludge and ultrasonic sludge from simulated wastewater by anaerobic sewage were investigated. The substrate containing glucose was treated with anaerobic heat treatment sewage sludge. The biohydrogen was produced through anaerobic hydrogen fermentation.

试验研究了酸处理、碱处理、热处理、超声波预处理厌氧污泥发酵产氢的产氢量，选择产氢量最高的热预处理后的污泥作为混合微生物系，以葡萄糖为基质，研究了温度、pH值、底物浓度对厌氧污泥发酵产氢量的影响。

In December 2001, China's Qinghua University in Beijing researched and developed a supersonic and microwave mini-motor. It is cylinder-shaped, 1 mm in diameter and 4 mm in length. It is as little as a grain.

2001年12月，中国清华大学研究制成一台直径1毫米、长4毫米圆柱体状的小&米粒&般大小的超声微波马达：它具有小米粒大小的机身、头发丝粗细的转轴和超声波微马达。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新