超声波

After collecting the bacterial cells and breaking the cell by means of ultrasonic, the inclusion bodieswere extracted. The extracted products were denatured with 8 mol/L urea and purified through Ni-NTAcolumn. The purified products were renatured by dialyzation, and then were analyzed by SDS-PAGE.

在优化条件下诱导重组菌表达，收集菌体经超声波破碎和裂解后提取不溶性包涵体，以8mol／L尿素处理包涵体提取物并进行Ni-NTA亲和层析纯化，纯化表达产物经透析复性后以SDS-PAGE分析其复性效果。

In the air samples ,di(2-ethylhexy) phthalate,di-n-butyl phthalate and dioctyl phthalate were included,while diethyl phthalate,di(2-ethylhexy) phthalate,dipropyl phthalate,butyl benzyl phthalate,dioctyl phtha...

大气环境样品中邻苯二甲酸酯类化合物的预处理主要采用的是索氏提取、溶液提取和填充柱分离；水环境样品中采用的前处理技术较多，但大多数都是萃取技术；底质和生物试样目前用的较多是微波萃取、超声波萃取和索氏提取。

Comprehensive security system includes remote central locking and driveaway locking, ultrasonic intrusion sensing, radio frequency remote control and engine immobiliser Thatcham 1 approved

全面的安全系统包括遥控中央锁，驶离锁定，超声波入侵传感，射频遥控器和发动机锁止

This paper investigated the ultrasonic test on the weld ed strength of Aluminum-steel compound material formed by dynamistic welding. Its strength used to be tested by destructive "mechanics performance test".

对于爆破焊接成型的铝-钢复合材料，其强度测试过去主要依赖于破坏性的&力学性能测试&，现在采用超声波检测其焊接强度，文中对此进行了探讨。

The process of extraction of antimicrobial substance from Eleocharis tuberose peel with ultrasonic were studied; the properties of antibacterial substances were studied; antibacterial substances was isolated by TLC and silica gel colum chromatography, and the structure of antibacterial substances were identified useing liquid chromatograph mass spectrometer.

包括：采用超声波法提取荸荠皮抑菌物质并获得最佳工艺条件；研究了荸荠皮提取物的稳定性及其对多种菌的抑制作用；通过薄层层析和硅胶柱层析对抑菌物质分离纯化后对抑菌成分进行了初步的结构鉴定。

Under ultrasonic extraction, comparing the ratio of total alkaloid with 95% ethanal, hloroform, methanol.

用超声波提取法比较了以95%乙醇、氯仿、甲醇为溶剂的提取率，结果依次为1.21%、1.57%、1.54%。

At the same time, it does not change the structure of the extracted object.

并对超声波萃取分离技术的特点及发展前景进行了探讨。

Your doctor may do an ultrasound to look at your fallopian tubes.

医生可能做超声波检查看看你的输卵管。

Based on the results, the outputpower, input power and mechanical efficiency were calculated, just as theexperimental data, all of which show that the bacterial flagellar motor is a highefficient micro motor of microorganisms.

通过对宏观的超声波电机的研究，仿真得出了鞭毛电机转速-转矩关系曲线，并基于仿真结果利用旋转动力学对输入功率、输出功率进行计算，得出了机械效率，结果表明鞭毛电机是一种效率较高的微电机。

According to organic wastewater of high consistence and difficult decomposition , a new ultrasonic focalize decomposition method is provided . In this article , the ultrasonic is used to generate micro-bubble with ultrasonic cavitation effect .

通过研究提出了一种相对经济安全高效的处理高浓度，难降解有机污水&超声聚焦裂解&新方法，即利用超声波作用使污水中的微气泡产生空化泡崩溃现象，对液体中的一些大分子物质进行超声裂解。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。