zj2635 2009/11/14
这句话可以这样翻译:将2g粒径为2-5mm的二氧化硅粉末加入50mL浓度为0.01mol二茂铁对二甲苯溶液中,然后,在保持常温常压条件下,将该样品溶液放入超声波发生器中进行超生消解20分钟。超生发生器的功率为200瓦,具有1/2英寸用钛封端的传感器。使用的振动频率为脉冲调节器满刻度的65%。..... 关于超声波传感器的进一步信息可参阅: http://www.saxmcu.com/chao.htm
Surly
第3楼2009/11/13
2 g of silica powder (diameters of 2-5 mm) was addedto 0.01 mol % ferrocene-dissolved p-xylene solution (50 mL).The solution was then sonicated by a 1/2-in. titanium tip 200-W probe pulsed 65% at atmospheric pressure and room temperature for 20min. After filtration to remove the silica powder by using HF solution, fiberlike structures remained on the filter membrane as shown in Figure 2a. This morphology is similar to purified SWCNT bundles produced by the laser ablation method.
就是这么一段话。