n.雷根

Ford, who was born on July 14, 1913, in Omaha, Nebraska, has been alive for 93 years and 121 days, one day more than Reagen, who was 93 years, 120 days,when died June 5, 2004. 福特總統(tǒng)于1913年7月14日出生在內(nèi)布拉斯加的奧馬哈市，他在上周日這天滿93歲零121天，而里根總統(tǒng)2004年6月5日逝世時剛93歲零120天。

Degradation of chlorophenol (4-CP) by Fenton reagen improving dual-low frequency ultrasound technology[J].Journal of Zhejiang University (Engineering Science),2004,38(1):114-119. Fenton試劑強化雙低頻超聲降解對氯苯酚的研究[J].

American - Americans of every race and reagen region and station - who came here beacuse because you believe in what this country can be and because you want us to help us get there. 你們來到這里，因為你們相信這個國家會變得更好，而且你們愿意幫助我們使他變得更好。”

In orde to dea with the 3 major issues related to water quality, i. e. corroin, blockage and scale, a rational use of reagen is suggested.Additionally, the prospects of waste water cont... 通過合理使用化學(xué)試劑，解決了影響水質(zhì)的腐蝕、堵塞和結(jié)垢3大問題。

XU Hai-yan,LIU Ya-fei,TANG Wen-wei,et al.Study on the treatment for coking plant wastewater with ultrasonic,electrolysis and Fenton's reagen[ J ].Industrial Water Treatment,2004,24(2):43-45. [5]許海燕

n.試藥；試劑

試劑